Parking Garage Elevator Modernization
CIP C800789 / WP U00313
Capital Cost: $ 27,027,000
November 18, 2025
Item No. 8e_supp
Meeting Date: November 18, 2025
11/12/2025 2
CoreA
Parking Garage Elevator Modernization
BACKGROUND
Parking Garage Elevator Modernization Scope
• Complete replacement of elevator systems in Elevator Cores B
(Orange) and C (Purple): motors, gears, controls, panels, lighting
and finishes
• Replacement of the HVAC systems for the machine rooms in
Elevator Cores B and C.
• Refinishing (lighting, interior cab finishes) of all cabs in Elevator
Cores A (Blue), D (Yellow) and E (Green).
3
Project Cost Estimate and Budget Request
Authorized Capital Budget $23,090,000
Current Estimate at Completion $27,027,000
Total Additional Budget Request $3,937,000
Primary Cost Drivers
• Extended contract duration
• Structural modification and accommodation
• Fire/Life Safety upgrades
• Communication systems changes and modifications
• Electrical power changes and modifications
4
• Project Substantial Completion
– Orange Elevator Core
– Purple Elevator Core
– Green Elevator Core
– Yellow Elevator Core
– Blue Elevator Core
3
rd
Quarter 2026
• 2025 Quarter 3
• 2026 Quarter 2
• 2026 Quarter 1
• 2026 Quarter 3
• 2026 Quarter 2
Parking Garage Elevator Modernization
5
Requested Action
Request Commission authorization to complete the Parking
Garage Elevator Modernization (PGEM) Project at the
Seattle-Tacoma International Airport (SEA). This request is
an increase in the amount of $ 3,937,000 for a total
authorization of $ 27,027,000.
6
Questions?
7
