Rán Offshore aremanager for four standard North Sea barges (300'x90'/91x27m), the GREENBARGES,and one 400'x120'/122x36m heavy deck cargo barge, the RANBARGE 1, all operatingout of Rotterdam and Stavanger. These barges have built-in ballast system witha deck load of 25T/m2. The GREENBARGES also have a built-in ballast watertreatment system, using electrolytic disinfection technology, treating thewater during uptake to the ballast tanks.