A. Compliance Required: Any use established in the M-1 Restricted Manufacturing District after the effective date hereof shall be so operated as to comply with the performance standards governing fire and explosive hazards set forth hereinafter for the District. No use lawfully established on the effective date hereof shall be so altered or modified as to conflict with, or further conflict with, the performance standards governing fire and explosive hazards established hereinafter.
B. Storage, Utilization and Manufacturing Conditions:
1. In the M-1 Restricted Manufacturing District the storage, utilization and/or manufacture of solid materials or products ranging from incombustible to moderate burning is permitted.
2. The storage, utilization or manufacture of solid materials or products ranging from free or active burning to intense burning is permitted provided the following condition is met: Said materials or products shall be stored, utilized or manufactured within completely enclosed buildings having incombustible exterior walls and protected throughout by an automatic fire-extinguishing system.
3. The storage, utilization or manufacture of flammable liquids or materials* which produce flammable or explosive vapors or gases, shall be permitted in accordance with the following table, exclusive of storage of finished products in original sealed containers, which shall be unrestricted.
*When flammable gases are stored, utilized or manufactured and measured in cubic feet, the quantity in cubic feet (at STP) permitted shall not exceed three hundred (300) times the quantities as listed below.
Total Capacity of Flammable Materials Permitted
(In Gallons)
Industries Engaged In Storage Only | Above- ground | Under- ground |
Industries Engaged In Storage Only | Above- ground | Under- ground |
Materials having a closed cup flash point over 187°F. | Prohibited | 100,000 |
From and including 105°F to and in- cluding 187°F. | Prohibited | 100,000 |
Materials having a closed cup flash point of less than 105°F. | Prohibited | 100,000 |
Industries Engaged In Utilization and Manufacture of Flammable Materials | Above-ground | Under-ground |
Materials having a closed cup flash point over 187°F. | 50,000 | 100,000 |
From and including 105°F. to and including 187°F. | 20,000 | 100,000 |
Materials having a closed cup flash point of less than 105°F. | 5,000 | 100,000 |