Preface xi Introduction xv 1 Types of Claims 1 1.1 What Are Claims?. A Disruption Claim Example Schedule refer to 11.1.15 154 12 Prolongation Costs 155 12.1 Prolongation 155 12.2 HO Overheads 160 12.3 The Hudson Formula 161 12.3.1 Modified Hudson (to Remove Double Counting of Profit on Profit) 161 12.4 The Emden Formula 161 12.5 The Eichleay Formula 162 13 Thickening Claims 163 13.1 Thickening 163 Index 173.