BSI publishes a wide range of standards and publications on crane and machinery-related health and safety. These include codes of practice for operating and supervising personnel, requirements for the design of cranes, and guidelines for inspection, testing and examination.
The misuse of cranes through lack of knowledge and understanding of hazards and safe working procedures is a major cause of accidents. BSI standards and publications will help you minimize risks and meet essential health and safety requirements of regulations such as the Machinery Directive.
Click here to see all related standards and publications in the BSI Shop.
BS 939 is the specification for the try squares cylindrical squares and block squares used by mechanical engineers.
Mechanical engineers and engineering designers should use BS 939 to ensure that all users maintain the same level of precision accuracy.
