There are 12 safety operating procedures for hoistway lifts, which seem simple and easy to understand, but they are all points that must be followed. The so-called "no rules can't make a circle", it is a necessary work to formulate a complete safety operation procedure for hoistway lifts, and it must be done in advance.

Definition of construction elevator: Construction elevators are also called construction elevators, outdoor elevators, and people-cargo elevators. They are manned and freight-carrying construction machinery that is often used in buildings.

There are 12 safety operating procedures for hoistway lifts, which seem simple and easy to understand, but they are all points that must be followed. The so-called "no rules can't make a circle", it is a necessary work to formulate a complete safety operation procedure for hoistway lifts, and it must be done in advance.