1. API RP 2I. Recommended practice for in-service inspection of mooring hardware for floating drilling units, American Petroleum Institute Recommended Practice, vol. 2I. 1st ed. May 1987
2. BS 6570. Code of practice for the selection, care and maintenance of steel wire ropes, British Standards Institution, 1986
3. ISO 4309. Cranes — wire ropes — code of practice for examination and Discard, 2nd ed., International Organisation for Standardisation, Geneva, 1990
4. Lloyd’s Register of Shipping. Code for lifting appliances in a marine environment, Lloyd’s Register of Shipping Code of Practice, London, January 1987