- Sewer system goes under the sidewalk along the route; sewer main use of brick sewers VXM type M100, size D600. D1000 and D1200. with eight knit cap with 10cm ВТСГ M250; in tribute to warrant CXM M100, M150 BTXM bottom thick 15cm dump drain. Besides using the sewers D600. D1000 and D1250 incorporate reinforced concrete box culvert tiei l000x1000 area, 1200 i1200. 1500x 1500 for drainage when big drain depth chon
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