CP 4 PROCEDURE FOR COMPUTATION OF BUILDING AREA
1. The A/E shall submit to the Contracting Officer a report of the gross area of his design at each of his submissions.
2. The A/E shall prepare the gross area computation as follows: Submit a small scale plan of each individual floor.
Subdivide each floor into rectangles with each rectangle designated by a capital letter. List all the letters on one floor
alphabetically. Clearly indicate length and width of each lettered area and the total square footage of each lettered area in
tabular form. Show the sum of these areas as the "Designed Gross Area."
3. Area Computation: (See Diagram Below)
4. List of Computations:
First Floor
Area
L.
W.
S.F.
A
X
Y
=s.f.
B
X
Y
=s.f.
CC
X
Y
=s.f.
Etc.
X
Y
=s.f.
Designed Gross Area for the first floor: s.f.
(Similar computation for every floor)
Recapitulation
Basement
1st floor
s.f.
nd
2 floor
s.f.
Penthouse
s.f.
Total Designed
Target Gross
Gross Area _______________s.f.
Square Footage __________s.f.
5. Special areas to be considered:
a. Exterior Stacks and Chimneys
Count free standing masonry stacks only once. Exterior masonry stacks attached to the building are counted on
each floor. Exterior stacks that are not enclosed in masonry are not counted.
b. Areas which are not counted in gross area:
Pipe basement or crawl space
Areaways, either grilled over or open
Cat-Walks
Outside ramps or steps (without cover)
Cooling towers
Exposed mechanical equipment enclosed with a screen wall but not roofed
Fuel tanks or pneumatic tanks placed underground
Oxygen storage tanks placed on a slab at ground level, enclosed by a fence or screen
Mezzanine or balcony in two-story rooms when mezzanine or balcony is a grille floor without equipment
Porches
Outside balconies
Areaways
Loading platforms
Covered driveways
Other roofed areas or passage without enclosing walls
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