CJJ 94-2009 (English Version) PDF

Scope: This specification is formulated to unify the construction and quality acceptance of urban gas indoor projects, ensure the construction quality of urban gas indoor projects, and ensure safe gas supply. This specification is applicable to newly built, expanded and renovated urban residential buildings, commercial users, gas boiler rooms (excluding the boiler body), laboratories, and industrial enterprises (excluding gas equipment) whose air supply pressure is less than or equal to 0.8MPa (gauge pressure). ) and other users’ indoor gas pipelines and gas equipment installation construction and quality acceptance.

CJJ 94-2009 Referenced Document

CJJ 12-1999 Specification for installation and acceptance of domestic gas burning appliances
CJJ 33 Code for construction and acceptance of city and town gas distribution works
GB 50028 Code for Design of Town Gas*， 2020-04-16 Update
GB 50093 Code for construction and quality acceptance of automation instrumentation engineering*， 2013-01-28 Update
GB 50166 Standards for construction and acceptance of automatic fire alarm system*， 2020-01-10 Update
GB 50235 Code for construction of industrial metallic piping engineering*， 2010-08-18 Update
GB 50236 Code for construction of field equipment, industrial pipe welding engineering*， 2011-02-18 Update
GB 50261 Code for construction and acceptance of automatic sprinkler system*， 2017-07-05 Update
GB/T 12605 Non-destructive testing.Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes
GB/T 8923 Rust grades and preparation grades of steel surfaces before application of paints and related products
SY 6503 Safety specification of combustible gas detection and alarm system for petroleum and natural gas engineering*， 2016-01-07 Update

2009 CJJ 94-2009 Code for construction and quality acceptance of city indoor gas engineering
2003 CJJ 94-2003 Code for construction and acceptance of city indoor gas engineering