The URL can be used to link to this page

Home My WebLink AboutC2018-136 - 2/23/2018 - NA TASK ORDER NO. 4 This Task Order pertains to a Master Services Agreement for Professional Services by and between City of Corpus Christi,Texas(City)and LNV, Inc.(Consultant)dated September 13,2016(Agreement). Consultant shall perform services on the project described below as provided in this Task Order and in the Agreement. This Task Order shall not be binding until it has been properly signed by both parties. Upon execution, this Task Order shall supplement the Agreement as it pertains to the project described below. PROJECT NAME: Water System Process Control & Reliability, E13031 1. PROJECT DESCRIPTION - This project provides services for O.N. Stevens Water Treatment Plant Analysis and Optimization, Water Distribution System Analysis and Optimization, Information System Assessment, and SCADA Assessment. 2. SCOPE OF SERVICES-Staples Ground Storage Tank Fill Valve Assessment as more fully described in Exhibit A. 3. COMPENSATION - The total amount not to exceed for Task Order No. 4 only is $6,365.00. This Task Order is approved and Consultant may proceed. All other terms and conditions of the Agreement remain in full force and effect. 7 CITY OF CORPUS C• -I- I LNV, INC. 74 LAI/ Z 1`,I e Jeff H. E.monds P.E. oat: _Apr arr . Leyendecker, P.E ate Director of Engineering Services President 801 Navigation, Suite 300 Corpus Christi, TX 78408 (361) 883-1984 Office loganb@Invinc.com Fund Name Accounting Unit Account No. Activity No. Amount Water 2013 RVBD 4093-063 550950 E13031-01-4093-EXP $6,365.00 2018-136 2/23/18 LNV Inc. • INDEXED City Project No. E13031 Professional Services Contract City of Corpus Christi Water System Process Control Reliability Task Authorization No. 4 - Staples GST Fill Valve Assessment February 22, 2018 LNAIF Exhibit A Page 1 of 5 OPPUS�N 4 i LNV 0":71;,1 SCOPE OF WORK Project No. E13031 Water System Process Control Reliability Task Authorization No. 4—Staples GST Fill Valve Assessment PURPOSE The Staples Ground Storage Tank(GST)has a 7.5 MG capacity and is located on the corner of FM 2444 and CR 41 in Corpus Christi. Texas. The GST is fed by the 48 inch Southside transmission main that is controlled by a modulating inlet butterfly valve. The valve along with the gearbox and actuator were replaced less than two (2) years ago at significant capital cost to the City. At present, Water System Operators at Staples GST have reported a leak that allows flow past the valve even when it is closed.This causes operational issues since it is not possible to isolate the GST due to the leak. The purpose of this task authorization is to provide assistance to the City staff by performing an assessment of the existing inlet butterfly valve at Staples GST to determine the causes for frequent failure and enable the City to find an economical and long-term solution to the problem. Under this task authorization. a technical memorandum will be issued to the City detailing the reasons for failure and identifying the corresponding remedial measures along with associated costs and anticipated schedule of work. Based on the findings of the assessment,the City will make decisions regarding the future course of action and a separate task authorization may be issued for the implementation of selected remedial measure. SCOPE OF WORK ADDITIONAL SERVICES: TASK 0200—Water Distribution System Analysis and Optimization The Engineer will perform the following: 1. Conduct one(1)site visit and gather field data on the existing butterfly valve located on a 48 inch transmission main at Staples GST. 2. Conduct up to two(2)meeting with the City Staff and Water System Operators to get their input on the existing condition of the valve.typical operations and operational difficulties. 3. Review original inlet piping and valve design and assess its suitability for intended application.The City is to provide necessary plans and pertinent additional data.if requested by the Engineer. 4. Prepare a technical memorandum that will provide the following information: • Existing condition of inlet butterfly valve • Suitability of existing piping and valve design for intended use • On-Site photographs • Reasons for frequent failure • Remedial measures • Associated cost Exhibit A Page 2 of 5 vUs c Op 4y L t� LNV0 %r • Anticipated schedule for improvement DELIVERABLES The Engineer will submit a DRAFT Technical Memorandum to the City for review and comment. Upon receipt of comments,the Engineer will incorporate the necessary changes and submit one(I)hard copy and one(I)electronic copy of the FINAL Technical Memorandum. SCHEDULE The Engineer's services shall be performed in a timely manner consistent with sound professional practices. The Engineer will complete the work according to the following schedule: Activity Coinpletion Date Contract Execution-Notice to Proceed(NTP) TBD TASK 0200— Water Distribution System Analysis & Optimization • DRAFT Technical Memorandum 2 weeks after NTI' • FINAL Technical Memorandum 4 weeks after NTP The time limits set forth in the schedule shall include allowances for reasonable and expected review time by the City and approval by authorities having jurisdiction over this project. and shall not be allowed as cause for delay or adjustments to the schedule. Delays caused by review times by the City exceeding those anticipated by the Engineer's schedule are cause for adjustments in the schedule. Any adjustments made to the agreed upon schedule shall be made in writing and accepted by both parties. The Engineer shall begin work immediately upon receipt of the executed Task Authorization and/or Notice to Proceed(written or emailed). FEE The services will be provided on a Time and Materials (T&M) basis as the project is moved towards completion.The anticipated amount for this task authorization is$6,365.00.as shown in ATTACHMENT A. No work shall be performed in excess of this amount. If additional work is required, the Engineer will obtain authorization from the City prior to performing additional work. Exhibit A Page 3 of 5 • . opus CN�i LNV • TASK AUTHORIZATION MANAGER The Task Authorization Manager will be the primary contact person during the performance of this work. All correspondence or inquiries should be addressed to the Task Authorization Manager. This work task will be coordinated by: Dan Grimsbo, P.E. A.I.C.P. Executive Director of Utilities Department City of Corpus Christi Office: 361-826-1874 Fax: 361-826-1889 Email: DanG @cctcxas.com APPROVAL The undersigned has reviewed and approved this Task Authorization and recommends LNV, Inc. to perform the work as presented: Rec• mended by: Ail P11/-4/fi l /1 40/'j'/,S/d(Printed Name) 2 3 /- �� (Date) Exhibit A Page 4 of 5 Attachment A Task Authorization No. 4 Man-hour and Fee Analysis Task LNV Inc. Description Principal/VP Project Mgr. Project Engineer EIT II TOTALS $ 265.00 $ 205.00 $ 170.00 $ 120.00 Total Hrs. Total Fee Hrs. Sub -total Hrs. Sub -total Hrs. Sub -total Hrs. Subtotal IP 0200 Water Distribution System Analysis and Optimization 5 1 $ 205.00 8 $ 1,360 40 $ 4,800.00 49 $ 6,365.00 Sub -totals $ - 1 $ 205.00 ' 8 $ 1,360 40 $ 4,800.00 49 $ 6,365.00 TOTAL FEE = $ 6,365.00 Exhibit A Page 5 of 5