文档介绍:消防水池施工方案
花果山徐培晨艺术馆工程 消防水池、泵房工程
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side of road subgrade 2m. Direct-buried cable upper and lower should be covered with not less than 100mm thick layer of soft soil or sand, and affix the protection, the coverage should be wider than 50mm on each side of the cable, cover plate can be used to protect concrete or brick. Direct-buried cable in line every 50-100 meters, cable turns should be appreciable bearing flags or stakes. Direct-buried cable prior to backfill, shall be subject to acceptance of concealed work before they can be filled. factory of making cable terminal cable mainly in the low-voltage cable head, dry Pack, its production should strictly abide by the production process. should check the insulation before the first cable production qualified, low-voltage power cables with 1000V shake table, its insulation value should not be less than the specified value. making cable head, cut from the Strip begins continuous operation until the completion of the cable, reducing insulation exposure time, strip-cut cables, insulation should not damage conductors and reservations. The armored power cable and control cable shield should be connected to a good shall not be interrupted, and ... Correctly positioned, vertical clearance shall be distributed evenly per shell bus and the shell should be concentric, the error shall not exceed 5mm, segments and segment connection, two adjacent bus and enclosure, after connecting bus and enclosure should not be subject to mechanical stress. Short circuit between phases of the shell plate is correctly positioned, good connection between support plates shall be mounted firmly, insulation Grade insulation shell should be made. the installation of explosion-proof electrical equipment rectisol wash unit area, tank farm and other explosion-proof areas, the electrical installation shall be carried out as explosion-proof requirements. electric