‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
ADMINISTRATION
5.
Permits for the installation of temporary connections at the street for water and sewer shall be obtained from the 
Department of Environmental Protection.
106.7 Permits with respect to
limited alteration applications.
For permits with respect to limited alteration appli-
cations refer to Sections 28
-
101.5 and 28
-
104.6, Exception 1 of the 
Administrative Code.
SECTION PC 107
CONSTRUCTION DOCUMENTS
107.1 General.
Construction documents shall comply with Article 104 of Chapter 1 of Title 28 of the 
Administrative 
Code
and other applicable provisions of this code and its referenced standards. Such construction documents shall 
be coordinated with architectural, structu
ral and means of egress plans.
107.2 Required documents.
The applicant shall submit all of the documents specified in Sections 107.3 through 
107.10 as appropriate to the nature and extent of the work proposed. Construction documents shall indicate the 
plum
bing work to be performed, so drawn as to conform to the architectural and structural aspects of the building 
and to show in detail compliance with this code.
107.2.1 Composite plans.
Composite plans showing compliance of architectural, structural, and mec
hanical 
parts of a building may be submitted provided that a clear understanding of each part is not impaired.
107.3 Lot diagram.
The lot diagram shall be provided where applicable to the work proposed, including but not 
limited to, street connection locat
ions and increases of impervious surfaces.
‡‡‡
107.4 Building classification statement.
Where applicable to the proposed work, the statement shall identify:
1.
The occupancy group or groups that apply to parts of the building in accordance with Section 302 of the 
New 
York City Building Code
;
2.
The occupancy group of the main use or dominant occupancy of the building;
3.
The construction type of the building in accordance with Section 602 of the 
New York City Building Code
;
4.
The structure category in accordance with Table 1604.5 of the 
New York
City Building Code
;
5.
The height of the building as defined in Section 202 of the 
New York City Building Code
;
6.
The applicable measurements to the highest and lowest level of Fire Department access; 
7.
Whether the building is inside or outside of the 
fire districts; and
8.
Whether the building is inside or outside a flood hazard area as such term is defined in 
Chapter 2
of the 
New 
York City Building Code
.
‡‡‡
107.5 Plumbing plans.
Construction documents for plumbing work shall contain plans which includ
e the fol-
lowing data and information. Such plans shall not be required in connection with applications for limited plumbing 
alterations.
1.
Riser diagrams showing the story heights, all plumbing fixtures with diagrammatic arrangement of their con-
nections t
o soil, waste, and vent piping, all soil, waste, and vent stacks from the point of connection with the 
building drain to their termination above the roof, all leader and storm water piping from the point of connection 
with the building drain to the roof dr
ain, and all risers.
2.
Diagrammatic floor plans showing the location, layout, and spacing of all plumbing fixtures, the summation of 
plumbing loads, the size, location, and material for all building sewers and drains, and the soil, waste, vent, 
water, and
gas distribution piping.
3.
Floor plans showing typical layouts; and stack details shown on one drawing, provided that such details are 
clearly identified as to location and stack number.
4.
Plans clearly indicating all appurtenant equipment, including, b
ut not limited to, pumps, ejectors, water tanks, 
and piping.
5.
In the case of plans for new plumbing systems, and alterations of existing plumbing systems, plans indicating:
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
ADMINISTRATION
5.
Permits for the installation of temporary connections at the street for water and sewer shall be obtained from the 
Department of Environmental Protection.
106.7 Permits with respect to
limited alteration applications.
For permits with respect to limited alteration appli-
cations refer to Sections 28
-
101.5 and 28
-
104.6, Exception 1 of the 
Administrative Code.
SECTION PC 107
CONSTRUCTION DOCUMENTS
107.1 General.
Construction documents shall comply with Article 104 of Chapter 1 of Title 28 of the 
Administrative 
Code
and other applicable provisions of this code and its referenced standards. Such construction documents shall 
be coordinated with architectural, structu
ral and means of egress plans.
107.2 Required documents.
The applicant shall submit all of the documents specified in Sections 107.3 through 
107.10 as appropriate to the nature and extent of the work proposed. Construction documents shall indicate the 
plum
bing work to be performed, so drawn as to conform to the architectural and structural aspects of the building 
and to show in detail compliance with this code.
107.2.1 Composite plans.
Composite plans showing compliance of architectural, structural, and mec
hanical 
parts of a building may be submitted provided that a clear understanding of each part is not impaired.
107.3 Lot diagram.
The lot diagram shall be provided where applicable to the work proposed, including but not 
limited to, street connection locat
ions and increases of impervious surfaces.
‡‡‡
107.4 Building classification statement.
Where applicable to the proposed work, the statement shall identify:
1.
The occupancy group or groups that apply to parts of the building in accordance with Section 302 of the 
New 
York City Building Code
;
2.
The occupancy group of the main use or dominant occupancy of the building;
3.
The construction type of the building in accordance with Section 602 of the 
New York City Building Code
;
4.
The structure category in accordance with Table 1604.5 of the 
New York
City Building Code
;
5.
The height of the building as defined in Section 202 of the 
New York City Building Code
;
6.
The applicable measurements to the highest and lowest level of Fire Department access; 
7.
Whether the building is inside or outside of the 
fire districts; and
8.
Whether the building is inside or outside a flood hazard area as such term is defined in 
Chapter 2
of the 
New 
York City Building Code
.
‡‡‡
107.5 Plumbing plans.
Construction documents for plumbing work shall contain plans which includ
e the fol-
lowing data and information. Such plans shall not be required in connection with applications for limited plumbing 
alterations.
1.
Riser diagrams showing the story heights, all plumbing fixtures with diagrammatic arrangement of their con-
nections t
o soil, waste, and vent piping, all soil, waste, and vent stacks from the point of connection with the 
building drain to their termination above the roof, all leader and storm water piping from the point of connection 
with the building drain to the roof dr
ain, and all risers.
2.
Diagrammatic floor plans showing the location, layout, and spacing of all plumbing fixtures, the summation of 
plumbing loads, the size, location, and material for all building sewers and drains, and the soil, waste, vent, 
water, and
gas distribution piping.
3.
Floor plans showing typical layouts; and stack details shown on one drawing, provided that such details are 
clearly identified as to location and stack number.
4.
Plans clearly indicating all appurtenant equipment, including, b
ut not limited to, pumps, ejectors, water tanks, 
and piping.
5.
In the case of plans for new plumbing systems, and alterations of existing plumbing systems, plans indicating:
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
ADMINISTRATION
5.
Permits for the installation of temporary connections at the street for water and sewer shall be obtained from the 
Department of Environmental Protection.
106.7 Permits with respect to
limited alteration applications.
For permits with respect to limited alteration appli-
cations refer to Sections 28
-
101.5 and 28
-
104.6, Exception 1 of the 
Administrative Code.
SECTION PC 107
CONSTRUCTION DOCUMENTS
107.1 General.
Construction documents shall comply with Article 104 of Chapter 1 of Title 28 of the 
Administrative 
Code
and other applicable provisions of this code and its referenced standards. Such construction documents shall 
be coordinated with architectural, structu
ral and means of egress plans.
107.2 Required documents.
The applicant shall submit all of the documents specified in Sections 107.3 through 
107.10 as appropriate to the nature and extent of the work proposed. Construction documents shall indicate the 
plum
bing work to be performed, so drawn as to conform to the architectural and structural aspects of the building 
and to show in detail compliance with this code.
107.2.1 Composite plans.
Composite plans showing compliance of architectural, structural, and mec
hanical 
parts of a building may be submitted provided that a clear understanding of each part is not impaired.
107.3 Lot diagram.
The lot diagram shall be provided where applicable to the work proposed, including but not 
limited to, street connection locat
ions and increases of impervious surfaces.
‡‡‡
107.4 Building classification statement.
Where applicable to the proposed work, the statement shall identify:
1.
The occupancy group or groups that apply to parts of the building in accordance with Section 302 of the 
New 
York City Building Code
;
2.
The occupancy group of the main use or dominant occupancy of the building;
3.
The construction type of the building in accordance with Section 602 of the 
New York City Building Code
;
4.
The structure category in accordance with Table 1604.5 of the 
New York
City Building Code
;
5.
The height of the building as defined in Section 202 of the 
New York City Building Code
;
6.
The applicable measurements to the highest and lowest level of Fire Department access; 
7.
Whether the building is inside or outside of the 
fire districts; and
8.
Whether the building is inside or outside a flood hazard area as such term is defined in 
Chapter 2
of the 
New 
York City Building Code
.
‡‡‡
107.5 Plumbing plans.
Construction documents for plumbing work shall contain plans which includ
e the fol-
lowing data and information. Such plans shall not be required in connection with applications for limited plumbing 
alterations.
1.
Riser diagrams showing the story heights, all plumbing fixtures with diagrammatic arrangement of their con-
nections t
o soil, waste, and vent piping, all soil, waste, and vent stacks from the point of connection with the 
building drain to their termination above the roof, all leader and storm water piping from the point of connection 
with the building drain to the roof dr
ain, and all risers.
2.
Diagrammatic floor plans showing the location, layout, and spacing of all plumbing fixtures, the summation of 
plumbing loads, the size, location, and material for all building sewers and drains, and the soil, waste, vent, 
water, and
gas distribution piping.
3.
Floor plans showing typical layouts; and stack details shown on one drawing, provided that such details are 
clearly identified as to location and stack number.
4.
Plans clearly indicating all appurtenant equipment, including, b
ut not limited to, pumps, ejectors, water tanks, 
and piping.
5.
In the case of plans for new plumbing systems, and alterations of existing plumbing systems, plans indicating:
ADMINISTRATION
5.1.
The relative elevation of the lowest fixture referred to the city datum prov
ided in Section 28
-
104.7.6 of the 
Administrative Code
and the approximate inside top of the public sewers;
5.2.
The number, size, and location of all proposed sewer connections and relative location and size of all water 
mains, leaders, and risers; and
5.3
.
A statement from the Department of Environmental Protection, giving the minimum water pressure in the 
main serving the building.
6.
Seismic protection and restraint details for piping and equipment as required by Chapter 16 of the 
New York City 
Building 
Code
.
7.
Details showing structural supports for water tanks where required.
8.
In flood hazard areas, construction documents shall comply with Appendix G of the 
New York City Building 
Code
.
107.6 
Discharge of sewage and discharge and/or management of stor
mwater runoff.
Applications for construc-
tion document approval shall comply with Sections 107.6.1, 107.6.2 and 107.6.3.
107.6.1 Sewage.
Applications for construction document approval shall include submittal documents relating to 
the availability and feasibility of a public sanitary or public combined sewer and/or other approved discharge for 
sewage in accordance with Sections 107.6.1.1 a
nd 107.6.1.2 for the following types of applications:
1.
New buildings that include any fixtures that produce sewage;
2.
Alterations that require an increase in size to an existing sanitary or combined sewer connection; and/or
3.
Alterations requiring a ne
w connection to a sanitary or combined sewer.
107.6.1.1 Connection feasible and available.
Where a public sanitary or combined sewer availability is certi-
fied by the Department of Environmental Protection or certified by an applicant in accordance with rul
es of such 
department and connection thereto feasible, the applicant shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a pu
blic sanitary or combined sewer 
is available and connection thereto is feasible. Applications for such certification shall be made to the 
Department of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “
house/site connection proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such dep
artment on part or all of the sewage 
to be disposed of with an on
-
site disposal system or with the use of an alternative disposal system; or
2.
Applicant certification of availability and feasibility.
A certification submitted by the applicant to the 
Depar
tment of Environmental Protection in accordance with the rules of such department that a public 
sanitary or combined sewer is available and connection thereto is feasible, in such cases where the avail-
ability and feasibility of connection to a public sanit
ary or combined sewer are allowed to be certified by 
the applicant pursuant to such rules. Such certification shall be on forms specified by such department 
(Department of Environmental Protection “house/site connection proposal application” or other form 
as 
specified in the rules
of such department).
107.6.1.2 Connection not feasible or not available.
Where a public sanitary or combined sewer is not available, 
or where connection thereto is not feasible, the applicant shall submit:
1.
Department of Environmental Protection or applicant certification of unavailability or non
-
feasi-
bility.
(i) A certifica
tion issued by the Department of Environmental Protection that a public sanitary or 
combined sewer is not available or that connection to an available sewer is not feasible. Such certification 
shall be on forms specified by such department (Department of E
nvironmental Protection “house/site con-
nection proposal application” or other form as specified in the rules of such department) or (ii) A certifi-
cation submitted by the applicant to the Department of Environmental Protection that a public sanitary or 
comb
ined sewer is not available or that connection thereto is not feasible, in such cases where the availa-
bility and feasibility of connection to a public sanitary or combined sewer are allowed to be certified by 
the applicant pursuant to the rules of such dep
artment. Such certification shall be on forms specified by 
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
ADMINISTRATION
5.
Permits for the installation of temporary connections at the street for water and sewer shall be obtained from the 
Department of Environmental Protection.
106.7 Permits with respect to
limited alteration applications.
For permits with respect to limited alteration appli-
cations refer to Sections 28
-
101.5 and 28
-
104.6, Exception 1 of the 
Administrative Code.
SECTION PC 107
CONSTRUCTION DOCUMENTS
107.1 General.
Construction documents shall comply with Article 104 of Chapter 1 of Title 28 of the 
Administrative 
Code
and other applicable provisions of this code and its referenced standards. Such construction documents shall 
be coordinated with architectural, structu
ral and means of egress plans.
107.2 Required documents.
The applicant shall submit all of the documents specified in Sections 107.3 through 
107.10 as appropriate to the nature and extent of the work proposed. Construction documents shall indicate the 
plum
bing work to be performed, so drawn as to conform to the architectural and structural aspects of the building 
and to show in detail compliance with this code.
107.2.1 Composite plans.
Composite plans showing compliance of architectural, structural, and mec
hanical 
parts of a building may be submitted provided that a clear understanding of each part is not impaired.
107.3 Lot diagram.
The lot diagram shall be provided where applicable to the work proposed, including but not 
limited to, street connection locat
ions and increases of impervious surfaces.
‡‡‡
107.4 Building classification statement.
Where applicable to the proposed work, the statement shall identify:
1.
The occupancy group or groups that apply to parts of the building in accordance with Section 302 of the 
New 
York City Building Code
;
2.
The occupancy group of the main use or dominant occupancy of the building;
3.
The construction type of the building in accordance with Section 602 of the 
New York City Building Code
;
4.
The structure category in accordance with Table 1604.5 of the 
New York
City Building Code
;
5.
The height of the building as defined in Section 202 of the 
New York City Building Code
;
6.
The applicable measurements to the highest and lowest level of Fire Department access; 
7.
Whether the building is inside or outside of the 
fire districts; and
8.
Whether the building is inside or outside a flood hazard area as such term is defined in 
Chapter 2
of the 
New 
York City Building Code
.
‡‡‡
107.5 Plumbing plans.
Construction documents for plumbing work shall contain plans which includ
e the fol-
lowing data and information. Such plans shall not be required in connection with applications for limited plumbing 
alterations.
1.
Riser diagrams showing the story heights, all plumbing fixtures with diagrammatic arrangement of their con-
nections t
o soil, waste, and vent piping, all soil, waste, and vent stacks from the point of connection with the 
building drain to their termination above the roof, all leader and storm water piping from the point of connection 
with the building drain to the roof dr
ain, and all risers.
2.
Diagrammatic floor plans showing the location, layout, and spacing of all plumbing fixtures, the summation of 
plumbing loads, the size, location, and material for all building sewers and drains, and the soil, waste, vent, 
water, and
gas distribution piping.
3.
Floor plans showing typical layouts; and stack details shown on one drawing, provided that such details are 
clearly identified as to location and stack number.
4.
Plans clearly indicating all appurtenant equipment, including, b
ut not limited to, pumps, ejectors, water tanks, 
and piping.
5.
In the case of plans for new plumbing systems, and alterations of existing plumbing systems, plans indicating:
ADMINISTRATION
5.1.
The relative elevation of the lowest fixture referred to the city datum prov
ided in Section 28
-
104.7.6 of the 
Administrative Code
and the approximate inside top of the public sewers;
5.2.
The number, size, and location of all proposed sewer connections and relative location and size of all water 
mains, leaders, and risers; and
5.3
.
A statement from the Department of Environmental Protection, giving the minimum water pressure in the 
main serving the building.
6.
Seismic protection and restraint details for piping and equipment as required by Chapter 16 of the 
New York City 
Building 
Code
.
7.
Details showing structural supports for water tanks where required.
8.
In flood hazard areas, construction documents shall comply with Appendix G of the 
New York City Building 
Code
.
107.6 
Discharge of sewage and discharge and/or management of stor
mwater runoff.
Applications for construc-
tion document approval shall comply with Sections 107.6.1, 107.6.2 and 107.6.3.
107.6.1 Sewage.
Applications for construction document approval shall include submittal documents relating to 
the availability and feasibility of a public sanitary or public combined sewer and/or other approved discharge for 
sewage in accordance with Sections 107.6.1.1 a
nd 107.6.1.2 for the following types of applications:
1.
New buildings that include any fixtures that produce sewage;
2.
Alterations that require an increase in size to an existing sanitary or combined sewer connection; and/or
3.
Alterations requiring a ne
w connection to a sanitary or combined sewer.
107.6.1.1 Connection feasible and available.
Where a public sanitary or combined sewer availability is certi-
fied by the Department of Environmental Protection or certified by an applicant in accordance with rul
es of such 
department and connection thereto feasible, the applicant shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a pu
blic sanitary or combined sewer 
is available and connection thereto is feasible. Applications for such certification shall be made to the 
Department of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “
house/site connection proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such dep
artment on part or all of the sewage 
to be disposed of with an on
-
site disposal system or with the use of an alternative disposal system; or
2.
Applicant certification of availability and feasibility.
A certification submitted by the applicant to the 
Depar
tment of Environmental Protection in accordance with the rules of such department that a public 
sanitary or combined sewer is available and connection thereto is feasible, in such cases where the avail-
ability and feasibility of connection to a public sanit
ary or combined sewer are allowed to be certified by 
the applicant pursuant to such rules. Such certification shall be on forms specified by such department 
(Department of Environmental Protection “house/site connection proposal application” or other form 
as 
specified in the rules
of such department).
107.6.1.2 Connection not feasible or not available.
Where a public sanitary or combined sewer is not available, 
or where connection thereto is not feasible, the applicant shall submit:
1.
Department of Environmental Protection or applicant certification of unavailability or non
-
feasi-
bility.
(i) A certifica
tion issued by the Department of Environmental Protection that a public sanitary or 
combined sewer is not available or that connection to an available sewer is not feasible. Such certification 
shall be on forms specified by such department (Department of E
nvironmental Protection “house/site con-
nection proposal application” or other form as specified in the rules of such department) or (ii) A certifi-
cation submitted by the applicant to the Department of Environmental Protection that a public sanitary or 
comb
ined sewer is not available or that connection thereto is not feasible, in such cases where the availa-
bility and feasibility of connection to a public sanitary or combined sewer are allowed to be certified by 
the applicant pursuant to the rules of such dep
artment. Such certification shall be on forms specified by 
ADMINISTRATION
such department (Department of Environmental Protection “house/site connection proposal application” 
or other form as specified in the rules of such department); and
2.
