By, J&F India


In the world of engineering and construction, not all buildings are created equal. The engineering requirements for a data center differ dramatically from those of a hospital, which in turn have little resemblance to airport infrastructure demands. Understanding these differences is critical for delivering successful projects that meet operational needs, regulatory standards, and user expectations.

At J&F India, with over 400 engineers across five countries and 25 years of experience delivering complex projects, we specialize in tailoring engineering solutions to meet the unique demands of diverse facility types. This comprehensive guide explores how engineering requirements differ across three mission-critical facility types: data centers, hospitals, and airports.

Understanding the Fundamentals: Why Engineering Requirements Vary

Before diving into specific differences, it’s important to understand why engineering requirements vary so dramatically between facility types. The answer lies in three fundamental factors: operational criticality, user needs, and regulatory frameworks. Data centers house the digital infrastructure that powers modern business and communication. Any downtime translates directly into massive financial losses and service disruptions. Hospitals are life-critical environments where engineering systems directly impact patient outcomes and survival. Airports serve as complex transportation hubs requiring seamless coordination between passenger comfort, security, operational efficiency, and safety. Each facility type operates under different regulatory regimes, serves different user populations, and has unique operational characteristics that shape engineering design from concept through commissioning.

Data Center Engineering Requirements: Precision and Redundancy

Power Systems: The Lifeblood of Operations

Data centers demand a robust and intricate network of mechanical, electrical, and plumbing (MEP) systems that operate in coordination to maintain optimal environmental conditions, ensure uninterrupted power supply, and safeguard critical IT equipment. The electrical infrastructure of a data center is unlike any other building type. Power density in modern data centers can reach 200 watts per square foot or higher, compared to 5-10 watts per square foot in typical office buildings. This massive power requirement drives every aspect of electrical system design. Data center power systems require multiple levels of redundancy, typically classified as Tier I through Tier IV based on the Uptime Institute standards. A Tier IV data center, offering 99.995% uptime, requires fully redundant power distribution paths, N+1 UPS systems, and generator capacity that can sustain operations indefinitely.

Electrical design considerations include:

Uninterruptible Power Supply (UPS) Systems: Battery-backed UPS systems bridge the gap between utility power loss and generator startup, typically providing 10-15 minutes of runtime. These systems must be sized not just for IT load but also for critical cooling equipment.

Emergency Generator Systems: Diesel or natural gas generators provide long-term backup power. Unlike hospitals where generators support life safety systems, data center generators must power the entire facility including massive cooling loads.

Power Distribution Architecture: Multiple power distribution paths ensure that single points of failure do not cause downtime. This includes redundant transformers, switchgear, and power distribution units (PDUs).

Power Quality and Conditioning: IT equipment is sensitive to power quality issues. Harmonic filtering, voltage regulation, and transient suppression are critical components of data center electrical design.

Cooling Systems: Fighting the Heat Battle

The most distinctive engineering challenge in data centers is thermal management. IT equipment generates enormous heat loads that must be continuously removed to prevent equipment failure and maintain optimal operating temperatures.

Cooling system design strategies include:

Precision Air Conditioning: Unlike comfort cooling in offices, data center cooling requires tight temperature and humidity control. Computer Room Air Conditioning (CRAC) or Computer Room Air Handler (CRAH) units maintain temperatures within 1-2 degree ranges.

Hot Aisle/Cold Aisle Configuration: Physical layout optimization separates hot exhaust air from cold supply air, improving cooling efficiency and reducing energy consumption.

Advanced Cooling Technologies: Liquid cooling, rear-door heat exchangers, and direct-to-chip cooling are increasingly deployed for high-density computing environments where air cooling becomes impractical.

Free Cooling and Economization: When outdoor conditions permit, data centers use outside air or evaporative cooling to reduce mechanical cooling loads and energy costs.

Redundancy in Cooling: Like power systems, cooling systems require N+1 or 2N redundancy to ensure continuous operation during maintenance or equipment failure.

Structural and Architectural Considerations

Data center structural design must accommodate extremely heavy floor loads from IT equipment, battery systems, and cooling infrastructure. Raised floor systems, typically 24-36 inches high, provide plenum space for underfloor cooling and cable distribution while requiring substantial structural support.

Seismic design is particularly critical given the concentration of valuable equipment and the operational criticality of data centers. Enhanced seismic bracing, isolated equipment mounting, and flexible connections protect against earthquake damage. Security and physical protection requirements include multiple layers of access control, surveillance systems, and sometimes ballistic-rated walls or blast-resistant design for high-security facilities.

Hospital Engineering Requirements: Life Safety and Infection Control

Medical Gas Systems: Critical Life Support Infrastructure

One of the most distinct MEP challenges in healthcare facilities is the design of medical gas systems that provide critical gases like oxygen, nitrous oxide, medical air, and carbon dioxide to patient care areas. Ensuring the continuous, safe delivery of these gases is vital for patient survival, particularly in emergency rooms, intensive care units (ICUs), and surgical theaters.

Medical gas systems represent a unique engineering requirement found almost exclusively in healthcare facilities. These systems distribute therapeutic gases through dedicated piping networks to patient care areas, surgical suites, and emergency departments.

Design considerations include:

Redundant Supply Systems: Medical gas systems require primary and secondary supply sources with automatic switchover. Oxygen systems typically include bulk liquid oxygen tanks with backup compressed gas cylinders.

Zone Valve Systems: The facility is divided into zones that can be isolated during maintenance or emergencies without affecting other areas. Zone valve boxes provide local shutoff capability.

Alarm and Monitoring: Comprehensive alarm systems monitor gas pressures, purity levels, and supply status throughout the facility, alerting staff to any issues immediately.

Compliance with NFPA 99: The National Fire Protection Association’s healthcare facilities code governs medical gas system design, installation, testing, and maintenance with stringent requirements for safety and reliability.

HVAC Systems: Infection Control and Patient Comfort

HVAC systems ensure optimal air quality, benefiting both patients and medical staff, while also ensuring the proper function of medical equipment. Ventilation is crucial in controlling airborne contaminants and reducing infection risks by filtering out stale air and introducing fresh, clean air.

Hospital HVAC design is extraordinarily complex, with different areas requiring dramatically different environmental conditions:

Isolation Rooms: Negative pressure isolation rooms prevent airborne pathogens from escaping into corridors. Positive pressure protective environments shield immunocompromised patients from external contaminants.

Operating Room Ventilation: Surgical suites require laminar airflow systems with HEPA filtration to create ultra-clean environments. Air change rates of 20-25 per hour with specific temperature and humidity parameters are standard.

Air Quality Standards: Hospitals require much higher filtration levels than typical buildings, often using MERV 13-16 filters or HEPA filtration in critical areas. Outside air ventilation rates are significantly higher to dilute contaminants.

Temperature and Humidity Control: Different hospital areas have specific temperature and humidity requirements. Operating rooms typically maintain 68-73°F with 30-60% relative humidity, while patient rooms have different setpoints for comfort.

Emergency Ventilation: During power outages, emergency generators must support ventilation in critical areas including operating rooms, ICUs, and isolation rooms to maintain life safety.

Electrical Systems: Supporting Life-Critical Equipment

Specialized medical equipment requires specialized power, cooling, and safety systems. MRI machines, surgical equipment, and life support systems are just a few examples of devices with unique MEP demands.

Hospital electrical systems must support an incredibly diverse range of equipment with varying power requirements and sensitivity levels:

Emergency Power Systems: Unlike typical buildings where emergency power supports only life safety systems, hospitals require emergency generators to power critical patient care equipment, elevators, imaging equipment, and substantial portions of the facility.

Essential Electrical System: Hospital emergency power is divided into life safety, critical, and equipment branches, each with specific transfer times and load priorities. The life safety branch must transfer in 10 seconds, while the equipment branch allows up to 10 minutes.

Isolated Power Systems: Operating rooms and critical care areas often use isolated power systems that prevent electrical shock hazards in wet environments where patients may be connected to multiple devices.

Surgical and Imaging Equipment: MRI machines require dedicated electrical services, specialized grounding, and shielding from electrical interference. Surgical equipment, imaging systems, and laboratory devices each have unique power quality requirements.

Plumbing and Water Systems: Infection Prevention

Hospital plumbing systems must prevent waterborne pathogen transmission, particularly Legionella bacteria that can cause serious illness in immunocompromised patients.

Design strategies include:

Hot Water Temperature Maintenance: Maintaining water temperatures above 140°F at the source and ensuring rapid circulation prevents bacterial growth.

Point-of-Use Filtration: High-risk patient areas may require point-of-use filters that remove bacteria from water supplies.

Special Fixtures: Hands-free fixtures reduce cross-contamination. Clinical sinks require special trap primers and drainage configurations.

Medical Equipment Drainage: Specialized drainage systems for sterilizers, lab equipment, and medical devices may require neutralization, dilution, or special treatment before discharge to building drains.

Airport Engineering Requirements: Scale, Complexity, and Public Safety

Structural Engineering: Supporting Massive Spans

The runway design, terminal building, and airport drainage system must be meticulously planned and executed. The airport construction process must adhere to safety and operational standards, requiring expertise in structural engineering and pavement engineering.

Airport structures present unique structural engineering challenges driven by the need for large column-free spaces, massive roof spans, and the ability to support dynamic loads from aircraft operations.

Terminal Building Structures: Airport terminals require long-span structural systems to create open, flexible interior spaces for passenger circulation. Roof structures must span 100-200 feet or more without intermediate columns. Steel space frames, long-span trusses, or cable-stayed systems are common solutions.

Foundation Systems: Terminal buildings and support structures require foundations capable of supporting very heavy loads while often being constructed on sites with challenging soil conditions. Deep foundations, ground improvement, or mat foundations may be necessary.

Seismic and Wind Resistance: Large airport structures with significant surface area are subject to substantial wind and seismic forces. Structural design must account for these lateral loads while maintaining architectural requirements for transparency and openness.

Airside Pavement Design: Runways, taxiways, and aprons must support concentrated loads from large aircraft landing gear. Pavement design considers aircraft weight, frequency of operations, subgrade conditions, and expected service life. A Boeing 777 exerts approximately 350,000 pounds on its main landing gear.

Specialized Structures: Loading bridges, control towers, and maintenance hangars each present unique structural challenges requiring specialized engineering expertise.

MEP Systems: Serving Thousands Simultaneously

Airport MEP systems must serve vastly different functional areas with dramatically different requirements, all while maintaining operational continuity 24 hours a day, 365 days a year.

HVAC for Large Public Spaces: Airport terminals include massive public spaces with high ceilings, extensive glazing, and variable occupancy. HVAC systems must handle extreme solar heat gain, high outside air requirements for thousands of simultaneous occupants, and rapid load changes as flights arrive and depart.

Baggage Handling Integration: Baggage handling systems generate substantial heat loads in below-grade areas. HVAC design must address these loads while managing the interaction between conditioned terminal spaces and unconditioned baggage areas.

Fuel Distribution Systems: Aircraft fueling requires extensive underground fuel storage and distribution networks. These systems must meet stringent safety standards for fuel handling, leak detection, and fire protection.

Electrical Load Diversity: Airports have enormous electrical loads but with significant diversity. Gate areas require ground power and pre-conditioned air for aircraft. Baggage handling systems, security screening equipment, retail spaces, and food service all have distinct electrical requirements.

Emergency Power: Airports require emergency generators for life safety systems, but also for operational continuity. Air traffic control, security systems, passenger information displays, and critical lighting must remain operational during power outages.

Fire Protection and Life Safety: Protecting Large Public Assemblies

Airports present unique fire protection challenges due to the combination of large open spaces, high ceilings, complex egress requirements, and the presence of aircraft fuel.

Sprinkler System Design: Large open spaces with high ceilings require specialized sprinkler designs including Early Suppression Fast Response (ESFR) sprinklers or deluge systems in high-hazard areas.

Smoke Control: Atrium smoke control systems use mechanical ventilation and natural buoyancy to maintain tenable conditions during fire events, allowing occupants time to evacuate from large terminal spaces.

Aircraft Rescue and Firefighting (ARFF): Airside fire protection includes specialized ARFF facilities, equipment, and trained personnel to respond to aircraft emergencies. This is entirely separate from building fire protection.

Fuel Farm Fire Protection: Aviation fuel storage areas require foam suppression systems, specialized detection, and emergency response procedures distinct from building fire protection.

Passenger Experience Systems

Modern airports integrate numerous systems focused on passenger experience and operational efficiency:

Flight Information Display Systems (FIDS): Real-time flight status information displayed throughout terminals requires extensive networking, control systems, and integration with airline operational systems.

Public Address Systems: Clear audio communication in vast terminal spaces requires sophisticated sound reinforcement and distribution systems.

Baggage Handling Systems: Automated baggage conveyance, screening, sorting, and tracking systems represent complex mechanical and control systems that must operate with extremely high reliability.

Security Screening Integration: TSA security requirements drive the design of screening areas, including electrical power for screening equipment, HVAC for densely occupied queuing areas, and architectural configurations that separate secure and non-secure zones.

Comparative Analysis: Key Differences Across Facility Types

Criticality and Redundancy

Data centers operate under the most stringent uptime requirements, often demanding 99.99% or higher availability. This drives multiple redundant systems for power, cooling, and controls. Hospitals require high reliability for life safety but can tolerate brief interruptions in non-critical areas. Airports prioritize operational continuity but have greater flexibility to defer non-critical maintenance.

Regulatory Compliance

Each facility type operates under different regulatory frameworks. Data centers primarily follow industry standards like Uptime Institute Tier Classifications and ISO standards. Healthcare facilities require specialist systems in areas like gas distribution, humidity and infection control and must comply with NFPA 99, FGI Guidelines, and state health department regulations. Airports must meet FAA standards, TSA security requirements, and local building codes.

Power Density and Energy Use

Data centers have the highest power density, often 50-100 times greater than typical buildings. Hospitals have moderate power density with specialized high-load areas for imaging and surgical equipment. Airports have relatively low power density but very large total loads due to their size.

Environmental Control

Data centers require precise temperature and humidity control within narrow bands for equipment protection. Hospitals need variable environmental control optimized for different functional areas, with infection control as a primary driver. Airports focus on occupant comfort in large spaces with highly variable occupancy.

Maintenance and Accessibility

Data centers design for concurrent maintainability, allowing system servicing without operational impact. Hospitals require redundant systems but must accommodate maintenance during continuous operation. Airports typically schedule major maintenance during low-traffic periods but must maintain 24/7 operational capability.

Lifecycle Expectations

Data centers often have 15-20 year design lives with technology refreshes every 5-7 years. Hospitals design for 40-50 year lifespans with provisions for continuous renovation and technology updates. Airports expect 50+ year structural life with periodic terminal renovations.

The J&F India Approach: Specialized Expertise for Every Facility Type

At J&F India, we recognize that successful engineering requires deep understanding of facility-specific requirements, not a one-size-fits-all approach. Our multidisciplinary teams bring specialized expertise in each facility type:

Data Center Excellence: Our data center team includes specialists in high-density power distribution, precision cooling, and mission-critical infrastructure. We design for operational availability, energy efficiency, and future scalability.

Healthcare Expertise: Our healthcare engineers understand medical gas systems, infection control requirements, and the complex integration challenges of modern hospitals. We work within regulatory frameworks to deliver safe, efficient, patient-centered environments.

Infrastructure Capabilities: Our airport and infrastructure team brings experience with large-span structures, complex MEP coordination, and the unique operational requirements of transportation facilities.

BIM Integration: Across all facility types, we leverage Building Information Modeling to coordinate complex systems, identify conflicts before construction, and deliver accurate as-built documentation for facility management.

Global Standards, Local Execution: With operations across five countries and 25 years of experience, we apply international best practices while navigating local regulatory requirements and construction practices.

Conclusion: Excellence Through Specialization

The engineering requirements for data centers, hospitals, and airports differ dramatically in nearly every aspect from power systems to structural design, from regulatory compliance to operational requirements. Success in these specialized facility types requires engineering teams with deep domain expertise, not generalists attempting to apply conventional building design approaches.

Data centers demand uncompromising reliability and precision in power and cooling systems. Hospitals require life-critical infrastructure with infection control and patient safety as paramount concerns. Airports need large-scale structural solutions integrated with complex operational systems serving thousands of passengers daily.

Ready to discuss your specialized facility project? Contact J&F India today to connect with our expert engineering team and discover how our facility-specific expertise can drive your project success.