919 E MARINE VIEW DR 2018-01-01 MF Import

P:\Projects\13-4517\documents\TIR\Attachments\13-4517Conv032414.xls Page 1 Project: 919 Marine Vw Dr l Job No.: 13-4517 Prepared by: JMB Checked by: Revised: STORM FREQUENCY(YRS) RUNOFF COEFFICIENTS a b LAND COVER C Rational"C"Value Calculations be Sub-Basin 2 1.58 0.58 Dense forest 0.10 Sub Basin Imp SF Imp AC Pery SF Pery AC Total AC imp C x Aeery C x A( Weighted C 5 2.33 0.63 Light forest 0.15 0.900 0.250 10 2.44 0.64 Pasture 0.20 5 11000 0.253 1050 0.024 0.28 0.227 0.006 0.84 25 2.66 0.65 Lawns 0.25 4 1170 0.027 0 0.000 0.03 0.024 0.000 0.90 50 2.75 0.65 Playgrounds 0.30 3 6480 0.149 6690 0.154 0.30 0.134 0.038 0.57 100 2.61 0.63 Gravel areas 0.80 SD to CB2 4430 0.102 0 0.000 0.10 0.092 0.000 0.90 Pavement and roofs 0.90 VALUES USED FOR THIS SPREADSHEET Open water(ponds,lakes,wetlands) 1.00 , P= I 2.75 1 25 FOR SINGLE FAMILY RES.AREA SEE KCSWM PAGE3.2.I-A a= 2.66 year b= 0.65 25 YEAR STORM UNIFORM FLOW ANALYSIS METHOD"RATIONAL METHOD" Upstream Upstm Dwnstm Sub-basin Upstm CB Dnstm CB Rim elev. IE IE Description Area(Ac.) C C*A Sum(C*A) Tc(min) i. I, Q,(cfs) Pipe(in) Length(ft) n Slope Qr(cfs) Vr(fps) Qr/Qr q/Q5„a d/D V,/Vr N Depth Vr(fps) T1(min) 12 10 62.40 56.50 44.98 5 0.28 0.84 0.233 0.233 6.300 0.804 2.211 0.516 12 115 0.012 0.1002 12.249 15.596 0.042 0.040 #N/A #N/A #N/A #N/A #N/A II 10 47.00 45.25 44.98 4 0.03 0.90 0.024 0.024 6.300 0.804 2.211 0.053 _ 8 47 0.012 0.0057 0.995 _ 2.850 0.054 0.050 4N/A 4N/A #N/A 4N/A #N/A - 14 9 51.00 45.20 44.80 SD to 2 0.10 0.90 0.092 0.092 6.300 0.804 2.211 0.202 6 _ 85 0.012 0.0047 0.418 2.129 0.484 0.480 4N/A 4N/A 4N/A 4N/A 4N/A 10 9 49.00 44.98 44.80 3 0.30 0.57 0.172 0.430 6.300 0.804 2.2 1 1 0.950 12 8 0.012 0.0225 5.805 7.391 0.164 0.160 #N/A #N/A #N/A 8N-A 4N/A 9 tank 49.38 40.55 40.50 2 0.00 0.00 , 0.000 0.521 6.300 0.804 2.211 1.153 36 5 0.012 0.0100 72.451 10.250 _ 0.016 0.010 #N/A #N/A #N/A #N/A 4N/A 25 YEAR STORM BACKWATER Upstream Dwnstm Upstm Barrel Barrel Vel. Bar Vel TW elev. Frict.Loss EntI1GL Ent.Head Exit Ilead Outlet cost Inlet cont Appr.Vel. Bend Bend Bend Head Junction June.Head 11W elev Freeboard Dnstm CB Upstm CB Rim elev. IE I F. Qr*(cfs) Length(0) Pipe(ft) n ,Area(ft^2) S_fps) Head(ft) (ft) Sft) elev(ft.) Loss(ft.) Loss(ft.) elev.(0) _elev.(ft) Head(ft) _Angle Coeff(Kb) Loss(ft) _Coe IT(Kj) Loss(ft) (ft.) (ti.) tank 9 49.38 40.50 40.55 1.153 5 3.00 0.012 7.069 0.16 0.000 44.00 0.000 44.00 0.000 0.000 44.00 42.350 0.000 0 0.00 0.000 0.0 0.000 44.00 5.38 9 10 49.00 44.80 44.98 0.950 8 1.00 0.012 0.785 1.21 0.023 44.00 0.005 44.01 0.011 0.023 44.04 45.580 0.023 90 1.34 0.030 0.0 0.000 45.59 3.41 9 14 51.00 44.80 45.20 0.202 85 0.50 0.012 0.196 1.03 0.016 44.00 0.093 44.09 0.008 0.016 44.12 45.500 0.016 90 1.34 0.022 0.0 0.000 45.51 5.49 10 II 47.00 44.98 45.25 0.053 47 0.67 0.012 0.349 0.15 0.000 45.59 0.001 45.59 0.000 0.000 45.59 45.650 0.000 90 1.34 0.000 0.0 0.000 45.65 1.35 10 12 62.40 44.98 56.50 0.516 115 1.00 0.012 0.785 0.66 0.007 45.59 0.020 45.61 0.003 _ 0.007 45.62 57.100 0.007 90 1.34 0.009 0.0 0.000 57.10 5.30 • Page 1