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HomeMy WebLinkAbout24 - Task Orders Master - Tetra Tech - 24-25 Operations, Maintenance, and Monitoring Landfill Tetra Tech 895 Technology Boulevard, Suite 101; Bozeman, MT 59718 Tel 406.582.8780 Fax 406.582.8790 tetratech.com TASK ORDER 2024 - 2025 OPERATIONS, MAINTENANCE, AND MONITORING BOZEMAN LANDFILL August 7, 2024 CLIENT: CONSULTANT: The City of Bozeman Tetra Tech, Inc. P.O. Box 1230 895 Technology Blvd, Ste 101 Bozeman, Montana 59711-1230 Bozeman, MT 59718 Attention: Mr. Cody Flammond Attention: Mr. Shane Matolyak INTRODUCTION The purpose of this task order is to conduct tasks related to operations and maintenance of the Landfill Gas (LFG) handling system, Soil Vapor Extraction (SVE) system, and Air Injection (AI) system, and environmental monitoring of groundwater, methane, and leachate/condensate at the Bozeman Landfill (a.k.a. Story Mill Landfill). These activities will be conducted between July 1, 2024 and June 30, 2025 and are directed at meeting Montana Department of Environmental Quality (DEQ) Solid Waste rules and the requirements of DEQ’s June 6, 2014 letter requiring the City of Bozeman (COB) to conduct a Corrective Measures Assessment and implement remedial measures. This task order also covers expansion of the SVE system to include seven new SVE wells in the southeast portion of the landfill. SCOPE OF SERVICES This task order includes the following work activities: • Task 100 – LFG/SVE/AI Systems Operations and Maintenance • Task 200 – Summer Groundwater Monitoring • Task 300 – Winter Groundwater Monitoring • Task 400 – Summer and Winter Groundwater Reporting • Task 500 – SVE System Expansion • Task 600 – Project Management and Administrative Support The scope of work for these tasks is outlined below. Docusign Envelope ID: F2FB3482-0B29-4ADD-BA39-E5451000F147 Task Order – 2024 to 2025 Groundwater and Methane Monitoring and Assessment Bozeman Landfill, Bozeman, Montana July 30, 2024 Page 2 of 4 TETRA TECH Task 100: LFG/SVE/AI Systems Operations and Maintenance This task is to provide operations, maintenance, and monitoring of the LFG/SVE/AI systems. This work includes regular monitoring of the system’s Supervisory Control and Data Acquisition (SCADA) system to ensure proper functioning and to identify and predict potential issues requiring preventative maintenance. Periodic site visits will also occur to replace consumable items (i.e., air filters, bearing grease), adjust ventilation and heaters in response to changing weather conditions, observe well heads to identify and replace degraded components, and other similar operations and minor maintenance activities. Qualified subcontractors will complete major routine and unplanned maintenance as needed. Other monitoring included in this task consists of quarterly measurements of gas concentrations and flow rates at individual LFG and SVE wells, AI well flow rates, and perimeter methane monitoring with subsequent reporting to COB and DEQ. Semi-annual monitoring and reporting of the leachate/condensate discharge to the municipal wastewater treatment facility will also be completed. Task 200: Summer (June and August) Compliance Groundwater Monitoring This task is to complete groundwater monitoring in accordance with the DEQ-approved Groundwater Sampling and Analysis Plan (SAP), Bozeman Landfill, Gallatin County, Montana prepared by Tetra Tech on July 14, 2023. This plan specifies monitoring of up to 24 locations (i.e., monitoring wells, a seep, and two water supply wells) for volatile organic compounds (VOCs), chloride, sulfate, nitrogen, and metals. The actual number of monitored locations varies by year as specified in the SAP. Additional samples are collected to assess quality control and quality assurance. This work generally consists of procuring disposable sampling equipment, rental of water quality meters, sample collection, and analytical laboratory analysis. Due to sample volume and equilibration constraints introduced by the DEQ-approved use of passive