The Catskill Water Supply of New York City History Location Sub Surface Inves
The Catskill Water Supply of New York City History Location Sub Surface Inves
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In our eReader you can find the full English version of the book. Read The Catskill Water Supply of New York City History Location Sub Surface Inves Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Catskill Water Supply of New York City History Location Sub Surface Inves
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A distinguishing feature of this contract was the extensive use made of 3 Lidgerwood-Page- Crawford excavators, which operated scraper buckets and did all the main trench excavation excepting the above mentioned heavy cut. The record made by these excavators on Contract 45 working in glacial drift with some boulders is rather poor when compared with steam shovels. They rarely excavated more than 10 feet of com- plete aqueduct trench of 12 to 14 feet cut in one shift of eight hours, 392 CATSKILL... WATER SUPPLY or about 60 cubic yards, whereas the steam shovel in like material could make from 50 to 60 feet.
In comparing the excavator and shovel for aqueduct purposes, the following was experienced on this contract: (1) The steam shovel generally moves along on level ground in the cut, whereas the Page excavator w r orks in advance of the cut, and therefore must go along the grades of the original ground. In wet ground this may be an advantage, as the cut tends to drain the water away from the surface, leaving the excavator on dry ground.
What to read after The Catskill Water Supply of New York City History Location Sub Surface Inves?
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To quickly assess the difficulty of the text, read a short excerpt:
A distinguishing feature of this contract was the extensive use made of 3 Lidgerwood-Page- Crawford excavators, which operated scraper buckets and did all the main trench excavation excepting the above mentioned heavy cut. The record made by these excavators on Contract 45 working in glacial drift with some boulders is rather poor when compared with steam shovels. They rarely excavated more than 10 feet of com- plete aqueduct trench of 12 to 14 feet cut in one shift of eight hours, 392 CATSKILL... WATER SUPPLY or about 60 cubic yards, whereas the steam shovel in like material could make from 50 to 60 feet.
In comparing the excavator and shovel for aqueduct purposes, the following was experienced on this contract: (1) The steam shovel generally moves along on level ground in the cut, whereas the Page excavator w r orks in advance of the cut, and therefore must go along the grades of the original ground. In wet ground this may be an advantage, as the cut tends to drain the water away from the surface, leaving the excavator on dry ground.
What to read after The Catskill Water Supply of New York City History Location Sub Surface Inves?
You can find similar books in the "Read Also" column, or choose other free books by Lazarus White to read onlineMoreLess
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