contract agreement · K-2

Discussion and Consideration to Approve a Professional Service Agreement with the Iowa DOT for the Highway 6 Improvements Project – Motion to Approve — K-2

Dated September 1, 2026City Council — regular meeting, September 1, 2026 13 pages

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Exhibit B: Cost Estimate Division 2 - 100% City of Division 3 - Stormwater Division 1 - 100% Iowa DOT Tiffin Items (94% DOT, 6% City) # Item Code Item Description Unit Unit Price Quantity Total Cost Quantity Cost Quantity Cost Quantity Cost 70 2524-9325001 TYPE A SIGNS, SHEET ALUMINUM SF 31.00 192.7 $5,973.70 192.70 $5,973.70 0.00 $0.00 0.00 $0.00 71 2525-0000100 TRAFFIC SIGNALIZATION LS 480,000.00 1 $480,000.00 0.00 $0.00 1.00 $480,000.00 0.00 $0.00 72 2526-8285010 CONSTRUCTION SURVEY, MONUMENT PRESERVATION LS 4,000.00 1 $4,000.00 0.50 $2,000.00 0.50 $2,000.00 0.00 $0.00 73 2526-8285020 CONSTRUCTION SURVEY, CONTROL POINT SURVEY LS 4,000.00 1 $4,000.00 0.50 $2,000.00 0.50 $2,000.00 0.00 $0.00 74 2526-8285040 CONSTRUCTION SURVEY, LOCATION SURVEY LS 35,000.00 1 $35,000.00 0.50 $17,500.00 0.50 $17,500.00 0.00 $0.00 PAINTED SYMBOLS AND LEGENDS, WATERBORNE OR SOLVENT- 75 2527-9263137 BASED EA 115.00 49 $5,635.00 49.00 $5,635.00 0.00 $0.00 0.00 $0.00 76 2527-9263181 PAVEMENT MARKINGS REMOVED STA 185.00 23.04 $4,262.40 23.04 $4,262.40 0.00 $0.00 0.00 $0.00 PAINTED PAVEMENT MARKINGS, WATERBORNE OR SOLVENT- 77 2527-9263209 BASED STA 65.00 170.97 $11,113.05 170.97 $11,113.05 0.00 $0.00 0.00 $0.00 78 2527-9263231 REMOVABLE TAPE MARKINGS, WET RETROREFLECTIVE STA 245.00 3.44 $842.80 3.44 $842.80 0.00 $0.00 0.00 $0.00 79 2528-2518000 SAFETY CLOSURE EA 185.00 18 $3,330.00 9.00 $1,665.00 9.00 $1,665.00 0.00 $0.00 NO EXCUSE ROAD OPENING BONUS, U.S. 6 STAGES 1 AND 2 ON 80 2528-5160000 OR BEFORE NOVEMBER 19, 2027 LS 50,000.00 1 $50,000.00 1.00 $50,000.00 0.00 $0.00 0.00 $0.00 81 2528-8445110 TRAFFIC CONTROL LS 335,000.00 1 $335,000.00 0.50 $167,500.00 0.50 $167,500.00 0.00 $0.00 82 2528-9290050 PORTABLE DYNAMIC MESSAGE SIGN (PDMS) CDAY 150.00 0 $0.00 0.00 $0.00 0.00 $0.00 0.00 $0.00 83 2533-4980005 MOBILIZATION LS 335,000.00 1 $335,000.00 0.50 $167,500.00 0.50 $167,500.00 0.00 $0.00 84 2552-0000300 TRENCH COMPACTION TESTING LS 2,650.00 1 $2,650.00 0.50 $1,325.00 0.50 $1,325.00 0.00 $0.00 WATER MAIN, TRENCHED, POLYVINYL CHLORIDE PIPE (PVC), 8 85 2554-0114008 IN. LF 140.00 2553 $357,420.00 0.00 $0.00 2553.00 $357,420.00 0.00 $0.00 WATER MAIN WITH CASING PIPE, TRENCHED, POLYVINYL 86 2554-0134008 CHLORIDE PIPE (PVC), 8 IN. LF 230.00 123 $28,290.00 0.00 $0.00 123.00 $28,290.00 0.00 $0.00 87 2554-0203000 FITTINGS BY WEIGHT, DUCTILE IRON LB 22.00 1060 $23,320.00 0.00 $0.00 1060.00 $23,320.00 0.00 $0.00 88 2554-0204220 WATER SERVICE STUB, PVC, 2 IN. EA 3,000.00 1 $3,000.00 0.00 $0.00 1.00 $3,000.00 0.00 $0.00 89 2554-0207006 VALVE, GATE, DIP, 6 IN. EA 2,540.00 3 $7,620.00 3.00 $7,620.00 0.00 $0.00 0.00 $0.00 90 2554-0207008 VALVE, GATE, DIP, 8 IN. EA 3,310.00 10 $33,100.00 0.00 $0.00 10.00 $33,100.00 0.00 $0.00 91 2554-0209006 VALVE REMOVAL, 6 IN. EA 460.00 3 $1,380.00 3.00 $1,380.00 0.00 $0.00 0.00 $0.00 92 2554-0210201 FIRE HYDRANT ASSEMBLY, WM-201 EA 11,700.00 7 $81,900.00 0.00 $0.00 7.00 $81,900.00 0.00 $0.00 93 2554-0211008 FLUSHING DEVICE (BLOWOFF), 8 IN. EA 2,100.00 1 $2,100.00 0.00 $0.00 1.00 $2,100.00 0.00 $0.00 94 2554-0212040 VALVE BOX ADJUSTMENT, MINOR EA 535.00 4 $2,140.00 4.00 $2,140.00 0.00 $0.00 0.00 $0.00 95 2554-0214000 FIRE HYDRANT ADJUSTMENT EA 2,580.00 2 $5,160.00 2.00 $5,160.00 0.00 $0.00 0.00 $0.00 96 2555-0000010 DELIVER AND STOCKPILE SALVAGED MATERIALS LS 3,000.00 1 $3,000.00 0.00 $0.00 1.00 $3,000.00 0.00 $0.00 97 2599-9999005 ('EACH' ITEM) CONNECTION TO EXISTING WATER MAIN EA 4,240.00 2 $8,480.00 0.00 $0.00 2.00 $8,480.00 0.00 $0.00 98 2599-9999005 ('EACH' ITEM) SUBDRAIN CLEANOUT, TYPE B EA 2,140.00 4 $8,560.00 4.00 $8,560.00 0.00 $0.00 0.00 $0.00 99 2599-9999010 ('LUMP SUM' ITEM) ROADWAY LIGHTING SYSTEM LS 300,000.00 1 $300,000.00 0.00 $0.00 1.00 $300,000.00 0.00 $0.00 100 2601-2634105 MULCHING, BONDED FIBER MATRIX ACRE 2,800.00 7 $19,600.00 1.70 $4,760.00 5.30 $14,840.00 0.00 $0.00 101 2601-2636044 SEEDING AND FERTILIZING (URBAN) ACRE 1,650.00 5 $8,250.00 1.20 $1,980.00 3.80 $6,270.00 0.00 $0.00 102 2601-2638352 SLOPE PROTECTION, WOOD EXCELSIOR MAT SQ 12.00 192 $2,304.00 0.00 $0.00 192.00 $2,304.00 0.00 $0.00 103 2601-2639010 SODDING SQ 65.00 335.6 $21,814.00 81.80 $5,317.00 253.80 $16,497.00 0.00 $0.00 104 2601-2640350 SPECIAL DITCH CONTROL, WOOD EXCELSIOR MAT SQ 30.00 27.4 $822.00 0.00 $0.00 27.40 $822.00 0.00 $0.00 105 2601-2642120 STABILIZING CROP - SEEDING AND FERTILIZING (URBAN) ACRE 300.00 2 $600.00 0.50 $150.00 1.50 $450.00 0.00 $0.00 WATERING FOR SOD, SPECIAL DITCH CONTROL, OR SLOPE 106 2601-2643110 PROTECTION 1000 Gallons 75.00 245.24 $18,393.00 49.08 $3,681.00 196.16 $14,712.00 0.00 $0.00 107 2601-2643300 MOBILIZATION FOR WATERING EA 450.00 13 $5,850.00 5.00 $2,250.00 8.00 $3,600.00 0.00 $0.00 108 2602-0000020 SILT FENCE LF 1.60 1600 $2,560.00 30.00 $48.00 1570.00 $2,512.00 0.00 $0.00 109 2602-0000030 SILT FENCE FOR DITCH CHECKS LF 1.70 930 $1,581.00 810.00 $1,377.00 120.00 $204.00 0.00 $0.00 110 2602-0000071 REMOVAL OF SILT FENCE OR SILT FENCE FOR DITCH CHECKS LF 0.10 1270 $127.00 420.00 $42.00 850.00 $85.00 0.00 $0.00 111 2602-0000101 MAINTENANCE OF SILT FENCE OR SILT FENCE FOR DITCH CHECK LF 0.50 253 $126.50 84.00 $42.00 169.00 $84.50 0.00 $0.00 112 2602-0000150 STABILIZED CONSTRUCTION ENTRANCE, EC-303 LF 63.00 1700 $107,100.00 850.00 $53,550.00 850.00 $53,550.00 0.00 $0.00 113 2602-0000312 PERIMETER AND SLOPE SEDIMENT CONTROL DEVICE, 12 IN. DIA. LF 2.40 11370 $27,288.00 5710.00 $13,704.00 5660.00 $13,584.00 0.00 $0.00 114 2602-0000320 PERIMETER AND SLOPE SEDIMENT CONTROL DEVICE, 20 IN. DIA. LF 5.20 250 $1,300.00 0.00 $0.00 250.00 $1,300.00 0.00 $0.00 REMOVAL OF PERIMETER AND SLOPE OR DITCH CHECK 115 2602-0000351 SEDIMENT CONTROL DEVICE LF 0.20 12150 $2,430.00 5840.00 $1,168.00 6310.00 $1,262.00 0.00 $0.00 116 2602-0000370 DITCH CHECK SEDIMENT CONTROL DEVICE, 20 IN. DIA. LF 5.60 530 $2,968.00 130.00 $728.00 400.00 $2,240.00 0.00 $0.00 117 2602-0000500 OPEN-THROAT CURB INTAKE SEDIMENT FILTER, EC-602 LF 13.00 278 $3,614.00 179.00 $2,327.00 99.00 $1,287.00 0.00 $0.00 MAINTENANCE OF OPEN-THROAT CURB INTAKE SEDIMENT 118 2602-0000510 FILTER EA 11.00 42 $462.00 27.00 $297.00 15.00 $165.00 0.00 $0.00 119 2602-0000520 REMOVAL OF OPEN-THROAT CURB INTAKE SEDIMENT FILTER EA 9.00 42 $378.00 27.00 $243.00 15.00 $135.00 0.00 $0.00 120 2602-0000530 GRATE INTAKE SEDIMENT FILTER BAG, EC-604 EA 135.00 6 $810.00 5.00 $675.00 1.00 $135.00 0.00 $0.00 121 2602-0000540 MAINTENANCE OF GRATE INTAKE SEDIMENT FILTER BAG EA 15.00 6 $90.00 5.00 $75.00 1.00 $15.00 0.00 $0.00 122 2602-0000550 REMOVAL OF GRATE INTAKE SEDIMENT FILTER BAG EA 12.00 6 $72.00 5.00 $60.00 1.00 $12.00 0.00 $0.00 123 2602-0010010 MOBILIZATIONS, EROSION CONTROL EA 600.00 1 $600.00 0.50 $300.00 0.50 $300.00 0.00 $0.00 124 2602-0010020 MOBILIZATIONS, EMERGENCY EROSION CONTROL EA 1,200.00 1 $1,200.00 0.50 $600.00 0.50 $600.00 0.00 $0.00 125 2612-0000520 ROADSIDE SPRAY FOR WEED CONTROL ACRE 160.00 5 $800.00 1.20 $192.00 3.80 $608.00 0.00 $0.00 Sub-Total Divisions $7,198,753.85 $2,458,429.85 $3,868,691.00 $871,633.00 DOT Split of Division 3 Stormwater (0.94) $819,335.02 City Split of Division 3 Stormwater (0.06) $52,297.98 Sub-Total STP-006-7(098)--2C-52 $7,198,753.85 $3,277,764.87 $3,920,988.98 126 2102-0425071 SPECIAL BACKFILL CY 70 80 $5,600.00 80.00 $5,600.00 0.00 $0.00 127 2510-6745850 REMOVAL OF PAVEMENT SY 12 98 $1,176.00 98.00 $1,176.00 0.00 $0.00 128 2511-6745900 REMOVAL OF SIDEWALK SY 14 631 $8,834.00 631.00 $8,834.00 0.00 $0.00 129 2511-7526004 SIDEWALK, P.C. CONCRETE, 4 IN. SY 70 723 $50,610.00 723.00 $50,610.00 0.00 $0.00 130 2511-7528101 DETECTABLE WARNINGS SF 54 100 $5,400.00 100.00 $5,400.00 0.00 $0.00 131 2512-1725356 CURB AND GUTTER, P.C. CONCRETE, 3.5 FT. LF 61 293 $17,873.00 293.00 $17,873.00 0.00 $0.00 132 2514-0000200 REMOVAL OF CURB STA 5730 2.93 $16,788.90 2.93 $16,788.90 0.00 $0.00 133 2515-2475006 DRIVEWAY, P.C. CONCRETE, 6 IN. SY 78 166 $12,948.00 166.00 $12,948.00 0.00 $0.00 134 2515-6745600 REMOVAL OF PAVED DRIVEWAY SY 16 75 $1,200.00 75.00 $1,200.00 0.00 $0.00 135 2526-8285040 CONSTRUCTION SURVEY, LOCATION SURVEY LS 5000 1 $5,000.00 1.00 $5,000.00 0.00 $0.00 2026-4-131_Tiffin

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Attached to agenda item: K-2 Discussion and Consideration to Approve a Professional Service Agreement with the Iowa...

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