装修现 场 签 证 单

装修现 场 签 证 单 现 场 签 证 单 编号:XT/ZXYY/XMB/-013 乌兰察布市中心医院停车场及门诊楼工程 工程名称 建筑面积 建设单位 乌兰察布市中心医院 结构形式 框架—剪力墙 施工单位 内蒙古兴泰建筑有限责任公司 层数 监理单位 内蒙古承兴监理有限责任公司 签证内容: 1、我单位施工的乌兰察布市中心医院新建门诊楼工程所用机械执行乌兰察布地区租赁信息指导价;考虑近年来本地区的建设量猛增，劳务人员匮乏，经与甲方、监理及相关主管部门共同协商决定本工程用普通工180元/日工，技工280元/日工。 2、因场地狭窄，进场钢材没有存放及加工场地，经与甲方、监理协商决定，在距现场19km外的场地存放并制作加工，制作加工好后拉入现场，经测算二次搬运费177元/T，(注:门诊楼地下室及筏板钢筋，停车场筏板及负二层钢筋全部二次搬运)。 3、门诊楼马道坡度及平面尺寸如下图所示: 建设单位 监理单位 施工单位 签字(盖章) 签字(盖章) 签字(盖章) 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 现 场 签 证 单 编号:MZL-014 工程名称 乌兰察布市中心医院新建门诊楼工程 建筑面积 37088平方米 建设单位 乌兰察布市中心医院 结构形式 框架—剪力墙 地下一层，地上施工单位 内蒙古兴泰建筑有限责任公司 层数 十层 2011年9月15日 监理单位 开工时间 内蒙古承兴监理有限责任公司 签证内容: 我单位施工的乌兰察布市中心医院新建门诊楼工程，因工程量大、工期短，按照正常施工不能如期交工，经与甲方、监理协商决定该工程基础主体及装修安装工程均需夜间施工。 建设单位 监理单位 施工单位 签字(盖章) 签字(盖章) 签字(盖章) 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 现 场 签 证 单 编号:XT/ZXYY/XMB/-041 工程名称 乌兰察布市中心医院新建门诊楼工程 建筑面积 37088平方米 建设单位 乌兰察布市中心医院 结构形式 框架—剪力墙 地下一层，地上施工单位 内蒙古兴泰建筑有限责任公司 层 数 十层 监理单位 内蒙古承兴监理有限责任公司 建筑面积 37088? 签证内容: 因工期紧经与甲方、监理协商决定，将铺完的花岗岩石材面上铺18mm厚水泥压力板，对其保护铺设及清理水泥压力板用人工35元/?;干挂玻化砖所有预留洞口、卫生间门口用细木工板做“”型1500mm高护角、卫生间蹲台阳角的做法均同门口的护角，制作及安装护角:人工、材料、机械合计50元/m(使用完的材料全部变为废料)。 建设单位 监理单位 施工单位 签字(盖章) 签字(盖章) 签字(盖章) 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 现 场 签 证 单 编号:XT/ZXYY/XMB/-047 工程名称 乌兰察布市中心医院门诊楼工程 开工日期 2011年9月15日 建设单位 乌兰察布市中心医院 结构形式 框架—剪力墙 施工单位 内蒙古兴泰建筑有限责任公司 层 数 地下一层，地上十层 监理单位 内蒙古承兴监理有限责任公司 建筑面积 37088? 签证内容: 1、因今年风雪量大，造成紧挨工人生活区民居的菜窖积水，室内墙面反潮暖气片腐蚀，居民找去甲方，应甲方要求我单位出面处理此事，经我单位联合甲方多次与居民协商决定:要求我单位对所有反潮居民家的凉房及西单元一、二层居民反潮的墙面全部铲除后，做K11防潮后重新抹灰、刮防水腻子、滚防水涂料合计1660?，单价合计110元/?;给一、二层居民更换暖气片96片、65元/片;对18个地下菜窖做防水后重新抹灰360?、单价合计:105元/?，因菜窖维修完湿气大2012年冬天不能储菜居民要求每户补偿10000元的冬天购买蔬菜钱，经与甲方协商同意对18户居民，每户居民的10000元补偿与修善费用一并进入最终门诊楼工程决算中。 2、应甲方要求重新做生活区85mφ300双壁波纹管排水，人工开挖底宽1000mm×2200mm深的管沟(全部为建筑垃圾)放坡系数为1:0.3，开挖前需人工破碎200mm厚原砼路面，开挖的土全部人工运至50m集中堆放点后外运，运距同基础土方运距，管道施工完全部用砂夹石人工分层夯实回填，在所有转角处留1m×1m墙厚500mm的检查井，共留6个，内抹1:2.5水泥砂浆。 