A position measuring device including a detector unit that generates position-dependent scanning signals and a transmitting unit that transmits instantaneous values of the position-dependent scanning signals in a preset scanning clock pulse. The vessel hull includes at least a landing platform, a component transfer means, and a deployment platform suitable for deploying the riser components into associated surrounding waters. The protected value is fixed at the time of a particular event at a value at least equal to the greatest of the initial deposit, the account balance at the time of the particular event, and the highest value of the account balance on at least one anniversary of a customer specific date between the date of the initial deposit and the time of the particular event.