 In August 2017, the contracts for the civil engineering part of Phase One of HS2 were signed with a total value of around £6 billion.The contractors included Balfour Beatty and joint ventures SCS JV (Skanska, Costain, STRABAG), Align JV (Bouygues, VolkerFitzpatrick, Sir Robert McAlpine) and CEK JV (Carillion, Eiffage, Kier).In early 2018, the two projects awarded to CEK JV became shared 50/50 between Eiffage and Kier, following the collapse of Carillion.