‡‡‡ Chapter 8 was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 8
INDIRECT/SPECIAL WASTE
SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
‡‡‡ Chapter 8 was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 8
INDIRECT/SPECIAL WASTE
SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
‡‡‡ Chapter 8 was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 8
INDIRECT/SPECIAL WASTE
SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
‡‡‡ Chapter 8 was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 8
INDIRECT/SPECIAL WASTE
SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
INDIRECT/SPECIAL WASTE
solvent cement, yellow in color and conforming to ASTM F 2618, to be used, the joint surfaces shall 
not 
require application of a primer before the solvent cement is applied. The joint shall be made while the cement 
is wet and in accordance with ASTM F 2618. Solvent cement joints shall be permitted above or below ground.
803.3.4.1.3 Threaded joints. 
Threa
ds shall conform to ASME B1.20.1. Schedule 80 or heavier pipe shall be 
permitted to be threaded with dies specifically designed for plastic pipe, but the pressure rating of the pipe 
shall be reduced by 50 percent. Thread by socket molded fittings shall be 
permitted. Approved thread lubri-
cant or tape shall be applied on the male threads only.
803.3.4.2 Borosilicate glass joints. 
Joints between Borosilicate glass pipe and fittings shall comply with Sec-
tions 803.3.4.2.1 and 803.3.4.2.2.
803.3.4.2.1 Mechanical 
joints.
Glass
-
to
-
glass connections shall be made with a bolted compression
-
type, 
300 series stainless steel
coupling with contoured acid
-
resistant elastomeric compression ring and a fluoro-
carbon polymer inner seal ring; or with caulked joints in accordance
with Section 
803.3.4.2.2
.
803.3.4.2.2 Caulked joints.
Lead
-
caulked joints
for hub and spigot soil pipe shall be firmly packed with 
oakum or hemp and filled with molten lead not less than 1 inch (25 mm) 
in depth
and not to 
recede
more 
than 
1
/
8
inch (3.2 mm
) below the rim of the hub. Paint, varnish or other coatings shall not be permitted on the 
jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall 
be caulked tight. Acid
-
resistant rope and acidproof 
cement shall be permitted.
803.3.4.3 High silicon cast iron.
Joints in high silicon cast iron system shall be in accordance with Section 
705.4.
803.3.4.4 Polyolefin.
Joints between polyolefin plastic pipe and fittings shall comply with Sections 803.3.4.4.1
and 803.3.4.4.2.
803.3.4.4.1 Heat
-
fusion joints. 
Heat
-
fusion joints for polyolefin pipe and tubing joints shall be installed with 
socket
-
type heat
-
fused polyolefin fittings or electrofusion polyolefin fittings. Joint surfaces shall be clean 
and free from 
moisture. The joint shall be undisturbed until cool. Joints shall be made in accordance with 
ASTM F 1412 or 
CSA B181.3
.
803.3.4.4.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in accordance with the
manufacturer’s instructions
, and in conformance with acceptance criteria 
established by the commissioner
.
803.3.4.5 Polypropylene (PP) plastic.
Joints between PP plastic pipe and fittings shall comply with Section 
803.3.4.5.1 or 803.3.4.5.2.
803.3.4.5.1 H
eat
-
fusion joints. 
Heat
-
fusion joints for polypropylene pipe and tubing joints shall be installed 
with socket
-
type heat
-
fused polypropylene fittings, butt
-
fusion polypropylene fittings or electrofusion poly-
propylene fittings. Joint surfaces shall be clean 
and free from moisture. The joint shall be undisturbed until 
cool. Joints shall be made in accordance with ASTM F 1412.
803.3.4.5.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in 
accordance with the manufacturer’s instructions.
803.3.4.6 Polyvinylidene fluoride plastic.
Joints between polyvinylidene plastic pipe and fittings shall comply 
with Sections 803.3.4.6.1 and 803.3.4.6.2.
803.3.4.6.1 Heat
-
fusion joints. 
Heat
-
fusion joints f
or polyvinylidene fluoride pipe and tubing joints shall be 
installed with socket
-
type heat
-
fused polyvinylidene fluoride fittings or electrofusion polyvinylidene fittings 
and couplings. Joint surfaces shall be clean and free from moisture. The joint shall 
be undisturbed until cool. 
Joints shall be made in accordance with ASTM F 1673.
803.3.4.6.2 Mechanical and compression sleeve joints.
Mechanical and compression sleeve joints shall be 
installed in accordance with the manufacturer’s instructions, and in con
formance with acceptance criteria 
established by the commissioner.
803.3.5 Chemical drainage and vent pipe cleanouts. 
Chemical waste and vent pipe cleanouts shall conform to 
Sections 708.1.1, 708.1.4, 708.1.5, 708.1.6, 708.1.8, 708.1.9, 708.1.10 and 
708.1.11.
803.3.6 Chemical drainage and vent pipe sizing. 
Sizing of
chemical waste and vent pipe shall conform to Sec-
tions 709 and 710.
‡‡‡ Chapter 8 was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 8
INDIRECT/SPECIAL WASTE
SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
INDIRECT/SPECIAL WASTE
solvent cement, yellow in color and conforming to ASTM F 2618, to be used, the joint surfaces shall 
not 
require application of a primer before the solvent cement is applied. The joint shall be made while the cement 
is wet and in accordance with ASTM F 2618. Solvent cement joints shall be permitted above or below ground.
803.3.4.1.3 Threaded joints. 
Threa
ds shall conform to ASME B1.20.1. Schedule 80 or heavier pipe shall be 
permitted to be threaded with dies specifically designed for plastic pipe, but the pressure rating of the pipe 
shall be reduced by 50 percent. Thread by socket molded fittings shall be 
permitted. Approved thread lubri-
cant or tape shall be applied on the male threads only.
803.3.4.2 Borosilicate glass joints. 
Joints between Borosilicate glass pipe and fittings shall comply with Sec-
tions 803.3.4.2.1 and 803.3.4.2.2.
803.3.4.2.1 Mechanical 
joints.
Glass
-
to
-
glass connections shall be made with a bolted compression
-
type, 
300 series stainless steel
coupling with contoured acid
-
resistant elastomeric compression ring and a fluoro-
carbon polymer inner seal ring; or with caulked joints in accordance
with Section 
803.3.4.2.2
.
803.3.4.2.2 Caulked joints.
Lead
-
caulked joints
for hub and spigot soil pipe shall be firmly packed with 
oakum or hemp and filled with molten lead not less than 1 inch (25 mm) 
in depth
and not to 
recede
more 
than 
1
/
8
inch (3.2 mm
) below the rim of the hub. Paint, varnish or other coatings shall not be permitted on the 
jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall 
be caulked tight. Acid
-
resistant rope and acidproof 
cement shall be permitted.
803.3.4.3 High silicon cast iron.
Joints in high silicon cast iron system shall be in accordance with Section 
705.4.
803.3.4.4 Polyolefin.
Joints between polyolefin plastic pipe and fittings shall comply with Sections 803.3.4.4.1
and 803.3.4.4.2.
803.3.4.4.1 Heat
-
fusion joints. 
Heat
-
fusion joints for polyolefin pipe and tubing joints shall be installed with 
socket
-
type heat
-
fused polyolefin fittings or electrofusion polyolefin fittings. Joint surfaces shall be clean 
and free from 
moisture. The joint shall be undisturbed until cool. Joints shall be made in accordance with 
ASTM F 1412 or 
CSA B181.3
.
803.3.4.4.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in accordance with the
manufacturer’s instructions
, and in conformance with acceptance criteria 
established by the commissioner
.
803.3.4.5 Polypropylene (PP) plastic.
Joints between PP plastic pipe and fittings shall comply with Section 
803.3.4.5.1 or 803.3.4.5.2.
803.3.4.5.1 H
eat
-
fusion joints. 
Heat
-
fusion joints for polypropylene pipe and tubing joints shall be installed 
with socket
-
type heat
-
fused polypropylene fittings, butt
-
fusion polypropylene fittings or electrofusion poly-
propylene fittings. Joint surfaces shall be clean 
and free from moisture. The joint shall be undisturbed until 
cool. Joints shall be made in accordance with ASTM F 1412.
803.3.4.5.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in 
accordance with the manufacturer’s instructions.
803.3.4.6 Polyvinylidene fluoride plastic.
Joints between polyvinylidene plastic pipe and fittings shall comply 
with Sections 803.3.4.6.1 and 803.3.4.6.2.
803.3.4.6.1 Heat
-
fusion joints. 
Heat
-
fusion joints f
or polyvinylidene fluoride pipe and tubing joints shall be 
installed with socket
-
type heat
-
fused polyvinylidene fluoride fittings or electrofusion polyvinylidene fittings 
and couplings. Joint surfaces shall be clean and free from moisture. The joint shall 
be undisturbed until cool. 
Joints shall be made in accordance with ASTM F 1673.
803.3.4.6.2 Mechanical and compression sleeve joints.
Mechanical and compression sleeve joints shall be 
installed in accordance with the manufacturer’s instructions, and in con
formance with acceptance criteria 
established by the commissioner.
803.3.5 Chemical drainage and vent pipe cleanouts. 
Chemical waste and vent pipe cleanouts shall conform to 
Sections 708.1.1, 708.1.4, 708.1.5, 708.1.6, 708.1.8, 708.1.9, 708.1.10 and 
708.1.11.
803.3.6 Chemical drainage and vent pipe sizing. 
Sizing of
chemical waste and vent pipe shall conform to Sec-
tions 709 and 710.
‡‡‡ Chapter 8 was amended by 
Local Law 
77 
of 2023
. This law has an effective
 date of June 10, 2023.
CHAPTER 8
INDIRECT/SPECIAL WASTE
SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
INDIRECT/SPECIAL WASTE
solvent cement, yellow in color and conforming to ASTM F 2618, to be used, the joint surfaces shall 
not 
require application of a primer before the solvent cement is applied. The joint shall be made while the cement 
is wet and in accordance with ASTM F 2618. Solvent cement joints shall be permitted above or below ground.
803.3.4.1.3 Threaded joints. 
Threa
ds shall conform to ASME B1.20.1. Schedule 80 or heavier pipe shall be 
permitted to be threaded with dies specifically designed for plastic pipe, but the pressure rating of the pipe 
shall be reduced by 50 percent. Thread by socket molded fittings shall be 
permitted. Approved thread lubri-
cant or tape shall be applied on the male threads only.
803.3.4.2 Borosilicate glass joints. 
Joints between Borosilicate glass pipe and fittings shall comply with Sec-
tions 803.3.4.2.1 and 803.3.4.2.2.
803.3.4.2.1 Mechanical 
joints.
Glass
-
to
-
glass connections shall be made with a bolted compression
-
type, 
300 series stainless steel
coupling with contoured acid
-
resistant elastomeric compression ring and a fluoro-
carbon polymer inner seal ring; or with caulked joints in accordance
with Section 
803.3.4.2.2
.
803.3.4.2.2 Caulked joints.
Lead
-
caulked joints
for hub and spigot soil pipe shall be firmly packed with 
oakum or hemp and filled with molten lead not less than 1 inch (25 mm) 
in depth
and not to 
recede
more 
than 
1
/
8
inch (3.2 mm
) below the rim of the hub. Paint, varnish or other coatings shall not be permitted on the 
jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall 
be caulked tight. Acid
-
resistant rope and acidproof 
cement shall be permitted.
803.3.4.3 High silicon cast iron.
Joints in high silicon cast iron system shall be in accordance with Section 
705.4.
803.3.4.4 Polyolefin.
Joints between polyolefin plastic pipe and fittings shall comply with Sections 803.3.4.4.1
and 803.3.4.4.2.
803.3.4.4.1 Heat
-
fusion joints. 
Heat
-
fusion joints for polyolefin pipe and tubing joints shall be installed with 
socket
-
type heat
-
fused polyolefin fittings or electrofusion polyolefin fittings. Joint surfaces shall be clean 
and free from 
moisture. The joint shall be undisturbed until cool. Joints shall be made in accordance with 
ASTM F 1412 or 
CSA B181.3
.
803.3.4.4.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in accordance with the
manufacturer’s instructions
, and in conformance with acceptance criteria 
established by the commissioner
.
803.3.4.5 Polypropylene (PP) plastic.
Joints between PP plastic pipe and fittings shall comply with Section 
803.3.4.5.1 or 803.3.4.5.2.
803.3.4.5.1 H
eat
-
fusion joints. 
Heat
-
fusion joints for polypropylene pipe and tubing joints shall be installed 
with socket
-
type heat
-
fused polypropylene fittings, butt
-
fusion polypropylene fittings or electrofusion poly-
propylene fittings. Joint surfaces shall be clean 
and free from moisture. The joint shall be undisturbed until 
cool. Joints shall be made in accordance with ASTM F 1412.
803.3.4.5.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in 
accordance with the manufacturer’s instructions.
803.3.4.6 Polyvinylidene fluoride plastic.
Joints between polyvinylidene plastic pipe and fittings shall comply 
with Sections 803.3.4.6.1 and 803.3.4.6.2.
803.3.4.6.1 Heat
-
fusion joints. 
Heat
-
fusion joints f
or polyvinylidene fluoride pipe and tubing joints shall be 
installed with socket
-
type heat
-
fused polyvinylidene fluoride fittings or electrofusion polyvinylidene fittings 
and couplings. Joint surfaces shall be clean and free from moisture. The joint shall 
be undisturbed until cool. 
Joints shall be made in accordance with ASTM F 1673.
803.3.4.6.2 Mechanical and compression sleeve joints.
Mechanical and compression sleeve joints shall be 
installed in accordance with the manufacturer’s instructions, and in con
formance with acceptance criteria 
established by the commissioner.
803.3.5 Chemical drainage and vent pipe cleanouts. 
Chemical waste and vent pipe cleanouts shall conform to 
Sections 708.1.1, 708.1.4, 708.1.5, 708.1.6, 708.1.8, 708.1.9, 708.1.10 and 
708.1.11.
803.3.6 Chemical drainage and vent pipe sizing. 
Sizing of
chemical waste and vent pipe shall conform to Sec-
tions 709 and 710.
INDIRECT/SPECIAL WASTE
803.3.7 Offsets in chemical drainage and vent pipe sizing. 
Offsets of
chemical waste and vent pipe shall conform 
to Sect
ion 711.
