PROCEDURE FOR COMPUTATION OF BUILDING GROSS AREA
l. 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 rectangle
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 meters (footage) of each lettered area in tabular
form. Show the sum of these areas as the "Designed Gross Area".
3.
Area Computation: (See Attached Diagram)
4.
List of Computations:
First Floor Area
L
W
m2 (S F.)
A
X
Y
=
m2 (s.f.)
B
"
"
=
CC
"
"
=
etc.
"
"
=
Design Gross Area for the first floor:
m2 (s.f.)
(Similar computation for every floor)
Recapitulation
Basement
m2 (s.f.)
1st floor
m2 (s.f.)
2nd Floor
m2 (s.f.)
Penthouse
m2 (s.f.)
Total Designed
Target Gross
Gross Area _________ m2 (s.f.)
Area
__________ m2 (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 an each floors. 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)
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
Leading platforms
Covered driveways
Other roofed areas or passage without enclosing walls
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