All installation work on reconstruction should be carried out with the existing project of work and subject to all safety measures. Work should be carried out using the desired design, for some specific purpose: ladders, hinged structures for setting up joints and many other devices that should be firmly installed and fixed. If, for example, to talk about the operation of the crane, then the load should not exceed the permissible carrying capacity and must be in motionless state, and in addition, the main rule is that in case of suspension of the device, the load should never be left in the suspended position.
