This section establishes standards for storage of solid materials susceptible to fire hazards and flammable liquids and gases where allowed in compliance with article 2, "Zoning Districts And Development Standards", of this title.
A. Combustible Solids: Land uses that include the storage of solid materials susceptible to fire hazards shall be subject to the following storage standards in the indicated land use zoning districts:
1. Industrial (I) zoning district:
a. Inside Storage: A structure utilized for the storage, manufacture, or use of flammable solid materials shall be located no less than forty feet (40') from any lot line and any other on site structures or shall adhere to standards specified in subsection A2 of this section.
b. Outdoor Storage: Outdoor storage of flammable solid materials shall be no less than fifty feet (50') from any lot line and any other on site structures.
2. All other manufacturing or industrial uses legally established within any other land use zoning district. The storage, manufacture, or use of highly flammable solid materials shall take place in enclosed spaces having fire resistance of no less than two (2) hours and protected with an automatic fire extinguishing system and shall comply with San Bernardino County fire department requirements.
B. Flammable Liquids And Gases: Land uses that involve the storage of flammable liquids and gases shall be subject to the following standards when established within the land use zoning districts indicated:
1. Setbacks: Setback requirements for flammable liquids and gases shall be in accordance with fire department requirements.
2. Storage Capacity: The total storage capacity of flammable liquids and gases on a parcel shall not exceed the quantities indicated in table 3-13, "Storage Standards For Flammable Liquids And Gases", of this section.
TABLE 3-13
STORAGE STANDARDS FOR FLAMMABLE LIQUIDS AND GASES
Stored Substance | Zoning District | Maximum Capacity |
Stored Substance | Zoning District | Maximum Capacity |
Liquids | Industrial district | 120,000 gallons |
All other manufacturing or industrial uses legally established within any other zoning district | 60,000 gallons | |
Liquid petroleum gas | All manufacturing or industrial uses legally established within zoning district | Per fire department requirements |
All commercial uses legally established within zoning district | 15,000 gallons per tank | |
20,000 gallons' maximum aggregate total | ||
All agricultural uses legally established within zoning district | 15,000 gallons per tank aggregate total | |
Gases other than liquefied petroleum gas | Industrial district | 300,000 standard cubic feet above ground |
600,000 standard cubic feet below ground | ||
All other manufacturing or industrial uses legally established within any other zoning district | 150,000 standard cubic feet above ground | |
300,000 standard cubic feet below ground | ||
C. Liquefied Petroleum Gas (LPG):
1. General Requirements:
a. Agricultural, Commercial, Industrial, Or Manufacturing Uses And Zoning Districts: Liquefied petroleum gas (LPG) storage and distribution facilities for agricultural, commercial, industrial, or manufacturing uses shall be allowed subject to a conditional use permit in compliance with article 2, "Zoning Districts And Development Standards", of this title. The location, installation, operation, and maintenance of LPG storage and distribution facilities shall be subject to:
(1) The standards in this subsection.
(2) The conditions, requirements, and standards imposed by the review authority in compliance with this chapter.
b. Residential Uses And Zoning Districts: Standards for residential uses and residential land use zoning districts for LPG storage shall be in accordance with fire department requirements.
c. Conflict Between Zoning District And Use Permit Requirements: In the event of a conflict between the provisions of this subsection C and the provisions of a land use zoning district, including the requirement for a conditional use permit, the provisions of this subsection shall prevail and control.
2. Fire Protection Requirements For All Parcels:
a. Setbacks for LPG storage and distribution facilities from structures and property lines shall be those specified by fire department requirements.
b. LPG storage tanks shall be centrally located on the parcel to the satisfaction of the fire department.
3. Additional Fire Protection Requirements For Specific Types Of Parcels: For parcels that have no more than one occupied structure less than five thousand (5,000) square feet in size and where the water system provides substandard flows per International Standards Organization (ISO) standards for structure protection, additional fire protection requirements shall be as follows:
TABLE 3-14
ADDITIONAL FIRE PROTECTION
Parcel Size | LPG Storage Tank Standards | Fire Flow |
10.1 acres or more | n/a | Fire flow shall be calculated for exposures only in compliance with the San Bernardino County code title 2, division 3 (fire protection and explosives and hazardous materials) |
5.1 to 10 acres | A 1 hour approved protective coating shall be applied to the LPG storage tank | |
2.5 to 5 acres | A 2 hour approved protective coating shall be applied to the LPG storage tank |
4. Additional Fire Protection Requirements For Any Parcel With Adequate Fire Flow Available Per ISO Standards:
a. Fire Hydrants: Fire hydrant(s) shall serve the parcel in compliance with fire department requirements.
b. Protection: Fire flow shall provide for exposure protection (ISO calculation) and LPG storage tank protection/suppression.
(1) Sprinklers shall use calculations, as adopted by fire department requirements.
(2) Hose lines shall use the formula: GPM = 5 times the square root of the tank capacity.
c. Additional Protection:
(1) Where the fire chief determines that water can be applied to the tank or exposures by the fire department in required amounts in eight (8) minutes or less, no additional protection shall be required.
(2) Where the fire chief determines that water cannot be applied to the tank or exposures by the fire department in required amounts in eight (8) minutes or less, one of the following protection measures shall be required:
(A) One hour approved protective coating shall be applied to the LPG storage tank; or
(B) A fixed spray water system shall be installed as approved by the fire department.
5. Additional Fire Protection Requirements For Any Parcel Not Included In Either Subsections C3 Or C4 Of This Section:
a. Either a one hour or more protective coating shall be applied to the LPG storage tank, as required by the fire department, or a fixed spray water system shall be installed instead of coating the tank.
b. Fire flow shall be calculated for exposure only, in compliance with fire department requirements. (Ord. 254, 12-16-2014)