Template revised January 10, 2019.
COMMISSION
AGENDA MEMORANDUM
Item No.
8b
ACTION ITEM
Date of Meeting
May 14, 2019
DATE: May 3, 2019
TO: Stephen P. Metruck, Executive Director
FROM: Wendy Reiter, Director Aviation Security
Wayne Grotheer, Director Aviation Project Management
SUBJECT: Airport Terminal Accessibility and Safety Enhancements (TSE) (CIP #C800862)
Amount of this request:
$9,239,000
Total estimated project cost:
$16,116,000
ACTION REQUESTED
Request Commission authorization for the Executive Director to proceed with Phase II of the
Airport Terminal Accessibility and Safety Enhancements project at Seattle-Tacoma International
Airport for a total estimated project cost of $16,116,000 and advertise and execute a major
works construction contract for the project in the amount of $9,239,000.
EXECUTIVE SUMMARY
Phase II of the project will install security bollards along the Arrivals and Departures curbsides,
as well as the third floor Courtesy Vehicle Plaza and the pedestrian sky bridge entrances in the
Main Garage. The installation of these bollards has been identified as a key component of the
overall Comprehensive Security Program at the Airport. The project will also complete
Americans with Disabilities Act (ADA) access improvements along both the Arrivals and
Departures curbsides. These improvements support the Port’s goal of making the Airport the
most accessible in the nation for people with disabilities.
The project was included in the 2019 – 2023 capital budget with a cost estimate of
$12,941,000. The project scope was recently expanded to include resurfacing of the sidewalks
with an architectural treatment on both the Arrivals and Departures curbsides and the Courtesy
Vehicle Plaza, resulting in a cost increase of $3,175,000. This cost increase is subject to a
majority-in-interest (MII) vote of signatory airlines, with airline votes due May 20, 2019. If
rejected by the airlines, the sidewalk work will be removed resulting in a one-month delay in
bid opening to address the change in scope.
JUSTIFICATION
Proceeding with the construction of Phase II of the TSE program will continue to keep the
occupants of the Main Terminal safe. These improvements also require ADA compliant access
COMMISSION AGENDA – Action Item No. _8b_ Page 2 of 5
Meeting Date: May 14, 2019
Template revised September 22, 2016; format updates October 19, 2016.
improvements for disabled travelers on both the Arrivals and Departures curbsides. These
improvements support the Port’s goal of making Sea-Tac the most accessible airport in the
nation for people with disabilities.
Resurfacing the sidewalks during the TSE Phase II project will take advantage of related work,
eliminating the need for a future stand-alone project, significantly reducing the costs to the
Port, and lessening the impact to the traveling public since construction would only occur once.
DETAILS
TSE Phase I, the shatter proofing of windows in the Main Terminal and pedestrian sky bridges, is
now complete. TSE Phase II originally included the installation of bollards on the Arrivals and
Departures curbsides and at the entrances to each of the pedestrian skybridges in the Main
Garage. After a security assessment the scope was extended to include the Courtesy Vehicle
Plaza in the Main Garage. During the design phase an opportunity was identified to resurface
the sidewalks of the Arrivals and Departures curbsides, both nearly 50 years old, and the
Courtesy Vehicle Plaza.
Scope of Work
The TSE Phase II project will install bollards and ADA access ramps. The access ramps will be
installed at or near to entrances to the Main Terminal from the Arrivals and Departures
curbsides. The number of accessible loading zones will increase from two to twelve on the
Arrivals curbside, and from three to twelve on the Departures curbside. Bollards will also be
installed in the Main Garage at the entrance to each of the six sky bridges, and along the third
floor Courtesy Vehicle Plaza. The sidewalks along the Arrivals, Departures, and Courtesy
Vehicle Plaza will also be resurfaced.
Diversity in Contracting
Project staff worked with the Diversity in Contracting Department and have established an
eight percent women - and minority-owned business enterprise (WMBE) aspirational goal.
Schedule:
The schedule reflects receiving a favorable MII vote to increase scope to include resurfacing of
the sidewalks.
Construction start
2019 Quarter 3
In-use date
2020 Quarter 2
This Request
Total Project
Design
$0
$2,465,000
Construction
$ 9,239,000
$13,651.000
Total
$9,239,000
$16,116,000
COMMISSION AGENDA – Action Item No. _8b_ Page 3 of 5
Meeting Date: May 14, 2019
Template revised September 22, 2016; format updates October 19, 2016.
ALTERNATIVES AND IMPLICATIONS CONSIDERED
Three options were considered as follows:
Alternative 1 – Do not proceed with TSE Phase II bollards, ADA access ramps and
sidewalks
Cost Implications: $ 0
Pros:
(1) No capital investment by the Port
Cons:
(1) Does not increase the safety and security of the occupants of the Main Terminal.
