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HomeMy WebLinkAbout12. 16-318JUNE 28, 2016 16-318 RESOLUTION (CARRIED 7-0 LOST _______ LAID OVER _______ WITHDRAWN _______) PURPOSE: APPROVE CHANGE ORDER NO. 3 FOR PUBLIC WORKS CONTRACT NO. 13-24 WITH AUGUST WINTER AND SONS, INC. FOR WWTP CONTROL SYSTEM, INFLUENT PUMPING & AERATION SYSTEM BLOWER UPGRADES ($106,393.00) INITIATED BY: DEPARTMENT OF PUBLIC WORKS BE IT RESOLVED by the Common Council of the City of Oshkosh that the following Change Order, a copy of which is attached, is hereby approved: AUGUST WINTER AND SONS, INC. 2323 N. Roemer Road Appleton WI 54911 Net Increase to contract: $106,393.00 PURPOSE: See attached Change Order. BE IT FURTHER RESOLVED that money for this purpose is hereby appropriated from: Acct. No. 551-1910-1799-00000 Sewer Utility - Construction in Progress (0 770, -i ON iNF wniFR MEMORANDUM TO: Honorable Mayor and Members of the Common Council FROM: Stephan M. Brand, Public Works Utility Bureau Managera� I(/� DATE: June 23, 2016 RE: Approve Change Order No. 3 for Public Works Contract No. 13 -24 Wastewater Treatment Plant Control System, Influent Pumping, & Aeration Blowers Upgrades August Winter and Sons, Inc. / $106,393 BACKGROUND Change Order No. 3 for Contract 13 -24 is scheduled for consideration by the Common Council at the June 28, 2016 meeting. The contract was originally awarded to August Winter and Sons in January 2014 to replace aging influent pumping equipment, control systems and aeration system blowers. When replacing and retro fitting equipment in a production facility setting, we occasionally encounter conditions in the field that were unanticipated and require modifications to the plans. We also encounter situations where improvements can be made to add long -term value to the project. The project is substantially complete with a small number of punch list items to be finished to close out the project. ANALYSIS The four major items in this change order include: influent pump seal water strainer to remove any solids in the recycle seal water used for lubricating the pumps' mechanical seals; a new conduit and box for buried fiber optic cable (existing conduit proved to be unusable); influent pump vent modifications to prevent the pumps from air locking during the start-up cycle; and upgrades to the ferric chloride chemical feed control panel. All items related to this change order was reviewed by CH2M HILL Engineers, Inc., our consultant on the project, and were found to be reasonable and within expected costs for the work performed. FISCAL IMPACT The original contract amount was for $4,210,500. Change Order No. 1 decreased the budget by $50,000. Change Order No. 2 increased the budget by $90,275. Change Order No. 3 is for $106,393. The revised contract price with this change order is $4,357,168. This project is included in the 2014 Capital Improvements Program under the Major Equipment (Sewer Utility Fund). RECOMMENDATIONS I recommend approval of Change Order No. 3 to Contact No. 13 -24 in the amount of $106,393 to August Winter and Sons, Inc. Approved: uc�r. Mark . ohloff City Manager SMB /tlt I: \Engineering\2013 CONTRACTS \13 -24 WWIP Ctrl Syst, Influent Pump, & Aeration Blower Upgrade \Correspondence \Memo \13 -24 CO #3 Memo_6- 20- 16.docx dam. CONTRACT MODIFICATION CITY OF OSHKOSH - CONTRACT NO. 13 -24 ❑x CHANGE ORDER ❑ WRITTEN AMENDMENT MODIFICATION NO: 003 TO August Winter & Sons, Inc. PROJECT: Wastewater Treatment Plant Control System, Influent PROJECT NO: 482461 Pumping & Aeration Blowers Upgrade OWNER: City of Oshkosh ENGINEER: CH2MHILL The following .. required): Refer to Items 3a. through 3p. described on attached page 2 with supporting documentation following page 3. Reason for Modification(s): Actions taken to modify design or construction methods to adjust for site conditions. Attachments (List Supporting Documents): Contract Amount or Price Contract Times (Calculate Days) Original $ 4,210,500 Original Duration 760 Days Previous Contract By: Previous Contract Date Modification(s) (see page 3) Modification(s) (Add /Deduct) $40,275 (add) (Add /Deduct) 0 Days This Contract Modification This Contract (Add /Deduct) $106,393 (add) Modification 120 Days Revised Contract Amount $4,357,168 Revised Contract Time 880 Days The Revised Contract Completion Date is: August 15, 2016 Owner (City of Oshkosh) Contractor (August Winter & Sons, Inc) Engineer (CH2M HILL) By: By: By: Date Date Date: Ulc/�2 -1 ab( (o (see page 3) Change Order No. 3 May 10, 2016 City of Oshkosh Contract No. 13 -24 Wastewater Treatment Plant Control System, Influent Pumping & Aeration Blower Upgrade Contractor: August Winter & Sons, Inc. This document shall become a supplement to City of Oshkosh Contract No. 13 -24 and all provisions will apply hereto. TABLE 1 Description of Requested Changes Item COR No. Description Action Amount 3a. 014 AFD- 11 -2 -1 Wiring Credit Deduct ($2,187) 3b. 015 RIO -1A, -61 Wiring and Terminations Add $6,866 3c. 019 RIO -1A, -61 Wiring and Terminations Add $894 3d. - Centrifuge Mounting Brackets Add $1,506 3e. 020 Level Element Mounting Bracket Add $2,621 3f. RF1046 Refeed Battery Charger & Control Wiring Add $7,758 3g. 021 Pump Seal Water Strainer Add $16,625 3h. 022 P- 11 -2 -1 Vent Modification Add $7,885 3i. - Exit Signs Add $1,472 3j. - Flag Pole Lights Modification Add $1,743 3k. 024 Ferric Chloride Panel Add $8,281 31. 026 Ethernet Cable and Conduit Add $4,773 3m. 027 Buried Fiber Optic Cable Add $10,813 3n. 028 Influent Pump Vent Modifications Add $24,046 3o. 029 Miscellaneous Panel Modifications Add $12,430 3p. 033 Fix Uneven Floor Add $867 TOTAL VALUE OF THIS CHANGE ORDER Add $106,393 2 Signed for and in behalf of the City of Oshkosh Mark A. Rohloff, City Manager Pamela R. Ubrig, City Clerk Lynn Lorenson, City Attorney Trena Larson, Director of Finance I hereby certify that the necessary provisions have been made to pay the liability which will accrue under this contract.