20171410 Ver 1_Design/Maps/Site Plans_20171102

SKIMMER/RISER BASIN
DRAINAGE
DENUDED
Q25
�,
SURFACE AREA '\JRFACE AREA
-
__�'_'E
STOR/"o
STORAGE
BASIN SIZE
WEIR
AND TEMPORARY AREA (Ac.)
SEDIMENT TRAP
-
Ac.
____ ______
(CFS)
R
_gj&011 4�E3D56.PR�OVID�ED�RE�OU!,,--'ED
STA.
I'll-
---- ---- -
PROVIDED
L x W x D
LENGHT�
—
SB #1 W/BAFFLES
9.93
2.90
32,6
14,168 SF
14,365 SF
17,874
�,-,F'
..,
38,631 CF
169'x85'x4.5'
13'
SB 2 W/BAFFLES
5�45
3.10
18,2
7,904 SF
7,938 SF
9,972
--'F
20,520 CF
1 26'x63'x4. 5'
10'
�
I SB 2A WZBAFFLEs
5�85
3�10
19�2
8,347 SF
8,450 SF
1 0, 0 4 Z+
I -
"IF
'_
21,948 CF
130'x65'x4.5',
1 O'
' S B 3 W/BAFFLES
1 �
14.06
2.85
461
20,061 SF
20,301 SF
25,308
F
55,575 CF
201'xl 01'x4. 5
1 4'
I S T #4 W/BAFFLES
O�54
0.54
1,77
770 SF
1,056 SF
1,944
-
_- F1
2,052 CF
4 4'x 2 4'x 4.5:
10'
LEL #5 W/BAFFLES
0.41
0.41
1,34
585 SF
836 SF____________1_,476
__'�`!
E_
____
1,536 CF
38'x22'x4.5
10' -
USE DIMENSIONS FOR
WET PONDS.
385.00
384.50
PIPE
G
11 �-', " R C P
1.16
2�56
44
ALL BASIN'S TO HAVE
POROUS BAFFLES.
384.20
PIPE
H
' 8, " R \CP
1,18
2.70
60
5SKKN1MMER_A1__
385�70
385.30
—
`�KIMMER-42--_
1 8"RCP
O�75
2�03
60
O�67
i :,Calculate Skimmer Size
385.00
I �
PIPE
J
Calculate Skimmer Size
Fn�_�
-
-
___._
0.68
368.10
;
� Basin Volume in Cubic Feet
17 874 Cu Ft
PIPE
Skimmer Size
2.5 Inc h
� % I � � I ; M
�_
� -­
11
7 -� �
L—
375�30
I k
CHANNEL DESIGN D-1
HIGHWAY METHOD
D�A� = 0.87 ACRES
Q25 = 2.85 CFS
USE MANNINGS EQ,
9.0, -1 1 B = 3 '
3:1 - D' - -1 n =
- 1 .035
5\\_C__��___/ SIDE SLOPE = 3:1
CHANNEL SLOPE = 4.5%
DEPTH = O�25' V25 = 310 FPS
b = 3' USE TEMPORARY MATTING
T=YDS 62.4(0.25).045 = 0.7 PSF
T (ENKA MAT) = 2�O PSF
I
—
CHANNEL DESIGN D-2
HIGHWAY METHOD
D�A. = 4.78 ACRES
Q25 = 15�7 CFS
USE MANNINGS EQ.
9�0' B = 3'
35:1 - _____ 3:1 n = �035
\ V /
C
3�:� SIDE SLOPE = 3:1
.
CHANNEL SLOPE = 2,0%
DEPTH = 0.77' V25 = 3.86 FPS
b = 3' USE COLBOUND INC. ENKAMAT 11 LINER
T=YDS 62.4(0,77).02 = 0.96 PSF
T (ENKA MAT) = 2.0 PSF
­_
CHANNEL DESIGN D-3
HIGHWAY METHOD
D. A. = 5.59 ACRES
Q25 = 18.3 CFS
USE MANNINGS EQ.
9�0' B = 3'
3:1 - - 3:1 n = �035
5 \.o ��/ SIDE SLOPE = 3:1
,
CHANNEL SLOPE = 15%
DEPTH = 0.72' V25 = 4.94 FPS
b = 3' USE COLBOUND INC. ENKAMAT 11 LINER
T=YDS 62.4(0.72).035 = 1.5 PSF
T (ENKA MAT) = 2.0 PSF
__
TEMPORARY MATTIMG SCHEDULE
' ' -'I
' '
JUTE
-
STA.
11+84 LEFT SDE L-1
TO
-_ - I I -_
END OF CUL-DE-SAC STX 13+30 L-1
STA,
13+40 RIGHT §DE L-2
TO
INV PIPE B STA.
11+80 L-2
STA.
14+46 LEFT SOE L-4
TO
INV. PIPE K STA�
19+05 L-4
STA�
13+51 RIGHT SDE L-4
TO
INV. PIPE K STA.
19+05 L-4
STA.
10+60 RIGHT SIDE L-5
TO
INV, PIPE L STA,
10+22 L-5
STA.
12+75 RIGHT SIDE L-5
TO
INV. PIPE G STA�
13+46 L-5
STA.10+35
RIGHT WE L-6
TO
BEGIN PERM MAT
STA. 11 +84 L-6
STA,
12+99 RIGHT SIDE L-6
TO
INV. PIPE D STA.
11+94 L-6
STA.
13+96 LEFT WE L-7
TO
INV, PIPE E STA,
13+35 L-7
STA�
12+08 RIGHT SIDE L-9
TO
INV. PIPE A STA.
11+20 L-8
STA�
13+29 RIGHT SIDE L-8
TO
BEGIN PERM MAT
STA. 11 +52 L-8
STA.
10+66 LEFT 50E L-9
TO
BEGIN PERM MAT
STA� 16+88 L-9
STA.
16+48 LEFT SZE L-9
____
TO
I..
INV. PIPE J STA.
17+05 L-9
-
— LENGTH = 110 I LENGTH = 370' 11 LENGTH = 500' J ________________________ _'�
i
i
,�,
' ' -'I
' '
S 1 7 E
as n o ume n u. c set v � "I � Srummer Size 4.5 nc
�__ - -� ,
-11
Q25
LENGTH
-
r_Cr\MM114r_1141 UMIn r�VICU11UN
3�,MLUVLL
r- N N A M /A F
I I
i : ; 1 Days to Drain*
i
I 3 Days
__ _
­___
Orifice Radius 1.2 Inch[esl
�
z
Days to Drain* -, 1:� a�-� Orifice Radius 0.9 Inch(es]
1
11-1 I 11
%
IN
OUT
STA. 10+00 LEFT SiDE L -6
TO INV.
PIPE D STA.
- --- -
11+94 L-6
Ac
1 i !
�h
WIDTH
Orifice Diameter 2.4 Inch[es]
Orifice Diameter 1.8 Inch[es]
� �' � � '__ I 11 ,­ �
, � 4 I", _ _� 1, \ , 11 � I :
? I
I 1111 - - I � I I , � 11 \ i , 1\ ��, �Ll .... .. ' � �)____ 'L,
I , " I ," 11 ,,, ,� � ,� � \� , '_1 � 11� " ,� , i
, 1� , \�
'If /
; I
TA. -,11+8* RIGHT SIDE L-6
� TA 11+�52 RIGHT SIDE
TO INV.
PIPE D STA.
11+94 L -6
48
1 NC assunne 3 days to drain
I
- ��
:: `_ ­­­
—I
11T 11C
-assume 3 days to dra�
I----
. , I I I I
� I I "I i -1 -1
I I ­ - 'I, I
, ,
�� � I I 11
I I ,� . , \ , , , �
I I
, , 11 \ 1�1 "I " 1, �, �11 �1_
� � "
- L-8
TO INV.
PIPE A STA.
11+20 L-8
377�30
I �
'SK /. 1� ' "', �
fM,M I
I,
,Calculate Skimmer Size
,
__ —_ - 1�\ �1, \�
� , � �,
I 11
I , I , �
I �,, 1�� --- 11 r, \ - � I I / / I
I I / I I I I . I 11 �
— I \ I
3&MME",_��_ _�__ - - ,- - -
Caltulate Skimmer Size
I 11 I I
; I � \ N/F" I
I If , __­' 1�1, ( I
� 11 -, ,
� �� 11� I - � :
_1 ,� - �, �\ JEWEL� H� AHNSOM � � 11
� I I
"� - 11- I �
,,� � - 1-1 � '� I \ I 1\ �
' � �� I I , I , " " ;F ' ' \ ' � ' " 1�, � I 1
�, I "I I , , I", � � I ( ' ' � I —
L - 1� ' ' ' '
I , � , ,- I �' � ' ' ' 11 '�,
, ,� I/ 1�' 1, / GARY �6,,MA � D' I
� I � / , � I � 11 R A A K4NS\, ,1�
, . / 1_6'+88,LEFILT -
'J 5TA, I SIDE L-2
", ,
! - 17 "I - I - ,:�_
, , , "�� _-,
/11 ,-, - -
I �
TO INV.
PIPE J STA�
17+05 L-9
389.00
388.40
—
I
� � I I 1; ,,� I \ DR. 26Q7E, P,K,', 270� ; � ! � I I ,� / 11 �/ '' '' /� " � , _,� - - . DEL 11-57, Pq� " � ' ,� \ 0 i "I � � � "" """, 'I,-
- � - .11 -1, , � 11 � "I 0 \ , V etiand ImpactIf , -, ,
- " � I � I I ,
;Basin Volume in Cubic Feet F - - Skimmer Size 3.0 Inch � r", � I , '-, ", , ; ,,\, PIN: O"4-49-3�76i I I : I , / , , / / " / "� �, �, � �, 11, ­_ / ,_ ­­ ­'P,[�� 2003' PG� N 1 �, /_
__�IOE044 Cu.Ft Skimmer Size 2.5 Inch 8"in Volume in Cubic Feet 3C 8' 1 _'�, �7t I � �, I- " \ I � I J
i � I I : � I I/ , / �// ,,- -1. ,,� 12 3 " f
I ' ,,- 1�', I � � ,� / I \ CHANNEL DESIGN D-4
� Days to Dram* Orifice Radius 0.9 Inch(es] ", Days to Drain* .? ,-a's Orifice Radius 1A Inrh[es] �� " �� � ; L _� \ � 11 11 � % , / I I/ �, / - / ! / ,,,,
_ - I I � I : � � � k I , , " I � ,�/ � [�/
1
3] Days I , " ; , I I � , I , / " - PIW­0154�4��-'�21O_ \ �,
i I �� -, � I ­" " 0.02 acre 11
I \ 11 ;j I I � I I I %� I : 11 I I I ­ '�, // HIGHWAY METHOD
: Orifice Diameter 1,8 Inch[es] Orifice Diameter 2.8 Inch(es] : � " / /� / \ I , � \ I
: I I ) � I � 11 � : ? , I I T
, I I I I I : I I , � / , \ , � �\ ­­,-­- " N -,, \ " \ " 1, _____ ­­­ I �_ I
/ ; ,� I '\ � I I , , � , , I I / I f 1,
i'm � 11 � I :�� I % I I I , I , / � J I I , , ./ �', I 1, , " \ �� , ,�\ \, ,
I 1�,,(: assua�, 3 days to drain � I 1� I I- "' I \ \ �
i NCassun-e3 days to dran I 11 � �, , � � � - ,� \ I - 1, '� I \ " � I D. A. = 2.01 ACRES
1
5 � , I 1\
— - - -I -.1 -,---,---,, , "I "I - OR Y _­_­ ­' -1111, - 11 '11- ___ _-, _ , __J � I � '. 1111-/ - I I ,� J I i �11 11 �, , / � I I 11 � I , / /,/ " 1Z I'll � -1 ", 1, 11 \ �, _1� I , \ % / I I � 11
� " , ,WET OETEP4TION ? � I \ I I ­', --� \ � \ 1� �, ,",\
7 / 1___-`__ -,-\ \ FE 'i I I � / 25'x1OO'x6" 2"-S' - � ST �, \ I I I f 11 1, " I � � � __� , \ \ / /, -i
11 I I f I DEVICE #2! � I 11 / / / / 11 I \rl�� �� �, , I I " \ \ � Q25 = 6�59 CIFS
5 -,-" ... I'll -- -, I'll - 11- ­_ !� � 11 � E�XIITING I GRAV I ON %,ENTRANCE \"� -1 I \ , r I �, -11 � � I \ \ , " , -, ` I /
I " ­__ � � u_'NaARbLN'b\ A I ­- _� _ ,,- _,_­ - 1 � , , "I , , , - , I
- - ___ --, I I / EL CONSTRUC I \/ I i 1� �, I ,-,,\ - \ I
�', � "T R - " _ _� , / I I , I ) , ! I/ � � (SEE SHE � I I I I / " �� I I / / . .... �` 1'�, \ TEM OR�RY , I PERMANENT, "
, --I , , I --- I 1-1 1� , 1- - C W/EIR �� r I ' 1, I I "/�, � �, I 11 I \ \"�, I � ��, I.- "ONST, AN,D / / USE MANNINGS EQ.
-1 .--- �, - 11� I , ,,t� / /- k I � I "I , � -- 1� - A'R,OUN_D_ AND ' i I � I , �,� � , , / C� - '
,___ _/ __ � 1\ __ - 1- \ ,l O%b�MtNT- ____ ---- '_ -"'- - '� ----- 11 - ----- -- - -77— 1 1'-1 1_" i 1, �', - I --- I ­ �, �,�, I "I 30 0 ,1 I ,�'--- ($EE,, Sl`-fEE�T 1 1 FOP DETA4L) �T 10 F OR � I I � I � I , I � 11 11 "I � '11, � , / I I - _ �� '�11, I � � TUR 1\ \ \ � � , , , , ,� , '
, - - � � I " - \� 11, , , I A 9.0,
---- -- � I 11 I -, I " , � \ I O' ' ' " "" '' ' ",-, 'E E8M'T
I ­,' _�� I - � , ­ - 11 �SEIMENT ,, __ � l-, � I , "\ � DETAIL) �, ,� I - �� I I � / " 74- 11 ,� 11 - � M IN,TENANC B = 3'
1 I'll --- I I ", , � , -W � % ", "I : / � / '-43' 1 7.2 VW __,j-------- , 1, N / / I I'll � 3:1 n = �035
� ... - - � _1______t_2_ -- , I-' 11 -1 % \ � 1 , / SOO, , �, I I , -,, t I
" , , � --Sol' 1 1 I- ,­ 11 z�,�,�, I � � � / � �,,� , AS� � T'\ \ � , " 3:1
, "
� ... - - � '71-1 1 , � I I ; , � -
\ -C I - --'--'--- __77�, 1 1 1 , , I - \ I �
- -1-1-1 I— ­_ E I 1, �, % � \ � / I
/ , __ I - 1, �, � "I ___ ` "I 1, / % I 1, __ — I
". , / , 1, - , 11 / "I : � ,,, I � 11 ! 921.�7- 1-1 11 I \ H C'C,K �', ',\ ' , " � � ;
\ , , �v / � � / (� ... 11 11 �', _1 �', - I r I ,�
, I "I , "
� I I ,
, I � 1-1 , I � 1, I / \ \ \
- I— \ ,"I �. � -_ - I � I : - I k A M P�") , DEPTH = O�42' V25 = 3.69 FPS
,/ - I � I I � 1, 11 _­­ I � I/ I __1 ,- I (" - , , � f --- I / --- ) - CHANNEL SLOPE = 5.5%
1 ""' � __ \ I , -DAM-- (-TYF)-.-)- - �, � _-, -1-1 I ,� 1� 1� O' PERMANENT 7 SIDE SLOPE = 3:1
, 1 "I ,
/ i \11 ,-: , " � , � I
-- --- - - -_ � 1� -1, ­­­ - ------ -- 11 �_, , , - I �� I � CONST. AN
- ( 1 f, 1� I ­ 1� I . ' / " _,­ 1.
'
�, r� // � , , �, --,, '\ ", I -1-1 .. ... . 1 7,,,"� -11, ,\, __� I 1, ", �_ , , 11�\. � 11 11 __ "' 1 / � , "I -11" 1 "I � MAIN,TENANCE� ES4 T ; � - O� P,ERMANENT ,, " � 1- � " I L� 'TY � \, \ \ \
- - � I - I
I I \, 11 _ - I , I I , � 11 I I ,� \ I
"I \ " 6 1 _� - ,� ,I \1' 11 I I � / I - 1! � - j,� _� I , . I 1 58 \' �,\ ,\, � 7 1\ I b = 3' USE COLBOUND INC. ENKAMAT 11 LINER
,� ,,\ I ",­­­­,­ ��, _­ _,,;�01 ,�, \ I I I '/ I / / /,� _� , �� 04 � � I 1111 "I ` I � I GONST. /AND �, ,, I / HORSESHOE \ " / I �, �
�
I 11`/ , ", I— 11-- � ....... ,�\ 1\� \� O `11 � __-11- - \ � \,, , '11� � "'�, ""I / , -- - �1` I 11 i �2 �' i , I ­_ I � MAIN�TEN , / � I \ �," 'r �, � � I I " __ T=YDS 62.4(0.42).055 = 1.4 PSF
I --- - - - � I � � \ I I I 1 q, � � I fi' 14 , AN (,g Lb T / INLET I I i 7 1 \ /I
, I
I , I " I --- INLET -,� I , "', I I - I I ,Il- ; � t/? I � � / I : � , , -- / I 11 , I T (ENKA MAT) = 2�O PSF
i - \ 11 I -, - � 11� I , \ ,r 11 �, I � / " , , � --- I --- I I , I I � � � I , I ;11 � �/, PROTE(�TION L PU \ , -- t
, - , 1 /2 1 1 1 � I 1��_, I I 1, I " I-, � 43�lc , ; i , I I
I
L I � I I � I I I I (I P - LENGTH = 230'
� , \ PROTECTfbN ZQ�_E�c D� � '141 1-1-1- "I, 0 PERMA�-[.-..NT , , � � 11 � I � # I /11 " I " � � - C C, I L g> I
, , 1, - - - I 1 A � / / 2, I "� '\ I I I I ­
, � I I � � , "I
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y /" `_", � ?, \ �, I I , ­-, 1, I ONST� �ND\ " /CHEC I / ! '_ I " ��, ) I v,v-, ��, -, - � 'IUE�_ " �
�, , " \ I '\ � / I I I- " I �r­ - C� , /I , _
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1\_�' " ___ ��, AIN TE N A NCE � 2, �,-_�-, 11� A, , I � � 1, �
I I I I I ' , � 11
/ ,�, 1-111 % M, __� ESM'T" I - ,DAM (T*.) 1:� -- � "'t / 1 � 11 /I � ,D I" _/ ". � I-/ -1 I,-, �� '\1 - , T DE FEN TI �', - CHANNEL DESIGN D-7
I � ��­� "I � I I I 11 "
'� 1\ , ­­ _1__ -11- . � , " / - / I I � (� E � FOR/ � �\V - _,_� /_1 I ,
11 � � I / I �i 1 1 , /, 11 I � 21 "' I ,, HIGHWAY METHOD
! 1, - - TFN FION " F / � I/ , I/ I I ,, I I 11�1 1 59 _\ L,� , . -, PEVICE ff-I \
I i \ � " ,,,, _�,"_ - I ",I-- I I -C) I � � / 1 2 1 �, � , I P&A L) I k, �,\, � 5H,5ET 104 FO '
� J I \ I , 11 ­ I __ P! I / I /' ; I � I I �,'�, / I �,, �_, \, I ? D�A. = 2.19 ACRES
-\- , I ') � /I , I I I
I / � _", �_ �, __ ­_ ­ , \ OF -)b I � // I I , ", '/ � � ' 'TAIL)
� �, I - - I ' I I ,��,J �) L �) U r, 11 � 1_1� �
I /­ / ­­ -, , �, � I I - - I 4 [L�) ,-­� . . ..... � 8 1 ') (SEE SHEET U t -u �, I I I � , / 'I'l rl � I � I " "t i 1 51� �' ,,'PE / ,�
I / I \1 "'�', 5 1_11 ..... , \ �, I I 1� � I � 111"' / / I 11 1� 11 I 1 I i ( , ; I I �� I -
I � \ I_ _� �,� i DETAI`L' �, I / � I I "I \ 1, � I 11 , � �, 5 11 I " �
- - , � � � �, B = 3'
1 , - - __­ �_ " /W ,( U 13�1_ ) L � 1, � I USE MANNINGS EQ.
i " 1, 'L I I i, Lc,-J� :7i 1 _', - I ,� , I I 1 ; - 11 i \, ) " 9�0'
[ -�� � ,, \ -, -1 \ I "I /_ / !\ t,'-,,\ / � � : I / > ',I I " I ( I i I I /
k" 1� , _ 1 11- M I\ , I // )11 , I " : iiii I ­ 11., � � � � , �_ 3:1 3:1 n = �035
1! / I �_ __')
L 1, I � , - I I I-' D-1 � 1 � I ;_1 - - "I ; ; ,�
�,� '� 1� " -, -11 , ­', - I I : _�,__ : ... ; / / I �_ -,-- �__ �,'_ / I/ � I I / 11 I 1 53 �: - SIDE SLOPE = 3:1
� 11 1�1 \� . ..... �' i �
I " I �, O_ EL \_', \ I _1� � I -� ? '� � � ;
, 3- 1 b)
o , ,� I ,/ I I Cq
/11 /- Vic i I_ I I 1 6, � I.. I /I I 60 , ,� P � I I / 1-11, CHANNEL SLOPE = 6.5%
--
I � I-' ,� 7 �-, I / IN "I �;-,� I �/ , I I � 1� / I / , /, / C� 1 17r, 1
1 ,-f -1 -- DEPTH = O�37' V25 = 4.69 FPS
� , TRACY G� TAN I - - 1\ � I ,� I � LL ` . . ,,, I , -i' , I I/ I/ \ " ; � 55/ 1 / ! "_�, � , t_
\ � il� ,,,�,/
11, � �",
- Q� � ), 10 �/__ - � 1, I � : : : " I I , 1�� " I � I " z, , b = a'
- � �/, , - , tri, , - - I /, A' �, . . I � I I I I I , " ; � / I
_,�-- , " i / . . . . . . . , I I � , j : I
FAMILY LIMITED' -, � Q - \� &/ e /Z ;�,' 1��S?Ov- 0 , , , � . . . _1�e I I I , \", � ,,�_/ ,� � � /11 Q0 i75 T USE COLBOUND INC. ENKAMAT 11 LINER
i
- HIP- " '-, ,� '--,, 11 -, - "_� � "4/1 V /' " A�' 11�.�..'�.,. I I I � �-f) / / I " / _1 I / , �_
, -,/ PARTNERS � _�, �111, / / 'X \
-1 ) � /I -- . � � I .1�11 NAGE,' � " 11 I/ , I ( /1111 I I T=YDS 62.4(0.37).065 = 1.5 PSF
I
-G. " 56 _ -, I' 11 I t" , ,,, i ;,�,/Z, I"'- _� -, - - - �,.�. � : I , - � / I /' , I " / I 00
- -/ -,`
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r, ,,,,� __ <1 7\ �11� I 1, ", 3­18LAST ,,' - I," 11 17 ,; ":� , I ,,,,, ,_ ,�_ F, - " .01 � � - � _" . . TEMPORARY DIVER&ON DITCH
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I i , - [;,rwl ­r4"L:_ '\. / __1 �-6 5 1 � � , I � k -11, \ - e I ct temporary diversions once a week and after every rainfall. Immediately
- ­ , 1,� / \-, - - A, L�_, ORSESHOE 7,� X IQ C/ I , I � I ---I- -_ I If _� 771-
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_:�, , , GRAVEI-C STRUCTION " I I- ,
� I 110 � �, I I IT, ", " .111/' - )" 1� L_�­ -- -,, / remove sediment frorn, the flow area and repair the diversion ridge. Carefully
- lx k�,_ - I (SEE Im I j", ; 1,6 - \,.,- ('�*LET PROTEC )< \N�l ;�F�' 2
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_,_ � i A I I I / / � ,-,, / \", 1, �, _��_ , �11 I . ..... 1011, 1` ��\\,� I � ,� , I ' - I &1) check outlets and ma*e timely repairs as needed. When the area protected is
1-1 , , I - , - � - - I I fl , , __1 I / I -, , � , 1� ORS­ESHOIE-, -, permanently stabilized, remove the ridge and the channel to blend with the
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, , �_,__ � - - I &FT PROTECTION 00,
