Engineering and Contracting . The original plan called for a channel200 ft. wide through Culebra Cut: the newplans increased the width to 300 ft. These changes naturally increased theprobable cost of the canal and because ofthem and for other reasons a new estimateof cost was made m 1908 by the IsthmianCanal Commission. This estimate comparedwith that of 1906 is given in detail in TableII. In explanation of this estimate Chief En-gineer Goethals in his report for 1909 said: The act of June 28, 1902, authorized the con-struction ot the canal and made provisions forthe necessary funds, the amoun
Engineering and Contracting . The original plan called for a channel200 ft. wide through Culebra Cut: the newplans increased the width to 300 ft. These changes naturally increased theprobable cost of the canal and because ofthem and for other reasons a new estimateof cost was made m 1908 by the IsthmianCanal Commission. This estimate comparedwith that of 1906 is given in detail in TableII. In explanation of this estimate Chief En-gineer Goethals in his report for 1909 said: The act of June 28, 1902, authorized the con-struction ot the canal and made provisions forthe necessary funds, the amount stipulated be-ing based on the report of the board of en-gineers in its report of 1899-1901, and aggregat-ing $144,233,358, Including sanitation and modification of the plans then submitted wasmade by the minority of the board ot consult- ATLANTIC DIVISION —77M/7e5 -^ ^ i ATLANTIC OCEAN .ffjr ^Ci l_C-V ?CENTRAL DIVISION ,gnesfPo,ntof^ J nMiles .E^-XCQvgtiqn at GpJclHiJi, r tl -PACinC DIVISION c - IIMiles. iij ^. SV Lowest Line Ofnorrpw :channel Ejicay biy French Miles 2 5 4 5 6 1 6 9 10 II 12 13 14 15 16 n 18 19 20 Zl ZZ Z3 Zl Z5 Z6 Zl Z6 ^9 JO 3t 3Z 35 34 35 36 31 38 39 40 41 4Z 43 44 45 46 47 46 49 50 E8LC Fig. 7. Profile of Lock Canal as Finally Planned and Constructed. nasonry spillway in the earth dam carriedjff excess waters and delivered them into theZhagres below the dam. To transfer vesselsfrom the sea level channel below Gatun to the?5 ft. summit level formed by Gatun Lake aiet of three twin locks having an aggregateift of 85 ft. was planned. The channel in Lake Gatun for milesivas to have a width of 1,000 ft. and a depthjf 45 ft. The channel then decreased to 800ft. for miles, then to 500 ft. for miles:o Obispo. Through the summit the channel dams designed to impound Sosa Lake. In ashort time indications appeared that the foun-dation soil was not as stable as the boringshad indicated. Further examination wasmade of the ground show
Size: 3414px × 732px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19
