Estimating in Building Construction

148 CHAPTER THIRTEEN corners. This type of accuracy is required only when the planning of each piece of wood is involved on a se ...

Wood 149 EXAMPLE 13-4 JOIST QUANTITY FIGURE 13.8. Floor Plan. Joist length 12(refer to Figures 13.8, 13.9, 13.10, and 13.11) /f ...

150 CHAPTER THIRTEEN FIGURE 13.11.Joist/Girder Details.  Trimmers and Headers. Openings in the floor, such as for stairs or fir ...

Wood 151 FIGURE 13.13.Single Trimmers and Headers. FIGURE 13.14.Double Trimmers and Headers. EXAMPLE 13-5 HEADER AND TRIMMER JOI ...

FIGURE 13.17.Joist Openings. 152 CHAPTER THIRTEEN FIGURE 13.15.Typical Floor Openings. FIGURE 13.16.Joist Layout. ...

Wood 153 FIGURE 13.18.Headers/Trimmers.  Joist headersare taken off next. The header runs along the ends of the joist to seal t ...

154 CHAPTER THIRTEEN Purchase Quantity Size Length (lf ) Pieces 2  10 10 10  Bridgingis customarily used with joists (except f ...

Wood 155 EXAMPLE 13-8 PLYWOOD QUANTITY Sheets of plywood  50 ¿ 24 ¿ 32 sf/sheet 37 .5 sheets — Use 38 Sheets of plywood squ ...

156 CHAPTER THIRTEEN 13–4 Wall Framing In this section, a quantity takeoff of the framing required for exterior and interior wal ...

Wood 157 Estimating Steps Review the specifications and drawings for the thickness and spacing of studs and lumber grade. The e ...

158 CHAPTER THIRTEEN EXAMPLE 13-13 INTERIOR WALLS INTERSECTING EXTERIOR WALLS FIGURE 13.28.Floor Plan.  Refer to Figures 13.27 ...

Wood 159 In this example, there is no indication that openings have been worked into the framing module. For this reason, an ave ...

160 CHAPTER THIRTEEN 5.Additional studs are also required on the gable ends of the building (Figure 13.33), which will have to b ...

Wood 161 FIGURE 13.36.Headers. FIGURE 13.37. 2 Header Construction. require 2 each 2 headers with a 1/2plywood or 5/16 OSB s ...

162 CHAPTER THIRTEEN EXAMPLE 13-16 FIGURE 13.38.Header Example. Header Quantity No. of Openings Size Header Length Pieces 93  0 ...

Wood 163 board sheathing must be covered by another material (such as brick, wood, or aluminum siding), while the plywood may be ...

164 CHAPTER THIRTEEN EXAMPLE 13-18 INTERIOR AND EXTERIOR WALL WORKUP SHEETS Following are the workup sheets (Figure 13.44) for t ...

Wood 165 The headers and trimmers required for any openings (such as stairways, fireplace, and attic access openings) are consid ...

166 CHAPTER THIRTEEN 13–6 Roof Assembly In this section, a quantity takeoff of the framing required for the roof assembly of a w ...

Wood 167 Headers and Trimmers. Headers and trimmers are required for any openings (such as chimneys) just as in floor and ceilin ...