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Table 1

Characteristics of the reservoir dam, the regulatory dam, and the diversion dam

Dez Reservoir damDez regulatory damDez diversion dam
Dam form: Two-arched concrete Dam form: concrete Dam form: free concrete overpass 
Dam height: 203 m Crest elevation: 141 m Spill elevation: 116.5 m 
Dam elevation: 354 m Dam height: 20 m Dam length: 394 m 
Crest length: 212 m Crest length: 136 m Drainage length : 633.7 km 
Gate length: 65 km Length of stilling basin: 32 m Spill height: 4 m 
Total reservoir volume: 3.3 BCM Lake capacity: 14 MCM Length of main eastern canal: 113.5 km 
Reservoir useful volume: 2.7 BCM Lake area: 360 ha Length of main western canal: 93 km 
Dam basin area: 17,000 km2 Spillway capacity: 6,000 m3/s Capacity of main eastern canal: 92 m3/s 
Maximum power generation height: 290 m Capacity of main Sabili canal: 13 m3/s Capacity of main western canal: 157 m3/s 
Dez Reservoir damDez regulatory damDez diversion dam
Dam form: Two-arched concrete Dam form: concrete Dam form: free concrete overpass 
Dam height: 203 m Crest elevation: 141 m Spill elevation: 116.5 m 
Dam elevation: 354 m Dam height: 20 m Dam length: 394 m 
Crest length: 212 m Crest length: 136 m Drainage length : 633.7 km 
Gate length: 65 km Length of stilling basin: 32 m Spill height: 4 m 
Total reservoir volume: 3.3 BCM Lake capacity: 14 MCM Length of main eastern canal: 113.5 km 
Reservoir useful volume: 2.7 BCM Lake area: 360 ha Length of main western canal: 93 km 
Dam basin area: 17,000 km2 Spillway capacity: 6,000 m3/s Capacity of main eastern canal: 92 m3/s 
Maximum power generation height: 290 m Capacity of main Sabili canal: 13 m3/s Capacity of main western canal: 157 m3/s 
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