【正文】 hibited in the rain and fog weather. 在生產(chǎn)區(qū)域施工時(shí)，禁止利用原有的電纜橋架、工藝管線或風(fēng)道及設(shè)備來搭設(shè)跳板，嚴(yán)禁踩踏；It should be prohibited to use exist cable tray and pipe or ventilation duct to set up sleeper and to trample the equipment in the production area. 在生產(chǎn)區(qū)域動(dòng)火作業(yè)時(shí)（包括用電錘、電鉆、磨光機(jī)等用電設(shè)備）必須有專人監(jiān)護(hù)，且必須事先準(zhǔn)備好消防器材； There are special people to supervise when hot work( including using electric hammer and drill as well as grater etc ) to be done in the production area, at the same time, firefighting apparatus will be prepared in advance. 在B19管梁上、B204生產(chǎn)區(qū)域內(nèi)施工時(shí)必須開操作票，辦理工作許可證，無證嚴(yán)禁施工 Before job performed in the B196 area, outside pipe rack, B204 production area, operating sheet and permitting work certificate should be done, if no this kinds of certification, it is prohibited that not allowed to work in above area. 施工特別措施Special measurement to be taken in construction 在B196區(qū)G36～G37軸線安裝時(shí)，在+150橋架同原有預(yù)留橋架連接，通過管廊鋼梁做支架立柱，把C型鋼用卡扣固定在鋼梁上做橋架支架，. ，連接時(shí)需在橋架開槽，；在施工作業(yè)前，需搭設(shè)腳手架，腳手架操作平臺(tái)搭設(shè)區(qū)域見附圖1，樣式圖見附圖2；When we install cable tray at axis of G36G37 in B196 area, 900x150 cable tray will be connected to exist 900x150 cable tray at +, using clamp to fix C steel as bracket to the steel beam of pipe rack, then install vertical cable tray up to and put cable tray on bracket and connected to exist cable tray. When cable tray need to be connected to exist cable tray, sometimes we need to make hole in the existing cable tray, method refer to item Scaffold have to be established when construction to be made at axis G36G37 in the B196 area. Operation platform position of scaffold see attached diagram 1, pattern see attached diagram 2. 在管廊G9～G12區(qū)施工時(shí)，需在+150槽，開槽注意事項(xiàng)同前，整個(gè)作業(yè)在管廊高空作業(yè)，且原有橋架密集，施工時(shí)注意別碰撞橋架、管路。 bolt will be tighten in the connection plate and nut will be outside in the cable tray, head of bolt will be inside in the cable tray. 連接螺栓前應(yīng)在螺栓上噴上防卡劑；Before connecting bolt, anti block agent will be sprayed in the bolt. 同一水平面橋架水平度要一致、無變形，多層橋架間距應(yīng)保持一致；The horizontality should be the same in the same horizontal and no deformation。在電纜安裝結(jié)束后，主管廊最上層橋架應(yīng)蓋上蓋板，廠房內(nèi)部600mm寬的電纜橋架需加蓋板，300mm寬度及以下無需加蓋板；After pletion of cable tray installation, it shall be ensured that there is no visible wave or snake type curve. After cable installation, the top cable tray shall be covered with plate；６、 橋架施工工序Cable tray installation procedure施工準(zhǔn)備Preparation for installation支架預(yù)制Support prefabrication支架安裝Support installation 橋架預(yù)制Cable tray prefabrication橋架安裝Cable installation接地線安裝Earthling wire installation ７、 施工詳細(xì)描述Installation description 施工準(zhǔn)備詳見第4條；Preparation for Installation see above item 4 橋架支架預(yù)制Support of cable tray prefabrication 根據(jù)橋架施工圖，合理安排橋架支架安裝位置，標(biāo)注好橋架支架安裝的具體位置，計(jì)算出每根支架的尺寸，在事先選好的C型鋼材上標(biāo)出相應(yīng)的位置；標(biāo)出后統(tǒng)一拿到預(yù)制場地加工，增強(qiáng)支架強(qiáng)度；We will arrange the reasonable location of support of cable tray and make label when we install it according to cable tray drawing, We will also calculate each support size and draw detail position in the C steel we selected in advance. After finishing position in the c steel, support will be made in the prefabrication shop and avoid making support in the installation site. Double C steel support of back against back installed is adopted for heavy load cable in the cable tray in order to reinforce strength. 切割時(shí)用砂輪切割機(jī)切割，嚴(yán)禁動(dòng)用氣焊、電焊切割，然后清除毛刺，并打磨光滑；Abrasive cutting machine will be used to cut support of cable tray and it is forbidden to use welding machine to cut. after finishing cutting, removing burrs and make it smooth. 對(duì)預(yù)制加工部位噴上鍍鋅漆，并對(duì)預(yù)制好支架做好標(biāo)識(shí)；Galvanized lacquer will be sprayed in the processed part of support, sign will be made and put in the processed support. 橋架支架安裝；Installation for support of cable tray 對(duì)于建筑物內(nèi)安裝的橋架，應(yīng)在橋架末端和變高處先安裝橋架支架；The end and elbow position of cable tray as well as the place height varied will be installed support first according to design requirement. 然后在同一水平長度段，以不超過20m為一間隔先安裝首尾兩個(gè)立柱，然后拉一直線，以此線為參照安裝中間其他立柱；Each 20M of cable tray firstly install two hanging bracket for the both end in the same horizontal length of cable tray , then draw a straight line, refer to this strait line, other support can be installed between these two hanging bracket. 對(duì)于安裝在鋼結(jié)構(gòu)上的支架，直接用卡扣卡在鋼結(jié)構(gòu)上，用螺栓緊固，不得焊接；Support installed in the steel structure will be used clamp and bolt to install not allow to welding. 吊頂安裝在樓面的支架，先標(biāo)出需要打眼部位，用沖擊電錘鉆出合適的孔洞，通過內(nèi)膨脹螺栓固定預(yù)制好的支架；If bracket need to install in the structure ceiling, firstly draw hole position and make hole with electric punch hammer drill, then bracket be fixed by expansion bolt. 橋架預(yù)制Cable tray prefabrication 橋架預(yù)制都在預(yù)制場地進(jìn)行，預(yù)制橋架過程中，只允許用切割機(jī)進(jìn)行切割，嚴(yán)禁用電焊、氣焊切割，切割完后清楚毛刺并打磨光滑；the cable tray will be prefabricated in the prefabrication shop. abrasive cutting machine will be used to cut prefabricated cable tray and it is forbidden using welding machine to cut. after finishing cutting, removing burrs and make it smooth. Galvanized lacquer will be sprayed in the processed part of cable tray.對(duì)于鍍鋅橋架,應(yīng)在預(yù)制處噴涂鍍鋅漆； 不準(zhǔn)用電焊直接把兩段橋架焊在一起；It is forbidden to connect two cable tray with welding method. 橋架安裝Installation for cable tray 橋架安裝前應(yīng)盡量在地面進(jìn)行預(yù)組裝；對(duì)于管廊處大跨距橋架，直接在支架上安裝；The cable tray will be assembled in the floor as best as we can before installation. 在地面預(yù)組裝完后，將橋架架上托臂，把橋架調(diào)整水平，然后用壓板固定；After finishing assemble, cable tray will be put on the bracket arm, then make leveling and fixed by clamping plate. 橋架固定應(yīng)牢固，連接無錯(cuò)邊，連接板螺栓應(yīng)緊固且螺母應(yīng)位于橋架槽的外側(cè),螺帽應(yīng)安裝在內(nèi)側(cè)。 thermal piping and the piping shall ply with the following table：Piping Classification管道類別Parallel Clearance (m)平行凈距（m）Overlapping Clearance (m)交叉凈距（m）Common Piping一般管道Inflammable, Explosive Gas Piping易燃、易爆氣體管道Thermal Piping熱力管道With Insulation有保溫Without Insulation無保溫不符合上述要求時(shí)必須加裝隔熱板；Thermal baffle will be installed if not in line with above requirement. 不同防火區(qū)的橋架，應(yīng)按設(shè)