ႏိုင္ငံ ေတာ္ေတာ္ မ်ားမ်ား မွာ Elevator နဲ႔ Evacuate လုပ္တာကို တားျမစ္ထား ဆဲပါ။ US က NFPA Code မွာေတာ့ အတိုင္းအတာ တစ္ခု အထိခြင့္ျပဳ ထားပါတယ္။ အေမရိကန္ Architects ေတြကေတာ့ Elevator သံုးႏိုင္ဘို႔ ကို အားသန္ ၾကပါတယ္။ NFPA Code : An elevator complying with the requirements of Section (x.x) and (x.x.x) shall be permitted to be used as a second means of egress from towers, as defined in (x.x.xxx), provided that the following criteria are met:
The tower and any attached structure shall be protected throughout by an approved, supervised automatic sprinkler system in accordance with Section (x.x.)
The tower shall be subject to occupancy not to exceed 90 persons.
Primary egress discharges shall be directly to the outside.
No high hazard content areas shall exist in the tower or attached structure.
One hundred percent of the egress capacity shall be provided independent of the elevators.
An evacuation plan shall be implemented, specifically including the elevator, and staff personnel shall be trained in operations and procedures for elevator emergency use in normal operating mode prior to fire fighter recall.
The tower shall not be used by the general public.
အဓိက စိုးရိမ္ၾကတာ ကေတာ့ မီးေလာင္တဲ့ အထပ္မွာ Elevator ရပ္ၿပီး လူေတြပိတ္မိ ေနမွာ ကိုပါ။ Elevator သံုးခြင့္ ရဘို႔ အတြက္ Elevator Shaft ေရာ Elevator Lobby ကိုပါ Fire Compartment လုပ္ၿပီး Pressurized လုပ္ရပါတယ္။ အ႐ွိန္ နဲ႔ သြားေနတဲ့ Elevator ေၾကာင့္ ျဖစ္ေပၚ လာတဲ့ Piston Effect ကိုထိန္းႏိုင္ ဘို႔ ကလည္းမလြယ္ ပါဘူး။