|
19611_Engineer_Cost_Opinion_20230301.xlsx; 3-31-2023 Page 1 of 1
<br />Davenport Flood Risk Reduction
<br />City of Davenport, ND
<br />Maple River Water Resource District
<br />11/10/2023
<br />Engineer's Preliminary Opinion of Probable Cost
<br />POTENTIAL FUNDING SOURCES
<br />ITEM UNIT QUANTITY UNIT PRICE TOTAL ND SWC FLOOD SALES TAX LOCAL
<br />Levee
<br />1.Topsoil Stripping CY 29,500 $5.00 $147,500.00 $88,500.00 $44,250.00 $14,750.00
<br />2.Topsoil Spreading CY 20,000 $5.00 $100,000.00 $60,000.00 $30,000.00 $10,000.00
<br />3.Inspection Trench CY 19,500 $5.00 $97,500.00 $58,500.00 $29,250.00 $9,750.00
<br />4.Excavation CY 71,000 $5.00 $355,000.00 $213,000.00 $106,500.00 $35,500.00
<br />5.Embankment CY 68,500 $12.00 $822,000.00 $493,200.00 $246,600.00 $82,200.00
<br />6.Embankment - Import CY 11,000 $18.00 $198,000.00 $118,800.00 $59,400.00 $19,800.00
<br />7.Gatewell Structure EA 1 $150,000.00 $150,000.00 $90,000.00 $45,000.00 $15,000.00
<br />8.Lift Station - 1 LS 1 $500,000.00 $500,000.00 $300,000.00 $150,000.00 $50,000.00
<br />Pavement
<br />9.Remove Pavement All Thickness Asphalt SY 300 $25.00 $7,500.00 $4,500.00 $2,250.00 $750.00
<br />10.Gravel - Stripping and Spreading CY 30 $30.00 $900.00 $540.00 $270.00 $90.00
<br />11.Curb and Gutter - Highback LF 175 $50.00 $8,750.00 $5,250.00 $2,625.00 $875.00
<br />12.Concrete Pavement - 6" Reinforced SY 200 $100.00 $20,000.00 $12,000.00 $6,000.00 $2,000.00
<br />13.Concrete Pavement - 8" Reinforced SY 250 $125.00 $31,250.00 $18,750.00 $9,375.00 $3,125.00
<br />14.Geotextile Fabric SY 300 $3.00 $900.00 $540.00 $270.00 $90.00
<br />15.Sleeper Slab LS 3 $40,000.00 $120,000.00 $72,000.00 $36,000.00 $12,000.00
<br />Highway Crossing
<br />16.Culvert - Remove (All types & sizes)LF 65 $30.00 $1,950.00 $1,170.00 $585.00 $195.00
<br />17.8'x4' RCB LF 132 $1,200.00 $158,400.00 $95,040.00 $47,520.00 $15,840.00
<br />18.8'x4' RCB End Section EA 2 $12,500.00 $25,000.00 $15,000.00 $7,500.00 $2,500.00
<br />19.Riprap - Class IV CY 65 $90.00 $5,850.00 $3,510.00 $1,755.00 $585.00
<br />20.Riprap Filter Blanket SY 135 $4.00 $540.00 $324.00 $162.00 $54.00
<br />21.Asphalt Patch - 7"SY 152 $100.00 $15,200.00 $9,120.00 $4,560.00 $1,520.00
<br />Sanitary Sewer
<br />22.Remove Pipe (All Types and Sizes)LF 90 $30.00 $2,700.00 $1,620.00 $810.00 $270.00
<br />23.Sanitary Sewer - Connect to Existing EA 2 $2,500.00 $5,000.00 $3,000.00 $1,500.00 $500.00
<br />24.Sanitary Sewer Gate Valve & Box - 6"EA 2 $3,500.00 $7,000.00 $4,200.00 $2,100.00 $700.00
<br />25.Sanitary Sewer - 6" PVC DR 18 LF 90 $110.00 $9,900.00 $5,940.00 $2,970.00 $990.00
<br />Storm Sewer
<br />26.Storm Sewer - CSP 24"LF 410 $70.00 $28,700.00 $17,220.00 $8,610.00 $2,870.00
<br />27.Storm Sewer - CSP 66"LF 240 $170.00 $40,800.00 $24,480.00 $12,240.00 $4,080.00
<br />28.Storm Sewer - 24" RCP LF 20 $80.00 $1,600.00 $960.00 $480.00 $160.00