4、为了保证墙面不开裂与甲方、监理协商决定，所有涂料饰面的填充墙墙面装修做法中增加838找平满挂玻纤网一道其他做法不变，乳胶漆为立邦牌465元/桶、18公升/桶、每遍每公升可涂刷1-3?。 建设单位 监理单位 施工单位 签字(盖章) 签字(盖章) 签字(盖章) 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 据 实 材 料 签 证 单 编号:XT/ZXYY/XMB/-081 工程名称 乌兰察布市中心医院门诊楼工程 开工日期 2011年9月15日 建设单位 乌兰察布市中心医院 结构形式 框架—剪力墙 施工单位 内蒙古兴泰建筑有限责任公司 层 数 地下一层，地上十层 监理单位 内蒙古承兴监理有限责任公司 建筑面积 37088? 签证内容: 我单位施工的乌兰察布市中心医院门诊楼工程，，为了保证保护层的附着力，经与甲方、监理协商，决定地下室电梯基坑、积水坑、高低跨、下卧处等斜坡侧壁，挡土墙侧壁，增加一道4mm厚带岩片SBS改性沥青防水卷材，所有后浇带迎外墙一侧焊5mm厚钢板，做为后浇带永久模板，该处增加一道4mm厚防水卷材，与剪力墙搭接宽度为300mm。 1、南立面竖向造型线条填粘300mm*500mmA1级挤塑板、抗裂砂浆、挂网抹聚合物，经测算人工、材料、机械合计460元/m。 2、本工程用300g高分子防水卷材材料价:35元/? 400g高分子防水卷材材料价:39元/? 300g无纺纤维布材料价26元/? 1.2mm厚K11防水材料价:46元/? 粉刷石膏找平:35元/? 三遍防水腻子、三遍防水涂料:65元/? 反应粘结型高分子湿铺防水178元/? 3、新建门诊楼一层出入户+肯德基门:2900元/? 4、本工程外网钢管均为镀锌钢管五油四布防腐、采暖管做100mm厚发泡保温黑茄克防护皮、给水管做A1级橡塑保温，五油四布防腐50元/m，100mm厚发泡保温黑茄克防护皮180元/m，A1级橡塑保温直径小于100的:60元/m、直径大于等于100的80元/m。 建设单位 监理单位 施工单位 签字(盖章) 签字(盖章) 签字(盖章) 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 据 实 材 料 签 证 单 编号:XT/ZXYY/XMB/-082 工程名称 乌兰察布市中心医院门诊楼工程 开工日期 2011年9月15日 建设单位 乌兰察布市中心医院 结构形式 框架—剪力墙 地下一层，地上十施工单位 内蒙古兴泰建筑有限责任公司 层 数 层 监理单位 内蒙古承兴监理有限责任公司 建筑面积 37088? 签证内容: 为了达到供暖的密封条件，经与甲方协商决定，我单位施工的乌兰察布市中心医院门诊楼工程冬施临时封闭的所有缝隙均注发泡胶，经统计共用发泡胶380件(12支/件)、320元/件，打发泡胶共用人工97日工。 建设单位 监理单位 施工单位 签字(盖章) 签字(盖章) 签字(盖章) 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 工程洽商记录(技术核定联系单) C01—01—04—02 第 1 页(共 1 页) 内蒙古自治区乌兰察布市中心医院门内蒙古兴泰建筑有限责任工程名称 提出单位 诊楼 公司 洽商依据 根据工程性质以及现场实际情况进行的排版 洽商(核定)内容: 事由:根据工程性质及现场门洞口，窗口等的实际情况， 达到目标:无零碎小块拼凑情况，完成效果整体美观。 具体现场排版情况:根据现场门洞口，以及管井门洞口，窗口等实际位置情况进行排版，排版原则为，洞口两侧对称，分段排版从中心向两侧排版，避免了半砖以下小砖上墙(后附墙面立面排版图)以免影响整体效果。 根据现场实际情况排版以及损耗情况测量计算出损耗结果如下: 一层取样损耗为30.04% 二层取样损耗为26.4% 三层取样损耗为12.1% 四层取样损耗为16.9% 五层取样损耗为42% 计算出的综合损耗为25.56% 建设单位意见: 监理单位意见: 施工单位意见: 签字(公章): 签字(公章): 签字(公章): 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 工程洽商记录(技术核定联系单) C01—01—04—02 第 1 页(共 1 页) 内蒙古自治区乌兰察布市中心医院门内蒙古兴泰建筑有限责任工程名称 提出单位 诊楼 公司 洽商依据 根据现场作业情况，需要进行成品保护 洽商(核定)内容: 事由:现场施工专业比较多，交叉作业工种多，墙面波化砖干挂完成部分认为破坏现象严重，需要对已经完成成品保护。 