1、水(shui)平安(an)裝(zhuang)的(de)橋架支架間(jian)距(ju)宜(yi)為 1.5m，垂(chui)直(zhi)安(an)裝(zhuang)的(de)橋架支架間(jian)距(ju)不(bu)應大(da)於2m；

　　1. The spacing between horizontally installed bridge supports should be 1.5m, and the spacing between vertically installed bridge supports should not exceed 2m;

　　2、采(cai)用金屬吊(diao)架(jia)固定時，圓(yuan)鋼或(huo)絲桿(gan)不得(de)小(xiao)於(yu) 8mm，並應有(you)防晃(huang)支(zhi)架(jia)，在(zai)分支處(chu)或(huo)端部 0.3-0.5m 處(chu)應(ying)有固定支(zhi)架(jia) ； 3、安(an)裝(zhuang)在(zai)地下(xia)室(shi)等(deng)潮(chao)濕(shi)場所(suo)的(de)支架(jia)應(ying)按(an)要求(qiu)進(jin)行防腐(fu)處(chu)理；4、橋架支架按(an)要求(qiu)作(zuo)倒角(jiao)處(chu)理；橋架支架應(ying)在(zai)地下(xia)室(shi)橫(heng)向(xiang)、縱(zong)向(xiang)區 域與(yu)消防(fang)管(guan)道及風管(guan)支架(jia)壹條線(xian)布置(zhi)確(que)保(bao)美觀、整齊(qi)；5、橋架在(zai)走(zou)廊(lang)通道安(an)裝(zhuang)時，應(ying)在(zai)壹(yi)側預留大(da)於等(deng)於(yu) 300mm 的(de)空(kong)間(jian)用(yong) 於(yu)檢(jian)修(xiu)；驗收節點1、金(jin)屬線(xian)槽不(bu)應(ying)作(zuo)為設(she)備(bei)接(jie)地導(dao)體(ti)，當(dang)設(she)計(ji)無(wu)要求(qiu)時，金(jin)屬線(xian)槽全(quan) 長(chang)不(bu)少(shao)於 2 處(chu)與(yu) PE 線(xian)連接(jie)，鍍(du)鋅(xin)線(xian)槽間(jian)的(de)連(lian)接板的兩(liang)端不(bu)跨(kua)接接(jie)地 線(xian)，但連(lian)接(jie)板兩(liang)端不(bu)少(shao)於 2 個(ge)防(fang)松螺(luo)母(mu)或防松(song)墊圈(quan)的連接(jie)固定螺(luo)栓(shuan)； 橋架在(zai)變(bian)形(xing)縫(feng)處(chu)應(ying)安(an)裝(zhuang)伸(shen)縮節；槽架(jia)蓋在(zai)變(bian)形(xing)縫(feng)處(chu)獨立安(an)裝(zhuang)（長(chang) 300mm）；2、非鍍鋅電纜(lan)橋架間連接(jie)板的兩(liang)端跨(kua)接銅(tong)芯導(dao)線(xian)或編(bian)織(zhi)銅(tong)線(xian)小截(jie) 面(mian)積(ji)不(bu)小(xiao)於(yu) 4mm?；當鋼制(zhi)電纜(lan)橋架直(zhi)線(xian)長度超過(guo) 30m，鋁合金(jin)電纜(lan)橋 架超過(guo) 15m 時，或(huo)當(dang)電纜(lan)橋架經(jing)過(guo)建築(zhu)伸(shen)縮（沈(chen)降(jiang)）縫時應(ying)留有20~30mm 補(bu)償余(yu)量，其連接宜(yi)采用(yong)伸(shen)縮連接(jie)板；驗收節點

