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HomeMy WebLinkAbout8C - Lift Station Renovations tf~o CITY COUNCIL AGENDA REPORT DATE: AGENDA #: PREPARED BY: SUBJECT: SEPTEMBER 18, 2000 8C SUE MCDERMOTT, CITY ENGINEER CONSIDER APPROVAL OF CHANGE ORDER NO.2 AND FINAL PAYMENT FOR CITY PROJECT 99-02 LIFT STATION RENOVATIONS. DISCUSSION: HISTORY Project #99-02 is the lift station renovation project that was included in the 1999 Capital Improvement Program. The City has entered into a contract for public improvements with Braun Pump and Controls of New Prague, MN. This renovation program is intended to renew three of thirty-one lift stations. By renovating three lift stations per year, our objective is to maintain the dependability of each to avoid breakdowns which negatively affect our sewer customers. The following items were changed during construction: 1. The City's record drawings showed a 2" force main at Lift Station #13. When the contractor exposed the force main, it was actually a 3" diameter pipe. Extra time was spent to obtain the correct fittings and reconnect the force main. Cost to correct: $675.00. 2. Due to the small diameter wet wells, the transducer, which was specified and installed was giving false readings which caused false lift station alarms. At the time the specifications were prepared, staff was unaware that there was a different type of transducer available for this application. Cost to replace: $481.75. 3. The access covers that were specified for Lift Stations #9 and #13 were too large to be structurally safe and had to be reordered at a cost of $950.00 each. 1626)Qn~le Creek Ave. S.E., Prior Lake, Minnesota 55372-1714 / Ph. (612) 447-4230 / Fax (612) 447-4245 AN EQUAL OPPORTUNITY EMPLOYER T FISCAL IMPACT: AL TERNA TIVES: RECOMMENDED MOTION: braunfinpay The total amount of change order no. 2 is $3,224.56 and includes sales tax and freight charges. A copy of change order no. 2 is attached to this report. Final quantity calculations and administrative requirements have now been completed and the contract can be finaled out. A copy of the final payment voucher is attached to this report. CURRENT CIRCUMSTANCES The contract was awarded on a lump sum basis per lift station on July 19, 1999 in the amount of$117,800.00. The final contract cost is $123,524.56, which includes Change Order Nos. I and 2. Previous payments to date total $106,642.25, resulting in a final payment including Change Order No.2, of $16,882.31. ISSUES There are no outstanding issues on this contract. The contractor's signature on the final payment vouchers (copies attached) indicates his acceptance of final payment and closure of the contract. Approval of the final payment authorizes payment from the trunk reserve fund as contemplated when the projects were approved. The final contract amount of $123,524.56 is approximately 5% more than the original contract amount due to change orders resulting from field adjustments. The alternatives are as follows: 1. Approval of final payment to Braun Pump and Controls in the amount of $16,882.31 for the contract for construction of City Project 99-02 Lift Station Renovations. 2. Table this item for a specific reason. A motion and second approving Change Order No.2 and final payment to Braun Pump and Controls in the amount of $16,882.31 for the contract for construction of city project 99-02 Lift Station Renovations. CHANGE ORDER CITY OF PRIOR LAKE 16200 EAGLE CREEK AVENUE SE PRIOR LAKE, MN 55372 CHANGE ORDER NO.2 TO: Braun Pump & Controls RR 4, Box 474 New Prague, MN 56071 DATE: September 8, 2000 FOR: Project No. 99-02, Lift Station Renovations OWNER: City of Prior Lake You are hereby directed to make the following change to your contract dated July 19, 1999. The change and the work affected thereby is subject to all contract stipulations and covenants. This Change Order will increase the contract sum by: Three-Thousand, Two-Hundred, Twenty-four and 56/100 Dollars ($3,224.56) Add the following: Item Description Unit Quantity Unit Amount - - Price 1. Change from 2" to 3" force main (LS #13) Hour 9 $75.00 $675.00 2. Exchange of XPS transducer (LS #9) LS 1 $481.75 $481.75 3. Change in size of access cover (LS #13) EA 1 $950.00 $950.00 4. Change in size of access cover (LS #9) EA 1 $950.00 $950.00 Sales tax and freight $167.81 Total Additions $ 3,224.56 Amount of Original Contract $ 117,800.00 Change Order No. 1 $ 2,500.00 Change Order No.2 $ 3,224.56 Revised Contract Amount $ 123,524.56 Contract time is not affected by this change. G:\PROJECTSI J 999102LIFTSIC02.DOC CONSTRUCTION PAYMENT VOUCHER Estimate Voucher No. 4 (FINAL) For Period Ending: August 31, 2000 -.- Project NUmber: 99-02 Date: September 8, 2000 Class of Work: Lift Station Renovations For: City of Prior Lake To: Braun Pump & Controls RR4-Box474 New Prague, MN 56071 A. Original Contract Amount $ 117,800.00 B. Total Additions $ 5,724.56 C. Total Deductions $ 0.00 D. Total Funds Encumbered $ 123,524.56 E. Total Value of Work Certified to Date $ 123,524.56 F. Less Retained Percentage 0 % $ 0.00 G. Less Total Previous Payments $ 106,642.25 H. Approved for Payment, This Report $ 16,882.31 I. Total Payments Including This Voucher $ 123,524.56 J. Balance Carried Forward $ 0.00 APPROVALS Pursuant to our field observation, as performed in accordance with our contract, we hereby certify that the materials are satisfactory and the work properly performed in accordance with the plans and specifications and that the total work is 100 % completed as of, August 31 , 2000, I hereby recommend payment of this voucher. - Project Engineer Approval: This is to certify that to the best of my knowledge, information, and belief, the quantities and values of work certified herein is a fair approximate estimate for the period covered by this voucher. Contractor: Signed By: Date: Title: CITY OF PRIOR LAKE Approved for Payment: Voucher Checked By Authorized Representative Date: Date: 60"1.-Sloo, - S02 r-'