Fish ladder facility

Abstract

Present invention comprises a separate bypass channel that is installed on one side of the dam connecting upstream and downstream; water supply for fish ladder which is installed upstream, spillway wall disposed downstream of dam and having groove, a first fish ladder facility which connects said water supply and the spillway wall and has a predetermined number of the partition wall with a passage opening respectively, which are structured in a stepwise manner The first even and facility are installed on the upstream side inlet of the bypass channel is configured; and a second fish ladder facility which comprises inclined channel installed for discharging water to the side of the dam, sloping and comb wall contiguous installed to alternately at predetermined intervals on both sides of the main wall of the inclined channel, and movement passage in the shape of pipe shape that connects upstream and downstream on the inner bottom of the dam, which is provided in the middle of said bypass channel.

1 . A fish ladder facility comprises a separate bypass channel that is installed on one side of the dam connecting upstream and downstream; water supply for fish ladder which is installed upstream, spillway wall disposed downstream of dam and having groove, a first fish ladder facility which connects said water supply and the spillway wall and has a predetermined number of the partition wall with a passage opening respectively, which are structured in a stepwise manner The first even and facility are installed on the upstream side inlet of the bypass channel is configured; and a second fish ladder facility which comprises inclined channel installed for discharging water to the side of the dam, sloping and comb wall contiguous installed to alternately at predetermined intervals on both sides of the main wall of the inclined channel, and movement passage in the shape of pipe shape that connects upstream and downstream on the inner bottom of the dam, which is provided in the middle of said bypass channel. 
     
     
         2 . The fish ladder facility according to  claim 1 , a pond with a pumping facility is provided in a least one side of the first fish ladder facility. 
     
     
         3 . The fish ladder facility according to  claim 2 , a water pressure buffer opening is provided between the spillway wall and the fish ladder of the first fish ladder facility. 
     
     
         4 . The fish ladder facility according to  claim 1 , the first fish ladder facility has turning part in the fish ladder. 
     
     
         5 . The fish ladder facility according to  claim 1 , a shelter in the form of pool is provided one passage side of the first fish ladder facility. 
     
     
         6 . The fish ladder facility according to  claim 5 , the shelter in the form of pool is provided the other passage side of the first fish ladder facility. 
     
     
         7 . The fish ladder facility according to  claim 1 , the fish ladder facility further comprises a contoured shape of the groove formed in the groove in the inclined bottom surface of the second fish ladder facility; and artificial plants attached to the movement passage. 
     
     
         8 . The fish ladder facility according to  claim 1 , the flow channels of the second fish ladder facility are composed of zigzag pattern. 
     
     
         9 . The fish ladder facility according to  claim 8 , the flow channel outlet-side passage provided at a lower side of the dam forms zigzag pattern.