Chicago : Engineering and Contracting Pub. Co. · leaf 303
right-hand page,near the margin, is shown a miniature sketchof the manhole to be built. All datais given except total height and number ofsteps, which are to be filled in by inspectorafter completion. When the street is graded, the brickworkcan be taken down to the top of the batterand the cap… … Fig. 11—Sewer Level Gauge Record for Same Two Days as Records of Fig. 10. These are made in 4 ft. lengths where thebricklayer can reach the work by standing inthe invert (small sewers), or in 8-ft. lengthsfor sewers over about 4 ft. in diameter. Thesecenters are usually pulled ahead…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
