Standard No.:	SY/T 6344-2017
English Name:	Fire code for flammable and combustible liquids
Chinese Name:	易燃和可燃液体防火规范
Professional Classification:	SY    Professional Standard - Oil & Gas
Issued by:	China Energy Aminidstration
Issued on:	2017-03-28
Implemented on:	2017-8-1
Status:	valid
Superseding:	SY/T 6344-2010 Flammable and Combustible Liquids Code
Language:	English
File Format:	PDF
Word Count:	100000 words
Price(USD):	3000.0
Delivery:	via email in 1 business day

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009 Directives for standardization - Part 1: Structure and drafting of standards. This standard replaces SY/T 6344-2010 Flammable and combustible liquides code, and the following main technical changes have been made with respect to SY/T 6344-2010: ——The name of the standard is changed to Fire code for flammable and combustible liquids; ——The scope is modified (see clause 1; clause 1 of Edition 2010); ——The normative references are modified (see clause 2; clause 2 of Edition 2010); ——The terms and definitions are modified (see clause 3; clause 3 of Edition 2010); ——The classification of liquids is modified (see clause 4; 3.7 and 3.8 of Edition 2010); ——The fire and explosion prevention and risk control are modified (see clause 5; 7.12, 7.13 and 6.10 of Edition 2010); ——The electrical systems are modified (see clause 6; clause 8 of Edition 2010); ——The storage of liquids in containers - general requirements is modified (see clause 7; 6.1, 6.2, 6.3, 6.4 and 6.9 Edition 2010); ——The storage of liquids in containers - mercantile occupancies is modified (see clause 8; 6.5.6 of Edition 2010); ——The storage of liquids in containers - industrial occupancies is added (see clause 9); ——The storage of liquids in containers - storage occupancies is modified (see clause 10; 6.5.2 of Edition 2010); ——The storage of liquids in containers - detached, unprotected buildings is added (see clause 11); ——The hazardous materials storage lockers is modified (see clause 12; 6.3 of Edition 2010); ——The outdoor storage is modified (see clause 13; 6.7 of Edition 2010); ——The automatic fire protection for inside liquid storage areas is modified (see clause 14; 6.8 of Edition 2010); ——The processing facilities are modified (see clause 15; 7.1, 7.2 and 7.3 of Edition 2010); ——The dispensing, handling, transfer, and use of liquids are modified (see clause 16; 7.3.7 and 7.5 of Edition 2010); ——The specific operations are modified (see clause 17; 7.4 and 7.10 of Edition 2010); ——The storage of liquids in tanks - requirements for all storage tanks are modified (see clause 18; clause 4 of Edition 2010); ——The aboveground tanks are modified (see clause 19; 4.3.2 of Edition 2010); ——The underground tanks are modified (see clause 20; 4.3.3 of Edition 2010); ——The storage tank buildings are modified (see clause 21; 4.3.4 of Edition 2010); ——The aboveground storage tank vaults are modified (see clause 22; 4.2.7 of Edition 2010); ——The piping systems are modified (see clause 23; clause 5 of Edition 2010); ——The bulk loading and unloading facilities for tank cars and tank vehicles are modified (see clause 24; 7.6 of Edition 2010); ——The wharves are modified (see clause 25; 7.7 of Edition 2010); This standard has been redrafted and modified adoption of NFPA 30: 2012 Flammable combustible liquids code. This standard is changed from NFPA 30: 2012 in structure; the comparison table for clause numbers in this standard and those in NFPA 30: 2012 are listed in Annex E. Technical differences have been made in this standard with respect to NFPA 30: 2012, and relevant technical differences and their causes have been listed in Annex F.   In addition, the following editorial changes have been made in this standard: ——The English units are converted into legal units of measurement specified in GB 3101 and GB 3102; ——The contents unrelated to the standard subject content in NFPA 30: 2012 are deleted, including the standard title page, special statement, NFPA preface, and some reference documents only for information reference. This standard was proposed by and is under the jurisdiction of the Technical Committee for Standardization of Safety in Petroleum Industry. This standard replaces SY/T 6344-2010. The previous edition of ST/T 6344-2010 is as follows: ——SY/T 6344-1998. Fire code for flammable and combustible liquids 1 Scope This code specifies the requirements of classification, container storage, piping systems, bulk loading and unloading facilities for tank cars and tank vehicles and fire and explosion prevention and risk control in petroleum and natural gas industry. This code shall apply to the storage, handling, and use of flammable and combustible liquids, including waste liquids, in petroleum and natural gas industry. This code shall not apply to the following: a) Any substance that has a melting point of 100°F (37.8°C) or greater. b) Any liquid that does not meet the criteria for fluidity given in the definition of liquid in clause 3 and in the provisions of clause 4. c) Any cryogenic fluid or liquefied gas, as defined in clause 3. d) Any liquid that does not have a flash point, but which is capable of burning under certain conditions, such as certain halogenated hydrocarbons and mixtures containing halogenated hydrocarbons. e) Any aerosol product. f) Any mist, spray, or foam. g) Transportation of flammable and combustible liquids. h) Storage, handling, and use of fuel oil tanks and containers connected with oil-burning equipment. i) Use and installation of alcohol-based hand rub (ABHR) dispensers. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 3445 Indoor fire hydrant GB 4066 Powder extinguishing agent GB 4351 Portable fire extinguisher GB 4396 Fire extinguishing agent - carbon dioxide GB 4452 Outdoor fire hydrant GB 6246 Fire hose GB 8109 Wheeled fire extinguishers GB 15308 Foam extinguishing agent GB 20031 General technical specifications for foam fire extinguishing systems and components GB 27898 Fixed water supply equipment used for fire-protection SY/T 6306 Safety and technical specification for steel oil tanks SY/T 6355 Oil and gas production dedicated for safety signs NFPA 1 Fire code NFPA 13 Standard for the installation of sprinkler systems NFPA 15 Standard for water spray fixed systems for fire protection NFPA 30A Code for motor fuel dispensing facilities and repair garages NFPA 68 Standard on explosion protection by deflagration venting NFPA 69 Standard on explosion prevention systems NFPA 70 National electrical code NFPA 80 Standard for fire doors and other opening protectives NFPA 85 Boiler and combustion systems hazards code NFPA 91 Standard for exhaust systems for air conveying of vapors, gases, mists, and noncombustible particulate solids NFPA 101 Life safety code NFPA 220 Standard on types of building construction NFPA 221 Standard for high challenge fire walls, fire walls, and fire barrier walls NFPA 307 Standard for the construction and fire protection of marine terminals, piers, and wharves NFPA 505 Fire safety standard for powered industrial trucks including type designations, areas of use, conversions, maintenance, and operations NFPA 2001 Standard on clean agent fire extinguishing systems NFPA 5000 Building construction and safety code API Spec 12B Bolted tanks for storage of production liquids API Spec 12D Field welded tanks for storage of production liquids API Spec 12F Shop welded tanks for storage of production liquids API 620 Recommended rules for the design and construction of large, welded, low-pressure storage tanks API Std 650 Welded steel tanks for oil storage API Std 653 Tank inspection, repair, alteration, and reconstruction ASME Boiler and pressure vessel code ASME B31 Code for pressure piping ASME Code for unfired pressure vessels ASTM A395 Standard specification for ferritic ductile iron pressure-retaining castings for Use at Elevated Temperatures ASTM D5 Standard test method for penetration of bituminous materials ASTM D56 Standard test method for flash point by tag closed cup tester ASTM D86 Standard test method for distillation of petroleum products at atmospheric pressure ASTM D92 Standard test method for flash and fire points by Cleveland open cup tester ASTM D93 Standard test methods for flash point by Pensky-Martens closed cup tester ASTM D323 Standard Test method for vapor pressure of petroleum products (Reid method) ASTM D3278 Standard test methods for flash point of liquids by small scale closed-cup apparatus ASTM D3828 Standard test methods for flash point by small scale closed cup tester ASTM D4359 Standard test for determining whether a material is a liquid or a solid ASTM E119 Standard test methods for fire tests of building construction and materials ASTM F852 Standard specification for portable gasoline containers for consumer use ASTM F976 Specification for portable kerosine and diesel containers for consumer use CSA B51 Boiler, pressure vessel and pressure piping code FM Approval standard for safety containers and filling, supply, and disposal containers FM Approval standard for plastic plugs for steel drums NMFTA National motor freight classification NRFC Uniform freight classification STI SP001 Standard for the inspection of aboveground storage tanks ANSI/UL 30 Standard for metal safety cans UL 58 Standard for steel underground tanks for flammable and combustible liquids ANSI/UL 80 Standard for steel tanks for oil burner fuels and other combustible liquids ANSI/UL 142 Standard for steel aboveground tanks for flammable and combustible liquids UL 971 Standard for nonmetallic underground piping for flammable liquids ANSI/UL 1313 Standard for nonmetallic safety cans for petroleum products ANSI/UI 1314 Standard for special purpose metal containers ANSI/UL 1316 Standard for glass-fiber reinforced plastic underground storage tanks for petroleum products, alcohols, and alcohol-gasoline mixtures ANSI/UL 1746 Standard for external corrosion protection systems for steel underground storage tanks UL 2080 Standard for fire resistant tanks for flammable and combustible liquids ANSI/UL 2085 Standard for protected aboveground tanks for flammable and combustible liquids ANSI/UL 2208 Standard for solvent distillation units ANSI/UL 2245 Standard for below-grade vaults for flammable liquid storage tanks UL 2368 Standard for fire exposure testing of intermediate bulk containers for flammable and combustible liquids UN Recommendations on the transport of dangerous goods 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 approved acceptable to the authority having jurisdiction 3.2 authority having jurisdiction organization, office, or individual responsible for enforcing the requirements of a code or standard, or for approving equipment, materials, an installation, or a procedure 3.3 code standard that is an extensive compilation of provisions covering broad subject matter or that is suitable for adoption into law independently of other codes and standards 3.4 labeled equipment or materials to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner 3.5 listed equipment, materials, or services included in a list published by an organization that is acceptable to the authority having jurisdiction and concerned with evaluation of products or services, that maintains periodic inspection of production of listed equipment or materials or periodic evaluation of services, and whose listing states that either the equipment, material, or service meets appropriate designated standards or has been tested and found suitable for a specified purpose 3.6 alcohol-based hand rub (ABHR) alcohol-containing preparation designed for application to the hands for reducing the number of visible microorganisms on the hands and containing ethanol or isopropanol in an amount not exceeding 95 percent by volume 3.7 area It is classified into the following three types: 3.7.1 control area building or portion of a building within which flammable and combustible liquids are allowed to be stored, dispensed, and used or handled in quantities that do not exceed the maximum allowable quantity 3.7.2 fire area area of a building separated from the remainder of the building by construction having a fire resistance of at least 1 hour and having all communicating openings properly protected by an assembly having a fire resistance rating of at least 1 hour, and its surrounding parts 3.7.3 inside liquid storage area room or building used for the storage of liquids in containers or portable tanks, separated from other types of occupancies

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification of liquids 4.1 Determination of flash point 4.2 Classification of liquids 5 Fire and explosion prevention and risk control 5.1 Scope 5.2 Management of fire and explosion hazards 5.3 Hazards analysis 5.4 Control of ignition sources 5.5 Detection and alarm systems and procedures 5.6 Fire protection and fire suppression systems 5.7 Emergency planning and training 5.8 Inspection and maintenance 5.9 Management of security 6 Electrical systems 6.1 Scope 6.2 General requirements 7 Storage of liquids in containers - General requirements 7.1 Scope 7.2 General requirements 7.3 Material of containers 7.4 Venting of containers 7.5 Container size 7.6 Flammable liquids storage cabinets 7.7 Maximum allowable quantities (MAQs) per control area 7.8 Control areas 7.9 Classification of occupancies that exceed the maximum allowable quantities of liquids per control area 7.10 Construction requirements 7.11 Fire protection 7.12 Electrical systems 7.13 Containment, drainage, and spill control 7.14 Ventilation 7.15 Explosion control 7.16 Separation from incompatible materials 7.17 Dispensing, handling, and use of liquids 7.18 Outdoor storage of liquids 8 Storage of liquids in containers - mercantile occupancies 8.1 Scope 8.2 General requirements 8.3 Control areas 8.4 Specific restrictions 8.5 Construction requirements 8.6 Fire protection 8.7 Electrical systems 8.8 Containment, drainage, and spill control 8.9 Ventilation 8.10 Separation from incompatible materials 8.11 Dispensing, handling, and use of liquids 8.12 Outdoor storage of liquids 9 Storage of liquids in containers - industrial occupancies 9.1 Scope 9.2 General requirements 10 Storage of liquids in containers - storage occupancies 10.1 Scope 10.2 General requirements 10.3 Maximum allowable quantities and maximum storage heights 10.4 Control areas 10.5 General-purpose warehouses 10.6 Construction requirements 10.7 Fire protection 10.8 Electrical systems 10.9 Containment, drainage, and spill control 10.10 Ventilation 10.11 Explosion prevention 10.12 Separation from incompatible materials 10.13 Dispensing, handling, and use of liquids 10.14 Outdoor storage of liquids 11 Storage of liquids in containers - detached, unprotected buildings 11.1 Scope 11.2 General requirements 11.3 Maximum allowable quantities and maximum storage heights 11.4 Construction requirements 11.5 Fire protection 11.6 Electrical systems 11.7 Containment, drainage, and spill control 11.8 Ventilation 11.9 Explosion control 11.I0 Separation from incompatible materials 11.11 Dispensing, handling, and use of liquids 11.12 Outdoor storage of liquids 12 Hazardous materials storage lockers 12.1 Scope 12.2 General requirements 12.3 Design and construction of lockers 12.4 Designated sites for lockers 12.5 Storage requirements 13 Outdoor storage 13.1 Scope 13.2 General requirements 13.3 Outdoor storage (adjacent to a building) 14 Automatic fire protection for inside liquid storage areas 14.1 Scope 14.2 Definitions specific to clause 14.3 General requirements 14.4 Automatic sprinkler and foam-water sprinkler fire protection systems 14.5 Fire protection system design criteria 14.6 Fire protection system design schemes 14.7 Water supply 14.8 Containment, drainage, and spill control 14.9 Other automatic fire protection systems 15 Processing facilities 15.1 Scope 15.2 General requirements 15.3 Location of process vessels and equipment 15.4 Accessibility 15.5 Construction 15.6 Electrical systems 15.7 Containment, drainage, and spill control 15.8 Ventilation 15.9 Process equipment and vessels 15.10 Management of operations hazards 16 Dispensing, handling, transfer, and use of liquids 16.1 Scope 16.2 General requirements 16.3 Dispensing, handling, transfer, and use 16.4 Incidental operations 16.5 Ventilation for dispensing areas 17 Specific operations 17.1 Scope 17.2 Recirculating heat transfer systems 17.3 Vapor recovery and vapor processing systems 17.4 Solvent distillation units 18 Storage of liquids in tanks - Requirements for all storage tanks 18.1 Scope 18.2 General requirements 18.3 Design and construction of storage tanks 18.4 Testing for tanks 18.5 Fire prevention and control 18.6 Operation of storage tanks 18.7 Inspection and maintenance of storage tanks and storage tank appurtenances 18.8 Change of stored liquid 19 Aboveground storage tanks 19.1 Scope 19.2 Definitions specific to Clause 19.3 General requirements 19.4 Location of aboveground storage tanks 19.5 Installation of aboveground storage tanks 19.6 Vent piping for aboveground tanks 19.7 Emergency relief venting for fire exposure for aboveground storage tanks 19.8 Fire protection for aboveground storage tanks 19.9 Additional requirements for fire-resistant aboveground storage tanks 19.10 Additional requirements for protected aboveground storage tanks 19.11 Control of spills from aboveground storage tanks 19.12 Equipment, piping, and fire protection systems in remote impoundment areas and diked areas 19.13 Aboveground tank openings other than vents 19.14 Requirements for placement of aboveground storage tanks located in areas subject to flooding 19.15 Collision protection for aboveground storage tanks 19.16 Installation instructions for aboveground storage tanks 19.17 Inspection and maintenance of aboveground storage tanks 20 Underground tanks 20.1 Scope 20.2 General requirements 20.3 Location of underground storage tanks 20.4 Installation of underground storage tanks 20.5 Normal venting for underground storage tanks 20.6 Tank openings other than vents 20.7 Requirements for placement of underground storage tanks located in areas subject to flooding 20.8 Installation instructions for underground storage tanks 20.9 Inspection and maintenance of underground storage tanks 21 Storage tank buildings 21.1 Scope 21.2 Location 21.3 Construction 21.4 Fire protection 21.5 Electrical systems 21.6 Containment, drainage, and spill control 21.7 Ventilation 21.8 Vents for tanks 21.9 Tank openings other than vents for tanks 21.10 Detection and alarm 21.11 Inspection and maintenance for buildings 22 Vaults for aboveground tanks 22.1 Scope 22.2 General requirements 22.3 Location of storage tank vaults 22.4 Construction and installation of storage tank vaults 22.5 Fire protection for storage tank vaults 22.6 Electrical systems for storage tank vaults 22.7 Containment, drainage, and spill control for storage tank vaults 22.8 Ventilation systems for storage tank vaults 22.9 Vents for tanks inside storage tank vaults 22.10 Detection and alarm systems for storage tank vaults 22.11 Inspection and maintenance of storage tank vaults 23 Piping systems 23.1 Scope 23.2 Specific definitions 23.3 General requirements 23.4 Materials for piping systems 23.5 Pipe joints 23.6 Installation of piping systems 23.7 Test of piping 23.8 Vent piping 23.9 Bonding and grounding 23.10 Identification and marking of piping systems 23.11 Special requirements for marine piping systems 23.12 Removal from service of piping systems 24 Loading and unloading for tank cars and tank vehicles 24.1 Scope 24.2 General requirements 24.3 Location of loading and unloading facilities 24.4 Roofed structures 24.5 Electrical systems 24.6 Containment, drainage, and spill control 24.7 Equipment 24.8 Operating requirements 25 Wharves 25.1 Scope 25.2 General requirements Annex A (Informative) Explanatory material Annex B (Informative) Emergency relief vent for fire exposure for aboveground tanks Annex C (Informative) Close or removal of underground storage tanks Annex D (Informative) Development of fire protection system design criteria and other suggested fire protection for Clause Annex E (Informative) Structural changes between this code and NFPA 30: Annex F (Informative) Technical differences between this code and NFPA 30:2012 and the relevant reasons Bibliography