Discussion and Consideration of Change Order #9 – Boomerang Corp - North Park Road Improvement Project – Motion to Approve

City of Tiffin - Iowa Change Order Details 52-7662-615 Description STP-U-7662(615)--70-52, Letting Date- December 17, 2024 Prime Contractor Boomerang Corp. 13225 Circle Dr Suite A, Anamosa, IA 52205 Anamosa, IA, IA 52205 Change Order 9 Status Pending Date Created 08/21/2025 Type Non-Significant - Federal-Aid Participating Summary Add items Grate Intake Sediment Filter Bag, EC-604, maintenance, and removal. This is for protection of the SW-502 intakes per NPDES permit. Change Order Description 8090: Add item for 2602-0000530 GRATE INTAKE SEDIMENT FILTER BAG, EC-604 8100: Add item for 2602-0000540 MAINTENANCE OF GRATE INTAKE SEDIMENT FILTER BAG 8110: Add item for 2602-0000550 REMOVAL OF GRATE INTAKE SEDIMENT FILTER BAG Awarded Project Amount $5,458,891.91 Authorized Project Amount $5,476,966.16 Change Order Amount $1,017.50 Revised Project Amount $5,477,983.66 B-Reason for Change 8090-8110: Change Order Details: 08/25/2025 52-7662-615 Page 1 of 3