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People's Republic of China Industry Standards

Code for construction and acceptance of urban heating pipe network projects

Code for construction and acceptance of city heating pipelines

CJJ 28-2014

Approval department: Ministry of Housing and Urban-Rural Development of the People's Republic of China Effective date: October 1, 2014

Announcement No. 354 of the Ministry of Housing and Urban-Rural Development of the People's Republic of China

Announcement of the Ministry of Housing and Urban-Rural Development on the release of the industry standard "Code for Construction and Acceptance of Urban Heating Pipeline Engineering"

The Code for Construction and Acceptance of Urban Heating Pipeline Projects is now approved as the industry standard, numbered CJJ 28-2014, and will be implemented as of October 1, 2014. Among them, Articles 2.4.3, 5.1.9, 5.4.11, 5.4.15, and 8.2.7 are mandatory provisions and must be strictly implemented. The original industry standard "Code for Construction and Acceptance of Urban Heating Pipeline Engineering" CJJ 28-2004 was abolished at the same time.
This specification is published by China Construction Industry Press organized by the Standard Quota Research Institute of our Ministry.

Ministry of Housing and Urban-Rural Development of the People's Republic of China
April 2, 2014

Foreword

In accordance with the requirements of the Ministry of Housing and Urban-Rural Development's "Notice on Printing and Distributing the" 2008 Construction Standards and Standards Development and Revision Plan (First Batch) "(Jianbiao [2008] No. 102), the standardization team conducted extensive research and Carefully summarize practical experience, refer to relevant international standards and advanced foreign standards, and prepare this specification on the basis of extensive consultation.
The main technical contents of this specification are: 1. General provisions; 2. 2. Preparation for construction; Engineering survey; 4. Civil engineering; 5. Pipe installation; 6. 6. Thermal power station and relay pump station; Preservation and insulation; 8. 9. Pressure test, cleaning, and test operation; Project completion acceptance.
The main contents of this revision are:
1 Added requirements for project construction preparation;
2 The original civil structure engineering has been re-divided, and the construction and acceptance regulations for the laying of pipelines and waterproofing works on the ground have been added;
3 Added regulations for construction and acceptance of directly buried steam pipelines, and supplemented original installation and acceptance standards for hot water pipelines
4 The welding and inspection of pipelines are merged into Chapter 5, and some contents of pipeline installation and inspection are supplemented;
5 Added construction and acceptance regulations for energy measurement;
6 Increased unit engineering acceptance regulations;
7 The new technologies and processes that have appeared in recent years have been incorporated into this specification, while the incompatible contents in the provisions have been modified and new contents have been added.
The provisions marked in bold in this code are mandatory and must be strictly enforced.
The Ministry of Housing and Urban-Rural Development is responsible for the management and interpretation of the compulsory provisions, and Beijing Thermal Power Group Co., Ltd. is responsible for the interpretation of specific technical content. If you have any comments or suggestions during the implementation, please send them to Beijing Thermal Power Group Co., Ltd. (Address: Block A, Wentelai Center, No. 1 Xidawang Road, Chaoyang District, Beijing; 100026)
Compiling institutes of this code : Beijing Thermal Power Group Co., Ltd.
This code is edited by : Beijing Thermal Engineering Design Company
Beijing Teze Thermal Engineering Design Co., Ltd.
Beijing Urban Construction Road and Bridge Construction Group Co., Ltd.
Tangshan Heating Power Corporation
Mudanjiang Thermal Power Co., Ltd.
Beijing Haotei Pipeline Equipment Co., Ltd.
Beijing Weiye Heating Equipment Co., Ltd.
Beijing Fleischbo Tiger Metal Bellows Co., Ltd.
Tianjin Tiancai Plastic Waterproof Material Co., Ltd.
The main drafters of this code : Liu Rong, Wang Buffalo Xiaohua, Wang Shuibin, Zhang Yucheng, Jia Lihua, Liu Hongying, Yu Liming, Li Xiaoping, Dong Leyi, Xu Jinfeng, Wang Xiaoguo, Li Ping, Ren Bin, Tang Wei, Liang Jingjian, Ma Jian, Zhou Wanbin, Wang Ying
Main reviewers of this code : Wang Huai, Zhang Guojing, Cui Zhijie, Feng Jibei, Li Chunlin, Liu Shumao, Zhang Jianwei, An Lei, Huang Xiaofei, Shenghui He, Hongsheng