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I \_ - ____ __­ __ 1`__'­1_,,',___1_,__1�,- - - ; I , \_1 - PROTECTION I "I I --",-NI .� / 1-
-\ ,,/ i ,- __ --------- - -"-(- _________,__, _,__ I _X I / \ ,�­
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i - .. .... 1-1- ,- _ -, - ---- ­____ � __11___ �_ 11 � ; 1, - � __ I I- � � � 11
-1 ­ ,_='. � - ,nent basins at least weekly and after each significant
� __ ,, - � - _ ----- ­­ "" _­_­_­_,_­ ­ ____ _'� "" -.--,-, - ----- - I , ;/ / ", -, __"i \1 I -_ , I -11 011' � _,/_ - 1, 11 r Inspect skimmer sedir
L -11 ... � ­­­", � ___ -
i ___ � " ", 11I.- , -__1 - - ... ��_____ - � I i / � _1\ 1 -1 ,� I '__­ I ,,, I I -half inch or grea�er) rainfall event and repair immediately, Remove
11 11 , ___ -- -, - - 4 __ -__1 ", 11 I I � \ _� / I ,- " \ ,, �, I
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______ __ ------- I- - ------ ..... .. . - ,,,, - " ___ - - -------- - I " I ", _1 -, I I - -, - � -, - �_, Y �_ , I I i
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"I , -11 , � 1, 1,-` -- - -__ 11, - " ", I I _111 " - ,;-5,f,\, sediment and restore the basin to its original dimensions when sediment
- ,__ -1- _111 -- "Ill, �­,! ,--- 0.25 AC, CEME` , - ­_ �_ - - I / " / �­ ' - , �,
\1 -_---------- -- ----- 1-1_- ----,- ___ , - _ - - , � ,-,,,, I E'��'E�Y' '_;7� -, I _-, , / t \ 31 .� , ,1� I _�', I
____,­_ " __ ___ �1� , " I 1 4 11
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- ­­ � � ) 11 - -1 , "
-1 - �� I - ,� I 1", - 1 � __/ 11
__­___ _­ " __1 ,1 ...... I - t, I -, � I -_ 2 1 41 '-- 'L, � - ___1 11 " �1-1. " 1% "
____i� --,-- -1 __11-1- � ...... I I -, I I ,,, - � 11 I - 9 1 1 _` _;� V '5 11 ,-----, "' �
_11-1-: ­­ I L
__1111- ,___1--: � , AND FOUR GRAVE �
,
--- _-1-, . . . .... - -, , -1 � __ - / � � -11, `­ - -, accumulates to one-,r.alf the height of the first baffle, Pull the skimmer to one side
I ,:�: _­­ -_ - ,__'_____111 y " OWk ,�, � , �, � I- � , 111- I -_ I I �, �� I i ,
,, _ 11__�� I \\,,,-$,TQNES AS SH I - -, , � � ,�, I A HORSESHOE - ' _\ k ____ � -- (�
� --,-- _1_1- I .... .... _______ � 11 __ I- I I I , ": �- � �!,�,pj ­__', ,,, ­_­ I � __ , I— \ I ____, - 1, i
- ­ -,----�_ �'__ ' � - __� � 32 1 INLE \ " i so that the sediment �.,nderneath it can be excavated. Excavate the sediment from
--- - , � .... ­ ILE�
- ,,, � ON AL URV15Y 6 WtRl`_'�, , ,Z__ """ -, -_ � -_ � � "
- I � I ! --- �t_ , " I
::-"-- 1/-_ I __ TA '� 1, _r_____" __ "I I,/ , I
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, !, I � EXIS-N" PO _: - -_ J, PROTECTION' '- � I the entire basin, not ,i,,,,st around the skimmer or the first cell. Make sure vegetation
_�, '­­ -1- i - � i �,,, I
- �- - -,-, J 11, ' i ,_-,-__:� ­- ____ "'I" , __ I , '\\, ­,, � ; -1 !- , , I
- ___
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/ A E Nil CIVIII',� 1 50
- � I I - ; � -1- '_­ , � I - _t ___ ... �_
�/ __ �, �W T" �____i ;;F - ___ --- I ( C � - , - - ---
r __ _�__ '. \ I ,_ N -,- 1-11, , PANY TO E37 RELOCATED _��,�, --- --- ___ ��,_, 1"', � I , \1 "I
, � SURVEY C __ - -1 - _ I I , , - �
- �____ __ , __ 1� �__ I
, - _,� � I - 11 , `­____�-,_��, - 1� _," 11 - , " _��', i
I i ill- - 11, - N/F i � UNI)ER3ROUND, I -1- -S " - :_ -1:'--, ',,,- -� - - ----- �/ 1\11) 1- I I'll �_'_\, __ , � growing in the boftor� of the basin does not hold down the skimmer.
� , ____\,�__"�_ - __ ... ­_ I --l- "�>-��'_3 r_ , -1 I
"' , ,,, � DE NI __M -:-MCL -A TEL 11 THPC�U,_.Irl SUBblvf-sI,ON1, '- ... .. -- - __-, .11, -- � �_
/I/ ,/, ,�-­ � N RAYMOND J.JOHNSON i RELqc ......... � --' , "I / 1� k - .
