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Utility Relocation Project 9th to 10th Streets at Central Avenue AcceptanceMasterpiece on the Mississippi TO: The Honorable Mayor and City Council Members FROM: Michael C. Van Milligen, City Manager Dubuque keltd All- AmedaclY 2007 SUBJECT: Utility Relocation Project - 9th to 10th Street: Sanitary Sewer, 20 -Inch Transmission Watermain and Fiber Optic Conduit DATE: September 10, 2010 City Engineer Gus Psihoyos is recommending acceptance of the Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20 -Inch Transmission Watermain and Fiber Optic Conduit, as completed by Top Grade Excavating, Inc., in the final contract amount of $727,373.48, which is a 2.32% increase from the original contract in the amount of $710,860.87. I concur with the recommendation and respectfully request Mayor and City Council approval. MCVM:jh Attachment cc: Barry Lindahl, City Attorney Cindy Steinhauser, Assistant City Manager Gus Psihoyos, City Engineer Midhael C. Van Milligen Masterpiece on the Mississippi TO: Michael C. Van Milligen, City Mana e FROM: Gus Psihoyos, City Engineer SUBJECT: Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20 -Inch Transmission Watermain, and Fiber Optic Conduit DATE: September 9, 2010 INTRODUCTION Dubuque krttd AII- AmedcaCity 1 I 2007 The enclosed resolution authorizes the acceptance of the construction contract for the Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20 -Inch Transmission Watermain, and Fiber Optic Conduit. BACKGROUND The project involved the replacement and relocation of the following utilities between 9th and 10 Streets and to the west side of Central Avenue: 8 -inch sanitary sewer; 20 -inch transmission watermain; city network fiber; and traffic control network fiber. DISCUSSION The Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20 -Inch Transmission Watermain, and Fiber Optic Conduit was completed by Top Grade Excavating, Inc., of Epworth, Iowa, in the final contract amount of $727,373.48, which is a 2.32% increase from the original contract in the amount of $710,860.87. RECOMMENDATION I recommend that the City Council accept the improvements and establish the final contract at $727,373.48. BUDGET IMPACT The project cost summary for the Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20 -Inch Transmission Watermain, and Fiber Optic Conduit is as follows: Award Final Construction Contract $710,860.87 $727,373.48 Water Main Materials* 46,305.40 46,019.50 Contingency 65,713.80 0 Construction Engineering & Inspection 98,570.70 114,188.97 Total Project Cost $921,450.77 $887,581.95 *The large diameter water main materials were purchased by the City directly from the supplier to ensure its availability. The project funding summary is as follows: CIP No. Fund Description Fund Amount 7102261 Sanitary Sewer Construction Funds $275,153.32 7201066 General Storm Sewer Repairs 32,375.08 3001615 Traffic Conduit & Foundations 74,369.46 3001266 Fiber Optic Conduit & Structures 84,590.69 3501608 Street Lighting 48,713.56 7402261 Water Construction Funds* 46,019.50 7402261 Water Construction Funds 326,360.34 Total Project Funding $887,581.95 *The large diameter water main materials were purchased by the City directly from the supplier to ensure its availability. ACTION TO BE TAKEN The City Council is requested to adopt the attached resolution to accept the improvements and to authorize the payment of the contract amount of $727,373.48 to Top Grade Excavating, Inc. for the Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20 -Inch Transmission Watermain, and Fiber Optic Conduit. Prepared by Deron Muehring, Civil Engineer cc: Jenny Larson, Budget Director Bob Green, Water Plant Manager Chris Kohlmann, Information Services Manager John Klostermann, Street & Sewer Maintenance Supervisor Deron Muehring, Civil Engineer Dave Ness, PE RESOLUTION NO. 363 -10 ACCEPTING THE UTILITY RELOCATION PROJECT — 9 T11 TO 10 STREET: SANITARY SEWER, 20 -INCH TRANSMISSION WATERMAIN, AND FIBER OPTIC CONDUIT AND AUTHORIZING THE PAYMENT OF THE CONTRACT AMOUNT TO THE CONTRACTOR Whereas, the Public Improvement Contract for the Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20 -Inch Transmission Watermain, and Fiber Optic Conduit (the Project) has been completed and the City Engineer has examined the work and filed a certificate stating that the Project has been completed according to the terms of the Public Improvement Contract and that the City Engineer recommends that the Project be accepted; and NOW THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF DUBUQUE, IOWA: Section 1. The recommendation of the City Engineer is approved and the Project is hereby accepted. Section 2. The Finance Director is hereby directed to pay to the Contractor from the Sanitary Sewer Construction Funds, General Storm Sewer Repairs, Traffic Conduit & Foundations, Fiber Optic Conduit & Structures, Street Lighting, and Water Construction Funds appropriations for the contract amount of $727,373.48 less any retained percentage provided for therein as provided in Iowa Code chapter 573, and to pay such retainage only in accordance with the provisions of Iowa Code chapter 573. Passed, approved and adopted this 20 day of September, 2010. At - s Jeanne F. Schneider, CMC, City Clerk i ada,a Karla A. Braig, Mayor PJro -Tem CITY ENGINEER'S CERTIFICATE OF FINAL COMPLETION OF THE UTILITY RELOCATION PROJECT — 9 TO 10 STREET: SANITARY SEWER, 20 -INCH TRANSMISSION WATERMAIN, AND FIBER OPTIC CONDUIT The undersigned City Engineer of the City of Dubuque, Iowa, hereby certifies that he has inspected the Utility Relocation Project — 9 to 10 Street: Sanitary Sewer, 20- Inch Transmission Watermain, and Fiber Optic Conduit, that the Project has been performed in compliance with the terms of the Public Improvement Contract, and that the total cost of the completed work is $887,581.95. Dated this day of t1l' , 2010. Filed in the office of the City Clerk on the /? y City En • ineer anne F. Schneider, CMC, City Clerk Masterpiece on the Mississippi PROJECT NAME: Utility Relocation Project 9th to 10th Street; Sanitary Sewer, 20" Transmission Water Main, and Fiber Optic Conduit CONTRACTOR: Top Grade Excavating BID ITEM DESCRIPTION MISCELLANEOUS 1 Mobilization 2 Traffic and Safety Control Phase I - Inc. Daily Inspection 3 Traffic and Safety Control Phase II - Inc. Daily Inspection 4 Pavement Markings EROSION AND SEDIMENTATION CONTROL 5 12" Filter Sock at Inlets 6 Pavement Surface Clean Up During Construction City of Dubuque - Engineering Division Project Close Out UNIT LS LS LS LS PLAN QUANTITY CONTRACT UNIT COST DATE: 2- Aug -10 CONTRACT AMOUNT: $ 710,860.87 QUANTITY TO DATE 1.00 $ 34,700.00 1.00 $ 1.00 $ 15,025.00 1.00 $ 1.00 $ 15,025.00 1.00 $ 1.00 $ 1,200.00 1.00 $ Sub Total $ AMOUNT EARNED TO DATE 34,700.00 15,025.00 15,025.00 1,200.00 65,950.00 COMP. 100.00% 100.00% 100.00% 100.00% EA 15.00 $ 70.00 5.00 $ 350.00 33.33% EA 8.00 $ 200.00 4.00 $ 800.00 50.00% Sub Total $ 1,150.00 DEMOLITION 7 Traffic Sign, Remove, Salvage & Replace EA 6.00 $ 150.00 5.00 $ 750.00 83.33% 8 Way Finding Sign, Remove, Salvage & Replace EA 2.00 $ 300.00 2.00 $ 600.00 100.00% 9 Remove Existing Street Light & Base, or Ped. Pole and Base EA 6.00 $ 750.00 6.00 $ 4,500.00 100.00% 10 Full Depth Pavement Sawing LF 970.00 $ 2.25 1349.30 $ 3,035.93 139.10% 11 Remove Existing PCC Curb & Gutter LF 300.00 $ 1.00 277.00 $ 277.00 92.33% 12 Remove Existing PCC Pavement (9 ") SY 725.00 $ 4.97 972.44 $ 4,833.03 134.13% 13 Remove Existing ACC Pavement (3.5") SY 1150.00 $ 2.50 915.17 $ 2,287.93 79.58% 14 Remove and Salvage Brick Pavers SF 6255.00 $ 0.85 6150.00 $ 5,227.50 98.32% 15 Remove Existing Composit Pavement (3" ACC over 7" PCC) SY 870.00 $ 5.50 1040.95 $ 5,725.23 119.65% 16 Remove Existing Drive Apron SY 90.00 $ 2.50 100.00 $ 250.00 111.11% 17 Remove Existing Sidewalk SY 825.00 $ 1.50 874.29 $ 1,311.44 105.97% 18 Remove Existing Storm Intake EA 4.00 $ 250.00 7.00 $ 1,750.00 175.00% 19 Remove Existing Storm Sewer Pipe LF 60.00 $ 2.50 89.50 $ 223.75 149.17% 20 Remove Existing Sanitary Sewer Manhole EA 3.00 $ 350.00 3.00 $ 1,050.00 100.00% 21 Abandon Existing Sanitary Sewer Pipe (8 ") CY 4.00 $ 95.00 3.00 $ 285.00 75.00% 22 Remove Existing Water Main Pipe (20 ") LF 310.00 $ 11.61 310.00 $ 3,599.10 Sub Total $ 35,705.89 EXCAVATION & STONE 23 Trench Stabilization Stone, Inc. Over Excavation Ton 200.00 $ 6.50 $ 24 Backfill, Limestone Ton 5100.00 $ 2.50 949.18 $ 2,372.95 18.61% 25 3" Crushed Stone Base Ton 1500.00 $ 14.17 1903.22 $ 26,968.63 126.88% 26 Modified Subbase Ton 500.00 $ 14.17 555.89 $ 7,876.96 111.18% 27 Graded Stone Base Ton 60.00 $ 14.17 248.37 $ 3,519.40 413.95% Sub Total $ 40,737.94 STORM SEWER SEWER 28 Storm Sewer Intake - 101B Ea 4.00 $ 2,180.00 7.00 $ 15,260.00 175.00% 29 Storm Sewer Pipe - 12" DIP LF 95.00 $ 41.68 103.41 $ 4,310.13 108.85% 30 Storm Sewer Pipe - 12" DIP Stub with temp cap EA 1.00 $ 432.00 1.00 $ 432.00 100.00% 31 Connect New DIP Pipe to Existing 12" Storm Sewer EA 4.00 $ 495.00 4.00 $ 1,980.00 100.00% Sub Total $ 21,982.13 SANITARY SEWER 32 Bypass Pumping LS 1.00 $ 675.00 1.00 $ 675.00 100.00% 33 Connect to Existing 8" Sanitary Sewer EA 4.00 $ 845.00 3.00 $ 2,535.00 75.00% 34 Conned to Existing 10" Sanitary Sewer EA 1.00 $ 855.00 2.00 $ 1,710.00 200.00% 35 48" Diameter Manhole Base, Inc Bedding EA 4.00 $ 1,275.00 3.00 $ 3,825.00 75.00% 36 48" Diameter Manhole Sidewall VF 53.00 $ 125.00 34.80 $ 4,350.00 65.66% 37 Construct Outside Drop (8) LS 1.00 $ 1,183.00 1.00 $ 1,183.00 100.00% 38 Manhole Frame & Cover LS 4.00 $ 290.00 3.00 $ 870.00 75.00% 39 8" DIP Inc. Bedding and Wrap class 51 LF 492.00 $ 117.26 449.00 $ 52,649.74 91.26% 40 10" DIP Inc. Bedding and Wrap class 51 LF 120.00 $ 121.16 120.00 $ 14,539.20 100.00% 41 4" DIP Inc. Bedding and Wrap (Lateral for Future Ramp) LF 30.00 $ 81.09 20.00 $ 1,621.80 66.67% 42 6" DIP Inc. Bedding and Wrap (Lateral for Fire Station) LF 153.00 $ 76.13 152.00 $ 11,571.76 99.35% 43 4" Clean -out on Run w/ frame and cover (CI) EA 1.00 $ 1,025.00 1.00 $ 1,025.00 100.00% 44 6" Terminal Clean -out w/ frame and cover (CI) EA 1.00 $ 1,025.00 1.00 $ 1,025.00 100.00% 45 Sewer Service Connections w/ fittings and coupling or cap EA 2.00 $ 200.00 2.00 $ 400.00 100.00% Sub Total $ 97,980.50 WATER MAIN' 46 Boring Setup(Under Central Ave.) EA 1.00 $ 2,100.00 1.00 $ 2,100.00 100.00% 47 20" Bored Steel Casing(0.312" Wall) LF 45.00 $ 125.00 45.00 $ 5,625.00 100.00% 48 Casing Spacers EA 6.00 $ 145.00 6.00 $ 870.00 100.00% 49 Ductile Iron Pipe(20 ") class 51 (20" DIP fumished by City) LF 730.00 $ 41.75 594.00 $ 24,799.50 81.37% 50 Ductile Iron Pipe(12') class 52 LF 75.00 $ 63.85 72.00 $ 4,597.20 96.00% 51 Ductile Iron Pipe(6 ") class 52 LF 70.00 $ 51.60 85.50 $ 4,411.80 122.14% 52 Ductile Iron Pipe(8 ") class 52 LF 60.00 $ 55.20 54.50 $ 3,008.40 90.83% 53 Ductile Iron Pipe(4 ") class 52 LF 115.00 $ 52.70 115.50 $ 6,086.85 100.43% 54 Valve(20 ") w /Box & Cover (valves furnished by City) EA 7.00 $ 763.00 7.00 $ 5,341.00 100.00% 55 Valve(12 ") w /Box & Cover EA 1.00 $ 1,638.00 1.00 $ 1,638.00 100.00% 56 Valve(8 ") w /Box & Cover EA 3.00 $ 899.67 3.00 $ 2,699.01 100.00% 57 Valve(6 ") w /Box & Cover EA 6.00 $ 638.00 5.00 $ 3,190.00 83.33% 58 Valve(4 ") w /Box & Cover EA 1.00 $ 633.00 1.00 $ 633.00 100.00% 59 Hydrant(6 ") EA 3.00 $ 2,036.00 3.00 $ 6,108.00 100.00% 60 6" DIP Hydrant Lead LF 35.00 $ 40.90 33.00 $ 1,349.70 94.29% 61 Fittings LBS 5900.00 $ 3.30 5778.00 $ 19,067.40 97.93% 62 Connect To Existing 4 ", 6" and 8" Water Main EA 6.00 $ 410.00 5.00 $ 2,050.00 83.33% 63 20" Connection w/ Standard Coupling EA 1.00 $ 1,900.00 1.00 $ 1,900.00 100.00% 64 20" Connection w/ Transition Coupling EA 2.00 $ 1,900.00 2.00 $ 3,800.00 100.00% 65 20" Mega Lug Retainer Gland or Field Lok MJ EA 37.00 $ 235.00 39.00 $ 9,165.00 105.41% 66 12" Mega Lug Retainer Gland or Field Lok MJ EA 7.00 $ 89.00 6.00 $ 534.00 85.71 67 8" Mega Lug Retainer Gland or Field Lok MJ EA 14.00 $ 50.00 16.00 $ 800.00 114.29% 68 6" Mega Lug Retainer Gland or Field Lok MJ EA 25.00 $ 40.00 16.00 $ 640.00 64.00% 69 4" Mega Lug Retainer Gland or Field Lok MJ EA 8.00 $ 35.00 5.00 $ 175.00 62.50% 70 20" Field Lok 350 Gasket or Sure Stop 350 Gasket EA 40.00 $ 395.00 24.00 $ 9,480.00 60.00% 71 12" Field Lok 350 Gasket or Sure Stop 350 Gasket EA 3.00 $ 130.00 2.00 $ 260.00 66.67% 72 8" Field Lok 350 Gasket or Sure Stop 350 Gasket EA 3.00 $ 82.00 $ - 73 6" Field Lok 350 Gasket or Sure Stop 350 Gasket EA 2.00 $ 65.00 2.00 $ 130.00 100.00% 74 Temporary Flushing Assembly LS 1.00 $ 1,500.00 1.00 $ 1,500.00 100.00% 75 Copper Tube (2 ") Type K LF 12.00 $ 23.50 12.00 $ 282.00 100.00% 76 Parking Ramp Water Service LS 1.00 $ 2,100.00 1.00 $ 2,100.00 100.00% Sub Total $ 124,340.86 PAVEMENT 77 PC Concrete Pavement, (9 ") w/ Int Curb, Class "C" Doweled SY 665.00 $ 57.00 1052.49 $ 59,991.93 158.27% 78 PC Concrete Pavement, (8 ") , Class "C" Doweled SY 800.00 $ 54.00 684.20 $ 36,946.80 85.53% 79 PC Concrete Curb & Gutter (30 ") LF 550.00 $ 22.00 620.00 $ 13,640.00 112.73% 80 HMA 3000k Surface and Binder Course, %" (PG 64-28) Ton 575.00 $ 68.50 543.54 $ 37,232.49 94.53% 81 Fixture Adjustment EA 19.00 $ 200.00 17.00 $ 3,400.00 89.47% 82 PC Concrete Driveway, 6 ", Construct SF 585.00 $ 5.50 743.15 $ 4,087.33 127.03% 83 PC Concrete Sidewalk, 4 ", Construct SF 2025.00 $ 4.50 3052.48 $ 13,736.16 150.74% 84 PC Concrete Sidewalk, 6 ", Construct SF 80.00 $ 6.00 $ - 85 PC Concrete Access Ramp, Detectable EA 2.00 $ 350.00 7.00 $ 2,450.00 350.00% Sub Total $ 171,484.71 FIBER OPTIC CONDUIT & STRUCTURES 86 Fiber Vault, Square EA 4.00 $ 2,464.75 4.00 $ 9,859.00 100.00% 87 Fiber Vault, 48" Round EA 1.00 $ 2,736.75 1.00 $ 2,736.75 100.00% 88 24" Handhole x 3' Deep with Quad Plex EA 1.00 $ 1,129.50 $ - 89 Connect to Existing Fiber Vault EA 9.00 $ 172.00 12.00 $ 2,064.00 133.33% 90 Conduit, Rigid PVC, 4" With 4 - 1" Conduits LF 1617.00 $ 12.65 1616.80 $ 20,452.52 99.99% 91 Trenching for Conduit LF 1100.00 $ 7.50 1306.00 $ 9,795.00 118.73% 92 Horizontal Boring for Conduit LF 987.00 $ 22.00 961.00 $ 21,142.00 97.37% Sub Total $ 66,049.27 STREET LIGHTS 93 Install street light pole foundation (8' -8 ") EA 1.00 $ 2,398.00 1.00 $ 2,398.00 100.00% 94 Install street light pole foundation (6' -8 ") EA 5.00 $ 1,965.00 5.00 $ 9,825.00 100.00% 95 Install 30' street light pole EA 5.00 $ 2,538.00 6.00 $ 15,228.00 120.00% 96 Connect to Existing Structure (IEHH) EA 10.00 $ 172.00 12.00 $ 2,064.00 120.00% 97 Conduit, Rigid PVC, 2" LF 438.00 $ 8.20 498.65 $ 4,088.93 113.85% Sub Total $ 33,603.93 TRAFFIC CONDUIT & FOUNDATIONS 98 Traffic Signal Control Cabinet Foundation EA 3.00 $ 2,125.00 3.00 $ 6,375.00 100.00% 99 Precast Rectangular Handhole w/ R6689 Lid Stating "TRAFFIC SIGNALS" EA 3.00 $ 1,650.00 3.00 $ 4,950.00 100.00% 100 24" Round Handhole EA 16.00 $ 1,300.00 16.00 $ 20,800.00 100.00% 101 Countdown Pedestrian Signal Head, pole mount (inc. Install) EA 2.00 $ 1,958.50 2.00 $ 3,917.00 100.00% 102 Conduit, Rigid PVC, 2" LF 2334.00 $ 4.85 2108.60 $ 10,226.71 90.34% 103 Conduit, Rigid PVC, 4" LF 556.00 $ 9.45 643.10 $ 6,077.30 115.67% 104 Tesco Foundation EA 1.00 $ 1,673.00 1.00 $ 1,673.00 100.00% 105 Fiber Hub Foundation EA 1.00 $ 2,073.00 1.00 $ 2,073.00 100.00% 106 Install Street Light Foundation (12' -0 ") EA 1.00 $ 3,403.50 1.00 $ 3,403.50 100.00% Sub Total $ 59,495.51 TOTAL AMOUNT EARNED TO DATE: $ 718,480.73 1 101.07% CHANGE ORDER - EXTRA WORK ITEMS CHANGE PREVIOUS CURRENT TOTAL ORDER TOTAL PAY PERIOD ADJUSTMENT AMOUNT ADJUSTMENT