NFPA 56 : 2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
FIRE AND EXPLOSION PREVENTION DURING CLEANING AND PURGING OF FLAMMABLE GAS PIPING SYSTEMS
Hardcopy
08-13-2021
English
01-01-2017
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Chapter 1 - Administration
Chapter 2 - Referenced Publications
Chapter 3 - Definitions
Chapter 4 - General Requirements
Chapter 5 - Training Requirements
Chapter 6 - Cleaning
Chapter 7 - Purging into Service
Chapter 8 - Purging Out of Service
Annex A - Explanatory Material
Annex B - Purge End Points for Common Flammable Gases
Annex C - Sample Purge Procedure
Annex D - Informational References
Index
Gives minimum safety requirements for the cleaning and purging of flammable gas piping systems, including cleaning new or existing piping systems, and purging piping systems into or out of service, from the point of delivery or source valve to the equipment isolation valve.
| DevelopmentNote |
Supersedes NFPA 56 (PS). (08/2015)
|
| DocumentType |
Standard
|
| Pages |
59
|
| PublisherName |
National Fire Protection Association
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| NFPA 67 : 2016 | GUIDE ON EXPLOSION PROTECTION FOR GASEOUS MIXTURES IN PIPE SYSTEMS |
| MIL-C-85043 Revision B:1987 | CLOTHS, CLEANING, LOW LINT |
| GG-X-635 Revision D:1963 | X-RAY APPARATUS SET, RADIOGRAPHIC AND FLUOROSCOPIC, MEDICAL |
| Z276-18 | Liquefied natural gas (LNG) - Production, storage, and handling |
| ISO/TS 19883:2017 | Safety of pressure swing adsorption systems for hydrogen separation and purification |
| NFPA 37 : 2018 | INSTALLATION AND USE OF STATIONARY COMBUSTION ENGINES AND GAS TURBINES |
| NFPA 33 : 2018 | SPRAY APPLICATION USING FLAMMABLE OR COMBUSTIBLE MATERIALS |
| NFPA 87 : 2018 | FLUID HEATERS |
| NFPA 54 : 2018 | NATIONAL FUEL GAS CODE |
| NFPA 850 : 2015 | FIRE PROTECTION FOR ELECTRIC GENERATING PLANTS AND HIGH VOLTAGE DIRECT CURRENT CONVERTER STATIONS |
| ANSI Z223.1 : 2018 | NATIONAL FUEL GAS CODE |
| GG S 001090 : A | SUCTION AND PRESSURE APPARATUS, SURGICAL, EXPLOSION-PROOF, SINGLE COMPRESSOR, MOBILE, 110 VOLT, 60 CYCLE, AC: (FOR EAR, NOSE AND THROAT PROCEDURES) |
| GG-S-00795 Revision B:1990 | SUCTION AND PRESSURE APPARATUS, SURGICAL, EXPLOSION-PROOF, DOUBLE COMPRESSOR, MOBILE, 115 VOLT; 60 CYCLE, AC (WITH ETHER VAPORIZER) |
| GG-C-126 Revision A:1952 | CARRIAGE, PAIL CRM (FRAME, KICK BUCKET) |
| AA-S-698 Revision B:0196 | STOOL, STRAIGHT |
| PD ISO/TS 19883:2017 | Safety of pressure swing adsorption systems for hydrogen separation and purification |
| GG-S-1341 Revision A:1975 | WASHER-STERILIZER, SURGICAL INSTRUMENT |
| NFPA 59A : 2016 | PRODUCTION, STORAGE, AND HANDLING OF LIQUEFIED NATURAL GAS (LNG) |
| NFPA 2 : 2016 | HYDROGEN TECHNOLOGIES CODE |
| NFPA 52 : 2016 | VEHICULAR NATURAL GAS FUEL SYSTEMS CODE |
| NFPA 820 : 2016 | FIRE PROTECTION IN WASTEWATER TREATMENT AND COLLECTION FACILITIES |
| NFPA 1 : 2021 | FIRE CODE |
| ICC IFC CODE & COMMENTARY VOLUME 1 & 2 : 2015 | IFC® Code and Commentary |
| GG-S-743 Revision C:1975 | STAND, SURGICAL INSTRUMENT |
| AA-C-112 Revision D:1976 | CARTS, SURGICAL DRESSING |
