Approval of Change Order #11 – Rathje Construction Co. – Original Town Urbanization – Phase 3 — E-5

CHANGE ORDER DATE: 7/23/2026 Change Order No: 11 (ELEVEN) Agreement Date: 12/14/2023 PROJECT: Original Town Urbanization – Phase 3 HFC #18218.131 OWNER: Tiffin, IA CONTRACTOR: Rathje Construction Co. DESCRIPTION OF CHANGES TO CONTRACT DOCUMENTS: Corporation stops for water services on U.S HWY 6 were found to be 2-inch instead of 1-inch per City records. Watermain in the intersection was found to be shallow and frost protections was requested by City staff. Both change order requests are dated in the fall of 2025 and the work was performed after verbal approval from the City. CONTRACT PRICE CHANGES: Original CONTRACT PRICE: $2,134,856.90 CONTRACT with LAST CHANGE ORDER: $2,332,885.13 THIS CHANGE ORDER AMOUNT: $14,040.00 NEW CONTRACT PRICE: $2,346,925.13 CONTRACT TIME CHANGES CONTRACT TIME (increased)(decreased): 1 Day NEW Completion Date: October 7, 2025 APPROVALS REQUIRED: To be effective this Order must be approved by the OWNER. OWNER: ________________________________ CONTRACTOR: See attached. ENGINEER: ________________________________