Update data/building_components.py

data/building_components.py

@@ -1,6 +1,7 @@
 """
 Building component data models for HVAC Load Calculator.
 This module defines the data structures for walls, roofs, floors, windows, doors, and other building components.
+Reference: ASHRAE Handbook—Fundamentals (2017), Chapter 18, Section 18.2.
 """
 
 from dataclasses import dataclass, field
@@ -264,6 +265,8 @@ class Floor(BuildingComponent):
     floor_type: str = "Custom"  # Slab-on-grade, Raised, etc.
     is_ground_contact: bool = False
     perimeter_length: float = 0.0  # m (for slab-on-grade floors)
+    insulated: bool = False  # Added to indicate insulation status
+    ground_temperature_c: float = None  # Added for ground temperature in °C
     
     def __post_init__(self):
         """Initialize floor-specific attributes."""
@@ -277,7 +280,9 @@ class Floor(BuildingComponent):
         floor_dict.update({
             "floor_type": self.floor_type,
             "is_ground_contact": self.is_ground_contact,
-            "perimeter_length": self.perimeter_length
+            "perimeter_length": self.perimeter_length,
+            "insulated": self.insulated,
+            "ground_temperature_c": self.ground_temperature_c
         })
         return floor_dict