　　2. When using metal hangers for fixation, round steel or threaded rods should not be less than 8mm and should have anti sway brackets. Fixed brackets should be provided at the branch or end 0.3-0.5m away; 3. Supports installed in damp places such as basements should undergo anti-corrosion treatment as required; 4. The bridge bracket shall be chamfered as required; The bridge bracket should be arranged in the horizontal and vertical areas of the basement along the same line as the fire and air duct brackets to ensure aesthetics and neatness; 5. When installing cable trays in corridors, a space of 300mm or more should be reserved on one side for maintenance; Acceptance node 1: Metal trunking should not be used as a grounding conductor for equipment. When there are no design requirements, the total length of the metal trunking should be connected to the PE line at least 2 places. The two ends of the connecting plate between galvanized trunking should not be crossed with grounding wires, but there should be no less than 2 fixing bolts with anti loosening nuts or anti loosening washers at both ends of the connecting plate; Expansion joints should be installed at the deformation joints of the bridge frame; The slot frame cover is installed independently at the deformation joint (300mm long); 2. The minimum cross-sectional area of the copper core wire or braided copper wire that crosses the two ends of the connecting plate between non galvanized cable trays shall not be less than 4mm ?; When the straight length of steel cable trays exceeds 30m, aluminum alloy cable trays exceed 15m, or when cable trays pass through building expansion (settlement) joints, a compensation allowance of 20-30mm should be left, and expansion connection plates should be used for their connections; Acceptance nodes

　　1、金(jin)屬電管(guan)應與(yu)電纜(lan)橋架進行可(ke)靠的跨(kua)接接(jie)地；地下(xia)室(shi)風管(guan)距(ju)離(li)墻柱宜(yi)為 0.8-1.0m 便於(yu)橋架翻越(yue)風管(guan)；2、橋架與(yu)風管(guan)交叉(cha)時，應(ying)從風管(guan)上方翻越(yue)；橋架與(yu)水(shui)管(guan)交叉(cha)時應(ying)從 水(shui)管(guan)上方翻越(yue)；嚴禁橋架從防(fang)火卷簾上方穿(chuan)越(yue)；強弱電橋架間距(ju)應(ying)不 小於(yu) 0.3m；橋架與(yu)水(shui)管(guan)同行安(an)裝(zhuang)其間距(ju)應(ying)不小於(yu) 0.3m；3、橋架支架通長(chang)扁(bian)鋼敷設(she)確(que)保(bao)橋架支架、橋架接地可(ke)靠；橋架支架 與(yu)橋架采用軟(ruan)線(xian)聯結(jie)驗收節點

　　1. Metal conduits should be reliably grounded across cable trays; The distance between the basement air duct and the wall column should be 0.8-1.0m to facilitate the bridge to climb over the air duct; 2. When the bridge intersects with the air duct, it should be flipped over from above the air duct; When the bridge intersects with the water pipe, it should be flipped over from above the water pipe; It is strictly prohibited for cable trays to pass over fire-resistant rolling shutters; The distance between the strong and weak bridge frames should not be less than 0.3m; the distance between the bridge frame and the water pipe when installed together should not be less than 0.3m; 3. The laying of the full-length flat steel of the bridge frame support ensures reliable grounding of the bridge frame support and bridge frame; The bridge bracket and bridge are connected by flexible wires for acceptance nodes

　　1、橋架安(an)裝(zhuang)前(qian)根據(ju)管(guan)線(xian)深(shen)化(hua)確(que)定(ding)的(de)標高(gao)，應在(zai)混凝土(tu)及磚(zhuan)墻(qiang)上預留橋架孔(kong)洞（預留洞尺(chi)寸：橋架長+50mm，橋架寬+50mm）2、地下(xia)室(shi)強弱電橋架穿(chuan)越(yue)相鄰(lin)防火分區，依據(ju)建築(zhu)防火規範(fan)，需(xu)對 橋架穿(chuan)墻(qiang)洞口處(chu)進(jin)行防火封(feng)堵；

　　1. Before installing the cable tray, according to the elevation determined by the deepening of the pipeline, cable tray holes should be reserved on the concrete and brick walls (reserved hole size: cable tray length+50mm, cable tray width+50mm). 2. When the strong and weak electrical cable tray in the basement passes through adjacent fire compartments, according to the building fire protection regulations, the openings of the cable tray through the wall should be sealed for fire protection;

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