Estimating in Building Construction

88 CHAPTER NINE The trees and shrubs required for the project will gener- ally be handled by a subcontractor who specializes in ...

Excavation 89 removing fences and rails removing boulders wrecking old buildings Foundations: underpinning existing buildings di ...

90 CHAPTER NINE Check the soil borings for the kind of soil recorded and the approximate depth the piles must be driven. The acc ...

Excavation 91 EXAMPLE 9-19 ASPHALT TAKEOFF Determine the quantity of asphalt and subgrade material required for the parking lot ...

92 10–1 Concrete Work The concrete for a project may be either ready mixed or mixed on the job. Most of the concrete used on com ...

List each of the concrete items required on the project. Determine the quantities required from the working drawings. Footing s ...

94 CHAPTER TEN This sketch shows how the footing dimensions for side G were determined. Figure 10.3 is a tabulation of all dimen ...

Concrete 95 FIGURE 10.6.Volume in Bells 50-Degree Angle (top) and 60-Degree Angle (bottom). EXAMPLE 10–3 DRILLED PIER From the s ...

96 CHAPTER TEN The remaining element of the drilled piers is to determine the volume of the shaft, which is done by subtracting ...

Concrete 97 Use 63 cy  Quantity of concrete in exterior foundation walls62.9 cy 59.9 cy1.05 Quantity of concrete in exterior ...

98 CHAPTER TEN FIGURE 10.11.Grade Beam Details. FIGURE 10.10.Grade Beam Location. FIGURE 10.12.Foundation Wall and Grade Beam Ta ...

Concrete 99 FIGURE 10.13.Slab Areas. FIGURE 10.14.Foundation Wall and Slab Detail. FIGURE 10.15.Slab Area. EXAMPLE 10-7 CONCRETE ...

100 CHAPTER TEN FIGURE 10.17.Labor Productivity Rates—Placing Concrete. Productivity Rate Type of Placement (Labor Hours/c.y) Co ...

FIGURE 10.18. Cast-In-Place Concrete Estimate Summary. 101 ...

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 ...