or try to enable JavaScript and reload the page To understand why you need the 2021 edition
To understand why you need the 2021 edition (rather than the 2012 version), you must look at the major technical revisions. The EMSD focused heavily on risk reduction for maintenance personnel and passengers.
| Aspect | This 2021 code | EN 81-20/50 | ASME A17.1 | |--------|----------------|-------------|-------------| | Car emergency exit | Required if no car top door | Similar | Less strict | | Escalator comb plate monitoring | Mandatory | Mandatory | Optional | | MRL lift pit access | Detailed | Moderate | Less detailed | | Firefighter lift water protection | High standard | Moderate | High |
The code is divided into parts and schedules: