Design specifications Client:
| The Bluestream Group te Den Helder | | Object: | A-Frame with diving cage | MGW A-Frame: | 5800kg | | MGW Duikkooi: | 3100kg | | Code: | DNV 2.7-1 & EN 12079, IMCA D014,
D018, D023, DNV lifting appliances |
Problem definitionIn order to bring divers in a safe manner underwater the use of an A-Frame with diving cage is required. The divers stand in the cage, which is lowered by a winch.
Om professionele duikers in het water te laten, maakt men gebruik van een A-Frame met Duikkooi. De Duikers nemen plaats in de kooi, welke door middel van een lier kan zakken. Contribution of Stemar EngineeringStemar made a proposal for the A-frame and the diving cage. After several meetings with the client and the users practical options were added. After this stage the complete shop drawings were made for contracting. The stress calculations were necessary for the inspection of the notified body. The A-frame and cage were judge for the man-riding usage.A-Frame (man-riding). ResultSince the first design 5 sets are built. In 2008 we raised the lift capacity to 3100kg.
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