NABH Physical Infrastructure Standards Decoded for Architects

NABH accreditation has, over two decades, transitioned from a voluntary mark of distinction to a practically mandatory credential for hospitals seeking empanelment in CGHS, ECHS, AB-PMJAY tier-bonus, ESIC, and most insurance-payer networks. For nursing homes and small clinics, NABH's Small Health Care Organisations (SHCO) standard plays a similar role at smaller scale. For specialty facilities — eye, dental, dialysis, blood bank, AYUSH, fertility — NABH's specialty standards provide accreditation pathways tailored to the typology.

This guide is the seventh in the ten-part series. It assumes the reader has read the pillar reference, the facility-type guides on hospitals, nursing homes, and clinics, the NBC Group C-1 reference, and the CEA state variations guide.

The guide focuses on the architectural translation of NABH — converting standards written in clinical and managerial language into the building elements, room layouts, finishes, and infrastructure that the assessor expects to find. Because NABH assessment is conducted at an operational, in-use facility (not a paper review), architectural shortfalls discovered at pre-assessment can take 12–24 months to remediate. The discipline at design stage is therefore disproportionately consequential.

"NABH is not a paper exercise. The assessor walks into the OT and asks where the laminar flow filter is. If it is not there, no documentation can save you." — Dr. K.K. Kalra, former CEO, NABH, paraphrased from a 2018 quality conference

"Quality in healthcare is the discipline of doing routine things, routinely well. The building either supports that discipline or sabotages it." — Dr. Atul Gawande, surgeon and writer, paraphrased from The Checklist Manifesto (Gawande, 2009)

1. NABH Standards Landscape — The Complete Family

NABH publishes multiple standards under the umbrella of healthcare quality accreditation:

Standard	Target	Scope
NABH for Hospitals — 5th Edition (2020)	Full-service hospitals	100 standards across 10 chapters
NABH SHCO — 3rd Edition	Small Health Care Organisations (≤ 50 beds; including non-bed clinics, labs, dental, eye day-care)	Reduced-scope standards
NABH Entry-Level Hospital	Hospitals beginning accreditation journey	Foundational subset
NABH Entry-Level SHCO	Smaller facilities at entry	Foundational SHCO subset
NABH Eye Care	Standalone eye hospitals / clinics	Specialty
NABH Dental	Dental clinics / hospitals	Specialty
NABH Dialysis	Standalone dialysis centres	Specialty
NABH Blood Bank / Transfusion Medicine	Standalone blood banks	Specialty
NABH AYUSH	Ayurveda, Yoga, Unani, Siddha, Homoeopathy	Specialty
NABH Fertility / ART	IVF / ART clinics	Specialty
NABH Wellness Centres	Wellness, preventive	Lifestyle
NABH Allopathic Clinics	Standalone clinics	Specialty
NABL collaboration	Pathology / diagnostic labs (NABL-led)	Specialty

The architect should confirm with the client which NABH standard is the target, before designing. Designing for NABH-Hospitals 5th edition standards when the client intends only SHCO is over-design; designing for SHCO when the client intends Hospital is under-design.

2. NABH Hospital 5th Edition — The Ten Chapters

The 5th edition is structured into ten chapters, each with multiple standards (objective elements). The architect's contribution is concentrated in three chapters — AAC (Access, Assessment, Continuity), HIC (Hospital Infection Control), and FMS (Facility Management & Safety) — but every chapter has architectural implications.

Chapter	Code	Focus	Architectural Concern
AAC	Access, Assessment, Continuity	Patient registration, triage, transfer, discharge	OPD, ED, IPD flow; wayfinding; transfer corridors
COP	Care of Patients	Clinical care delivery in OPD, IPD, ED, OT, ICU, OBG	Care areas as designed
MOM	Management of Medication	Pharmacy, prescription, administration	Pharmacy layout, cold chain, ward storage
PRE	Patient Rights & Education	Information, consent, charter, language	Patient charter wall, signage
HIC	Hospital Infection Control	Hand hygiene, isolation, sterilisation	Wash-basin frequency, isolation rooms, CSSD
CQI	Continuous Quality Improvement	Quality framework	Documentation infrastructure
ROM	Responsibilities of Management	Governance	Administration spaces
FMS	Facility Management & Safety	Fire, electrical, biomedical, radiation, gas, accessibility	Comprehensive
HRM	Human Resource Management	Staff welfare, training	Duty rooms, lockers, training
IMS	Information Management System	Records, IT, IPHIS	Records room, IT closet

3. AAC — Architectural Translation

The Access, Assessment, Continuity standards address how patients move through the hospital from arrival to discharge. The architect provides the spatial structure.

AAC Standard	Architectural Translation
Defined entry / exit routes	Dignified main entry + emergency entry separately; visitor / patient flow distinction
Triage at ED	Triage area within ED with examination and decision capacity
Registration & admission	Reception desk with wheelchair-accessible section; queueing system
Examination & consultation	Privacy in OPD consultation rooms (door, curtain, acoustic)
Inpatient transfer	Stretcher-compatible corridors, lifts; transfer-friendly door swings
Continuity of care — handover	Nurses' station with line-of-sight observation
Discharge	Discharge room or discharge desk; pharmacy adjacency; family lounge
Wayfinding	Bilingual signage system + tactile + Braille at critical points; colour-coded zoning
Emergency egress	NBC-compliant + non-ambulatory evacuation strategy
Mortuary access	Service-side; family viewing room; dignity preserved

Common architectural shortfall: wayfinding signage as a retrofit. NABH expects a coherent signage system from main entry through every department. Retrofit signage is invariably inconsistent and is flagged at assessment.

4. COP — Care of Patients Architectural Standards

COP Care Area	NABH Architectural Expectation
OPD	Privacy, accessible seating, clear signage
ED / Casualty	24×7; resuscitation bay; ambulance access; observation beds
IPD wards	Bed area per state CEA + NABH; nurse station with visibility; family seating
ICU	9 m²/bed minimum; isolation capability; visual control from nurse station
HDU	Step-down from ICU; similar specs
NICU / PICU	Specialised paediatric/neonatal layouts; isolation; family presence; reduced lighting
OT	Per ASHRAE 170 + NABH OT standard; pressure cascade
Labour & delivery	LDR (labour-delivery-recovery) rooms preferred; privacy; emergency caesarean access
Recovery	Post-anaesthesia recovery 8–12 m² per trolley
Day-care / observation	Recovery chairs; monitoring; pharmacy adjacency
Specialty units (BMT, dialysis, oncology)	Specialty-specific layouts
End-of-life / palliative	Dignified, family-friendly room

5. HIC — Hospital Infection Control Architecture

HIC is the chapter most architecturally consequential after FMS. Infection control architecture is a discipline in itself.

HIC Element	Architectural Specification
Hand-hygiene infrastructure	Wash-basin at every nurses' station; alcohol-rub at every patient point; sensor taps
Wash-basin frequency in ICU	One per 6 beds minimum; sensor-tap with wrist mixer
Wash-basin in IPD	One per ward (4–6 beds typical)
OT wash basin	One scrub station per surgeon; sensor-tap; clinical-grade trap
Negative-pressure isolation room	Anteroom; HEPA exhaust; 12 ACH; pressure cascade; viewing
Positive-pressure isolation (BMT, immuno)	HEPA supply; pressure cascade; anteroom
OT clean / dirty corridor	Two-corridor preferred; pass-through autoclaves where single corridor
CSSD layout	Receipt → wash → pack → sterilise → store → issue (one-way)
Kitchen	Receipt → wash → preparation → cooking → plating → service (one-way); HACCP-based zoning
Laundry	Soiled receipt → wash → dry → fold → store → issue (one-way)
BMW segregation room	Bin set with colour code; surface washable
Cytotoxic drug pharmacy	BSC class II; spill kit; ventilation
Endoscopy reprocessing	Washer-disinfector; scope-storage cabinet
TB / respiratory isolation	Anteroom; HEPA exhaust; UV
Patient toilet bidet / hand-shower	Sensor or lever; bidet preferred
Linen handling — soiled	Closed trolley; separate route from clean
Surface specification	Joint-free, washable, antimicrobial in critical areas

