ORIGINAL ADVERTISED DATE:  February 5, 2026

DUE DATE: Thursday February 26, 2026 at 11:00 AM

MANDATORY PRE-BID CONFERENCE: NONE

PROJECT MANAGER:  Robert Benson, P.E.

INVITATION TO BID

NOTICE is hereby given that the City of Burlington will receive sealed Bids until the 26th day of February 2026 at 11:00 AM at the Department of Public Works, 2200 S. Pine Street, Burlington, Wisconsin. Electronic submissions will also be received. Sealed and electronic proposals will be opened and read aloud immediately afterward in the Public Works Conference Room for the following project:

Primary Digester Mixing System Improvements

Work Description

Provide all labor, services, and materials necessary for the demolition of the existing induced gas mixing equipment and the installation of a pump nozzle mixing system including all pipe and fittings; valves; mixing pump; mixing nozzles; structural work; electrical work; instrumentation and SCADA integration; and all other work necessary for a complete and functioning primary digester mixing system as shown and specified.

Contract Documents

The Contract Documents may be inspected and purchased at Trotter and Associates, Inc., 700 Geneva Parkway North, Suite B, Lake Geneva, Wisconsin 53147, (262) 729–4350. Contact Heidi Patla at h.patla@trotter-inc.com to schedule an appointment or to purchase the contract documents. Hard or electronic copies of the documents are available for purchase.

Payment for printed Contract Documents is non–refundable and shall be payable to Trotter and Associates, Inc. in the form of cash, certified check or money order. No partial sets of specifications or drawings will be issued. The non–refundable cost for plans and specifications is $150.00 for a hard copy and $50.00 for an electronic copy. Addenda will be issued only to plan holders of record.

Bid Security

Bidders will be required to provide Bid security equal to ten percent (10%) of the Bid in the form of a Bid Bond written by a company properly licensed in Wisconsin, a certified check or a cashier’s check. The successful Bidder will be required to furnish performance and payment bonds on forms provided in the Contract Documents, each equal to one hundred percent (100%) of the total contract price. 

Rejection of Bids

The City of Burlington, in accordance with the Laws of the State of Wisconsin, hereby notifies all Bidders that the City reserves the right to reject any and all Bids, to waive minor informalities or technicalities, to advertise for new bids, or to request confirmation or clarification from any bidder regarding information contained in a bid. The City will affirmatively ensure that the contract entered into pursuant to this advertisement will be awarded to a responsible and responsive Bidder without discrimination on the ground of race, color or national origin, but the Owner reserves the right to reject any or all Bids received and to waive formalities. Bids will be required to be submitted under a condition of irrevocability for a period of sixty (60) days after submission.

Submittals

Bids shall be received in a sealed envelope addressed to the City of Burlington, Department of Public Works, 2200 S. Pine Street, Burlington, WI 53105, marked in the lower left-hand corner as follows:   

      

BID:        Director of Public Works

               City of Burlington

               Primary Digester Mixing System Improvements

Electronic submissions will also be received. Electronic submission must be sent with a delivery and read receipt(s) to Howard Moser (hmoser@burlington.gov) and Robert Benson (b.benson@trotter-inc.com).