SW6230603_Design Calculations_20240816 (7)

OUTLET PROTECTION DATE DESIGN PHASE
DESIGN 03-21-23 PRELIM / /
PROJECT NAME PROJECT NO CONSTR / X /
Aberdeen US 15-501 Dollar General 1938 REVISION / /
LOCATION BY RECORD / /
St. Pauls, North Carolina CSB OTHER / /
CHECKED BY (SPECIFY)
CSB
Storm Outlet Structure
FES No.= P0-2 Qio/Qfull = 0.04
Pipe Dia= 18 in V/Vfull = 0.42
Q10= 0.44 cfs V= 2.4 fps
Qfull = 10.09 cfs
Vfull = 5.70 fps
From Fig. 8.06.b.1: Zone = 2
From Fig. 8.06.b.2: D5o = 8 in I
DMAX = 12 in
Riprap Class = B
s Apron Thickness = 18 in
3 Apron Length = 9.0 ft
Apron Width @ Outlet = 4.5 ft
Apron Width @ End = 10.5 ft
Length
1938-Storm drainage.xlsx LATEST REVISION:8/16/2024 2:16 PM PAGE 1 OF 1