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Section FC 3501: General
Section FC 3502: Definitions
Section FC 3503: General Requirements
Section FC 3504: Fire Safety Requirements
Section FC 3505: Gas Welding and Cutting
Section FC 3506: Electric Arc Hot Work
Section FC 3507: Reserved
Section FC 3508: Reserved
Section FC 3509: Piping Manifolds and Hose Systems for Fuel Gases and Oxygen
3509.1 General.
3509.2 Protection.
3509.3 Signage.
3509.4 Manifolding of containers.
3509.5 Identification of manifolds.
3509.6 Clamps.
3509.7 Inspection.
3509.8 Piped natural gas precautions.
Section FC 3510: Hot Work on Flammable and Combustible Liquid Storage Tanks
Chapter 36: Marinas
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Section FC 3507: Reserved
Section FC 3508: Reserved
Section FC 3509: Piping Manifolds and Hose Systems for Fuel Gases and Oxygen
3509.1 General.
The use of piping manifolds, protective equipment and hose systems in oxygen-fuel gas systems, including natural gas supplied from a utility for use in an oxygen-fuel gas system, shall be designed, installed, operated and maintained in accordance with FC 3509, FC Chapter 53 and NFPA 51.
3509.2 Protection.
Piping shall be protected against physical damage.

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