Class Name: zone_floor
Description: Characteristics of the floor of a zone. This can be the floor between zones (interzone), an exposed floor, or an underground floor such as a slab.
Parent Class: zone
Number of Instances: 0...N
Attributes:
Validation/Rules:
1. There must be an opaque_construction object named the same as zone_floor.opaque_construction
Notes:
The type of floor is determined by the construction name not by the type attribute:
FLR1, FLR2 - underground floor
FLR3, FLR4 - exposed floor
FLR5, FLR6 - interzone floor