SECTION 
PC 
804
MATERIALS, JOINTS AND CONNECTIONS
804.1 General.
The materials and methods utilized for the construction and installation of indirect waste pipes and 
systems shall comply with the applicable provisions of Chapter 7.SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
INDIRECT/SPECIAL WASTE
solvent cement, yellow in color and conforming to ASTM F 2618, to be used, the joint surfaces shall 
not 
require application of a primer before the solvent cement is applied. The joint shall be made while the cement 
is wet and in accordance with ASTM F 2618. Solvent cement joints shall be permitted above or below ground.
803.3.4.1.3 Threaded joints. 
Threa
ds shall conform to ASME B1.20.1. Schedule 80 or heavier pipe shall be 
permitted to be threaded with dies specifically designed for plastic pipe, but the pressure rating of the pipe 
shall be reduced by 50 percent. Thread by socket molded fittings shall be 
permitted. Approved thread lubri-
cant or tape shall be applied on the male threads only.
803.3.4.2 Borosilicate glass joints. 
Joints between Borosilicate glass pipe and fittings shall comply with Sec-
tions 803.3.4.2.1 and 803.3.4.2.2.
803.3.4.2.1 Mechanical 
joints.
Glass
-
to
-
glass connections shall be made with a bolted compression
-
type, 
300 series stainless steel
coupling with contoured acid
-
resistant elastomeric compression ring and a fluoro-
carbon polymer inner seal ring; or with caulked joints in accordance
with Section 
803.3.4.2.2
.
803.3.4.2.2 Caulked joints.
Lead
-
caulked joints
for hub and spigot soil pipe shall be firmly packed with 
oakum or hemp and filled with molten lead not less than 1 inch (25 mm) 
in depth
and not to 
recede
more 
than 
1
/
8
inch (3.2 mm
) below the rim of the hub. Paint, varnish or other coatings shall not be permitted on the 
jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall 
be caulked tight. Acid
-
resistant rope and acidproof 
cement shall be permitted.
803.3.4.3 High silicon cast iron.
Joints in high silicon cast iron system shall be in accordance with Section 
705.4.
803.3.4.4 Polyolefin.
Joints between polyolefin plastic pipe and fittings shall comply with Sections 803.3.4.4.1
and 803.3.4.4.2.
803.3.4.4.1 Heat
-
fusion joints. 
Heat
-
fusion joints for polyolefin pipe and tubing joints shall be installed with 
socket
-
type heat
-
fused polyolefin fittings or electrofusion polyolefin fittings. Joint surfaces shall be clean 
and free from 
moisture. The joint shall be undisturbed until cool. Joints shall be made in accordance with 
ASTM F 1412 or 
CSA B181.3
.
803.3.4.4.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in accordance with the
manufacturer’s instructions
, and in conformance with acceptance criteria 
established by the commissioner
.
803.3.4.5 Polypropylene (PP) plastic.
Joints between PP plastic pipe and fittings shall comply with Section 
803.3.4.5.1 or 803.3.4.5.2.
803.3.4.5.1 H
eat
-
fusion joints. 
Heat
-
fusion joints for polypropylene pipe and tubing joints shall be installed 
with socket
-
type heat
-
fused polypropylene fittings, butt
-
fusion polypropylene fittings or electrofusion poly-
propylene fittings. Joint surfaces shall be clean 
and free from moisture. The joint shall be undisturbed until 
cool. Joints shall be made in accordance with ASTM F 1412.
803.3.4.5.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in 
accordance with the manufacturer’s instructions.
803.3.4.6 Polyvinylidene fluoride plastic.
Joints between polyvinylidene plastic pipe and fittings shall comply 
with Sections 803.3.4.6.1 and 803.3.4.6.2.
803.3.4.6.1 Heat
-
fusion joints. 
Heat
-
fusion joints f
or polyvinylidene fluoride pipe and tubing joints shall be 
installed with socket
-
type heat
-
fused polyvinylidene fluoride fittings or electrofusion polyvinylidene fittings 
and couplings. Joint surfaces shall be clean and free from moisture. The joint shall 
be undisturbed until cool. 
Joints shall be made in accordance with ASTM F 1673.
803.3.4.6.2 Mechanical and compression sleeve joints.
Mechanical and compression sleeve joints shall be 
installed in accordance with the manufacturer’s instructions, and in con
formance with acceptance criteria 
established by the commissioner.
803.3.5 Chemical drainage and vent pipe cleanouts. 
Chemical waste and vent pipe cleanouts shall conform to 
Sections 708.1.1, 708.1.4, 708.1.5, 708.1.6, 708.1.8, 708.1.9, 708.1.10 and 
708.1.11.
803.3.6 Chemical drainage and vent pipe sizing. 
Sizing of
chemical waste and vent pipe shall conform to Sec-
tions 709 and 710.
INDIRECT/SPECIAL WASTE
803.3.7 Offsets in chemical drainage and vent pipe sizing. 
Offsets of
chemical waste and vent pipe shall conform 
to Sect
ion 711.
