876.02 Guide for Rip Rap at Pipe Outlets

o m 4 X D OUTLET W/DITCH OUTLET W/O DITCH 0
D CLASS 'B' RIP RAP CLASS I RIP RAP CLASS 'B' RIP RAP CLASS I RIP RAP H U)
<• z A TONS F—vcc? S.Y. TONS FABRIC TONS FABTFlIC S.Y. TONS FABRIC Q
S.Y. S.Y. S_Y. S.Y.
D 0DO ��° � 12" 2 5 5 2 5 1 4 2 1 4
mocn
m=� 16�O 0�° 15" 2 7 7 3 7 1 5 3 2 6 �J�'-' z
�j � 18" 3 10 9 4 10 2 7 4 2 8 o�Cz
mzDm ° 24" 5 14 15 7 15 3 11 7 4 12 F C)0
z=U)o0 - - - - - - - - �� ° 30" 8 21 21 11 22 5 16 11 7 17 =~zw
0 H 36" 11 28 29 15 30 7 22 16 10 23 c/) LL 0
n=--I D 42" 15 37 39 20 39 10 28 22 13 30 0 0 U
D D 0U 48" - - 49 26 50 - - 28 17 38 z H
U)p C ° — — — — — — — — 54" - - 60 33 62 1 - - 36 21 47 O w p
60" - - 73 40 75 - - 44 26 56 �. p
O 0 — — — — — — — 66" - - 87 1 48 1 89 - - 54 1 32 67
72" - - 102 57 104 - - 64 38 78
O NOTE: 4 X D N
C — — — FOR CALCULATION PURPOSES 0-1
~ _ _ _ _ _ _ CLASS 'B' RIP RAP = 100 LBS. /FT3 W
m m � 0� Ong , CLASS I RIP RAP = 105 LBS. /FT3
71 z 1U° O�° O�j 2 X D p O
` ° �`� B D ��° 0�° 0�° 0 B z a
� cf) q < a
a
� z PLAN 0
> D SLOPE 1%2:1 OR FLATTER �� 0� Q IL
> o J� 0� 0� zdr
> 0 � a
D
G3 H p �� 2 H
m „ 0 0 0 T PLAN ( o
C FILTER FABRICLu
w
m SECTION A-A Ia Oc Off° T H
y PIPE OUTLET WITH DITCH ° Off° O�° Off° O�
H= RIP RAP TO TOP OF PIPE (MAX. H = D + T) FILTER FABRIC ,
T= 15" CLASS I RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS SECTION B-B
SHEET 1 OF 1 T= 12" CLASS 'B' RIP RAP, UNLESS OTHERWISE SHOWN ON PLANS SHEET 1 OF 1
876 . 02 PIPE OUTLET WITHOUT DITCH 876 . 02