2　Normative References

The following references are essential to this Specification.For dated references，the dated version thereof shall apply.For undated references，the latest version（including all amendments）thereof shall apply.

GB/T 19001-2008　Quality Management System—Requirements

GB/T 24001-2004　Environmental Management System—Requirements with Guidance for Use

GB/T 28001-2011　Occupational Health and Safety Management System—Requirements

GB 50300　Unified Standard for Constructional Quality Acceptance of Building Engineering

GB 50517　Code for Construction Quality Acceptance of Metallic Piping in Petrochemical Engineering

SH/T 3508　General Specification for Construction and Acceptance for Petrochemical Engineering

TSG Z0004　Basic Requirements for Special Equipment Quality Assurance System on Manufacture，Installation，Alternation and Repair