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Home My WebLink AboutC2019-252 - 5/13/2019 - NA TASK ORDER NO. 24 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 August 16, 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/NUMBER: Water and Wastewater Treatment On-Call Support, E16264 1. PROJECT DESCRIPTION—This project provides the Utility Department with on-call services to assist with any technical,operational, maintenance,diagnostic and design concerns for the City's O.N.Stevens Water Treatment Plant and six wastewater treatment plants. 2. SCOPE OF SERVICES—Oso WRP Aeration Air Piping Rehabilitation for Reaeration Basin 6, more fully described in Exhibit A. 3. COMPENSATION —The total amount not to exceed for Task Order No. 24 only is$26,935.00. This Task Order is approved, and Consultant may proceed. All other terms and conditions of the Agreement remain in full force and effect. CITY OF CORP d ` -ISTI LNV, INC. 4/11 . l aai 5 �3 �% 5/'09 Jeff . Edmonds, P.E. •ate Da I. Leyendecker, P.E. Date 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 WW 2012B Rev Bd 4249-064 550950 E16264-01-4249-EXP $26,935.00 C2019-252 5/13/19 Task Order No. 24 Page 1 of 1 LNV Inc. SCANNED City Project No. E16264 Professional Services Contract City of Corpus Christi Water/Wastewater Treatment On-Call Support Task Authorization No. 24 — Oso WRP Aeration Air Piping Rehabilitation for Reaeration Basin 6 May 8, 2019 EXHIBIT A Page 1 of 5 Mq US Ch LNV . r 78%2 SCOPE OF WORK Project No. E16264 Water and Wastewater Treatment On-Call Support Task Authorization No.24 -Oso WRP Aeration Air Piping Rehabilitation for Reaeration Basin 6 PURPOSE The Oso Water Reclamation Plant(WRP)was originally constructed in 1943 and has a rated capacity of 16.2 MGD.A plant expansion/improvement project in 1978 included the construction of improved aeration basins.Much of the reaeration equipment installed during the expansion project is still in service today at the Oso WRP and has reached the end of its useful service life.The air piping for Reaeration Basin(RAB)6 in particular is showing severe signs of deterioration and is corroding from the inside to the point where there are holes in the air pipe and is at risk of imminent failure. The purpose of this task authorization is to assist the City in the rehabilitation and/or replacement of the aeration air pipes,supports,air drops and diffusers for RAB 6.This task authorization will provide the City with options for repair/replacement of the aeration air pipes, including the preparation of plans and specifications.Additionally,this task authorization will also assist the City by providing construction phase services support for the successful rehabilitation/replacement of the air pipes. The budget for this task authorization is based on a worst-case scenario of replacing the entire air distribution bridge with a new bridge which has a preliminary estimate of probable construction cost of$350,000. SCOPE OF WORK BASIC SERVICES: Task 0001: Design Phase The Engineer will perform the following: 1. Conduct a kick-off meeting and up to two(2)meetings with City staff to provide update on project progress and coordinate the proposed design and construction activities. 2. Conduct up to two(2)site visits to assess the existing condition of the air pipes,identify special concerns and gain an overall understanding of the project site and constraints. 3. Obtain and review all available data pertaining to the project including reports, record drawings and prepare CAD drawings of existing system. 4. Evaluate different replacement/repair alternatives and recommend the most suited course of action. 5. Prepare a letter report that will included descriptions of the evaluated options and anticipated costs. 6. Prepare necessary design calculations,plans and specifications for replacement or repair method 7. Coordinate with vendors and contractors to determine best means of installation. 