On
-
site disposal.
A proposal
for the design and construction of a system for the on
-
site disposal of sewage 
conforming to the provisions of this code and other applicable laws and rules including but not limited to 
minimum required distances from lot lines or structures and subsoil c
onditions. Construction documents 
for such system shall be subject to the approval of the department.
107.6.2 Stormwater.
Applications for construction document approval shall include submittal documents relating 
to the availability and feasibility of a pu
blic combined or storm sewer or other approved method for stormwater 
discharge in accordance with Sections 107.6.2.1 and 107.6.2.2 for the following types of applications:
1.
New buildings;
2.
Alterations of buildings proposing horizontal building enlargem
ent; and/or
3.
Alterations that increase impervious surfaces on the tax lot.
Exceptions:
1.
Applications for construction document approval for the alteration of an existing one
-
or two
-
family 
dwelling need not include such submittal documents, where the f
ootprint of a proposed horizontal 
building enlargement and any proposed increase in impervious surfaces combined is less than or equal 
to 200 square feet (19 m
2
). Construction documents shall include the amount of proposed increase in 
impervious area.
1.1.
This exception shall not apply if the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and any other en-
largement or increase in impervious surface made on the same t
ax lot after July 1, 2008 together 
exceed 200 square feet (19 m
2
).
2.
Applications for construction document approval for the alteration of a building need not include such 
submittal documents, where the increase in area of the footprint resulting from a p
roposed horizontal 
building enlargement and any proposed increase in impervious surfaces on a lot combined is less than 
or equal to 1,000 square feet (93 m
2
), and on
-
site disposal of stormwater conforming to the provisions 
of the applicable laws and rules 
as determined by the department is proposed for such enlargement 
and/or increase in impervious surface. Construction documents shall include the amount of proposed 
increase in impervious area.
2.1.
This exception shall not apply where on
-
site disposal cann
ot be designed to conform to the provi-
sions of the applicable laws and rules including but not limited to minimum required distances 
from lot lines or structures or subsoil conditions as determined by the department.
2.2.
This exception shall not apply if 
the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and all other enlarge-
ments or increases in impervious surface made on the same tax lot after July 1, 2008 togethe
r 
exceed 1,000 square feet (93 m
2
).
107.6.2.1 Connection feasible and available.
Where a public combined or storm sewer availability is certified 
by the Department of Environmental Protection or certified by an applicant in accordance with rules of such 
de
partment and connection thereto is feasible, applicants shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a public storm or
combined sewer is 
available and connection thereto is feasible. Applications for such certification shall be made to the De-
partment of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “house/site conne
ction proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such department on part 
or all of the storm-
water runoff to be disposed of through an on
-
site detention or retention system, or by use of alternative 
disposal methods including but not limited to ditches, swales or watercourses; or
2.
Applicant certification of availability and fe
asibility. 
A certification submitted by the applicant to the 
Department of Environmental Protection in accordance with the rules of such department that a public 
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
ADMINISTRATION
5.
Permits for the installation of temporary connections at the street for water and sewer shall be obtained from the 
Department of Environmental Protection.
106.7 Permits with respect to
limited alteration applications.
For permits with respect to limited alteration appli-
cations refer to Sections 28
-
101.5 and 28
-
104.6, Exception 1 of the 
Administrative Code.
SECTION PC 107
CONSTRUCTION DOCUMENTS
107.1 General.
Construction documents shall comply with Article 104 of Chapter 1 of Title 28 of the 
Administrative 
Code
and other applicable provisions of this code and its referenced standards. Such construction documents shall 
be coordinated with architectural, structu
ral and means of egress plans.
107.2 Required documents.
The applicant shall submit all of the documents specified in Sections 107.3 through 
107.10 as appropriate to the nature and extent of the work proposed. Construction documents shall indicate the 
plum
bing work to be performed, so drawn as to conform to the architectural and structural aspects of the building 
and to show in detail compliance with this code.
107.2.1 Composite plans.
Composite plans showing compliance of architectural, structural, and mec
hanical 
parts of a building may be submitted provided that a clear understanding of each part is not impaired.
107.3 Lot diagram.
The lot diagram shall be provided where applicable to the work proposed, including but not 
limited to, street connection locat
ions and increases of impervious surfaces.
‡‡‡
107.4 Building classification statement.
Where applicable to the proposed work, the statement shall identify:
1.
The occupancy group or groups that apply to parts of the building in accordance with Section 302 of the 
New 
York City Building Code
;
2.
The occupancy group of the main use or dominant occupancy of the building;
3.
The construction type of the building in accordance with Section 602 of the 
New York City Building Code
;
4.
The structure category in accordance with Table 1604.5 of the 
New York
City Building Code
;
5.
The height of the building as defined in Section 202 of the 
New York City Building Code
;
6.
The applicable measurements to the highest and lowest level of Fire Department access; 
7.
Whether the building is inside or outside of the 
fire districts; and
8.
Whether the building is inside or outside a flood hazard area as such term is defined in 
Chapter 2
of the 
New 
York City Building Code
.
‡‡‡
107.5 Plumbing plans.
Construction documents for plumbing work shall contain plans which includ
e the fol-
lowing data and information. Such plans shall not be required in connection with applications for limited plumbing 
alterations.
1.
Riser diagrams showing the story heights, all plumbing fixtures with diagrammatic arrangement of their con-
nections t
o soil, waste, and vent piping, all soil, waste, and vent stacks from the point of connection with the 
building drain to their termination above the roof, all leader and storm water piping from the point of connection 
with the building drain to the roof dr
ain, and all risers.
2.
Diagrammatic floor plans showing the location, layout, and spacing of all plumbing fixtures, the summation of 
plumbing loads, the size, location, and material for all building sewers and drains, and the soil, waste, vent, 
water, and
gas distribution piping.
3.
Floor plans showing typical layouts; and stack details shown on one drawing, provided that such details are 
clearly identified as to location and stack number.
4.
Plans clearly indicating all appurtenant equipment, including, b
ut not limited to, pumps, ejectors, water tanks, 
and piping.
5.
In the case of plans for new plumbing systems, and alterations of existing plumbing systems, plans indicating:
ADMINISTRATION
5.1.
The relative elevation of the lowest fixture referred to the city datum prov
ided in Section 28
-
104.7.6 of the 
Administrative Code
and the approximate inside top of the public sewers;
5.2.
The number, size, and location of all proposed sewer connections and relative location and size of all water 
mains, leaders, and risers; and
5.3
.
A statement from the Department of Environmental Protection, giving the minimum water pressure in the 
main serving the building.
6.
Seismic protection and restraint details for piping and equipment as required by Chapter 16 of the 
New York City 
Building 
Code
.
7.
Details showing structural supports for water tanks where required.
8.
In flood hazard areas, construction documents shall comply with Appendix G of the 
New York City Building 
Code
.
107.6 
Discharge of sewage and discharge and/or management of stor
mwater runoff.
Applications for construc-
tion document approval shall comply with Sections 107.6.1, 107.6.2 and 107.6.3.
107.6.1 Sewage.
Applications for construction document approval shall include submittal documents relating to 
the availability and feasibility of a public sanitary or public combined sewer and/or other approved discharge for 
sewage in accordance with Sections 107.6.1.1 a
nd 107.6.1.2 for the following types of applications:
1.
New buildings that include any fixtures that produce sewage;
2.
Alterations that require an increase in size to an existing sanitary or combined sewer connection; and/or
3.
Alterations requiring a ne
w connection to a sanitary or combined sewer.
107.6.1.1 Connection feasible and available.
Where a public sanitary or combined sewer availability is certi-
fied by the Department of Environmental Protection or certified by an applicant in accordance with rul
es of such 
department and connection thereto feasible, the applicant shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a pu
blic sanitary or combined sewer 
is available and connection thereto is feasible. Applications for such certification shall be made to the 
Department of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “
house/site connection proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such dep
artment on part or all of the sewage 
to be disposed of with an on
-
site disposal system or with the use of an alternative disposal system; or
2.
Applicant certification of availability and feasibility.
A certification submitted by the applicant to the 
Depar
tment of Environmental Protection in accordance with the rules of such department that a public 
sanitary or combined sewer is available and connection thereto is feasible, in such cases where the avail-
ability and feasibility of connection to a public sanit
ary or combined sewer are allowed to be certified by 
the applicant pursuant to such rules. Such certification shall be on forms specified by such department 
(Department of Environmental Protection “house/site connection proposal application” or other form 
as 
specified in the rules
of such department).
107.6.1.2 Connection not feasible or not available.
Where a public sanitary or combined sewer is not available, 
or where connection thereto is not feasible, the applicant shall submit:
1.
Department of Environmental Protection or applicant certification of unavailability or non
-
feasi-
bility.
(i) A certifica
tion issued by the Department of Environmental Protection that a public sanitary or 
combined sewer is not available or that connection to an available sewer is not feasible. Such certification 
shall be on forms specified by such department (Department of E
nvironmental Protection “house/site con-
nection proposal application” or other form as specified in the rules of such department) or (ii) A certifi-
cation submitted by the applicant to the Department of Environmental Protection that a public sanitary or 
comb
ined sewer is not available or that connection thereto is not feasible, in such cases where the availa-
bility and feasibility of connection to a public sanitary or combined sewer are allowed to be certified by 
the applicant pursuant to the rules of such dep
artment. Such certification shall be on forms specified by 
ADMINISTRATION
such department (Department of Environmental Protection “house/site connection proposal application” 
or other form as specified in the rules of such department); and
2.
