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Agenda 03/14/2023 Item #16C2 (Stay in compliance with FDEP requirements and to serve Collier County Water-sewer District customers efficiently)16.C.2 03/14/2023 EXECUTIVE SUMMARY Recommendation to approve a change order in the amount of $16,302.96 and to add one hundred twenty (120) days to Agreement No. 20-7764, "North County Water Reclamation Facility ("NCWRF") Aeration Basins 5 & 6 Diffuser System Replacement," with U.S. Water Services Corporation, and authorize the Chairman to sign the attached change order. (Project Number 70148) OBJECTIVE: To meet demand, stay in compliance with Florida Department of Environmental Protection ("FDEP") requirements, and to serve Collier County Water -Sewer District customers efficiently and effectively with a reliable water reclamation system. CONSIDERATIONS: The proposed scope of work under Project No. 70148, North County Water Reclamation Facility ("NCWRF") Aeration Basins 5 & 6 Diffuser System Replacement), is consistent with the FY2023 CIP Budget approved by the Board on September 22, 2022. On September 8, 2020 (Agenda Item 16.C.2), the Board approved Agreement No. 20-7764, for the NCWRF Aeration Basins 5 & 6 Diffuser System Replacement project (the "project"). The project site is located at 10500 Goodlette Road in north Naples. The scope of the project includes removing and replacing a series of grids of PVC piping, fittings, and diffusers at the bottom of the aeration basins. The diffuser system has sustained damage over the years and has lost significant functionality. This project includes the repair and replacement of the piping, valves, fittings, and diffusers that were known to need repair, at the time of design, so that the treatment process could be restored to be fully compliant with FDEP requirements, enhance its reliability, and perform as intended. The original scope of the project consisted of the replacement of known broken components as observed by the plant operators during the course of maintenance and sampling work. However, some of those components were unobservable due to the basins being full of sewage and were not included in the original project. Once construction commenced, the basins were individually drained, and more components were identified that needed replacement. The agreement contains an allowance for unforeseen conditions of $65,000.00. However, the additional repairs totaled $81,302.96. Therefore, this change order seeks an additional $16,302.96 to fully complete the work. Also, an additional one hundred twenty (120) days are required to complete the work. FISCAL IMPACT: The source of funding is Wastewater User Fees, Fund (414). Construction of this project is not anticipated to have a measurable impact on operations and maintenance costs. LEGAL CONSIDERATIONS: This item is approved as to form and legality, and requires majority vote for Board approval.-SRT GROWTH MANAGEMENT IMPACT: This project meets current Growth Management Plan standards to ensure the adequacy and availability of viable public facilities and to remain in compliance with all regulatory programs. RECOMMENDATION: To approve a change order in the amount of $16,302.96 and to add one hundred twenty (120) days to Agreement No. 20-7764, "North County Water Reclamation Facility ("NCWRF") Aeration Basins 5 & 6 Diffuser System Replacement," with U.S. Water Services Corporation, and authorize the Chairman to sign the attached change order. Prepared by: Peter Schalt, Project Manager III, Sub -Regional Utilities Division ATTACHMENT(S) 1. CO 1 US Water Project 70148 NCWRF Diffuser System Repl ST final (PDF) Packet Pg. 570 16.C.2 03/14/2023 COLLIER COUNTY Board of County Commissioners Item Number: 16.C.2 Doe ID: 24619 Item Summary: Recommendation to approve a change order in the amount of $16,302.96 and to add one hundred twenty (120) days to Agreement No. 20-7764, "North County Water Reclamation Facility ("NCWRF") Aeration Basins 5 & 6 Diffuser System Replacement," with U.S. Water Services Corporation, and authorize the Chairman to sign the attached change order. Meeting Date: 03/14/2023 Prepared by: Title: Project Manager, Senior —Public Utilities Planning and Project Management Name: Peter Schalt 02/07/2023 11:39 AM Submitted by: Title: Director — Public Utilities Planning and Project Management Name: Matthew McLean 02/07/2023 11:39 AM Approved By: Review: Procurement Services Ana Reynoso Level 1 Purchasing Gatekeeper Procurement Services Priscilla Doria Additional Reviewer Procurement Services Sandra Herrera Additional Reviewer Wastewater Robert