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Certification records must be updated monthly for critical items in use such as brakes, crane hooks, and ropes. They must show the date of inspection, the signature of the person who performed the inspection and the serial number or other identifier of the crane that was inspected. This certification record must be kept readily available, so it is advisable to keep a copy in the crane at all times. Wire rope & sling inspection A thorough inspection of all running ropes in use must be made at least once a month and a certification record which includes the date of inspection, the signature of the person who performed the inspection and an identifier for the ropes must be prepared and kept on file where readily available. An appointed or authorized person must perform all inspections. If rope deterioration is noted that may result in appreciable loss of the rope's original strength, the inspector needs to determine whether further use of the rope would constitute a safety hazard. Some of the conditions that could result in an appreciable loss of strength are the following: o Reduction of rope diameter below nominal diameter due to loss of core support, internal or external corrosion, or wear of outside wires. ❑ A number of broken outside wires and the degree of distribution of concentration of such broken wires. ❑ Worn outside wires. ❑ Corroded or broken wires at end connections. ❑ Corroded, cracked, bent, worn, or improperly applied end connections. o Severe kinking, crushing, cutting, or un -stranding. On other ropes, heavy wear and/or broken wires may occur in sections in contact with equalizer sheaves or other sheaves where rope travel is limited, or with saddles. Particular care shall be taken to inspect ropes at these locations. All rope that has been idle for a period of a month or more due to shutdown or storage of a crane on which it is installed must be given a thorough inspection before it is used. A certification record that includes the date of inspection, the signature of the person who performed the inspection, and an identifier for the rope that was inspected shall be prepared and kept readily available. Particular care shall be taken in the inspection of non -rotating rope. Slings shall be inspected for damage or defect daily before use by a qualified person. 26