室内电气技术交底-北京建工集团.doc
1.施工前准备
1.1 熟悉设计图纸和图纸会审的意见,掌握施工要点。
1.2 对进场材料进行清理、检验,必须符合设计要求,证件齐全。
1.3 施工机具到位。
2.操作工艺要点
2.1 各种线路必须合理布置:安装时做到整齐、清晰。通过变形缝要采取补偿措施。配线用钢管壁厚不小于1.5mm。敷设地下及素砼中要加厚钢管。薄壁钢管的连接要用丝扣连接并有跨接地线,管口禁用焊接。
2.2 管内穿线不许有接头,导线总面积不超过管子截面积的40%。
2.3 槽板配线盖板与底板接口要严密,其位置相互错开,转角斜口或配件;穿梁、过墙要有保护管,导线在槽内不许有接头,槽板安装的水平、垂直偏差均小于5mm。
2.4 照明器具,用电设备安装牢固,严禁使用木楔;吊钩埋设牢
1. Pre-Construction
1.1 familiar with the design drawings and drawings reviewing the comments, master construction points.
1.2 approach to clean up materials, inspection, must meet the design requirements and complete documents.
1.3 Construction of machinery in place.
2. Operation process elements
2.1 The layout of the various lines to be reasonable: do the installation neat and clear. Compensatory measures to be taken by deformation joint. Wiring with a wall thickness of not less than 1.5mm. Laying concrete in the ground and elements to be thicker steel. To use thin-walled steel pipe and a cross-threaded grounding wire connections, disable the welding nozzle.
2.2 are not allowed inside the threaded connector, wire the total area of pipe cross-sectional area of not more than 40%.
2.3 slot plate wiring cover and bottom interfaces to close, the position of each staggered angle oblique mouth or accessories; through beams, walls have been protected tube, wire in the tank must not have joints, groove boards installed horizontal, vertical deviation less than 5mm.
2.4 lighting equipment, electrical equipment installation firm, do not use big wedge; hook firmly planted
2009-10/室内电气技术交底-北京建工集团.rar