) ,,-",,--- __ _1� /1k PIN: 0645=2a=6,� " N '§ z R, � f " N/F I ­ I - -1 "_�,_­-' -,:11- - Zz_"L� _­ 1-1, �,, ", - I'll _� ", Repair the baffles if tIiey are damaged. Re -anchor the baffles if water is flowing
� " ____ -_ � , "
11 -1 , , / I - I _� , , __ ___,_ '�,____ /
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,11 �') � � ­­ -, '�_ ­­ I D& �44�'-PG, 72 APP�,Ovtl_ / , , -_ - ____ , I % 38 "
I I � I - � ; � I - i I A - - �­'__�-- , - __ " " If the skimmer is clogged with trash and there is water in the basin, usually jerking
- __ 42 -) - " ,
i - ___ - __ � , /V� -11's "r� �:,-- ­_ - I", __ I
� , i \ �P : 0-- 4,5- �O--�5i 00 " /,
-
/ � i / 111_1� �, 1, \ 11"- i IN - 1 I ; `-, I OtR_��__ , 3 - ,,-' `,:::Z-� - I -11 , " on the rope will make the skimmer bob up and down and dislodge the debris and
/ I I I -- , - - Alls, -_ I
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�,, , /'1111' __ I __ ; ! - -1, /' 11 N/F puslt / I , ,/�/ ,� I A/ ��_-�,�, -" "��, , I I / I
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­­ / , � 1, � ­ I I
- -, / '� ; - I I P '��,,­,, -- 1� - and remove the debris, Also check the orifice inside the skimmer to see if it is
I I _� I i�l �� ",-Z -, -1, _­ - - I '�, '_ -1 : - A WOOD C ,�o restore flow. If this does not work, pull the skimmer over to the side of the basin
1-1 � ,I, - _1,0 , __� I '2q ��\ PER, DUKE 'ENERGY �z - --, '_,� 11 _� , - I
/�' -," I - - , ,-", -- ---- \ - 1111-
/1 / ,/ � I �, � � �,_PIN. 0645- -5462 PENNI�� M,I) MCLAU�1111\1 -1 r_ ' "__'­_-_,, ­ C/ -/R'__` � ..... ­:��--- 33 1 underneath or around them.
- �,
-
�
C 6W
� - 1'� ___1 t : D W 11 _,"VI'l 1:1� ,
i ,-- `�� _,________ - � --- I \ - DB. 1182, PG.193 S., �-­�,;�_�, - ­,�,�,_, ��,�, I '_1 � _"t -
f -,--t--------- ,�,-1,­L­' I \ ; ,,,- I �_ ,, ? 1, PIN: 0645-10-5069 '' I -`,Z',_ ,,, '_,'_<1,1 ,� ,,, /
, ,", - ; I " I
� � " , \, i - � , ­___i�,�', I-- ­_ ­_ " , _:",��> ___ \ I 1-1 1 clogged, If so remove the debris.
I _-, , A � ; �
! / ,�', ,- ___ �, i 11_1- I �, -_ ",- - �, ­­ I ,- -, � - 472 - I - I 1 4 4' ��', �
I � I -- -, .... .. ­'____ �, --i
L — � �_ ", � , ,
I t --,-,--.,,,- ,�_
-9 ; ,�, I I --- � -11 __--k, -, � ­,� � - ""-- �, � - I �_ \1 / � - If the the skimmer arrr of barrel pipe is clogged, the orifice can be removed and
/ CHANNEL DESIGN D - C� 1\1 11, \
! : - - ��,\1111 ,<, '��, � �, 0��
: -_ -, _,_�, __1 � ,�,,, �,' 1-1
I HIGHWAY METHOD � i; __1 ------ � ,�, - � \ � �>, "" �11""":-,,,� I the obstruction cleared with plumber's snake or by flushing with water. Be sure
I \,� , ��
-I I �\ "" > __ �-_ 35
1 � �- '' , _11'' I I I '_1 � �37 43 '\ IGARY
- -1 i I , 11 � -i `_,", -, - I J
D, A. = 3,08 ACRES I , ____ �, � I � �� _'� _': "I �� , , - , , I I , � 1� i
-_ - ��_� __11
I \ I I �,�­_��,� " " , - ", I I 1, , " -1 -- - 1_1­� _­ � I � and replace the orifice before repositioning the skimmer.
, ,� ,�� ", � I I 1, " I - -11 - I
- ----- - -1, I � � I 11 , ,� �, \ � 1� �;," �
� I I - � ��` `�11_, ,�', ­ \ I -,--' -1 - -1 "I P B
\ � 1; ,� - I i � '\ t, `,"_, ,­_ , - � � - " , DE Check the fabric lineo spillway for damage and make any required repairs with
__� , �� �, I 1- I'll �_­,, '_ 1*11 ,-- I �,_ 1�,� , " - �1. . ­­[ I �
USE MANNINGS EQ. _11 ,� -11 ,,,� -_ I � , - 1,,� ­_" � , I , - � PIN fabric that spans the �,,,Jl width of the spillway, Check the embankment, spillwa� ,
\_'__ 1* I DISTURB�EDAREA = 11.4 AQ,,,-' \ \"\�\ !� - � " I I ____ _�; --- IS
i -, I ;,�� *�",­ I , 1�'_ �, "I ��­ 11 � I , _�
I B = 3' � 11 1, I yl i \ 'I, �� � "Ll ,_�, __Z___ "' - 1- ";'� /- , 11 11 1 4 8 1 i�'4�,
9.0, -, ­­ 1-1 � �­ I I I I � " 11L � -, ',�,,.', �,, "� 11 I 1 and outlet for erosiondamage, and inspect the embankment for piping and
- __ I , - - , , -1 1__�,-­ �, ,,',
--3:1 — I- , �., " , \ � , ,�',,, � _�__ '> - �, - ,
,11 3:1 n = ,035 "' I", )11 __ 1, 1 , 11 \1 �, I 11 11, ,,� , ,,,�,,, �� �, -, ��,�-:__� " 1<� '�, I ST# - 1-1 �_ I 11 � � i;
� , 1 � I \ I \ � I �',\, � - , ,� ",,�,� - " �' , " / , ,,, , , __ z
� �
" 1� I � ,,, � � I _,��_ () , ,� "'� " " '_ , �`, I 1 CD
, - SIDE SLOPE = 3:1 � 1k ___ " ' ' I 1- - - 11 � I � , 11� "'y,,_ ;, ", . ..... �1 - ,,, _< �� 11 : I settlement. Make all ,recessary repairs immediately. Remove all trash and other
,
,
I - "I ,_ "" 'L, � I _\ �, I "I I ,�!','A_ ',,-�A�, - " "-,, `­ " 1- - 14 !- debris from the skimmer and pool areas.