达到目标:极大地减少交叉作业的破坏情况。 具体施工工艺:用细木工板裁切成200mm宽，1500mm高，用钢排钉做成90度护角，面层用醒目的蓝色进行涂刷，具体做法见后附图。 建设单位意见: 监理单位意见: 施工单位意见: 签字(公章): 签字(公章): 签字(公章): 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 工程洽商记录(技术核定联系单) C01—01—04—01 第 1 页(共 1 页) 内蒙古自治区乌兰察布市中心医院门内蒙古兴泰建筑有限责任工程名称 提出单位 诊楼 公司 洽商依据 根据主体框架结构以及工艺要求 洽商(核定)内容: 事由: 1.根据主体框架结构以及工艺要求，主体结构为框架结构，空心砌块填充结构。我施工单位在进行干挂墙面8#主槽钢施工时，采取了三点固定做法，即顶点使用四眼埋板，10#膨胀螺栓固定在结构顶梁侧面。中心固定点使用四眼埋板，10#膨胀螺栓固定在过梁上，最下方的第三点四眼埋板，10#膨胀螺栓固定在结构地面上。第一点的结构顶梁标高为3800mm，施工时8#主槽钢施工高度为3800mm。玻化砖干挂高度根据玻化砖模块大小和实际情况，二层到十层干挂高度为2970mm，一层干挂高度为3570mm。 2.玻化砖干挂时，吊顶与玻化砖交接处收口位置干挂深入吊顶内200mm。以保证收口处收口质量。 达到目标:使整体结构稳定性更高、牢固、更加经久耐用。 请监理单位，建设单位尽快予以确认，以保证施工进度。 建设单位意见: 监理单位意见: 施工单位意见: 签字(公章): 签字(公章): 签字(公章): 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods. 工程洽商记录(技术核定联系单) C01—01—04—01 第 1 页(共 1 页) 内蒙古自治区乌兰察布市中心医院门内蒙古兴泰建筑有限责任工程名称 提出单位 诊楼 公司 洽商依据 总包方要求 洽商(核定)内容: 2012年11月2日，天气骤然降温，风很大。由于施工现场外幕墙窗户都没有安装完成，导致室内装饰施工无法进行。总包项目部要求我装饰公司进行一层至五层的窗口，洞口，伸缩缝，以及一至十层的幕墙造型部分的封堵，以保证楼内安装装饰施工的进度。 具体工程量如下:窗口计728.38?。洞口9?。伸缩缝327.9米。外露台门洞口6.3?。南幕墙造型凹槽50.4?。一层门边口70.25?。 具体材料使用如下:木工板451张，石膏板20张，发泡胶27箱，30*40木方1336米，钢排钉31盒，水泥板80张，岩棉20m?。 请总包方给予确认。 建设单位意见: 监理单位意见: 施工单位意见: 签字(公章): 签字(公章): 签字(公章): 年 月 日 年 月 日 年 月 日 meet the standard requirements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 "percentage of radiographic examination of welded joints and acceptable level", and fixed number not less than the total number of 40% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by γ-ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector method. Should be consistent with existing national standards for radiographic testing of the ... Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project should be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a number of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods.