Elevator Code Compliance Calculator

ASME A17.1 code requirement checklist scoring.

Car floor area (m²)

Rated capacity (kg)

Rated speed (m/s)

Pit depth (mm)

Overhead clearance (mm)

Suspension safety factor

Door closing force (N)

Leveling accuracy (mm)

Ventilation area (%)

Emergency comm (1=yes)

Fire service (1=yes)

Tab to move between fields

Compliance score (%)

100%

Checks passed (of 10)

Min required pit (mm)966

Min required overhead (mm)3,250

Min car area for capacity (m²)2.42

Pit depth OK (1=pass)1

Overhead OK (1=pass)1

Safety factor OK (1=pass)1

Door force OK (1=pass)1

Leveling OK (1=pass)1

How to Use This Calculator

Enter Car floor area (m²), Rated capacity (kg), and Rated speed (m/s).
Set Pit depth (mm), Overhead clearance (mm), and Suspension safety factor.
Adjust Door closing force (N), Leveling accuracy (mm) as needed.
Review Compliance score (%) (%) and Checks passed (of 10).
Use Min required pit (mm) and Min required overhead (mm) to inform your decision.

How the result changes with Overhead clearance (mm)

Car floor area (m²): Interior floor area of the elevator car.
Rated capacity (kg): Maximum rated passenger/freight load.
Rated speed (m/s): Elevator contract speed.
Pit depth (mm): Actual pit depth below lowest landing.
Overhead clearance (mm): Clearance from top landing to underside of overhead beam.
Suspension safety factor: Ratio of rope breaking strength to suspended load. ASME requires ≥ 8.0.
Door closing force (N): Kinetic energy of closing door. ASME/ADA limit: 135 N (30 lbf).
Leveling accuracy (mm): Car leveling deviation from floor. ADA requires ≤ 6 mm (¼ in).
Ventilation area (%): Ventilation opening as percentage of car floor area. Minimum: 3.5%.
Emergency comm (1=yes): Emergency two-way communication installed (required by code).
Fire service (1=yes): Firefighters' emergency operation Phase I & II installed.

Compliance score (%): Percentage of 10 key ASME A17.1 / ADA checks passed.
Checks passed (of 10): Number of compliance checks passed out of 10.
Min required pit (mm): Minimum pit depth based on rated speed.
Min required overhead (mm): Minimum overhead clearance based on rated speed.
Min car area for capacity (m²): Minimum car floor area for the stated capacity.
Pit depth OK (1=pass): 1 if pit depth meets minimum for speed.
Overhead OK (1=pass): 1 if overhead clearance meets minimum.
Safety factor OK (1=pass): 1 if safety factor ≥ 8.0.
Door force OK (1=pass): 1 if door closing force ≤ 135 N.
Leveling OK (1=pass): 1 if leveling accuracy ≤ 6 mm.

Identify Input Parameters
4 parameters
Car floor area (m²) = 2.9, Rated capacity (kg) = 1150, Rated speed (m/s) = 2.5, Pit depth (mm) = 1500 = 11 input(s) provided
Calculate Compliance score
Compliance score = (passedChecks / totalChecks) * 100
100 = 100%
Calculate Checks passed
10 = 10
Calculate Min required pit
Min required pit = bufferStrokeMm + 600
966 = 966
Calculate Min required overhead
Min required overhead = 2400 + round(speedMps * 100) + 600
3250 = 3250