To: Board of Directors, Sonoma County Water Agency
Department or Agency Name(s): Sonoma County Water Agency
Staff Name and Phone Number: Billy Patrick 707-547-1989
Vote Requirement: Majority
Supervisorial District(s): Countywide
Title:
Title
As-Needed Tank Coating Inspection Services
End
Recommended Action:
Recommended action
Authorize Sonoma County Water Agency’s General Manager to execute the First Amended Agreement for As-Needed Tank Coating Inspection Services with Gaya Coating Consulting Inc. in a form approved by County Counsel. The amended agreement increases the amount by $75,000 for a new not-to-exceed agreement total of $125,000 with no change to the end date of August 13, 2026.
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Executive Summary:
Sonoma County Water Agency (Sonoma Water) is performing maintenance on its water transmission system water storage tanks. The maintenance includes removing and reapplying the interior coatings and exterior paint. Sonoma Water requires as-needed design review and construction inspection of its water storage tanks, including technical support during bidding and inspections and reports during construction.
Discussion:
HISTORY OF ITEM/BACKGROUND
Sonoma Water manages and maintains a water transmission system that provides naturally filtered Russian River water to nine cities and special districts that in turn delivers drinking water to more than 600,000 residents in portions of Sonoma and Marin counties. Sonoma Water provides drinking water to the following entities: City of Cotati, Marin Municipal Water District, North Marin Water District, City of Petaluma, City of Rohnert Park, City of Santa Rosa, City of Sonoma, Valley of the Moon Water District, and Town of Windsor.
Sonoma Water owns and operates 18 water storage tanks as a part of this water transmission system. The tanks have a total combined capacity of 128.8 million gallons and are an integral component of the transmission system. Maintaining and improving the reliability of the water system storage tanks is vital in continuing to provide clean drinking water.
Sonoma Water’s Tank Maintenance Program is an essential element of Sonoma Water’s Capital Improvement Plan that protects the transmission system’s water storage tanks through targeted proactive maintenance actions, structural repairs, and cathodic protection systems. Tank recoating and painting operations are ongoing at the Cotati Tank No. 1 and Kastania Tanks and require specialty tank recoating inspection services.
Kastania Tank is the final tank in Sonoma Water’s inventory to contain coal tar enamel, which has been difficult to remove and requires more time-consuming inspection than anticipated. Additional funds are needed to complete coating inspection work for the remainder of the current Cotati No. 1 and Kastania Tanks recoating effort.
Sonoma Water and Gaya Coating Consulting Inc. (Consultant) entered into this agreement for as-needed tank coating inspection services, dated August 15, 2023, in the amount of $50,000.
SELECTION PROCESS
Consultant was selected from a list of qualified consultants developed from a competitive selection process. Attached is a memo that explains the competitive selection process.
Consultant was selected for the subject work because of Consultant’s outstanding levels of qualifications and experience. Consultant specializes in tank coating processes and materials, is registered with professional standards associations, and has 25 years of experience working with many municipalities around the Bay Area.
SERVICES TO BE PERFORMED
Under the amended agreement, Consultant will continue to do the following:
1. Provide peer review of Sonoma Water’s specification for water storage tank painting and protective coating.
2. Coordinate and schedule on-site inspections.
3. Provide testing equipment and perform compliance tests.
4. Prepare and submit daily inspection reports during construction.
5. Take digital photographs of significant features and damaged or defective areas.
The additional cost is $75,000, for a new not-to-exceed agreement total of $125,000. There is no change to end date of August 13, 2026.
The amended agreement includes authorization for the General Manager to make changes to lengthen time schedules or make minor modifications to the scope of work, which do not increase the amount paid under the agreement, in a form approved by County Counsel.
Under the amended agreement, the General Manager shall have the ability to extend the term of the agreement for two additional years by providing written notice to Consultant thirty days in advance of the expiration date. The extension shall be formalized in an amended agreement or amendment signed by Sonoma Water and Consultant.
County of Sonoma Strategic Plan Alignment
N/A
Sonoma Water Strategic Plan Alignment
Goal: Planning and Infrastructure
Strategy: Fund and implement the planned capital and maintenance
projects on schedule to ensure reliable services
Action: Fund Capital Improvement Program budgets to meet infrastructure needs
Sonoma Water’s Tank Maintenance Program is an essential element of Sonoma Water’s Capital Improvement Plan that protects the transmission system’s water storage tanks through targeted proactive maintenance actions, structural repairs, and cathodic protection systems.
Racial Equity:
Was this item identified as an opportunity to apply the Racial Equity Toolkit?
No
Prior Board Actions:
07/07/2020: Approved amended agreement between Sonoma Water and Gaya Coating Consulting Inc. for Forestville Tank coating specification review and construction inspection services. Cost $75,000; term end 8/4/2021.
Fiscal Summary
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Expenditures |
FY23-24 Adopted |
FY24-25 Projected |
FY25-26 Projected |
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Budgeted Expenses |
$75,000 |
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Additional Appropriation Requested |
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Total Expenditures |
$75,000 |
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Funding Sources |
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General Fund/WA GF |
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State/Federal |
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Fees/Other |
$75,000 |
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Use of Fund Balance |
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General Fund Contingencies |
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Total Sources |
$75,000 |
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Narrative Explanation of Fiscal Impacts:
Budgeted amount of $75,000 is available from FY 2023/2024 appropriations for the Water Transmission System fund. No additional appropriation is required.
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Staffing Impacts: |
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Position Title (Payroll Classification) |
Monthly Salary Range (A-I Step) |
Additions (Number) |
Deletions (Number) |
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Narrative Explanation of Staffing Impacts (If Required):
N/A
Attachments:
Competitive Selection Process Memo
Related Items “On File” with the Clerk of the Board:
None.