WS - D - Conceptual Parking Lot Expansion - Jim Bartels City Park

ENGINEER'S OPINION OF PROBABLE COSTS WELLNESS & RECREATION CENTER PHASE 2 PARKING LOT EXTENSION TIFFIN, IOWA DATE: 7/23/2024 Estimate Year 2024 MSA PROJECT #: 13603011 Construction Year 2025 Project Total ITEM NO. SUDAS NO. DESCRIPTION UNIT UNIT PRICE QUANTITY TOTAL PRICE Division 2: Earthwork 2.01 2010-C Clearing and Grubbing LS $ 2,000 1 $ 2,000 2.02 2040-D-1 Topsoil, On-site CY $ 10 1,400 $ 14,000 2.03 2010-E Excavation, Class 10 CY $ 10 1,400 $ 14,000 2.04 2010-G Subgrade Preparation, 12 in. Thickness SY $ 5 4,040 $ 20,200 2.05 2010-J Subbase, Modified, 4 in. Thickness SY $ 10 4,040 $ 40,400 2.06 2010-M Compaction Testing, Moisture & Density Control LS $ 3,000 1 $ 3,000 Division 7: Streets and Related Work 7.01 7010-A Pavement, PCC, 6 in. Thickness SY $ 50 3,800 $ 190,000 7.02 7010-I PCC Pavement Samples and Testing LS $ 4,000 1 $ 4,000 7.03 7030-A-1 Removal of Sidewalk SY $ 12 55 $ 660 Division 8: Traffic Control 8.01 8020-B Painted Pavement Markings, Waterborne STA $ 100 23.0 $ 2,300 8.02 8020-G Painted Symbols and Legends, Waterborne EA $ 125 6 $ 750 8.03 8030-A Temporary Traffic Control LS $ 2,000 1 $ 2,000 Division 9: Site Work and Landscaping 9.01 9010-B Hydraulic Seeding, Seeding, Fertilizing, and Mulching (BFM), Type 1 AC $ 4,000 0.4 $ 1,600 9.02 9040-A-1 Stormwater Pollution Prevention Plan (SWPPP) Preparation LS $ 2,500 1 $ 2,500 9.03 9040-A-2 Stormwater Pollution Prevention Plan (SWPPP) Management LS $ 3,300 1 $ 3,300 9.04 9040-F-1 Wattle, Installation LF $ 4 1,200 $ 4,800 9.05 9040-F-2 Wattle, Removal LF $ 1 1,200 $ 1,200 9.06 9040-Q-1 Erosion Control Mulching, Hydromulching (BFM) AC $ 2,000 0.8 $ 1,600 Division 11: Miscellaneous 11.01 11,020-A Mobilization LS $ 34,800 1 $ 34,800 11.02 11,050-A Concrete Washout LS $ 1,500 1 $ 1,500 ESTIMATED CONSTRUCTION SUBTOTAL $ 344,610 Contingency 20% $ 69,000 Inflation 5% per year $ 20,700 ESTIMATED CONSTRUCTION COST (2025) $ 434,310 Estimated Grant/Loan Administration $ - Estimated Legal Fees 1% $ 4,400 Estimated Property Acquisition $ - Estimated Design Engineering 10% $ 43,500 Estimated Construction Engineering 10% $ 43,500 TOTAL ESTIMATED PROJECT COST: $ 530,000 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. 2 Easements are estimations only. Compensation will be adjusted as needed during negotiations. 3 No lighting or private utility relocation costs included. 4 Assumes removal of existing structure as part of a separate contract, completed prior to this project. 5 Assumes surface drainage with grading to the north. No storm sewer or pipe culverts associated. 6 Assumes striping of new pavement only, no restriping of existing parking lot. 7 Assumes six (6) handicapped stalls with symbols. G:\13\13603\13603011\_City Rec Center\Cost Estimates\13603011 OPC-Preliminary_2024-0719.xlsm Completed By: