Approval of Change Order #3 – Tricon Construction Group – Water Treatment Facility Upgrade — E-3

CHANGE ORDER NO.: 3 Owner: City of Tiffin Owner’s Project No.: Engineer: MSA Professional Services Engineer’s Project No.: 13603021 Contractor: Tricon Construction Group Contractor’s Project No.: 25-012-IA Project: Tiffin WTF Upgrade Contract Name: 13603021 – Tiffin WTF Upgrade Date Issued: August 19, 2026 Effective Date of Change Order: September 1, 2026 The Contract is modified as follows upon execution of this Change Order: Description: This change order shall incorporate the following changes:  Increase to switch door and frame for fluoride to room from hollow metal to FRP = $3,925.55  Increase to switch door hardware items to stainless steel for chemical room doors = $9,407.74  Increase for building modifications related to fire ratings = $15,493.29  Increase to install (2) light fixtures in the FD Aerator vault = $2,685.84  Increase to locate the split AC unit for the MCC Room to the south wall instead of the north wall = $812.91  Increase for truss modifications to comply with IBC 2018 = $5,325.07 Attachments: Change order request documents. Change in Contract Price Change in Contract Times Original Contract Price: Original Contract Times: Substantial Completion: 9/30/26 $ 12,182,553.00 Ready for final payment: 11/30/26 Increase from previously approved Change Orders No. [Increase] [Decrease] from previously approved 1 to No. 2 Change Orders No.1 to No. [Number of previous Change Order]: Substantial Completion: N/A $ 20,148.91 Ready for final payment: N/A Contract Price prior to this Change Order: Contract Times prior to this Change Order: Substantial Completion: 9/30/26 $ 12,202,701.91 Ready for final payment: 11/30/26 Increase this Change Order: [Increase] [Decrease] this Change Order: $0.00 Substantial Completion: 0 $ 37,650.40 Ready for final payment: 0 Contract Price incorporating this Change Order: Contract Times with all approved Change Orders: Substantial Completion: 9/30/26 $ 12,240,352.31 Ready for final payment: 11/30/26 EJCDC® C-941, Change Order EJCDC® C-941, Change Order, Rev.1. Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies and American Society of Civil Engineers. All rights reserved. Page 1 of 2