TO: Board of Supervisors
FROM: Steven Lederer, Director of Public Works
REPORT BY: Mark Witsoe, Airport Manager
SUBJECT: Approve Capital Improvement Project and Award Construction Contract to Zivko Corporation, Inc. dba Metal Building Company of Oakland, CA for Hangar A Row Roof Construction Project PW26-07 at the Napa County Airport
RECOMMENDATION
title
Approve and authorize creation of Capital Improvement Project 25051, "Hangar A Row Roof Construction Project" PW26-07; award Construction Contract to Zivko Corporation, Inc. dba Metal Building Company of Oakland, CA for their low base bid and bid alternate of $425,816; and approve an associated Budget Amendment. (Fiscal impact: $577,942 Expense; Airport Fund; Not Budgeted; Discretionary)
[4/5 vote required]
body
BACKGROUND
Napa County Airport owns and operates several Box and T-hangars for public lease/use. Several hangars are over 30 years of age and efforts have been made to identify several capital improvement projects to extend the life of these Airport Capital Assets. Airport staff have identified unsafe roof conditions in the A5-A8 box hangars that required relocation of those hangar tenants until repairs could be made. Further inspection of the metal roof and associated gutter systems identified the need for complete replacement.
Originally built in 1992, the hangar roof replacement project will replace all roof materials, gutter systems, ventilation and any failed purlins with in-kind or approved equal materials. A Bid alternate included replacing the gutter systems for hangars A1 and A4 as these have significant failures as well. This type of roof replacement is consistent with other metal frame buildings and enable the Airport to receive annual revenues exceeding $75,000 per year.
On June 24, 2025, the Board of Supervisors approved the plans, specifications, and authorization to advertise for public bid of PW26-07 Hangar A Row Roof Project. Project Management services through MCK Americas, Inc...
Click here for full text