Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics (1918)
Gillette, Halbert Powers, 1869-, Dana, Richard Turner, 1876-1928, joint author · New York, McGraw-Hill · leaf 909
10 x 10 ins. by 4.5 ft. Unskilled labor is em-ployed in the molding and two men can mold ten bases per 8 hr.day. The cost of molding is as follows per base: 2 men at $2 per day $0.40 Brace irons per set 2.50 1/9 cu. yd. stone at $4.05 0.45 40 lbs. cement at 1.5 cts 0 60 Sand 0.15 Total cost $4.10… … W-/0 -J Fig. 2. Concrete base for wooden poles. cases they were placed under poles without interrupting service bysawing off the pole, dropping it into the ground, placing the newbase and setting the sawed-off pole on it and bolting up the straps. OVERHEAD ELECTRICAL TRANSMISSION 887 Cost of…
