Hydro requires a great deal of maintenance to keep the trash rack clean.
2.
The first commercial Westinghouse to replace faulty trash racks at on the dam in 1965.
3.
The accumulation of frazil ice often causes flooding or damage to objects such as trash racks.
4.
Trash racks composed of vertical wooden strakes separated by narrow gaps are very common and perform extremely poorly.
5.
Modern trash racks as used by wedge-wire screens, the Coanda effect, and cleaning robots.
6.
The first commercial saturation dives were performed in 1965 by Westinghouse to replace faulty trash racks at on the Smith Mountain Dam.
7.
The plant suffered extensive flood damage in 1988, where the trash rack and log boom were washed away and damaged the intake and gate machinery.
8.
Finally, the trash rack at the tidal gate at the mouth of Mayfield Slough is an intermittent complete barrier to fish passage when it is closed.
9.
Metal gratings are sturdier and can have narrower strakes, and angling the trash rack properly can allow some self-cleaning from the action of the water.
10.
The first commercial saturation dives were performed in 1965 by Westinghouse to replace faulty trash racks at 200 feet ( 61 m ) on the Smith Mountain Dam.