UFC 4-721-10
31 July 2002
2-8.3
Half Scope Items: When calculating Gross Building Area
allowances per Apartment, Room, or Module for programming purposes, count
the following as Half-Scope:
Balconies and Exterior Covered Areas over 2 m2 (21.5 ft2), and
measure from the face of the enclosure wall to the edge of the
covered area;
Stairs and Stairwells; half of the horizontal projection of the stair per
floor they serve.
Elevators and shafts (count as half scope per floor that they serve);
Chases used for mechanical, electrical or plumbing count as half
area per floor that they serve..
2-8.4
Excluded Scope Items: When calculating Gross Building Area
Allowances for programming, do not include the following:
Roof overhangs;
Mechanical equipment balconies;
Exterior sidewalks that serve rooms at ground level.
2-8.5
Additional Gross Area: Multi-level construction requires
additional structural and mechanical support. Therefore, for buildings above 3
stories an additional area may be added to the allowable gross building area.
This must be identified and justified as a separate item in the DD 1391
documentation. Refer to each Apartment, Room, or Module chapter for a
description of the specific added allowance.
2-9
GROSS APARTMENT, ROOM, OR MODULE AREA. Gross
Apartment, Room, or Module area is defined as the area within the walls
comprising the perimeter of an Apartment, Room, or Module.
Wall thickness and chase areas within the perimeter walls are
included in the Gross Apartment, Room, or Module Area.
Gross Apartment, Room, or Module Area is measured from the
centerline of perimeter walls shared with interior corridors, common
chases, or other rooms.
Gross Apartment, Room, or Module Area is measured to the
outside face of exterior walls.
Corner rooms with two exterior walls should have the same interior
dimensions as other rooms, even though, technically, the Gross
2-6
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