The following words, terms and phrases, when used in this article,
shall have the meanings ascribed to them in this section, except where
the context clearly indicates a different meaning:
(see International Fire Code) means liquids with a flash
point below 200 degrees Fahrenheit (93 degrees Celsius) and liquids
with flash points above 200 degrees Fahrenheit (93 degrees Celsius)
which are exposed to storage conditions, use conditions or process
operations where they are naturally or artificially heated to or above
their flash point.
means a parcel of land, which may include one or more contiguous
platted lots, occupied or intended for occupancy for a particular
use or set of uses, including buildings together with accessory buildings,
the yard area and parking spaces.
means any UL listed (Standard 142, Steel Aboveground Tanks
for Flammable and Combustible Liquids) steel tank, all portions of
which shall be enclosed in a secondary containment and encased with
six inches of reinforced concrete and the complete structure shall
be UL listed in accordance with UL Subject 2085, Protected Type.
(1991 Code, sec. 11-165; Ordinance 99-540, sec. 5, adopted 7/8/99; 2007 Code, sec. 18-124)
(a)
The
requirements of the International Fire Code, 2018 edition, shall apply
to all above- ground tanks used for the outside storage and dispensing
of flammable and combustible liquids in excess of 60 gallons. Refineries,
bulk and processing plants, and distilleries shall abide by NFPA 30
and pertinent sections referenced in the remainder of the International
Fire Code.
(b)
The
fire official may impose additional requirements to reduce the level
of hazard for a proposed installation.
(1991 Code, sec. 11-166; Ordinance 99-540, sec. 5, adopted 7/8/99; 2007 Code, sec. 18-125; Ordinance
adopting 2022 Code)
(a)
Maximum capacity.
Each vaulted above-ground tank shall
not exceed 12,000 gallons. The total cumulative capacity of all vaulted
above-ground tanks shall not exceed 50,000 gallons per premises, subject
to the approval of the fire official. Each non-vaulted above-ground
tank shall not exceed 1,000 gallons per premises. In no event shall
the total cumulative capacity of all vaulted or non-vaulted above-ground
tanks exceed 40,000 gallons per premises.
(b)
Tank construction and venting.
All above-ground tanks
shall be constructed and vented according to applicable American Petroleum
Institute (API) Standards, NFPA 30 and 30A, and shall be UL listed.
(c)
Vaulted above-ground tanks.
(1)
All vaulted above-ground tanks shall consist of an interior steel
tank which is UL listed in accordance with UL Standard 142 (Steel
Aboveground Tanks for Flammable and Combustible Liquids) and a secondary
containment liner located within the concrete vault. The entire vaulted
tank assembly shall be UL listed in accordance with UL Subject 2085,
Protected Type.
(2)
All interior steel tanks of vaulted above-ground tanks shall meet
the requirements of NFPA 30 for above-ground tanks, including those
for venting.
(3)
All steel tank openings within the vaulted above-ground tanks shall
be threaded except for detector tubes.
(4)
All portions of the interior steel tank within each vaulted above-ground
tank, and the secondary containment, shall be enclosed in no less
than six inches of reinforced concrete with all penetrations located
above the normal liquid level.
(5)
All vaults for vaulted above-ground tanks shall be placed on a reinforced
concrete pad adequate to support the loading of a full vault and in
accordance with manufacturers recommendations.
(6)
All vaults for vaulted above-ground tanks shall be constructed with
a five-gallon minimum overfill containment protection.
(7)
All vaults for vaulted above-ground tanks shall have leak detection
devices installed and operational at all times.
(d)
Temporary tanks at construction sites.
Above-ground
tanks with a cumulative capacity of no more than 2,000 gallons of
class II combustible liquids for use at a construction site may be
used for no more than 90 days if in the opinion of the fire official
no unusual danger to life or property is presented. Above-ground tanks
used at temporary construction sites shall meet all applicable requirements
of NFPA 30 and 30A.
(e)
Dispensing.
(1)
No gravity feed dispensing system shall be permitted.
(2)
All pumps and above-ground and concrete vaulted tanks are to be UL
listed for the use intended and UL listed for use with each other.
(3)
All electrical devices used with or located within 20 feet of the
underground or concrete vaulted tank storage area shall conform to
NFPA 70, Hazardous Locations.
(4)
Dispensing hoses shall not exceed 20 feet in length.
(5)
The nozzle of any hose of a dispensing device shall not reach within
five feet of any building opening.
(6)
Dispensing devices shall be located no closer than ten feet from
a premises line or building.
(f)
Tank location and protection.
(1)
Each outermost edge of each vaulted above-ground tank shall be located
no closer than five feet from the nearest premises or building.
(2)
Each outermost edge of each vaulted above-ground tank shall be located
no closer than 15 feet from the nearest property line which may be
built upon, including the opposite side of a public way.
(3)
The distance between any two above-ground tanks shall not be less
than five feet.
(4)
Diking is not required for concrete vaulted tanks installed in accordance
with manufacturers specifications and approved by the fire official.
(5)
Overfill protection shall be required for all concrete vaulted tanks.
(6)
Approved vehicle barriers, such as concrete-filled four-inch pipe
bollards or precast concrete bollards, shall be provided to protect
the traffic area when any tanks are installed. The placement of these
devices shall be approved by the fire official and not more than four
feet on center adjacent to any vehicle accessible area.
(g)
General fire protection standards.
(1)
Smoking is prohibited within 50 feet of all storage and dispensing
devices. Signs which prohibit smoking shall be conspicuously posted.
(2)
Portable fire extinguishers shall be provided for the extinguishment
of fires in accordance with NFPA 10 for high hazard. Additional fire
control equipment may be required wherein the opinion of the fire
official an unusual exposure hazard exists.
(3)
Labeling of all tanks shall be in accordance with NFPA 704.
(4)
Fire department vehicle access shall be provided within 150 feet
of any tank.
(1991 Code, sec. 11-167; Ordinance 99-540, sec. 5, adopted 7/8/99; 2007 Code, sec. 18-126)
