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4204.1 Pyroxylin Plastics in Group F Buildings
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Pyroxylin plastics in a Group F building shall be stored, handled and used in accordance with FC 4204.1.1 through 4204.1.7.
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.
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).
Raw pyroxylin plastics in excess of that allowed by FC4204.1.2 shall be kept in vented vaults not exceeding 1,500-cubic-foot capacity (43 m3) of total vault space, and with construction, venting and sprinkler system protection approved by the commissioner.
Pyroxylin plastics shall not be stored within 2 feet (610 mm) of heat-producing appliances, steam pipes, radiators or chimneys.
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.
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.
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.
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