A system will be set up that prevents all access that may endanger people or the crane
Any moving part, which may pose a danger to people, must be effectively protected and indicated
Provision for safe access of personnel to and around equipment for functions
All stairways giving access to the bridge, diver’s cabin, etc. shall have tread and a ratio or rise not exceeding 450 and width of at least 600 mm
Back protection shall consists of three vertical stringers interconnected by rings spaced at 600 mm interval. The wall of the ladder well opposite to the ring plane shall be located at a distance not exceeding 600 mm from these rungs
Deck shall be built, according to rules, at the heads of the bridge to facilitate maintenance of the collector shoes of the bridge and of the wheel assemblies, whenever the crane structure does not permit such maintenance from inside the crane. Access shall be ensured by means of a stair and irremovable hinged trapdoor. Opening of this trapdoor shall be such as to prevent any contact with moving parts and the personnel shall not be exposed to the hazard of empty space
All rotating members (couplings pulleys, gear, etc.) shall be protected by sturdy carters in plate. All heavy covers shall be provided with inspection windows. The carters of the driving and idle wheels of bridge and trolley shall be fitted with irremovable hinges. Large-sized protections and guards shall open horizontally to permit removal of the upper part during inspection without need to remove the lower part. All walking decks shall be in antiskid checkered plate with the exception of the walking deck formed by supporting box girders. For the walking decks outdoor buckle plate shall be used. The walking decks in very dusty environments shall be in sturdy grating having 20×20 mm max mesh. The floor plates shall be anchored to the supporting frame. Provision shall be made for handrails wherever necessary to prevent personnel from falling from elevated areas.
Access to trolley shall be easy and assured in all and anyone trolley position by means of a catwalk of at least 600 mm width, practicable and free from obstacles up to a height of 1800 mm from floor level. The walkways shall be provided with handrails and toe board in compliance with safety regulation on the outer side of the crane. Handrails with toe board shall be installed on the trolley sides. The distance between these handrails and the trolley gears shall be such as to provide easy access for maintenance purposes
These limit switch shall be mounted without varying the free space on the bridge and trolley and shall always leave a clearance of at least 600 mm along the runway. The mechanical components of power limit switches shall be suitably anchored so as to prevent their falling down in case of failure