On
-
site disposal.
A proposal
for the design and construction of a system for the on
-
site disposal of sewage 
conforming to the provisions of this code and other applicable laws and rules including but not limited to 
minimum required distances from lot lines or structures and subsoil c
onditions. Construction documents 
for such system shall be subject to the approval of the department.
107.6.2 Stormwater.
Applications for construction document approval shall include submittal documents relating 
to the availability and feasibility of a pu
blic combined or storm sewer or other approved method for stormwater 
discharge in accordance with Sections 107.6.2.1 and 107.6.2.2 for the following types of applications:
1.
New buildings;
2.
Alterations of buildings proposing horizontal building enlargem
ent; and/or
3.
Alterations that increase impervious surfaces on the tax lot.
Exceptions:
1.
Applications for construction document approval for the alteration of an existing one
-
or two
-
family 
dwelling need not include such submittal documents, where the f
ootprint of a proposed horizontal 
building enlargement and any proposed increase in impervious surfaces combined is less than or equal 
to 200 square feet (19 m
2
). Construction documents shall include the amount of proposed increase in 
impervious area.
1.1.
This exception shall not apply if the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and any other en-
largement or increase in impervious surface made on the same t
ax lot after July 1, 2008 together 
exceed 200 square feet (19 m
2
).
2.
Applications for construction document approval for the alteration of a building need not include such 
submittal documents, where the increase in area of the footprint resulting from a p
roposed horizontal 
building enlargement and any proposed increase in impervious surfaces on a lot combined is less than 
or equal to 1,000 square feet (93 m
2
), and on
-
site disposal of stormwater conforming to the provisions 
of the applicable laws and rules 
as determined by the department is proposed for such enlargement 
and/or increase in impervious surface. Construction documents shall include the amount of proposed 
increase in impervious area.
2.1.
This exception shall not apply where on
-
site disposal cann
ot be designed to conform to the provi-
sions of the applicable laws and rules including but not limited to minimum required distances 
from lot lines or structures or subsoil conditions as determined by the department.
2.2.
This exception shall not apply if 
the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and all other enlarge-
ments or increases in impervious surface made on the same tax lot after July 1, 2008 togethe
r 
exceed 1,000 square feet (93 m
2
).
107.6.2.1 Connection feasible and available.
Where a public combined or storm sewer availability is certified 
by the Department of Environmental Protection or certified by an applicant in accordance with rules of such 
de
partment and connection thereto is feasible, applicants shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a public storm or
combined sewer is 
available and connection thereto is feasible. Applications for such certification shall be made to the De-
partment of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “house/site conne
ction proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such department on part 
or all of the storm-
water runoff to be disposed of through an on
-
site detention or retention system, or by use of alternative 
disposal methods including but not limited to ditches, swales or watercourses; or
2.
Applicant certification of availability and fe
asibility. 
A certification submitted by the applicant to the 
Department of Environmental Protection in accordance with the rules of such department that a public 
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
ADMINISTRATION
5.
Permits for the installation of temporary connections at the street for water and sewer shall be obtained from the 
Department of Environmental Protection.
106.7 Permits with respect to
limited alteration applications.
For permits with respect to limited alteration appli-
cations refer to Sections 28
-
101.5 and 28
-
104.6, Exception 1 of the 
Administrative Code.
SECTION PC 107
CONSTRUCTION DOCUMENTS
107.1 General.
Construction documents shall comply with Article 104 of Chapter 1 of Title 28 of the 
Administrative 
Code
and other applicable provisions of this code and its referenced standards. Such construction documents shall 
be coordinated with architectural, structu
ral and means of egress plans.
107.2 Required documents.
The applicant shall submit all of the documents specified in Sections 107.3 through 
107.10 as appropriate to the nature and extent of the work proposed. Construction documents shall indicate the 
plum
bing work to be performed, so drawn as to conform to the architectural and structural aspects of the building 
and to show in detail compliance with this code.
107.2.1 Composite plans.
Composite plans showing compliance of architectural, structural, and mec
hanical 
parts of a building may be submitted provided that a clear understanding of each part is not impaired.
107.3 Lot diagram.
The lot diagram shall be provided where applicable to the work proposed, including but not 
limited to, street connection locat
ions and increases of impervious surfaces.
‡‡‡
107.4 Building classification statement.
Where applicable to the proposed work, the statement shall identify:
1.
The occupancy group or groups that apply to parts of the building in accordance with Section 302 of the 
New 
York City Building Code
;
2.
The occupancy group of the main use or dominant occupancy of the building;
3.
The construction type of the building in accordance with Section 602 of the 
New York City Building Code
;
4.
The structure category in accordance with Table 1604.5 of the 
New York
City Building Code
;
5.
The height of the building as defined in Section 202 of the 
New York City Building Code
;
6.
The applicable measurements to the highest and lowest level of Fire Department access; 
7.
Whether the building is inside or outside of the 
fire districts; and
8.
Whether the building is inside or outside a flood hazard area as such term is defined in 
Chapter 2
of the 
New 
York City Building Code
.
‡‡‡
107.5 Plumbing plans.
Construction documents for plumbing work shall contain plans which includ
e the fol-
lowing data and information. Such plans shall not be required in connection with applications for limited plumbing 
alterations.
1.
Riser diagrams showing the story heights, all plumbing fixtures with diagrammatic arrangement of their con-
nections t
o soil, waste, and vent piping, all soil, waste, and vent stacks from the point of connection with the 
building drain to their termination above the roof, all leader and storm water piping from the point of connection 
with the building drain to the roof dr
ain, and all risers.
2.
Diagrammatic floor plans showing the location, layout, and spacing of all plumbing fixtures, the summation of 
plumbing loads, the size, location, and material for all building sewers and drains, and the soil, waste, vent, 
water, and
gas distribution piping.
3.
Floor plans showing typical layouts; and stack details shown on one drawing, provided that such details are 
clearly identified as to location and stack number.
4.
Plans clearly indicating all appurtenant equipment, including, b
ut not limited to, pumps, ejectors, water tanks, 
and piping.
5.
In the case of plans for new plumbing systems, and alterations of existing plumbing systems, plans indicating:
ADMINISTRATION
5.1.
The relative elevation of the lowest fixture referred to the city datum prov
ided in Section 28
-
104.7.6 of the 
Administrative Code
and the approximate inside top of the public sewers;
5.2.
The number, size, and location of all proposed sewer connections and relative location and size of all water 
mains, leaders, and risers; and
5.3
.
A statement from the Department of Environmental Protection, giving the minimum water pressure in the 
main serving the building.
6.
Seismic protection and restraint details for piping and equipment as required by Chapter 16 of the 
New York City 
Building 
Code
.
7.
Details showing structural supports for water tanks where required.
8.
In flood hazard areas, construction documents shall comply with Appendix G of the 
New York City Building 
Code
.
107.6 
Discharge of sewage and discharge and/or management of stor
mwater runoff.
Applications for construc-
tion document approval shall comply with Sections 107.6.1, 107.6.2 and 107.6.3.
107.6.1 Sewage.
Applications for construction document approval shall include submittal documents relating to 
the availability and feasibility of a public sanitary or public combined sewer and/or other approved discharge for 
sewage in accordance with Sections 107.6.1.1 a
nd 107.6.1.2 for the following types of applications:
1.
New buildings that include any fixtures that produce sewage;
2.
Alterations that require an increase in size to an existing sanitary or combined sewer connection; and/or
3.
Alterations requiring a ne
w connection to a sanitary or combined sewer.
107.6.1.1 Connection feasible and available.
Where a public sanitary or combined sewer availability is certi-
fied by the Department of Environmental Protection or certified by an applicant in accordance with rul
es of such 
department and connection thereto feasible, the applicant shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a pu
blic sanitary or combined sewer 
is available and connection thereto is feasible. Applications for such certification shall be made to the 
Department of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “
house/site connection proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such dep
artment on part or all of the sewage 
to be disposed of with an on
-
site disposal system or with the use of an alternative disposal system; or
2.
Applicant certification of availability and feasibility.
A certification submitted by the applicant to the 
Depar
tment of Environmental Protection in accordance with the rules of such department that a public 
sanitary or combined sewer is available and connection thereto is feasible, in such cases where the avail-
ability and feasibility of connection to a public sanit
ary or combined sewer are allowed to be certified by 
the applicant pursuant to such rules. Such certification shall be on forms specified by such department 
(Department of Environmental Protection “house/site connection proposal application” or other form 
as 
specified in the rules
of such department).
107.6.1.2 Connection not feasible or not available.
Where a public sanitary or combined sewer is not available, 
or where connection thereto is not feasible, the applicant shall submit:
1.
Department of Environmental Protection or applicant certification of unavailability or non
-
feasi-
bility.
(i) A certifica
tion issued by the Department of Environmental Protection that a public sanitary or 
combined sewer is not available or that connection to an available sewer is not feasible. Such certification 
shall be on forms specified by such department (Department of E
nvironmental Protection “house/site con-
nection proposal application” or other form as specified in the rules of such department) or (ii) A certifi-
cation submitted by the applicant to the Department of Environmental Protection that a public sanitary or 
comb
ined sewer is not available or that connection thereto is not feasible, in such cases where the availa-
bility and feasibility of connection to a public sanitary or combined sewer are allowed to be certified by 
the applicant pursuant to the rules of such dep
artment. Such certification shall be on forms specified by 
ADMINISTRATION
such department (Department of Environmental Protection “house/site connection proposal application” 
or other form as specified in the rules of such department); and
2.
