by flooding down a dock ship, floating the lighters on board, and then de-ballasting the dock ship again (proposal), by floating the lighters between hulls of a catamaran and securing them in place (this is done with some of the lighters in the Bacat System; otherwise known as Straddle Carrier).
Ngokuphuphumisela phantsi idokisi lenqanawa ngokudadisela izikhanyisi kwibhodi, nangoku ngalayishi amaplanga anzima kwidokisi lenqanawa kwakhona (icebo) nokudadisa izikhanyisi phakathi kwiziqu ezibini zezikhitshane ezidityanisiweyo kwaye zigcinwe endaweni (lonto yenziwa zizikhanyisi kwisixokelelwano se bacat , ngapha koko yaziwa ngokuba sisiphathi esingxabalazileyo