N.Y.C. Admin. Code § FC 6504: Section FC 6504: Storage, Handling and Use

6504.1 Pyroxylin plastics in Group F buildings.

Pyroxylin plastics in a Group F building shall be stored, handled and used in accordance with FC 6504.1.1 through 6504.1.7.

6504.1.1 Storage of incoming material.

Where raw pyroxylin plastics in excess of 25 pounds (11 kg) are received in a building or fire area, an approved vented cabinet or approved vented vault protected by a sprinkler system shall be provided for the storage of material.

6504.1.2 Capacity limitations.

Storage in any one workroom shall not exceed 1,000 pounds (454 kg) of raw pyroxylin plastics. A storage cabinet shall not contain more than 500 pounds (227 kg). Each compartment shall not contain more than 250 pounds (114 kg).

6504.1.3 Storage of additional material.

Raw pyroxylin plastics in excess of that allowed by FC 6504.1.2 shall be kept in vented vaults not exceeding 1,500-cubic-foot capacity (43 m

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) of total vault space, and with construction, venting and sprinkler system protection approved by the commissioner.

6504.1.4 Heat sources.

Pyroxylin plastics shall not be stored within 2 feet (610 mm) of heat-producing appliances, steam pipes, radiators or chimneys.

6504.1.5 Accumulation of material.

In factories manufacturing pyroxylin plastic products, approved vented cabinets, vaults or storage rooms protected by a sprinkler system shall be provided to prevent the accumulation in workrooms of raw pyroxylin plastics in process and finished pyroxylin plastic products.

6504.1.6 Operators.

In workrooms of factories manufacturing finished pyroxylin plastic products, operators shall not be stationed closer together than 3 feet (914 mm), and the amount of material per operator shall not exceed one-shift's supply and shall be limited to the capacity of three tote boxes, including material awaiting removal or use.

6504.1.7 Waste material.

Waste pyroxylin plastics, such as shavings, chips, turnings, sawdust, edgings and trimmings, shall be kept under water in metal receptacles until removed from the premises.

6504.2 Fire protection.

The storage, handling or use of pyroxylin plastic in quantities exceeding 100 pounds (45 kg) shall be located in a building or part thereof protected throughout by a sprinkler system, except for storage exclusively of finished pyroxylin plastic products in a quantity not exceeding 6,000 pounds (2724 kg).

6504.3 Sources of ignition.

Sources of ignition shall not be allowed in rooms in which pyroxylin plastics in excess of 25 pounds (11 kg) are stored, handled or used.

6504.4 Heating.

Rooms in which pyroxylin plastics are handled or stored shall be heated by low-pressure steam or hot water radiators. Radiators shall be not less than 4 inches (102 mm) above the floor. All steam pipes and risers within 6 feet (1829 mm) of the floor shall be protected with noncombustible pipe covering. All heating radiators, coils, boilers, pipes and other heating apparatus situated so as to come in contact with any combustible material, including the tops of radiators, shall be protected with 1/4-inch (6-mm) mesh galvanized steel of No. 20 U.S. gauge or equivalent. The tops of such guards shall slope so as to prevent their use as a shelf.

6504.5 Prohibitions.

It shall be unlawful to store, handle or use raw pyroxylin plastics as follows:

1. In any building situated within 50 feet (15 240 mm) of the nearest wall of a building occupied as a school, hospital, or Group A occupancy.

2. In any Group R occupancy.

3. In any building of combustible construction as defined in Section 602 of the Building Code.