The pressure-cascade discipline: OT (positive) → corridor (neutral) → soiled utility (negative). Isolation room (negative) ← anteroom (positive to corridor, negative to room) ← corridor. Architects who do not coordinate door undercut, damper, and HVAC plant capacity at design stage will fail HVAC commissioning.

6. MOM — Pharmacy Architectural Standards

MOM Element	Architectural Specification
Main pharmacy	Storage by class (general, refrigerated, narcotic, schedule X)
Cold chain	Pharmacy refrigerator with monitoring + backup; 2°C–8°C and –20°C if vaccine
Narcotic / opioid cabinet	Locked, double-key, register; under NDPS
Schedule X cabinet	Locked separately
Cytotoxic preparation	Class II BSC; spill space; isolation gowning
Ward stock cupboard	At each nursing station; locked
Crash cart	At each ward / ICU; mobile
IV admixture room (if central)	Class A laminar hood within Class B-D background
Compounding (if applicable)	Per WHO GMP — separate space
Pharmacy dispensing window	Patient-facing; queueing space
Returns	Separate area for returned / expired drugs

7. FMS — Facility Management & Safety (Most Comprehensive)

FMS is the chapter that translates the entire infrastructure layer into NABH standards.

FMS Topic	NABH Expectation
Fire safety	Full NBC C-1 + state code; fire scheme drawings; mock drills
Electrical safety	IS 732 compliant; UPS-backed critical loads; earthing
Medical gas — central	NBC Part 8 + AS 2896 / IS 7902; manifold; pipeline; alarm
Suction	Central or local; per bed
Vacuum	Per OT, ICU, ward; AGSS for OT
Structural safety	Seismic compliance; periodic structural audit
Hazardous material	Storage; MSDS; spill response
Radiation safety	AERB compliant; RSO; signage
Biomedical waste	BMW Rules 2016 + storage; segregation; CBWTF
Lift safety	IS 14665; periodic inspection; emergency power
Emergency power	DG with auto-transfer; UPS for critical
Plumbing & water	Hot water 60°C+; cold ≤ 25°C; chlorination; potable monitoring
Sewage / effluent	ETP / STP per SPCB; pre-treatment of yellow waste optional
Building accessibility	Harmonised 2021; ramps; lifts; toilets; signage
Patient safety — fall prevention	Bedrails; grab-bars in toilet; non-slip flooring
Visitor safety	Glazing; railings; signage
Security	Access control; CCTV; panic button at ED, women's ward

The FMS chapter alone contains 150+ assessable elements. The architect's drawing set must coordinate with each.

8. PRE — Patient Rights, Charter, and Display

PRE Element	Architectural Specification
Patient charter	Wall display in OPD lobby — bilingual + Braille
Tariff display	Wall display — bilingual; pre-treatment estimate display in WB
Grievance redressal	Officer + room (statutory in WB; voluntary in others)
Information desk	At entrance; bilingual staff
Privacy	Curtains, doors, single-sex wards optional
Consent forms	Available at admission; dedicated consent room for procedures
Spiritual / religious	Multi-faith prayer room (hospitals > 100 beds typical)
Counselling rooms	Adjacent to wards / specialty

9. SHCO — The Reduced-Scope Standard for ≤ 50 Beds

NABH SHCO 3rd edition is structured similarly to the hospital standard but with reduced documentation and proportionate infrastructure expectations.

