Conversion of single to double hull - hull-up technique

摘要

A method of conversion of a single hull vessel to a double hull vessel.;The method including the steps of:a) positioning a section of a second hull (4) shell beneath a first hull (2) of a vessel;b) raising the section of second hull shell to locate it adjacent the first hull;c) attaching the section of second hull shell to the first hull.;The method also including locating the second hull shell in relation to the first hull by means of locating means in the form of male and female locating members.