NFPA 306 PDF

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This standard provides requirements and conditions for use in determining that spaces on vessels and within shipyards that are subject to concentrations of combustible, flammable, or toxic liquids, vapors, gases, chemicals are safe for entry or work, as documented by a Marine Chemist’s Certificate.

Table of Contents

NFPA® 306 Standard for the Control of Gas Hazards on Vessels 2024 Edition
Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Emergency Exception.
1.4 Governmental Regulations.
Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications.
2.3 Other Publications.
2.4 References for Extracts in Mandatory Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
3.3 General Definitions.
Chapter 4 Vessels Required to Have Marine Chemist’s Certificate
4.1 Tank Vessels.
4.2 Vessels Other Than Tank Vessels.
4.3 Military Unique Vessels (i.e., US Navy, Coast Guard, Army).
4.4 Vessels in Lay-Up.
4.5 Vessels Carrying Flammable Compressed Gas.
4.6 Land-Side Storage Tanks.
Chapter 5 Preparing Vessels by the Vessel Owner, Operator, or Repairer, for Issuance of a Marine Chemist’s Certificate Involving Hot Work
5.1 Where a Safe Condition Is to Be Obtained Entirely by Cleaning.
5.2 Where a Safe Condition Is to Be Obtained by Both Cleaning and Inerting or Entirely by Inerting.
5.3 Where a Safe Condition Is to Be Obtained by Cleaning Certain Compartments and by Securing the Other Compartments.
5.4 Where a Safe Condition Is to Be Obtained by Cleaning Some Compartments, by Inerting Some Compartments, and by Securing Some Compartments.
5.5 Cargo Heater Coils.
5.6 Electric Welding Operations.
5.7 Requirements for Use of a Designated Berthing Area for Cleaning, Gas Freeing, or Inerting.
5.8 Vessel Fuel Oil Tanks.
5.9 Hollow Structures.
Chapter 6 Procedures for the Marine Chemist Prior to Issuance of a Certificate
6.1 Calibration and Function Verification.
6.2 Determination of Conditions.
Chapter 7 Standard Safety Designations and Conditions Required
7.1 General.
Chapter 8 The Marine Chemist’s Certificate
8.1 Preparation of Certificates.
8.2 Issuance of Certificates.
8.3 Responsibility for Obtaining the Marine Chemist’s Certificate.
8.4 Responsibility for Maintaining the Conditions.
Chapter 9 Additional Requirements for Vessels Having Flammable Cryogenic Liquid Fuel or Cargo
9.1 Scope.
9.2 Definitions.
9.3 Minimum Requirements.
9.4 Minimum Conditions.
Chapter 10 Requirements for Performing Entry or Hot Work in or on Land-Side Storage Tanks Located Within a Shipyard or Waterfront Facility
10.1 Scope.
10.2 Definitions.
10.3 Minimum Requirements.
10.4 Minimum Conditions.
Annex A Explanatory Material
Annex B Examples of Safe Conditions
Annex C Samples of Marine Chemist’s Certificates
Annex D Guidance to Vessel Owners and Operators When Hot Work and/or Enclosed/Confined Space Entry Is Conducted on a Vessel at Sea and a Marine Chemist Is Not Required
Annex E Limiting Oxidant Concentrations
Annex F Informational References

Original price was: $157.00.Current price is: $113.04.
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About This Product

NFPA 306 spells out where combustible and flammable materials are present on marine vessels — and safety precautions for entry and work in confined spaces.

Gas hazards present considerable fire protection and life safety issues for marine vessels, shipyards, and waterfront facilities. NFPA 306, Standard for the Control of Gas Hazards on Vessels codifies a set of requirements to mitigate the dangers that may come with concentrations of combustible, flammable, or toxic liquids, gases, chemicals, or vapors.

NFPA 306 is essential for safety before and during work aboard.

The standard prescribes the minimum requirements necessary for entry and work in confined spaces on marine vessels and waterfront facilities. It applies to vessels during construction, alteration, repair, and shipbreaking, as well as land-side confined spaces (whether stationary or mobile) located within the boundaries of the shipyard or vessel repair or other waterfront facility. NFPA 306 requirements also help you determine when a marine chemist is required, how a marine certificate is issued and maintained, and what to expect during an inspection.

Activities that fall within the purview of this standard include:

  • Application or removal of protective coatings
  • Riveting
  • Welding
  • Burning
  • Other fire-producing operations
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NFPA 306 PDF
Original price was: $157.00.Current price is: $113.04.