Noble Corporations “Noble Discoverer” (Former Name: Frontier Discoverer) was significantly upgraded by GB Marine. GB Marine’s scope of work which included an extensive redesign and upgrade of various features of the vessel include addition of a Sponson, helideck, new accommodations, aft deckhouse and bridge, forward deckhouse and bridge, riser tension foundation, anchor arrangements, structural fire protection and safety plans, piping systems, lifeboat arrangement and landing platform, inclining experiment, and intact and damage stability computations for compliance with ABS Class requirements.