Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 18 - OVERHEAD AND GANTRY CRANES
OPERATORS AND OPERATIONS
Section R. 408.11874 - Rated load test

Rule 1874. Before initial use, all new, extensively repaired, and altered cranes shall be tested and inspected by or under the direction of a designated or authorized person and a written report which confirms the load rating of the crane shall be furnished by the person. The load rating shall not be more than 80% of the maximum load sustained during the test. Test loads shall not be more than 125% of the rated load, unless otherwise recommended by the manufacturer. The test reports shall be placed on file where readily available to appointed personnel.