On
-
site disposal.
A proposal
for the design and construction of a system for the on
-
site disposal of sewage 
conforming to the provisions of this code and other applicable laws and rules including but not limited to 
minimum required distances from lot lines or structures and subsoil c
onditions. Construction documents 
for such system shall be subject to the approval of the department.
107.6.2 Stormwater.
Applications for construction document approval shall include submittal documents relating 
to the availability and feasibility of a pu
blic combined or storm sewer or other approved method for stormwater 
discharge in accordance with Sections 107.6.2.1 and 107.6.2.2 for the following types of applications:
1.
New buildings;
2.
Alterations of buildings proposing horizontal building enlargem
ent; and/or
3.
Alterations that increase impervious surfaces on the tax lot.
Exceptions:
1.
Applications for construction document approval for the alteration of an existing one
-
or two
-
family 
dwelling need not include such submittal documents, where the f
ootprint of a proposed horizontal 
building enlargement and any proposed increase in impervious surfaces combined is less than or equal 
to 200 square feet (19 m
2
). Construction documents shall include the amount of proposed increase in 
impervious area.
1.1.
This exception shall not apply if the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and any other en-
largement or increase in impervious surface made on the same t
ax lot after July 1, 2008 together 
exceed 200 square feet (19 m
2
).
2.
Applications for construction document approval for the alteration of a building need not include such 
submittal documents, where the increase in area of the footprint resulting from a p
roposed horizontal 
building enlargement and any proposed increase in impervious surfaces on a lot combined is less than 
or equal to 1,000 square feet (93 m
2
), and on
-
site disposal of stormwater conforming to the provisions 
of the applicable laws and rules 
as determined by the department is proposed for such enlargement 
and/or increase in impervious surface. Construction documents shall include the amount of proposed 
increase in impervious area.
2.1.
This exception shall not apply where on
-
site disposal cann
ot be designed to conform to the provi-
sions of the applicable laws and rules including but not limited to minimum required distances 
from lot lines or structures or subsoil conditions as determined by the department.
2.2.
This exception shall not apply if 
the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and all other enlarge-
ments or increases in impervious surface made on the same tax lot after July 1, 2008 togethe
r 
exceed 1,000 square feet (93 m
2
).
107.6.2.1 Connection feasible and available.
Where a public combined or storm sewer availability is certified 
by the Department of Environmental Protection or certified by an applicant in accordance with rules of such 
de
partment and connection thereto is feasible, applicants shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a public storm or
combined sewer is 
available and connection thereto is feasible. Applications for such certification shall be made to the De-
partment of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “house/site conne
ction proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such department on part 
or all of the storm-
water runoff to be disposed of through an on
-
site detention or retention system, or by use of alternative 
disposal methods including but not limited to ditches, swales or watercourses; or
2.
Applicant certification of availability and fe
asibility. 
A certification submitted by the applicant to the 
Department of Environmental Protection in accordance with the rules of such department that a public 
ADMINISTRATION
storm or combined sewer is available and connection thereto is feasible, in such cases where t
he availa-
bility and feasibility of connection to a public storm or combined sewer are allowed to be certified by the 
applicant pursuant to such rules. Such certification shall be on forms specified by such department (De-
partment of Environmental Protection
“house/site connection proposal application” or other form as spec-
ified in the rules of such department).
107.6.2.2 Connection not feasible or not available.
Where a public combined or storm sewer is not available, 
or where connection thereto is not feasi
ble, applicants shall submit:
1.
Department of Environmental Protection or applicant certification of unavailability or non
-
feasi-
bility.
(i) Certification issued by the Department of Environmental Protection that a public storm or com-
bined sewer is not ava
ilable or that connection thereto is not feasible. Such certification shall be on forms 
specified by such department (Department of Environmental Protection “house/site connection proposal 
application” or other form as specified in the rules of such depart
ment); or (ii) Certification submitted by 
the applicant to the Department of Environmental Protection that a public storm or combined sewer is not 
available or that connection thereto is not feasible, in such cases where the availability and feasibility of
connection to a public storm or combined sewer are allowed to be certified by the applicant pursuant to 
rules of such department. Certification shall be on forms specified by such department (Department of 
Environmental Protection “house/site connection p
roposal application” or other form as specified in the 
rules of such department); and
2.
On
-
site disposal.
A proposal for the design and construction of a system for the on
-
site disposal of storm-
water conforming to the provisions of this code and other app
licable laws and rules including but not 
limited to minimum required distances from lot lines or structures and subsoil conditions. Construction 
documents for such system shall be subject to the approval of the department.
107.6.3 Post
-
construction stormwa
ter management facilities.
A post
-
construction stormwater management fa-
cility that is constructed as a part of a covered development project located within the MS4 area, shall comply with 
the rules of the Department of Environmental Protection and with thi
s code.
107.7 Private sewers.
If private sewers are to be constructed pursuant to subdivision b of Section 1403 of the New 
York City Charter, a copy of the sewer plan shall be submitted.
107.8 Private sewage treatment plant.
If a private sewage 
treatment plant is to be constructed, a copy of plans 
approved by the Department of Health and Mental Hygiene and the Department of Environmental Protection shall 
be submitted.
‡‡‡
107.9 Private stormwater or sewage disposal system.
If a private stormwater 
or sewage disposal system is to 
be installed, a site and subsoil evaluation indicating that the site and subsoil conditions comply with the applicable 
laws and rules shall be submitted in accordance with the provisions of Section 
170
5
.27
of the 
New York Ci
ty Build-
ing Code
.
107.10 Energy efficiency.
Construction documents shall include compliance documentation as required by the 
New 
York City Energy Conservation Code
.
‡‡‡
107.11 Retention of construction and submittal documents. 
Refer to Section 28
-
104.12 of the 
Administrative 
Code
.
SECTION PC 108
INSPECTIONS AND TESTING
108.1 General.
Except as otherwise specified, inspections required by this code or by the department dur
ing the 
progress of work may be performed on behalf of the owner by approved agencies or, if applicable, by special 
inspectors. However, in the interest of public safety, the commissioner may direct that any of such inspections be 
performed by the departme
nt. All inspections shall be performed at the sole cost and expense of the owner. Refer 
to Article 116 of Chapter 1 of Title 28 of the 
Administrative Code
for additional provisions relating to inspections. 
108.2 Required inspections and testing. 
In addition to any inspections otherwise required by this code or applicable 
rules, the holder of the permit shall be responsible for the scheduling of the following required inspections:
ADMINISTRATION
1.
Progress inspections:
1.1
.
Underground inspection and/or testing of installed piping, valves, fittings, support structures, anti
-
corrosion 
equipment and associated underground components shall be made before backfill is put in place. When 
excavated soil contains rocks, broken conc
rete, frozen chunks and other rubble that would damage or break 
the piping or cause corrosive action, clean backfill shall be on the job site ready for use in backfilling.
1.2.
Rough
-
in inspection and/or testing shall be made after the roof, framing, fireb
locking, firestopping, 
draftstopping and bracing is in place and all sanitary, storm and water distribution piping is roughed
-
in, and 
prior to the installation of wall or ceiling membranes.
Exception:
When new water, waste and vent piping is installed or r
eplaced and all of the piping is to be 
permanently exposed there shall be no requirement for a rough
–
in inspection.
1.3.
Inspections required by the 
New York City Energy Conservation Code
shall be made in accordance with 
the rules of the department, as app
licable.
2.
Special inspections. Special inspections shall be performed in accordance with this code and Chapter 17 of the 
New York City Building Code
, and, where applicable, Section 107.3.
3.
Final inspection shall be made after the building is complete, 
all plumbing fixtures are in place and properly 
connected, and the structure is ready for occupancy. Refer to Article 116 of Chapter 1 of Title 28 of the 
Admin-
istrative Code
for additional requirements.
108.2.1 Approved agencies.
Refer to Articles 114 and 
115 of Chapter 1 of Title 28 of the 
Administrative Code
.
108.2.2 Inspection of prefabricated construction assemblies.
Prior to the approval of a prefabricated construc-
tion assembly having concealed work and the issuance of a permit, the department shall re
quire the submittal of 
an evaluation report by an approved agency on each prefabricated construction assembly, indicating the complete 
details of the installation, including a description of the system and its components, the basis upon which the 
system is
being evaluated, test results and similar information and other data as necessary for the commissioner 
to determine conformance to this code.
108.2.2.1 Test and inspection records.
Required test and inspection records shall be available to the commis-
sione
r at all times during the fabrication of the installation and the erection of the building; or such records as 
the commissioner designates shall be filed.
108.2.3 Exposure of work.
The work shall remain accessible and exposed for inspection 
purposes. Neither the 
commissioner nor the city shall be liable for expense entailed in the removal or replacement of any material 
required to allow inspection.
108.3 Special inspections of alternative engineered design systems.
Special inspections of alte
rnative engineered 
design plumbing systems shall be conducted in accordance with Sections 108.3.1 and 108.3.2.
108.3.1 Periodic inspection.
The special inspector shall periodically inspect and observe the work being per-
formed to determine that the installa
tion is in accordance with the approved construction documents for the 
alternative engineered design. All discrepancies shall be brought to the immediate attention of the plumbing 
contractor for correction. Records shall be kept of all inspections.
108.3.2
Written report.
The 
special inspector 
shall submit a final report in writing to the commissioner upon 
completion of the installation, certifying that the alternative engineered design installation conforms to the ap-
proved construction documents.
108.4 Tes
ting.
