Chicago : Engineering and Contracting Pub. Co. · leaf 617
the excavator out in the Mississippi RiverAfter the flood, it was found that the whosite of the open sewer and about 75 ft. of thof the closed sewer had been washed overy nearly to grade, most of it averagiiabout a foot too low. This necessitatedslight change of plan for this section. Stei … Fig. 3—Heffron Drag Scraper in Use onBaden Public Sewer, Second Section. Fig. 4—Concreting Invert of 14-ft. ConcreteSewer, Baden No. 1. conduit and also for that under Broadway,the contractor is paid a lump sum. All otherwork is let on the unit price basis. Thissewer will replace Gingrass Creek, of…
Buildings
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