. Handbook of construction plant, its cost and efficiency. orking two eight-hour shifts per day, 26 days eachmonth, excavating approximately 700 cubic yards per day, willuse 800 to 1,000 ft. of wire rope per month. cooJq nJ cS • • o o o • o o • •TtiOOtO • NO • H S H H O h 2 HH L,x***-sr^ ^iH mOOO . OOO .000 b£££ • £££ 5 2 00 0100* X XXX -XXXi t t s .s 5 s ?NrHrH -Hr-Jr; -XX *h :## 3iM .Tturq- rt«WN XXXXS I s s i s s s o W-J ^MUNOONM HCO«>HffiHH CO ^ . R000000c 5000000000 o O^C^CqcOOOC-lftl • OB^OOOSNIC >oooooooooooo <OMMCOC q»NMeq«q«OONHNINO001CO 00 soeocococe 4X
. Handbook of construction plant, its cost and efficiency. orking two eight-hour shifts per day, 26 days eachmonth, excavating approximately 700 cubic yards per day, willuse 800 to 1,000 ft. of wire rope per month. cooJq nJ cS • • o o o • o o • •TtiOOtO • NO • H S H H O h 2 HH L,x***-sr^ ^iH mOOO . OOO .000 b£££ • £££ 5 2 00 0100* X XXX -XXXi t t s .s 5 s ?NrHrH -Hr-Jr; -XX *h :## 3iM .Tturq- rt«WN XXXXS I s s i s s s o W-J ^MUNOONM HCO«>HffiHH CO ^ . R000000c 5000000000 o O^C^CqcOOOC-lftl • OB^OOOSNIC >oooooooooooo <OMMCOC q»NMeq«q«OONHNINO001CO 00 soeocococe 4XXXXXXXXXXXXXXXX X xxxxxxxxx tC00C0C<100«DTt<C000CqOC0O000300 cqooc*ioo X x xx: CM-*O0tH-*iHt-IC ig «JMOQHfaOW>-^Wt-]§ZOkG> p* WtHp>^XfHN^^: .&S£& t^S cS 3 oJ 314 HANDBOOK OP CONSTRUCTION PLANT The Tower Excavator.* The principal parts of this appa-ratus are a hoisting engine; a tower 65 ft. high, guyed to cablesextending to the ground on each side, where instead of being. Fig. 123. Tower Drag-Scraper Excavator. stationary, they slide on other cables stretched parallel to theditch and fastened to deadmen, thus giving stability to the tower,while allowing it to move parallel to the ditch; the scraper
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbuilding, bookyear191