Plumbing work and systems shall be tested as required in Section 312 and in accordance with Sec-
tions 108.4.1 through 108.4.3. Tests shall be made by the permit holder and witnessed by the department.
108.4.1 New, altered, extended or repaired systems
. 
New plumbing systems and parts of existing systems that 
have been altered, extended or repaired shall be tested as prescribed herein to disclose leaks and defects, except 
that testing is not required in the following cases:
1.
In any case that does not i
nclude addition to, replacement, alteration or relocation of any water supply, drain-
age or vent piping.
2.
In any case where plumbing equipment is set up temporarily for exhibition purposes.
‡‡‡ Chapter 1 
was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 1
ADMINISTRATION
SECTION PC 101
GENERAL
101.1 Title.
This code shall be known and may be cited as the “
New York City Plumbing Code
,” “NYCPC” or “PC.” 
All section numbers in this code shall be deemed to be preceded by the 
designation “PC.”
‡‡‡
101.2 Scope.
The provisions of this code shall apply to the erection, installation, alteration, repair, relocation, 
replacement, addition to, use or maintenance of plumbing systems. This code shall also regulate nonflammable 
medical 
an
d nonmedical 
gas, nonmedical oxygen systems and sanitary and condensate vacuum collection systems. 
The installation of fuel
-
gas distribution piping and equipment, fuel gas
-
fired water heaters, and water heater venting 
systems shall be regulated by the 
New 
York City Fuel Gas Code
. 
101.3 Intent.
The purpose of this code is to provide minimum standards to safeguard life or limb, health, property, 
public welfare and the environment by regulating and controlling the design, construction, installation, quality of
materials, location, operation and maintenance or use of plumbing systems.
101.4 Severability.
If a section, subsection, sentence, clause or phrase of this code is, for any reason, held to be 
unconstitutional, such decision shall not affect the validity of the remaining portions of this code.
SECTION PC 102
APPLICABILITY
102.1 General.
Where there is a conflict between a general requirement and a specific requirement, the specific 
requirement shall govern. Where, in any specific case, different sections of
this code specify different materials, 
methods of construction or other requirements, the most restrictive shall govern.
102.2 Existing installations.
Except as otherwise specifically provided, plumbing systems lawfully in existence on 
July 1, 2008 or on 
the effective date of a subsequent amendment of this code shall be permitted to have their use 
and maintenance continued if the use, maintenance or repair is in accordance with the original design and no hazard 
to life, health or property is created by suc
h plumbing system.
102.2.1 Existing buildings.
Additions, alterations, renovations or repairs related to building or structural issues 
shall be governed by Chapter 1 of Title 28 of the 
Administrative Code
, the 
New York City Building Code
and the 
1968 Building Code
, as applicable.
102.
2.2 References to 
the 
New York City Building Code
. 
For existing buildings, a reference to a section of the 
New York City Building Code 
in this code shall also be deemed to refer to the equivalent provision of the 
1968 
Building Code
, as applicable in accordance with Chapter 
1 of Title 28 of the 
Administrative Code
. 
102.3 Maintenance.
Installations, both existing and new, and parts thereof shall be maintained in proper operating 
condition in accordance with the original design and in a safe and sanitary condition. Devices or s
afeguards that 
are required by this code shall be maintained in compliance with the applicable provisions under which they were 
installed. 
102.3.1 Owner responsibility.
The owner or the owner’s designated agent shall be responsible for maintenance
of plum
bing systems. To determine compliance with this provision, the commissioner shall have the authority 
to require any plumbing system to be inspected.
102.4 Additions, alterations or repairs.
Additions, alterations, renovations or repairs to installations sh
all conform 
to that required for new installations without requiring the existing installation to comply with all of the require-
ments of this code. Additions, alterations or repairs shall not cause an existing installation to become unsafe, haz-
ardous or ov
erloaded. 
ADMINISTRATION
102.4.1 Minor additions, alterations, renovations and repairs.
Minor additions, alterations, renovations and 
repairs to existing installations shall meet the provisions for new construction, unless such work is done in the same 
manner and arrang
ement as was in the existing system, is not hazardous and is approved.
102.
4.2 Special provisions for prior code buildings.
In addition to the requirements of Sections 102.4 and 
102.4.1, the provisions of Sections 102.4.2.1 through 102.4.2.3 shall apply to prior code buildings.
102.4.2.1 Number of plumbing fixtures.
For prior code buildings, the number of required plumbing fi
xtures 
shall be permitted to be calculated based on the 
1968 Building Code
utilizing the occupant load figures from the 
1968 Building Code
, or shall be permitted to be calculated based on the 
New York City Plumbing Code 
utilizing 
the occupant load figures 
from the 
New York City Plumbing Code.
102.4.2.2 Seismic supports.
For prior code buildings, the determination as to whether seismic requirements 
apply to an alteration shall be made in accordance with the 
1968 Building Code
and interpretations by the de-
par
tment relating to such determinations. Any applicable seismic loads and requirements shall be permitted to 
be determined in accordance with Chapter 16 of the 
New York City Building Code
or the 
1968 Building Code
and Reference Standard RS 9
-
6 of such code.
102.
4.2.3 Wind resistance.
For prior code buildings, equipment, appliances and supports that are exposed to 
wind shall be designed and installed to resist the wind pressures determined in accordance with Chapter 16 of 
the 
New York City Building Code
.
102.5
Change in occupancy.
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
102.6 Reserved.
102.7 Reserved.
102.8 Referenced standards.
The standards referenced in this code shall be those that are listed in Chapter 15 and 
such standards shall be considered as part of the requirements of this code to the prescribed extent of each such 
reference. Where differences occur between the provisio
ns of this code and the referenced standards, the provisions 
of this code shall apply. Refer to Article 103 of Chapter 1 of Title 28 of the 
Administrative Code
for additional 
provisions relating to referenced standards.
102.8.1 Editions of referenced stand
ards.
References to standards in this code shall be to the editions of those 
standards provided for in Chapter 15, or as otherwise provided by rule.
102.9 Requirements not covered by code.
Requirements necessary for the strength, stability or proper 
operation 
of an existing or proposed plumbing system, or for the public safety, health and general welfare, not specifically 
covered by this code, shall be determined by the commissioner.
102.10 Application of references.
Reference to chapter or section nu
mbers, or to provisions not specifically identified 
by number, shall be construed to refer to such chapter, section or provision of this code.
SECTION PC 103
DEPARTMENT OF BUILDINGS
103.1 Enforcement agency.
Refer to the New York City Charter and Chapter 1
of Title 28 of the 
Administrative 
Code
.
SECTION PC 104
DUTIES AND POWERS OF THE COMMISSIONER
OF BUILDINGS
104.1 General.
The commissioner shall have the authority to render interpretations of this code, adopt rules, and 
establish policies and procedures i
n order to clarify and implement its provisions. Such interpretations, policies, 
procedures, and rules shall be in compliance with the intent and purpose of this code. See the New York City 
Charter and Chapter 1 of Title 28 of the 
Administrative Code
for a
dditional provisions relating to the authority of 
the Commissioner of Buildings.
ADMINISTRATION
104.2 Remedies for nonfunctioning storm water disposal systems.
If the commissioner determines that a system 
of storm water disposal which has been previously approved under t
he provisions of this code or of previous codes 
is no longer providing adequate drainage of storm water from a lot or development, the commissioner shall order 
repair of such system as required by Section 28
-
301.1 of the 
Administrative Code
; or if, in the 
judgment of the 
commissioner, repair of such system is not sufficient to ensure adequate drainage of storm water from such lot or 
development, the commissioner shall order that one of the methods of storm water disposal set forth in Chapter 11 
shall be use
d to provide such drainage. The commissioner may apply to the Board of Standards and Appeals for 
modification of the Certificate of Occupancy of any building constructed on such lot or development to require the 
use of such method.
SECTION
PC 
105
APPROVALS
105.1 Approvals. 
Refer to Chapter 1 of Title 28 of the 
Administrative Code
.
SECTION PC 106
PERMITS
106.1 General.
Permits shall comply with this section, with Article 105 of Chapter 1 of Title 28 of the 
Administra-
tive Code
, and with requirements 
found elsewhere in this code.
106.2 Required.
Any owner or authorized agent who intends to construct, add to, alter, repair, move, demolish, or 
change the occupancy of a building or structure, or to erect, install, add to, alter, repair, remove, convert or
replace 
any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such 
work to be done, shall first make application for construction document approval in accordance with Chapter 1 of 
Title 28 of the 
Admi
nistrative Code
and this chapter and obtain the required permit.
106.3 Work exempt from permit.
Exemptions from permit requirements of this code as authorized in Chapter 1 of 
Title 28 of the 
Administrative Code
and the rules of the department shall not be 
deemed to grant authorization for 
any work to be done in any manner in violation of the provisions of this code or any other laws or rules.
106.4 Validity of permit.
The issuance or granting of a permit shall not be construed to be a permit for, or an 
appr
oval of, any violation of any of the provisions of this code or of any other law. Permits presuming to give 
authority to violate or cancel the provisions of this code or other law shall not be valid. The issuance of a permit 
based on construction documents
and other data shall not prevent the commissioner from requiring the correction 
of errors in the construction documents and other data. The commissioner is also authorized to prevent occupancy 
or use of a structure where in violation of this code or of an
y other law.
106.5 Mandatory sewer and catch basin work required by Section 24
-
526 of the 
Administrative Code
.
An appli-
cant for a permit who is required pursuant to Section 24
-
526 of the 
Administrative Code
to construct or repair 
defects in sewers or catch basins that lie outside the property shall submit certification from the Department of 
Environmental Protectio
n in accordance with Section 105.9 of the 
New York City Building
Code
.
