【正文】
tandard 工程質(zhì)量標(biāo)準(zhǔn) ? Specification for Construction and Acceptance of Water Supply and Drainage Piping Work 給水排水管道工程施工及驗收規(guī)范 GB5026897 ? Specification for Construction and Acceptance of Construction Water Supply and Drainage and Heating Work 建筑給水排水及采暖工程施工質(zhì)量驗收規(guī)范 GB502422021 ? Specification for construction and acceptance of automatic spry system 自動噴水滅火系統(tǒng)施工及驗收規(guī)范 GB502612021 Construction Procedure 施工程序 General Rules of Pipe Installation 管道安裝總原則 The sequence of pipe installation shall be firstly main pipes and then branch pipes and tubing。施工位置交叉時,小口徑管道 讓大管道,次要系統(tǒng)管道讓主要管道。 acceptance codes. 室外消火栓和消防接合器的安裝應(yīng)保證符合消防設(shè)計和施工及驗收規(guī)范的要求。 the fittings are also plete. 消火栓箱內(nèi)的消火栓口應(yīng)朝外,栓口中心距地 ,允許偏差 20mm,閥門距箱側(cè)面為 140mm,距箱后內(nèi)表面 100mm,允許偏差 5mm,消火栓安裝應(yīng)平直牢固,附件應(yīng)齊全,安裝應(yīng)整齊。 and the butterfly valve isn’t forbidden. The phenomenon of gasbag and air leakage doesn’t occur on horizontal pipe section of suction pipe. The inlet and outlet of pump shall also be added with flexible connecting pipes. 消防水泵的出水管上應(yīng)安裝止回閥和壓力表,并安裝檢查和試水用的放水閥門;消防水泵組的總出水管上還應(yīng)安裝壓力表和泄壓閥,安裝壓力表時應(yīng)加 設(shè)緩沖裝置;吸水管上的控制閥應(yīng)在消防水泵固定于基礎(chǔ)上之后再進(jìn)行安裝,其直徑不應(yīng)小于消 Page 7 of 39 Technical Proposal 技術(shù)標(biāo) 防水泵吸水口直徑,且不應(yīng)采用蝶閥;吸水管水平管段上不應(yīng)有氣囊和漏氣現(xiàn)象;泵的進(jìn)出口應(yīng)加設(shè)柔性連接管。 Adapter of fire hydrant pump 消防栓水泵接合器 The adapter of wall fire pump shall be installed at wall foot of building in which there are three joints and decoration tag featured by clearness, handsome and convenient operation. 墻壁消防水泵接合器安裝在建筑物墻根處,墻上露出三個接口和裝飾標(biāo)牌,目標(biāo)清晰、美觀,使用方便。安裝好后,應(yīng)保證管道水平,閘閥、放水閥等開啟應(yīng)靈活,并進(jìn)行水壓試驗;放水閥及安全閥溢水口要和下水道其它水道相通以便用完后放出余水。 Page 9 of 39 Technical Proposal 技術(shù)標(biāo) After pipe screw thread is processed, screw in two or three buckles with hands and then continue to screw down with wrench。上配件閥門不僅要求上緊,還需考慮配件的方向和位置,不允許因擰過頭而采用倒扣的方法進(jìn)行找正。鍍鋅鋼管溝槽加工步驟如下: Item序號 Steps 安裝步驟 Description 安裝說明 1 Fix up 固定壓槽機 Fix machine on a level surface, or fix on a steel plate, make stability. 把壓槽機固定在一個寬敞的水平面上,也可固定在鐵板上,必須確保壓槽機穩(wěn)定、可靠; 2 Check machine 檢查壓槽機 Check machine on good condition, repair in time 檢查壓槽機空運轉(zhuǎn)時是否良好,發(fā)現(xiàn)異常情況應(yīng)及時向機具維修人員反映,以便及時解決; 3 Pipe locate 架管 Make pipe horizontal and in one axes with groove machine 把管道垂直于壓槽機的驅(qū)動輪擋板水平放置,使鋼管和壓槽機平臺在同一個水平面上,管道長度超過 ,要有能調(diào)整高度的支撐尾架,且把支撐尾架固定、防止擺動 4 Check Check if the wheel and roll can match with the pipe size Page 12 of 39 Technical Proposal 技術(shù)標(biāo) Item序號 Steps 安裝步驟 Description 安裝說明 wheel 檢查壓輪 檢查壓槽機使用的驅(qū)動輪和壓輪是否與所壓的管徑相符; 5 Set depth 確定溝槽深度 Set the positioning screw to make the right depth and width of groove 旋轉(zhuǎn)定位螺母,調(diào)整好壓輪行程,確定溝槽深度和溝槽寬度; 6 Roll 壓槽 Press the pipe, let power on, add pressure slowly until reach the stopper 操作液壓手柄使上滾輪壓住鋼管,然后打開電源開關(guān),操動手壓泵手柄均勻緩慢下壓,每壓一次手柄行程不超過 ,鋼管轉(zhuǎn)動一周,一直壓到壓槽機上限位螺母到位為止,然后讓機械再轉(zhuǎn)動兩周以上,以保證壁厚均勻; 7 Final check 檢查 Check if it is acceptable, micro adjustment until reach the required situation. 檢查壓好的溝槽尺寸,如不符合 規(guī)定,再微調(diào),進(jìn)行第二次壓槽,再一次檢查溝槽尺寸,以達(dá)到規(guī)定的標(biāo)準(zhǔn)尺寸。小的上壓輪和小的下滾輪用于Φ 管子;大的上壓輪和大的下滾輪用Φ 219(含)以上管外徑。 8每壓一次手柄行程不超過 ,鋼管轉(zhuǎn)動一周。 4) when make groove, let the pipe horizontal, and 90176。 The work step: 鍍鋅鋼管溝槽連接步驟如下: item 序號 steps 安裝步驟 picture 安裝圖片 description 安裝說明 1 Place plastic gasket 上橡膠墊圈 Put plastic gasket in place and be careful of installation 將密封橡膠圈套入一根鋼管的密封部位,注意不得損壞密封橡膠圈; 2 Pipe connection 管道連接 Connect and leave some gap, adjust to let the distance equal 將另一根加工好的管道與該管對齊,兩根管道之間留有一定間隙 , 移動膠圈,調(diào)整膠圈位置,使膠圈與兩側(cè)鋼管的溝槽距離相等; Page 16 of 39 Technical Proposal 技術(shù)標(biāo) item 序號 steps 安裝步驟 picture 安裝圖片 description 安裝說明 3 lubricate 涂潤滑劑 Wipe lubricate on the joint 在管道端部和橡膠圈上涂上潤滑劑; 4 Install clamp 安裝卡箍 Buckle the clamp and clip clamp into groove 將卡箍上、下緊扣在密封橡膠圈上 ,并確??ü客惯吙ㄟM(jìn)溝槽內(nèi); 5 Tight the screw 擰緊螺母 Slowly tight the screw 用手壓緊上下卡箍的耳部,使上下卡箍靠緊并穿入螺栓,螺栓的根部橢圓頸進(jìn)入卡箍的橢圓孔 ,用扳手均勻輪換同步進(jìn)行擰緊螺母,確認(rèn)卡箍凸邊全圓周卡進(jìn)溝槽內(nèi); 6 check 檢查 Check if it tight enough, until no gap 檢查上下卡箍的合面是否靠緊 ,不存在間隙為