Building Maintenance Unit (BMU) is a permanently installed and dedicated building structure intended for cleaning and maintaining its windows or exterior walls. Every building differs from each other; both in shape and surface, so all Building Maintenance Units are custom designed to suit the most convenient and effective way to do its purpose.
The Building Maintenance Unit generally consists of a platform/cradle suspended in a jib which is generally a trolley via sets of steel wire ropes operated by the hoisting system. The trolley unit normally runs on steel rails, monorails or on a suitable roof surface with guide rails by traversing caster wheels. It can also come with a fixed type trolley or suspended from davits system.
The hoisting system is basically the main component of the machine where Masa is importing from Germany one of the most reliable brand names in the industry such as
German “Tirak”.
The trolley is the base of the machine, which can be of traversing or fixed type. For traversing trolley it could either run on twin I-steel tracks, in monorail or running on roof slab. It could also be fixed in the roof structure or hanging via davit system.
The Jib fitted to the turret holds the cradle with the suspension steel ropes and is specially designed to maneuver the cradle to reach all building exterior elevation. Several features are defined either by rotating trolley, slewing jib arm, telescopic jib, lifting column, luffing jib, and pantographic cradle which selectively devised to suit the building requirements.