Resolution No. 2026-027 – A Resolution Setting the Date of May 19, 2026, for a Public Hearing on the Plans, Specifications for Village Drive and Roberts Ferry Road Traffic Signal Project and Opening of Bids on May 14, 2026 — I.2

ENGINEER'S OPINION OF PROBABLE COSTS ROBERTS FERRY ROAD & VILLAGE DRIVE TRAFFIC SIGNAL IMPROVEMENTS TIFFIN, IOWA DATE: 4/13/2026 Estimate Year 2026 MSA PROJECT #: 13603027 Construction Year 2026 Project Total ITEM NO. SUDAS NO. DESCRIPTION UNIT UNIT PRICE QUANTITY TOTAL PRICE Division 2: Earthwork 1 2010-D-1 Topsoil, On-site CY $ 100 8 $ 800 Division 6: Structures for Sanitary and Storm Sewers 2 6010-E-1 Manhole Adjustment, Minor EA $ 1,800 2 $ 3,600 Division 7: Streets and Related Work 3 7030-A-1 Removal of Sidewalk SY $ 15 40.0 $ 600 4 7030-E Sidewalk, PCC, 4 in. SY $ 30 120.0 $ 3,600 5 7030-E Sidewalk, PCC, 6 in. SY $ 80 75.0 $ 6,000 6 7030-G Detectable Warning SF $ 50 64 $ 3,200 7 7040-A Full Depth Patches, PCC, 10 in. SY $ 150 90.0 $ 13,500 Division 8: Traffic Control 8 8010-A Traffic Signal LS $ 345,000 1 $ 345,000 9 8020-C Painted Pavement Markings, Durable STA $ 5 8 $ 40 10 8020-G Painted Symbols and Legends, Durable EA $ 500 10 $ 5,000 11 8020-K Pavement Markings Removed STA $ 5 5.9 $ 30 12 8020-L Symbols and Legends Removed EA $ 160 9 $ 1,440 13 8030-A Temporary Traffic Control LS $ 10,000 1 $ 10,000 14 8040-B Traffic Signs SF $ 25 73.75 $ 1,844 Division 9: Site Work and Landscaping 15 9010-A Conventional Seeding, Seeding, Fertilizing, and Mulching, Type 1 LS $ 2,000 1 $ 2,000 16 9040-F-1 Wattle LF $ 9 150 $ 1,350 17 9040-F-2 Wattle, Removal LF $ 3 150 $ 450 18 9040-T-1 Inlet Protection Device, Surface-Applied EA $ 110 4 $ 440 Division 11: Miscellaneous 19 11,020-A Mobilization LS $ 32,000 1 $ 32,000 ESTIMATED CONSTRUCTION SUBTOTAL $ 430,893 Contingency 10% $ 43,100 Inflation 5% per year $ - ESTIMATED CONSTRUCTION COST (2026) $ 473,993 Estimated Grant/Loan Administration $ - Estimated Legal Fees $ - Estimated Property Acquisition $ - Estimated Design Engineering $ 58,525 Estimated Construction Engineering 10% $ 47,400 TOTAL ESTIMATED PROJECT COST: $ 580,000 Disclaimers & Assumptions This opinion of probable cost is approximate. Actual construction bids may vary significantly from this opinion due to timing of bids, constructual schedule restraints, labor rate 1 increases, material increases, or other factors beyond the control of the engineer. G:\13\13603\13603027\Cost Estimating\13603027 Preliminary Cost Estimate.xlsm Completed By: