26-99538 2026 CIPP Sanitary Lining Project - City Wide

Purchasing Division, Finance Department
218-730-5340 | purchasing@duluthmn.gov
Room 120 | 411 West First Street | Duluth, Minnesota 55802
www.duluthmn.gov
INVITATION TO BID
2026 CIPP LINING PROJECT - CITY WIDE
BID NUMBER: 26-99538 BIDS DUE: Wednesday, June 24, 2026 at 2:00 PM
PROJECT DESCRIPTION:
The project includes 14,555 lineal feet of CIPP lining ranging between 8" - 12" active sanitary sewer
mains. 213 service lateral cuts, 40 chemical grout point repairs, and 28 open trench sewer pipe spot repairs.
Part of the sanitary sewer line inventory has a history of root issues. Heavy root cleaning, chemical grout point
repairs, spot repairs and end seals are estimates only based on historical data. Additionally, 200 vertical feet of
lining manhole structures with a monolithic polyurea coating.
ANTICIPATED START DATE: July 20, 2026
SUBSTANTIAL COMPLETION DATE: June 30, 2027
FINAL COMPLETION DATE: July 30, 2027
PRE-BID MEETING:
A pre-bid meeting will be held at TIME on Wednesday, June 17, 2026 at 1:00 PM in Room 236 of City of
Duluth, City Hall located at 411 West 1st. Street, Duluth, MN 55802. All interested bidders are strongly
encouraged to attend.
QUESTIONS:
Please submit any questions regarding this project via e-mail to Purchasing@duluthmn.gov. Responses will be
issued as an addendum to this solicitation. Deadline to submit questions is Wednesday, June 17, 2026.
The selected contractor will be issued a construction contract (draft included in the Standard City Contracting
Forms in the Bid Express solicitation as well as the City's Forms & Contracts page. Notice to Proceed will be
issued once the agreement is fully executed.
Specification may be viewed and downloaded at no cost at www.bidexpress.com. Bidders must create a free
account with Bid Express(R); and login to search for city projects (search by City of Duluth or the bid number).
Bid Express(R) does charge a nominal fee for bid submission. More information can be found at
https://www.infotechinc.com/bidding.
Proposal forms, contract documents, plans and specifications may also be on file at the following offices:
Minnesota Builder's Exchange and Builder's Exchange of Wisconsin.
INSTRUCTIONS TO BIDDERS
Bids must be submitted electronically through Bid Express(R) at www.bidexpress.com. Bid surety in the amount
of 5% of the total bid must be submitted with each bid. Bid bonds may be submitted electronically, either
through Surety2000 or Tinbu within the Bid Express solicitation or emailed to purchasing@duluthmn.gov.
Paper bid bonds, certified checks or bank drafts payable to the City of Duluth may be mailed or dropped off at
The City of Duluth is an Equal Opportunity Employer.

City Hall, 411 W. 1st Street, Room 120, Duluth, MN 55802. Regardless of the method of submission, bid surety
must be received by Purchasing prior to the bid opening.
The City Purchasing Agent or their designee will conduct a public bid opening immediately after the deadline
for receiving bids. Bidders may view the opening by going to the City's Bids & Requests for Proposals page
and selecting 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.
The City of Duluth reserves the right to split the award where there are savings to the City, to waive
informalities and to reject any and all bids. Price may not be the only consideration for bid award. Bids must be
firm for a minimum of 60 days.
Responsible Contractor Form A-2, Additional Subcontractors List - Contractors must complete the
Responsible Contractor Form and Attachment A-1 within BidExpress as part of their bid submission. The
awarded contractor is also required to complete and submit Responsible Contractor Form A-2 whenever
additional subcontractors are added to the project. This form can be found in the Standard Contract
Documents section of the BidExpress solicitation and as part of the Responsible Contractor Form found at the
City's Forms & Contract's page.
Please note that the following requirements also apply to this project, and any additional required
documents must be submitted prior to award/contract execution.
1. Insurance - Contractor must provide proof of Public 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 draft Contract, Section 8.
2. Performance & Payment Bonds - The awarded contractor will be required to submit performance and
payments bonds in the full amount of the project cost prior to award.
3. Project Labor Agreement (PLA) - A PLA will be required for any bid that is over or could virtually go over
$150,000. A copy of the City standard PLA is found at the City's Forms & Contract's page.
4. Community Benefits Provisions - A Community Benefits Best Efforts Plan will be required for any
project that includes a PLA. The required form is found at the City's Forms & Contract's page as well as a link
to additional community benefits information, including the program specifications and a process flowchart.
5. Out of State Contractor - Unless a State of Minnesota Certificate of Exemption is provided, any out-of-
state bidder receiving a bid award will have 8% retained from invoice payments on any contracts over $50,000.
Submit a signed copy of the Exemption from Surety Deposits for Non-Minnesota Contractors form when submitting
Payment and Performance Bonds.
6. Prevailing Wage - Not less than the minimum salaries and prevailing wages as set forth in the
contract documents must be paid on this project.
The City of Duluth is an Equal Opportunity Employer. Contractor shall comply with all applicable Equal
Employment Opportunity laws and regulations.
CITY OF DULUTH
Patrice Stalvig
Purchasing Agent