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

ITEM ANALYSIS Project Tiffin Water Treatment Facilicy Upgrade Location Tiffin, IA Description Butterfly Valve Deduct - 20-A18, A19, A20 Estimator Tom Shedek Contractor Tricon Construction Group Date 12/9/2025 Labor Expense Permanent Materials Sub Contracts Description QTY Units Unit Rate Man-hours Wages Engineered Equipment Total Direct Cost U.P. Total U.P. Total U.P. Total Item # Base Bid Costs (Deducts) 1-1 Valve Deduct - 20-A18, 20-A19, 20-A20 - Mellen 3 Ea $ - $ 2,333.33 $ 7,000.00 $ - $ 7,000.00 1-2 6" Bolt/ Gasket Kits - Core & Main 4 Ea $ - $ 165.75 $ 663.00 $ - $ 663.00 1-3 8" Bolt/ Gasket Kits - Core & Main 2 Ea $ - $ 166.25 $ 332.50 $ - $ 332.50 1-4 Valve Installation Labor - 2 PF @ 2MH/valve 6.00 $ 100.00 $ 600.00 $ - $ - $ 600.00 1-5 $ - $ - $ - $ - 1-6 $ - $ - $ - $ - Totals 6.00 $ 600.00 $ 7,995.50 $ - $ 8,595.50 Item # Base Bid Changes per Team/City Request 2-1 $ - $ - $ - $ - 2-2 $ - $ - $ - $ - 2-3 $ - $ - $ - $ - 2-4 $ - $ - $ - $ - 2-5 $ - $ - $ - $ - 2-6 $ - $ - $ - $ - Totals - $ - $ - $ - $ - Delta = Orange - Blue (pos # is total add, neg # is total deduct) 6.0 $ 600.00 $ 7,995.50 $ - $ (8,595.50) NOTES: Delta = (Addition total - Base Bid total) Project Manager or Authorized Designee Signature The above costs do not include any contractual markups. X Date: 1 OF 1 12/8/2025, 9:00 PM