PORT OF SEATTLE 
MEMORANDUM 
COMMISSION AGENDA               Item No.      6c 
ACTION ITEM 
Date of Meeting    December 8, 2015 

DATE:    December 2, 2015 
TO:      Ted Fick, Chief Executive Officer 
FROM:   Ralph Graves, Managing Director Capital Development Division 
David Brush, IAF Program Leader 
George England, NSTAR Program Leader 
SUBJECT:  International Arrivals Facility (IAF) Guaranteed Maximum Price (GMP)
Development Period Authorization 
(CIP #C800583) 
North Satellite Renovation & North Satellite Transit Station Lobbies
Project (NSAT) 
(CIP #C800556) 

ACTION REQUESTED 
Request Commission authorization for the Chief Executive Officer to take the following
actions to advance two significant capital projects at Seattle-Tacoma International Airport 
(Sea-Tac), the details of which are described in Attachments A and B for: 
1)   Increasing project authorizations, and execute contract amendments and change
orders to; Clark/SOM in the amount of $275.5 million for the IAF and Hensel
Phelps General Contractor/Construction Management (GC/CM) in the amount of
$98.1 million for the NSAT, for a total of $373.6 million additional authorization
for the two projects. 
2)   Execute a contract for project specific construction audit services for the term of
each project. 
3)   Amend the previous Commission Authorization for the IAF validation contract
not-to-exceed to include sales tax for the estimated amount of $570,000. 
INTRODUCTION 
Sea-Tac is experiencing record growth driven both by one of the fastest growing regional
economies, the draw of the Seattle Tacoma metropolitan area, and by domestic and
international airline service successes. This has resulted in a shortage of aircraft gates and
existing facilities that cannot accommodate the demands of customers and passengers. 
Additionally, both the North Satellite and the South Satellite, which houses the existing
Federal Inspection Services (FIS) for processing arriving international passengers, were

Template revised May 30, 2013.

COMMISSION AGENDA 
Ted Fick, Chief Executive Officer 
December 2, 2015 
Page 2 of 2 
constructed in the early 1970's and have not had any significant renovations made since
their opening. These facilities are in desperate need of modernization and expansion to 
respond to airport-wide growth, and to provide world class facilities for our customers
and passengers. To sustain Sea-Tac's competitive advantage and succeed within the
national market place for airports, as laid out in the Century Agenda, the airport must
modernize and expand its aging facilities. The IAF and NSAT projects are critical to
achieving this. 
This request allows these two critical projects to continue proceeding forward and to
respond to the fast changing dynamics of the airport, meet the needs of multiple airlines
and make a deliberate and significant step to improving Sea-Tac's capacity, customer
level of service and competitive ranking among peer airports. Specific details, 
requirements, and supporting information for the requested actions are presented in
Attachment A for the IAF project and Attachment B for the NSAT project.