sampling devices, this work is split between two different events: one occurring in June and the other in August. Task 300: Winter Compliance Groundwater Monitoring This task is to complete groundwater monitoring in accordance with the 2023 SAP during the month of November or December. This work includes monitoring of 11 locations (i.e., monitoring wells and a seep) for VOCs, chloride, sulfate, and nitrogen. Additional samples are collected to assess quality control and quality assurance. As for Task 200, this work generally consists of procuring disposable sampling equipment, rental of water quality meters, sample collection, and analytical laboratory analysis. Docusign Envelope ID: F2FB3482-0B29-4ADD-BA39-E5451000F147 Task Order – 2024 to 2025 Groundwater and Methane Monitoring and Assessment Bozeman Landfill, Bozeman, Montana July 30, 2024 Page 3 of 4 TETRA TECH Task 400: Summer and Winter Groundwater Monitoring Reports This task includes completion of two annual reports, one for each of the monitoring events completed under Tasks 200 and 300. Each report will include descriptions of the work completed and any deviation from the methods described in the 2023 SAP. The reports will also include analytical laboratory reports and tabular and graphical depictions of pertinent data, comparison of water quality data to regulatory standards, statistical analysis of constituent detections and trends in conformance with the U.S. Environmental Protection Agency’s 2009 Statistical Analysis of Groundwater Monitoring Data at Resource Conservation and Recovery Act (RCRA) Facilities – Unified Guidance, data validation and interpretation, and recommendations for future work if warranted. Each report will be submitted COB in draft form for review and editing prior to submittal to DEQ’s Solid Waste Division. Task 500: SVE System Expansion This task will include construction oversight and reporting for the installation of four new SVE wells along the eastern boundary and three new SVE wells along the southern boundary. The new eastern boundary wells were previously designed and bid during March of 2022 but the bid was excessive, so the bidding documents were updated to include three additional SVE wells along the southern boundary in order to attract additional bidders. A successful bidder was selected in spring 2024 and construction is scheduled to begin on August 12, 2024 and extend into mid- or late-September 2024. Task 600: Project Management, Statistical Analysis, and Reporting Project management will include monthly administration / invoicing and progress reporting; semiannual budget forecasting and project summaries, scheduling of personnel, supplies procurement, and other related activities; communication with COB and DEQ; data management; and task order preparation for 2025-2026 monitoring activities. PERIOD OF PERFORMANCE Tetra Tech’s anticipated schedule to complete deliverables associated with the above-described tasks will be the following: Deliverable Completion Date Quarterly Methane Perimeter Monitoring and Report July 1, 2024 through June 30, 2025 Summer Groundwater Monitoring August 30, 2024 and June 30, 2025 Winter Groundwater Monitoring December 31, 2024 Summer 2024 Groundwater Monitoring Report November 30, 2024 Winter 2024 Groundwater Monitoring Report March 31, 2025 SVE Well Installation and Completion Report June 30, 2024 Monthly Invoices and Progress Reports July 1, 2024 through June 30, 2025 Semiannual Budget Forecasting and Project Summaries Dec. 15, 2024 and June 30, 2025 Docusign Envelope ID: F2FB3482-0B29-4ADD-BA39-E5451000F147 Task Order – 2024 to 2025 Groundwater and Methane Monitoring and Assessment Bozeman Landfill, Bozeman, Montana July 30, 2024 Page 4 of 4 TETRA TECH COSTS Estimated costs to complete the foregoing scope of services are shown below: Task Description Estimated Cost Task 100: LFG/SVE/AI Systems Operations and Maintenance $96,400.00 Task 200: Summer (June and August) Compliance Groundwater Monitoring $13,000.00 Task 300: Winter Compliance Groundwater