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HomeMy WebLinkAboutContract 50006-A2 f'. C-71Y SEEtCRETARY �CEIVED CONTRACT No--50006-A-2' �18 AMENDMENT No.2 NOV �9 Cl�lN S�C�E�A TO CITY SECRETARY CONTRACT WHEREAS, the City of Fort Worth (CITY) and Alan Plummer Associates, Inc. , (ENGINEER) made and entered into City Secretary Contract No. 50006, (the CONTRACT) which was authorized by M&C C-28464 on the 7th day of November, 2017 in the amount of $688,037 .00; and WHEREAS, the CONTRACT was subsequently revised by: Amendment No. 1 in the amount $16,005 . 00 administratively authorized on July 31, 2018; and WHEREAS, the CONTRACT involves engineering services for the following project: North Holly Water Treatment Plant Sedimentation Basin Sludge Removal System Replacement; and WHEREAS, it has become necessary to execute Amendment No. 2 to the CONTRACT to include an increased scope of work and revised fee. NOW THEREFORE, CITY and ENGINEER, acting herein by and through their duly authorized representatives, enter into the following agreement, which amends the CONTRACT: 1 . Article I of the CONTRACT is amended to include the additional engineering services specified in a proposal dated October 12, 2018 a copy of which is attached hereto and incorporated herein. The cost to City for the additional design services to be performed by Engineer total $54,039 . 00. 2 . Article II of the CONTRACT is amended to provide for . an increase in the fee to be paid to Engineer for all work and services performed under the Contract, as amended, so that the total fee paid by the City for all work and services shall be an amount of $758,081.00 . 3 . A11 other provisions of the Contract, which are not expressly amended herein, shall remain in full force .-and-- effect. OFFICIAL kLLUku CITY SECRETARY Page -1- FT. .,N EXECUTED and EFFECTIVE as of the date last written by a signatory, below. APPROVED: ENGINEER City of Fort Worth Alan Pl r A sociates, Inc. Jesus J. Chapa David A. bu ,- P.E. Assistant City Manager Senior Associate DATE: �l�'�¢�'f g DATE: APPROVAL RECOMMENDED: Chris Harder, P.E. Director, Water Department APPROVED AS TO FORM AND LEGALITY: M&C: N/A Contract Compliance Manager: By signing, I acknowledge that I am the person responsible for the monitoring and administration of this contract, including ensuring all performance and reporting requirements. Name of Employee 4 Title: PrqTect Manager Date: Douglas W. ack Senior Assistant City Atter ATTEST: Mary J. WS City Secreta_ ;.'Form 1295 No. N/A M&C No. : N/A M&C Date: N/A CITY SECRETARY Page -2 F.T. W01PI 11 °- ALAN PLUMMER ENVIRONMENTAL ENGINEERSAND SCIENTISTS 0318-058-01 October 12, 2018 Ms. Dena Johnson Project Manager City of Fort Worth 200 Texas Street Fort Worth, Texas 76102-4397 Re: North Holly Water Treatment Plant Sedimentation Basin Sludge Removal System Replacement(City Project No. 02328) Contract Amendment No. 2 Dear Ms. Johnson: The purpose of this letter is to request(1)authorization for$54,039 in Special Services, and (2) a schedule extension to add 60 days for the additional design services plus 30 days for City of Fort Worth(City)design review. The design services and schedule extension address the following new scope items: (1)gravity thickener pump station design, (2)sedimentation basin access walkway design, and (3)TCEQ requirements listed in the September 21, 2018 plan review conditional approval letter. The schedule extension also adds 60 days for advertise, bid, contract execution, and project initiation per your conversation with Christopher Boyd on .October 1, 2018. The following items are attached:(1)Amendment No. 2 scope of services, and (2)revised project schedule. The following table summarizes the engineering services fees: Item Amount Project Schedule Original Contract and $704,042 Notice to Proceed: December 18, 2017 Amendment No. 1 Estimated Duration:Dec. 2018-Dec. 2019 Amendment No.2 Alan Plummer Associates, Inc. $37,924 Gupta&Associates, Inc.* $7,150 Estimated Duration: Dec. 2018-May 2020 JQ Infrastructure* $8,965 $54,039 Total Cost $758,081 *Includes a markup factor of 1.10 If you have any comments, please contact me. Sincerely, ALAN PLyMMER ASSOCIATES, INC. t` f, -X Alan E. Davis, 1326 SOUTH UNIVERSITY DRIVE /AED SUITE 300 Enclosures: Scope of Services FORT WORTH,TEXAS 76107-5737 PHONE:817.806.1700 cc: Dr. Christopher Boyd, P.E., Alan Plummer Associates, Inc. FAX:817,870,2536 F:lprojectst0378\058-0113-0Administration\3-1 CONTRACT_AGREEMENT73-1-1 CONTRACTSVImendment2Wmendment2 02328.docz wwwaNiew.com TOPE Firm N. 13 CONTRACT AMENDMENT NO. 2 CITY OF FORT WORTH NORTH HOLLY WATER TREATMENT PLANT SEDIMENTATION BASIN SLUDGE REMOVAL SYSTEM REPLACMENT SPECIAL SERVICES SCOPE OF SERVICES October 12, 2018 I. Gravity Thickener Pump Station Retrofit: The following services are included for the replacement of the existing gravity thickener pump station pumps, valves, and piping with two new pumps and associated valves and discharge piping: a. Perform hydraulic and process design calculations; b. Develop one pump specification; c. Develop two process mechanical drawings; d. Add a pump station design section to the design report; e. Update the Opinion of Probable Construction Cost to add pump station retrofit costs for new pumps, guiderails, piping, valves and associated structural, electrical, and instrumentation modifications; f. Provide associated structural, electrical, and instrumentation design services. II: Sedimentation Basin Retrofit: The following services are included for the addition of two new walkway sections to connect the proposed clarification mechanism bridges with the existing flocculator mechanism walkway: a. Add two new walkway sections; b. Coordinate sedimentation basin access ladder locations such that basin access is provided from the new walkway sections; c. Update the Opinion of Probable Construction Cost to add the new access walkways and associated structural, electrical, and instrumentation modifications; d. Provide associated structural, electrical, and instrumentation design services. III. Additional Design Review Meeting: Participate in one design review meeting with the City to review the design of the gravity thickener pump station and sedimentation basin walkways. IV. Conditional Approval Letter Requirements:The following services are included to address Items 1, 2 and 3 in the Texas Commission on Environmental Quality (TCEQ) conditional approval letter(dated September 21, 2018, CN 600128862, RN101424687): a. Prepare a pilot study protocol for use by the City in performing the uprating study for the sedimentation basin exception update; b. Prepare a pilot study report and submit the report to the TCEQ for the sedimentation basin exception update; F:\projects\0318\058-01\3-0 Administration\3-1 CONTRACT_AGREEMEN-R3-1-1 CONTRACTS1Amendment 2\Amendment 2_02328.docx Page 2 of 3 c. Coordinate with the TCEQ to address items related to the sedimentation basin exception request; d. Coordinate with the TCEQ to determine if revision of the North Holly Water Treatment Plant disinfection CT study is required. If a CT study update is required, provide the City with information on the sedimentation basin modifications so that the City may update the CT study. 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