The URL can be used to link to this page

Home My WebLink AboutSW6210601_Design Calculations (Riprap)_20210603DATE DESIGN PHASE 5-14-21 PRELIM ROJECT NAME P OJ rGraceland PROJECT NO CONSTR x c Subdivision 1656 REVISION RECORD -I L LOC OCATION BY lHoke County, North Carolina CEK OTHER (SPECIFY) CHECK CSB Storm Outlet Structure FES No.= FES-10 Pipe Dia= 30 in Q10= 30.22 cfs Qfull = 57.20 cfs Vfull = 11.64 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Length Storm Outlet Structure FES No.= FES-25 Pipe Dia= 18 in Q10= 4.95 cfs Qfull = 7.36 cfs Vfull = 4.16 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Zone D5o DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Zone D50 DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Q10/Qfu I 1 0.53 V/Vfu I 1 1.01 V 11.8 fps 3 10 in 15 in 1 22.5 in 20.0 ft 7.5 ft 22.5 ft Q10/Qfu I 1 0.67 V/Vfu I 1 1.07 V 4.4 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 1 OF 8 DATE DESIGN PHASE PRELIM 5-14-21 P OJ ROJECT NAME rGraceland PROJECT NO CONSTR x Subdivision 1656 REVISION RECORD I nrA LOCATION BY Hoke County, North Carolina CEK OTHER (SPECIFY) I ICHECKED BY CSB Storm Outlet Structure FES No.= FES-28 Pipe Dia= 18 in Q10= 6.42 cfs Qfull = 7.43 cfs Vfull = 4.20 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Length Storm Outlet Structure FES No.= FES-43 Pipe Dia= 18 in Q10 = 9.82 cfs Qfull = 9.21 cfs Vfull = 5.21 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Zone D5o DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Zone D50 DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Q10/Qfu I 1 0.86 V/Vfu I 1 1.12 V 4.7 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Q10/Qfu I 1 1.07 V/Vfu I 1 1.13 V 5.9 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 2 OF 8 DATE DESIGN PHASE PRELIM 5-14-21 P OJ ROJECT NAME rGraceland PROJECT NO CONSTR x Subdivision 1656 REVISION RECORD I nrA LOCATION BY Hoke County, North Carolina CEK OTHER (SPECIFY) I ICHECKED BY CSB Storm Outlet Structure FES No.= FES-48 Pipe Dia= 18 in Q10= 6.04 cfs Qfull = 7.52 cfs Vfull = 4.25 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Length Storm Outlet Structure FES No.= FES-51 Pipe Dia= 18 in Q10 = 2.70 cfs Qfull = 7.43 cfs Vfull = 4.20 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Zone D5o DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Zone D50 DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Q10/Qfu I 1 0.80 V/Vfu I 1 1.11 V 4.7 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Q10/Qfu I 1 0.36 V/Vfu I 1 0.91 V 3.8 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 3 OF 8 DATE DESIGN PHASE PRELIM 5-14-21 P OJ ROJECT NAME rGraceland PROJECT NO CONSTR / x / Subdivision 1656 REVISION / x / RECORD / x / I nrA LOCATION BY Hoke County, North Carolina CEK OTHER / x / (SPECIFY) I I BY ICHECKED CSB Storm Outlet Structure FES No.= FES-55 Pipe Dia= 18 in Q10= 3.53 cfs Qfull = 7.43 cfs Vfull = 4.20 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Length Storm Outlet Structure FES No.= FES-59 Pipe Dia= 18 in Q10 = 3.39 cfs Qfull = 7.43 cfs Vfull = 4.20 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Zone D5o DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Zone D50 DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Q10/Qfu I 1 0.48 V/Vfu I 1 0.99 V 4.1 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Q10/Qfu I 1 0.46 V/Vfu I 1 0.97 V= 4.1 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 4 OF 8 DATE DESIGN PHASE PRELIM 5-14-21 P OJ ROJECT NAME rGraceland PROJECT NO CONSTR / x / Subdivision 1656 REVISION / x / RECORD / x / I nrA LOCATION BY Hoke County, North Carolina CEK OTHER / x / (SPECIFY) I I BY ICHECKED CSB Storm Outlet Structure FES No.