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Orange County Sanitation District Headquarters
Orange County Sanitation District Headquarters
Fountain Valley, CA, United States
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Other Projects by HDR
Orange County Sanitation District Headquarters
Fountain Valley, CA, United States
Firm
STATUS
Built
YEAR
2024
SIZE
100,000 sqft - 300,000 sqft
OCSan’s Headquarters is both a community asset and workplace for 300+ employees. It elevates civic infrastructure with regenerative design and sustainable, cost-effective stewardship. As Southern California’s first mass timber, net-zero energy building for a public utility, it translates the client’s commitment to employee wellness, community engagement and high-performance sustainability – achieving LEED Gold certification, and on track for ILFI Zero-Energy.
Using biophilic and hardworking materials simply and beautifully, it reflects the engineering honesty of the client as architecture. For example, the mass timber diagrid roof spans the two-story lobby, custom perforated acoustic clouds in open office areas combine chilled beams, electrical, data, and life-safety components in a simple rectangular tray, and are easily accessible to accommodate change over time.
The boardroom is designed to open into the lobby for all-staff celebrations and community events. Informative and entertaining exhibits in the lobby chronicle OC San’s history—making visible the essential role of wastewater treatment in the modern world and sharing why and how the headquarters’ building continues the agency’s commitment to sustainability.
The narrow floor plates of two parallel workplace wings are optimized for passive shading and equitable access to light and views to nature and joined via centralized collaboration, nourishment and respite areas. Office wings are subdivided into smaller scale workplace “neighborhoods” via carefully placed collaboration rooms, and large workstations with low partitions provide a balance of privacy while maintaining views for all.
Outside, tech-supported terraces overlooking the courtyard and in the garden offer a variety of informal, secure collaboration spaces. An optimized building envelope featuring silicon-glazed curtain wall and terracotta rain screen performs in the high-pollution, high-salt environment of the site, located between a freeway and the Pacific Ocean. Designed to last for decades, the building has both the flexibility and durability needed to meet OC San’s long-term goals.
Using biophilic and hardworking materials simply and beautifully, it reflects the engineering honesty of the client as architecture. For example, the mass timber diagrid roof spans the two-story lobby, custom perforated acoustic clouds in open office areas combine chilled beams, electrical, data, and life-safety components in a simple rectangular tray, and are easily accessible to accommodate change over time.
The boardroom is designed to open into the lobby for all-staff celebrations and community events. Informative and entertaining exhibits in the lobby chronicle OC San’s history—making visible the essential role of wastewater treatment in the modern world and sharing why and how the headquarters’ building continues the agency’s commitment to sustainability.
The narrow floor plates of two parallel workplace wings are optimized for passive shading and equitable access to light and views to nature and joined via centralized collaboration, nourishment and respite areas. Office wings are subdivided into smaller scale workplace “neighborhoods” via carefully placed collaboration rooms, and large workstations with low partitions provide a balance of privacy while maintaining views for all.
Outside, tech-supported terraces overlooking the courtyard and in the garden offer a variety of informal, secure collaboration spaces. An optimized building envelope featuring silicon-glazed curtain wall and terracotta rain screen performs in the high-pollution, high-salt environment of the site, located between a freeway and the Pacific Ocean. Designed to last for decades, the building has both the flexibility and durability needed to meet OC San’s long-term goals.
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