106.6 Other permits.
In addition to any permits required by the provisions of this code, the following permits shall 
also be required:
1.
Permits for all water supplies and backflow dev
ices for all buildings shall be obtained from the Department of 
Environmental Protection, and the installation of the water service system from the street main up to and includ-
ing the meter outlet control valve shall be subject to inspection and approval b
y such department. All backflow 
devices shall be acceptable to the New York State Department of Health.
2.
Permits for the installation of the building sewer shall be obtained from the Department of Environmental Pro-
tection.
3.
Permits for sidewalk and str
eet openings shall be obtained from the Department of Transportation.
4.
Where groundwater discharge permits are required by the rules of the Department of Environmental Protection 
for the discharge of groundwater, such permits shall be obtained from the D
epartment of Environmental Protec-
tion in accordance with such rules.
ADMINISTRATION
5.
Permits for the installation of temporary connections at the street for water and sewer shall be obtained from the 
Department of Environmental Protection.
106.7 Permits with respect to
limited alteration applications.
For permits with respect to limited alteration appli-
cations refer to Sections 28
-
101.5 and 28
-
104.6, Exception 1 of the 
Administrative Code.
SECTION PC 107
CONSTRUCTION DOCUMENTS
107.1 General.
Construction documents shall comply with Article 104 of Chapter 1 of Title 28 of the 
Administrative 
Code
and other applicable provisions of this code and its referenced standards. Such construction documents shall 
be coordinated with architectural, structu
ral and means of egress plans.
107.2 Required documents.
The applicant shall submit all of the documents specified in Sections 107.3 through 
107.10 as appropriate to the nature and extent of the work proposed. Construction documents shall indicate the 
plum
bing work to be performed, so drawn as to conform to the architectural and structural aspects of the building 
and to show in detail compliance with this code.
107.2.1 Composite plans.
Composite plans showing compliance of architectural, structural, and mec
hanical 
parts of a building may be submitted provided that a clear understanding of each part is not impaired.
107.3 Lot diagram.
The lot diagram shall be provided where applicable to the work proposed, including but not 
limited to, street connection locat
ions and increases of impervious surfaces.
‡‡‡
107.4 Building classification statement.
Where applicable to the proposed work, the statement shall identify:
1.
The occupancy group or groups that apply to parts of the building in accordance with Section 302 of the 
New 
York City Building Code
;
2.
The occupancy group of the main use or dominant occupancy of the building;
3.
The construction type of the building in accordance with Section 602 of the 
New York City Building Code
;
4.
The structure category in accordance with Table 1604.5 of the 
New York
City Building Code
;
5.
The height of the building as defined in Section 202 of the 
New York City Building Code
;
6.
The applicable measurements to the highest and lowest level of Fire Department access; 
7.
Whether the building is inside or outside of the 
fire districts; and
8.
Whether the building is inside or outside a flood hazard area as such term is defined in 
Chapter 2
of the 
New 
York City Building Code
.
‡‡‡
107.5 Plumbing plans.
Construction documents for plumbing work shall contain plans which includ
e the fol-
lowing data and information. Such plans shall not be required in connection with applications for limited plumbing 
alterations.
1.
Riser diagrams showing the story heights, all plumbing fixtures with diagrammatic arrangement of their con-
nections t
o soil, waste, and vent piping, all soil, waste, and vent stacks from the point of connection with the 
building drain to their termination above the roof, all leader and storm water piping from the point of connection 
with the building drain to the roof dr
ain, and all risers.
2.
Diagrammatic floor plans showing the location, layout, and spacing of all plumbing fixtures, the summation of 
plumbing loads, the size, location, and material for all building sewers and drains, and the soil, waste, vent, 
water, and
gas distribution piping.
3.
Floor plans showing typical layouts; and stack details shown on one drawing, provided that such details are 
clearly identified as to location and stack number.
4.
Plans clearly indicating all appurtenant equipment, including, b
ut not limited to, pumps, ejectors, water tanks, 
and piping.
5.
In the case of plans for new plumbing systems, and alterations of existing plumbing systems, plans indicating:
ADMINISTRATION
5.1.
The relative elevation of the lowest fixture referred to the city datum prov
ided in Section 28
-
104.7.6 of the 
Administrative Code
and the approximate inside top of the public sewers;
5.2.
The number, size, and location of all proposed sewer connections and relative location and size of all water 
mains, leaders, and risers; and
5.3
.
A statement from the Department of Environmental Protection, giving the minimum water pressure in the 
main serving the building.
6.
Seismic protection and restraint details for piping and equipment as required by Chapter 16 of the 
New York City 
Building 
Code
.
7.
Details showing structural supports for water tanks where required.
8.
In flood hazard areas, construction documents shall comply with Appendix G of the 
New York City Building 
Code
.
107.6 
Discharge of sewage and discharge and/or management of stor
mwater runoff.
Applications for construc-
tion document approval shall comply with Sections 107.6.1, 107.6.2 and 107.6.3.
107.6.1 Sewage.
Applications for construction document approval shall include submittal documents relating to 
the availability and feasibility of a public sanitary or public combined sewer and/or other approved discharge for 
sewage in accordance with Sections 107.6.1.1 a
nd 107.6.1.2 for the following types of applications:
1.
New buildings that include any fixtures that produce sewage;
2.
Alterations that require an increase in size to an existing sanitary or combined sewer connection; and/or
3.
Alterations requiring a ne
w connection to a sanitary or combined sewer.
107.6.1.1 Connection feasible and available.
Where a public sanitary or combined sewer availability is certi-
fied by the Department of Environmental Protection or certified by an applicant in accordance with rul
es of such 
department and connection thereto feasible, the applicant shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a pu
blic sanitary or combined sewer 
is available and connection thereto is feasible. Applications for such certification shall be made to the 
Department of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “
house/site connection proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such dep
artment on part or all of the sewage 
to be disposed of with an on
-
site disposal system or with the use of an alternative disposal system; or
2.
Applicant certification of availability and feasibility.
A certification submitted by the applicant to the 
Depar
tment of Environmental Protection in accordance with the rules of such department that a public 
sanitary or combined sewer is available and connection thereto is feasible, in such cases where the avail-
ability and feasibility of connection to a public sanit
ary or combined sewer are allowed to be certified by 
the applicant pursuant to such rules. Such certification shall be on forms specified by such department 
(Department of Environmental Protection “house/site connection proposal application” or other form 
as 
specified in the rules
of such department).
107.6.1.2 Connection not feasible or not available.
Where a public sanitary or combined sewer is not available, 
or where connection thereto is not feasible, the applicant shall submit:
1.
Department of Environmental Protection or applicant certification of unavailability or non
-
feasi-
bility.
(i) A certifica
tion issued by the Department of Environmental Protection that a public sanitary or 
combined sewer is not available or that connection to an available sewer is not feasible. Such certification 
shall be on forms specified by such department (Department of E
nvironmental Protection “house/site con-
nection proposal application” or other form as specified in the rules of such department) or (ii) A certifi-
cation submitted by the applicant to the Department of Environmental Protection that a public sanitary or 
comb
ined sewer is not available or that connection thereto is not feasible, in such cases where the availa-
bility and feasibility of connection to a public sanitary or combined sewer are allowed to be certified by 
the applicant pursuant to the rules of such dep
artment. Such certification shall be on forms specified by 
ADMINISTRATION
such department (Department of Environmental Protection “house/site connection proposal application” 
or other form as specified in the rules of such department); and
2.
On
-
site disposal.
A proposal
for the design and construction of a system for the on
-
site disposal of sewage 
conforming to the provisions of this code and other applicable laws and rules including but not limited to 
minimum required distances from lot lines or structures and subsoil c
onditions. Construction documents 
for such system shall be subject to the approval of the department.
107.6.2 Stormwater.
Applications for construction document approval shall include submittal documents relating 
to the availability and feasibility of a pu
blic combined or storm sewer or other approved method for stormwater 
discharge in accordance with Sections 107.6.2.1 and 107.6.2.2 for the following types of applications:
1.
New buildings;
2.
Alterations of buildings proposing horizontal building enlargem
ent; and/or
3.
Alterations that increase impervious surfaces on the tax lot.
Exceptions:
1.
Applications for construction document approval for the alteration of an existing one
-
or two
-
family 
dwelling need not include such submittal documents, where the f
ootprint of a proposed horizontal 
building enlargement and any proposed increase in impervious surfaces combined is less than or equal 
to 200 square feet (19 m
2
). Construction documents shall include the amount of proposed increase in 
impervious area.
1.1.
This exception shall not apply if the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and any other en-
largement or increase in impervious surface made on the same t
ax lot after July 1, 2008 together 
exceed 200 square feet (19 m
2
).
2.
Applications for construction document approval for the alteration of a building need not include such 
submittal documents, where the increase in area of the footprint resulting from a p
roposed horizontal 
building enlargement and any proposed increase in impervious surfaces on a lot combined is less than 
or equal to 1,000 square feet (93 m
2
), and on
-
site disposal of stormwater conforming to the provisions 
of the applicable laws and rules 
as determined by the department is proposed for such enlargement 
and/or increase in impervious surface. Construction documents shall include the amount of proposed 
increase in impervious area.
2.1.
This exception shall not apply where on
-
site disposal cann
ot be designed to conform to the provi-
sions of the applicable laws and rules including but not limited to minimum required distances 
from lot lines or structures or subsoil conditions as determined by the department.
2.2.
This exception shall not apply if 
the      horizontal building enlargement and increase in impervious 
surface related to the current application for construction document approval and all other enlarge-
ments or increases in impervious surface made on the same tax lot after July 1, 2008 togethe
r 
exceed 1,000 square feet (93 m
2
).
