Title
Operations, Maintenance and Monitoring of the Landfill Gas Collection Control System Contract - RFP 27-SWDD-006 - Request for Award (Ordinance S-52821) - Districts 1, 3, 7, 8 & Out of City
Description
Request to authorize the City Manager, or his designee, to enter into a contract with Tetra Tech BAS, Inc. to provide operations, maintenance and monitoring of the landfill gas control system for the Public Works Department. Further request to authorize the City Controller to disburse all funds related to this item. The total value of the contract will not exceed $45 million.
Summary
The contract will provide services for the City's SR85 Landfill and five closed landfills including, but not limited to: monitoring the landfill surface for landfill gas in accordance with Title 40 of the Code of Federal Regulations; report findings; operate the landfill gas collection and destruction systems; and provide maintenance for the collection and destruction systems. As needed, the contractor will install new monitoring technology and collection systems as well as prepare the required reports and permit documents for the landfills. The contract will also enable the City to maintain compliance with the Environmental Protection Agency's New Source Performance Standards for pollution control and the Clean Air Act.
Procurement Information
Request for Proposal (RFP) 27-SWDD-006 was processed in accordance with City of Phoenix Administrative Regulation 3.10. Three proposals were received by the Finance Department on December 1, 2025. The evaluation committee, consisting of City staff and external subject matter experts, evaluated offers based on the following criteria: Qualifications and Experience (400 points), Transition Start-Up and Close Out Plans (300 points), Price (200 points) and Reporting (100 points) for a total of 1000 points.
After reaching consensus, the evaluation committee recommends Tetra Tech BAS, Inc. for contract award as the best value to the City based on the following consensus scores, and responsive and responsible offeror:
Tetra Tech BAS, Inc. - 861.0 points
SCS Engineers - 759.4 points
Rummel Construction - 738.2 points
Contract Term
The contract will begin on or about July 1, 2026, for a six-year term with two (2) two-year options to extend.
Financial Impact
The aggregate contract value will not exceed $45 million.
Funding is available in the Public Works Department's Capital Improvement Program budget.
Location
Skunk Creek Closed Landfill, 3165 West Happy Valley Road
Council District: 1
Deer Valley Closed Landfill, 15202 North 19th Avenue
Council District: 3
27th Avenue Closed Landfill, 3060 South 27th Avenue
Council District: 7
19th Avenue Closed Landfill Cell A,1701 West Lower Buckeye Road
Council District: 8
19th Avenue Closed Landfill Cell A-1, 3850 South 15th Avenue
Council District: 8
Del Rio Closed Landfill, 1150 East Elwood Street
Council District: 8
SR85 Open Landfill, 28361 West Patterson Road, Buckeye, AZ
Council District: Out of City
Department
Responsible Department
This item is submitted by Deputy City Manager Alan Stephenson and the Public Works Department.