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Violation of rules may lead to accidents and injuries, especially when dealing with lifting appliances and lifting gear for foundation works. The main activities pertaining to safety in construction are: the proper organization of the construction and operations; organized storage of materials and components: the organization of the site and passes, ensuring the normal operation and emergency lighting of the working area, the organization of technical supervision of the state mechanisms, crane tracks, proper functioning of all construction equipment; a systematic coaching staff; compulsory fencing off areas and stairs, as well as rotating and moving parts of the crane, compliance with the rules of operation of the crane in accordance with the instructions for installation and operation of lifting devices, use of alarm accordance with the rules pertaining international construction safety laws, and last but not the least, ensuring electrical safety. (Prichard, 2001)
One of the most important documents that provide trouble-free maintenance works in construction is a project of work organization. This project takes into account all safety measures that are indicated in the document, including heavy mechanization and labor-intensive work on horizontal and vertical transportation of materials, types of used construction materials and their placement on the site, and the inventory of the forest, scaffolding. Storage of construction materials is allowed only in areas of projected work organization. Indiscriminate storage of materials, products, and equipment is prohibited. Gaps between warehouses and piles are installed in accordance with the requirements of fire-fighting equipment. (Opfer, 2008)
At the construction site, pointers driveways, and walkways must be installed. Walkways and driveways for working machines must be free: blockage of materials or waste is not allowed. The width of driveways for one-way traffic shall be not less than 4 m. Aisles between stacks of building materials should be at least 1 meter in each pile should be kept only homogeneous elements. There is a serious risk when using lifting gear (LG) or lifting appliances (LA), which can lead to accidents. Therefore, the zone within which the working crane is dangerous and must be fenced. Since the handling of lifting appliances and lifting gears is a dangerous activity and can be fatal in case of an accident, safety measures concerning their management must be taken into consideration. In this paper, we will talk about Safety concerns in Reversed Circulation Drilling, Crane Rotator, the risk assessment, and hazards associated with LA and LG. (Prichard, 2001)
Controlling LA and LG
The main objective of controlling an LA or an LG is to ensure the safe movement and precise stop load-bearing body at a given height, and, if the appropriate device, to ascertain the smooth supply of goods into the building.