Standard No.:	GB 51142-2015
English Name:	Code for design liquefied petroleum gas(LPG) supply engineering
Chinese Name:	液化石油气供应工程设计规范
Professional Classification:	GB    National Standard
Issued by:	MOHURD
Issued on:	2015-12-03
Implemented on:	2016-8-1
Status:	valid
Superseding:	GB 50028-2006 Code for design of city gas engineering
Language:	English
File Format:	PDF
Word Count:	16000 words
Price(USD):	480.0
Delivery:	via email in 1 business day

1 General Provisions 1.0.1 This code is formulated with view to making the design of liquefied petroleum gas (LPG) supply engineering meet the requirements such as safety production, supply assurance, advanced technology, economic feasibility and environmental protection. 1.0.2 This code is applicable to the design of the constructed, renovated and extended pipeline transmission engineering of LPG in liquid state and the following city LPG supply engineering with storage volume less than or equal 10,000m3: 1 LPG stored stations, stored and delivered stations and filling stations; 2 LPG vaporizing station, LPG-air (other fuel gas) mixing station and vaporizing station of multiple cylinder installations; 3 Bottled LPG delivered station. 1.0.3 This code is not applicable to the design of the following LPG engineering and plants: 1 LPG processing, storage, filling and transportation engineering of refinery, petrochemical plant, oil and gas field and natural gas processing plant; 2 LPG fully refrigerated storage, semi-refrigerated storage, filling and transportation engineering (excluding the fire separation distance between the fully and semi-refrigerated storage tanks and the off-station buildings, structures and storage yards); 3 LPG transportation facilities by sea and inland water; 4 LPG plants used on steamers, railway rolling stock and automobiles; 5 Automobile LPG filling station. 1.0.4 In addition to this code, the design of LPG supply engineering shall also comply with those specified in the current relevant standards of the nation.   2 Terms 2.0.1 LPG supply station a special place having such functions as storage, loading and unloading, filling, vaporizing, mixing and delivery and mainly used for LPG storage and delivery, vaporizing (mixing) or marketing, and also a generic term for LPG plants and stations, including LPG stored station, stored and delivered station, filling station, vaporizing station, LPG-air (other fuel gas) mixing station, vaporizing station of multiple cylinder installations and bottled supply station 2.0.2 LPG stored station a special place composed of storage and handling equipment, mainly used for storage and having the main function of delivering LPG to filling station, vaporizing station and LPG-air (other fuel gas) mixing station 2.0.3 LPG stored and delivered station a special place composed of storage, filling and handling equipment and having the main function of LPG storage and the auxiliary function of LPG filling operation 2.0.4 LPG filling station a special place composed of filling, storage and handling equipment and having the main function of LPG filling operation 2.0.5 LPG vaporizing station a special place composed of storage and vaporizing equipment, having the main function of transforming LPG in liquid state into LPG in gas state and also used for supplying gas to users via pipeline 2.0.6 LPG-air (other fuel gas) mixing station a special place composed of storage, vaporizing and mixing equipment, transformed LPG in liquid state into LPG in gas state, mixing LPG in gas state with air or other fuel gas according to certain proportion to prepare gas mixture, stabilizing the gas pressure and then supplying gas to users via pipeline

1 General Provisions 2 Terms 3 Basic Requirements 4 Pipeline Transmission of Liquefied Petroleum Gas in Liquid State 4.1 General Requirements 4.2 Pipeline Design 4.3 Pipe Laying 5 LPG Stored Stations, Stored and Delivered Stations and Filling Stations 5.1 General Requirements 5.2 Plane Layout 5.3 Processes and Equipment 6 LPG Vaporizing Station and LPG-air (Other Fuel Gas) Mixing Station 6.1 Plan Layout 6.2 Processes and Equipment 7 LPG Vaporizing Station of Multiple Cylinder Installations 8 Bottled LPG Delivered Station 9 Pipes and Pipe Fittings, Storage Tanks and Other Containers, and Corrosion Prevention 9.1 Pipe Materials and Pipe Fittings 9.2 Pipe Connection 9.3 Storage Tanks and Other Containers 9.4 Corrosion Prevention of Pipes and Storage Tanks 10 Buildings Fire Protection and Heating, Ventilation and Verdurization 10.1 Buildings Fire Protection 10.2 Heating, Ventilation and Verdurization 11 Fire Water Supply, Station Area Drainage and Fire Extinguishers Arrangement 11.1 Fire Water Supply 11.2 Station Area Drainage 11.3 Fire Extinguishers Arrangement 12 Electric and Telecommunications 12.1 Electric 12.2 Lightning Protection and Electrostatic Prevention 12.3 Testing Instruments and Alarm System 12.4 Telecommunication Annex A Level and Scope Division of the Explosive Hazardous Area of Liquefied Petroleum Gas Supply Station Explanation of Wording in This Code List of Quoted Standards