1. The figure below shows the floor framing plan for a residence. Steel bridging (18 ga.) is required between the joists

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1 The Figure Below Shows The Floor Framing Plan For A Residence Steel Bridging 18 Ga Is Required Between The Joists 1 (51.25 KiB) Viewed 25 times

1 The Figure Below Shows The Floor Framing Plan For A Residence Steel Bridging 18 Ga Is Required Between The Joists 2 (19.97 KiB) Viewed 25 times

1 The Figure Below Shows The Floor Framing Plan For A Residence Steel Bridging 18 Ga Is Required Between The Joists 3 (26.85 KiB) Viewed 25 times

1. The figure below shows the floor framing plan for a residence. Steel bridging (18 ga.) is required between the joists at midspan for all joists longer than 8'-0". This bridging is not shown on the plan nor are the 2x6 treated sills around the perimeter of the building and the %" plywood subfloor. (60 pts) DOUBLE JOK UNDER WALL 24 8 242 325 EADER AA FOST DOUBLE 305 -242 JOIST HEADER 242 67 0 PARLE DE NEWA ·14--09 DOUBLE JOISK UNDER WALL 22050APER 242 JOST HEADER OVERHANG 12 27 ·CONC WALL FELLOW
a. Estimate the national average bare cost for the treated sills. (10 pts) b. Estimate the total national average bare cost of the girder. (10 pts) c. Estimate the total national average bare cost of the joists and joist headers. (10 pts) d. Estimate the total national average bare cost of the bridging. (10 pts) e. Estimate the total national average bare cost of the subfloor. (10 pts) f. Estimate the national average bare cost to insulate the floor with unfaced R-19 batts. (10 pts)
2. The roof of the residence shown in problem 1 is framed as a gable roof using trusses that have a slope of 8:12 and span across the short direction. The roof has a lookout that extends 1 ft beyond the outside walls on all four sides. (40 pts) a. Estimate the national average bare cost for the trusses assuming the 8:12 slope adds 20% to the cost of a 4:12 truss in RSMeans. (10 pts) b. c. Estimate the national average bare cost to for 1/2" plywood sheathing on the roof. (10 pts) Estimate the national average bare cost to shingle the roof with Class A, laminated shingles. Include the cost of the shingles, 15# felt underlayment, and the ridge shingles. (20 pts)