Item No.      11c_supp
Date of Meeting    April 12, 2022

C Concourse Expansion

Project Briefing
April 12, 2022

Agenda
Briefing Purpose
Project Purpose
Project Location
Expansion Renderings
Sustainability Initiatives
Budget and Schedule

2

Briefing Purpose
Update Commission on design, sustainability, and budget
status.



3

Project Purpose
Increase airport revenue through
Increase Airport Dining and Retail offerings
Increase leasable office space
Increase airline lounge capacity
Improve Customer Service by:
Increase C3 holdroom size
Add passenger amenities (restrooms, meditation room, nursing
rooms)
Increase economic opportunities
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Project Location

Concourse D                                                                Concourse C
Building C1




5

Expansion Status and Renderings


6

Project Status
The CCE Program consists of the main C Concourse Expansion
(CCE) design package and three accelerated design packages:
Main CCE package: 30% complete, 60% due late Q3 2022
Civil and Structural foundation package: 100% designed and bid
Tenant relocation design package: 90% complete
Structural Steel design package: 60% complete


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Building Exterior



8

Performance Stair



9

Mezzanine



10

Public Lookout



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Sustainability Initiatives


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Budget and Framework
Sustainable Evaluation Framework: Airport's first Tier 3
Estimated environmental sustainability impacts from project
Brainstormed reduction strategies, and evaluated costs and benefits
Presented recommendations to SEA leadership, and the Commission
Sustainability, Environment, and Climate Committee (SEAC)
Costs to implement initiatives not included in original budget


13

CCE: Baseline Sustainability Impacts
Without intervention or sustainability strategies:
Energy increases by 21,000 MMBTU/year
Carbon increases by 620 tonnes/year
Solid waste increases by 488 tons/year
Increased transportation demand for employees
No adverse impacts on equity but project could provide
opportunities to support tenant employees

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Recommendations
Carbon/Energy Strategies
Tenant all electric hot water and cooking
Fossil-fuel free heating (heat pumps)
Rooftop photovoltaics
Reduce carbon 90%
Meet 47% of new energy load with low carbon sources
and renewables
Equity Strategies
Employee break room
New food donation storage reduces waste by ~3%
First cost: $11M and TCO: $13M
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Budget and Schedule


16

Budget Overview
Original Estimate                               $340M-$510M
MII Approved Budget                        $340M
Spent to Date                                 $9.2M
Estimate Trends
Sustainability Initiatives (includes soft costs) $10.4M
Non-Discretionary Scope Changes $24M
Escalation and Scope Definition $32.6M
Current Range $340M $420M
17

Program Contingency Status
Available Program Contingency is $30 Million
Project team is assessing how much of this contingency can be
allocated against Estimate Trends
Evaluating Risk Register against available contingency


18

Schedule Milestones
2022 Commission Dates
April 26: Authorization for Baggage Transfer Line Budget Transfer
June 14: Authorization for Structural Steel Package Funding
September 27: Project Briefing
Construction Milestones
Q2 2022: Start structural foundations and civil work
Early Q4 2022: Start TSA relocation from existing C1 Building
Q2 2023: Start building structural steel
Early Completion Q1 2026
Late Completion Q2 2027
19

Questions?

20

Cone of Certainty

W e are here




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