You are an engineer with Ace Foundations, Inc. Your company has been hired to build a 165-foot foundation wall for the construction of a house. You have calculated that the drainage line around the wall will take 1 cubic yard of gravel for every 5 feet of wall. a. If a contractor’s wheelbarrow has a 1 3 cubic yard capacity, how many wheelbarrow loads of gravel will be needed? b. If your company typically builds this type of a wall at an average rate of 71 2 feet per hour, how many hours will it take to build the foundation wall? c. Each load of gravel costs $4. The wall materials cost $13 per foot, and labor costs $62 per hour. If $2,700 profit is to be added to the job, how much is the total charge to build the foundation wall?
You are an engineer with Ace Foundations, Inc. Your company has been hired to build a 165-foot foundation wall for the construction of a house. You have calculated that the drainage line around the wall will take 1 cubic yard of gravel for every 5 feet of wall.
a. If a contractor’s wheelbarrow has a 1 3 cubic yard capacity, how many wheelbarrow loads of gravel will be needed?
b. If your company typically builds this type of a wall at an average rate of 71 2 feet per hour, how many hours will it take to build the foundation wall?
c. Each load of gravel costs $4. The wall materials cost $13 per foot, and labor costs $62 per hour. If $2,700 profit is to be added to the job, how much is the total charge to build the foundation wall?
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