Standard No.:	GB/T 50531-2009
English Name:	Standard of valuated building services and components’classification
Chinese Name:	建设工程计价设备材料划分标准
Chinese Classification:	P02    Economic management
Professional Classification:	GB    National Standard
ICS Classification:	91.010.01 91.010.01    Construction industry in general 91.010.01
Issued by:	MOC
Issued on:	2009-9-3
Implemented on:	2009-12-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

1 General Provisions 1.0.1 This standard is prepared to integrate the valuated building services and components' classification and standardize the valuation of the building project. 1.0.2 This standard is applicable to the valuated building services and components' classification and grouping and calculating of the valuated building services and components. 1.0.3 The building services and components’ classification is the basis for the cost of the building; during the preparation of the construction cost related documents, the costs for the equipment shall be, according to the requirements of this standard, included into the equipment procurement cost and that for the building components shall be included into the building or installation cost depending on the discipline classification. 1.0.4 Various disciplines department or sectors may specify the building services and components’ classification of the disciplines according to this standard and not violating the principle of building services and components’ classification specified in this standard. 1.0.5 The construction cost document preparation shall not only comply with this standard but the requirements of the current relevant national standards when the building services and components’ classification is involved. 2 Terms 2.0.1 Equipment The machine, container or complete device which are machined and have the unique construction composed of various parts according to the functions and used for manufacturing and processing, power, transmission, store, transport, research, capacity and energy transfer or switch. 2.0.2 Building services The equipment used to serve the building and the associated ancillary works in terms of electrical, heating, ventilation and air conditioning, water supply and drainage, communication and building intelligence. 2.0.3 Process equipment Various fixed and mobile device used to serve the productive construction project such as industry and traffic. 2.0.4 Standard equipment Series of equipment subjected to the lot production according to the national or industrial product standards. 2.0.5 Nonstandard equipment The special equipment to which no national or industrial standards are provided and will not be subjected to the lot production and generally is designed specifically and made by the equipment manufacturer or processed and made in the manufacturer or construction site by the construction enterprises. 2.0.6 Predominant process component The predominant process or device components in the productive projects such as industry and traffic, such as long-distance pipeline, long-distance cable and long-distance optical fibre cable, as well as the valve and tool in compliance with the required specification, pressure and materials. 2.0.7 Building component The parts and accessories, finished product and semi-finished product other than the equipment body, required for the building and installation works and subjected to the industrial processing.

Contents 1 General Provisions 2 Terms 3 General Requirements 3.1 The Principle of Building Services and Components' Classification 3.2 The Grouping and Calculating of Valuated Building Services and Components 4 The Subitem of Building Services and Components' Classification 4.1 The General Installation Work of Building Services and Components' Classification 4.2 The Transport of Building Services and Components' Classification Explanation of Wording in This Code