Trolley Unit
The trolley unit is also known as the Building Maintenance Unit (BMU), or a roof-car. It is a machine equipped with an integrated lifting hoist, a jib and a cradle and running on the roof of a building.
It allows complete access to all external parts of the building at the touch of a button. Its movements are controlled safely from the push-button control panel. Access to the cradle and to its garage is from the roof and the operator has nothing to assemble or dismantle. The built-in safety devices control and monitor the operations of the unit to ensure safety.
The most commonly used trolley unit system used in the region are: