City of Gonzales
PUBLIC WORKS / CITY ENGINEER DEPARTMENT
STAFF REPORT
TO: Honorable Mayor Rios and City Council
DATE: September 6, 2022
FROM: Patrick Dobbins, Public Works Director/City Engineer THROUGH: Carmen Gil, Interim City Manager
SUBJECT: Resolution No. 2022-66
RECOMMENDATION
It is recommended that the City Council adopt Resolution No. 2022-66, A Resolution of the City Council of the City of Gonzales Authorizing Execution of an Amendment to the October 5, 2020 Agreement with Dudek Consulting for additional efforts related to the design of the Industrial Wastewater System Project in an amount not-to-exceed $78,000 and extend the term of the agreement to June 30, 2024.
BACKGROUND
As the Council’s aware, the city’s wastewater treatment system operates under a Waste Discharge Permit from the Central Coast Regional Water Quality Control Board (Regional Board). The permitted capacity of the Wastewater Treatment Plant is 1.3 million gallons/day and sewer discharge to the plant is currently
1.1 million gallons/day (MGD).
To increase the capacity of the city’s wastewater system, the city will construct an Industrial Wastewater System to treat ag-wash water discharged from the processing facilities in the Industrial Business Park.
The first phase of the Industrial Wastewater System will be 1.0 MDG with a future phase increasing the permitted capacity up to 3.5MGD.
Construction of the Industrial Wastewater System will be funded through a low interest State Revolving Fund loan from the State Water Resources Control Board (SWRCB). Over the last six months city staff and our consultants have submitted the four application packages to SWRCB staff for review.
REVIEW AND ANALYSIS
AGENDA
ITEM
10 Dudek Consulting is completing the design of the Industrial Wastewater System and there are several tasks and coordination efforts that exceeded their original scope of work. This includes:
1. At city staff’s direction, Dudek evaluated and prepared cost estimates to increase the initial plant capacity from 1.0 to 1.5 MGD.
2. Dudek coordinated with Taylor Farms regarding nitrogen discharge concentrations and other constituents that would affect the treatment process. This led to analysis of the nitrogen loads and assistance for the city in recommending measures to Taylor Farms to reduce their nitrogen concentrations in their wastewater.
3. The process equipment design did not originally anticipate including potable water storage and booster pump system, non-potable water booster pump system, recirculation pump station system
4. Additional work related to the electrical design included:
• Fiberoptic link from new operations building to existing plant. • New sump pump in recirculation valve vault.
• Motorized, pedestal-controlled swing gate
• Potable and non-potable pump systems
Staff reviewed the attached August 25 proposal letter from Dudek Consulting and staff recommends authorizing an amendment to the agreement with Dudek Consulting for the additional efforts needed to complete the design of the Industrial Wastewater System Bid Documents in the amount of $78,000 and extend the term of the agreement to June 30, 2024.
Explain Recommendation and How it Supports the Vision
Gonzales will continue to be a safe, clean, family-friendly community, diverse in its heritage, and committed to working collaboratively to preserve and retain its small-town charm.
Explain: Constructing an Industrial Wastewater System supports our vision to expand the city’s wastewater system capacity and support economic development that will provide more local employment opportunities for City residents.
Explain how the Recommendation Directly Implements the Mission The City Council and Staff of the City of Gonzales will realize our Vision by providing the leadership, commitment, and resources necessary to provide excellent services that enhance the quality of life of our diverse community. X Yes ____No ____ N/A
Explain: Constructing an Industrial Wastewater Treatment Facility will enhance the community’s quality of life by providing for the continued treatment and safe disposal of the City’s wastewater that includes an ability to recycle ag-wash water from the processing plants in the city Industrial Business Park.
City services will be delivered in a cost-effective, respectful, and friendly manner to ensure the safety and well-being of the residents and the promotion of business, recreational, housing and employment opportunities in an environmentally sustainable manner. X Yes ____No ____ N/A Explain: See Vision explanation above.
Strong fiscal policies allow us to provide appropriate infrastructure for:
• Public Safety Yes X No N/A
• Housing X Yes No N/A
• Recreation Yes X No N/A
• Environment X Yes No N/A
• Education Yes X No N/A
Explain: See Vision above.
ALTERNATIVES
Amend or modify staff recommendation.
BUDGET IMPACT
Dudek’s contract will be funded with Sewer Impact monies.
CONCLUSION
It is recommended that the City Council adopt Resolution No. 2022-66, A Resolution of the City Council of the City of Gonzales Authorizing Execution of an Amendment to the October 5, 2020 Agreement with Dudek Consulting for additional efforts related to the design of the Industrial Wastewater System Project in an amount not-to-exceed $78,000 and extend the term of the agreement to June 30, 2 Attachments:
1. Dudek Letter
2. Resolution No. 2022-66
3. Amendment