Table 2.4.17-2— Flood Damages by Decade, Alternative Projects 

 [Applicable discount rate; ] 



Project 



No. 1 . 

 No. 2. 

 No. 3. 



Time period ' 



PO 



P10 



P20, 

 etc. 



AAE 



' The designations PI and P20 Identity the 10th and 20th years, respectively, of project life. 

 ' Average annual equivalent. 



Table 2.4.17-3— Flood Damages by Decade Without Project 



(Applicable discount rate: ] 



The designations P10 and P20 identify the 10th and 20th years, respectively, of project life. P-50 is 1932. P-40 is 1942, etc. 

 ' Average annual equivalent. 



Table 2.4.17-4— Number of Acres (or Structures), Floodplain Without Project ' 



• Comparable tables may be made for all alternatives, if pertinent. 



'The designations P10 and P20 identify the 10th and 20th years, respectively, of project life. 



Section V— NED Benefit Evaluation 

 Procedures: Power (Hydropower) 



2.5.1 Introduction. 



This section describes procedures for the evalua- 

 tion of national economic development (NED) 

 benefits of hydropower features of water resources 

 projects and plans. These features include single- 



purpose hydropower, the inclusion of hydropower 

 as a function in new multipurpose projects, addition 

 of power-generating facilities to existing water re- 

 source projects, and expansion of existing hydro- 

 power plants. 



41 