Von Holle Additional Reviewer Procurement Services Sue Zimmerman Additional Reviewer Public Utilities Planning and Project Management Wayne Karlovich Public Utilities Planning and Project Management Matthew McLean Public Utilities Planning and Project Management Craig Pajer Corporate Compliance and Continuous Improvement Megan Gaillard Public Utilities Department County Attorney's Office Public Utilities Department Office of Management and Budget County Attorney's Office Office of Management and Budget County Manager's Office Board of County Commissioners Drew Cody Level 1 Division Reviewer Scott Teach Level 2 Attorney Review George Yilmaz Level 2 Division Administrator Review Debra Windsor Level 3 OMB Gatekeeper Review Jeffrey A. Klatzkow Level 3 County Attorney's Office Review Susan Usher Additional Reviewer Amy Patterson Level 4 County Manager Review Geoffrey Willig Meeting Pending Completed 02/07/2023 12:37 PM Completed 02/07/2023 3:36 PM Completed 02/07/2023 3:55 PM Completed 02/08/2023 9:08 AM Completed 02/08/2023 10:27 AM Additional Reviewer Completed 02/08/2023 4:21 PM Additional Reviewer Completed 02/13/2023 12:57 PM Additional Reviewer Completed 02/15/2023 8:32 AM Additional Reviewer Completed 02/15/2023 1:56 PM Completed 02/15/2023 2:25 PM Completed 02/16/2023 8:28 AM Completed 02/22/2023 4:00 PM Completed 02/22/2023 4:03 PM Completed 02/22/2023 4:16 PM Completed 03/05/2023 3:41 PM Completed 03/07/2023 9:45 AM 03/14/2023 9:00 AM Packet Pg. 571 16.C.2.a Procurement Services CO 'MW County Change Order Form ® Contract Modification 0 Work Order Modification ❑ Amendment Contract#: 207764 Change t�.,m Purchase Order#: 4500207278 Project#: 70148.10A Contractor/Firm Name: U•S• Water Services Corporation Contract/Project: NCwRF Aeration Basin 5 & 6 Diffuser Syslam Replacement Peter Schalt Sub -Regional Utilities Project Manager Natne: Division Name: Original Contract/Work Order Amount $ 610,915.05 9/8/2020;16C2 10ricqiinai BCC Approval Date; Agenda Item # Current BCC Approvad Amount $ 610,915.0�a .9/8/2020; 16C2 'Last BCC Approval Date; Agenda Item # Current Contract/Work Order Amount � $ � _61_0,915.05 _ N/A SAP Contract Expiration Date (Master) Dollar Amount of this Change $ 16,302.96 2.67% Total Change from Original Amount Revised Contract/Work Order Total $ 627,218.01 2,67% Change from Current E3CC Approved Amount Cumulative Changes $ 16,302.96 2.67"/o Chan a from Current Amount Completion Date, Description of the Task(s) Change, and Rationale for the Change Notice to Proceed 10/19/20 Original 11/13121 Last Approved 3/2k12023 Revised Date TBD Date Completion Date Date (Includes this change) # of Days Added 1 120 Select Tasks ® Add new task(s) © Delete task(&) ❑ Change task(s) ® Other (see below) Provide a response to the following:1.) detailed and specific explanation/rationale of the requested change(s) to the task(s) and / or the additional days added (if requested); 2.) why this change was not included in the original contract; and, 3.) describe the impact if this change is not processed. Attach additional information from the Design Professional and/or Contractor if needed. This project addresses rehabilitation work to the diffuser systems in Aeration Basin Nos. 5 and 6 A through D zones. The first zone was known to need rehab and replacement work to the aeration system. The aeration system in the second zone was not identified to need replacing until after the demolition of the first original zones. The original bid included replacement of diffusers and piping in only the first zone because it was known to be in disrepair. Upon commencing construction, it was found that an additional zone needed replacement and this change order addresses that work, 2. It would have been impossible to anticipate whether the second zones needed replacement due to them being full of sewage at the time of design, bidding, and award. The need to replace the aeration systems in the second zone was determined based on visual observations once the aeration basins were taken out of service, drained, and cleaned. Therefore, a change order is necessary to complete the project. 