<br />29.Storm Sewer - 30" RCP LF 110 $120.00 $13,200.00 $7,920.00 $3,960.00 $1,320.00
<br />30.Storm Sewer - 36" RCP LF 210 $160.00 $33,600.00 $20,160.00 $10,080.00 $3,360.00
<br />31.Storm Sewer - 51"x31" RCPA LF 60 $500.00 $30,000.00 $18,000.00 $9,000.00 $3,000.00
<br />32.Flared End Section - 24" RCP EA 2 $1,500.00 $3,000.00 $1,800.00 $900.00 $300.00
<br />33.Flared End Section - 30" RCP EA 2 $2,000.00 $4,000.00 $2,400.00 $1,200.00 $400.00
<br />34.Flared End Section - 36" RCP EA 2 $2,500.00 $5,000.00 $3,000.00 $1,500.00 $500.00
<br />35.Flared End Section - 51"x31" RCPA EA 2 $6,000.00 $12,000.00 $7,200.00 $3,600.00 $1,200.00
<br />General Items
<br />36.Mobilization LS 1 $50,000.00 $50,000.00 $30,000.00 $15,000.00 $5,000.00
<br />37.Riprap - Class III CY 150 $100.00 $15,000.00 $9,000.00 $4,500.00 $1,500.00
<br />38.Riprap Filter Blanket SY 300 $5.00 $1,500.00 $900.00 $450.00 $150.00
<br />39.Sedimentation Control Wattle - 9"LF 240 $5.00 $1,200.00 $720.00 $360.00 $120.00
<br />40.Stabilized Construction Entrance EA 3 $2,500.00 $7,500.00 $4,500.00 $2,250.00 $750.00
<br />41.Seeding - Type III AC 30 $1,100.00 $33,000.00 $19,800.00 $9,900.00 $3,300.00
<br />42.Silt Fence - Standard LF 3,200 $3.00 $9,600.00 $5,760.00 $2,880.00 $960.00
<br />43.Storm Water Management LS 1 $10,000.00 $10,000.00 $6,000.00 $3,000.00 $1,000.00
<br />44.Traffic Control LS 1 $25,000.00 $25,000.00 $15,000.00 $7,500.00 $2,500.00
<br />45.Material Testing Invoice Allowance $50,000.00 $25,000.00 $15,000.00 $7,500.00 $2,500.00
<br />Total Construction $3,140,540.00 $1,884,324.00 $942,162.00 $314,054.00
<br />Contingencies (10%)$314,960.00 $188,432.40 $94,895.70 $31,631.90
<br />Feasibility Study $100,000.00 $35,000.00 $48,750.00 $16,250.00
<br />Project Development/Funding $50,000.00 $0.00 $37,500.00 $12,500.00
<br />Engineering - Civil Design $360,000.00 $126,000.00 $175,500.00 $58,500.00
<br />Geotechnical Engineering $75,000.00 $26,250.00 $36,562.50 $12,187.50
<br />Structural Engineering $15,000.00 $5,250.00 $7,312.50 $2,437.50
<br />Electrical Engineering $6,000.00 $2,100.00 $2,925.00 $975.00
<br />Construction Engineering $300,000.00 $180,000.00 $90,000.00 $30,000.00
<br />Land Surveying $70,000.00 $24,500.00 $34,125.00 $11,375.00
<br />CLOMR/LOMR $225,000.00 $78,750.00 $109,687.50 $36,562.50
<br />Right-of-Way Acquisition $350,000.00 $210,000.00 $105,000.00 $35,000.00
<br />Legal & Adm. Fees $100,000.00 $0.00 $75,000.00 $25,000.00
<br />Utility Relocation $50,000.00 $30,000.00 $15,000.00 $5,000.00
<br />Right-of-Way Negotiations $65,000.00 $39,000.00 $19,500.00 $6,500.00
<br />Permitting $20,000.00 $7,000.00 $9,750.00 $3,250.00
<br />Wetlands $50,000.00 $30,000.00 $15,000.00 $5,000.00
<br />Fiscal $50,000.00 $0.00 $37,500.00 $12,500.00
<br />TOTAL PROJECT COST $5,341,500.00 $2,867,000.00 $1,856,500.00 $618,000.00
<br />Max approved $2,118,600.00 $1,425,000.00 $460,351.84
<br />Difference ($748,400.00)($431,500.00)($157,648.16)
|