Estimating in Building Construction
102 CHAPTER TEN Mesh reinforcing may be a welded wire mesh or expanded metal. Welded wire mesh is an economical rein- forcing fo ...
Concrete 103 The bar length is 2 10 , which is derived by subtracting the cover- age distance (22) from the footing width (3 ...
104 CHAPTER TEN EXAMPLE 10-11 REINFORCING DRILLED PIERS Estimating the reinforcing in the drilled piers consists of counting the ...
Concrete 105 FIGURE 10.24.Grade Beam Details. FIGURE 10.25.Reinforcing Steel Quantity Takeoff. EXAMPLE 10-12 GRADE BEAMS The g ...
106 CHAPTER TEN FIGURE 10.25.(Continued) FIGURE 10.26.Reinforcing Productivity Rates. Productivity Rate Type of Placement (Labor ...
Concrete 107 EXAMPLE 10-14 LABOR COSTS FOR CONTINUOUS FOOTINGS Determine the labor cost for placing the reinforcing steel for th ...
108 CHAPTER TEN 10–5 Accessories Any item cast into the concrete should be included in the con- crete takeoff. The list of items ...
Concrete 109 floors include hand or machine troweled, carborundum rubbing (machine or hand), wood float, broom, floor hard- ener ...
110 CHAPTER TEN Labor. The time required for finishing the concrete can be estimated from the information provided in Figure 10. ...
Concrete 111 for 100 cy in about one to two labor hours, depending on the type of heater and fuel being used. Fuel and equipment ...
112 CHAPTER TEN The forms for concrete footings, foundations, retaining walls, and floors are estimated by the area (in square f ...
Concrete 113 EXAMPLE 10-17 FOUNDATION WALL FORMS Determine the labor costs associated with placing the 3 8 -high foundation wa ...
114 CHAPTER TEN pieces required. Being able to use them several times is what reduces the cost. Dividing the total cost of the l ...
Concrete 115 most common types of structural precast concrete are dou- ble and single tees, floor planks, columns, beams, and wa ...
116 CHAPTER TEN Beams and columns are taken off by the linear foot with each required size kept separately. Anchorage devices, i ...
Concrete 117 aggregates, and strength specified must also be noted. Any inserts, anchors, or special requirements must be noted ...
(g) Strip from form and stockpiling to finish curing. (h)Erect the concrete on the job. If poured off the site, it will also be ...
119 MASONRY CHAPTERELEVEN 11–1 General The term masonryencompasses all the materials used by masons in a project, such as block, ...
120 CHAPTERELEVEN FIGURE 11.1.Typical Concrete Block Patterns. the quantity takeoff, the estimator must keep the amounts require ...
Masonry 121 determine what sizes and shapes are available (Figure 11.5). If the order requires a large number of special units, ...
«
16
17
18
19
20
21
22
23
24
25
»
Free download pdf