1. Introduction and summary - Purpose and context, Guide to contents, Calculating the benefits of urban flood protection, Estimating flood protection costs, Computer processing, Glossary of terms. 2. Benefit-cost analysis and urban flood protection - Financial analysis, Individual utility analysis, Economic efficiency benefit-cost analysis, Complementary project appraisal methods. 3. Indirect flood losses: principles, measurement and data - The effects of flooding on the urban economy, The modelling of indirect flood losses, Principles of flood loss measurement, The data collection process. 4. Assessing flood loss potential in manufacturing activities - Summary of information and methods, Previous experience, Principles of loss assessment, Research development and survey results, Flood loss assessment methods, Computational procedures. 5. Assessing flood loss potential in retail, distribution, office and leisure service businesses - Principles of vulnerability analysis, Principles of loss assessment, Flood loss assessment methods, Retail etc. business surveys: methods and results, Computational procedures. 6. Assessing the potential costs of traffic disrupted by floods -Principles of loss assessment: road traffic resource and delay costs, Loss assessment methods, Disruption to other transport systems. 7. Assessing the potential costs of utility flooding disruption - Principles of loss assessment, Method 7A/D: Vulnerability analysis with Standard Checklist (Utilities), Previous evaluations of utility outage costs, Method 7B/D: Outage costs for consumers, Survey of the impact of disruption to public utility supplies. 8. Assessing the impacts of flooding on public services - Method 8A/D: Standard Checklist (Public Services), Vulnerability analysis, Computational procedure. 9. Assessing the impacts of flooding on households - Evaluation principles and previous studies, Loss assessment methods, Household flooding impacts: summary of available evidence, Exploratory methodological investigations. 10. Assessing the marginal costs of emergency services during floods - Previous studies, The response of the emergency services to floods, Cost evaluation principles and problems, Cost modelling methods and principles, Loss assessment methods, Service-by-service surveys. 11. Applications and comparisons of selected assessment methods - Flood loss potential for manufacturing plants: the Barnstaple and Trent catchment studies, Emergency service costs in the York-Selby floods of 2-13 January 1982, Assessing road traffic disruption costs: Pulborough and the Soar Valley. 12. Lincoln case study - Purpose, Rationale and context, The appraisal process for Lincoln, Assessment methods and flood loss data, Computations, Results, Proceeding towards a full-scale project appraisal. APPENDICES---1.1 Modified hierarchical land use classification. 1.2 Land use coding forms and coding instructions. 4.1 Generalised average depth/loss (damage) data for manufacturing activities. 4.2 Detailed average depth/loss (damage) data for manufacturing activities - Direct flood loss, Indirect flood loss to nation (short duration), Indirect flood loss to nation (long duration), Indirect flood loss to region (short duration), Indirect flood loss to region (long duration), Indirect flood loss to firm (short duration), Indirect flood loss to firm (long duration), Composition of indirect flood loss to nation (short duration). 4.3 Depth/loss (damage) information from surveyed manufacturing cases - Manufacturing (Sector 8) surveyed cases: estimated indirect flood loss to nation in L per square metre at January 1985 prices (flood duration up to 1 day), Manufacturing (Sector 8) surveyed cases: estimated direct flood loss in L per square metre at January 1985 prices, Manufacturing (Sector 8) surveyed cases: indirect flood loss to nation as a percentage of direct flood loss. 4.4 Five examples of manufacturing flood loss. 4.5 BUSLOSS interactive computer program. 4.6 Comparison of direct flood damage data in Penning- Row sell and Chatterton (1977, p 279-81) for manufacturing firms and equivalent direct flood loss data presented in Appendix 4.3. 5.1 Generalised average depth/loss (damage) data for Retail etc. businesses. 5.2 Detailed average depth/loss (damage) data for Retail etc. businesses - Direct flood loss, Indirect flood loss to region, Indirect flood loss to firm, Estimated number of days of business lost per flooded site. 5.3 Depth/loss (damage) information from surveyed Retail etc. business cases - Indirect loss to firm in L per square metre at January 1985 prices, Direct loss in L per square metre. 5.4 Comparison of direct flood damage data in Penning-Rowsell and Chatterton (1977, p 249-76) for Retail etc. businesses and equivalent direct flood loss data presented in Appendix 5.3. 5.5 Computational procedure to determine a firm's flood loss potential from a completed Business site survey interview schedule. 6.1 MROAD interactive computer program. 6.2 Method for standardising road traffic flow estimates - Expansion factors (and associated average coefficients of variation) for converting short period counts to 16 hour floods, M factors for connecting 16 hour traffic flow counts to annual average daily flows (AADFs). 6.3 Short return period floods: estimation of annual benefits - Example computation of annual benefits for short return period events. 8.1 Direct damage potential L/m2 for selected public land uses. 10.1 Flood scenarios. 10.2 Standard data for emergency service costs. INTERVIEW SCHEDULES, CODING INSTRUCTIONS AND STANDARD CHECKLISTS - 1. Business site survey interview schedule, 2. Coding instructions for Business site survey interview schedule, 3. Standard household questionnaire, 4. Standard checklist for utility survey, 5. Standard checklist for public service establishment survey, 6. Standard checklist for emergency service survey.