Estimating in Building Construction

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EXAMPLE 13-27 PRICED FRAMING ESTIMATE


170 CHAPTER THIRTEEN


Light Framing Unit Labor Hours
Sills 100 l.f. 2.0 to 4.5
Joists, floor and ceiling MBM 16.0 to 24.0
Walls, interior, exterior (including plates) MBM 18.0 to 30.0
Rafters, gable roof MBM 18.5 to 30.0
hip roof MBM 22.0 to 35.0
Cross bridging, wood 100 sets 4.0 to 6.0
metal 100 sets 3.0 to 5.0
Plywood, floor 100 s.f. 1.0 to 2.0
wall 100 s.f. 1.2 to 2.5
roof 100 s.f. 1.4 to 2.8
Trim, fascia 100 l.f. 3.5 to 5.0
soffit 100 l.f. 2.0 to 3.5
baseboard 100 l.f. 1.5 to 2.5
molding 100 l.f. 2.0 to 4.0

FIGURE 13.55.Labor Hours Required for Framing.

The summary sheet in Figure 13.56 is for all of the framing in the
residence in Figure 13.8.


FIGURE 13.56.Framing Estimate. 

13–9 Wood Systems


Wood is used as a component in several structural systems,
among them wood trusses, laminated beams, wood deck-
ing, and box beams. Wood is used for a variety of reasons:
The wood trusses are economical, whereas the laminated
beams and box beams are both economical and used for
appearance.


13–10 Wood Trusses


Wood joists with spans in excess of 150 feet are readily
available. The cost savings of these types of trusses com-
pared with steel range as high as 25 percent: Less weight is
involved, and the trusses are not as susceptible to trans-
portation and erection damage. Decking is quickly and eas-
ily nailed directly to the chords. Trusses of almost any
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