CHANNEL SLOPE = 1,0% / , '_ � 'L� I " 1\1 �, , ,�, \1-- _' -1
i ��L� I I I 1, C �, \ -­ " ST#5 ---1 / I
� � , ! , 1-1 ­<-,�il_,�:",�, � ,- --,,,,, � 1 -' , POROUS BAFFLES NC7ES:
DEPTH = O�73' V25 = 2.67 FPS 1, � �, '\ � � 11 \\ � � I 11 � ,Z�1, -, ' " ' '_ 44 '7---� X
" - I 11,� � I \ � 11-� 11 �� \ , " "'�'_"� _L, "'I ... . ,_ �_ I , ---q �n , — —
I \_,�,,� ­_ \, 1, I 1, - , I
�, _-_1 - 1� I 1, ) ; \\ I !" 11L Inspect baffles at
� � I I " I �, I I I I I L.0 �
b = 3' USE TEMPORARY MATTING ­'�­, - -, - � I \\ �,, 1 , \ \ , - , _ � ­" �,___ __ I � I ,__ / 11 � �east once a week and after each rainfall. Make any required
, � , , 1� I " __, , CHECK 36- --,
_/ _' - -
T=YDS 62.4(0.73).Ol = 0,5 PSF I ;1 � 1, I 1- I I 11 - � �\ 'L- I I �,� 11_�\ � 1\1 \1 , ", "" -�­,­�� ; - - - - '-- --L-\ � 1/ i ��_ 11 repairs immediately,
I I , - \ I 11"", - 1, ,;, I
-11, 11-1 ,, � - I /, , .",_; � \ \, \ �: , ' , � � 1-1 DAM (TYP.) - I CC)
- - -1--l- ", --- _ Z �, ---- : \ I \ �\ \,, \ �,�, � " i Z
T (ENKA MAT) = 2.0 PSF I 1_1 , __ '/" ­ �\ - z _', � �,__ , , k �, " 0 , - - "-- , � "_,_, i\
, " , HORStSH6t_,?' -,,,,,,, '­- _�
I I � I ! _-, I
,
�, 1, "/""/, / -� , —_ � -4. �_ I 11 ,I \ , - \�k \ ,� - - , _�,, " ­', "I ,,- I Be sure to maintain access to the baffles, Should the fabric of a baffle collapse,
LENGTH = 240' 1- - ,1- EROSION CONTROL NOTES ; ; , "I 1, "'� � \ V , ", I ,\� � , I N LE T `�-', -,� "', 1'� , I" � ----\ V '_1 _ __ '11, - !''/ I tear, decompose, or tecome ineffective, replace it promptly.
i / �_ �, I � I �, � 11,
"\ '1� I I I I � � 11 '' '' � , I / , I � I � PROTECTION , - - __ - I
� —, �, �� - - ; �
__ I I — , — , , �,_ � I , , I I , � 11 11 I � 11 I- __ 'L _ 47 i �
,
I I , k, , I- � I � � Remove sediment deposits when it reaches half full, to provide adequate
I—, DR IS RESPONSIBLE FOR LOCATING ALL UTILITIES 48 HOURS PRIOR TO ANY WORK. , � I I" - � '--I- , ­ " �
,
. CONTRACT' � \ " \�,,, \ \ , ��,_ !,
I ,� I I X �Xl 11, 11 " ­_ ,� "Zz:�, __ - _7 1
CONSTRUCTION SEQUENCE I I I C 0\ 11 I 11, \�,�� , 11 �11", "I 45 � F ,
— I ! : 01 " \ "', 1,�,,, , ,�� �,�, " _�, " I � _,L- �­­ � �_ \ __ � -1-\ \" _1 I , storage volume for the next rain and to reduce pressure on the baffles.
'-
1 2. PROVIDE S "ABILIZATION FOR SITE PER NPIDES CHART OR SOONER. 11 � -7, \ 'L , , � ,­� -,� ,�", - ,� 7�� 1 ___ lt� -, � I I �,
­_ ,\ , �_
-
1. CONTACT NCDENR LAND QUALITY DIVISION AT [phone] TO SCHEDULE A I I _ I I I �'\�7_",� ,� \ � -1 I " 1_�11­, -� - ,� ___�, 17 - ,� - 11
��\ , I I- � �', " 1� IIQI I Take care to avoid damaging the baffles during cleanout, and replace if damaged
I , - - -, I __ , 'I ___ 1�� I
,
11 � 11 1- - , - "I -1-1- I
1, I "o ,,�� ,,, \� " " �,,,, ��,,�\ , �� ��_ "I 1, `� � ____
PRE -CONSTRUCTION MEETING. ­_ I 1; I I 'All, ,��,,,, I , 1-41 � 11 I
-_ 3. THIS PRO,J� CT MAY REQUIRE A PRE -CONSTRUCTION CONFERENCE BEFORE THE GRADING PERMIT � � & \ " ,� , . - � _­ �, _11 � during cleanout operations. Sediment depth should never exceed half the
1� ,I __ 1� I
-
_ 1, ,,,�, �� \ \ �" I N/F �, _,A� " '­,'-, �� ____ ::�:__ �, I
- �111�1 -
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: I , \, �_ -1 I - . ..... Z "I __�
�' , '1� - -
IS ISSUED. 11 , , " C',�, ,, 416 1 designed storage dei,th.
�q �� ,� � �
2, INSTALL SILT FENCE, CONSTRUCTION ENTRANCES, DIVERSION DITCHES, TEMPORARY31EDIMENT , , FRANKLIN &, MICHAEL _,,� __, I- ______� - , ___ f
I � I \ -1 I I I I " I I- - - - -- � I
11 � I I I I— �,� � - I 1 -3 ,
�; ��_ I �,\ I I ___ ii"
�, \ \ '�, \,�,� " MASON " I-- - After the contributing, drainage area has been properly stabilized, remove all
A I I I I � � \­_ __'k , '_1 --� I
,�\ - V\ _-,
TRAP, CHECK DAMS AND SKIMMER BASINS, SKIMMER BASINS TO BE GRADED AS WET -IONDS. 4. STREETS,� - OUND PROJECT SHALL BE KEPT CLEAN AT ALL TIMES OR A WASH STATION WILL BE /I 0 \�\��,�,', \\ " 6" -i5'xl 00'x6" 2"'�.�-,BLAST \� - --- baffle materials and �,ristable sediment deposits, bring the area to grade, and
- - 'L", �� I ," 1 ! �1, I 1\ \�,��' �� �, DB. 2984, PG� 1-5 - -- - - 1� 11� , - � — �3 ­_
; REQUIRED 7" _P _;� ,"I, \\111�\, \\',��, � PIN: 0644-29-1�07� tRAVEL 11CONSTRU&ION, ENTRANCE � 1- , ____ � - - - I
­�,,,,,,�� ,��,, � (SEE SHEET 1 1 FOR- \ __1__-11< - __ I I
� , � 1� 1�,_ � I stabilize it.
