Some Engineering Problems Of The Panama Canal In Their Relation To Geology And Topography

______________________________ _____________ ______ ___________________ _______ COST OF CONSTRUCTION. CO Cost of trestles, per cubic yard.............................................. §0.1753 Cost of tug service, miscellaneous, per cubic yard...............................0840 Cost of maintenance of equipment, miscellaneous, per cubic yard...............0393 Division expense, per cubic yard................................................2045 _______ Total division cost, per cubic yard................................. 4. 8250 Administrative and general expenses, per cubic yard..........................4056 Total cost, large rock, per cubic yard................................. 5.2306 SAND. A comparative statement of the cost of sand on the Atlantic and on the Pacific sides follows: Cost of sand for the canal during the fiscal years 1911 and 1912. Item. Atlantic Division, Nombre de Dios. Pacific Division, Chame. 1912 1911 1912 1911 Quantity of sand obtained: 1 29,539 Cost................ 1 SO. 7975 By dredging, cubic yards Cost of operation of dredges Cost of maintenance and equipment Total 144,123 1 412,380 564,837 494,841 SO. 1913 . 1309 SO.2444 . 1010 80.0905 .0403 SO. 0926 .0354 .3222 .3454 .1308 .1280 Total production, cubic yards Operating cost, per cubic yard Cost of plant, arbitrary, per cubic yard Division expense, per cubic yard Total cast of production, per cubic yard Cost of towing, per cubic yard. Operation of tugs and barges Maintenance of equipment Plant, arbitrary 144,123 . 441,919 554,837 494,841 $0.3222 .7890 .0096 SO. 3756 .4740 .0299 SO. 1308 .0202 .0137 SO. 1280 .0300 .0208 1.1208 .8795 .1647 .1788 .2235 .1311 .2820 .2084 .1130 .2209 .0936 .0493 .0309 .1067 . 0553 .0649 Total .6366 .5423 .1738 .2269 Cost of unloading, per cubic yard: Operation of cableways and cranes Power .1027 .0189 .0712 .2170 .1189 .0188 .0782 .1496 .0646 .0196 .0335 .0545 .0532 . 0284 .0599 .1067 Maintenance of equipment Plant, arbitrary Total .4098 .3655 .1722 .2482 Rail transportation to storage: Quantity transported, cubic yards Cost of operation of trains 60,494 157,967 564,837 475,422 80.0993 .0096 SO. 0982 .0163 .0002 .0787 SO.0403 .0369 .0120 .0241 .0785 $0.0462 .0197 * .0134 .0174 .0849 Cost of dumping storage Cost of maintenance of equipment Cost of plant, arbitrary .0677 Total .1766 .1934 .1918 .1816 Total cost of storage i 2.2414 J 1.8565 .7025 .8284