接閃器安裝施工工藝.doc

18  接閃器安裝
    18.1  總則
    18.1.1  適用范圍
    本章適用于建筑物避雷針、避雷網(帶)等接閃器制作安裝工程。
    18.1.2  編制參考標準及規范
    (1)《建筑電氣工程施工質量驗收規范》(GB 50303-2002)；
    (2)《建筑設備安裝分項工程施工工藝標準》(北京建工集團總公司編)；
    (3)《建筑物防雷設施安裝》99D562；
    (4)《建筑物防雷設計規范》(GB 50057-94)(2000年局部修訂)。
    18.2  術語、符號
    接閃器：接閃器是指用來接收雷電流的部分，其形式有避雷針、避雷網、避雷帶等或其他金屬構件。
    18.3  基本規定
    (1) 所有金屬部件必須鍍鋅，操作時注意保護鍍鋅層。
    (2) 采用鍍鋅鋼管制作針尖，管壁厚度不得小于3mm，針尖涮錫長度不得小于70mm。
    (3) 避雷針應垂直安裝牢固，垂直度允許偏差為3／1000。
    (4) 避雷線應平直、牢固，不應有高低起伏和彎曲現象，距離建筑物應一致，平直度每2m檢查段允許偏差3／1000，全長不得超過10mm。
    (5) 避雷線彎曲處不得小于90°，彎曲半徑不得小于圓鋼直徑的10倍。
    (6) 避雷線遇有變形縫應做煨彎補償。
    18.4  施工準備
    18.4.1  技術準備
    (1) 充分熟悉相關圖紙及設計要求；
    (2) 根據圖紙要求準備相應施工圖集等技術資料；
    (3) 編制技術交底。
    18.4.2  材料要求
    (1) 品種規格
    1) 主要材料：鍍鋅圓鋼、鍍鋅角鋼、鍍鋅鋼管、鍍鋅扁鋼及工廠生產的避雷針等。
    2) 其他材料：鍍鋅螺栓、墊圈、彈簧墊圈、支架、電焊條
18 Jieshan Qi Installation
    18.1 General
    18.1.1 Scope
    This chapter applies to buildings lightning rod, lightning protection network (with) such Jieshan Qi production installation.
    18.1.2 the preparation of reference standards and norms
    (1) "Building Electrical Engineering Construction Quality Acceptance" (GB 50303-2002);
    (2) "Construction equipment Construction Technology Installation sub-standard" (Beijing Construction Engineering Group Corporation Code);
    (3) "Lightning in the installation of facilities" 99D562;
    (4) "Lightning in design" (GB 50057-94) (2000 partial revision).
    18.2 The terms, symbols
    Jieshan Qi: Jieshan Qi is used to receive part of lightning current in the form of a lightning rod, lightning protection network, with such lightning or other metal.
    18.3 Basic requirements
    (1) All metal parts must be galvanized, zinc coating operation to protect.
    (2) galvanized steel pipe production tip, the wall thickness of not less than 3mm, not less than the length of needle rinse tin 70mm.
    (3) The lightning rod should be mounted vertically solid verticality tolerance of 3 / 1000.
    (4) The grounding wire should be straight, strong, should not have ups and downs, and bending, the distance from the building should be consistent with flatness tolerances for each section of 2m Check 3 / 1000, length not more than 10mm.
    (5) Lightning Conductor bend shall not be less than 90 °, bending radius of not less than 10 times the diameter of round steel.
    (6) The grounding wire should be done in case of deformation joints bend simmer compensation.
    18.4 Construction preparation
    18.4.1 Technical Preparation
    (1) fully familiar with drawing and design requirements;
    (2) According to the Atlas of drawings and other construction requirements to prepare the corresponding technical information;
    (3) preparation of technical disclosure.
    18.4.2 material requirements
    (1) specifications
    1) Main material: galvanized round steel, galvanized angle steel, galvanized steel, galvanized flat steel and factory production of lightning, etc..
    2) Other materials: galvanized bolts, washers, spring washers, brackets, welding
 

前往下載