The Alahama-Coosa River System 



177 



Original estimates of the number, type, and size of structures in 

 the Alabama Power Company's plan were modified as a result of 

 engineering studies undertaken following issue of the preliminary 

 permit. The structures initially contemplated at Fort William 

 Shoals, Drake Island, and Lock 2, were supplanted, by plans for 

 increasing the height of the existing Lay Dam and developing 

 alternate structures at Kelly Creek and Lock 3. The total comple- 

 ment appears in Table 29. 



TABLE 29. Projects of tfie Alabama Power Company Plan of 

 Development for the Coosa River 



Contemplated Estimated investment 



generating capacity (kw.) (thousand 1956 dollars) 



Project Initial Ultimate Initial Ultimate 



Leesburg 56,000 84,000 27,520 30,198 



Lock 3 48,400 72,600 18,561 21.406 



Kelly Creek 83,400 125,100 27,877 31,135 



Lay (modified) 48,000 96,000 21,552 24,577 



Subtotals" 235,800 377.700 95,510 107,316 



Wetumpka 44,000 44,000 13.645 13,645 



Total 279,800 421.700 109.155 120,961 



Source: Alabama Power Company^ Application, op. cit.. Exhibit I as revised 

 May 15. 1956. 



' Corresponds to the Corps of Engineers' complement of facilities above the 

 existing Alabama Power Company dams. 



The proposed Leesburg reservoir at full power pool would have 

 an area of 27,400 acres and would extend upstream approximately 

 50 miles. A power drawdown of six feet would provide 135,000 

 acre-feet of storage for regulating the river flows and would increase 

 the generation of energy at downstream plants. A controlled sur- 

 charge storage above full power pool would be made to afford 

 additional regulation in the control of floods. The power rule 

 curve for the operation of Kelly Creek Reservoir calls for a draw- 

 down to elevation 455 by January 1 of each year; maintaining the 

 pool at this level throughout the first three months, subject to 

 fluctuations caused by floods; and permitting the pool level to rise 



