CJJ/T 147-2010 Active Industry standards-Urban construction

CJJ/T 147-2010 Technical specification for trenchless rehabilitation and replacement engineering of city gas pipe

Publish Date: 2010-07-23 Implement Date: 2011-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: CJJ/T 147-2010

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Gas supply project

ICS Name: \nGas supply system

Publish Date: 2010-07-23

Implement Date: 2011-01-01

Pages: 51 pages

Scope

1.0.1 In order to ensure that the non-excavation repair and renewal of urban gas pipelines is technologically advanced, economically reasonable, safe and reliable, guarantees the quality of the project and protects the environment, these regulations are formulated. 1.0.2 These regulations apply to the design, construction, and acceptance of line-based repair and renewal projects for in-service gas pipelines with a working pressure of no more than 0.4MPa, using insertion methods, folded pipe lining methods, reduced diameter lining methods, hydrostatic cracking methods, and flipping lining methods. These regulations do not apply to the non-excavation construction of newly built buried urban gas pipelines, localized repair, or the repair and renewal of overhead gas pipelines. 1.0.3 The design, supervision, and construction of non-excavation repair and renewal projects for urban gas pipelines shall be undertaken by units with the appropriate qualifications; the project must obtain approval from the relevant departments before it can commence.