Chicago : Engineering and Contracting Pub. Co. · leaf 698
by the engineer of proper materials and in aneat and workmanlike manner. The walls shallbe 8 ins. thick. Standard manholes will be considered as equalto a circular manhole with inside diameter of4 ft. at bottom, brought up vertically to within3 ft. of the top, from which point they shall be … CementMortar Fig. 2— Fig. 3—Standard Junction Manhole in DeepStandard Manhole, Portland, Oregon Cut, Portland, Oregon. Fig. 5—Indianapolis Manhole for Sewers 4-ft. in Diameter and Less. Include foundations, steps and all pipes requiredto be built into the manholes for present or fu-ture…
Buildings
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