3. If this change order is not processed, the project would not be able to be completed and would not function to properly achieve compliant treatment capabilities. The contractor is on a Stop Work Notice effective December 21, 2022. There are three (3) days remaining to substantial completion and ninety-three (93) days remaining to final completion. The original Board -approved allowance for the contract is $65,000.00. The new piping and diffusers to be installed to complete this project is proposed by the contractor to cost $81,302.96. We will apply the allowance amount of $65,000.00 and this change order adds the additional funds in the amount of $16,302.96 and 120 days to the contract to complete the project to be utilized as permitted by the FDEP. Prepared by: SCrian—,p Date: �2023.01.3009:56:15-os'W Date: Peter Schalt, PMP, Project Manager III, Sub -Regional Utilities Engineering Acceptance of this Change Order shall constitute a modification to contract / work order identified above and will be subject to all the some terms and conditions as contained in the contract / work order indicated above, as fully as if the same were stated in this acceptance. The adjustment, if any, to the Contract shall constitute a full and final settlement of any and all claims of the Contractor / Vendor / Consultant / Design Professional arising out of or related to the change set forth herein, including claims for impact and delay costs. Revised: 1/14/2021 (Divisions who may require additional signatures may include on separate sheet) PRQCUREidENT USE o"LY Admin RP[ aCCES !g z Packet Pg. 572 16.C.2.a Accepted by: Zi Date:�� Steven Stanton, US Water Services orporation Digitally signed by Dawn B. Barnard W; cn=Dawn B. Barnard, o=Hole Mantes, Approved by: Dawn_ R_ Barnard Inc, au,ernalk= ,wnbernardCEhmeng.corn, Date: Dawn B. Barnard, Project MWa'jW.KoLpLM9raJw, Inc. KarlovichWaY ne Digitally signed byKarlovichWayne Approved by: Date: 2023,01.30 11:26:48-05'00' Date: Wayne Kadovich, P.E., Sub -Regional Supervising Project Manager [Licensed] P• Digitally signed by PajerCraig aierCraig Date: 2023.01.31 17:05:36-05'00' Approved by: Date: Craig Pajer, RE„ Sub -Regional Utilities Director Ga i I la rd Mega n Digitally signed by GaillardMegan Approved by: Date: 2023.02,01 12:20:36-05'00' Date: -Ami�ClM, PUD Finance Director Megan Gaillard, Interim Approved by: Digitally signed by DoriaPriscilla Do ri a P ri sci I I a Date: 2023.02.06 09:21:46-05'00' Date: Sara Schneeberger, Procurement Strategist ATTEST: Crystal K. Kinzel, Clerk of Counts &. Comptroller By: Dated: (SEAL) Approve as to foizn and legality: By - County Attorney BOARD OF COUNTY COMMISSIONERS COLLIER COUNTY, FLORIDA By: Rick LoCastro, Chairman Revised: 111412021 (Divisions who may require additional signatures may include on separate sheet.) r Q PROCUREMENT' USE ONLY Adm€n I licC Rpt ecc es \ Packet Pg. 573 16.C.2.a Change Order/Amendment Summary CO# AMD# Description COST TIME Justification Additive (+} Deductive (} Days Added New Amount 1 NIA Contractor's Proposal to Install Additional Piping & Diffusers in the second Aeration Basin Zones $16.302.96 0 120 510 Could not be determined prior to contract award due to being full of sewage and is necessary to comply with permitting requirements. Revised: 1/14/2021 (Divisions who may require additional signatures may Include on separate sheet) r Q PROCUREMENT USE ONLY Admin Rpk Bcc Es r 1 Packet Pg. 574 16.C.2.a 4939 Cross Bayou Boulevard VMIgen 1 New Port Richey, FL, 34652 Collier County 3393 Tamiami Trail East, Suite 303 Naples Florida 34112 NCWRF Aeration Basin 5 8 6 Dtlfuser System Replacement Contract No. 20.7764 1 Effective Term I 30 Days Estimate Project Number J01269 2029 Date Account # 1/25/2023 J01269 Project Contact Steve Stanton 239-209-6120 Descrintion Aeration Basin 5 & 6 Diffuser System Replacement I Description I Qty , Unit I Cost I Total Is is for. Collier County S, Water Services Corporation Is pleased to provide the following quote to: 'WRF Aeration Basin 5 & 6 Diffuser System Replacement This Includes: Labor and construction materials necessery to complete the construction of a complete aeration system In the second zone, rental 1 L% $ 2,127.96 $ 2,127.96 to services 1 LS. $ 11,500.00 $ 11,500.00 osal of existing diffusers (Bays 6a, 6b, 6c, 6d) 1 LS, $ 2,876.00 $ 2,875.00 act Management 84 Hm. $ 120.00 $ 10,800.00 n 600 Hrs. $ 90.00 $ 54.000.00 will add an additional 120 days to this project i listed represents the specific scope of service stated above. osal as quoted represents, labor, material and project management specific to the Items listed. exception of emergency circumstances, should It became necessary to perform additional ces due to unforeseen circumstances, a change order will be required. order shall be executed by the owner prior to continuation of work, t is expected with In 30 days from receipt of Invoice(s) related to work. term is 30 days from date of proposal Thank You for allowing us to present this proposal. Total ( $ 81,302.961 Phone # I Fax # I Toll work: Packet Pg. 575