Standard No.:	CJJ 140-2010
English Name:	Technical specification for secondary water supply engineering
Chinese Name:	二次供水工程技术规程
Professional Classification:	CJ    Professional Standard - Urban Construction
Issued by:	MOHURD
Issued on:	2010-4-17
Implemented on:	2010-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	170.0
Delivery:	via email in 1 business day

本规程适用于城镇新建、扩建和改建的民用与工业建筑生活饮用水二次供水工程的设计、施工、安装调试、验收、设施维护与安全运行管理。

Contents 1 General Principles 2 Terms 3 Basic Requirements 4 Water Quality, Water Quantity and Hydraulic Pressure 5 System Design 5.1 General Requirement 5.2 System Selection 5.3 Flow and Pressure 5.4 Pipe Layout 6 Device and Facilities 6.1 Cistern (water tank) 6.2 Pressure Vessel 6.3 Water Pump 6.4 Pipeline Accessory 6.5 Disinfecting Device 7 Pump Room 8 Control and Protection 8.1 Control 8.2 Protection 9 Construction 9. 1 General Requirement 9.2 Equipment Installation 9.3 Pipeline Laying 10 Debugging and Acceptance 10.1 Debugging 10.2 Acceptance 11 Operation Maintenance and Management 11.1 General Requirement 11.2 Facility Maintenance 11.3 Operation Management Explanation of Wording in this Specification List of Quoted Standards