【正文】 。The appearance of steel pipe should not have crack, bump, stratification, overburn, lap, inclusion and other defects, sampling ratio is 10% as per system as well as not less than five pieces, if unqualified, all of them should be fully checked.鋼管表面有銹蝕、麻點或劃痕等缺陷時，其深度不應(yīng)大于該鋼材厚度負(fù)允許偏差值 1/2。If surface of steel pipe has corrosion, pitting, scratch or other defects, its depth should not be greater than 1 / 2 of the negative allowable deviation of thickness of steel pipe.（2） 管件 Pipe Fitting 檢查每個爐批號的管件的 HIC 和 SSC 檢驗報告及每件管件的熱處理報告。Check HIC and SSC reports of pipe fitting of each heat number, and check heat treatment report of each pipe fitting.管件外觀和幾何形狀尺寸檢查按照不同廠家到貨數(shù)量的 10%進(jìn)行抽查，且不得少于 3 件，若有不合格，應(yīng)全部檢查。For appearance and geometry size of pipe fitting, random check ratio should be 10% as well as not less than 3 pieces in accordance with the delivery quantity of different manufacturers, if unqualified, should be fully checked.（3） 閥門 Valve驗收完畢后應(yīng)辦理設(shè)備和管道組成件的驗收記錄。After acceptance, acceptance inspection record should be done for equipment and piping ponent. 所有設(shè)備、材料、管道組成件等進(jìn)場物資首先進(jìn)行外觀質(zhì)量、規(guī)格參數(shù)檢查、做好標(biāo)識，并對其備件及相關(guān)資料登記。Appearance quality and specification parameter of all equipments, materials, piping ponents and other mobilizing materials should be checked firstly, identifications should be marked, and their spare parts and related information should be registered.《搬運、儲存、包裝和移交程序》CDB0000QACPCDSC20000000900，詳細(xì)的描述了管件和管道材料接收，儲存，發(fā)放，維護(hù)和記錄。站內(nèi)露空管道系統(tǒng)安裝方案Method Statement for Installation of Exposed Pipeline in Well Pad and Gathering Station7Handling, Storage, Packaging And Handover Procedure CDB0000QACPCDSC20000000900 has detailed the acceptance, storage, issuance, maintenance and record of pipe fitting and piping materials. 管道預(yù)制前應(yīng)進(jìn)行防腐涂裝，涂裝方式按照《現(xiàn)場噴砂除銹及油漆噴涂施工方案》 CDB0000TECPLN SC20000001000 執(zhí)行。Anticorrosion and coating shall be done before pipe prefabrication, the coating method should be in accordance with Construction Method Statement for Sand Blasting and Paint Spraying CDB0000TECPLNSC2 0000001000.. 管段預(yù)制 Prefabrication? 管道預(yù)制加工采用機械化作業(yè)和傳統(tǒng)手工焊接作業(yè)的方式進(jìn)行。 For pipe prefabrication, it will be done by mechanical processing and conventional manual welding. ? 預(yù)制管段應(yīng)清潔并采取適當(dāng)?shù)姆绞教幚?，如由管工通過刷磨，以保證其內(nèi)外都無焊接碎屑，弧擊和異物。Prefabricated spools shall be cleaned and free from weld spatters, arc strikes and foreign materials on outside and inside of pipes by appropriate means such as grinding and brushing by the Piping crew.? 所有的開口端都應(yīng)用塑料管蓋，塑料片或膠合板塞住，以防止在運輸和儲存過程中的異物進(jìn)入或?qū)ζ驴诙耍菁y和法蘭面的傷害。All open ends shall be blanked properly using plastic endcaps, plastic sheets or plywood covers to prevent entry of foreign material and damage to bevel ends, threads and flange faces during transporation and storage.? 所有管道預(yù)制件都應(yīng)標(biāo)注所屬裝置及管道編號。All pipe prefabrication ponents shall be tagged with the numbers of the equipment and pipe they are attached to.? 有限的管道預(yù)置將在施工現(xiàn)場由承包商在臨時制作設(shè)施中進(jìn)行，預(yù)制管道的制作場地和臨時堆放區(qū)域詳見下圖。