Cochin Shipyard Limited (CSL) on Wednesday delivered a platform supply vessel to Purple Fleet Ltd, an affiliate of Tide Water Marine International of US. This is the 15th platform supply vessel built at CSL. The documents of the ship named ‘Davis Tide’ was signed by Jose Mathew, chief general manager - shipbuilding, CSL, and Philip Grema from Purple Fleet. CSL is constructing 16 offshore support vessels.