These guidelines are to be followed when an aboveground storage
tank is constructed, relocated, modified or otherwise installed within
the city. All aboveground storage tank requirements for the purposes
of this guideline and any other guidelines or requirements of the
fire department shall conform to the latest version of the International
Fire Code, as adopted and amended by the city, and the National Fire
Protection association (NFPA) 30, Flammable and Combustible Liquids
Code.
(1)
The
following regulations apply to aboveground storage tanks intended
for the storage and dispensing of Class IIIB combustible liquids,
as defined by international fire code (IFC), section 2306.2.3.
(A)
The tank(s) shall be listed and labeled in accordance with underwriter
laboratories as being protected above-ground tanks in accordance with
UL 2085, and shall be installed in accordance with chapter 57.
(B)
Tank(s) shall be constructed of steel. Poly-tanks are prohibited.
(C)
When the installation location may be subject to vehicular impact,
bollards must conform to IFC section 312.
(D)
The tank must display the UL listing placard.
(E)
Normal and emergency venting shall be provided. Emergency venting
shall include the calculations to determine the minimum vent sizing
in cubic feet per hour (cfh).
(F)
Approved flame arrestors, when required by American Petroleum Institute
(API) 2028, and venting devices shall be installed in all the vent
lines.
(G)
A spill container having a capacity of not less than 5 gallons shall
be provided at each fill connection.
(I)
All piping and piping systems shall be designed in accordance with
NFPA 31 and IFC, chapter 34.
(2)
The
following regulations apply to aboveground storage tanks intended
for the storage and/dispensing of flammable liquids, as defined by
IFC, section 2306.2.3 and in compliance with applicable requirements
of section 5704.2.9.
(A)
The tank(s) must be installed by a licensed or approved aboveground
storage tank installer.
(B)
Approved flame arrestors and venting devices shall be installed in
the all vent lines per IFC, section 5704.2.7.3.1 through 5704.2.7.3.5.3.
(C)
The tank(s) shall be listed and labeled as protected above-ground
tanks in accordance with 2085 and shall be in accordance with chapter
57.
(D)
When the installation location may be subject to vehicular impact,
bollards must conform to IFC, section 312.
(E)
The tank must display the UL listing placard.
(F)
A leak detection system must be installed, equipped with on-site
audible and/or visual warning devices, as approved by the latest version
of the IFC and NFPA 30.
(G)
A spill container having a capacity of not less than 5 gallons shall
be provided at each fill connection.
(H)
An overfill prevention system shall be provided for each tank to
prevent being filled in excess of 95% capacity. The system must meet
the requirements of IFC, section 5704.2.9.7.5:
(i)
Provide an independent means of notifying the person filling that
the fluid level has reached 90 percent of tank capacity by providing
a tank level gauge marked at 90 percent of tank capacity, or other
approved means;
(ii)
Automatically shut off the flow of fuel to the tank when the
quantity reaches 95 percent of tank capacity; and
(iii)
Reduce the flow rate to not more than 15 gallons per minute
so that at the reduced flow rate, the tank(s) will not overflow for
30 minutes and automatically shut-off flow into the tank(s) so that
none of the fittings on the top of the tank(s) are exposed to product,
because of overfilling.
(I)
The tank fill connection shall be provided with a means for making
a direct connection to the tank’s vehicle fuel delivery hose
so that no fuel is exposed to the open air during the filing operation.
(J)
Anti-siphon devices shall be installed in each pipe connected to
the AST, where the piping extends below the level of the tank.
(K)
Emergency shut offs shall be provided during filling and dispensing
operations.
(L)
Relief valves shall be provided.
(M)
Pump dispensing devices shall be equipped with vapor-recovery connections.
(N)
Appropriate labeling and signs in accordance with the latest version
of the IFC, section 5704.2.9.7.5.1 must be provided; as follows:
(i)
A permanent sign shall be placed at the fill point for the tank(s),
documenting the filling procedure and tank calibration chart;
(ii)
Smoking or open flames prohibited;
(iii)
An approved emergency procedures sign in accordance with IFC
2304.3.5;
(iv)
A permanent sign indicating that when filling the tank(s), parking
is prohibited in the fire lane; and
(v)
A placard specifically identifying the material therein. The placard
shall be in accordance with NFPA 704.
(O)
Dispensing locations shall limit fuel delivery to 25 gallons and
require a manual action to resume, pursuant to IFC 2204.3.7.
(P)
Any additional requirements of NFPA 30 and/or latest version of the
IFC, must also be met.
(3)
These
regulations do not replace, nor supersede any codes and/or ordinances
adopted by the city, or written determinations of the fire chief or
fire marshal.
(Ordinance 2020-107 adopted 12/8/20)
(a)
General.
(1)
Any construction, modification, installation, or fabrication of the
system is prohibited without approved plans and permit.
(2)
Each submittal shall have a completed city fire department plan review/permit
application.
(3)
Plans approved by the fire marshal’s office give authorization
for construction. Final approvals are subject to field verification.
Any approval issued by the fire marshal’s office does not release
the contractor or property owner from the responsibility of full compliance
with all applicable codes and ordinances relating to the construction
project.
(4)
All installations and/or operations must concur with the approved
plans. Any deviation from the approved plans requires a resubmittal
to the fire marshal’s office.
(5)
All fire department inspection forms and permits shall be kept in
a permit packet on the jobsite until final inspection.
(b)
To
expedite the plan review and inspection processes, please refer to
the submittal requirements listed below.
(1)
Provide a written description of the operation to which the tank
is to be installed.
(3)
A full listing of all tanks, piping, valves, and other equipment.
(4)
Manufacturer documentation for all parts and materials used in the
project.
(5)
Drawings, to include the above requirements, shall be submitted for
review and approval, prior to installation.
(6)
Drawings shall be generated by the installing company specific to
the installation, and shall not be copied and marked according to
installation. Drawings shall show plan view and other pertinent information.
(7)
Provide manufacturer’s documentation of tank testing and ability
to hold a vacuum. This is in addition to any additional testing required
by the fire department.
(Ordinance 2011-25 adopted 6/13/11)
The regulations as outlined in section 3.11.001(1) and (2) do not apply if all the following criteria are met:
(1)
The
contents of the storage tanks are for personal use only and not for
resale or distribution;
(2)
The
property on which the storage tanks are located currently has an agriculture
exemption as defined by the regulating authority;
(3)
The
total volume of each individual storage tank is 250 gallons or less;
and
(4)
The
aggregate storage of all aboveground storage tanks located on the
property is less than 1,000 gallons.
(Ordinance 2011-25 adopted 6/13/11)
