Following several high-profile escalator incidents in Hong Kong, the 2021 Code places a heavy emphasis on structural integrity and monitoring:
If you'd like, I can help you narrow down the search for the link if you tell me:
| Area | 2012 requirement | 2021 update | |------|----------------|-------------| | | Mechanical + electrical | Enhanced with redundant monitoring per EN 81-20 | | Emergency operation | Manual rescue only | Added requirements for remote monitoring and emergency battery lowering | | Escalator comb plate safety | Contact sensor | Mandatory comb plate impact device with automatic stop | | Machine room access | Fixed ladder allowed | Revised to require landing platforms and guardrails | | Car roof clearance | 1.8m min | Increased to 2.0m for new installations | | Seismic design | Not specified | New section for seismic devices in tall buildings |
The Code applies to the of:
I understand you're looking for the (likely from Hong Kong’s EMSD — Electrical & Mechanical Services Department).
You can access the official PDF document through the Electrical and Mechanical Services Department (EMSD) of Hong Kong: