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HomeMy WebLinkAbout95147 ORDINANCE NO. 951 ORDINANCE OF THE CITY COUNCIL OF THE CITY OF UKIAH AMENDING SECTIONS 5221-5224 OF THE UKIAH CITY CODE, REGULATING ABOVE-GROUND STORAGE TANKS FOR CLASS I AND II FLAMMABLE AND COMBUSTABLE LIQUIDS The City Council of the City of Ukiah hereby ordains as follows: SECTION 1. FINDINGS. The City Council of the City of Ukiah finds as follows: The City of Ukiah experiences hot summers with temperatures often These hot, dry fires. 3. The City of Ukiah is geographically and topographically diverse with structures located in both flat, predominantly urban settings and in steep, hillside settings in close proximity to densely wooded and grassy wildlands. The proximity of wildlands adds to the hazardous fire conditions that typically prevail from May through October. 4. Due to these local climatic, geologic and topographical conditions, the City proposes the amendments to the provisions of the 1991 Uniform Fire Code set forth in this Ordinance. The required amendments establish the conditions under which the o exceeding 100 F. and no rainfall typically from May through October. summer conditions create above-average fire hazard conditions. 2. The City of Ukiah is geographically isolated from adequate sources of mutual aid in the event of large single story structure fires and multi-story structure 48 storage of flammable liquids in aboveground storage tanks will be permitted in the City 0f-Ukiah. SECTION 2. AMENDMENTS TO SECTIONS 5221 TO 5224 OF THE UNIFORM FIRE CODE Sections 5221 to 5224 of the Uniform Fire Code are hereby amended to read as follows: a. Section 5221: Section 79.501(a): Section 79.501(a) of the Uniform Fire Code is amended to read as follows: Section 79.501 (a) - Restricted Locations. The storage of classes land II flammable or combustible liquids in above-ground tanks outside of buildings is prohibited, except as further provided in this section. EXCEPTIONS: 1. Tanks used for motor vehicle fuel-dispensing when enclosed within a flammable liquid storage vault constructed in accordance with the standards set by the Fire Chief. 2. Applications involving farms and construction projects as identified in Division X of Article 79 of the Fire Code. 3. When the storage facility is located and constructed in accordance with the following requirements and standards: A. No such tank shall be used without first securing a Fire Department permit from the Fire Chief in accordance with the procedures provided in the Uniform Fire Code. 49 B. Tanks shall be of an approved and listed type with minimum double wall construction, consisting of an interior shell compatible with the liquid being stored and a secondary containment shell with monitoring equipment to detect leakage. The outer shell shall be constructed of steel or other approved material. The space between the inner and outer shell shall be filled with an approved, non- combustible insulating material. The tank shall have a "two-hour" fire rating. Tanks shall be installed and maintained as recommended by the manufacturer and as required by the Fire Code. C. Tanks shall be of the horizontal type. Tank size is limited to 20,000 gallons aggregate and no single compartment of the tank shall be larger than 10,000 gallons. Each site shall be limited to 20,000 gallons total. D. Tank sites shall be prohibited in residential areas. Tank sites shall be accessible via an all-weather surfaced roadway, with minimum 20 foot width. Tanks shall be surrounded by not less than 150 foot clearance to any property line, building, public way, or any other feature determined by the Fire Chief to be a potential exposure to or from fire. E. The tank site shall be surrounded by security fencing (six feet high minimum) to restrict access to the tank area. Gates in the fence shall be locked except during transfer operations. Locks on gates shall provide for Fire Department access with a "Knox" brand key vault or control. Tank controls and openings shall be securely locked except during fuel transfer. Access to the tank area shall be limited to tank vehicles to on-load or off-load product and vehicles required for site maintenance. No fueling is permitted from the tank. - 3 - 50 · F. The tank itself shall be mounted on a reinforced concrete slab engineered to support the full tank, extending beyond the exterior edges of the tank. The tank shall be sufficiently anchored to protect it from excessive movement during an earthquake or flood. G. The tank shall be surrounded by bollards. Bollards shall be (1) spaced at maximum four feet on center; (2) at least three feet high; (3) set in concrete to a depth equal to the height; (4) constructed of six inch diameter filled steel pipe; and (5) protected from corrosion. Chief. H. Fire extinguishers shall be located as required by the Fire I. An emergency shut-off switch shall be provided for tank pump(s) at a location approved by the Fire Chief. J. A fire hydrant capable of supplying 1000 gallons per minute shall be located between 200 and 400 feet from the containment area, adjacent to the access roadway. K. Approved Aqueous Film Forming Foam (AFFF) shall be supplied by the permittee to the Fire Department foam cache in the amount of 5 gallons foam for every 2000 gallons of storage capacity. L. A dike or berm shall surround the tank and tank vehicle transfer area. It shall be of sufficient size and depth to contain the total amount stored at the site. There shall be facilities to drain rain water from the containment area. No vegetation, combustible containment area. materials, drums or barrels are permitted within the - 4 - 51 M. Transfer hoses shall have check valves at both ends which prevent product flow unless hose is attached at both ends. b. Section 5222: Section 79.501(b): Section 5222 is deleted in its entirety, but the section number shall be reserved. c. Section 5223: Section 79.501(b): Section 79.501(b) is hereby added to the Uniform Fire Code to read as follows: Section 79.501(b) - Existing Storage Locations. All existing storage for Class I and II flammable or combustible liquids in aboveground tanks in the City shall meet all requirements of this ordinance and the code provisions adopted hereunder. Storage tanks that, in the opinion of the Fire Chief, pose an unreasonable risk or fire hazard and do not comply with said requirements shall be removed within one year of written notice from the Fire Department. d. Section 5224: Section 79.1411: Section 79.1411 is hereby added to the Uniform Fire Code to read as follows: Section 79.1411 - Location of Bulk Plants. No bulk plants shall be constructed within the City limits of the City of Ukiah, except if constructed in accordance with section 79.501(a) of the Uniform Fire Code. 52 SECTION 3. This Ordinance shall be published as required by law and shall become effective thirty (30) days after it is adopted and filed with the Department of Housing and Urban Development. Introduced by title only on the 6th day of July, 1994, by the following roll call vote' AYES NOES' ABSENT: Mayor Schneiter, Councilmembers Shoemaker, Mastin and Malone None Councilmember Wattenburger Adopted on jazy 2o ,1994, by the following roll call vote' AYES: CounciZmembers Mastin, Malone, Wattenburger, Shoemaker and Mayor Schneiter NOES: None ABSENI' None Cat h~CZ~ Clerk / t