Question

Calculate the minimum cost of this operation given that:

The transportation costs are $5.00 per cubic yard per mile

The cost of dumping excess material in the spoil area is $0.50 per cubic yard

The cost to excavate for the borrow pit is $1.00 per cubic yard

No more than 50,000 cubic yards can be cut from the borrow pit

Spoils area Fill 15,000 yd3 2 mi Cut 20,000 yd3 Cut 10,000 yd3 Fill 20,000 yd3 Cut 30,000 yd3 10 mi 2 mi-10 mi 5 mi- Not to scale Borroww pit Fill 15,000 yd3

Answer 1