Concourse HVAC Infrastructure Renewal and
Replacement Program (CHIRRP)
Seattle-Tacoma
International Airport
Item No. 8k_supp
Meeting Date: March 14, 2023
Aging Infrastructure Impacting Critical Programs
2
Airport Dining and Retail Restroom Renovations
Passenger Amenities
Maintaining Our Assets: Investing In Our
Current Facility
3
Concourse B
Last Renovated 1990
(31 years)
Concourse C
Last Renovated 1990
(31 years)
Concourse D
Last Renovated 1990
(31 years)
CHIRRP PROJECT PLANNING
4
Phased
Construction
Design /
GCCM
Project
Definition
Document
Planning
We are here
5
CHIRRP
Concourse HVAC
Infrastructure Renewal &
Replacement Program
• Renew and Replace Aging Air
Handler and HVAC Infrastructure
• Refurbishment/Replacement of
associated utilities
• Address relevant code compliance
issues
• Ceiling & Lighting renewal and
replacement
• Ceiling mounted
equipment/signage renewal and
replacement
CHIRRP PROJECT SCOPE SUMMARY
CHIRRP Alternatives Comparison
6
Scope Items Included in Program
Alt 3
(Recommended)
Alt 2
(Highest Cost)
Replace, Refurbish, or Add Supplemental Air Handlers X X
Emergency Power System Upgrades X X
Upsize and Replace Hydronic Heating Water Distribution and Chilled Water Distribution X X
Concourse Ceiling Replacement (No Holdrooms or ADR) X X
Fire Sprinkler, Fire Risers, Exit Signs X X
Security Camera Updates X X
Ceiling Mounted Signage X X
Raise Roof Structure to Raise Concourse Ceilings X
Ceiling Replacement in Circulation, Holdroom, and ADR/Tenant Spaces X
Complete Air Distribution System Re-design X
ENERGY
REDUCTION
• Opportunity for energy
reduction with HVAC
refresh, efficient LED
lighting, and updated
lighting controls.
• Compliance Evaluation with
upcoming State of
Washington Clean Buildings
Performance Standards
• Contribute to Century
Agenda goals around energy
efficiency, reducing SEA’s
footprint and lowering
costs.
8
Project Schedule
*Schedule to be further refined within the Project Definition Document (PDD)
**Project will return to commission for remaining design authorization and
further updates near completion of the PDD in Q3/2024.
Commission PDD Authorization 2023 Quarter 1
Commission Design Authorization (through 30%) 2023 Quarter 1
PDD Start 2024 Quarter 1
**Commission Remaining Design Authorization 2024 Quarter 3
Design Start
2025 Quarter 1
Commission Construction Authorization 2027 Quarter 2
Construction Start 2027 Quarter 3
In-use date 2031 Quarter 3
Questions?
9
