S Concourse Evolution and 188

Duct Bank Crossing

Construction Authorization

Item No.

8f_supp

Date of Meeting May 26, 2026

Background

• The SCE Project is a critical infrastructure renewal effort at SEA, addressing the 53-year-old

facility’s seismic, structural, and code compliance needs while enhancing the passenger

experience. SCE project will renew this important regional facility through two main

objectives:

o Extend the useful life and bring the facility up to current code

including structural and seismic upgrades

o Re-purpose space left vacant by services relocated to the

International Arrivals Facility (IAF) and enhance the passenger

experience by increasing amenities, expanding dining and

retail (ADR) opportunities, and elevating the level of service.

188

Street Duct Bank Authorization

This action is to authorize the construction of limited utility infrastructure scope along 188

Street. This work connects the electrical substation to S Concourse and is a necessary

prerequisite for SCEs future power requirements.

Scope elements include:

• Duct Bank

• Electrical Equipment

• Retaining Wall

• Electrical Vaults

• Equipment Pads

• Other ancillary electrical items

Pre-construction Authorization

This action is to increase authorization necessary to complete all pre-construction activities for

S Concourse Evolution Program.

Increased authorization supports:

• Project Management

• Construction Management

• Design Services

• Special Testing and Inspection

• Contractor led efforts associated with

developing the Maximum Allowable

Construction Cost (MACC)

Request $38,610,000 authorization

Questions