= FES-68 Pipe Dia= 24 in Q10= 11.24 cfs Qfull = 12.63 cfs Vfull = 4.01 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Length Storm Outlet Structure FES No.= FES-73 Pipe Dia= 18 in Q10 = 4.59 cfs Qfull = 11.21 cfs Vfull = 6.34 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Zone D5o DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Zone D50 DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Q10/Qfu I 1 0.89 V/Vfu I 1 1.13 V 4.5 fps 2 8 in 12 in B 18 in 12.0 ft 6 ft 14.0 ft Q10/Qfu I 1 0.41 V/Vfu I 1 0.94 V 6.0 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 5 OF 8 DATE DESIGN PHASE PRELIM 5-14-21 P OJ ROJECT NAME rGraceland PROJECT NO CONSTR / x / Subdivision 1656 REVISION / x / RECORD / x / I nrA LOCATION BY Hoke County, North Carolina CEK OTHER / x / (SPECIFY) I I BY ICHECKED CSB Storm Outlet Structure FES No.= PO-75 Pipe Dia= 36 in Q10= 31.64 cfs Qfull = 52.73 cfs Vfull = 7.45 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Length Storm Outlet Structure FES No.= PIPE 2 OUT Pipe Dia= 18 in Q10 = 1.43 cfs Qfull = 8.30 cfs Vfull = 4.69 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Zone D5o DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Zone D50 DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Q10/Qfu I 1 0.60 V/Vfu I 1 1.05 V 7.8 fps 3 10 in 15 in 1 22.5 in 24.0 ft 9 ft 27.0 ft Q10/Qfu I 1 0.17 V/Vfu I 1 0.72 V 3.4 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 6 OF 8 DATE DESIGN PHASE PRELIM 5-14-21 P OJ ROJECT NAME rGraceland PROJECT NO CONSTR / x / Subdivision 1656 REVISION / x / RECORD / x / I nrA LOCATION BY Hoke County, North Carolina CEK OTHER / x / (SPECIFY) I I BY ICHECKED CSB Storm Outlet Structure FES No.= PIPE 3 OUT Pipe Dia= 18 in Q10= 1. 13 cfs Qfull = 13.92 cfs Vfull = 7.87 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Length Storm Outlet Structure FES No.= FES-35 Pipe Dia= 18 in Q10 = 6.42 cfs Qfull = 7.43 cfs Vfull = 4.20 fps From Fig. 8.06.b.l: From Fig. 8.06.b.2: Zone D5o DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Zone D50 DMAX Riprap Class Apron Thickness Apron Length Apron Width @ Outlet Apron Width @ End Q10/Qfu I 1 0.08 V/Vfu I 1 0.59 V 4.6 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Q10/Qfu I 1 0.86 V/Vfu I 1 1.12 V 4.7 fps 2 8 in 12 in B 18 in 9.0 ft 4.5 ft 10.5 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 7 OF 8 DATE DESIGN PHASE PRELIM 5-14-21 P ROJECT NAME OJ CT rGraceland ! PROJECT NO CONSTR / x / jvIs Subdivision 1656 REVISION RECORD / x / / x / I nrA LOCATION BY Hoke County, North Carolina CEK OTHER (SPECIFY) / x / CHECKff� ,CSB Storm Outlet Structure FES No.= TSB4 OUT Q10/Qfu I 1 0.63 Pipe Dia= 24 in V/Vfu I 1 1.06 Q10= 23.80 cfs V= 12.6 fps Qfull = 37.70 cfs Vfull = 11.99 fps From Fig. 8.06.b.l: Zone 3 From Fig. 8.06.b.2: D5o 10 in DMAX 15 in Riprap Class 1 Apron Thickness 22.5 in Apron Length 16.0 ft Apron Width @ Outlet 6 ft Length Apron Width @ End 18.0 ft Storm Drainage for Spread.xIs LATEST REVISION: 6/3/2021 2:10 PM PAGE 8 OF 8