6i Presentation Remote Aircraft Deicing Project

Remote Aircraft Deicing
Seattle-Tacoma
International Airport

Project Justification
This project will mitigate some of the delays caused by on-gate
deicing, by constructing the infrastructure to provide two offgate
deicing positions on Taxiway A.



2

Project Scope


The construction of cross-over Taxiway Y to alleviate queueing back-ups
during deicing operations on the taxiway
The construction of asphalt pads along Taxiway A to provide support for
Deicing Vehicles
Industrial Waste and Storm Drainage System Improvement
3

Project Schedule
Construction start                              Q3 2020
In-use date                                    Q4 2020



4

Project Budget
COST ESTIMATE
Original estimate                       $24,300,000            $0  $24,300,000
Current change                        (6,600,000)            0   (6,600,000)
Revised estimate                        17,700,000            0   17,700,000
AUTHORIZATION
Previous authorizations                   3,145,000             0    3,145,000
Current request for authorization         14,555,000             0   14,555,000
Total authorizations, including this        17,700,000              0   17,700,000
request
Remaining amount to be authorized             $0           $0           $0

5

Project Risks
Federal Aviation Administration (FAA) Approval of Airport
Layout Plan (ALP) change
The construction of the new Taxiway Y requires FAA approval for an
ALP change prior to construction start
A successful Safety Risk Management Panel was conducted with the
FAA for the ALP change and the corresponding FAA approval letter is
expected no later than May 2020
Inclement weather
Potential delay to the overall construction progress
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