SECTION 
PC 
804
MATERIALS, JOINTS AND CONNECTIONS
804.1 General.
The materials and methods utilized for the construction and installation of indirect waste pipes and 
systems shall comply with the applicable provisions of Chapter 7.SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
INDIRECT/SPECIAL WASTE
solvent cement, yellow in color and conforming to ASTM F 2618, to be used, the joint surfaces shall 
not 
require application of a primer before the solvent cement is applied. The joint shall be made while the cement 
is wet and in accordance with ASTM F 2618. Solvent cement joints shall be permitted above or below ground.
803.3.4.1.3 Threaded joints. 
Threa
ds shall conform to ASME B1.20.1. Schedule 80 or heavier pipe shall be 
permitted to be threaded with dies specifically designed for plastic pipe, but the pressure rating of the pipe 
shall be reduced by 50 percent. Thread by socket molded fittings shall be 
permitted. Approved thread lubri-
cant or tape shall be applied on the male threads only.
803.3.4.2 Borosilicate glass joints. 
Joints between Borosilicate glass pipe and fittings shall comply with Sec-
tions 803.3.4.2.1 and 803.3.4.2.2.
803.3.4.2.1 Mechanical 
joints.
Glass
-
to
-
glass connections shall be made with a bolted compression
-
type, 
300 series stainless steel
coupling with contoured acid
-
resistant elastomeric compression ring and a fluoro-
carbon polymer inner seal ring; or with caulked joints in accordance
with Section 
803.3.4.2.2
.
803.3.4.2.2 Caulked joints.
Lead
-
caulked joints
for hub and spigot soil pipe shall be firmly packed with 
oakum or hemp and filled with molten lead not less than 1 inch (25 mm) 
in depth
and not to 
recede
more 
than 
1
/
8
inch (3.2 mm
) below the rim of the hub. Paint, varnish or other coatings shall not be permitted on the 
jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall 
be caulked tight. Acid
-
resistant rope and acidproof 
cement shall be permitted.
803.3.4.3 High silicon cast iron.
Joints in high silicon cast iron system shall be in accordance with Section 
705.4.
803.3.4.4 Polyolefin.
Joints between polyolefin plastic pipe and fittings shall comply with Sections 803.3.4.4.1
and 803.3.4.4.2.
803.3.4.4.1 Heat
-
fusion joints. 
Heat
-
fusion joints for polyolefin pipe and tubing joints shall be installed with 
socket
-
type heat
-
fused polyolefin fittings or electrofusion polyolefin fittings. Joint surfaces shall be clean 
and free from 
moisture. The joint shall be undisturbed until cool. Joints shall be made in accordance with 
ASTM F 1412 or 
CSA B181.3
.
803.3.4.4.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in accordance with the
manufacturer’s instructions
, and in conformance with acceptance criteria 
established by the commissioner
.
803.3.4.5 Polypropylene (PP) plastic.
Joints between PP plastic pipe and fittings shall comply with Section 
803.3.4.5.1 or 803.3.4.5.2.
803.3.4.5.1 H
eat
-
fusion joints. 
Heat
-
fusion joints for polypropylene pipe and tubing joints shall be installed 
with socket
-
type heat
-
fused polypropylene fittings, butt
-
fusion polypropylene fittings or electrofusion poly-
propylene fittings. Joint surfaces shall be clean 
and free from moisture. The joint shall be undisturbed until 
cool. Joints shall be made in accordance with ASTM F 1412.
803.3.4.5.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in 
accordance with the manufacturer’s instructions.
803.3.4.6 Polyvinylidene fluoride plastic.
Joints between polyvinylidene plastic pipe and fittings shall comply 
with Sections 803.3.4.6.1 and 803.3.4.6.2.
803.3.4.6.1 Heat
-
fusion joints. 
Heat
-
fusion joints f
or polyvinylidene fluoride pipe and tubing joints shall be 
installed with socket
-
type heat
-
fused polyvinylidene fluoride fittings or electrofusion polyvinylidene fittings 
and couplings. Joint surfaces shall be clean and free from moisture. The joint shall 
be undisturbed until cool. 
Joints shall be made in accordance with ASTM F 1673.
803.3.4.6.2 Mechanical and compression sleeve joints.
Mechanical and compression sleeve joints shall be 
installed in accordance with the manufacturer’s instructions, and in con
formance with acceptance criteria 
established by the commissioner.
803.3.5 Chemical drainage and vent pipe cleanouts. 
Chemical waste and vent pipe cleanouts shall conform to 
Sections 708.1.1, 708.1.4, 708.1.5, 708.1.6, 708.1.8, 708.1.9, 708.1.10 and 
708.1.11.
803.3.6 Chemical drainage and vent pipe sizing. 
Sizing of
chemical waste and vent pipe shall conform to Sec-
tions 709 and 710.
INDIRECT/SPECIAL WASTE
803.3.7 Offsets in chemical drainage and vent pipe sizing. 
Offsets of
chemical waste and vent pipe shall conform 
to Sect
ion 711.
