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<br />SUPPLEMENTARY PERTINENT DATA (Cont'd)
<br />
<br />Item
<br />
<br />Description or Quantity & Units
<br />
<br />Spillway (Cont'd)
<br />
<br />Net overflow length
<br />
<br />The net overflow length is 550 feet.
<br />
<br />Number and size of gates
<br />
<br />N/A
<br />
<br />Type of gates
<br />
<br />N/A
<br />
<br />Top gate elevation
<br />
<br />N/A
<br />
<br />Induced surcharge
<br />
<br />The induced surcharge is 20.3 feet
<br />
<br />Design head
<br />
<br />Unknown
<br />
<br />Maximum discharge capacity
<br />
<br />The maximum discharge capacity is
<br />
<br />198,000 c.f.s.
<br />
<br />Bridge deck elevation
<br />
<br />N/A
<br />
<br />Type energy dissipator
<br />
<br />Stilling basin
<br />
<br />Time required to open/
<br />close all gates
<br />
<br />N/A
<br />
<br />Type emergencey closure
<br />and time required
<br />
<br />N/A
<br />
<br />Recurrence interval of
<br />pool attaining crest
<br />elevation
<br />
<br />Recurrence interval is approximately
<br />
<br />1,000 years.
<br />
<br />A-9
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