TO: Board of Supervisors
FROM: Alexander Alarcon, Director of Corrections
REPORT BY: John Buzolich, Special Assignment
SUBJECT: Agreement with Siemens Industry for support of the Siemens Desigo System at Napa County Jail

RECOMMENDATION
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Approve and authorize Sole Source Agreement No. 260225B with Siemens Industry Inc. for professional and technical support of the Siemens Desigo System at Napa County Jail for the term July 1, 2026 through June 30, 2030. (Fiscal Impact: $56,868 Expense, General Fund, Budgeted, Discretionary)
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BACKGROUND
Approval of this agreement allows the County to have professional and technical support for the Siemens Desigo HVAC (Heating, Ventilation, and Air Conditioning) Management System (Siemens System). The Siemens System is a proprietary computer control system for HVAC management systems located at the Napa County Jail and other county facilities.
The vendor is sole sourced as they have full proprietary access to all legacy and modern software tools, firmware updates and factory support for the highly complex installation at the Jail. Corrections is requesting support for an existing operational environment in operation for 1.5 years and is aligning with Public Works' assessment of the vendor best suited to maintain that environment. Services with the vendor ensure continuity, compatibility, and reliable support of an established County system. These services are essential for the safe and consistent operation of HVAC equipment. Under the agreement, Siemens Industry will receive $40,230 for services rendered in the previous fiscal year.
Requested Action:
Approve and authorize sole source Agreement No. 260225B with Siemens Industry Inc. for support of the Siemens Desigo System at Napa County Jail for the term July 1, 2026 through June 30, 2030, for a total contract maximum not to exceed $278,145.
FISCAL IMPACT
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Is there a Fiscal Impact? |
Yes |
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Is it currently budgeted? |
Yes |
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Where is it budgeted? |
Corrections, 1400003 |
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Is it Mandatory or Discretionary? |
Discretionary |
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Is the general fund affected? |
Yes |
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Future fiscal impact: |
The cost of the agreement will increase in future years by approximately 3% and is subject to tariff related risk. |
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Consequences if not approved: |
The County will be unable to obtain optimum performance from its HVAC units at the jail and will be unable to request immediate support to the control system if faced with a failure. |
ENVIRONMENTAL IMPACT
ENVIRONMENTAL DETERMINATION: The proposed action is not a project as defined by 14 California Code of Regulations 15378 (State CEQA Guidelines) and therefore CEQA is not applicable.