Healthcare facilities function as complex, interdependent systems in which the failure of a single infrastructure component can cascade across clinical operations. Electrical, mechanical, plumbing, medical gas, and vertical transportation systems operate together to support patient care environments. When one system fails or operates beyond its capacity, the consequences can quickly propagate through clinical spaces, affecting patient safety, operational continuity, and regulatory compliance.
Electrical and Essential Power Systems
The NFPA 99 Health Care Facilities Code establishes stringent performance standards for essential electrical systems within healthcare environments to protect life safety and maintain continuity of critical clinical operations (National Fire Protection Association, 2021). The code requires hospitals and other healthcare facilities to provide reliable and redundant electrical infrastructure capable of supporting patient care functions during both normal operations and utility disruptions.
Essential electrical systems are typically organized into three branches: life safety, critical, and equipment. Each branch prioritizes power delivery to systems necessary for patient safety and facility operation, including emergency lighting, fire detection and alarm systems, medical gas alarms, critical care equipment, and vital building infrastructure.
Healthcare expansion projects frequently introduce new clinical technologies, imaging equipment, surgical suites, and patient care environments that substantially increase electrical demand. Without a comprehensive evaluation of existing infrastructure, these projects can exceed the capacity of service entrances, switchgear, distribution panels, or emergency power systems. Inadequate generator capacity, insufficient automatic transfer switch configuration, or limited fuel supply duration may compromise the redundancy and reliability required under NFPA 99.
When expansion occurs without aligning infrastructure capacity to increased electrical loads, facilities risk code noncompliance, operational vulnerability during power interruptions, and potential disruption to critical patient care functions. Proactive electrical infrastructure assessments during early planning phases allow healthcare organizations to verify available capacity, evaluate system redundancy, and plan targeted upgrades that support long term campus growth while maintaining operational resilience.
The U.S. Department of Energy has identified hospital energy infrastructure as particularly vulnerable during peak load events and extreme weather, emphasizing the importance of resilient electrical systems, distributed energy strategies, and microgrid integration to support critical healthcare operations (DOE, 2022).
Historical Examples of Infrastructure Risk
Deferred infrastructure investment and aging systems can create latent risk that becomes visible during operational stress events or expansion activity.
VA Network Deferred Maintenance Backlog
A Department of Veterans Affairs Office of Inspector General review reported that deferred maintenance costs within a VISN level network increased from $599.3 million in FY2012 to $1.4 billion by March 2021. During this same period, only 18 percent of approved nonrecurring maintenance projects were executed. The review identified engineering staffing shortages, planning misalignment, and weak performance metrics as contributing factors.
The report directly linked deferred maintenance to increased risk of service interruptions, environmental hazards, accidents, and rising operational costs.
Implication for expansion: when maintenance backlogs accelerate while execution capacity declines, initiating major expansion programs without stabilizing infrastructure renewal pipelines increases the likelihood that underlying system deficiencies will manifest as operational failures during construction or early occupancy.
Extended Outage Stress in Rural Hospitals
A rural emergency preparedness case study documented a December 2021 power outage at San Luis Valley Health Regional Medical Center. Although the hospital expected a two-hour outage, the disruption lasted approximately 4.5 hours, creating significant operational strain during the COVID period, while ventilated patients required continuous care.
The event revealed critical gaps in emergency power distribution. Steam pumps supporting heating systems were not connected to emergency power, and kitchen refrigeration systems were also excluded from backup circuits. Hospital staff implemented contingency measures, including emergency engineering workarounds, ice procurement, and temporary refrigeration trucks to maintain safe operations.
Implication for expansion: rural hospitals often operate with limited capital reserves and smaller engineering teams. When aging infrastructure and resilience gaps intersect, expansion projects introduce additional load, operational complexity, and construction risk to already fragile systems.
Successive Power Failures and Patient Evacuation in Los Angeles
In August 2023, Adventist Health White Memorial Medical Center in Los Angeles experienced successive power outages following Tropical Storm Hilary. The disruptions resulted in the evacuation of 28 critical care patients to other hospitals and the relocation of 213 additional patients within the facility. Emergency operations were further complicated by elevator outages and urgent patient transport challenges.
Implication for expansion: infrastructure failures trigger immediate operational disruption, reputational exposure, and unplanned financial impacts. They can also force hospitals to reprioritize capital programs, delaying expansion initiatives and increasing project costs through schedule changes and construction modifications.
ARCHSOL Project Experience
Yuma Regional Medical Center Central Plant Modernization
- Owner: Onvida Health
- Architect of Record: ARCHSOL
- Mechanical, Plumbing, and Electrical Engineer: DHE Engineers
- Structural Engineer: Vertex Consulting Structural Engineering
This project involved the replacement of aging cooling towers, chiller units, and associated plumbing equipment within the hospital’s existing central utility plant. The work included the removal of existing cooling towers, chillers, pumps, and piping systems that supported the facility’s chilled water infrastructure.
The project installed new cooling towers, chillers, pumps, and upgraded plumbing systems designed to improve operational reliability and long term performance. New piping infrastructure, electrical equipment, and concrete housekeeping pads were constructed to support replacement equipment and ensure proper installation, structural stability, and serviceability of the mechanical systems.
By modernizing the chilled water infrastructure within the central plant, the project strengthened the reliability of the hospital’s cooling systems and reinforced the operational backbone that supports clinical spaces across the campus.
Expansion Impact
The central utility plant modernization was a foundational component supporting broader campus expansion. The multi-phased program includes construction of a new three-level emergency department building, radiology expansion, additional support services, underground parking, a new oxygen farm, a campus interior ring road, and a network of utility and pedestrian tunnels.
The expansion program adds approximately 380,000 square feet of new clinical and support space, including a 72-exam-room emergency department, an elevated dual helipad, an underground parking level, and integrated utility infrastructure connecting new and existing buildings.
By strengthening the central plant infrastructure before expansion proceeded, the project increased system capacity and reliability, ensuring that the campus utility backbone could support the new clinical facilities and future operational growth.
About ARCHSOL, LLC
ARCHSOL is an Arizona-based healthcare architecture and planning firm focused on designing high-performing environments that support clinical care, operational efficiency, and long-term adaptability. The firm partners with health systems and providers on projects ranging from ambulatory facilities to major hospital expansions, bringing a strong understanding of complex healthcare environments, infrastructure, and phasing within active campuses. ARCHSOL integrates Real Time Visualization into its workflow to help stakeholders experience spaces early, align decisions, and reduce uncertainty. With a collaborative, hands-on approach, the team delivers thoughtful solutions that simplify complexity and support both providers and the communities they serve.
Media Contact: Matthew Knapp | Marketing and Communications | Email: mknapp@archsol.wpenginepowered.com