SHCO Architectural Expectation	Reduced from Hospital	Maintained from Hospital
Bilingual signage	Required	Required
Hand hygiene	Required	Required
Negative-pressure isolation	At least 1 if facility takes infectious patients	Required
One-way flow CSSD / kitchen / laundry	Required	Required
OT compliance	ASHRAE 170 minimum	Required
Fire safety	NBC C-1	Required
Pharmacy	Required	Required
Medical gas	Required	Required
Documentation	Reduced volume	Format simplified
Quality framework	Reduced KPI count	Maintained

For nursing homes seeking empanelment in CGHS / AB-PMJAY tier-bonus / ECHS, SHCO accreditation is the practical entry standard. Architects designing nursing homes should target SHCO compliance from concept stage.

10. Specialty Accreditations — Architectural Specifics

Specialty	Key Architectural Specifics
Eye Hospital	Refraction lanes; OT clean-air; phaco station; recovery; counselling
Dental Clinic / Hospital	Operatory layout; X-ray with shielding; sterilisation; sterilisation pass-through
Dialysis Centre	Reverse-osmosis water plant; chair layout; isolation cubicle; emergency response
Blood Bank	Reception, processing, serology, storage, issue; refrigeration; traceability
AYUSH Centre	Panchakarma rooms (heated wood; specific dimensions); steam room; massage tables
Fertility / ART	Embryology lab Grade A/B/C/D; theatre; recovery; counselling
Wellness Centre	Spa, gym, relaxation; healthier-food kitchen; aesthetic-oriented yet clinical
Allopathic Clinic	Consultation, examination, pharmacy, BMW

Each specialty's architectural detail is a sub-discipline. The architect should engage a specialty consultant for IVF and AYUSH in particular, where details are most idiosyncratic.

11. NABH Pre-Assessment Readiness — The Architect's Punch List

NABH pre-assessment is conducted typically 6 months after operational opening. By this point the building is in use; architectural changes are expensive. The architect's pre-design discipline should anticipate the pre-assessment punch list.

#	Pre-Assessment Element	Architectural Pre-emption
1	Bilingual signage everywhere	Comprehensive signage system at design
2	Tactile / Braille at critical points	Tactile signage spec at design
3	Wash-basin frequency in IPD, ICU	Frequency designed in plumbing
4	Negative-pressure isolation operational	Designed-in HVAC + anteroom
5	Pressure cascade in OT measurable	Designed-in plant capacity
6	CSSD one-way flow demonstrable	Two-corridor or pass-through
7	Kitchen HACCP zoning visible	One-way flow at design
8	Laundry one-way flow	One-way flow at design
9	BMW storage cooled, labelled	Cooled storage at design
10	Patient charter wall + tariff display	Wall designed-in
11	Grievance officer's room (where required)	Designated at design
12	Multi-faith prayer room	Designed-in for hospitals > 100 beds
13	Disability-accessible toilets per floor	Designed-in
14	Lift accessibility — Braille buttons, tactile floor markers	Spec
15	Emergency lighting throughout	NBC compliant
16	Fire-extinguisher placement	NBC compliant
17	Manual call points, smoke detectors at frequency	NBC compliant
18	Radiation signage at AERB rooms	AERB compliant
19	Hazardous material labelling at storage	Designed-in spec
20	DG and UPS performance (BMS log)	Designed-in capacity

A hospital that has not pre-empted this list at design stage will have a 6–18 month gap between operational opening and NABH accreditation — during which CGHS / insurance empanelment is delayed, with material commercial consequence.

12. Documentation Evidence Files — Architect's Contribution

The architect contributes multiple documentation files to the NABH evidence package. These are part of the architectural deliverable.

