INVITATION TO BID
Aggregate Materials for 2026
POSTED: December 12, 2025
Bid #: 26-AA03
BIDS DUE: MONDAY, DECEMBER 30, 2025 @ 2:00 PM CT
City of Duluth
411 W. 1st St.
Duluth, MN 55802
Purchasing Division
120 City Hall, 411 W. 1st Street
Duluth, MN 55802-1189
218-730-5340
purchasing@duluthmn.gov
INVITATION TO BID
DELIVERED AGGREGATE MATERIALS FOR 2026
BID NUMBER: 26-AA03
BID OPENING: TUESDAY, DECEMBER 30, 2025 AT 2:00 PM
DESCRIPTION: The City of Duluth is requesting bids for Class 5 gravel (virgin and/or recycled),
Coarse Filter Aggregate, Rip Rap and Fine Filter Aggregate. Bidder may provide pricing for both
virgin and recycled Class 5 gravel. Delivered prices shall be FOB destination; bidder is responsible for
material until delivered.
AWARD: Successful bidder will be awarded a blanket order for calendar year 2026, with four (4) one-
year renewal options by mutual agreement. Prices are to remain firm through 2026; price changes
may be allowed in each subsequent year with verifiable justification for change and a 30-day written
notice of change. City may reject any price increase and rebid. Quantities in bid form are estimates
only and not a guarantee.
BIDS: All bids must be complete, signed, and transmitted in a sealed envelope plainly marked with the
bid number, subject matter, and opening date.
Bids may be mailed to the Purchasing Office, City Hall, 411 West 1st Street, Room 120, Duluth, MN 55802
or dropped off in person at the same address. EMAILED BIDS ARE NOT ALLOWED.
Bids must be received in Purchasing before the bid deadline specified above. The City Purchasing Agent
or her designee will conduct a public bid opening immediately following receipt of the bids. In-person bid
openings are not occurring. Bidders who wish to view the bid opening should visit
https://www.duluthmn.gov/purchasing/bids-request-for-proposals/ and click the appropriate link.
No alternatives to the specification will be considered unless specifically requested. Erasures or other
changes to the bid must be initialed and dated, however no special conditions shall be made or included
in the bid form by the bidder.
Please note that the following requirements also apply to this project, and any additional required
documents must be submitted prior to award/contract execution. Submitting these documents with
your bid will assist in expediting the process.
1. Insurance – Contractor must provide proof of Commercial Liability and Automobile Liability Insurance
with limits not less than $1,500,000 Single Limit prior to the commencement of work. The City of Duluth
must be named as an additional insured. Please refer to the insurance requirements included in the bid
packet.
2. Affidavit of Non-Collusion – The successful bidder shall be required to execute the attached affidavit
stating that he/she has not entered into a collusive agreement with any other person, firm, or corporation in
regard to any bid submitted.
The City of Duluth reserves the right to split the award where there is a substantial savings to the City, to
waive informalities and to reject any and all bids. Do not include sales tax in the unit price. Price may not
be the only consideration for bid award. Bids must be firm for a minimum of 60 days.
CITY OF DULUTH
Patti Stalvig
Purchasing Agent
See Exhibit A
BID FORM
BID # 26-AA03
DELIVERED AGGREGATE MATERIALS
ITEM
$
$
$
TOTAL $
PRICE
ACKNOWLEDGMENT OF ADDENDA
ADDENDUM #
ADDENDUM #
ADDENDUM #
ADDENDUM #
INITIAL/DATE
INITIAL/DATE
INITIAL/DATE
INITIAL/DATE
Signature _______________________________________________________ Date ___________________
Name/Title ______________________________________________________________________________
Company Name ___________________________________________________________________________
Address _________________________________________________________________________________
City, State, Zip ___________________________________________________________________________
Tel.____________________________________ E-Mail _________________________________________
If your organization is certified as a Disadvantaged Business Enterprise, please check here:
Revised 6.3.16
Vendor Name:
EXHIBIT A
NOTES:
1 Certified scale required.
2 One cubic yard = 1.4 ton or 2800 lbs.
3 All categories are for estimated usage and may vary up or down.
4 Any failed load in any category is the responsibility of the vendor to truck back.
5 City will purchase an estimated 26,000 tons of virgin or recycled Class V; not 26,000 tons of each.
6 Multiple departments throughout the City will use the Aggreggates. Prices remain firm across all departments.
7 Delivery will be throughout the year as needed.
Estimated
Material
Delivery/Pricing Details
Quantity
Class 5 Gravel (Virgin Material) per 2025 MN DoT Spec 3138.2.B, gradation per 3138.2.E
UOM
Quarry Location:______________________________________________________
Material Only, no delivery
Delivery per Ton, no material included:
26,000 Ton
Garfield Ave Service Center (deliveries upon request)
105 N. 40th Ave. W
Contact Bruce Kellerhuis (730-4463)
Kenwood Pit - intersection of Hovland Lane & Kenwood Ave
Contact Ross Young (730-4585)
Riley Road Pit - 3527 Riley Road
Contact Ross Young (730-4585)
Eerie Pier - 2427 Commonwealth Avenue
Contact Ross Young (730-4585)
20,000 Ton
2500 Ton
3000 Ton
500 Ton
500 Ton
Unit Price Total Price
$ -$
-
$ -$
-
$ -$
-
$ -$
-
$ -$
-
$ -$
-
Material
Delivery/Pricing Details
Estimated
Quantity
Class 5 Gravel (up to 25% recycled material) per 2025 MN DoT Spec 3138.2.C, gradation per 3138.2.E
UOM
Quarry Location:______________________________________________________
Material Only, no delivery
Delivery per Ton, no material included:
Garfield Ave Service Center (deliveries upon request)
105 N. 40th Ave. W
Contact Bruce Kellerhuis (730-4463)
Kenwood Pit - intersection of Hovland Lane & Kenwood Ave
Contact Ross Young (730-4585)
Riley Road Pit - 3527 Riley Road
Contact Ross Young (730-4585)
Eerie Pier - 2427 Commonwealth Avenue
Contact Ross Young (730-4585)
26,000 Ton
20,000 Ton
2500 Ton
3000 Ton
500 Ton
500 Ton
Unit Price Total Price
$ -$
-
$ -$
-
$ -$
-
$ -$
-
$ -$
-
$ -$
-
Material
Delivery/Pricing Details
Coarse Filter Aggregate per 2025 MN DoT Spec 3149.2.H
Quarry Location:______________________________________________________
Material Only, no delivery
Delivery per Ton, no material included:
Garfield Ave Service Center (deliveries upon request)
Estimated
Quantity
UOM Unit Price Total Price
1,000 Ton
$
$
1,000 Ton
$
$
This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.