Ayres Knowledge Center Scour Evaluation: Bridges with Unknown Foundations | Page 16

Smyrna_to_Hwy_100 Plan: 100_year_PonceInletN-Rev 3/19/2012 RS = 72557.88 Cross section modified with Ayres 2011 survey data between stati .12 .027 .12 20 Legend EG 13JAN2012 0520 15 WS 13JAN2012 0520 -2.5 ft/s -2.0 ft/s 10 -1.5 ft/s -1.0 ft/s 5 -0.5 ft/s 0.0 ft/s 0 Ground Ineff -5 Bank Sta -10 -15 -20 1000 2000 3000 4000 5000 6000 7000 Station (ft) Plan: 100-yearRev E.G. Elev (ft) Vel Head (ft) W.S. Elev (ft) Crit W.S. (ft) E.G. Slope (ft/ft) Q Total (cfs) Top Width (ft) Vel Total (ft/s) Max Chl Dpth (ft) Conv. Total (cfs) Length Wtd. (ft) Min Ch El (ft) Alpha Frctn Loss (ft) C & E Loss (ft) !"#$"% #%&&&&&&&&&&&&&&&&&&&'()*+ Supplementary Report Halifax River Upper Reach RS: 71857.17 Profile: 13JAN2012 0550 5.24 Element Left OB Channel Right OB 0.04 Wt. n-Val. 0.12 0.027 0.033 5.2 Reach Len. (ft) 1099.07 1050.03 1101.91 Flow Area (sq ft) 159.29 24689.61 4422.51 0.000033 Area (sq ft) 159.29 24689.61 4422.51 -42844.3 Flow (cfs) -14.26 -39621.59 -3208.45 3722.53 Top Width (ft) 112.29 2149.19 1461.05 -1.46 Avg. Vel. (ft/s) -0.09 -1.6 -0.73 22.23 Hydr. Depth (ft) 1.42 11.49 3.03 7476310 Conv. (cfs) 2488.6 6913949 559872.7 1052.09 Wetted Per. (ft) 112.39 2151.02 1464.3 -17.03 Shear (lb/sq ft) 0 0.02 0.01 1.13 Stream Power (lb/ft s) 6498.5 0 0 0.05 Cum Volume (acre-ft) 5.41 1207.63 117.7 Cum SA (acres) 1.7 54.59 30.59 ,-./&#<&01&2# 3%4 #225%2&&&&&&&&&&&&&&&&&&67(89:&);&<=2 Page SR-16 2