PORT OF SEATTLE 
MEMORANDUM 
COMMISSION AGENDA               Item No.      4d 
ACTION ITEM 
Date of Meeting    October 28, 2014 
DATE:    October 20, 2014 
TO:      Theodore J. Fick, Chief Executive Officer 
FROM:   Dave Soike, Director, Aviation Facilities and Capital Program 
Wayne Grotheer, Director, Aviation Project Management Group 
SUBJECT:  Gates B6, B8, B14, C3, and S15 Passenger Loading Bridge Installation and
Replacement (CIP 800653) 
Amount of This Request:         $7,250,000   Source of     Airport
Funds:       Development Fund 
Est. Total Project Cost:           $7,250,000 
Est. State and Local Taxes:         $450,000 
ACTION REQUESTED 
Request a single Commission authorization for the Chief Executive Officer to (1) proceed with
design for the replacement/renewal of the passenger loading bridges (PLBs) at Gates B6, B8,
B14 and S15 and the installation of a new PLB and fixed walkway at Gate C3; (2) purchase 4
new PLBs, a fixed walkway and one PLB refurbishment kit; (3) advertise and execute a major
works construction contracts for the work up to two gates; and (4) use Port crews to perform site
work and complete replacement of the PLB at up to four gates. The amount of this request is
$7,250,000. 
SYNOPSIS 
This project enables increased airline flight schedules for next summer. The increased activity
across the Airport necessitates the operational use of every available aircraft position which in
turn requires new PLBs be installed at gates C3, B6, B8, B14 and S15. The PLBs at B6, B8, and
B14 will be converted from airline to Airport ownership consistent with the Port's overall PLB
ownership strategy.
Airline activity growth at the Airport is requiring the installation of a new PLB at gate C3 and
the mitigation of the risks of failure for older PLBs at gates B6, B8, B14 and S15. Currently gate
C3 does not have a PLB as it was moved in 2008 to gate B3 to accommodate airline needs. The
new PLB would be installed at the location of the one previously removed. The existing PLBs at
gate B6, B8, and B14 are airline owned, are over 25 years old and have begun to experience
significant electrical and control system problems. The Port will purchase new PLBs for
installation at gates B6, B8, and B14. The existing PLB at Gate S15 is over 25 years old and will

Template revised May 30, 2013.

COMMISSION AGENDA 
Theodore J. Fick, Chief Executive Officer 
October 20, 2014 
Page 2 of 7 
be replaced with a refurbished PLB recently removed from Gate S5. (S5 was removed as part of
another project to create additional international gates.) 
While CIP C800653 is included in the 2014- 2018 capital budget and plan of finance, the need to
add a PLB to Gate C3 is new. The need to add a functioning PLB at C3 is due to the planned
increased flight schedule next summer. This request for a single authorization for design,
procurement and installation is needed to have this additional gate in operation by June 2015, in
time for the busy airline summer schedule. This authorization includes purchase of four PLBs, a
fixed walkway and kits to refurbish a PLB for S15. 
BACKGROUND 
The passenger loading bridge at Gate C3 was removed in 2008, and there is infrastructure in
place to provide for a new PLB to be installed. The gate will serve domestic flights and reduce
the demand on heavily used South Satellite gates. 
PLBs are considered to have a service life of 25 years before major refurbishment or replacement
is required. The PLB at Gates B14 was manufactured and installed in 1983 and the two PLBs for
Gates B6 and B8 in 1988. These PLBs have experienced significant electrical and control system
problems over the past 20 months which have made them mechanically unreliable and often
difficult to operate. 
Aviation Maintenance completes regular preventive, corrective, and emergency maintenance on
all Port owned PLBs, as well as providing customer service support for operations. Aviation
Maintenance estimates a current average annual cost per PLB of approximately $15,000
inclusive of all repair, maintenance and customer support activities, including 24/7 response.
Costs to maintain older PLBs are significantly more than the average. Annual repair costs for
S15 are about $35,000. Since the age of B6, B8 and B14 are 25+ years, staff estimates annual
maintenance costs are similar to S15. Further, the unplanned downtime experienced as a result
of these emergency repairs seriously disrupted international airline operations at the South
Satellite. 
The PLBs at gates B6, B8, and B14 are airline-owned. While some maintenance has been
performed by the airlines over the past 25 years, none of the major technical/operational systems
of either PLB have been upgraded since the original installation. Port staff has inspected them
and determined that they are beyond their useful life and are not candidates for refurbishment. 
In addition, replacement of the existing PLBs  would  take each gate out of service for
approximately three weeks compared to up to twelve weeks for a complete refurbishment, which
is operationally unacceptable. After assessment by staff it was determined that due to the high
demand for aircraft gates on Concourse B, the PLBs at gates B6, B8, and B14 should be replaced 
with new.

COMMISSION AGENDA 
Theodore J. Fick, Chief Executive Officer 
October 20, 2014 
Page 3 of 7 
Therefore, this project will purchase new PLBs for installation at gates B6, B8, and B14. The
existing airline-owned PLBs will be removed by the airlines at their expense and this work is not
part of this project. 
This project was approved by Majority-In-Interest on March 6, 2014. 
PROJECT JUSTIFICATION AND DETAILS 
Historically, airlines primarily owned and maintained PLBs, but over the past couple of decades
the Port has been strategically purchasing the PLBs as opportunities become available.
Southwest Airlines, in an effort to reduce its operational costs and improve PLB reliability has
requested that the Port replace the PLBs at gate B6, B8, and B14 with new or refurbished PLBs 
that meet their operational needs. Southwest has requested that B14, the oldest and least reliable
PLB, be replaced by June 1, 2015 to meet their projected flight schedule requirements. 
Proposed flight activity forecast for 2015 indicates a need to install a new PLB at gate C3 by
June 1, 2015. Delta Air Lines has requested this to meet their projected flight schedule 
requirements. 
The PLBs at gates B6, B8 and S15 will be replaced in the fall of 2015. 
The Southwest request is consistent with the Airport's strategy of opportunistically acquiring
airline PLBs so that the Airport can maintain them to the same high standards to ensure
operational reliability. The operational failure of a PLB, whether airline-owned or Port owned,
negatively affects operations and airline service while significantly inconveniencing the traveling
public. 
Gate S15 is capable of accepting international wide body aircraft and provide access to the South
Satellite international arrivals facility.  Having this bridge out of operation for even a short
period of time significantly impacts the Port's ability to safely and efficiently accommodate
international passenger operations at the South Satellite.
Project Objectives 
The objectives of this project are: 
To provide safe and reliable equipment at the Airport's gates. 
To minimize unplanned PLB and gate downtime. 
To improve the efficient use of Port owned PLBs. 
Scope of Work 
Design for this scope of work will be provided under existing design services indefinite
delivery, indefinite quantity (IDIQ) contracts.

COMMISSION AGENDA 
Theodore J. Fick, Chief Executive Officer 
October 20, 2014 
Page 4 of 7 
Purchase and installation of new PLBs, associated fixed walkway and related components
at Gates B6, B8, B14, C3, and S15 along with necessary architectural, electrical, data and
mechanical infrastructure upgrades to meet new PLB standards and current code
requirements.
Port Construction Services (PCS) will perform work associated with preparing the
foundations replacement and construction management services for the PLB installations
at Gates B6, B8, B14 and S15.
Installing and commissioning the new PLB and fixed walkway at C3 and installing the
refurbish PLB at S15 will be completed as part of major works construction contracts.
The PLB will be provided as owner-furnished equipment.
Installing the refurbished PLB at Gate S15 will be completed either by PCS or as part of
major works construction contracts depending on its total cost which will be determined
once design is complete. 
The new bridges will be connected to the Port's Facility Monitoring System so any
malfunction that shuts the bridge down will be promptly reported to Maintenance for
faster response. 
Schedule 
Complete Design          March 2015 
Start Construction           April 2015 
Complete Construction      October 2015 
FINANCIAL IMPLICATIONS 
Budget/Authorization Summary              Capital     Expense   Total Project 
Original Budget                      $7,250,000               $7,250,000 
Budget transfer                        -$950,000                -$950,000 
Budget increase                        $900,000      $50,000     $950,000 
Revised budget                      $7,200,000      $50,000    $7,250,000 
Previous Authorizations                       $0          $0          $0 
Current request for authorization            $7,200,000       $50,000    $7,250,000 
Total Authorizations, including this request     $7,200,000       $50,000    $7,250,000 
Remaining budget to be authorized               $0          $0          $0 
Total Estimated Project Cost              $7,200,000      $50,000    $7,250,000 
Project Cost Breakdown               This Request and Total Project 
Design                                       $1,000,000 
Construction                                    $5,800,000 
State & Local Taxes (estimated)                        $450,000 
Total                                           $7,250,000

COMMISSION AGENDA 
Theodore J. Fick, Chief Executive Officer 
October 20, 2014 
Page 5 of 7 
Budget Status and Source of Funds 
This project is included in the 2015-19 capital budget and plan of finance within CIP #C800653 
with a budget of $6,300,000. The capital budget increase of $900,000 will be transferred from
the Aeronautical Allowance CIP (C800404), resulting in no net change to the airport capital
budget.  The funding source will be the Airport Development Fund and future revenue bonds.
Consistent with the plan of finance, the Port plans to issue revenue bonds in 2015 to fund a
number of projects. The $50,000 project expense is included in the 2015 airport operating
budget. 
Financial Analysis and Summary 
CIP Category             Renewal and Enhancement 
Project Type              Renewal & Replacement 
Risk adjusted discount rate     N/A 
Key risk factors             N/A 
Project cost for analysis        $7,250,000 
Business Unit (BU)          Terminal  Passenger Loading Bridges 
Effect on business performance  NOI after depreciation will increase 
IRR/NPV             N/A 
CPE Impact             CPE will increase by $.03 in 2016, but no change to
business plan forecast as this project was included. 
Lifecycle Cost and Savings 
Aviation Maintenance completes regular preventive, corrective and emergency maintenance on
all Port-owned PLBs, as well as providing customer service support for operations. Aviation
Maintenance estimates a current annual cost per PLB of approximately $15,000 inclusive of all
repair, maintenance and customer support activities, including 24/7 response. 
As a result of an earlier Continuous Process Improvement Lean workshop to improve
maintenance work flow on PLBs, and due to the removal of other PLBs as part of other projects,
no additional Airport maintenance craft full-time-equivalent personal are necessary in order to
maintain these additional Airport owned bridges. Aviation Maintenance does not anticipate
adding staff to support these PLB's. Facility wide, other PLB's are being removed from service
as components of other projects. Aviation Maintenance will be reallocating resources to absorb
the additional assets generated by this project. 
STRATEGIES AND OBJECTIVES 
By replacing the airline-owned PLBs that are at the end of their useful operational life with new
Port-owned PLBs, this CIP advances the Port's strategic goal to operate a world-class international
Airport.

COMMISSION AGENDA 
Theodore J. Fick, Chief Executive Officer 
October 20, 2014 
Page 6 of 7 
TRIPLE BOTTOM LINE 
Economic Development 
This project demonstrates environmental sustainability by replacing outdated, inefficient and
unreliable PLBs. This will allow the Port to provide its tenants and the general public with the
updated, dependable and more efficient equipment that they need to support and grow their
business. The resulting improvement to the Port's PLB inventory will promote net operating
income through ongoing gate leases to airlines with a corresponding decrease in repair and
capital expenditures. 
Environmental Responsibility 
This project will install a new PLB, associated fixed walkway and related equipment to replace
aging, less energy efficient equipment at Gate B6, B8, B14 and S15 and install a new efficient
PLB at gate C3.
New PLBs employ the use of advanced electronics, materials and finishes that provide enhanced 
energy efficiency and improved air quality through: 
Installation of Energy Star compliant equipment/components where applicable. 
Use of up to 30% pre-consumer recycled content in PLB flooring. 
Use of repurposed rubber from spent aircraft tires for PLB control cab bogies (under-cab
assemblies) 
Use of No/Low VOC (volatile organic compound) paints, adhesives and finishes 
wherever possible.
Use of the most energy efficient lamps provided for this application. 
Provision for increased passive ventilation in newly manufactured PLBs over older
models. 
Business Plan Objectives 
This project supports the Aviation Division's strategic goal to operate a world-class international
Airport by providing safe and secure operations, anticipating and meeting the needs of our
tenants and passengers and by managing Port assets to minimize the long-term total cost of
ownership. Having operationally reliable and aesthetically pleasing PLBs at gates B6, B8, B14,
C3 and S15 are advantageous to the Port as the premier gateway to and from the Northwest. 
Community Involvement 
The Project Manager will work with the Office of Social Responsibility to determine small
business participation opportunities, in accordance with small business Resolution No. 3618. 
ALTERNATIVES AND IMPLICATIONS CONSIDERED 
Alternative 1) Install a new PLB at Gate C3 and have Southwest continue to own and operate
their gates. Installing the PLB at gate C3 will provide operational flexibility for additional 
flights. However, not replacing the PLBs at gates B6, B8, B14 and S15; which have an
increasing trend of mechanical and electrical failures, will impact safety, increase emergency

COMMISSION AGENDA 
Theodore J. Fick, Chief Executive Officer 
October 20, 2014 
Page 7 of 7 
maintenance costs, and risk higher PLB downtime. This would reduce the Port's ability to
accommodate domestic and international flights as well as result in lost revenue. This is not the
recommended alternative. 
Alternative 2) Do nothing. This alternative would not provide operational flexibility for regional
flights and would not meet airline flight schedule needs. It would not mitigate the risk for PLB
failure. This is not the recommended alternative. 
Alternative 3) Install a new PLB at C3, replace the airline-owned PLBs at gates B6, B8, and
B14, and install a refurbished PLB at S15. Installing the PLB at gate C3 will provide operational
flexibility for additional flights. Replacing the PLBs at gates B6, B8, B14 and S15, which are at
risk of future service interruptions, with new or refurbished Port-owned PLBs will provide safe,
high quality facilities for Airport passengers, increased operational reliability and take gates B6,
B8, B14 and S15 out of operation for the shortest period of time possible. This is the
recommended alternative. 
ATTACHMENTS TO THIS REQUEST 
None 
PREVIOUS COMMISSION ACTIONS OR BRIEFINGS 
None