Presently, should an elevator become inoperable at the top of a single hoistway and require equipment access from the car-top, there is no simple way of gaining access. The B44-19 Code introduces the option to allow the in-car emergency access exit to be openable from inside the car to...
2. Do not damage the explosion-proof surface during installation, and keep it clean. The fastening screws of the explosion-proof surface should be tightened evenly, and the explosion-proof surface should not be mixed with foreign matter.