b. the water drainage planning:-Held a private sewer system escape, dirt and rain, storm drain rain water using the drain tube drain size, set BTCT to calculate periodic overflow drain T = 3 years. -The sewer layout placed along the axis of roads in the area, the equally-dense layout branch ensures the ability to collect water for the entire zone in the main drain size. size Ø400 Ø800 mm to transform from.-Drainage Sources: focus on the river system draining canals surrounding the area, including: slit she Reaches, the river Rach.-Minimum drain buried depth Hc = 0, 70 m. Minimum drain slope is taken to make sure the drain cleaning power i = 1/D.
đang được dịch, vui lòng đợi..