A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 78
stalways be made both water and gas tight. A separate trap should be placed under each bath tub, washbasin, sink, water closet, or urinal, and one trap should beattached to each set of laundry tubs. Traps should be setas close to the fixtures as possible. A trap should be placedin each main drain… … Fig. 39. 115. To prevent the back flow of water from sewers,etc. into basements or areas, a back-water trap should beemployed. This allows the water to pass outward freely,but allows none to return. A common form of back-water trap is shown in Fig. 39.This is used chiefly to drainwater from the…
Architecture · Building
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