Calculation of Estimate


The cross-sections are AA', BB', and CC'. Assume there are positions so that each is the center of one third of the pile. So with 450 feet total there would be approximately 150 feet between AA' and BB' and approximately 150 feet between BB' and CC'. That would leave 75 feet on each end.

Cross-section AA'

(10.25 ft.)(180 ft) = 1845 sq. ft.

(1845 sq. ft.)(150 ft.) = 276750 cu. ft.

Cross-Section BB'

(12.75 ft.)(220 ft.) = 2805 sq. ft.

(2805 sq. ft.)(150 ft.) = 420750 cu. ft.

Cross-Section CC'

(11.75 ft)(210ft) = 2467.5 sq. ft.

(2467.5 sq. ft.)( 150 ft) = 370125 cu. ft.

Total

276750 cu. ft. + 420750 cu. ft.+ 370125 cu. ft. = 1044000 cu. ft.


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