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national standards of People's Republic of China

Code for acceptance of construction water supply and drainage and heating engineering quality

Code for acceptance of construction quality of Water supply drainage and heating works

GB 50242-2002

Compiling institutes: Liaoning Provincial Construction Department
Approval department: Ministry of Construction of the People's Republic of China Date of implementation: April 1, 2002

Notice on Issuing National Standard "Code for Construction Quality Acceptance of Building Water Supply and Drainage and Heating Engineering"
Jian Biao [2002] No. 62

In accordance with the requirements of the Ministry of Construction's "Notice on Issuing and Revising the National Standard Development and Revision Plan for Project Construction 1995-96" (Build Standard [1996] No. 4), the Construction Department of Liaoning Province jointly revised it with relevant departments "Code for Construction Quality Acceptance of Building Water Supply and Drainage and Heating Engineering." The Ministry of the People's Republic of China organized a review of this specification, and it is now approved as a national standard, numbered GB 50242-2002, which will be implemented as of April 1, 2002. Among them, 3.3.2, 3.3.16, 4.1.2, 4.2.3, 4.3.1, 5.2.1, 8.2.1, 8.3.1, 8.5.1, 8.5.2, 8.6.1, 8.6.3, 9.2.7, 10.2.1, 11.3.3, 13.2.6, 13. 4.1, 13.4.4, 13.5.3, 13.6.1 are mandatory provisions and must be strictly enforced. The original "Heating and Sanitation Engineering Construction and Acceptance Specifications" GBJ 242-82 and "Building Heating Sanitation and Gas Engineering Quality Inspection and Evaluation Standards" GBJ 302-88 related to the "Heating and Sanitary Engineering" section were abolished at the same time.
The Ministry of Construction is responsible for the management and interpretation of the compulsory provisions, the Shenyang Urban and Rural Construction Committee is responsible for the interpretation of specific technical content, and the Ministry of Construction Standard Quota Research Institute organizes the publication and distribution of China Construction Industry Press.

Ministry of Construction of the People's Republic of China
March 15, 2002

Foreword

This code is based on the spirit of our Ministry of Construction Standard [1996] No. 4 document. The Liaoning Provincial Construction Department is the main editor and the Shenyang Urban and Rural Construction Committee is the main editor. The Code for Heating and Sanitary Engineering Construction and Acceptance is jointly worked with relevant units. 242-82 and "Building Heating Sanitary and Gas Engineering Quality Inspection Evaluation Standard" GBJ 302-88 amended.
During the revision process, the standardization team carried out a special study, conducted a wide range of investigations, and summarized many years of experience in design, materials, and construction of building water supply, drainage, and heating projects. , Process control "policy, to carry out a comprehensive modification; added construction water system and swimming pool water system installation, heat exchange station installation, low-temperature hot water floor radiant heating system installation and new materials (such as: composite pipes, plastic pipes, copper pipes , New radiators, quick-install pipe fittings, etc.), and extensively solicited opinions from relevant units across the country in a variety of ways, repeatedly revised the main issues, and reviewed and finalized them in August 2001.
This specification mainly defines the division of project quality acceptance. Procedures and organizations shall be implemented in accordance with the national standard "Uniform Standard for Quality Acceptance of Construction Engineering Construction" GB 50300; the inspection and testing contents of the use functions are proposed; each subproject is listed The quality inspection methods of main control projects and general projects in China.
This code may require partial revisions in the future. Information and provisions about the partial revisions will be published in the "Engineering Construction Standardization" magazine.
The provisions in this code marked with bold type are mandatory and must be strictly implemented. In order to improve the quality of the code, all units are required to pay attention to summing up experience and accumulating data during the implementation of this code, and to feed back relevant opinions and suggestions to the Shenyang Urban and Rural Construction Committee and the national standard "Construction Quality Acceptance of Building Water Supply and Drainage and Heating Engineering The Management Group (Address: 8F, Building, 115 Main Station Road, Heping District, Shenyang City, Post Code: 110002, Email: songbo75@sohu.com), for reference in future revision
Compiling institutes of this code: Urban and Rural Construction Committee of Shenyang City
This code is edited by: China Northeast Architectural Design and Research Institute Shenyang Shanmeng Construction (Group) Company Liaoning Architectural Design and Research Institute Shenyang North Construction (Group) Company China Academy of Building Research Harbin Institute of Technology Fujian Yatong Plastic Co., Ltd
The main drafters of this code: Song Bo, Luo Hong, Xiao Lansheng, An Yuheng, Jin Zhentong, Dai Wenge, Xu Wei, Dong Chongcheng, Huang Wei, Chen Yan, Wei Zuoyou