COMMISSION 
AGENDA MEMORANDUM                        Item No.          8f 
ACTION ITEM                            Date of Meeting       May 14, 2024 

DATE:     March 4, 2024 
TO:        Stephen P. Metruck, Executive Director 
FROM:    Mike Tasker, Director, Aviation Maintenance 
Jinah Kim, Senior Manager, Aviation Maintenance 
SUBJECT:  Airport-wide Window Cleaning Contract
Amount of this request:              $ 9,000,000 
Total estimated project cost:          $ 9,000,000
ACTION REQUESTED 
Request Commission authorization for the Executive Director to; 1) increase the value of the
existing service contract for Airport-wide Window Cleaning at Seattle-Tacoma International
Airport by $2,000,000 to complete the initial 5-year contract and 2) procure a new up-to 5-years
contract starting in March 2025 for an estimated cost of $7,000,000. This commission
authorization will allow the Executive Director to execute an up-to five-year window cleaning
service contract through competitive procurement process at Seattle-Tacoma International
Airport through February 2030. 
EXECUTIVE SUMMARY
In 2019, Commission authorized a contact value of $3,000,000 for the airport-wide window
cleaning services to be selected through a competitive procurement process. The 5-year contract
was signed with a small minority business enterprise with an annual service cost to spend up to
$1.2M. 
The authorization took place before the service was procured. With the service being new, the 
percentage of the work being completed in a year was unknown at that time. Moreover, the
window cleaning contract started in March 2020 when the world went into the COVID-19
pandemic; therefore, there were significant budget cuts in the beginning of the contract term.
The department negotiated and lowered the budget by 96% in 2020, and 75% in 2021 with full
cooperation from the contractor. 

Template revised January 10, 2019.

             COMMISSION AGENDA – Action Item No. 8f                                   Page 2 of 8
Meeting Date: May 14, 2024 
A full-service year started in 2022, the contractor’s been successfully fulfilling the service up to
75-80% of the work annually since then. This request, for a contract authorization increase of
$2M, will carry us through 2024, and until February 2025 to fulfill the full contract term
commitment. The service will be advertised for a competitive procurement after that. Currently
the annual cost is included in the Aviation Maintenance Department operating budget and
captured in the department budget baseline; this request is for a contract authorization increase
only. 
The requested commission authorization of $9M would support the following essential aspects
of the service contract. 
1.     This request, for a contract authorization increase of $2M, will carry us until Feb. 2025
to fulfill the contract commitment for a small minority business enterprise. 
2.     Advertise, award, and execute Airport-Wide Window Cleaning Service contract in Q3
2024 competitively. The proposed pricing is expected to be higher due to inflation, an
8.66% increase in minimum wage since 2023, and cost of living increases. 
3.     The estimated cost captures the new facility coming online in the next 2 years such as
North Main Terminal Renovation, Concourse A Building Expansion for Delta Sky Club,
Concourse C expansion, Fire Station, and South Satellite Renovation. 
JUSTIFICATION
Approval of this request will allow the Port to fulfill the contract obligation to the current small
minority business enterprise.
Approval of this request will allow the Port to procure market value Window Cleaning Service
contract through a competitive process. 
Cleanliness of the Airport is one of the key areas of focus for the Aviation division, in its efforts
to improve the overall experience of our customers, position SEA as a premier airport and
advance the region as a leading tourism destination. One of the key elements of terminal
cleanliness is the cleanliness of the large glass curtain wall systems in Central Terminal, IAF and
IAF Suspended Bridge windows, Gina Marie Lindsey Arrival Hall, North Satellite, Exterior of Airline
Lounges, and other parts of the airport that provide access to interesting and incredible views of
the airport, airplanes, and surrounding region. As such, keeping those windows clean is an
important component of this overall effort. The service includes not only the airport terminal
buildings but also Airport Office Building (AOB) and other 16 standalone outlying facilities. 
New procurement of the service contract based on the current cleaning schedule and frequency
based contracting model used, while adjusting the contracting authority to better align with
actual costs experienced, will aid the Airport in meeting the standards set under increasing 
customer demands, the Port’s customer experience, economic growth and the women- and
minority- business enterprise (WMBE) aspirational goals. 

Template revised June 27, 2019 (Diversity in Contracting).