107.6.2.1 Connection feasible and available.
Where a public combined or storm sewer availability is certified 
by the Department of Environmental Protection or certified by an applicant in accordance with rules of such 
de
partment and connection thereto is feasible, applicants shall submit:
1.
Department of Environmental Protection certification of availability and feasibility.
A sewer certi-
fication issued by the Department of Environmental Protection that a public storm or
combined sewer is 
available and connection thereto is feasible. Applications for such certification shall be made to the De-
partment of Environmental Protection on forms specified by such department (Department of Environ-
mental Protection “house/site conne
ction proposal application” or other form as specified in the rules of 
such department) and shall be reviewed and approved by such department in accordance with the rules of 
such department. Such certification may be conditioned by such department on part 
or all of the storm-
water runoff to be disposed of through an on
-
site detention or retention system, or by use of alternative 
disposal methods including but not limited to ditches, swales or watercourses; or
2.
Applicant certification of availability and fe
asibility. 
A certification submitted by the applicant to the 
Department of Environmental Protection in accordance with the rules of such department that a public 
ADMINISTRATION
storm or combined sewer is available and connection thereto is feasible, in such cases where t
he availa-
bility and feasibility of connection to a public storm or combined sewer are allowed to be certified by the 
applicant pursuant to such rules. Such certification shall be on forms specified by such department (De-
partment of Environmental Protection
“house/site connection proposal application” or other form as spec-
ified in the rules of such department).
107.6.2.2 Connection not feasible or not available.
Where a public combined or storm sewer is not available, 
or where connection thereto is not feasi
ble, applicants shall submit:
1.
Department of Environmental Protection or applicant certification of unavailability or non
-
feasi-
bility.
(i) Certification issued by the Department of Environmental Protection that a public storm or com-
bined sewer is not ava
ilable or that connection thereto is not feasible. Such certification shall be on forms 
specified by such department (Department of Environmental Protection “house/site connection proposal 
application” or other form as specified in the rules of such depart
ment); or (ii) Certification submitted by 
the applicant to the Department of Environmental Protection that a public storm or combined sewer is not 
available or that connection thereto is not feasible, in such cases where the availability and feasibility of
connection to a public storm or combined sewer are allowed to be certified by the applicant pursuant to 
rules of such department. Certification shall be on forms specified by such department (Department of 
Environmental Protection “house/site connection p
roposal application” or other form as specified in the 
rules of such department); and
2.
On
-
site disposal.
A proposal for the design and construction of a system for the on
-
site disposal of storm-
water conforming to the provisions of this code and other app
licable laws and rules including but not 
limited to minimum required distances from lot lines or structures and subsoil conditions. Construction 
documents for such system shall be subject to the approval of the department.
107.6.3 Post
-
construction stormwa
ter management facilities.
A post
-
construction stormwater management fa-
cility that is constructed as a part of a covered development project located within the MS4 area, shall comply with 
the rules of the Department of Environmental Protection and with thi
s code.
107.7 Private sewers.
If private sewers are to be constructed pursuant to subdivision b of Section 1403 of the New 
York City Charter, a copy of the sewer plan shall be submitted.
107.8 Private sewage treatment plant.
If a private sewage 
treatment plant is to be constructed, a copy of plans 
approved by the Department of Health and Mental Hygiene and the Department of Environmental Protection shall 
be submitted.
‡‡‡
107.9 Private stormwater or sewage disposal system.
If a private stormwater 
or sewage disposal system is to 
be installed, a site and subsoil evaluation indicating that the site and subsoil conditions comply with the applicable 
laws and rules shall be submitted in accordance with the provisions of Section 
170
5
.27
of the 
New York Ci
ty Build-
ing Code
.
107.10 Energy efficiency.
Construction documents shall include compliance documentation as required by the 
New 
York City Energy Conservation Code
.
‡‡‡
107.11 Retention of construction and submittal documents. 
Refer to Section 28
-
104.12 of the 
Administrative 
Code
.
SECTION PC 108
INSPECTIONS AND TESTING
108.1 General.
Except as otherwise specified, inspections required by this code or by the department dur
ing the 
progress of work may be performed on behalf of the owner by approved agencies or, if applicable, by special 
inspectors. However, in the interest of public safety, the commissioner may direct that any of such inspections be 
performed by the departme
nt. All inspections shall be performed at the sole cost and expense of the owner. Refer 
to Article 116 of Chapter 1 of Title 28 of the 
Administrative Code
for additional provisions relating to inspections. 
108.2 Required inspections and testing. 
In addition to any inspections otherwise required by this code or applicable 
rules, the holder of the permit shall be responsible for the scheduling of the following required inspections:
ADMINISTRATION
1.
Progress inspections:
1.1
.
Underground inspection and/or testing of installed piping, valves, fittings, support structures, anti
-
corrosion 
equipment and associated underground components shall be made before backfill is put in place. When 
excavated soil contains rocks, broken conc
rete, frozen chunks and other rubble that would damage or break 
the piping or cause corrosive action, clean backfill shall be on the job site ready for use in backfilling.
1.2.
Rough
-
in inspection and/or testing shall be made after the roof, framing, fireb
locking, firestopping, 
draftstopping and bracing is in place and all sanitary, storm and water distribution piping is roughed
-
in, and 
prior to the installation of wall or ceiling membranes.
Exception:
When new water, waste and vent piping is installed or r
eplaced and all of the piping is to be 
permanently exposed there shall be no requirement for a rough
–
in inspection.
1.3.
Inspections required by the 
New York City Energy Conservation Code
shall be made in accordance with 
the rules of the department, as app
licable.
2.
Special inspections. Special inspections shall be performed in accordance with this code and Chapter 17 of the 
New York City Building Code
, and, where applicable, Section 107.3.
3.
Final inspection shall be made after the building is complete, 
all plumbing fixtures are in place and properly 
connected, and the structure is ready for occupancy. Refer to Article 116 of Chapter 1 of Title 28 of the 
Admin-
istrative Code
for additional requirements.
108.2.1 Approved agencies.
Refer to Articles 114 and 
115 of Chapter 1 of Title 28 of the 
Administrative Code
.
108.2.2 Inspection of prefabricated construction assemblies.
Prior to the approval of a prefabricated construc-
tion assembly having concealed work and the issuance of a permit, the department shall re
quire the submittal of 
an evaluation report by an approved agency on each prefabricated construction assembly, indicating the complete 
details of the installation, including a description of the system and its components, the basis upon which the 
system is
being evaluated, test results and similar information and other data as necessary for the commissioner 
to determine conformance to this code.
108.2.2.1 Test and inspection records.
Required test and inspection records shall be available to the commis-
sione
r at all times during the fabrication of the installation and the erection of the building; or such records as 
the commissioner designates shall be filed.
108.2.3 Exposure of work.
The work shall remain accessible and exposed for inspection 
purposes. Neither the 
commissioner nor the city shall be liable for expense entailed in the removal or replacement of any material 
required to allow inspection.
108.3 Special inspections of alternative engineered design systems.
Special inspections of alte
rnative engineered 
design plumbing systems shall be conducted in accordance with Sections 108.3.1 and 108.3.2.
108.3.1 Periodic inspection.
The special inspector shall periodically inspect and observe the work being per-
formed to determine that the installa
tion is in accordance with the approved construction documents for the 
alternative engineered design. All discrepancies shall be brought to the immediate attention of the plumbing 
contractor for correction. Records shall be kept of all inspections.
108.3.2
Written report.
The 
special inspector 
shall submit a final report in writing to the commissioner upon 
completion of the installation, certifying that the alternative engineered design installation conforms to the ap-
proved construction documents.
108.4 Tes
ting.
Plumbing work and systems shall be tested as required in Section 312 and in accordance with Sec-
tions 108.4.1 through 108.4.3. Tests shall be made by the permit holder and witnessed by the department.
108.4.1 New, altered, extended or repaired systems
. 
New plumbing systems and parts of existing systems that 
have been altered, extended or repaired shall be tested as prescribed herein to disclose leaks and defects, except 
that testing is not required in the following cases:
1.
In any case that does not i
nclude addition to, replacement, alteration or relocation of any water supply, drain-
age or vent piping.
2.
In any case where plumbing equipment is set up temporarily for exhibition purposes.
ADMINISTRATION
3.
For ordinary plumbing work, the department may accept written 
certification from a licensed master plumber 
that the job was performed in compliance with the requirements of this code and rules of the department.
4.
Minor alterations and ordinary repairs.
5.
In accordance with the exceptions in Section 312.1.
108.4.2 
Apparatus, material and labor for tests.
All apparatus, material and labor required for testing a plumb-
ing system or part thereof shall be furnished by the permit holder.
108.4.3 Reinspection and testing.
Where any work or installation does not pass any in
itial test or inspection, the 
necessary corrections shall be made to comply with this code. The work or installation shall then be resubmitted 
to the commissioner for inspection and testing.
108.5 Sign
-
off of completed work.
Refer to Article 116 of Chapter
1 of Title 28 of the 
Administrative Code
.
108.6 Temporary connection.
The commissioner shall have the authority to authorize the temporary connection of 
the building or system to the utility source for the purpose of testing plumbing systems or for use 
under a temporary 
Certificate of Occupancy. Additional permits may be required in accordance with Section 106.6.
108.7 Connection of service utilities.
Refer to Title 28 of the 
Administrative Code
.
SECTION PC 109
VIOLATIONS
109.1 General.
Refer to Chapters 2 and 3 of Title 28 of the 
Administrative Code
.