Ayres Knowledge Center Scour Evaluation: Bridges with Unknown Foundations | Page 17

Plan : 100-yearRev
Halifax River
Upper Reach RS : 72557.88
Profile : 13JAN2012 0550
E . G . Elev ( ft )
5.21 Element
Left OB
Channel
Right OB
Vel Head ( ft )
0.05 Wt . n-Val .
0.12
0.027
0.12
W . S . Elev ( ft )
5.17 Reach Len . ( ft )
766.11
700.8
664.06
Crit W . S . ( ft )
Flow Area ( sq ft )
94.31
23857.9
3076.21
E . G . Slope ( ft / ft )
0.000039 Area ( sq ft )
94.31
23857.9
3076.21
Q Total ( cfs )
-42336.9 Flow ( cfs )
-12.4 -41952.96
-371.53
Top Width ( ft )
3604.86 Top Width ( ft )
42.33
1984.92
1577.61
Vel Total ( ft / s )
-1.57 Avg . Vel . ( ft / s )
-0.13
-1.76
-0.12
Max Chl Dpth ( ft )
21.85 Hydr . Depth ( ft )
2.23
12.02
1.95
Conv . Total ( cfs )
6773984 Conv . ( cfs )
1983.9
6712554
59445.9
Length Wtd . ( ft )
699.28 Wetted Per . ( ft )
42.59
2063.94
1577.9
Min Ch El ( ft )
-16.68 Shear ( lb / sq ft )
0.01
0.03
0
Alpha
1.25 Stream Power ( lb / ft s )
6296.7
0
0
Frctn Loss ( ft )
0.02 Cum Volume ( acre-ft )
7.64
1598.15
174.86
C & E Loss ( ft )
Cum SA ( acres )
3.06
87.85
53.75
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Supplementary Report Page SR-17