SECTION 
PC 
804
MATERIALS, JOINTS AND CONNECTIONS
804.1 General.
The materials and methods utilized for the construction and installation of indirect waste pipes and 
systems shall comply with the applicable provisions of Chapter 7.SECTION 
PC 
801
GENERAL
801.1 Scope.
This chapter shall govern matters concerning indirect waste piping and special wastes. This chapter shall 
further control matters concerning food
-
handling establi
shments, sterilizers, clear
-
water waste, swimming pools, 
methods of providing air breaks or air gaps, and neutralizing devices for corrosive wastes.
801.2 Protection.
Devices, appurtenances, appliances and apparatus intended to serve some special function,
such as 
sterilization, distillation, processing, cooling, or storage of ice or foods, and that discharge to the drainage system, 
shall be provided with protection against backflow, flooding, fouling, contamination and stoppage of the drain.
SECTION 
PC 
802
INDIRECT WASTES
802.1 Where required.
Food
-
handling equipment, in other than dwelling units, clear
-
water waste, dishwashing ma-
chines and utensils, pots, pans and dishwashing sinks shall discharge through an indirect waste pipe as specified in 
Sections 802.1.1 through 802.1.8. 
Health
-
care
related fixtures, devices and equipment shall discharge to the drainage 
system through an indirect waste pipe by means of an air gap in accordance with this chapter and Section 713.3. 
Fixtures not required by this section to be indirectly connected shall be directly connected to the plumbing system in 
accordance with Chapter 7.
802.1.1 Food handling.
Equipment and fixtures utilized for the storage, preparation and handling of food shall 
discharge through an indirect 
waste pipe by means of an air gap. Each well of a multiple
-
compartment sink shall 
discharge independently to a waste receptor.
802.1.2 Floor drains in food storage areas. 
Floor drains located within walk
-
in refrigerators or freezers in food 
service and foo
d establishments shall be indirectly connected to the sanitary drainage system by means of an air 
gap. Where a floor drain is located within an area subject to freezing, the waste line serving the floor drain shall 
not be trapped and shall indirectly disch
arge into a waste receptor located outside of the area subject to freezing.
Exception: 
Where protected against backflow by a backwater valve, such floor drains shall be indirectly con-
nected to the sanitary drainage system by means of an air break or an air
gap.
802.1.3 Potable clear
-
water waste. 
Where devices and equipment, such as sterilizers and relief valves, discharge 
potable water to the building drainage system, the discharge shall be through an indirect waste pipe by means of 
an air gap.
802.1.4 Swimming pools.
Where 
waste water
from swimming pools, backwash from filters and water from pool 
deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by 
means of an air gap
to a waste outlet
. 
802.1.5 Nonp
otable clear
-
water waste. 
Where devices and equipment such as process tanks, filters, drips and 
boilers discharge nonpotable water to the building drainage system, the discharge shall be through an indirect waste 
pipe by means of an air break or an air gap
. 
802.1.6 Domestic dishwashing machines.
Domestic dishwashing machines shall discharge indirectly through an 
air gap or air break into a waste receptor in accordance with Section 802.2, or discharge into a wye branch fitting 
on the tailpiece of the kitchen
sink or the dishwasher connection of a food waste 
disposer
. The waste line of a 
domestic dishwashing machine discharging into a kitchen sink tailpiece or food waste 
disposer
shall connect to a 
deck
-
mounted air gap or the waste line shall rise and be securely fastened to the underside of the sink rim or counter.
INDIRECT/SPECIAL WASTE
802.1.7 Commercial dishwashing machines. 
The discharge from a commercial dishwashing machine shall be 
through an air gap or air break into a waste receptor in accordance with Section 802.2.
802.1.8 
Food utensils, dishes, pots and pans sinks.
Sinks, in other than dwelling units, used for the washing, 
rinsing or sanitizing of utensils, dishes, pots, pans or service ware used in the preparation, serving or eating of food 
shall discharge indirectly throu
gh an air gap or an air break
.
Exception: 
Hand sinks may be directly connected to the drainage system.
802.2 Installation.
Indirect
waste piping shall discharge through an air gap or air break into a waste receptor. Waste 
receptors shall be trapped and ven
ted and shall connect to the building drainage system. 
Indirect
waste piping that 
exceeds 
30 inches (762 mm) 
in developed length measured horizontally, or 
54 inches (1372 mm)
in total developed 
length, shall be trapped.
Exception:
Where a waste receptor re
ceives only clear
-
water waste and does not directly connect to a sanitary 
drainage system, the receptor shall not require a trap.
802.2.1 Air gap. 
The air gap between the indirect waste pipe and the flood level rim of the waste receptor shall be 
not less t
han
twice the effective opening of the indirect waste pipe.
802.2.2 Air break.
An air break shall be provided between the indirect waste pipe and the trap seal of the waste 
receptor.
802.3 Waste receptors. 
For other than hub drains that receive only clear
-
water waste and standpipes, a removable 
strainer or basket shall cover the outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. 
