Self propelled dynamically positioned reel pipe laying ship

Abstract From the Canadian patent

A self propelled reel pipelaying ship having, forward, midship, and stern sections and baseline, tank, top, and main deck levels comprising substantially long-, itudinal outer hull members and port and starboard side inner longitudindal bulkheads, each extending substantially the length of the ship, the hull members and bulkheads extending from the baseline to the main deck level in the forward and stern sections and, in the midship section substantially, above the main deck level substantially horizontal transverse-, midship structural members extending between the top portions of the raised midship sections of the outer hull members and inner longitudinal bulkheads, intermediate …