Lift Design for Indian Commercial + Healthcare — IS 14665 vs ASME A17.1 vs EN 81
By MEPVAULT Editorial Team · MEP Consultant · Electrical / Fire · 11 May 2026
Reading time ~ 9 min · Originally published: 08 May 2026 · Last revised: 11 May 2026
IS 14665 is the statutory floor for any Indian lift design. ASME A17.1 enters for FM Global insured + global hotel chain projects (Marriott, Hilton, Hyatt brand standards). EN 81 is the European reference for UK + EU corporate properties. For a 32-floor BKC commercial tower, the lift bank works out to 12 cars across 4 categories with the fire-resistant lift carrying 2-hour fire rating + 90-min emergency power + battery descent. Three NABH/AHJ commissioning tests every site fails first time.
Lift design beyond IS 14665 — what brand-standard projects demand
NBC 2016 Pt 8/5 + IS 14665 are the statutory minimum for any Indian project. NFPA 101 + ASME A17.1 enter the picture when the building has an FM Global insured tenant or a global hotel chain (Marriott, Hilton, Hyatt prescribe ASME A17.1 in their brand standards). EN 81 is the European reference cited in UK + EU-flagged corporate facilities. For high-rise + tall + healthcare projects, designers should always evaluate the gap.
Lift-type selection by building type
| Building type | Lift type | Speed (m/s) | Capacity (kg) | Speed governance | Reference code |
|---|---|---|---|---|---|
| Residential 4-15 floor | Geared traction or MRL | 1.0-1.6 | 680-1000 | Centrifugal | IS 14665 |
| Residential 15-30 floor | Gearless MRL | 1.6-2.5 | 1000-1350 | Electronic | IS 14665 + EN 81 |
| Residential 30-60 floor | Gearless traction | 3.0-4.0 | 1350-1800 | Electronic + double-deck option | EN 81 + ASME A17.1 |
| Commercial office < 30 fl | Gearless MRL | 1.6-2.5 | 1350-1600 | Electronic | IS 14665 + ASME A17.1 |
| Commercial office 30-60 fl | Gearless traction + destination dispatch | 3.0-6.0 | 1600-2000 | Electronic | EN 81 + ASME A17.1 |
| Hotel | Gearless traction | 1.6-3.0 | 1000-1600 | Electronic | Brand std + IS 14665 |
| Healthcare | Hospital lift (gearless) | 1.0-2.0 | 2500 (stretcher) | Electronic + emergency power | IS 14665 + NABH |
| Fire-resistant lift | Gearless + 2-hour fire-rated | 1.0-2.5 | 1000 | Electronic + emergency manual | NBC + IS 14665 + EN 81-72 |
A 32-floor BKC commercial tower — lift bank sizing
For 32 floors × 1,800 m² leasable = 57,600 m² with ~6,000 design occupants:
| Lift bank | Quantity × spec | Speed (m/s) | Capacity | Code reference |
|---|---|---|---|---|
| Lobby express (G to F18 + F19-F32) | 4 × 1800 kg (high-rise) + 4 × 1600 kg (low-rise) | 5.0 / 3.0 | 1800/1600 kg | EN 81 + ASME A17.1 |
| Fire-resistant lift (1 per stack) | 2 × 1000 kg | 2.0 | 1000 kg | NBC Pt 4 + IS 14665 + EN 81-72 |
| Service lift | 1 × 2500 kg | 1.6 | 2500 kg | IS 14665 |
| VIP lift (G to F32 dedicated) | 1 × 1350 kg | 5.0 | 1350 kg | Brand std |
| Total | 12 lifts | — | — | — |
Fire-resistant lift — what makes it different
Per NBC 2016 Pt 4 §6.5 + IS 14665 Pt 4 + EN 81-72:
- 2-hour fire-rated lift shaft + lift lobby
- Fire-rated lift cabin (steel + fire-resistant gypsum lining)
- Emergency power supply for 90 minutes at full duty (from DG via ATS)
- Direct call-down from fire-fighter switch in fire-control room
- Pressurised lift lobby (positive pressure to corridor)
- Battery-powered emergency descent to ground in event of power loss
- Smoke + heat detector interlock — auto-recall to ground on fire detection
Three lift commissioning checks NABH + AHJ insist on
- Door closing force ≤ 65 N + door opening force ≤ 110 N at occupant chest level. Test with calibrated force gauge.
- Emergency rescue operation time ≤ 90 seconds — fire-fighter switch activates, lift returns to ground, doors open and stay open. Witness test.
- Hoist rope safety factor documented in test certificate — IS 14665 requires 12× for residential, ASME A17.1 requires 10×, EN 81 requires 12×.
References
- IS 14665:1999 (Parts 1-4, reaffirmed) — Electric Traction Lifts, Bureau of Indian Standards.
- ASME A17.1:2024 — Safety Code for Elevators and Escalators, ASME New York.
- EN 81-20:2020 — Safety Rules for the Construction and Installation of Lifts — Part 20: Passenger and Goods Passenger Lifts, CEN Brussels.
- EN 81-72:2020 — Safety Rules for Lifts — Particular Applications for Passenger and Goods Passenger Lifts — Part 72: Firefighters Lifts.
- NBC 2016 Pt 8/5 + Pt 4 §6.5 — Lifts and Fire-Resistant Lift Requirements, BIS.
- NFPA 101: 2024 §11.7.4 — Elevator Use in Emergencies.
- NABH Accreditation Standards 5th Edition — FMS-9 Emergency Power for Lifts.
- BS EN 81-73:2020 — Behaviour of Lifts in the Event of Fire.
// About the Authors
MEPVAULT Editorial Team — A team of practising MEP consultants based in India. ISHRAE-affiliated; FSAI-aligned.