Engineering and Contracting . osed ends to two heavy castings. The 7,S5S cu. yds 368 4,464 .499 ,t-, ,= , .,-. ,, Mixing and placing hand bottom, ror the upper gates these figures anchorage connections tit in a recess below concrete. cu. ^ ^^ ^ ^^^ ^^^ become 15 ft. S ins. and 20 ins., respective- the coping and are covered with a cast Tamping machine mixed ly. By making the lower portion of a gate iron plate. concrete, 7,858 cu. .328 2,581 .288 ,. , , , , ,. , t-, ,.,...,.. , , . Tamping hand mixed con- solid, the gate may be made thinner, thus 1 he method of building and pl
Engineering and Contracting . osed ends to two heavy castings. The 7,S5S cu. yds 368 4,464 .499 ,t-, ,= , .,-. ,, Mixing and placing hand bottom, ror the upper gates these figures anchorage connections tit in a recess below concrete. cu. ^ ^^ ^ ^^^ ^^^ become 15 ft. S ins. and 20 ins., respective- the coping and are covered with a cast Tamping machine mixed ly. By making the lower portion of a gate iron plate. concrete, 7,858 cu. .328 2,581 .288 ,. , , , , ,. , t-, ,.,...,.. , , . Tamping hand mixed con- solid, the gate may be made thinner, thus 1 he method of building and placing the FmishlngTopolock wall; ^ ^^^ ^ reducing under pressure. The upper por- lock gates was as follows: 54S cu. yds 104 57 .006 tions of the gates are paneled; the arms A small hand-power derrick was erected Total labor $16,864 $1,88 are all made of the same scantling as be- on a level spot so as to command the ways, ^Is concrete ^ $43 186 $4 Su o^^ ^^ ^ Spaced inversely as the maxi- which were built of heavy timbers laid. View of Dam Cost of concrete, including forms $ per cu. yd. Some of the labor items can be further summarized as follows : : Work Labor Done Work Time per Man Done, in Days. perDay. bbls. bbls. Inspection of ,884 73 6/8 Storing cement 2,500 94 5/8 cu. yds. cu. yds. Inspection of crushed stone 71 Inspection of ,096 111 Dredging gravel 6,125 306 2/8 20 Unloading gravel forhand mixed con-crete 385 41 Hoisting gravel formachine mixed con-crete 5,025 1,308 Mixing and placingmachine mixed con-crete 7,858 2,384 3/8 Mixing and placinghand mixed con-crete 1,103 4/8 .98 Tamping machine mixed concrete 7,858 1,420 1/S Tamping hand mixedconcrete 1,081 283 Finishing top of lockwall 548 29 5/8 Lock Gates, Miter Sills; Etc.—The lockgates are of the standard form, namely,mitering gates of the girder type withstraight back and front. They are hori-zontally framed and without quoin or
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19
