Every nitrocellulose building shall be freestanding and isolated by a safety clearance computed at the rate of five feet per 1,000 pounds or fraction thereof of nitrocellulose manufactured or reclaimed; provided, however, that such safety clearance shall in no case be less than 50 feet; and provided further, that the requirements of this paragraph shall not apply to any buildings in which 25 pounds or less of nitrocellulose are manufactured or reclaimed during any 24-hour period.
(Prior code § 92-83)