Waste receptors shall not be installed in plenums, crawl spaces, attics, interstitial spaces a
bove ceilings and below 
floors. Ready access shall be provided to waste receptors.
802.3.1 Size of receptors.
A waste receptor shall be sized for the maximum discharge of all indirect waste pipes 
served by the receptor. Receptors shall be installed to prev
ent splashing or flooding.
802.3.2 Hub drains.
A hub 
drain shall be in the form of a hub or a pipe extending not less than 1 inch (25 mm) 
above a water
-
impervious floor.
802.3.3 Standpipes. 
Standpipes shall be individually trapped. Standpipes shall extend 
not less than
18 inches (457 
mm) 
but not greater than
42 inches (1066 mm) above the trap weir. Access shall be provided to standpipes and 
drains for rodding.
SECTION 
PC 
803
SPECIAL 
WASTES
803.1 Wastewater temperature.
Steam pipes shall not con
-
nect to any part of a drainage or plumbing system and 
water above 150°F (66°C) shall not be discharged into any part of a drainage system. Such pipes shall discharge into 
an indirect waste rece
ptor connected to the drainage system.
803.2 Neutralizing device required for corrosive wastes.
All discharges into the public sewers are subject to regu-
lation by the Department of Environmental Protection. The Department of Environmental Protection may pr
ohibit 
the discharge of any corrosive 
liquids,
including but not limited to
spent acids or other harmful chemicals that destroy 
or injure a drain, sewer, soil or waste pipe, or create noxious or toxic fumes or interfere with sewage treatment 
pro
-
cesses or 
may require that such liquids be neutralized or treated prior to discharge in accordance with the Department 
of Environmental Protection regulations. Where treatment prior to discharge is required by the Department of Envi-
ronmental Protection, liquids
shal
l
not be discharged into the plumbing system without being thoroughly 
neutralized
or 
treated in compliance with 
the 
rules
of 
the Department of Environmental Protection
.
803.3 Chemical waste system design.
A chemical drainage and vent system shall be design
ed and installed in ac-
cordance with this code. Chemical drainage and vent systems shall be completely separated from the sanitary systems. 
Chemical waste shall not discharge to a sanitary drainage system until such waste has been treated in accordance with
Section 803.
2.
803.3.1 Chemical drainage and vent pipe. 
Chemical waste and vent pipe shall conform to one of the standards 
listed in Table 803.3.1.
INDIRECT/SPECIAL WASTE
TABLE 803.3.1
CHEMICAL WASTE AND VENT PIPE
MATERIAL
STANDARD
Chlorinated polyvinyl chlo-
ride (CPVC) 
plastic
ASTM F 2618
Glass pipe
ASTM C 1053
High silicon cast iron
ASTM A 518 A/518 M
Polyolefin pipe
ASTM F 1412;
CSA B181.3
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673; CSA B181.3
803.3.2 Chemical drainage and vent pipe fittings. 
Chemical waste and vent pipe fittings shall conform to one of 
the standards listed in Table 803.3.2.
TABLE 803.3.2
CHEMICAL WASTE AND VENT PIPE FITTINGS
MATERIAL
STANDARD
Chlorinated polyvinyl 
chlo-
ride (CPVC) plastic
ASTM F 2618 
Glass
ASTM C 1053
High silicon iron
ASTM A 861
Polyolefin pipe
ASTM F 1412;
CSA B181.3 
Polypropylene (PP) pipe
ASTM F 1412
Polyvinylidene fluoride 
(PVDF) plastic pipe
ASTM F 1673;
CSA B181.3
‡‡‡
803.3.3 Chemical drainage and vent pipe installation. 
The installation of
chemical waste and vent pipe shall 
conform to Sections 704.1, 704.2, 704.3, 704.4, and 704.5.
803.3.4 Chemical drainage and vent pipe joints. 
This section contains provisions applica
ble to joints specific to 
chemical drainage and vent piping. Joints between different materials shall conform to Section 705.
803.3.4.1 CPVC plastic.
Joints between CPVC plastic pipe or fittings shall comply with Sections 803.3.4.1.1, 
803.3.4.1.2 and 803.3.4.1.3.
803.3.4.1.1
Mechanical joints. 
Mechanical joints shall be installed in accordance with the manufacturer’s 
instructions.
803.3.4.1.2 Solvent c
ementing. 
Joint surfaces shall be clean and free from moisture. Joints shall be made in 
accordance with the pipe manufacturer’s installation instructions. Where such instructions require that a pri-
mer be used, the primer shall be applied to the joint surfa
ces and a solvent cement orange in color and con-
forming to ASTM F 2618 shall be applied to the joint surfaces. Where such instructions allow for a one
-
step 
INDIRECT/SPECIAL WASTE
solvent cement, yellow in color and conforming to ASTM F 2618, to be used, the joint surfaces shall 
not 
require application of a primer before the solvent cement is applied. The joint shall be made while the cement 
is wet and in accordance with ASTM F 2618. Solvent cement joints shall be permitted above or below ground.
