05-24-2022 Bill No. 2022-9BILL NO. 2022-9
AN ORDINANCE AMENDING CHAPTER VII OF THE
RICHFIELD CODE OF ORDINANCES REGARDING
BULK DEICER STORAGE FACILITIES
THE CITY OF RICHFIELD DOES ORDAIN:
Section 1. Chapter VII, Section 721 of the Richfield Code of Ordinances is
amended to add the following new sub-section 721.24:
721.24. – BULK DEICER STORAGE FACILITY REQUIREMENTS
Subdivision 1. Applicability. This sub-section applies to all commercial,
institutional, and non-NPDES permitted industrial facilities that maintain indoor and
outdoor bulk deicer storage facilities, whether temporary or permanent.
Subd. 2. Definitions.
a. “Bulk deicer storage” means the storage of any deicing material that is
measured at more than two tons in solid form or 400 gallons in liquid form,
including but not limited to salt piles, sand piles, salt bag storage, and
other storage of deicing materials.
b. “Deicing material” means any solid or liquid material used for deicing
and/or traction during winter conditions, including but not limited to salt,
sand, and chloride-based deicers, such as sodium chloride (NaCl),
magnesium chloride (MgCl2), and calcium chloride (CaCl2).
Subd. 3. Requirements.
a. Indoor Storage. All bulk deicer storage facilities must provide indoor
storage for deicing materials wherever possible in order to protect such
materials against precipitation and surface water runoff.
b. Outdoor Storage.
(i) When not using indoor storage, bulk deicer storage facilities must
maintain any deicing materials in outdoor storage with a roof or
cover, including a permanent roof wherever possible.
(ii) When not using a permanent roof, bulk deicer storage facilities
must place a waterproof impermeable, flexible cover over all
deicing materials in order to protect against precipitation and
surface water runoff. The cover must be secured to prevent
removal by wind or other storm events. Any salt, sand, or other
deicing material piles must be formed in a conical shape and
covered in a manner to prevent leaching.
(iii)Bulk deicer storage facilities must temporarily repair any leaks,
tears, or other damage to roofs or covers immediately in order to
protect against precipitation and surface water runoff. Any
permanent repairs must be completed prior to the next winter
season.
c. Impervious Surface Storage. All bulk deicer storage must be located on an
impervious surface.
d. Transfer of Deicing Materials. Bulk deicer storage facilities must
implement best practices in order to reduce exposure to precipitation and
surface water runoff when transferring deicing material, including but not
limited to sweeping, diversions, and containment.
e. Separate Storage of Solid and Liquid Deicing Materials. Bulk deicer
storage facilities must store liquid deicing materials separately from any
solid deicing materials.
Section 2. This ordinance will be effective in accordance with Section 3.09 of
the City Charter.
Adopted by the City of Richfield this 24th day of May, 2022.
Maria Regan Gonzalez, Mayor
ATTEST:
Kari Sinning, City Clerk