Petrobras subsidiaries Tupi BV and Guará BV, together with consortium members BG Group, Petrogal Brasil, and Repsol Sinopec Brasil SA, have given the go-ahead for ten contracts totaling US$4.5 billion for the construction of the first six topside modules (processing plant, utilities and living quarters) for eight identical (“Replicant”) FPSOs (Floating, Production, Storage and Offloading units). The modules are to be constructed in Brazil for pre-salt projects (a geophysical layer) in Santos Basin blocks BM-S-9 and BM-S-11. The contracts will be signed in the next few days.