K-5 - Professional Services Predesign Agreement with DOT - Highway 6 Improvements

Exhibit B COST SUMMARY BASED ON ENGINEER'S OPINION OF PROBABLE COST US 6 in Tiffin from Grant St. to Park Rd. Project No. STP-006-7(098)--2C-52 ESTIMATED COST SHARE ESTIMATED COST SHARE CATEGORY CITY IOWA DOT CITY IOWA DOT TOTAL % SHARE % SHARE COST COST Excavation and Removals 33% 67% $155,172.07 $ 315,046.31 $ 470,218.38 Paving 30% 70% $747,879.00 $ 1,704,813.00 $ 2,452,692.00 Drainage (Storm Sewer) 100% 0% $ 866,860.00 $ - $ 866,860.00 Utililties (Water) 100% 0% $ 302,630.00 $ - $ 302,630.00 Traffic Signals 100% 0% $ 300,000.00 $ - $ 300,000.00 Sidewalk (new) 100% 0% $ 280,048.00 $ - $ 280,048.00 Sidewalk (replace - ADA) 0% 100% $ - $ 164,846.58 $ 164,846.58 Extend Culvert 100% 0% $ 135,451.21 $ - $ 135,451.21 Replace Box Culverts 0% 100% $ - $ 669,318.09 $ 669,318.09 Mobilization, Temp. Traffic Control 50% 50% $ 258,860.88 $ 258,860.88 $ 517,721.77 Sub-Total 49% 51% $ 3,046,901.16 $ 3,112,884.86 $ 6,159,786.03 Inflation - 2 years @ 4.5% 49% 51% $ 280,391.08 $ 286,463.23 $ 566,854.31 Miscellaneous and Contingency 48% 52% $ 627,000.00 $ 668,000.00 $ 1,295,000.00 TOTAL PROJECT 49% 51% $ 3,954,292.24 $ 4,067,348.09 $ 8,021,640.34 2025-P-001_Tiffin