Chicago : Engineering and Contracting Pub. Co. · leaf 299
ewer gauge charts each cover twodays. Each vertical on the rain records in-dicates .01 ins. rainfall and each circuit, five up and five back, gives 0.10 ins. Note the almost instantaneous rise in thesewer at the beginning of downpour. The zero of the sewer gauge is 1.26 ft. above theflow line of a… … Fig. 5—Typical Alignment of Pipe Sewers. ture on the instruments has become apparent,and in one case the water rose in the manholeand submerged the gauge case. At present,the gauges are being taken out and repaired,one at a time, and when re-set, the recordingmechanism will be placed in a box on a…
Buildings
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