TO: Board of Supervisors
FROM: Steven Lederer - Director of Public Works
REPORT BY: Michael Gordon - Watershed and Flood Control Resources Specialist
SUBJECT: Amendment No. 6 to Napa County Agreement No. 130004B with ESA PWA - Napa River Oakville to Oak Knoll Restoration Project Hydraulic Analysis
RECOMMENDATION
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Director of Public Works requests approval of and authorization for the Chair to sign Amendment No. 6 to Agreement 130004B with ESA PWA (ESA), increasing the maximum compensation by $244,300 for a new maximum of $4,896,535 for the purpose of providing additional hydraulic analysis required to prepare a Letter of Map Revision (LOMR) application for the Napa River Oakville to Oak Knoll (OVOK) Restoration Project.
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EXECUTIVE SUMMARY
Channel restoration projects have been constructed on the Napa River in the Rutherford and OVOK reaches. In the Rutherford reach, ESA began to develop a LOMR based on the 2008 Conditional Letter of Map Revision (CLOMR) and as-built survey data for the constructed project. In the OVOK reach, ESA submitted certified individual No-Rise studies for the restoration sites in each of the construction groups (A-D). ESA proposes to combine these reaches into a single LOMR extending from Zinfandel Lane to Oak Knoll Avenue which will be submitted to the County floodplain manager and the Federal Emergency Management Agency (FEMA).
FISCAL & STRATEGIC PLAN IMPACT
Is there a Fiscal Impact?
Yes
Is it currently budgeted?
Yes
Where is it budgeted?
Fund: 1000 Organization: 1220500 Project: 07002
Is it Mandatory or Discretionary?
Discretionary
Discretionary Justification:
Amendment 6 is needed to complete the hydraulic analysis that will support the LOMR for the entire OVOK project.
Is the general fund affected?
No
Future fiscal impact:
No
Consequences if not approved:
The analysis will not be able to be completed with the current balance of contract funds.
County Strategic Plan pillar addressed:
Vibrant and Sustainable Environment
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