CBECC-Res USER MANUAL FOR CALIFORNIA BUILDING

CBECC User Manual

Building Envelope

7.2.7.3 Door Status

The default is new for new construction or if part of an addition. Other options include altered and existing.

7.2.7.4 Door Area

Enter the door area, in square feet.

7.2.7.5 U-factor

Default value is 0.50 for opaque doors, 1.00 for the large garage doors (roll-up or wood). Other values allowed are from Joint Appendix 4, Table 4.5.1, only.

7.2.8 Garage Door

When modeling a garage zone, the large garage doors (metal roll-up or wood) are modeled with a

1.00 U-factor.

7.3 Raised Floor

When creating a raised floor over a crawl space, the software will create the associated crawl space zone. When a raised floor is over an unconditioned space, such as a garage, model this as an interior floor (with the adjacent zone being the garage).

A raised floor over exterior is when there is no crawl space and no unconditioned space underneath the floor (floor extends out beyond the first floor walls).

7.3.1 Floor over Exterior or Crawl Space

Figure 7-9: Raised Floor

7.3.1.1 Exterior Floor Name

User-defined name. If the building plans have a unique identifier, that should be used here to assist in the plan checking and inspection processes.

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