METODO DI VARO DI UNA TUBAZIONE DA UN NATANTE DI POSA SU UN LETTO DI UN CORPO DI ACQUA E NATANTE DI POSA

摘要

A method of laying a pipeline from a laying vessel into a body of water provides for guiding the pipeline (2) along a supporting structure (13) of a laying ramp (6); acquiring a first and a second image of a respective first and second face of the pipeline (2) in the same acquisition plane crosswise to the axis of the pipeline (2) in the body of water; determining whether the acquired first and second image are within an acceptance range (AR); and determining the distance between the pipeline (2) and the supporting structure (13) at the free end of the laying ramp (6).