803.3.4.1.3 Threaded joints. 
Threa
ds shall conform to ASME B1.20.1. Schedule 80 or heavier pipe shall be 
permitted to be threaded with dies specifically designed for plastic pipe, but the pressure rating of the pipe 
shall be reduced by 50 percent. Thread by socket molded fittings shall be 
permitted. Approved thread lubri-
cant or tape shall be applied on the male threads only.
803.3.4.2 Borosilicate glass joints. 
Joints between Borosilicate glass pipe and fittings shall comply with Sec-
tions 803.3.4.2.1 and 803.3.4.2.2.
803.3.4.2.1 Mechanical 
joints.
Glass
-
to
-
glass connections shall be made with a bolted compression
-
type, 
300 series stainless steel
coupling with contoured acid
-
resistant elastomeric compression ring and a fluoro-
carbon polymer inner seal ring; or with caulked joints in accordance
with Section 
803.3.4.2.2
.
803.3.4.2.2 Caulked joints.
Lead
-
caulked joints
for hub and spigot soil pipe shall be firmly packed with 
oakum or hemp and filled with molten lead not less than 1 inch (25 mm) 
in depth
and not to 
recede
more 
than 
1
/
8
inch (3.2 mm
) below the rim of the hub. Paint, varnish or other coatings shall not be permitted on the 
jointing material until after the joint has been tested and approved. Lead shall be run in one pouring and shall 
be caulked tight. Acid
-
resistant rope and acidproof 
cement shall be permitted.
803.3.4.3 High silicon cast iron.
Joints in high silicon cast iron system shall be in accordance with Section 
705.4.
803.3.4.4 Polyolefin.
Joints between polyolefin plastic pipe and fittings shall comply with Sections 803.3.4.4.1
and 803.3.4.4.2.
803.3.4.4.1 Heat
-
fusion joints. 
Heat
-
fusion joints for polyolefin pipe and tubing joints shall be installed with 
socket
-
type heat
-
fused polyolefin fittings or electrofusion polyolefin fittings. Joint surfaces shall be clean 
and free from 
moisture. The joint shall be undisturbed until cool. Joints shall be made in accordance with 
ASTM F 1412 or 
CSA B181.3
.
803.3.4.4.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in accordance with the
manufacturer’s instructions
, and in conformance with acceptance criteria 
established by the commissioner
.
803.3.4.5 Polypropylene (PP) plastic.
Joints between PP plastic pipe and fittings shall comply with Section 
803.3.4.5.1 or 803.3.4.5.2.
803.3.4.5.1 H
eat
-
fusion joints. 
Heat
-
fusion joints for polypropylene pipe and tubing joints shall be installed 
with socket
-
type heat
-
fused polypropylene fittings, butt
-
fusion polypropylene fittings or electrofusion poly-
propylene fittings. Joint surfaces shall be clean 
and free from moisture. The joint shall be undisturbed until 
cool. Joints shall be made in accordance with ASTM F 1412.
803.3.4.5.2 Mechanical and compression sleeve joints. 
Mechanical and compression sleeve joints shall be 
installed in 
accordance with the manufacturer’s instructions.
803.3.4.6 Polyvinylidene fluoride plastic.
Joints between polyvinylidene plastic pipe and fittings shall comply 
with Sections 803.3.4.6.1 and 803.3.4.6.2.
803.3.4.6.1 Heat
-
fusion joints. 
Heat
-
fusion joints f
or polyvinylidene fluoride pipe and tubing joints shall be 
installed with socket
-
type heat
-
fused polyvinylidene fluoride fittings or electrofusion polyvinylidene fittings 
and couplings. Joint surfaces shall be clean and free from moisture. The joint shall 
be undisturbed until cool. 
Joints shall be made in accordance with ASTM F 1673.
803.3.4.6.2 Mechanical and compression sleeve joints.
Mechanical and compression sleeve joints shall be 
installed in accordance with the manufacturer’s instructions, and in con
formance with acceptance criteria 
established by the commissioner.
803.3.5 Chemical drainage and vent pipe cleanouts. 
Chemical waste and vent pipe cleanouts shall conform to 
Sections 708.1.1, 708.1.4, 708.1.5, 708.1.6, 708.1.8, 708.1.9, 708.1.10 and 
708.1.11.
803.3.6 Chemical drainage and vent pipe sizing. 
Sizing of
chemical waste and vent pipe shall conform to Sec-
tions 709 and 710.
INDIRECT/SPECIAL WASTE
803.3.7 Offsets in chemical drainage and vent pipe sizing. 
Offsets of
chemical waste and vent pipe shall conform 
to Sect
ion 711.
SECTION 
PC 
804
MATERIALS, JOINTS AND CONNECTIONS
804.1 General.
The materials and methods utilized for the construction and installation of indirect waste pipes and 
systems shall comply with the applicable provisions of Chapter 7.