2　Normative Reference

The following references are essential to this Specification.While for those with date noted，only their revisions noted with date shall be applicable to this Specification and for those without date noted，their latest revisions（including all their amendments）shall be applicable to this Specification.

GB 12348　Emission standard for industrial enterprises noise at boundary

GB 50007　Code for design of building foundations

GB 50014　Code for design of outdoor wastewater engineering

GB 50183　Code forfire protection design of petroleum and natural gas engineering

GBJ 22　Code for design of roads in factories and mining areas

TSG R1001-2008　Design appraisal regulations for pressure vessels and pressure pipe