             COMMISSION AGENDA – Action Item No. 8f                                   Page 3 of 8
Meeting Date: May 14, 2024 
Approval of this request will allow the Port to procure market value service in accordance with
the Washington State’s prevailing wage structure will create more jobs, aid the Airport in meeting
the standards set under increasing customer demands, the Port’s customer experience,
Continuous Process Improvement (CPI), economic growth and the women- and minoritybusiness
enterprise (WMBE) aspirational goals. 
Diversity in Contracting 
Aviation Maintenance Facility Service Contact Management staff is working with the Diversity in
Contracting Department regarding setting the women- and minority- business enterprise
(WMBE) aspirational goals for contracted work. A 35% WMBE goal has been set by the Diversity
in Contracting Department for Airport-wide window cleaning service contract, based on that
determination we anticipate achieving a similar aspirational goal in the new procurement.
DETAILS 
The facility needs to be clean and well maintained to meet the Port’s customer experience
expectations in support of the Port’s Century Agenda goal to advance as a leading tourism and
business gateway of choice on the West Coast. 
The window cleaning at the airport is a high-risk task involving heavy equipment such as lifts, and
boson’s chairs suspended from the roof anchoring system. The Port recognizes that high bay
window cleaning was a unique specialty and decided to separate this service from the custodial
contracts in 2017. The work requires multiple department coordination delivering lifts through
from the Landside into Airside and airline cooperations to be on the Ramp with lift and the
window cleaning staff is at the airport daily to complete annual cleaning cycle from 1 to 4 cycles
based on customer demands. 
Port staff anticipate incorporating Labor Harmony language into the RFP for the service contract.
Aviation Maintenance staff has been coordinating with Labor Relations staff and Legal staff on
the specific language as each RFP is developed for the service contracts and will coordinate the
same effort throughout the process. 
Scope of Work
Increase contracting authority to fulfill the remaining work to support until February 2025. 
Advertise, award, and execute five-year Airport-Wide Window Cleaning service contract through
a competitive process in Q3 2024 and begin a new service in March 2025 at Seattle-Tacoma
International Airport to continue enhancing  customer experience. New facilities   that are
underway, North Main Terminal Renovation, Concourse A Building Expansion for Delta Sky Club,
Concourse C expansion, Fire Station, and South Satellite Renovation will be added to the scope
of work as they become online in the next couple of years.


Template revised June 27, 2019 (Diversity in Contracting).

             COMMISSION AGENDA – Action Item No. 8f                                   Page 4 of 8
Meeting Date: May 14, 2024 
Schedule
The following schedule represents the key areas and current frequency of the window cleaning
service at the airport. 
Cleaning
Facilities / Locations                       Square Footage       Frequency 
MAIN TERMINAL                       82,072 
CONCOURSE A:                         118,749 
A Concourse windows (AOB included)       104,094              x2 
Delta Sky Club Lounge, Exterior only          8,865                  x4 
United Club Lounge, Exterior only          960                   x4 
Club at SEA, Exterior only           960                    x4 
A20 Hardstand Slopped Walkway         3,870                x4 
CONCOURSE B:                          40,189 
B Concourse windows       35,593              x2 
Centurion Lounge, Exterior only          960                   x4 
B20 Hardstand Walkway        3,636                x4 
CONCOURSE C:                           83,714 
C Concourse Windows       78,421              x2 
Alaska Airlines Lounge, Exterior only         1,351                   x4 
C2, C10/12 & C14 Hardstand Sloped
Walkways        3,942               x4 
CENTRAL TERMINAL:                     24,505 
CT Windows        4,432                x2 
Central Terminal Window Curtain Wall        15,753                 x4 
Central Terminal above Checkpoint 3
(POSPD)         4,320                x4 
CONCOURSE D:                          26,659 
D Concourse windows       19,673              x2 
Alaska Airlines Lounge, Exterior only         2,072                   x4 
D6 Hardstand Sloped walkway        4,914                 x4 
SOUTH SATELLITE:                         31,577 
SSAT windows       17,784               x2 
Delta Sky Club/British Air Lounge, Exterior
only          2,605                  x4 
Club at SEA, Exterior only          1,536                   x4 
S1 Sloped Walkway        4,185                 x4 
S16 Sloped Walkway        2,492                x4 
International Corridor         2,975                   x4 

Template revised June 27, 2019 (Diversity in Contracting).

             COMMISSION AGENDA – Action Item No. 8f                                   Page 5 of 8
Meeting Date: May 14, 2024 
D HARDSTAND ANNEX                  21,841            x4 
NORTH SATELLITE:                        104,137 
NSAT Windows       95,220              x2 
Alaska Airlines Lounge, Exterior only         8,917                   x4 
INTERNATIONAL ARRIVALS FACILITY         67,849             x2 
AIRPORT GARAGE:                        9,089 
8th Floor Garage Elevator Lobby                   1,906                  x4 
4th Floor Light Rail Walkway - Lexan Glass          2,877                  x4 
3rd Floor Garage - Tree Glass                       2,275                  x4 
3rd Floor Shuttle Bus Stops - Tree Glass             1,401                  x4 
1st Floor NE Cruise Lot Lobby                        630                   x2 
OUTBUILDINGS:                          18,567 
Air Cargo 4                                          1,515                   x1 
Air Cargo 4E                                        1,308                  x1 
Air Cargo 4S                                          640                   x1 
Bus Maintenance Facility (BMF)/Airport
Transit Operations (ATO)                           1,200                  x1 
Central Procurement Office (CPO)
Logistics Trailer                                          658                     x1 
Customs Border Protection (CBP)                   300                  x1 
Distribution Center (DC)                             240                   x1 
Engineering (Water Tower)                        270                  x1 
Fire Department                                  3,360                 x2 
Gate E-045                                        648                  x2 
Gate E-125                                        588                  x2 
Industrial Waste Treatment Plant (IWTP)           1,500                  x1 
Learning Center                                    1,800                  x1 
North Employee Parking Lounge                  2,000                 x2 
Toll Plaza                                               1,870                    x2 
West Field Office / Survey Trailer                     670                    x1 
TOTAL Window Square Feet                   628,948 





Template revised June 27, 2019 (Diversity in Contracting).

             COMMISSION AGENDA – Action Item No. 8f                                   Page 6 of 8
Meeting Date: May 14, 2024 
The table below shows continuation of the exiting contract and new service start date: 
Commission Contracting authorization for       2024 Quarter 2 
existing contract 
Existing Contract Continues                      2024 Quarter 2 – Feb. 28, 2025 
In-use date for New Window Cleaning          March 1, 2025 
Contract 
Cost Breakdown                                     This Request           Total Project 
Increase in Contracting Authority from Q2                $2,000,000.            $2,000,000. 
2024 - Feb 2025 
New Contracting Authority from Mar. 2025              $7,000,000.            $7,000,000. 
– Feb. 2030 
Total                                                        $9,000,000.             $9,000,000. 

ALTERNATIVES AND IMPLICATIONS CONSIDERED 
Alternative 1 – Suspend the service until new contract is advertised, awarded and executed. 
Cost Implications: $7,000,000.00 
Pros:
(1)   This alternative saves the Port estimated cost of $2M for the next year and reduces
workload for the Airport staff. 
Cons:
(1)   This alternative could allow legal issues and negative outcome in contracting. 
(2)   This alternative would allow negative outcome in customer experience.
(3)   Thei alternative would allow contracted employee in a risk of losing jobs. 
This is not the recommended alternative. 
Alternative 2 – Request for contracting authority only for the new contract procurement and 
start a new service procurement immediately. 
Cost Implications: $7,000,000.00 
Pros:
(1)   This alternative saves the Port $2M now. 
Cons:
(1)   This alternative does not save the Port in a long run. 
(2)   New procurement under the current cost increase and lasting fear of inflation could
cost the Port more than the fixed cost for the next year. 
(3)   This alternative could take longer than 3 months the Port may need to suspend the
service more than anticipated. 
(4)   This alternative could potentially lay off contracted employees. 
This is not the recommended alternative. 

Template revised June 27, 2019 (Diversity in Contracting).

             COMMISSION AGENDA – Action Item No. 8f                                   Page 7 of 8
Meeting Date: May 14, 2024 

Alternative 3 – Approval on Contracting Authority increase by $2M for uninterrupted service and
Approval on $7M Contracting Authority to Advertise, award and execute new 5-year contract in
Q3 2024 for the new service to start on March 1, 2025. 
Cost Implications: $9,000,000.00 
Cost Breakdown                                       This Request 
Increase in Contracting Authority from Q2                $2,000,000. 
2024 - Feb 2025 
New Contracting Authority from Mar. 2025              $7,000,000. 
– Feb. 2030 
Total                                                        $9,000,000. 

Pros:
(1)   This alternative allows for the Port to fulfill the existing contract with a small minority
owned business enterprise.
(2)   This alternative allows the Port to continue the service without interruptions for
customer experience. 
(3)   This alternative provides opportunities to revise the current contract terms. 
Cons:
(1)   None. 
This is the recommended alternative. 
FINANCIAL IMPLICATIONS 
Cost Estimate/Authorization Summary               Capital        Expense          Total 
COST ESTIMATE 
Original estimate for the 1st 5-year Svc Contract            $0      $3,000,000     $3,000,000 
Increase existing contract through February 2025         $0      $2,000,000     $2,000,000 
New Contract March 2025 through February 2030        $0     $7,000,000     $5,000,000 
Total Estimate through February 2030                           $12,000,000    $12,000,000 
AUTHORIZATION 
Previous authorizations for the 1st 5-year contract         $0      $3,000,000     $3,000,000 
Current request for authorization                          $0      $9,000,000     $9,000,000 
Total authorizations, including this request                 $0     $12,000,000    $12,000,000 
Remaining amount to be authorized after this             $0              $0             $0 
request 

Template revised June 27, 2019 (Diversity in Contracting).

             COMMISSION AGENDA – Action Item No. 8f                                   Page 8 of 8
Meeting Date: May 14, 2024 
Annual Budget Status and Source of Funds 
The window cleaning service costs of $1,011,000 were included in the approved 2024 Aviation
Maintenance’s annual operating budget. The funding source will be the Airport Development
Fund.
Future Revenues and Expenses (Total cost of ownership) 
N/A. 
ADDITIONAL BACKGROUND
N/A. 
ATTACHMENTS TO THIS REQUEST
(1) Presentation 
PREVIOUS COMMISSION ACTIONS OR BRIEFINGS 
March 26, 2019 – The Commission authorized the Executive Director to execute the Airport-
Wide Window Cleaning for Seattle-Tacoma International Airport. 










Template revised June 27, 2019 (Diversity in Contracting).