Healthcare & Medical
In healthcare, the MEP is part of the standard of care. Air changes, room pressurization, isolation, and a power system that can’t blink are written into code line-by-line — and reviewed by a department of health, not just a building official.
Where the Code Is the Patient’s Safety.
Pressure relationships, air-change rates, and filtration aren’t comfort settings here — they’re infection control, written into ASHRAE 170 and the FGI Guidelines and enforced by the AHJ. We design ventilation to each room’s actual function, an essential electrical system to NEC 517, and medical gas to NFPA 99 categories — documented so the licensed engineer of record on your project and the health department both sign off the first time.
Ventilation & Infection Control
Every room’s pressure, air changes, and filtration are set by its clinical function — not by comfort.
- ASHRAE 170 / FGI air-change rates and pressure relationships by space type
- Operating rooms, AII (negative) and PE (positive) isolation rooms
- HEPA filtration and laminar/terminal diffuser design
- Humidity and temperature control for ORs and sterile processing
- Dedicated outdoor air and energy recovery within code limits
- Air-balance and pressurization documentation for commissioning
Essential Electrical System (NEC 517)
When normal power fails, the life-safety and critical-care branches can’t.
- Essential electrical system — life-safety, critical, and equipment branches
- Generator plant and transfer-switch coordination per NFPA 110
- Isolated power systems for wet procedure locations
- Selective coordination and arc-flash per NEC 700 / 517
- Normal/emergency panel and branch separation
- Receptacle and circuit counts to FGI by room type
Medical Gas & Plumbing (NFPA 99)
Med-gas and specialty plumbing engineered to the facility’s risk category.
- Oxygen, medical air, vacuum, and WAGD systems (NFPA 99)
- Risk-category (1–4) based system design and alarms
- Source equipment, zone valves, and area alarm panels
- Sanitary, domestic water, and storm to IPC/UPC
- Scald protection and Legionella control (ASHRAE 188)
- Specialty drainage for imaging, lab, and sterile processing
Imaging, OR & Specialty Spaces
Imaging and procedure rooms carry MEP loads the rest of the building never sees.
- MRI suite — magnet cooling, quench vent, and RF-shield coordination
- CT, fluoroscopy, and cath-lab power, cooling, and shielding interfaces
- Operating-room integration — booms, lights, HVAC, isolated power
- Sterile processing (SPD) humidity, exhaust, and equipment utilities
- Equipment heat-load and redundancy for critical diagnostics
Codes, Reviews & Resilience
Healthcare answers to a department of health on top of the building code.
- Department-of-health and FGI plan-review coordination
- Joint Commission and CMS environment-of-care alignment
- Phased construction with ICRA infection-control MEP measures
- Seismic and essential-facility resilience where required
- Existing-condition surveys for renovations in occupied facilities
Quick answers about how we deliver design support for this sector.
Yes — that’s the core of healthcare HVAC. We set each space’s air-change rate, pressure relationship, and filtration to ASHRAE 170 and the FGI Guidelines for its clinical function, then document the air balance and pressure map so the commissioning agent and the department of health can verify it. The pressure map is part of the set, not an afterthought.
Yes. We design the NEC 517 essential electrical system — life-safety, critical, and equipment branches — with transfer switches and a generator plant coordinated to NFPA 110, plus isolated power for wet procedure locations where required. Selective coordination and arc-flash are built into the documents behind your seal.
Yes — oxygen, medical air, vacuum, and WAGD designed to the facility’s NFPA 99 risk category (1–4), with source equipment, zone valves, and area alarm panels. We coordinate the med-gas set with the room program and the equipment planner so outlets and alarms land where clinical staff need them.
Routinely. Renovations in live facilities run on ICRA — infection-control risk assessment — so we design the MEP phasing, temporary pressurization, and shutdown sequences around keeping the rest of the department running. Existing-condition surveys up front keep the tie-ins and interim life-safety measures realistic.
That’s the bar we design to. Healthcare sets answer to a state department of health and an FGI reviewer on top of the building code, so we document the basis — air changes, pressure, essential power, med-gas categories — the way those reviewers read it. The licensed engineer of record on your project stamps a set built to pass health-department review the first time.
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