Abstract :
In offshore operations synthetic ropes are still finding new uses, partly because conditions change bringing new requirements, partly because new materials bring new possibilities to simplify operations. With these developments the understanding in the industry increases and this has two effects firstly the conditions of use are adjusted to maximise the safe working life and secondly the requirements for the ropes have changed to make the ropes perform better in a given application. An example of this are the new OCIMF guidelines for SPM (Single Point Mooring) hawsers. These new guidelines reflect the changes in the industry, both for fibre suppliers, rope makers and users. To meet the requirements in the new guidelines changes need to be made in the rope design. Here the new design is introduced for Bexco´s Ultraline Nylon SPM according to the new guidelines and the effect of those changes on the rope properties. First the basic design is discussed, then the properties and the steps taken to optimise the quality.
Keywords :
cable testing; design for quality; oceanographic techniques; polymer fibres; ships; Bexcos Ultraline Nylon SPM; OCIMF guidelines; Oil Companies International Marine Forum; SPM hawser design; fibre supplier; offshore operation; rope maker; rope user; single point mooring system; synthetic rope; Composite materials; Design optimization; Elasticity; Fatigue; Guidelines; Manufacturing; Ocean temperature; Scanning probe microscopy; Textile industry; Water;
