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ITEM 40

City Council Memorandum Public Works & Utilities Memo No. UA25-026

Date:

October 14, 2024

To:

Mayor and Council

Thru:

Joshua H. Wright, City Manager
Andy Bass, Deputy City Manager
John Knudson, Public Works and Utilities Director

From:

Tabitha Sauer, Solid Waste Manager

Subject:

Agreement No. 4831, with Tetra Tech, Inc., for the Paseo Vista Recreation Area and Landfill Environmental Consulting Services

Proposed Motion:

Move City Council approve Agreement No. 4831, with Tetra Tech, Inc., for the Paseo Vista Recreation Area and Landfill Environmental Consulting Services, in an amount not to exceed $200,000, for a one-year period, November 1, 2024, through October 31, 2025, with the option of up to four one-year extensions.

Background/Discussion:

The Paseo Vista Recreation Area, located at 3850 South McQueen Road, is a 64-acre former landfill site. In 2005, the landfill was closed, and the site was redeveloped into a recreation area in 2009. The Post Closure Plan and regulatory permits approved by the Arizona Department of Environmental Quality (ADEQ) include requirements for regular environmental monitoring.

Under this agreement, Tetra Tech, Inc., will continue to provide assistance with environmental monitoring, including data analysis and generating reports for submission. Tetra Tech, Inc., will also assist with maintenance and installation services of the landfill's systems upon request. The project scope of work consists of research, geotechnical investigation and monitoring, recertification, sampling and soil testing, and regulatory assistance.

Evaluation:

Engineering and Environmental Consultants, Inc., now Tetra Tech, Inc., performed consulting services under a previous agreement for the solid waste landfill health assessment project. Staff recommends approval of this agreement with Tetra Tech, Inc., based on qualifications and previous experience with the Paseo Vista Landfill.

Fiscal Impact

Account No.

Fund Name

Program Name

Dollar Amount

CIP Funded Y/N

625.3700.5219.4LFL.0.0

Solid Waste Operating

N/A

$200,000

Attachments

Agreement - Tetra Tech