• On numeric problems you need to show all you work and reference any tables you use.
• Short answer questions need to be complete sentence answers and not just a few words.
• Turing in work early is great but late work will be penalized. See last policy in course overview.
• It is recommended that you not wait until the last minute to submit and if you are having problems please let your instructor know.

Questions

• Chapter 7
• Chapter 8

Chapter 7 review questions 14, 16, 20, 23, 24 & 28

1. (14) During the construction of a recent residence, your company's finish carpentry crew installed 14 interior doors in 18 labor hours. Determine productivity rate in labor hours per door for installing doors on this project.
2. During the construction of a recent office building, your company's framing crew installed 400 lineal feet of 8-foot-high, metal-stud wall in three days. The crew consisted of two carpenters and two helpers and worked eight hours per day. Determine productivity rate in labor hours per foot of wall for installing metal-stud walls on this project.
3. (20) A number of dump trucks are used to haul asphalt from the plant to a road construction project. The estimated cycle time for the trucks is 55 minutes. The trucks carry 15 tons of asphalt per trip. Using a system efficiency of 50 minutes per hour and productivity factor of 1.1, determine the number of labor hours required to haul one ton of asphalt. Each truck requires one operator.
4. An asphalt paving crew is used to pave a 500-foot by 300-foot parking lot. The parking lot will be paved in 12-foot-wide strips running the long (500-foot) direction. The machine paves 11 lineal feet of 12-foot-wide parking lot per minute. A single lift of asphalt will be used on the parking lot. After completing a pass, it takes the crew 10 minutes to turn the paving machine around and get ready for the next pass. How many paving machine hours are required?
5. Given the following information, determine the burdened hourly wage rate for a carpenter. Assume the carpenters take full advantage of the retirement benefit.

Wage rate$23.00 per hour

Hours worked45 hours per week for 30 weeks, and 40 hours per week for 20 weeks

Vacation, holidays, and sick leaveTwo weeks at 40 hours per week

OvertimeTime-and-a-half for any hours over 40 per week

Gas allowance$150 per month

Annual bonus$300

Social Security6.2 percent on the first $127,200 of wages

Medicare1.45 percent of all wages

FUTA0.6 percent on the first $7,000 of wages

SUTA5.8 percent on the first $10,000 of wages

Worker's compensation insurance$12.25 per $100.00 of wages

General liability insurance0.55 percent of wages

Health insurance (company's portion)$450 per month per employee

Retirement$0.50 per $1.00 contributed by the employee on 6 percent of the employee's wages

1. A carpentry crew consists of one foreperson, five carpenters, and three laborers. The bare hourly wage rate and labor burden for each class of employee is found in Table 2. What is the weighted average burdened wage rate for the crew?

Class	Bare Hourly Wage	Labor Burden
Foreman	$18.75	$6.29
Carpenter	16.25	5.78
Laborer	13.8	5.27

Chapter 8 review questions 5, 7, 9, and 12

1. (5) Why should interest be included in the equipment costs if the contractor paid cash for the equipment?
2. (7) Why is it important that reports from the field pertaining to equipment be kept?
3. (9)Using the following information, determine the ownership and operating costs for a scraper.

Actual cost (delivered)$162,000 including tires

Horsepower rating200 hp

Cost of tires$6,000

Salvage value$32,400

Useful life6 years at 1,400 hours per year

Total interest7 percent per year

Insurance$3,240 per year

Taxes$3,645 per year

Storage$2,025 per year

Fuel cost$3.90 per gallon

Fuel consumption rate0.06 gallons per hp per hour

Power utilization85 percent

Use factor40 minutes per hour (66.67 percent)

Lubrication8 quarts of oil at $4.50 per quart

Oiler labor2.2 hours at $27.65

Lubrication scheduleevery 100 hours

Oil filter$8.70

Grease1 tube per 8 hour shift at $7.00

Air filter$17.00 changed every 200 hours

Life of tires3,500 hours

Repair to tires12 percent of deprecation

Repairs to equipment120 percent over useful life

1. (12) Call a local equipment rental company and get the monthly rental rate for a telescoping forklift. Find out what costs are included in the monthly rental; and what costs the renter must cover in addition to the monthly rent. Using the procedures in this chapter or data supplied by the rental company, prepare a monthly cost for the forklift that includes all costs for the forklift.