(2) Does not enhance ADA accessibility at the Main Terminal curbside
(3) Does not enhance aesthetics of the Main Terminal curbside and Courtesy Vehicle
Plaza
This is not the recommended alternative.
Alternative 2 – Proceed with TSE Phase II bollards and ADA access ramps
Cost Implications: $6,064,000
Pros:
(1) Proceeding with TSE Phase II will increase the safety and security of the occupants of
the Main Terminal.
(2) The Arrivals and Departures curbsides will become compliant with current ADA
standards and helps expedite achieving the Port goal of making the Airport the most
accessible airport for people with disabilities in the nation.
Cons:
(1) Requires capital investment of $6,064,000 by the Port.
(2) Does not take advantage of an opportunity to resurface the sidewalks with the TSE
Phase II improvements, reducing the total cost of both projects to the Port, and
minimizing construction impacts on the traveling public
This is not the recommended alternative.
Alternative 3 – Proceed with TSE Phase II bollards, ADA access ramps and sidewalks.
Cost Implications: $9,239,000
Pros:
(1) Proceed with TSE Phase II bollards, ADA access ramps and sidewalks under one project
saves an estimated $3.5 million and reduces the overall construction impacts to the
traveling public.
(2) Proceeding with TSE Phase II will increase the safety and security of the occupants of
the Main Terminal.
COMMISSION AGENDA – Action Item No. _8b_ Page 4 of 5
Meeting Date: May 14, 2019
Template revised September 22, 2016; format updates October 19, 2016.
(3) The Arrivals and Departures curbsides, and Courtesy Vehicle Plaza, will be resurfaced
to provide an aesthetically pleasing treatment that greets passengers as they arrive
and depart the Airport.
Cons:
(1) Requires a greater capital investment of $9,239,000 by the Port.
This is the recommended alternative.
FINANCIAL IMPLICATIONS
Cost Estimate/Authorization Summary
Capital
Expense
Total
COST ESTIMATE
Original estimate
$9,854,000
$0
$9,854,000
Previous changes – net
$2,587,000
$500,000
$3,087,000
Current change
$3,175,000
$0
$3,175,000
Revised estimate
$15,616,000
$500,000
$16,116,000
AUTHORIZATION
Previous authorizations
$7,279,000
$500,000
$6,877,000
Current request for authorization
$9,239,000
$0
$9,239,000
Total authorizations, including this request
$15,616,000
$500,000
$16,116,000
Remaining amount to be authorized
$0
$0
$0
Annual Budget Status and Source of Funds
This project was included in the 2019 – 2023 capital budget and plan of finance with a budget of
$12,641,000. The current budget increase is due to the additional sidewalk resurfacing scope. The
budget increase will be transferred from the Aeronautical Allowance CIP (C800753) resulting in no
net change to the Aviation capital budget. The funding source will be the Airport Development Fund
and future revenue bonds. This project was originally approved by the airlines via the November
2017 Majority-in-Interest vote. However, the budget increase requires a second Majority-in-
Interest vote planned for April 2019.
Financial Analysis and Summary
Project cost for analysis
$16,116,000
Business Unit (BU)
Terminal Building
Effect on business performance
(NOI after depreciation)
NOI after depreciation will increase
IRR/NPV (if relevant)
N/A
CPE Impact
$TBD in 2020
COMMISSION AGENDA – Action Item No. _8b_ Page 5 of 5
Meeting Date: May 14, 2019
Template revised September 22, 2016; format updates October 19, 2016.
Future Revenues and Expenses (Total cost of ownership)
Port staff does not anticipate a significant change in the on-going operation and maintenance costs
associated with these improvements since preventative maintenance is not performed on the
security and ADA access improvements. Dependent upon the treatment used to resurface the
sidewalks, cement mortar or polymer concrete, the life cycle cost of the cement mortar would
require maintenance cost to reseal the sidewalks once within five years of installation to maintain
manufacturers’ 10-year warranty. Additional costs will be incurred if the improvements are
damaged and need to be replaced.
ATTACHMENTS TO THIS REQUEST
(1) ODO SeaTac Letter of Support
(2) Presentation slides showing sidewalk resurfacing concept
PREVIOUS COMMISSION ACTIONS OR BRIEFINGS
January 30, 2018 – The Commission authorized Design of Phase II of the Airport Terminal
Safety Enhancements and Security Improvements.
October 24, 2017 – The Commission authorized Design and Construction of Phase I of the
Airport Terminal Safety Enhancements and Security Improvements.