Prepare a structural steel materials list for the roof-framing plan shown in Figure 1. The columns are 20 feet high. The flange width for the W16×77 is 10 1/4 inches. The properties of the columns are found in Table 1. Determine the number of pounds of steel that need to be purchased for the roof in Figure 1. The columns are 20 feet high. The flange width for the W16×77 is 10 1/4 inches. The properties of the columns are found in Table 1.
Column: C1 C2
Size W12×40 W12×50
Flange Width (in) 8.005 8.080
Depth (in) 11.94 12.19
2. Using the geometric method determine the amount of excavation required for the basement in below Figure 2. The basement measurements are from the outside of the foundation walls. The average depth of the excavation is 7 feet. The footings extend 1 foot outside of the foundation walls, and a 2-foot space between the footing and the sides of the excavation must be provided to form the footings. The soil is excavated at a 1.5:1 (horizontal:vertical) slope. Express your answer in cubic yards.
3. The perimeter of the floor system in below Figure 3 sits on a redwood sill. Determine the number of 16-foot-long pieces of redwood that are needed to complete the floor system. Determine the materials needed to construct the joists and joist headers for the floor system. An engineered rim board is used for the joist headers. Determine the number of 4-foot by 8-foot sheets of 23/32 T&G OSB sheathing that are needed to construct the floor system.
4. Using a waste factor of 8 percent, determine the number of cubic yards of concrete needed to pour and the amount of rebar needed for two of the spread footings in below Figure 4. Allow for two inches of cover.
5. Determine the number of modular bricks needed and labour hours for the wall in below Figure 5. Assume that 675 bricks are required for 100 square feet of wall. Add 4 percent for waste.
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