%0 Book %I Acres American Incorporated %D 1982 %C Buffalo, N.Y.? %G English %B Document (Susitna Hydroelectric Project) ; %T Unit prices - backup calculations, Watana Dam, development of unit costs. %U https://www.arlis.org/docs/vol1/Susitna/0/APA98.pdf %X A collection of hand-completed worksheets (called 'Calculations') with a few added tables and drawings from Acres American Incorporated regarding estimated costs for the Susitna Hydroelectric Project. These sheets cover rock excavation, cofferdams, rip-rap, overburden removal, gravel pit, concrete aggragate, downstream fill process, impervious fill, protective layer, rock surface preparation, drainage blanket, spillway excavation, river channel excavation, haul roads, dewatering, and construction wage rates.