Must have data that is downloadable by interested parties, such as crane owners or occupiers, on a regular basis. Must be synchronised with the mobile crane as an integrated system without safety implication, undue limitations and restrictions to the crane operation. Must be automatically switched on and be operational whenever the mobile crane is in operation. Status of override key activation (for over-derricking limiter, over-hoisting limiter and rated capacity limiter). Sequence of extension (for telescopic cranes). Boom length, fly jib length (if applicable). Main boom angle, fly jib angle (if applicable). Slew angle (applicable to cranes with safe working load that varies according to the slewing angle). Permitted load, actual load, percentage of usage of rated capacity (for main hook and auxiliary hook). The data logger must be able to record the following operational parameters: Be equipped with data security and anti-tampering feature. Detect and record status of limit switches, including derricking limiter and over-hoisting limiter. when load reaches and exceeds 100% of the cranes rated capacity). Detect and record overloading occurrences (i.e. Detect and record any override key activation for the cranes safety devices, including derricking limiter, over-hoisting limiter and rated capacity limiter. The data logger must be able to perform the following functions: Lifting machines under the above classification codes that do not require the installation of a load radius indicator (LRI) will be exempted from data logger requirements. 651- Mobile Tower Crane (Horizontal Boom). 622- Mobile Crane - Wheel Mounted (w/o prime mover) Fixed Boom Length Type. 621- Mobile Crane - Wheel Mounted (w/o prime mover) Variable Boom Length Type. 612- Mobile Crane - Crawler Mounted Fixed Boom Length Type. 611- Mobile Crane - Crawler Mounted Variable Boom Length Type. 
602- Mobile Crane - Truck Mounted Fixed Boom Length Type.601- Mobile Crane - Truck Mounted Variable Boom Length Type.This is only applicable to mobile cranes with the following classification codes:
Requirement to equip cranes with data loggersĪll mobile cranes registered with MOM on or after 1 August 2015 will have to be equipped with data loggers.Īll existing registered mobile cranes registered before 1 August 2015, will be required to be retrofitted with data loggers by 1 August 2018.
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