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030209002 避雷装置 - 工程量清单 - 工程基础数据 - 氿上商城

docx 030209002 避雷装置

产品简介

避雷装置 1.受雷体名称、材质、规格、技术要求(安装部位):10热镀锌圆钢制成的避雷带作接闪器,支架高度0.15m,支架间距不大于1.0m,支撑点距拐弯处不大于0.5m。避雷带应焊接成不大于20mX20m或24mX16m的网格。所有屋面安装的设备金属壳体及所有凸出屋面和墙面的金属物体均应与防雷装置可靠焊连,施工时若遇其他未述防雷设施安装时应参考本国标图集的做法。2.引下线材质、规格、技术要求(引下形式):柱内纵向主钢筋作为防雷引下线,引下线应焊接或绑扎成电气通路,上端与避雷带焊连,下端与接地装置焊连。引下线在室外距地面0.5m高处预埋-100x60x6钢板做连接板,供测试和等电位联结用3.接地级材质、规格、技术要求:利用室外人工接地极及建筑物基础结构钢筋网作为接地体,10kV保护接地、变压器中性点工作接地、PLC等与防雷接地共用该接地装置。接地电阻要求不大于1欧,否则应补打人工接地极。室外接地极采用 50x50x5,L=2.5m镀锌角钢,间距为5m,埋深为所在地面下0.75m;室外接地线采用-50x6镀锌扁钢,埋深为所在地坪下0.8m。4.接地母线材质、规格、技术要求4.均压环材质、规格、技术要求:利用建筑基础接地未竟事项详见设计图

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