Guidance on Underwater Air Lift Bags
Updated guidance on 'Underwater Air Lift Bags' has been published by the International Marine Contractors Association (IMCA). It addresses the initial and periodic examination, testing, certification and maintenance of underwater type bags (cylindrical totally enclosed, closed and open parachute bags) used by divers to lift submerged objects.
'The main feature of this revision of an existing guidance note is to provide examples of eight different types of lift by means of operational guidance notes, helpful descriptions and useful sketches,'
said IMCA technical director, Jane Bugler.
The document aims to provide clear lift bag guidance on fitness for purpose; examination and testing criteria; maintenance, which should be carried out to ensure the continuing integrity of each bag, as far as is possible, between its periodic tests; operational considerations; operational guidance; and safety precautions to be taken into consideration during their use. It does not apply to water-filled bags used as water weights for testing of other equipment.
Copies of 'Underwater Lift Bags' (IMCA D 016 Rev 3) are available from www.imca-int.com; or from IMCA, 5 Lower Belgrave Street, London SW1W 0NR, UK. Tel: +44 (0)20 7824 5520; Fax: +44 (0)20 7824 5521; email:
email@example.com. Copies can be downloaded free of charge from the members-only website, with additional printed copies available to members at £5 (plus delivery outside Europe). The non-member price is £10 (plus delivery outside Europe).
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