ADJUSTMENT TO DATE 1 Change Order One - Additional Water Main on Central $ 4,586.00 $ 4,586.00 $ 4,586.00 2 Change Order Two - Increase Street Light Wattage from 250w to 400w $ 238.00 $ 238.00 $ 238.00 3 Change Order Three - Remove & Replace Storm Manhole and Associated Piping $ 2,899.00 $ 2,899.00 $ 2,899.00 4 Change Order Four- Connect Roof Drain to Storm Sewer at Fire H.Q. $ 1,140.00 $ 1,140.00 $ 1,140.00 5 Change Order Flve - Remove and Reinstall Existing Mastarm $ 360.00 $ 360.00 $ 360.00 6 Change Order Six - Install City Supplied Fiber vault and exploratory Excavation $ 1,878.75 $ 1,878.75 $ 1,878.75 7 Change Order Seven - Deduct for Traffic Conduit $ (1,768.35) $ (1,768.35) $ (1,768.35) 8 Change Order Eight - Deduct for 64-22 ACC - 88.13 Ton (di $5.00 $ (440.65) $ (440.65) $ (440.65) PAYMENTS PREVIOUSLY APPROVED: TOTAL PAYMENTS FORWARDED: CIP $ 727,373.48 Project Engineering Cost Summary Staff Consultant Total Eng. Cost Costs Cost CIP Total Amount Earned to Date - Change Order: Total Amount Earned to Date: Project Construction Cost Summary 1 $ 8,892.75 1 $ 727,373.48 CIP Earned to Date Less Retainage Amount to Date CIP Funding 7102261 $ 239,092.73 $ 11,954.64 $ 227,138.10 $ 286,993.41 1 $ 352,957.67 7 7201066 $ 27,994.88 $ 1,399.74 $ 26,595.13 3 18,886 58 2 $ 336,903.34 8 7402261 $ 272,743.84 $ 13,637.19 $ 259,106.65 $ 416,688 09 3 $ 1,143.80 9 3001615 $ 67,315.46 $ 3,365.77 $ 63,949.69 $ 72,309.25 4 $ 36,368.67 10 3001266 $ 77,156.33 $ 3,857.82 $ 73,298.51 $ 80,404.50 5 11 3501608 $ 43,070.24 $ 2,153.51 $ 40,916.72 $ 46,168.94 6 12 $ - $ $ Total $ 727,373.48 $ 36,368.67 $ 691,004.80 $ 921,450.77 Project Cost / Funding Summary Construction Total Eng. Total Project CIP Costs Cost Cost Funding 7102261 $ 9,041.34 $ 27,019.25 $ 36,060.59 7102261 $ 239,092.73 $ 36,060.59 $ 275,153.32 6 286,993.41 7201066 $ 1,030.20 $ 3,350.00 $ 4,380.20 7201066 $ 27,994.88 $ 4,380.20 $ 32,375.08 $ 18,886.58 7402261 $ 53,616.50 $ 53,616.50 7402261 $ 272,743.84 $ 53,616.50 $ 326,360.34 $ 416 688.09 3001615 $ 2,200.00 $ 4,854.00 $ 7,054.00 *7402261 $ 46,019.50 $ 46,019.50 3001266 $ 2,580.36 $ 4,854.00 $ 7,434.36 3001615 $ 67,315.46 $ 7,054.00 $ 74,369.46 $ 72,309.25 3501608 $ 4,466.88 $ 1,176.44 $ 5,643.32 3001266 $ 77,156.33 $ 7,434.36 $ 84,590.69 $ 30,404.50 Total: $ 19,318.78 $ 94,870.19 $ 114,188.97 3501608 $ 43,070.24 $ 5,643.32 $ 48,713.56 $ 46,168.94 Total: $ 773,392.98 $ 114,188.97 $ 887,681.95 $ 921.450.77 I hereby certify that the above statement shows in detail the correct nt of all work required to complete the above improvement. APPROVED: The undersigned, Total Due Contractor: Total Engineering: Direct Material Purchases: Total Project Cost: CERTIFICATE OF THE CITY MANAGER: APPROVED: Topgrade Excavating igen, City ue, Iowa Michael Van City of�. it Gus Psihoyos, City Engineer City of Dubuque, Iowa CERTIFICATE OF THE CONTRACTOR: $ 727,373.48 $ 114,188.97 $ 46,019.50 I $ 887,581.95 nager contractor for the above improvement, does hereby accept the above 'Total Due Contractor ", as f ettement for all claims for said improvement. CONTRACTOR: BY: TITLE: DATE: