• API 2009 : 2002 : R2007

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    SAFE WELDING, CUTTING, AND HOT WORK PRACTICES IN THE PETROLEUM AND PETROCHEMICAL INDUSTRIES

    Available format(s):  Hardcopy, PDF

    Superseded date:  18-02-2021

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  American Petroleum Institute

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    Table of Contents - (Show below) - (Hide below)

    1 INTRODUCTION
       1.1 Purpose
       1.2 Scope
       1.3 Retroactivity
       1.4 Concept of Hazard vs Risk
       1.5 General Hot Work Process
    2 REFERENCED PUBLICATIONS
    3 DEFINITIONS
    4 JOB ANALYSIS
       4.1 Job Analysis
       4.2 Review by Qualified Persons
    5 HAZARD EVALUATION AND RISK REDUCTION
       5.1 General
       5.2 Physical Hazards
       5.3 Potential Acute Health Hazards and Risk Reduction
       5.4 Potential Chronic Health Hazards and Risk Reduction
       5.5 Flammable Liquids, Vapors, Solids, or Dusts
       5.6 Combustible Materials
       5.7 Ignition Sources
       5.8 Water
       5.9 Wind
       5.10 Equipment with Liners, Blisters, or Patch Plates
       5.11 Electrical Hazards to Personnel
       5.12 Noise
    6 IMPLEMENTATION OF SAFEGUARDS
       6.1 General Concepts of Safeguards and Risk Reduction
       6.2 Equipment Purging and Ventilation
       6.3 Protection of Personnel
       6.4 Safeguards Against Ignition Hazards
       6.5 Fire Watch Personnel
    7 TESTING FOR HAZARDS
       7.1 Flammability Testing
       7.2 Oxygen Testing
       7.3 Monitoring for Toxic Substances
       7.4 Frequency of Monitoring the Atmosphere
    8 HOT WORK PERMITS
       8.1 General
       8.2 Permit Requirements
       8.3 Issuing and Closing-out the Permit
       8.4 Interrupted Work
       8.5 Extending the Permit
    9 HOT WORK IN CONFINED SPACES
       9.1 Confined Space Entry
       9.2 Oxygen Content in Confined Spaces
       9.3 Flammable Vapor Concentration
       9.4 Confined Space Ventilation
       9.5 Frequency of Monitoring in Confined Spaces
       9.6 Pyrophoric Iron Precautions
    10 WORK INSIDE VESSELS, EXCHANGERS, AND TANKS
       10.1 Preparations
       10.2 Maintaining a Safe Work Environment
       10.3 Inspection of Internals
    11 WORK ON THE EXTERIOR OF VESSELS, EXCHANGERS,
       AND TANKS NOT IN SERVICE
    12 WORK ON EQUIPMENT IN SERVICE
       12.1 Decision Process for Work on Equipment in Service
       12.2 Hot Work With Hydrocarbons Present
       12.3 Work on the Exterior of Atmospheric Pressure In-service
            Vessels
       12.4 Hot Work on Equipment under Vacuum
       12.5 Leak Repair
    13 WORK IN BUILDINGS AND PITS
    14 WORK ON PIPING
       14.1 General Considerations for Work on Piping
       14.2 Piping Isolation
       14.3 Venting of Piping
       14.4 Piping Contamination and Coating
       14.5 Hot Tapping
    APPENDIX A - BIBLIOGRAPHY
    APPENDIX B - INERTING VESSELS

    Abstract - (Show below) - (Hide below)

    Gives guidelines for safely conducting welding, cutting or other hot work activities in refineries, gas plants, petrochemical plants and other facilities in the petroleum and petrochemical industries.

    General Product Information - (Show below) - (Hide below)

    Document Type Revision
    Product Note Reconfirmed 2007
    Publisher American Petroleum Institute
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    API STD 1104:2013 WELDING OF PIPELINES AND RELATED FACILITIES
    AWS AWN : 1979 ARC WELDING AND CUTTING NOISE
    NFPA 325 : 1994 FIRE HAZARD PROPERTIES OF FLAMMABLE LIQUIDS, GASES, AND VOLATILE SOLIDS
    AWS F2.2 : 2001 LENS SHADE SELECTOR
    AWS F1.3 : 1999 A SAMPLING STRATEGY GUIDE FOR EVALUATING CONTAMINANTS IN THE WELDING ENVIRONMENT
    API 653 : 2014 TANK INSPECTION, REPAIR, ALTERATION, AND RECONSTRUCTION
    API 2016 : 2001 GUIDELINES AND PROCEDURES FOR ENTERING AND CLEANING PETROLEUM STORAGE TANKS
    API 510 : 2014 PRESSURE VESSEL INSPECTION CODE: IN-SERVICE INSPECTION, RATING, REPAIR, AND ALTERATION
    API 2003 : 2015 PROTECTION AGAINST IGNITIONS ARISING OUT OF STATIC, LIGHTNING, AND STRAY CURRENTS
    AWS CAWF : 1983 CHARACTERIZATION OF ARC WELDING FUMES
    NFPA 326 : 2015 SAFEGUARDING OF TANKS AND CONTAINERS FOR ENTRY, CLEANING, OR REPAIR
    AWS FSW : 1992 FIRE SAFETY IN WELDING AND CUTTING
    AWS F3.1 : 1989 GUIDE FOR WELDING FUME CONTROL
    ASTM F 1002 : 2015 : REDLINE Standard Performance Specification for Protective Clothing and Materials for Use by Workers Exposed to Specific Molten Substances and Related Thermal Hazards
    NFPA 10 : 2018 PORTABLE FIRE EXTINGUISHERS
    API 2217A : 2009 SAFE WORK IN INERT CONFINED SPACES IN THE PETROLEUM AND PETROCHEMICAL INDUSTRIES
    NFPA 51B : 2014 FIRE PREVENTION DURING WELDING, CUTTING, AND OTHER HOT WORK
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    ASTM F 1506 : 2017-11 PERFORMANCE SPECIFICATION FOR FLAME RESISTANT AND ELECTRIC ARC RATED PROTECTIVE CLOTHING WORN BY WORKERS EXPOSED TO FLAMES AND ELECTRIC ARCS
    API 582 : 2016 WELDING GUIDELINES FOR THE CHEMICAL, OIL, AND GAS INDUSTRIES
    API 2015 : 2014 REQUIREMENTS FOR SAFE ENTRY AND CLEANING OF PETROLEUM STORAGE TANKS
    NFPA 30 : 2018 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
    API 1107 : 1991 PIPELINE MAINTENANCE WELDING PRACTICES
    API RP 2207 : 2017 PREPARING TANK BOTTOMS FOR HOT WORK
    API 570 : 2016 PIPING INSPECTION CODE: IN-SERVICE INSPECTION, RATING, REPAIR, AND ALTERATION OF PIPING SYSTEMS
    AWS SP : 1988 SAFE PRACTICES
    ANSI Z49.1 : 2012 SAFETY IN WELDING, CUTTING, AND ALLIED PROCESSES
    AWS F4.1 : 2007 SAFE PRACTICES FOR THE PREPARATION OF CONTAINERS AND PIPING FOR WELDING, CUTTING, AND ALLIED PROCESSES
    ASTM F 1959/F1959M : 2014-05 TEST METHOD FOR DETERMINING THE ARC RATING OF MATERIALS FOR CLOTHING
    ANSI/ASSE Z244.1 : 2016 THE CONTROL OF HAZARDOUS ENERGY LOCKOUT, TAGOUT AND ALTERNATIVE METHODS
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