Discussion and Consideration of Change Order #2 – Tricon Construction – Tiffin Water Treatment Facility Upgrade Project – Motion to Approve — K.4

CHANGE ORDER NO.: 2 Owner: City of Tiffin Engineer: MSA Professional Services Contractor: Tricon Construction Group Project: Tiffin WTF Upgrade Contract Name: 13603021 – Tiffin WTF Upgrade Date Issued: April 1, 2026 Owner’s Project No.: Engineer’s Project No.: 13603021 Contractor’s Project No.: 25-012-IA Effective Date of Change Order: April 7, 2026 The Contract is modified as follows upon execution of this Change Order: Description: This change order shall incorporate the following changes: • Increase for new water service = $3,454.10 • Increase for installation of bollards and concrete pad at transformer location b/c of relocation = $1,804.21 • Increase to include concrete curbs for chemical containment areas = $1,022.01 • Increase to change masonry wall in existing WTP to load bearing to support truss loadings = $2,556.62 • Decrease to eliminate (2) 6” and (1) 8” butterfly valves on the clean in place piping and to include (1) 12” butterfly valve in the forced draft aerator vault = ($1,619.74) • Increase to include ductwork intake in the MCC Room = $3,402.31 • Decrease for acceptance of low lift pumps which had a lower efficiency than specified = ($2,809.94) Attachments: Change order request documents. <table> <tr> <th colspan="2">Change in Contract Price</th> <th colspan="2">Change in Contract Times</th> </tr> <tr> <td>Original Contract Price:</td> <td>$ 12,182,553.00</td> <td>Original Contract Times:</td> <td>Substantial Completion: 9/30/26<br>Ready for final payment: 11/30/26</td> </tr> <tr> <td colspan="2"><b>Increase from previously approved Change Orders No. 1 to No. 1</b></td> <td colspan="2"><b>[Increase] [Decrease] from previously approved Change Orders No.1 to No. [Number of previous Change Order]:</b><br>Substantial Completion: N/A<br>Ready for final payment: N/A</td> </tr> <tr> <td>Contract Price prior to this Change Order:</td> <td>$ 12,194,973.34</td> <td>Contract Times prior to this Change Order:</td> <td>Substantial Completion: 9/30/26<br>Ready for final payment: 11/30/26</td> </tr> <tr> <td><b>Increase</b> this Change Order:</td> <td>$ 7,728.57</td> <td><b>[Increase] [Decrease]</b> this Change Order: $0.00</td> <td>Substantial Completion: 0<br>Ready for final payment: 0</td> </tr> <tr> <td>Contract Price incorporating this Change Order:</td> <td>$ 12,202,701.91</td> <td>Contract Times with all approved Change Orders:</td> <td>Substantial Completion: 9/30/26<br>Ready for final payment: 11/30/26</td> </tr> </table> Recommended by Engineer By: [signature] Title: Senior Project Engineer Date: April 2, 2026 Accepted by Contractor [signature] Owner 04.02.26