大口径管道焊接作业指导书.doc

CSPC Nanhai Petrochemicals ProjectSEPCO Electric Power Construction Corp.CSPC NANHAI PETROCHEMICALS PROJECT南 海 石 化 项 目Work Instruction For Large Bore Pipe Welding大口径管道焊接作业指导书WORKING INSTRUCTION: WI-8710-8100-0067SEPCO Electric Power Construction Corporation山东电力基本建设总公司SEPCOREVDATEREASON FOR ISSUEBYCHK’DREVIEWAPPRA26.FEB.2004Issued for ApprovalX.WZHAO S.LXIAO T.PTIAN G.HB20.MAY.2004Issued for ApprovalX.WZHAO S.LXIAO T.PTIAN G.H目 录TABLE OF CONTENTS1工程概况PROJECT GENERAL DESCRIPTION2编制依据REFERENCES3职责RESPONSIBILITIES4施工准备PREPARATION FOR CONSTRUCTION5 资源配置Resource allocation6施工工序和施工方法Construction procedure and plans 7工作安全分析（JSA-8560-8101-0147）修改记录Revision Information版次Ver.章节号Section No.主要修改内容Description of main changesB2增加“PR-8710-8100-0218 焊缝跟踪程序 Rev.00”Add the “PR-8710-8100-0218 Weld bead tracking procedure Rev.00”1工程概况PROJECT GENERAL DESCRIPTION1. 1汽电联产项目STG部分的大口径管道主要有低碳钢(ASTM A106B)、P11、P22共3种材质，具体规格见下表所示： The large bore pipe in part of STG for S&P project mostly includes three kinds of material characteristic such as low carbon steel(ASTM A106B), P11, P22, refer to the following sheet on the detailed description:材质 Material characteristic规格Description 材质Material characteristic 规格DescriptionCS(ASTM A106B)88.9X5.49ASTM A335 P1188.9X7.6288.9X7.62114.3X8.56114.3X6.02168.3X10.97114.3X8.56219X12.7168.28x18.24323.8X17.45219.08x12.7406.4X21.41219.08x23.01457X23.8219.08x6.35610X30.94219.08x7.04ASTM A335 P22273.05X31.8273.05x28.58323.8X37.6273.05x7.8355.6x41.1273.05x9.27610X69.6323.85x17.45323.85x33.32323.85x6.35355.6x7.92406.4x40.46406.4x7.92406.4x9.53457.2x23.8457.2x7.92508x9.53609.6x14.27609.6x9.53762x9.5813x9.532 编制依据 reference2．1相关设计图纸及文件 Correlative design drawing and document 2．2 《电力建设施工及验收技术规范》（火力发电厂焊接篇 DL5007-92） 《Construction and acceptance technique specification for electric power construction 》 (Welding chapter for thermal power plant DL5007-92)2．3 PR-8710-8100-0025 焊接程序WELDING PROGRAM Rev.002．4 PR-8710-8100-1001 通用焊接标准General welding standard Rev.012．5 PR-8710-8100-0213 NDE管理程序NDE Management Rev.022．6 PR-8710-8100-0026 焊工培训与考核 Welder Training and Examination Rev.002．7 PR-8710-8100-0223 焊接消耗品控制 Consumable stores control for welding Rev.002．8 PR-8710-8100-0055 测量和校验设备Measuring and Test Equipment Rev.002．9 PR-8710-8100-0038 焊接控制Welding Control Rev.042.10 WI-8610-8100-0004C 气体管理Gas Management Rev.002.11 PR-8710-8100-0215 焊接热处理Welding Heat Treatment Rev.002.12 《火力发电厂焊接热处理技术规程》（DL/T819-2002）《Welding heat treatment technique regulations for thermal power plant 》（DL/T819-2002）2．13 PR-8710-8100-0218 焊缝跟踪程序 Rev.00 Weld bead tracking procedure3 职责 responsibility3．1 焊工负责管道的焊接，并检查自己所焊焊缝的外观。

Welders are responsible for welding the pipe and inspecting the appearance of weld bead welded by self. 3．2 班组焊接质检（QC1）、工程处焊接质检(QC2)、公司级焊接质检(QC3)负责对焊工日常工作的监督，并按比例对焊缝进行外观检查和验收 QC1, QC2 and QC3 are responsible for supervising the daily work of welder and inspecting and accepting the appearance of weld bead in proportion.3．3 焊接工程师负责焊工考试、焊工档案管理、焊接程序、焊工资格认定测试、WPS 以及 PQR 资格认定记录的现场准备、发布并维持，并负责检查、指导焊工和焊接质检的工作 Weld engineer is responsible for the welder examination, welder files management, weld procedure, cognizance test for procedure qualification, site preparation, issuance and maintenance for qualification cognizance record of WPS and PQR, as well as for inspecting and directing welders and the work of welding quality control. 3．4 NDE工程师负责无损检测程序准备、发布和维持以及NDE检测及填发NDE报告。

NDE engineer is responsible for the preparation, issuance and maintenance of NDE procedure and NDE detection and filling in and issuing the NDE report. 3．5基建总公司（以下简称SEPCO）焊接工程师负责施工协调和质量验收 Weld engineer in Shangdong Electric Power Construction corporation (SEPCO for short) is responsible for the construction coordination and the quality acceptance. 4施工准备PREPARATION FOR CONSTRUCTION4.1焊接工艺规程（WPS）和焊接工艺评定(PQR)满足现场焊接需要 WPS and PQR meet the requirement of site welding. 4.2具有相应资质的焊工和热处理工 Provide qualified welder and heat-treatment worker.4.3焊机、热处理机、焊条烘干箱等工器具准备齐全，并经过校验。

Tools and instrument such as welding machine, heat-treatment machine, welding rod baking oven are all ready and they have been verified. 4.4使用的各种焊接材料齐全，具有相应的合格证 All kinds of used weld material are all ready, and have relative qualified certificates. 4.5现场焊接搭设好防风、防雨设施，管道内也不得有穿膛风 The windshield and rain-proof equipment for site welding has been set up, there is no draft inside the pipe. 4.6焊件在组装前应将焊口及附近母材内、外壁的油、漆、垢、锈等清理干净，直至发出金属光泽清理范围如下：每侧各为10～15mm Clean up the oil, paint, dirty, 。