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The current IChemE forms of contract are: UK contracts: Lump Sum, The Red Book, 5th edition, 2013; Reimbursable, The Green Book, 4th edition, 2013; Target Cost, The Burgundy Book, 2nd edition, 2013; Minor Works, The Orange Book, 2nd edition, 2003; Subcontracts, The Yellow Book, 4th edition, 2013; and Subcontract for Civil Engineering Works, The Brown Book, 3rd...

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