All Asphalt/Concrete Production Facilities shall meet the following minimum performance standards, in addition to any conditions of approval that may be established pursuant to a conditional use permit.
A. Spacing Requirements: No facility shall be located less than two (2) miles from another Asphalt/Concrete Production Facility.
B. Setbacks: Stockpiles, storage, equipment, parking, and buildings shall be located at least 50 feet from any public road or property line.
C. Minimum Lot Area: 8 acres.
D. Stockpiling and Storage: Stockpiles maintained at a facility must comply with the following:
1. Stockpiles shall not exceed thirty-five (35) feet in height.
2. Stockpiles shall only be located in approved locations, pursuant to an approved site plan.
3. Storage of contaminated soils shall be prohibited.
4. Stockpiles of backhauled concrete and asphalt rubble shall not exceed one and one-half (1.5) times the amount required for annual asphalt or concrete production.
5. Stockpiles of backhauled concrete and asphalt rubble shall be crushed and recycled at least once a year. Crushing activity shall not exceed five (5) continuous weeks of crushing
E. Dust/Particulate Management Plan: The owner/operator of an asphalt/concrete production facility must submit and comply with a dust management plan that includes, at a minimum, the following:
1. Stockpiles and non-paved surfaces shall be sprayed or coated as necessary to reduce airborne particulates;
2. Public roads to and from the property shall be swept and cleaned as necessary to eliminate migration of dust or dirt off the property;
3. All trucks hauling materials to/from the facility shall be covered to reduce airborne particulates.
F. Screening: The facility must be screened from adjacent residential dwellings by a combination of berms, landscaping, or fencing of a combined height of at least eight (8) feet in height. Required screening shall be a minimum of 80% opacity year round.
G. Traffic Management Plan: The owner/operator of an asphalt/concrete production facility must submit and comply with a traffic management plan and planned haul route detailing anticipated traffic demands and proposed haul routes. Except for local deliveries, any such plan shall direct all truck traffic to/from the facility on a “Principal Arterial” or an “A Minor Reliever Arterial” roadway as identified in the City’s Comprehensive Plan.
H. Other Regulations: No Asphalt/Concrete Production Facility shall operate in violation of any permit, rules, or regulations of the Minnesota Pollution Control Agency, or in violation of any law or ordinance.
I. Hours of Operations: Any Asphalt/Concrete Production Facility, including all ancillary activities, shall only operate between the hours of 6:00 a.m. and 7:00 p.m., Monday through Saturday, except that a facility may operate outside of those hours for a maximum of thirty days in a calendar year where such operations are necessary in order for the owner/operator of the facility to perform work under a contract related to a public road project that specifies work to be performed outside the hours of 6:00 a.m. to 7:00 p.m. Monday through Saturday and/or on Sunday. The operator shall provide the zoning administrator written notice of such exception to normal hours of operation at least forty-eight (48) hours in advance of the exception. No facility operations shall be permitted on New Year's Day, Easter, Memorial Day, Independence Day, Labor Day, Thanksgiving Day or Christmas Day.
J. Incorporated as Conditions of Approval: All management plans, haul routes, site plans, and elevations required herein and submitted by applicant in conjunction with facility approvals shall be incorporated as required conditions of approval whether or not referenced as such.
[§ 7A-823, added by Ord. No. 17-03, effective December 21, 2017; amended by Ord. No. 23-05, effective August 31, 2023.]