海角视频

Terminal Modernization at Pittsburgh International Airport

Pittsburgh, PA, USA

海角视频 played a foundational role in turning an ambitious architectural idea into a high鈥憄erforming airport terminal that is the right size for today鈥檚 Pittsburgh and adaptable for the airport鈥檚 future evolution. 

The Terminal Modernization Program reorganizes the passenger journey by bringing a new landside terminal directly to the existing airside building, removing the operational dependence on an Automated People Mover (APM) and repurposing legacy spaces to reduce cost and improve efficiency. 

Delivering services across mechanical, electrical, plumbing, and fire protection (MEPFP), energy analysis, life cycle cost analysis, and lighting, our team shaped the terminal from the earliest decisions through detailed coordination, embedding integrated MEPFP and performance thinking in every move, from daylight and comfort to energy distribution strategy and controls.

In partnership with Gensler and HDR, with luis vidal + architects, we aligned systems with the architecture鈥檚 鈥渟ingle roof鈥� concept and 鈥渞olling鈥慼ills鈥� silhouette, so the building鈥檚 form, comfort, and energy systems work as one. The result is a civic gateway designed around clarity, comfort, and operational value for the airport, airlines, and the community.

海角视频 shaped the terminal design from concept, embedding MEPFP and energy strategies into the architectural design.

We delivered displacement ventilation, energy recovery, and shading systems to balance daylight, comfort, and energy use.

Our experts developed a phased chiller replacement plan and integrated new controls into the existing BMS to cut lifecycle costs while maintaining operational resilience.

We provided architectural lighting design for parts of the existing airside terminal to support clarity, energy efficiency and integrated controls.

Challenge

The project asked us to rebalance an airport built for hub鈥慳nd鈥憇poke transfers into an origin鈥慳nd鈥慸estination terminal tailored to Pittsburgh鈥檚 current travel patterns. That meant expanding and clarifying the landside experience while simplifying connections to airside, without the APM that once moved passengers between distant buildings. This shift had major implications for systems planning, phasing, and lifecycle cost.

The architecture鈥檚 large, open volumes and the roof鈥檚 undulating 鈥渞olling hills鈥� profile elevated the stakes for thermal comfort, daylight, and glare control in a climate that swings from icy winters to hot, humid summers, sometimes within the same day. Highly glazed areas and skylight interfaces created potential for downdrafts and condensation in winter, while solar gains and long queuing times raised the risk of overheating and discomfort for staff and passengers.

The baggage hall geometry and entry鈥慹xit relationships introduced stack鈥慹ffect and airflow challenges that routine approaches would not solve, and the back鈥憃f鈥慼ouse demanded meticulous planning to keep services discreet within signature architectural elements such as the terminal鈥檚 distinctive tree columns.

Critically, the program had to integrate with legacy campus infrastructure. The original central plant dated to 1992, with aging chillers on obsolete refrigerants. The airport needed a plan that protected service continuity, paced capital outlay, and reduced carbon and operating cost without forcing wholesale replacement on day one. Given that this is a public鈥慺acing project of regional pride, the team had to deliver all of this while keeping a clear narrative for stakeholders, coordinating intensively with the client and contractors, and making sure the behind鈥憈he鈥憇cenes engineering was as well considered as the public spaces.

Video: Wendell Weithers.

Solution

Our approach was to integrate performance early and keep it visible. We used whole鈥慴uilding energy modeling and a single analysis model to test thermal loads, compare conservation measures, and calibrate system sizing to the actual behavior of the architecture. That analytical backbone informed a displacement鈥憇tyle ventilation strategy in key areas like the baggage hall. By supplying low鈥憀evel air through displacement style diffusers and between fixed elements, we preserved the open ceiling language, improved stratification control, consolidated maintenance to non-public areas, and reduced fan energy, all while creating a calmer acoustic and visual environment.

We validated comfort with detailed studies, including computational fluid dynamic (CFD) modeling for the baggage hall, to manage stack effect and protect worker and passenger comfort at peak conditions. Addtitionally, we utilized our CFD model to make key decisions on comfort and conditioning of the baggage handling equipment spaces, where baggage tugs and airport facilities operate nearly 24 hours a day. We used these analytics to best determine locations for spot cooling, eliminate areas of potential freezing, and maximize efficiency of baggage distribution.

We paired an outside鈥慳ir economizer with total energy recovery wheels to maximize seasonal efficiency and trim peak loads. That core system is complemented by targeted perimeter strategies. Custom finned鈥憈ube radiators along the facade temper downdrafts, mid鈥憀evel finned鈥憈ube radiators mitigate cold鈥慻lass effects where glazing exceeds 16ft, and pedestal finned鈥憈ube radiators at skylight valleys prevent winter condensation. Together, these measures support comfort through Pittsburgh鈥檚 extreme swings without oversizing central plant. Where long solar exposure intersects with queues or staff workstations, we integrated automated shading to protect comfort and reduce cooling energy.

Because right鈥憇izing also means right鈥憄hasing, we studied the existing chiller plant and recommended a measured replacement sequence over several years. The plan considers refrigerant leakage rates, global warming potential, energy cost, and payback, allowing the airport to upgrade units in turn rather than take on a single capital spike, while maintaining reliability for the modernized terminal. We also maintained a clear separation between new and legacy systems where it made economic sense, then collaborated with the client to create a building management system with the airport that integrates legacy controls into a long鈥憈erm, maintainable platform.

Collaboration was continuous and hands鈥憃n. Our Pittsburgh鈥慴ased team worked side by side with the wider design team and the client, from concept through construction documents and beyond, using BIM to coordinate services and using a shared construction administration platform to quickly share observations and solutions to on-site challenges. We organized air handling and power distribution to clarify what could be shared between landside and airside and what needed to remain distinct, which improved resilience and simplified maintenance. The effort extended to the smallest details, such as discreetly routing life鈥憇afety devices through the tree columns and keeping plantrooms and back鈥憃f鈥慼ouse routes legible for operations.

Our analytics and engineering judgment shaped key decisions about comfort, envelope, and systems that make the building inherently efficient rather than simply compliant with a checklist. Optimizing our global engineering breadth and local engineering depth, we could draw on international airport experience while being on site and immediately responsive to contractors and the airport authority. That accessibility accelerated decisions and reduced friction during delivery.

Additionally, our lighting experts provided architectural lighting design for the arrival sequence at the apron level for international passengers, from escalators through baggage pickup to passport control.

Value

The modernization sets a new standard for an airport that is truly of its city. By relocating landside next to airside and retiring the APM, the program eliminates a major maintenance burden, reduces unnecessary travel time, and consolidates operations into a clearer, more efficient terminal.

The architecture echoes Pittsburgh鈥檚 hills and river valleys, while the passenger journey mirrors the iconic experience of emerging from the Fort Pitt Tunnel into the skyline. Our engineering and consultancy helped to make that narrative practical and comfortable, with daylight managed, queues protected, and spaces that feel open without sacrificing performance.

Operational value is built in. Displacement ventilation and energy recovery reduce fan power and peak loads. The finned鈥憈ube strategy curbs drafts and condensation risk at the envelope. Automated shading and careful glazing placement improve staff and passenger comfort. These choices complement a phased plant strategy and an integrated BMS that together control lifecycle cost and de鈥憆isk future upgrades. Our BIM鈥慸riven coordination saved ceiling space, simplified maintenance access, and supported faster, cleaner fit鈥憃ut, translating directly into contractor efficiency and a more resilient building for the owner.

For the client, our value lies in integration. We helped organize the terminal, tested and validated strategies before they were built, and stood shoulder to shoulder with the architects, the airport authority, and contractors through decisions large and small. The clarity of the back鈥憃f鈥慼ouse, the calm of the public realm, the efficiency of the systems, and the pragmatism of the phasing all reflect that integrated approach. Completed in 2025, the modernized terminal was designed to perform from day one and to adapt gracefully as needs evolved. It has become a benchmark for how our insight and design input can unlock an architectural vision and deliver enduring value for an airport, its partners, and the city it serves.