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The following figures are used for the test questions for this chapter:

Question : The following figures are used for the test questions for this chapter: : 2152188

ESSAY. Write your answer in the space provided or on a separate sheet of paper.

The following figures are used for the test questions for this chapter:

Figure 1: Site Plan

Figure 2: Landscaping Plan

1) Determine the tons of base required to complete 2,200 feet of road 24 feet wide. The base has a compacted weight of 130 pounds per cubic foot and is 10 inches thick.

2) Determine the tons of asphalt required to complete 2,200 feet of road 24 feet wide. The base has a compacted weight of 150 pounds per cubic foot and is 3.5 inches thick.

3) How many cubic yards of concrete are required to construct a 125-foot by 4-foot by 4-inch thick concrete sidewalk? Include 8% waste. Concrete must be ordered in 1/4-cubic-yard increments.

4) Determine the tons of base required to complete the parking lot in Figure 1. The base has an average thickness of 8 inches and a density of 110 pounds per cubic foot. The curb is 6 inches wide and has an inside radius of 5 feet.

5) Determine the tons of asphalt and base required to complete the parking lot in Figure 1. The asphalt has an average thickness of 3 inches and a density of 145 pounds per cubic foot. The curb is 6 inches wide and has an inside radius of 5 feet.

6) Determine the volume of concrete needed to complete the curb in Figure 1. The curb is 6 inches wide by 18 inches high. Include 10% waste. Concrete must be ordered in 1/4-cubic-yard increments.

7) The site shown in Figure 2 requires 4 inches of topsoil. The bark is two inches thick. Determine the topsoil, bark, and landscaping plants required to complete the planter.

8) Excel Quick Tip 17-1: Asphalt or Base

Calculate the number of tons of asphalt needed for a 10,000 square foot parking lot if the asphalt is 5 inches thick and has a density of 155 pounds per cubic foot.

The following figures are used for the test questions for this chapter:

Figure 1: Sewer Line Plan and Profile

Figure 2: Sewer Line Cross Section

9) A 20-inch-wide by 3-foot-deep trench is dug in the ground and a water line with a 4.75 inch outside diameter is placed in the trench. The water line is placed on 5 inches of bedding, and bedding surrounds the pipe to a height of 2.25 inches above the water line. The length of the trench is 800 feet. Determine the volume of excavation needed for the water line.

10) A 20-inch-wide by 3-foot-deep trench is dug in the ground and a water line with a 4.75 inch outside diameter is placed in the trench. The water line is placed on 5 inches of bedding, and bedding surrounds the pipe to a height of 2.25 inches above the water line. The length of the trench is 800 feet. How much bedding is needed?

11) A 20-inch-wide by 3-foot-deep trench is dug in the ground and a water line with a 4.75 inch outside diameter is placed in the trench. The water line is placed on 5 inches of bedding, and bedding surrounds the pipe to a height of 2.25 inches above the water line. The length of the trench is 800 feet. The water line is constructed of 20-foot-long pipes with a bell and gasket on one end. How many pieces of pipe are needed?

12) A 20-inch-wide by 3-foot-deep trench is dug in the ground and a water line with a 4.75 inch outside diameter is placed in the trench. The water line is placed on 5 inches of bedding, and bedding surrounds the pipe to a height of 2.25 inches above the water line. The length of the trench is 800 feet. How much backfill is needed for the water line?

13) A utility contractor is to install the sewer line whose plan and profile are shown in Figure 1. The trench is to have the cross section shown in Figure 2. Using the average-end method, determine the volume of excavation in cubic yards needed to install the sewer line. The excavation for the manhole is to be 6 feet by 6 feet and two feet deeper than the flow line at the manhole.

14) A utility contractor is to install the sewer line whose plan and profile are shown in Figure 1. The trench is to have the cross section shown in Figure 2. Using Eq. (18-1), determine the volume of excavation in cubic yards needed to install the sewer line. The excavation for the manhole is to be 6 feet by 6 feet and two feet deeper than the flow line at the manhole.

15) A utility contractor is to install the sewer line whose plan and profile are shown in Figure 1. The trench is to have the cross section shown in Figure 2. The pipe is bedded in gravel. The depth of the gravel is 1 foot and the pipe is bedded into the gravel 4 inches. The outside diameter of the sewer pipe is 9 inches. Ignoring the manhole, determine the quantity of gravel needed for the sewer line.

16) A utility contractor is to install the sewer line whose plan and profile are shown in Figure 1. The trench is to have the cross section shown in Figure 2. The pipe is surrounded by gravel. The depth of the gravel is 20 inches. The outside diameter of the sewer pipe is 9 inches. Twelve inches of bedding is also placed below the manhole. Determine the quantity of gravel needed for the sewer line.

17) Determine the utility components needed for the sewer line in Figure 1. The pipe is available in 20-foot lengths and includes a bell with a gasket at one end.

18) A utility contractor is to install the sewer line whose plan and profile are shown in Figure 1. The trench is to have the cross section shown in Figure 2. The excavation for the manhole is to be 6 feet by 6 feet and two feet deeper than the flow line at the manhole. The pipe is surrounded by gravel bedding. The depth of the gravel is 20 inches. Determine the volume of backfill for the sewer line. The manhole has an outside diameter of 4 feet and its bottom is one foot below the flow line.

19) Excel Quick Tip 18-1: Trench Excavation Using Average-end Method

Using the average-end method, determine the volume of excavation for a 300-foot-long trench. Sections for the ends of the trench are shown in the figure below.

20) Excel Quick Tip 18-2: Trench Excavation Using Modified Average-end Method

Using the modified average-end method, determine the volume of excavation for a 300-foot-long trench. Sections for the ends of the trench are shown in the figure below.

21) Excel Quick Tip 18-3: Trench Excavation Using Eq. (18-1)

Using the Equation 18-1 from the book, determine the volume of excavation for a 300-foot-long trench. Sections for the ends of the trench are shown in the figure below.

22) Excel Quick Tip 18-4: Bedding Volume for Pipe Resting on Bedding

Determine the number of cubic yards of bedding material needed for 500 feet of 36-inch, outside-diameter pipe buried 2 feet in the bedding. The total depth of the bedding is 3 feet and the width of the trench is 5 feet.

23) Excel Quick Tip 18-5: Bedding Volume for Pipe Surrounded by Bedding

Determine the number of cubic yards of bedding material needed for 500 feet of 36-inch, outside-diameter pipe. There is six inches of bedding below the pipe and six inches of bedding above the pipe. The width of the trench is 5 feet.

Solution
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