Estimating in Building Construction

48 CHAPTER SIX Once the activity list has been developed, it can be orga- nized into a precedence diagram network schedule. A di ...

Overhead and Contingencies 49 FIGURE 6.5.Sample Schedule.  Ladders and stairs—used prior to permanent ones being installed  Te ...

50 CHAPTER SIX Many contractors either rent barricades or contract for sup- ply and maintenance. If so, Temporary Utilities  Te ...

Overhead and Contingencies 51 Professional Services  Surveys  Photographs  Testing To Estimate Cost. The amount of surveying ...

52 CHAPTER SIX How may the weather, climate, and season during which the project is to be constructed affect the overhead costs ...

53 7–1 LABOR HOURS AND PRODUCTIVITY The basic principles of estimating labor costs are discussed in this chapter; they form a ba ...

54 CHAPTER SEVEN and instinct are perhaps the best quality. When the condi- tions slow the progress of the work, a productivity ...

Labor 55 EXAMPLE 7-2 LABOR HOURS Type of work—8'' 8'' 16'' Concrete Masonry Units— Decorative Historical productivity rate—0.1 ...

56 CHAPTER SEVEN FIGURE 7.1.Published Productivity Rates. From Means Building Construction Cost Data 2007. Copyright RSMeans, Ki ...

Labor 57 negotiated, when the present contract expires, and what the results and attitudes during past negotiations have been. I ...

58 CHAPTER SEVEN SUTA tax is paid on varies from state to state. For example, in 2006, Texas companies paid SUTA tax on the firs ...

Labor 59 that are billable to a project and should not include vacation, holiday, and sick leave hours. Burdened Hourly Wage Rat ...

60 CHAPTER SEVEN FIGURE 7.3.Standard Crews. From Means Building Construction Cost Data 2007. Copyright RSMeans, Kingston, MA 781 ...

61 EQUIPMENT CHAPTER EIGHT 8–1 General One problem an estimator faces is the selection of equip- ment suitable to use for a give ...

62 CHAPTER EIGHT Assumptions: Fuel cost—$1.10 per gallon Consumption rate—0.06 gallons per hp per hour Power utilization—70% Use ...

Equipment 63 when the last payment is made. Since the balance on which interest is being charged ranges from 100 to 0 percent, t ...

64 CHAPTER EIGHT See Figure 8.2 for the total operating cost.  8–6 Rental Costs If a project is a long distance from the contra ...

Equipment 65 vary with the distance, type and amount of equipment, method of transportation used, and the amount of disman- tlin ...

66 9–1 General Calculating the quantities of earth that must be excavated is considered to be one of the most difficult aspects ...

Swell and Compaction. Material in its natural state is referred to as bank materials and is measured in bank cubic yards (bcy). ...