Chicago : Engineering and Contracting Pub. Co. · leaf 275
consumers are notified that the water will beturned off in the neighborhood drawing fromthe main to be cleaned. About two hoursnotice usually is given before putting the lineout of service. As soon as the water is shutoff the pipe is cut in the excavation nearestto the gate valve. On 4-in. mains a… … Fig. 2—Method of Drawing Cleaner Through Small Water Mains. * I r ,i rin 11 •• Fi c-lilftil nnl f.cncrfil MnmikiTArri.il.m \\iit<r Msilri fli-.-iriliiK & ConlmetIliK Co., I„oul»vllle, Ky. double plunger for the reason that in passinga main larger than the one we are cleaning,the machine…
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