310
Structure: Target Costs
317
TARGET COSTS
317.1
RANGE
The cost of the components included in the structural subsystem should
range between .00 and .45 per square foot of framing, or .60 and
.30 per OGSF of building. (ENR Building Cost Index = 960.) For a
discussion of these costs, see Section 751.2.1.
317.2
SCOPE
317.2.1
Included
1. Horizontal: primary and secondary spanning members at floors and
roof including girders, beams, slabs and topping slabs;
2. vertical: columns and loadbearing walls;
3. lateral bracing;
4. passive fire protection of structural components;
5. provision for structural discontinuities; and
6. attachments for ceiling-platform hangers.
317.2.2
Excluded
1. Foundations;
2. slabs on grade;
3. retaining walls;
4. projections above structural roof members such as fascias,
penthouses and parapets;
5. canopies;
6. exterior walls;
7. stairs, except where their enclosures acts as vertical support and/or
lateral bracing;
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