Item No. 8d_supp_
Meeting Date: August 10, 2021
Airfield Utility Improvements (AUI)x

Michelle Carioto  AVPMG
C801177
August 10, 2021

Action Requested
Request Commission authorization for the Executive Director to
(1) complete design and prepare construction documents for the
Airfield Utilities Infrastructure (AUI) project (CIP C801177) at
Seattle-Tacoma International Airport (SEA) and (2) enter into
reimbursable agreements with the Federal Aviation
Administration. This design authorization is for an amount of
$6,300,000 out of a total estimated project cost of $46,200,000.

2

Project Purpose
This Airfield project replaces the 50+ years old, failing and
undersized Sanitary Sewer, Watermain, and Industrial Waste
System (IWS) infrastructure that allow the Main Terminal and
South Satellite to operate. It also adds Power and
Communications pathways to increase resiliency of the
Satellites.
The work will be phased with planned operation outages of
the existing Airfield Pavement Program for years 2023 to 2025.
The work also supports and is critical path for the C1 Building
Expansion and South Satellite Renovation Projects.
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