室內電氣技術交底-北京建工集團.doc

  1．施工前準備
    1.1   熟悉設計圖紙和圖紙會審的意見，掌握施工要點。
    1.2   對進場材料進行清理、檢驗，必須符合設計要求，證件齊全。
    1.3   施工機具到位。
    2．操作工藝要點
    2.1   各種線路必須合理布置：安裝時做到整齊、清晰。通過變形縫要采取補償措施。配線用鋼管壁厚不小于1.5mm。敷設地下及素砼中要加厚鋼管。薄壁鋼管的連接要用絲扣連接并有跨接地線，管口禁用焊接。
    2.2   管內穿線不許有接頭，導線總面積不超過管子截面積的40%。
    2.3   槽板配線蓋板與底板接口要嚴密，其位置相互錯開，轉角斜口或配件；穿梁、過墻要有保護管，導線在槽內不許有接頭，槽板安裝的水平、垂直偏差均小于5mm。
    2.4   照明器具，用電設備安裝牢固，嚴禁使用木楔；吊鉤埋設牢
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/室內電氣技術交底-北京建工集團.rar

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