8. Prepare a construction package for the repair or replacement of the air distribution pipe. Task 0002: Construction Phase The Engineer will perform the following: 1. Review shop drawings and submittals for conformance. 1 EXHIBIT A Page 2 of 5 • LNV 2. Make up to three(3)site visits including a final inspection with City staff to observe general progress and quality of construction. Note: Estimated duration 14 weeks total (2 weeks for submittal, 8 weeks for fabrication, 4 weeks for installation) DELIVERABLES During the Design Phase,the Engineer will prepare a letter report that will include the multiple options for repair/replacement of the air distribution pipe. A FINAL package, which will contain necessary specifications, along with construction plans to direct the installation of the recommended air piping will provided in an electronic copy to the designated City Task Authorization Manager specified under this authorization. SCHEDULE The Engineer's services shall be performed in a timely manner consistent with sound professional practices. 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). The work under this task authorization is anticipated to be complete in accordance with the following schedule. Activity Completion Date Contract Execution-Notice to Proceed(NTP) TBD Task 0001 —Design Phase • Site Visits and Review of Existing Data 2 weeks after NTP • Letter Report 4 weeks after NTP • Finals Plans and Specifications 6 weeks after NTP Task 0002-Construction Phase • Product Submittal by Supplier/Manufacture 8 weeks after NTP • Air Piping and Appurtenances Manufacture 16 weeks after NTP • Installation of Air Piping on Site 20 weeks after NTP FEE The services will be provided on a Time and Materials (T&M) basis as the project is moved towards completion. The budgeted amount for this task authorization is $26,935.00,as shown in ATTACHMENT A. The budget for this task authorization is based on a worst-case scenario of replacing the entire air distribution bridge with a new bridge which has a preliminary cost estimate of probable construction cost of$350,000. The Engineer shall not incur any cost in excess of this not-to-exceed amount without prior written authorization from the City's Task Authorization Manager. 2 EXHIBIT A Page 3 of 5 LNV iv./0,2 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: Pablo Martinez, P.E. C.P.M Project Manager Engineering Department City of Corpus Christi Office: 361-826-1929 Email: PabloMl@cctexas.com APPROVAL The undersigned has reviewed and approved this Task Authorization and authorizes LNV, Inc.to perform the work as presented: Authorized by: (Printed Name) (Date) 3 EXHIBIT A Page 4 of 5 Attachment A Task Authorization No.24 Man-hour and Fee Analysis Principal/VP Project Mgr. Project Engineer EIT II Sr.CADD/GIS Tech CADD Tech Clerical IIIIMIIMIIIIIIIIIIIIIIIN .00 295.00 17 $120.00 $115.00 $ 90.00_ $ 85.00 , ., . . ., 1 Design Phase KO meeting and status update $ 4 $ 820 5 meetings 6 $ 720 $ $ $ 10 $ 1,540.00 - Site visits(2)&review of documents $ - 4 $ 820 $ - 12 $ 1,440 $ - $ - $ - 16 $ 2,260.00 - Letter Report $ - 2 $ 410 4 $ 680 16 $ 1,920 $ - $ - $ - 22 $ 3,010.00 - Structural Department Design Services 2 $ 530 4 $ 820 8 $ 1,360 $ - $ - 10 $ 900 $ - 24 $ 3,610.00 - FINAL Bid Package 1 $ 265 8 $ 1,640 14 $ 2,380 30 $ 3,600 4 $ 460 16 $ 1,440 1 $ 85 $ 25 74 $ 9,895.00 - QA/QC 1 $ 265 $ - 2 $ 340 $ - $ - $ - 3 $ 605.00 ma 2 Construction Phase - Submittals(up to 2) $ - 1 $ 205 2 $ 340 4 $ 480 $ - $ - $ - 7 $ 1,025.00 - Construction Coordination $ - 2 $ 410 4 $ 680 8 $ 960 $ - $ - $ - 14 $ 2,050.00 - Site Visits(2) $ - 2 $ 410 2 $ 340 8 5 960 $ - $ - $ - 12 $ 1,710.00 - Final Inspection $ - 2 5 410 2 $ 340 4 S 480 5 - $ - $ - 8 $ 1,230.00 4 $ 1,060.00 19 $ 3,895.00 34 $ 5,780.00 54 $ 6,480.00 4 $ 460.00 26 $ 2,340.00 1 $ 85.00 $ 25.00 142 5 26,935.00 Im ID D _ (JI go O 71 U1 YO