Limited pipe prefabrication will be performed by Constractor in temporary fabrication facilities on construction site。 pipe prefabrication yard and temporary laydown area see Temporary Facilities Method Statement for Temporary Facilities of Individual Constrution of all well pads and gathering stations.B 集氣站：埋 地 管 道 材料 堆 放Materil puofndg塔 架 材 料 堆 放 與 加 工ateril pund csgfw臨 時 廁 所 （ 已 建 ）Temporay st（hvbnuil）防 腐 噴 砂 區(qū) 域 （ 已 建 ）Area fosndbltg ui（ hvelt） 擬 定 的 庫 房 (未 建 )The stockarpln tbuild)鋼 結(jié) 構(gòu) 與 工藝 管 道 預(yù) 制場 地 (已 建 )Fabricton yfseludphv itC 井站：C 井站管道預(yù)制區(qū)設(shè)在凈化廠集氣末站區(qū)域內(nèi)，預(yù)制完成后拉運至 C 井站進(jìn)行安裝；站內(nèi)露空管道系統(tǒng)安裝方案Method Statement for Installation of Exposed Pipeline in Well Pad and Gathering Station8 ? 組裝Fitting （1）預(yù)制管道組裝前，管道主管應(yīng)檢查以下內(nèi)容：Prior to fitting the prefabricated pipes, the following checks shall be carried out by the Piping Foreman:A 對比圖紙檢查管段的長度Length of spool against the drawing(s)B 材料應(yīng)符合設(shè)計圖紙要求的規(guī)格和等級 。尺寸/ 標(biāo)簽錯誤應(yīng)根據(jù) 《不合格品控制程序》CDB0000QACPCDSC20000000700 處理。Material should be forming to required specification and class in design drawings. Dimentional / tagging errors shall be processed in accordance with procedure “Control of Nonconforming Product”, ref. CDB0000QAC PCDSC20000000700.（2）當(dāng)要求切割直管時，根據(jù)管道材質(zhì)及焊接工藝要求實施火焰切割或機械切割（熱處理管道），切割后標(biāo)識應(yīng)進(jìn)行移植。When cutting straight pipe is required, torch cutting or mechanical cutting (heat treatment pipe) will be applied according to pipe material and requirements of welding procedure. The identification will be transplanted after cutting.A 火焰切割采用手持式火焰割俱和半自動機械割俱進(jìn)行切割，然后采用打磨機或坡口機進(jìn)行加工坡口。Handtype flare cutting tools and semiautomatic mechanical tools will be applied for flare cutting, and then it will apply sander or electric bevelling machine to process bevel.B 機械切割采用一體式機械加工機（切斷及坡口一次成型）和管道切割機。Onepiece mechanical processor (one time of forming for cut off and bevel)and pipe cutting machine will be applied for mechanical cutting.C 切割后的管段，對沒有標(biāo)識的，應(yīng)對應(yīng)原管段標(biāo)識進(jìn)行移植。For pipe sections which have been cut off, it should transffer identification of original pipe sections for pipe sections without identifications.（3）磨工應(yīng)對所有的磨光活動負(fù)責(zé)。磨工應(yīng)佩戴面罩和手套等附加 PPE。The Grinder shall be responsible for all grinding activities. The additional PPE for grinder includes face shield and gloves.（4）管道預(yù)制應(yīng)考慮運輸和安裝的方便，并預(yù)留可調(diào)整的活口，預(yù)制完畢的管段應(yīng)將內(nèi)部清理干凈，密閉管口，防止雜物進(jìn)入。Pipe prefabrication shall have the transportation and installation into consideration and reserve adjustable movable opening. Prefabricated pipe section should firstly clean its inside, close the orifice to avoid entering of foreign matters.（5）預(yù)制組合件不允許長期處于臨時固定狀態(tài)。 Prefabrication units shall not be temporarily fixed for long.天然氣廠集氣末站預(yù)制場站內(nèi)露空管道系統(tǒng)安裝方案Method Statement for Installation of Exposed Pipeline in Well Pad and Gathering Station9（6）管道組成件預(yù)制應(yīng)根據(jù)單管軸測圖和現(xiàn)場設(shè)備、管廊的實際分布情況測量尺寸，選擇合理的自由管段和封閉管段； Pipe ponent prefabrication shall be in accordance with the monotube axonometric drawing, site equipments and the measuring size of the