Chicago : Engineering and Contracting Pub. Co. · leaf 409
he street lines con-nected with the city sewers. Six-inch drainsare also placed under the heel of the wallwhich connect with the same manholes. In order to bind the tail more firmly to the partition wall. There will be a waterproofinglayer at or near the outside of the concretearound the entire… … / wj tCon walls are set back 8 ft. IV2 ins. on each sidand carried down only as far as the platforrwhich is at the level of the car platformThis platform is of reinforced concrete anis cantilevered out to within 2 or 3 inches 0the line of the car. The grades of the subway are quite heavjthe minimum…
Buildings
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