House Drainage Manual: a Guide to the Design And Construction of Systems of ...
House Drainage Manual: a Guide to the Design And Construction of Systems of ...
William Spinks
The book House Drainage Manual: a Guide to the Design And Construction of Systems of ... was written by author William Spinks Here you can read free online of House Drainage Manual: a Guide to the Design And Construction of Systems of ... book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is House Drainage Manual: a Guide to the Design And Construction of Systems of ... a good or bad book?
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These stoppers expand about fin., thus making them perfectly tight, and allows for variation of size in different makes of pipes. The expanding is easily done by screwing the nut which is provided with long wings, E. The stopper is fitted with an inside tube, D, sealed by a screw-cap, F, which, when unscrewed, allows the water to escape after being used for testing. Fio. 76. Refilling Trenches.— In refilling the trench the best material should be selected to go in first — such as sand or fine g...ravel — and this must be carefully placed and compactly rammed round the pipe without disturbing the line or fracturing the joint* When there is not less than a foot of cover over the pipes the water may be let off, the discharge being observed in order to be sure that all the pipes were fully charged and that the test was a fair one. The trench can then be refilled in layers not more than 9in. thick, and well punned, two rammers following one filler, but no clay should be Digitized by Google 124 HOUSE DBAINAGE.
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