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穿墙群管的防水
Waterproofing of pipe group through wall
土建和安装应会审、核对相关图纸，以免遗漏和差错。严格按图纸要求施工。图纸无要求时在征得设计者同意后，做到：
Civil engineering and installation shall jointly review and check relevant drawings to avoid omission and error. The construction shall be carried out in strict accordance with the drawing requirements. If there are no requirements in the drawings, the following shall be achieved after obtaining the consent of the designer:
①墙管道孔均采用比穿墙管径大100㎜得防水套管预留，防水套管中部3㎜厚200㎜宽钢板止水环，钢板止水环根部粘接15×15㎜膨胀橡胶止水条。穿外墙的管道与防水套管之间的空隙用水泥石棉或防水砂浆嵌填。
① The wall pipe holes are reserved with waterproof casing which is 100 mm larger than the through wall diameter. The middle part of the waterproof sleeve is 3 mm thick and 200 mm wide. The root of the steel plate water stop ring is bonded with 15 × 15 mm expansion rubber water stop strip. The gap between the pipe passing through the outer wall and the waterproof sleeve shall be filled with cement asbestos or waterproof mortar.
②外墙部位与套管之间的空隙用石棉热沥青嵌填严实。
② The gap between the outer wall part and the casing pipe shall be tightly filled with asbestos hot asphalt.