Overall 3 • to complete both ships is £240m, excluding warranty costs post handover. total forecast cost o plus, a worst-case contingency for additional costs ranging from c£5m - c£30m. • the issues identified and costed within this range include, for example, estimates for: issues arising from trials, procurement, resourcing, or design upgrade risks, oo expansion of design scope following trials, inflation, and man hours increase with contractors - particularly for Glen Rosa, and o costs of any extension of timelines of worst-case 0-6 months with Glen Sannox and 0-7 months with Glen Rosa to deal with contingency issues. • committed total spend to date on both ships is c£185m.