Drainage direction of burial box no. 1 and no. 4:-West burial box 1 exit on the southwest corner, the pump is set here and pump rain water discharge drain into SW1, flush out the canals Fell pried open-The North burial box 1 exit on the North Peak, the pump is set here and pump rain water into the drain discharge SW21 SW22 exhaust, straight out of waterways.-The Eastern burial box 1 has 3 pumps are placed along the East, rain water is pumped into a small drainage ditch, lined with thick HDPE sheets, with a width of 1 m, steep gully Northeast flow in pipes, flush out, slit SW32 projector.-West burial box 4 exit on the southwest corner, the pump is set here and small drainage ditches drainage pump by ground, steep ditches toward phase 3 under construction, small canals, Guy discharge flow of the river can Giuoc.-The East box buried 4 are open areas, are receiving spam should not have rain water collection system in this area.For landfill areas are receiving spam must accept a rainwater infuse water and increases the leak down garbage.Map of the drainage of the burial box was demonstrated by Figure 16.
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