SECTION 001113 - INVITATION TO BID
FROM: 1.1 The Owner: Calhoun ISD 17111 G-Drive North Marshall, MI 49068
1.2 And The Owner's Representative Trane West Michigan 5030 Corporate Exchange Blvd. Grand Rapids, MI 49512
1.3 Date: November 9, 2026
1.4 TO: POTENTIAL BIDDERS
A. Your firm is invited to submit an offer to Owner for HVAC systems upgrades to the Calhoun ISD Dorris Klaussen Developmental Center. Bids are due before 2:00 PM local time on Tuesday December 1st, 2026, for the following project:
Dorris Klaussen HVAC Upgrades
Dorris Klaussen Developmental Center
408 West Jameson Ave Battle Creek, MI 49014
B. Bids shall be submitted in a sealed, opaque envelope identifying the bidder and the Project Title. Sealed bids shall be addressed to Kori Rafferty, and delivered to Calhoun ISD Administration Building, 17111 G-Drive North, Marshall, MI 49068. Include two, signed originals of your bid. Bids must include a completed bid form and all required bid attachments as noted on the bid form. Bids submitted without the completed bid attachments may be considered non-responsive. Bidders may supplement this form as appropriate. Faxed, emailed, and electronic bids will not be accepted.
C. Project Description: The Dorris Klaussen Development Center HVAC Upgrades project in Battle Creek, MI, for Calhoun ISD, is primarily the installation of a new central, chilled glycol cooling system including chiller, pumps, hydronic accessories, piping, and required electrical upgrades. This system will provide cooling for (2) large, existing rooftop heating and cooling units serving classrooms as well as new gym and cafeteria air handling units installed as part of this project. DX to glycol conversion and casing improvements for the 2 existing classroom rooftop units are included as part of this project. The new Cafeteria AHU (previously DX cooling) will also utilize chilled glycol for increased capacity and enhanced control, while the new Gym AHU includes chilled glycol cooling for the gym (previously heated only). Project construction will run from January to May of 2027.
D. Bid Documents: electronic bid packets may be obtained from the Owner Representative, Trane; E- mail: jknibbe@trane.com or 616-240-8314.
E. Your offer will be required to be submitted under a condition of irrevocability for a period of thirty (30) days after submission.
F. Prevailing wage labor rates are required for this project.
G. This is a public project; bids offers will be read aloud or disclosed to all bidders and interested parties, and a bid tabulation summary will be made available to all bidders not present at the bid reading that request such information by email to the owner representative. Bids will be read aloud at approximately 2:05 PM on Tuesday, December 1st, at Calhoun ISD Administration Building 17111 G-Drive North Marshall, MI 49068.
H. The Owner reserves the rights to reject all bids, reject individual non-responsive bids, or award to any bidder that will serve the Owner's best interest as deemed in their opinion.
I. A mandatory pre-bid meeting will be held on Wednesday, November 18, 2026 at 3:00 PM local time at the Dorris Klaussen Development Center located at 408 West Jameson Ave Battle Creek, MI 49014. The owner representative and owner will be in attendance and will attempt to answer contractor questions.
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