Item No. 8e_supp
Meeting Date: November 18, 2025

Parking Garage Elevator Modernization
CIP C800789 / WP U00313
Capital Cost: $ 27,027,000
November 18, 2025

Parking Garage Elevator Modernization
BACKGROUND

CoreA

11/12/2025

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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).

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Project Cost Estimate and Budget Request
Authorized Capital Budget
Current Estimate at Completion
Total Additional Budget Request

$23,090,000
$27,027,000
$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

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Parking Garage Elevator Modernization
• Project Substantial Completion
- Orange Elevator Core
- Purple Elevator Core
- Green Elevator Core
- Yellow Elevator Core
- Blue Elevator Core

3rd Quarter 2026
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2025 Quarter 3
2026 Quarter 2
2026 Quarter 1
2026 Quarter 3
2026 Quarter 2

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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.

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Questions?

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