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<br />42 <br /> <br />St~ - Obtain and Develop~E.CQQr_'at,,-_D"Et~~[~a~l1illl!=_R~lat~~Ort_~hiRS. <br />Flood damages are calculated wlth the use of depth of flooding <br /> <br />versus dollar damage tables or curves for various types of res'dential, <br /> <br />commercial or industrial structures. Several cjovernment organlzations <br /> <br />have compiled data of this type including the Federal Insurance Adminis- <br />tration (FIA), the Corps of Engineers, the Soil Conservation Service <br /> <br />(SCS), and the Tennessee Valley A~t~ority (TVA). It is felt that <br /> <br />currently FIA has the most applicable data for estimating flood damages <br /> <br />for residential structures because they have made a speCific effort to <br /> <br />generalize a great deal of data (2). FIA has only presented such data <br /> <br />for residential and small business structures. Generalized curves for <br /> <br />commercial and industrial area~, do not cunently exist. These must <br /> <br />be handled on a case--by-case bilSis. The FIA tables are presented at <br /> <br />the end of this Appendix. <br /> <br />Step 7 - Obtain cost and perfo(manc:e d-,lta_J.()j"'~altec~ti_v!=..s._t~_b~ <br />considered <br />--- <br /> <br />Data must be collected to allow computation of the following costs <br /> <br />for each drainage management alternative: <br /> <br />1. Right-of-way acquisition <br /> <br />2. Construction and ensineering <br /> <br />3. Fiscal and administrative <br /> <br />4. Discount rate <br /> <br />5. Annual operation and maintenance <br /> <br />6. Insurance <br /> <br />A table reflecting the annual costs over the life of the inprove- <br /> <br />ment must be constructed. <br />