精选优质文档-倾情为你奉上1、 总则General 上海赛科90万吨年乙烯工程属中外合资的大型项目,由于工期要求紧,参战单位多,现场安全、质量要求严格,为保证工程安全、高效、高质量交工特编制此无损检测施工技术方案。Shanghai SECCO 900ktay ethylene project is a large joint venture project with a short construction period and lot of construction institutes as well as the strict requirements of site safety and quality. We make this Method Statement for NDT with intention to ensure the turn over in terms of safety, high efficiency and high quality.11 编制依据 Basis压力容器无损检测 (JB473094)NDT of