#	File	Architect's Contribution
1	Building plan with NBC compliance	Stamped fire-NOC-approved drawings
2	OT layout with HVAC pressure cascade	Engineering coordination drawings
3	ICU layout with isolation rooms	Engineering coordination
4	CSSD layout with one-way flow	Drawing and specification
5	Kitchen layout with HACCP zones	Drawing and specification
6	Laundry layout with one-way flow	Drawing and specification
7	BMW storage room drawings	Specification
8	Pharmacy layout with cold chain	Drawing and specification
9	AERB-approved radiology room layouts	AERB certificate + drawings
10	PNDT registration USG room	PNDT certificate + drawings
11	Accessibility compliance report	Harmonised 2021 mapping
12	Fire scheme drawings + NOC	NBC + state
13	Signage system drawings	Bilingual + tactile system
14	Patient charter wall design	Drawing
15	Tariff display board design	Drawing
16	Mortuary layout (where required)	Drawing
17	Service drawings — HVAC, plumbing, electrical, gas	Coordinated with consultants
18	Equipment layout per room	Final equipment plan
19	As-built drawings	Post-construction

References

ASHRAE (2021) Standard 170-2021: Ventilation of Health Care Facilities. Atlanta: ASHRAE.
Bureau of Indian Standards (2016) National Building Code of India 2016, Part 4, Part 8. New Delhi: BIS.
Bureau of Indian Standards (2003) IS 7902: Pipeline Distribution System for Medical Gases — Code of Practice. New Delhi: BIS.
Department of Empowerment of Persons with Disabilities (2021) Harmonised Guidelines and Standards for Universal Accessibility in India 2021. New Delhi: Government of India.
Gawande, A. (2009) The Checklist Manifesto: How to Get Things Right. New York: Metropolitan Books.
Indian Council of Medical Research (2017) National Guidelines for Accreditation, Supervision and Regulation of ART Clinics in India. New Delhi: ICMR.
Joshi, D.C. and Joshi, M. (2018) Hospital Administration. 2nd edn. New Delhi: Jaypee Brothers.
Kobus, R.L., Skaggs, R.L., Bobrow, M., Thomas, J. and Payette, T.M. (2008) Building Type Basics for Healthcare Facilities. 2nd edn. Hoboken: Wiley.
NABH (2020) Standards for Hospitals, 5th Edition. New Delhi: NABH, Quality Council of India.
NABH (2020) Standards for Small Health Care Organisations (SHCO), 3rd Edition. New Delhi: NABH.
NABH (2019) Standards for Eye Care Hospitals, 4th Edition. New Delhi: NABH.
NABH (2018) Standards for Dental Clinics & Hospitals. New Delhi: NABH.
NABH (2019) Standards for Dialysis Provider, 2nd Edition. New Delhi: NABH.
NABH (2019) Standards for Blood Banks / Blood Centres & Transfusion Services. New Delhi: NABH.
NABH (2018) Standards for AYUSH Hospitals & Wellness Centres. New Delhi: NABH.
NABH (2020) Standards for Fertility / ART Clinics. New Delhi: NABH.
Sax, H., Allegranzi, B., Uçkay, I., Larson, E., Boyce, J. and Pittet, D. (2007) ''My five moments for hand hygiene': a user-centred design approach to understand, train, monitor and report hand hygiene', Journal of Hospital Infection, 67(1), pp. 9–21.
Stichler, J.F. (2010) 'Healing by Design: Integrating evidence-based design principles into healthcare', Health Environments Research & Design Journal, 3(2), pp. 3–6.
Ulrich, R.S., Zimring, C., Zhu, X., DuBose, J., Seo, H.B., Choi, Y.S., Quan, X. and Joseph, A. (2008) 'A review of the research literature on evidence-based healthcare design', HERD, 1(3), pp. 61–125.
World Health Organization (2008) Essential Environmental Health Standards in Health Care. Geneva: WHO.

Author's Note: NABH standards are revised periodically — the 5th edition Hospital standards (2020) and the 3rd edition SHCO standards are the current reference at publication. NABH publishes amendments and clarifications between editions; architects should track NABH's website for revisions every 6 months. The chapters and standard structure presented here are accurate as of 2026 publication.

Disclaimer: This article is for informational and educational purposes only. NABH standards are detailed and revised; always work with the official NABH standard document and a NABH-empanelled consultant for an accreditation-bound project. Studio Matrx, its authors, and contributors accept no liability for decisions made on the basis of the information in this guide.