Monitoring $10,000.00 Task 400: Summer and Winter Groundwater Monitoring Reports $34,600.00 Task 500: SVE System Expansion $34,000.00 Task 600: Project Management, Statistical Analysis, and Reporting $30,000.00 Total $218,000.00 Our costs will be on a time and materials basis. A detailed cost estimate can be provided upon request. SPECIAL CONDITIONS: Execution of this Task Order constitutes acceptance of all terms and conditions contained in Tetra Tech’s Professional Services Agreement with the City of Bozeman, dated July 31, 2024. CLIENT: CONSULTANT: City of Bozeman Tetra Tech By: By: Printed Name: Printed Name: Michael Hatten Title: Title: Date: Date: NOTICE OF CONFIDENTIALITY This Task Order (including attachments) contains information confidential to Tetra Tech, Inc., its subsidiaries, and subcontractors. It is intended only for City of Bozeman to consider Tetra Tech providing professional services at the Bozeman Landfill. Any other use is prohibited, without the prior written consent of Tetra Tech. Geosystems Operations Manager 08/07/2024 Docusign Envelope ID: F2FB3482-0B29-4ADD-BA39-E5451000F147 Acting City Manager 8/20/2024 Chuck Winn Certificate Of Completion Envelope Id: F2FB34820B294ADDBA39E5451000F147 Status: Completed Subject: Complete with Docusign: G.4 BLF_2024-2025_Bzn_Landfill_O_M_Task_Order_-_Revised_Aug_2024.pdf Source Envelope: Document Pages: 4 Signatures: 1 Envelope Originator: Certificate Pages: 5 Initials: 0 Mike Maas AutoNav: Enabled EnvelopeId Stamping: Enabled Time Zone: (UTC-07:00) Mountain Time (US & Canada) Stamps: 1 PO Box 1230 Bozeman, MT 59771 Mmaas@bozeman.net IP Address: 69.145.83.100 Record Tracking Status: Original 8/20/2024 7:00:48 PM Holder: Mike Maas Mmaas@bozeman.net Location: DocuSign Security Appliance Status: Connected Pool: StateLocal Storage Appliance Status: Connected Pool: City of Bozeman Location: DocuSign Signer Events Signature Timestamp Chuck Winn cwinn@bozeman.net Acting City Manager City of Bozeman Security Level: Email, Account Authentication (None) Signature Adoption: Pre-selected Style Using IP Address: 69.145.83.100 Sent: 8/20/2024 7:02:05 PM Viewed: 8/20/2024 7:27:14 PM Signed: 8/20/2024 7:27:35 PM Electronic Record and Signature Disclosure: Accepted: 8/20/2024 7:27:14 PM ID: 5b534e24-4fd4-4e01-a3f2-dac4a9d908cb Mike Maas mmaas@bozeman.net City Clerk City of Bozeman Security Level: Email, Account Authentication (None)Using IP Address: 69.145.83.100 Sent: 8/20/2024 7:27:36 PM Viewed: 8/20/2024 7:34:44 PM Signed: 8/20/2024 7:34:49 PM Electronic Record and Signature Disclosure: Accepted: 1/6/2020 4:08:14 PM ID: 79370d6f-72a4-4837-866f-9ec31f00062f In Person Signer Events Signature Timestamp Editor Delivery Events Status Timestamp Agent Delivery Events Status Timestamp Intermediary Delivery Events Status Timestamp Certified Delivery Events Status Timestamp Carbon Copy Events Status Timestamp Michael Hatten michael.hatten@tetratech.com Geosystems Operations Manager Security Level: Email, Account Authentication (None) Sent: 8/20/2024 7:34:50 PM Electronic Record and Signature Disclosure: Carbon Copy Events Status Timestamp Accepted: 8/15/2024 10:01:08 AM ID: a08344b2-e720-4be8-91f9-6dc709738208 Cody Flammond cflammond@bozeman.net Engineer II Security Level: Email, Account Authentication (None) Sent: 8/20/2024 7:34:51 PM Electronic Record and Signature Disclosure: Accepted: 3/1/2023 4:02:16 PM ID: 086c64a1-95e5-4a5f-9b5d-477e529bb83c Witness Events Signature Timestamp Notary Events Signature Timestamp Envelope Summary Events Status Timestamps Envelope Sent Hashed/Encrypted 8/20/2024 7:02:05 PM Certified Delivered Security Checked 8/20/2024 7:34:44 PM Signing Complete Security Checked 8/20/2024 7:34:49 PM Completed Security Checked 8/20/2024 7:34:51 PM Payment Events Status Timestamps Electronic Record and Signature Disclosure CONSUMER DISCLOSURE From time to time, City of Bozeman (we, us or Company) may be required by law to provide to you certain written notices or disclosures. 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