In 1999, a suite of three new conditions of contract was published by FIDIC, following the basic structure and wording harmonised and updated around the previous FIDIC Design-Build and Turnkey Contract (the 1992 ''Orange Book''). These conditions, known as the ''FIDIC rainbow, were the Conditions of C- tract for: l Construction, the so-called Red Book, for works designed by the Employer l Plant and Design-Build, the so-called Yellow Book, for works designed by the Contractor l EPC/Turnkey Projects, the so-called Silver Book, for works designed by the Contractor The ?rst is intended for...