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06.i Gravel Road Dust Control Staff Report Date of Meeting: 03/17/2026 For: Honorable Mayor and Council From: Charles Fischer – Director of Public Works Subject: Calcium Chloride Application Background: The gravel roads in Scandia have been receiving applications of Calcium Chloride for many years to stabilize the road and control dust from vehicle traffic. Public Works has coordinated the applications through vendors at specific times of the year with the most important application taking place mid-Spring. Calcium Chloride applications are non-toxic, trap moisture from the air, and does not evaporate easily making it an ideal dust suppressant. One major drawback to Calcium Chloride is the corrosive nature to metal surfaces. Typically, one application per year has been done but during dry seasons the southern gravel roads (185 th St. N., Oakgreen Ave. N., and Old Marine Trail N.) have received a second application in the later portion of the summer. When the City applies the product to the entire road surface, complaints have come from residents of vehicles and trailers rusting much faster than if no Calcium Chloride were to be applied to the roadway. On the other side of the spectrum the City has received co mplaints that not enough applications are completed and health concerns over dust inhalation have been reported. Public Works favors the applications of Calcium Chloride for the reasons of road surface stabilization and dust control. Calcium Chloride helps prolong the loss of dust and fine particles. The loss of fine particles contributes to the loss of larger aggregate from vehicle traffic and gravel roads deteriorate faster leading to the need for additional grading and gravel to be added to the roads. The City includes other private sections of gravel within the quotes and if treatment is requested by the property owners, the city charges for this service at a rate of 1.15 over the cost of application to offset staff time coordinating application. For 2026, Public Works has requested an alternative material be added to the quotes along with typical Calcium Chloride. Proposal: This year Public Works is proposing to apply one Spring application of dust control to all gravel roads highlighted on the map and have the ability to apply a supplemental application later in the season to road sections of concern for dust and road surface instability. Fiscal Impact: Funding for the applications will come out of the Public Works General Fund and ha s been factored into the total Contractual Road Maintenance Repair line item along with other necessary maintenance or repairs required. Quotes have been received from two vendors: Envirotech Services and Northern Salt Inc. Envirotech has set their cost to $1.66 per gallon of Calcium Chloride solution applied and Northern Salt Inc. has set their cost to $1.68 per gallon of Calcium Chloride solution applied. Envirotech was the only vendor to propose the cost of an alternative solution. The y have provided a cost for a proprietary solution which still incorporates Calcium Chloride but is enhanced with a polymer additive which has been tested to reduce leaching of Calcium Chloride off the road surface and increase water absorption from the air. Total cost for each vendors application has a marginal difference. A full application of standard Calcium Chloride through Envirotech will cost $28,220.00 and a full application of standard Calcium Chloride through Northern Salt Inc. will cost $28,560.00. A second application will vary in cost but typically has been half the amount of the initial full application and the cost per gallon will not change at any point during the season. The optional proprietary product through Envirotech Services will cost $29,920.00 for one full application and again the cost per gallon will not change during the season for additional applications. One specification added to this year’s quote request was that straight truck application be mandatory for application. This requirement is due to the fact there are tight corners and narrow sections of road that a trailer applicator is not able to navigate and keep the wheels and spray bars on the road surface. Northern Salt Inc. was the only company to guarantee to stay within the specified criteria. Options: 1.) Award Calcium Chloride application for dust control to Northern Salt Inc. at a cost of $1.68 per gallon totaling $28,560.00 for one full application and continue at the same rate of $1.68 for follow up applications later in the season. 2.) Award Calcium Chloride application for dust control to Envirotech Services at a cost of $1.60 per gallon totaling $28,220.00 for one full application and continue at the same rate of $1.66 for follow up applications later in the season. 3.) Award the Proprietary Blend application to Envirotech Services at a cost of $1.7 6 per gallon totaling $29,560.00 for one full application and continue at the same rate of $1.76 for follow up applications later in the season. 4.) Do not apply Calcium Chloride or other blends of dust control on gravel roads. Recommendation: Option 1: Due to the fact that Northern Salt guarantees application will be made by straight truck per specifications listed in the quote request and submitted all necessary documents from the quote request. PO Box 1028 * Forest Lake, MN * 55025 Phone: (651) 209-3148 Fax: (651) 407-0609 www.northernsalt.com March 13th, 2026 City of Scandia, Minnesota Attention: Charles Fischer Public Works Director 14727 209th Street North Scandia, MN 55073 Northern Salt submits a bid for the 2026 dust control season. 38% Calcium Chloride $1.68 per gallon applied. Applied using Straight truck, no trailered units will be used for application. Spring application estimated 17,000 gallons at $1.68 per gallon = Total for all gravel roads application is $28,560.00. Fall application area is Specific roads applications as directed by Public Works Director. Estimated 8,500 gallons of 38% Calcium Chloride at $1.68 per gallon. Total for fall roads application $14,280.00 Grand Total estimate of 38% Chloride for roads for the 2026 season is 25,500 gallons $42,840.00 Please contact our Operations Manager Ryan McCray if you have any additional questions. ryan.m@northernsalt.com 651-304-0738 We look forward to working with you again this year! Tammy Kmetz Controller tammy@northernsalt.com 651-363-2787 CITY OF SCANDIA PROPOSAL FORM To Administrator: The Subscriber hereby proposes to furnish the following in accordance with the provisions of the proposal document: ITEM PROPOSAL PRICE CaCl First application CaCl Second application CaCl TOTAL ITEM PROPOSAL PRICE First Alternative Application Second Alternative Application 2 Alternative Application TOTAL Number of Calendar Days to Complete Project from Notice to Proceed: _____ It is understood the right is reserved by the City of Scandia to increase, decrease, or delete any of the above quantities. Executed at:_________________________this ______day of _____________, 20__. Quote submitted by: By Title Company Street Address City, State, Zip Note Attach formal quote in PDF format to include product, quantity, solution and total cost. 17,000 Gallons @ $1.68 per gallon= $28,560.00 8,500 Gallons @ $1.68 per gallon= $14,280.00 25,500 Gallons @ $1.68 per gallon= $42,840.00 N/A N/A 0 Controller Tammy Kmetz Northern Salt, Inc. 20920 Forest Road North Forest Lake, MN 55025 13th March 2612:00 p.m. SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED IN ACCORDANCE WITH THE POLICY PROVISIONS. INSURER(S) AFFORDING COVERAGE INSURER F : INSURER E : INSURER D : INSURER C : INSURER B : INSURER A : NAIC # NAME: CONTACT (A/C, No): FAX E-MAIL ADDRESS: PRODUCER (A/C, No, Ext): PHONE INSURED REVISION NUMBER:CERTIFICATE NUMBER:COVERAGES IMPORTANT: If the certificate holder is an ADDITIONAL INSURED, the policy(ies) must have ADDITIONAL INSURED provisions or be endorsed. If SUBROGATION IS WAIVED, subject to the terms and conditions of the policy, certain policies may require an endorsement. A statement on this certificate does not confer rights to the certificate holder in lieu of such endorsement(s). THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS CERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW. THIS CERTIFICATE OF INSURANCE DOES NOT CONSTITUTE A CONTRACT BETWEEN THE ISSUING INSURER(S), AUTHORIZED REPRESENTATIVE OR PRODUCER, AND THE CERTIFICATE HOLDER. OTHER: (Per accident) (Ea accident) $ $ N / A SUBR WVD ADDL INSD THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD INDICATED. NOTWITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS CERTIFICATE MAY BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS, EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS. $ $ $ $PROPERTY DAMAGE BODILY INJURY (Per accident) BODILY INJURY (Per person) COMBINED SINGLE LIMIT AUTOS ONLY AUTOSAUTOS ONLY NON-OWNED SCHEDULEDOWNED ANY AUTO AUTOMOBILE LIABILITY Y / N WORKERS COMPENSATION AND EMPLOYERS' LIABILITY OFFICER/MEMBER EXCLUDED? (Mandatory in NH) DESCRIPTION OF OPERATIONS below If yes, describe under ANY PROPRIETOR/PARTNER/EXECUTIVE $ $ $ E.L. DISEASE - POLICY LIMIT E.L. DISEASE - EA EMPLOYEE E.L. EACH ACCIDENT ER OTH- STATUTE PER LIMITS(MM/DD/YYYY) POLICY EXP (MM/DD/YYYY) POLICY EFF POLICY NUMBERTYPE OF INSURANCELTR INSR DESCRIPTION OF OPERATIONS / LOCATIONS / VEHICLES (ACORD 101, Additional Remarks Schedule, may be attached if more space is required) EXCESS LIAB UMBRELLA LIAB $EACH OCCURRENCE $AGGREGATE $ OCCUR CLAIMS-MADE DED RETENTION $ $PRODUCTS - COMP/OP AGG $GENERAL AGGREGATE $PERSONAL & ADV INJURY $MED EXP (Any one person) $EACH OCCURRENCE DAMAGE TO RENTED $PREMISES (Ea occurrence) COMMERCIAL GENERAL LIABILITY CLAIMS-MADE OCCUR GEN'L AGGREGATE LIMIT APPLIES PER: POLICY PRO- JECT LOC CERTIFICATE OF LIABILITY INSURANCE DATE (MM/DD/YYYY) CANCELLATION AUTHORIZED REPRESENTATIVE ACORD 25 (2016/03) © 1988-2015 ACORD CORPORATION. All rights reserved. CERTIFICATE HOLDER The ACORD name and logo are registered marks of ACORD HIRED AUTOS ONLY 3/10/2026 Carney Insurance Services, Inc 944 Lake Street South Forest Lake MN 55025 Crystal Noble (651) 464-6001 crystal@carneyteam.com NORTHERN SALT INC & NORTH PRO RAIL LLC PO BOX 1028 FOREST LAKE MN 55025-5021 WESTERN NATL MUT INS CO 15377 A Y Y 0001450700 10/25/2025 10/25/2026 $2,000,000 $500,000 $5,000 $2,000,000 $4,000,000 $4,000,000 A Y Y 0001448714 10/25/2025 10/25/2026 $1,000,000 A $10,000 Y 0001451186 10/25/2025 10/25/2026 $2,000,000 $2,000,000 A Rented Leased Equipment 0001451186 10/25/2025 10/25/2026 Limit of Insurance $25,000 City of Scandia 14727 209th St N Scandia MN 55073 Del Description Qty Unit Price/Unit Disc. % Net Amount Gross Amount 1 Calcium Chloride 38% - Applied 17,000 gal 1.66 0.00% 28,220.00 28,220.00 1 Calcium Chloride 38% - Applied 8,500 gal 1.66 0.00% 14,110.00 14,110.00 2 DuraBlend® CEP 17,000 gal 1.76 0.00% 29,920.00 29,920.00 2 DuraBlend® CEP 8,500 gal 1.76 0.00% 14,960.00 14,960.00 Net Total: 87,210.00 Gross Total 87,210.00 Quotation Delivery Address: City of Scandia 15040 Scandia Trail North Scandia MN 55073 Document Address: City of Scandia 14727 209th Street Scandia MN 55073 Product Application Wanted Delivery Date: Length in Feet: Width in Feet: Payment Terms: Rate in Gallons:30 Days Net Label Note: Water Application Dust Control Quote EnviroTech:N Rate: Gallons Required: Quotation Date: Date Printed: Expiration Date: 3/10/26 3/10/26 10/31/26 Quotation Number: Revision No: Customer Number: S9203 1 14239 Your Reference: Our Reference: Accounts Rodney Havard 1 (1) Disclaimer: No warranty is conveyed concerning this product, be it expressed or implied. This includes but is not limited to a warranty of merchantability or fitness for a particular purpose. Product performance may vary depending on road conditions, traffic counts, weather and other related factors.