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Question 3.E: In a building construction project, 7,500 feet of insulated ...

In a building construction project, 7,500 feet of insulated ductwork is  required. The ductwork is made from 14-gauge steel costing $8.50 per pound.The  24-inch-diameter duct weighs  15 pounds per foot. Insulation  for the ductwork costs $10  per foot. Engineering  design will cost $16,000, and labor to install the ductwork will amount to $180,000. What is the total cost of the installed ductwork  for this  project?

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Material: (7,500 ft²)($8.50/lb)(15 lb/ft) + (7,500 ft)($10/ft) = $1,031,250
Design and labor: $16,000 + $180,000 = $196,000
Total cost = $1,227,250

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