What are the key features of FIDIC contracts for international construction?

FIDIC (International Federation of Consulting Engineers) contracts are standard forms for international projects. Key features: Red Book - employer-designed with BOQ, Yellow Book - contractor-designed with lump sum, Silver Book - turnkey with more contractor risk. Common provisions: Engineer role for administration, time for completion with liquidated damages, variation procedures, interim payments based on progress, dispute adjudication board, multi-tiered dispute resolution. Risk allocation varies by book color. Understanding conditions of contract essential for international project management.