N.Y.C. Admin. Code § FC 5803: Section FC 5803: General Requirements

5803.1 Quantities not exceeding the maximum allowable quantity per control area.

Flammable gases in amounts not exceeding the maximum allowable quantity per control area set forth in FC 5003.1 shall be stored, handled and used in accordance with FC 5001, 5003, 5801, 5803, 5806, 5807, 5808 and 5811.

5803.1.1 Special limitations for indoor storage, handling and use.

Flammable gases shall not be stored, handled or used in Group A, B office, E, I or R occupancies.

Exceptions:

1. Containers not exceeding a capacity of 250 SCF (7.08 m

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) used for maintenance purposes or operation of equipment.

2. Food service operations conducted in accordance with FC 6103.2.1.7.

5803.1.1.1 Medical gases.

It shall be unlawful to store, handle or use flammable gas as an anesthetizing agent. Medical gas systems using flammable gas for other approved purposes shall be located in medical gas storage rooms or gas cabinets as set forth in FC 5306.*

5803.1.1.2 Aggregate quantity.

The aggregate quantities of flammable gases used for maintenance purposes and operation of portable equipment shall not exceed the maximum allowable quantity per control area set forth in FC Table 5003.1.1(1).

5803.1.2 Storage containers.

Containers for flammable gases shall be designed, constructed, installed, operated and maintained in accordance with FC Chapter 53.

5803.1.3 Emergency shutoff.

Flammable gas piping systems shall be provided with approved manual or automatic emergency shutoff valves that can be activated at each point of use and at each source of supply.

5803.1.3.1 Shutoff at source.

A manual or automatic fail-safe emergency shutoff valve shall be installed on supply piping at the container or other source of supply. Manual or automatic valves on the containers supplying the flammable gas may serve as the emergency shutoff valve when the containers are the sole source of supply and are not manifolded.

5803.1.3.2 Shutoff at point of use.

A manual or automatic emergency shutoff valve shall be installed on the supply piping at the point of use or at a point where the equipment using the gas is connected to the supply system.

5803.1.4 Sources of ignition.

Protection against sources of ignition in areas in which flammable gases are being stored or used shall be provided in accordance with FC 5003.7* and in compliance with the following requirements:

5803.1.4.1 Static-producing equipment.

Static-producing equipment located in flammable gas storage areas shall be grounded.

5803.1.4.2 Signs.

"No Smoking" signs shall be posted at entrances to and in areas containing flammable gas containers, piping and equipment in accordance with FC 5003.7.1.

5803.1.5 Electrical.

Electrical wiring and equipment shall be installed and maintained in accordance with the Electrical Code.

5803.1.5.1 Bonding of electrically conductive components.

Exposed noncurrent-carrying metal components, including metal gas piping, that are part of a flammable gas supply system located in a hazardous location shall be bonded to a grounded conductor in accordance with the provisions of the Electrical Code.

5803.1.5.2 Static-producing equipment.

Static-producing equipment located in flammable gas storage or use areas shall be grounded.

5803.1.6 Liquefied flammable gases and flammable gases in solution.

Containers of liquefied flammable gases and flammable gases in solution shall be positioned in the upright position or positioned so that the pressure relief valve is in direct contact with the vapor space of the container.

Exceptions:

1. Containers of flammable gases in solution with a capacity of 1.3 gallons (5 L) or less.

2. Containers of flammable liquefied gases, with a capacity not exceeding 1.3 gallons (5 L), designed to preclude the discharge of liquid from safety relief devices.

5803.2 Quantities exceeding the maximum allowable quantity per control area.

The storage, handling and use of flammable gases in amounts exceeding the maximum allowable quantity per control area set forth in FC 5003.1 shall be in accordance with FC Chapter 50 and this chapter.