| NFPA 85 : 2015 | BOILER AND COMBUSTION SYSTEMS HAZARDS CODE |
| ASTM F 2319 : 2004 | Standard Specification for Fixed Wing Basic Life Support, Advanced Life Support, and Specialized Medical Support Air Ambulances (Withdrawn 2013) |
| GG-S-618 Revision D:1978 | SPHYGMOMANOMETER, ANEROID AND MERCURIAL |
| AA-S-696 Base Document:1976 | STOOL, REVOLVING, SURGEON'S |
| MIL-C-37722 Base Document:1978 | COVER, SURGICAL INSTRUMENT AND DRESSING CABINET |
| MIL-A-36665 Base Document:1970 | ADAPTERS, CONDUCTIVE NEOPRENE, ENDOTRACHEAL ANESTHESIA SET |
| GG-S-1344 Revision A:0197 | STERILIZER, ETHYLENE OXIDE GAS, FOR HEAT- AND MOISTURE-LABILE SURGICAL INSTRUMENTS AND SUPPLIES (NONPORTABLE) |
| ZZ-T-831 Revision D:1978 | TUBING, RUBBER AND PLASTIC |
| ASTM D 4238 : 1990 | Standard Test Method for Electrostatic Propensity of Textiles (Withdrawn 1996) |
| NFPA 1 : 2018 | FIRE CODE |
| ICC IFC International Fire Code:2021 | International Fire Code |
| NFPA 850:2020 | Recommended Practice for Fire Protection for Electric Generating Plants and High Voltage Direct Current Converter Stations |
| NFPA 52:2023 | Vehicular Natural Gas Fuel Systems Code |
| NFPA 31 : 2016 | INSTALLATION OF OIL-BURNING EQUIPMENT |
| NFPA 87 : 2018 | FLUID HEATERS |
| NFPA 58 : 2017 | LIQUEFIED PETROLEUM GAS CODE |
| ASME B31.1 : 2016 | POWER PIPING |
| NFPA 30A : 2018 | MOTOR FUEL DISPENSING FACILITIES AND REPAIR GARAGES |
| NFPA 801 : 2014 | FIRE PROTECTION FOR FACILITIES HANDLING RADIOACTIVE MATERIALS |
| NFPA 400 : 2016 | HAZARDOUS MATERIALS CODE |
| ASME B31.3:2016 | PROCESS PIPING |
| NFPA 69 : 2014 | EXPLOSION PREVENTION SYSTEMS |
| CFR 49(PTS186-199) : 0 | TRANSPORTATION |
| ASME B31.12 : 2014 | HYDROGEN PIPING AND PIPELINES |
| NFPA 55 : 2016 | COMPRESSED GASES AND CRYOGENIC FLUIDS CODE |
| NFPA 86 : 2015 | OVENS AND FURNACES |
| NFPA 52 : 2016 | VEHICULAR NATURAL GAS FUEL SYSTEMS CODE |
| NFPA 51B : 2014 | FIRE PREVENTION DURING WELDING, CUTTING, AND OTHER HOT WORK |
| NFPA 59 : 2018 | UTILITY LP-GAS PLANT CODE |
| NFPA 99 : 2018 | HEALTH CARE FACILITIES CODE |
| NFPA 85 : 2015 | BOILER AND COMBUSTION SYSTEMS HAZARDS CODE |
| NFPA 45 : 2015 | FIRE PROTECTION FOR LABORATORIES USING CHEMICALS |
| NFPA 70 : 2017 | NATIONAL ELECTRICAL CODE |
| NFPA 59A : 2016 | PRODUCTION, STORAGE, AND HANDLING OF LIQUEFIED NATURAL GAS (LNG) |
| NFPA 1 : 2018 | FIRE CODE |
| NFPA 51 : 2018 | DESIGN AND INSTALLATION OF OXYGEN-FUEL GAS SYSTEMS FOR WELDING, CUTTING, AND ALLIED PROCESSES |
| NFPA 30 : 2018 | FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE |
| NFPA 77 : 2014 | STATIC ELECTRICITY |
| NFPA 51A : 2012 | ACETYLENE CYLINDER CHARGING PLANTS |
| CFR 29(PT1926) : 0 | LABOR - OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR - SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION |
| NFPA 54 : 2018 | NATIONAL FUEL GAS CODE |
| NFPA 37 : 2018 | INSTALLATION AND USE OF STATIONARY COMBUSTION ENGINES AND GAS TURBINES |
| NFPA 2 : 2016 | HYDROGEN TECHNOLOGIES CODE |
| CFR 49(PTS100-185) : 0 | TRANSPORTATION |
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