COMMISSION 
AGENDA MEMORANDUM                        Item No.          6h 
ACTION ITEM                            Date of Meeting      August 11, 2020 
DATE:     August 3, 2020 
TO:        Stephen P. Metruck, Executive Director 
FROM:    Wayne Grotheer, Director, Aviation Project Management 
Janice Zahn, Assistant Engineering Director, Construction 
SUBJECT:  Funding Request C800697 Restroom Upgrades Concourses B, C and D 
Amount of this request:                 $350,000 
ACTION REQUESTED 
Request Commission authorization for the Executive Director to increase the authorized
spending for the Restroom Upgrades Concourses  B, C,  and D project at Seattle-Tacoma 
International Airport by $350,000, of which $232,000 are COVID-19 related. 
EXECUTIVE SUMMARY 
This request is for additional authorized spending for the Restroom Upgrades Concourses B, C, 
and D project to meet its current and expected payment obligations for two construction 
contracts completing the second and third phases of the project. It includes COVID-19-related
costs of $232,000 and would bring the total project authorization to $18,142,000. 
During construction, multiple change orders were required to compensate the Phase 2
contractor for issues encountered including the cost impacts of COVID-19. On May 21, 2020,
staff notified the Commission of the execution of cumulative contract change orders exceeding
25% of the contract value, as required by Resolution No. 3605, paragraph 4.2.3.8. Construction
issues for the Phase 2 contract continues to require change orders, with the cumulative amount
now exceeding 33% due mostly to varying site conditions. In addition, both Phase 2 and Phase 3
construction contracts have incurred COVID-19 costs, as reported to the Commission in the
monthly reports provided under Commission Motion 2020-09. 
Staff had previously planned to include the additional project authorization for increased Phase
2 and Phase 3 construction costs into the larger request for Commission action scheduled for
September to support Phases 4 and 5 of the project. Several factors have resulted in this
separate request proceeding now for funds to support Phase 2 and Phase 3. The project has
incurred high change order costs, as described above. The project team under-forecasted
commitments that exceeded the project's authorization. Staff will implement new tools and
processes to prevent reoccurrence. A more thorough lessons learned process is underway, but

Template revised January 10, 2019.

COMMISSION AGENDA  Action Item No. _6h___                              Page 2 of 3 
Meeting Date: August 11, 2020 
the urgency of this request does not allow the results to be included here. Staff can discuss this 
in more detail during the Commission meeting and will report these results in writing to the
Commission at a later date. 
JUSTIFICATION 
This action is required for the Port to meet its obligations and pay for work that has now been
completed. 
DETAILS 
This is a five-phased project. The Phase 1 enabling project completed in 2018. Construction for
the Phase 2 enabling project substantially completed in June. These enabling projects created
space in the public areas of the concourses for new public restrooms. The remaining phases,
Phases 3 through 5, construct the restrooms. Phase 3 restroom construction is underway and
anticipated to be complete in August. Phases 4 and 5 restroom construction will follow in 2021
and 2023. Phases 2 and 3 are the subject of this request. 
On January 8, 2019, the Port opened bids for MC-0319267, the construction contract for Phase 
2. The low bid at $4,244,000 was $322,000 or 8.2% over the Engineer's Estimate of $3,922,000.
At that time staff evaluated the project budget and determined that the project could proceed
and that the project budget could absorb this cost increase. 
Substantial completion was issued for Phase 2 construction in June, with minor follow-up work
remaining. Since the May 21 Commission notification of over 25% cumulative change orders
issued, further change orders have been required and the total now exceed 33% due to
multiple issues. The causes included varying site conditions (21.2%), tenant requested changes
(3.3%), scope changes (0.6%), designer error and omissions (5.3%), owner error and omission
(1.1%), regulatory requirements (1.4%), and COVID-19 (2.6%). These costs were provided as a
part of the May 21 Commission notification. Examples of the varying site conditions included 
the need to reroute and re-support ventilation system ductwork to avoid unforeseen site
obstructions and the need to update the fire protection system to current standards. 
ALTERNATIVES AND IMPLICATIONS CONSIDERED 
Staff evaluated alternatives including stopping all work or reducing scope to fit the remaining
budget and none were viable for this situation. 
FINANCIAL IMPLICATIONS 
Authorization Summary                           Capital        Expense           Total 
AUTHORIZATION 
Previous authorizations                         $17,751,000         $41,000     $17,792,000 
Current request for authorization                  $118,000               $0        $118,000 

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

COMMISSION AGENDA  Action Item No. _6h___                              Page 3 of 3 
Meeting Date: August 11, 2020 
Motion 20-09 authorization increase               $232,000              $0        $232,000 
Total authorizations, including this request      $18,101,000         $41,000     $18,142,000 
Future Phase 4/5 Authorization (pending)       $43,858,000              $0     $43,858,000 
Remaining amount to be authorized           $20,237,000              $0    $20,237,000 
Annual Budget Status and Source of Funds 
This request does not change the project budget or source of funds. 
ADDITIONAL BACKGROUND 
This project renovates existing restrooms and constructs new restrooms for public use on
Concourses B, C, and D at Sea-Tac International Airport. These new restrooms will offer
improvements to facilities used by nearly all travelers through the airport and offer
improvements to a key measure in the Airport's user satisfaction surveys. 
ATTACHMENTS TO THIS REQUEST 
None. 
PREVIOUS COMMISSION ACTIONS OR BRIEFINGS 
July 29, 2020  The Commission was notified of change orders exceeding 10% of the original
contract amount for Phase 3. 
May 21, 2020  The Commission was notified of change orders exceeding 10% and 25% of
the original contract amount for Phase 2. 
September 24, 2019  The Commission authorized execution of a construction contract for
Phase 3 of this project that was more than 10% over the engineers estimate and
authorized additional construction funds for $1,200,000. 
September 12, 2019 -The Commissioners and Executive Director Metruck received an
Executive Response from Aviation Managing Director Lyttle  regarding All-Gender
Restrooms. 
February 26, 2019  The Commission was briefed by staff on a recommendation to move
forward with motion to develop a Seattle-Tacoma International Airport gender inclusive
restroom plan. 
October 23, 2018  The Commission authorized construction of Phase 2 and Phase 3 of this
project for $8,969,000. 
October 23, 2018  The Commission was briefed on the status of the motion to develop a
Seattle-Tacoma International Airport gender-inclusive restroom plan. 
May 22, 2018  The Commission heard a motion to develop a Seattle-Tacoma International
Airport gender-inclusive restroom plan. 
September 12, 2017  The Commission authorized construction of Phase 1 of this project
for $2,536,000 
July 12, 2016  The Commission authorized the design for $5,087,000. 

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