HomeMy WebLinkAbout10. 22-488NOVEMBER 22, 2022 22-488 RESOLUTION
(CARRIED 6-0 LOST LAID OVER WITHDRAWN )
PURPOSE: APPROVE PROFESSIONAL SERVICES AGREEMENT WITH
AECOM FOR KNAPP STREET QUARRIES, KIENAST-PAULUS
QUARRIES, AND TIMMERMAN LANDFILL FOR OPERATIONS,
MONITORING, AND MAINTENANCE SUPPORT DURING 2023
CALENDAR YEAR ($136,950.00)
INITIATED BY: DEPARTMENT OF PUBLIC WORKS
BE IT RESOLVED by the Common Council of the City of Oshkosh that the proper
City officials are hereby authorized to enter into and take those steps necessary to
implement an appropriate professional services agreement with AECOM Technical
Services, Inc. for monitoring, operations, and maintenance support services for Knapp
Street Quarries, Kienast-Paulus Quarries, and Timmerman Landfill in the amount of one
hundred thirty-six thousand nine hundred fifty dollars ($136,950.00).
Money for this purpose is hereby appropriated from:
Acct No. 02120470-6401 Sanitation-PS - Engineering/Survey/Appraisal
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TO: Honorable Mayor and Members of the Common Council
FROM: James Rabe, Director of Public Works
DATE: November 17, 2022
RE: Approve Professional Services Agreement with AECOM for Knapp Street
Quarries, Kienast-Paulus Quarries, and Timmerman Landfill for Operations,
Monitoring, and Maintenance Support during 2023 Calendar Year ($136,950)
BACKGROUND
The Department of Public Works has utilized AECOM for various environmental engineering
needs at the Quarry Park Landfill located on Knapp Street since 1979, at the Timmerman Landfill
since 1978, and at the Kienast-Paulus Quarries since 2015. The active venting system has been
operating at Quarry Park since spring of 2010. AECOM continues to report no measurement of
methane at the various monitoring points while the active venting system is in operation. An
operational pilot study was completed between the fall of 2015 and the spring of 2016 to
determine if the active venting system could be converted to a passive system. The study results
indicated the system will need to continue to operate in an active setting. It is anticipated the
Wisconsin Department of Natural Resources (WDNR) will require several more years of active
collection of methane gas before considering a reduced operation or switching to passive
collection.
Based on the deterioration of the well head vaults, a replacement plan for the well head vaults
has been recommended. The repairs to the vaults will be completed in 2023.
In 2019, AECOM submitted a plan modification for the Timmerman Landfill to the WDNR
proposing to reduce the sampling frequency of the gas probes from quarterly to semiannually
due to low methane concentrations being detected; remove volatile organic compound sampling
from monitoring wells MW-6 and MW-8; and remove sampling for pH, temperature, specific
conductance, and turbidity from the environmental monitoring requirements for monitoring
wells MW-9 and MW-10. The plan modification was approved by the WDNR on October 8, 2019.
During the summer of 2020, monitoring wells MW-9 and MW-10R were found to be damaged.
A well abandonment and relocation plan modification was submitted to the WDNR in March
2022. The plan modification was approved by the WDNR on June 29, 2022. This work was
completed in 2022.
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In 2015, the City of Oshkosh (City) initiated a landfill gas monitoring and site investigation at the
Kienast-Paulus Quarries. Due to the results of the monitoring investigation, continued landfill
gas monitoring, acquisition of property with residential structures on or near the former landfill
footprint, and the installation of an active landfill gas collection system were recommended by
AECOM. During 2018 and 2019, the City acquired the following properties: 905 West 17th
Avenue, 875 - 885 West 17th Avenue, 859 West 17th Avenue, and Outlot 1 of the parcel address of
1732 Knapp Street. In 2018, AECOM was retained to design a landfill gas system and submit the
design for approval to the WDNR. The design was approved by the WDNR on November 15,
2019. The landfill gas system was installed in the winter of 2019 and the spring of 2020 and started
operation in May 2020.
ANALYSIS
This agreement will cover the required operations, monitoring, and maintenance at all three (3)
former landfills for calendar year 2023. The scope of services includes continued methane gas
monitoring, reporting to the WDNR, inspecting the methane collection system, and providing
equipment maintenance recommendations.
FISCAL IMPACT
This agreement is for $136,950. The cost for these gas monitoring services will be allocated to the
operating budget (Account 02120470-6401/Sanitation-PS - Engineering/Survey/Appraisal).
RECOMMENDATIONS
Chapter 12 of the Municipal Code of the City of Oshkosh provides that professional services of a
specialized nature, including engineering services, may be procured without the use of formal,
sealed quotes. I have reviewed this agreement and in accordance with Section 12-16 of the Code,
I am hereby recommending that the Common Council approve the award of this professional
services agreement.
Approved:
Mark A. Rohloff
City Manager
JER/tlt