FIDIC - Conditions of Contract for EPC-Turnkey Projects.doc. GUIDANCE FOR THE PREPARATION OF PARTICULAR CONDITIONS Conditions of Contract for EPC/Turnkey Projects FORMS OF LETTER OF TENDER, CONTRACT AGREEMENT AND DISPUTE ADJUDICATION AGREEMENT First Edition 1999. FIDIC’s Red and Yellow Books (i.e. Standard forms of contract for works of. . Silver Book 1999 – Conditions of Contract for EPC/Turn Key Projects. 1999 Pre-Release Version Yellow Book unveiled 6-7 December 2016 at the International Contract Users Conference in London. Before this there was only the FIDIC Guidance Memorandum to Users of the 1999 Conditions of Contract (1 April 2013).