Engineering and Contracting . d e rohecutfiu5t Detail of End and Cross Frame ofBarges Shown in Fig, 3. f>9- Note Bitt3 marked B robe cut flu5h withfhe Oeck,before Launching the Cai5ion 6. Plan Showing Spacing of Barge and Location of Caisson on Same—Also Method of Bracing Barges Apart. block rested firmly on the river bottom and thederrick had been unhooked, the drill, an In-gcrsoll D-24 machine, was set up on the plat-form and the drilling started. Often it wouldrequire several attempts to get the block rest-ing firmly and evenly on the bottom as the lat-ter was very irregular. In addition
Engineering and Contracting . d e rohecutfiu5t Detail of End and Cross Frame ofBarges Shown in Fig, 3. f>9- Note Bitt3 marked B robe cut flu5h withfhe Oeck,before Launching the Cai5ion 6. Plan Showing Spacing of Barge and Location of Caisson on Same—Also Method of Bracing Barges Apart. block rested firmly on the river bottom and thederrick had been unhooked, the drill, an In-gcrsoll D-24 machine, was set up on the plat-form and the drilling started. Often it wouldrequire several attempts to get the block rest-ing firmly and evenly on the bottom as the lat-ter was very irregular. In addition to this in the hole a comparatively easy matter exceptthat it had U< be done very quickly or else thetine sand carried by the river water would fillthe hole in a few minutes, .\ftcr losing onehole that way, however, matters were ar-ranged so that no time was lost in getting thebolt into the hole as soon as possible after then went down the ladder which was .ilwaySkept on the upstream side of the platform andfound the bo
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19