3. CONTRACTOR SHALL LOCATE AND VERIFY DEPTH OF ALL EXISTING UTILITIES, NC ONE �;ALL -1 , 11 I — 4 , " , ,,, I DEtAiL) �, I V :::� �
,,,,, - , 1 �4 - -, - _
CENTER AT [phone]� 11, 1/ 1� /0- �1_11 I )\ -.,\ ,�­ ,,� � I __ - - - - _
,� A 5. SILT FENCE: SHALL BE INSPECTED EVERY 6 MONTHS AND REP " � \ � \ � �,\" -11-1- -11 - -- � I
I 1_�_ � �
LACED IF NECESSARY, / I ,\ , \ ") I I'- �� �', I 1�' 'I- '� _.- 1� __ ��_3 , , I �
,I' \' \" " . '�, ___ � , I - I i �, '
- — � 5 \1� 9'L()/3� 1
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7-/---, _
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I , , " � " I \ 17", -- "I _== I NOTE:
" ; �p ,�-��\ , I I ,� , 11 �__, ". / "'­,_ , "": ,-, 1
4, INSTALL NPIDES RAIN GAUGE STATION AND SECURE STATION FROM TAMPERING. 6, THE GAS MAINS AND SERVICES MUST BE LOCATED PRIOR TO THE INSTALLATION OF THE SILT "I " , " , ,\ , " I- I ; �, - 1, � � "� � I
I 1� - , � , 1 I
I 0\" ,�! �, \ , � ,�, k " 1� '_­L,'� �
I I , " , \ I " I I � � � -1
FENCES So TL�E FENCE POST DO NOT DAMAGE AND GAS LINES. I � I " �� ,�, ,�, 1, " I i 11,", 1_�_ ,� - - - I-, - I 1� PROJECT IS LOCATED IN WS -IV AND 24%
" � -17 \� , " �', I � , ,/ 1,:1 11 ! , N�,� / � ,,- " � � �
,
''I ; ) �_` 0 \ � 11 '\�', �1, ,� , �­ , ��, � �, 11 I/ _� , ­ __ - = RIP RAP ENERGY DISSIPATOR \1 /
I ____.,________ I _�, \ I 11 I I � , � "�,__ '�_ , 1
5. BEGIN PROPOSED GRADING. -----=--I � "I � I I zZ I -1 \ , I --, _,�,_\ ", "� �i � `-, _­� // �­ - I-- _1111\ , I I "I f IMPERVIOUS TO BE ALLOWED.
- __­_ ____1- , . I F 1, I � I!/ � , : - I/ 1��_ 2. THIS PROJECT IS BEING DESIGNED
I ""\ " � \ I _�K�_ _-, 11 ­,,_ I � \
11_� 11 1-i I-E"AER - PIPE CHART ,�-\,�,, "-\ % � ? "I ! !" I N -/F- -- __,__ �
6. CONSTRUCT PROPOSED STORM DRAINAGE PIPES AS GRADED AREAS ARE BROUGHT �p TO STORM �) ` , ,,I � I 1, , 1, �_ I" I
I 1, \1 \ �, , � , .... .. . [�M SKIMMER/RISER BASIN 'If ; UNDER THE "COMPATIBILITY DESIGN
- - C1K110UCn f`_DAnr_ \1 __ ___ n I ,,- �'J P A TOR DESIGN \ I \, 1\ \ �, � 11 . STEWART ARNOLD , , ", ­,, , ; I
.
7� STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISH GRADE WITH VEGETATION, PA�, �NG, ETC.
, / REFER TO NPIDES CHART FOR STABILIZATION REQUIREMENTS.
V
,
, 8. IF IT IS DETERMINED DURING CONSTRUCTION THAT ADDITIONAL MEASURES ARE NEEL�E:D AND/OR
� THE APPROVED PLAN IS INSUFFICIENT, THEN A REVISED PLAN MUST BE SUBIVITTED TC AND
I APPROVED BY NCDENR,
9. INSPECT AND MAINTAIN THE EROSION CONTROL DEVICES SO THEY CONTINUE TO FUN`-�TION
PROPERLY, SILT FENCING SHALL BE INSPECTED AND CLEANED OF SEDIMENT AFTER EACH
RAINFALL. ALL DEWATERING SHALL BE DONE THROUGH A SEDIMENTATION BAG,
10, COMPLETE FINAL GRADING OF ROADWAY AREAS AND STABILIZE WITH GRAVEL AND PAVEMENT,
11, COMPLETE FINAL GRADING OF ALL SLOPES AND PERMANENTLY VEGETATE.
12. ONCE ALL AREAS ARE STABILIZED, CONVERT BASIN'S INTO WET DETENTION PONDS.
I 13. IF SITE IS APPROVED, REMOVE SILT FENCE, ETC.
__ —
11
SI_ �­
PIPE
S 1 7 E
DRAIN
Q25
LENGTH
SLOPE
INVERT
INVERT
I I
11
9, 1 1�
AREA
6 "
%
IN
OUT
\ _\
11��
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------ -
Ac
I_Er­�­)TH
WIDTH
D50
LINING
0�
F-
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"
PIPE
A
'8"RCP
3,10
6,75
48
1.04
378.00
377.50
THICKNESS
PIPE
B
': 8"RCP
2�36
4� 73
52
3.85
377�30
375.30
'I,
PIPE
C
,-,
" 8"PCP
1�87
3�51
44
1.36
389.00
388.40
PIPE
D
� 8"RCP
1�45
2,97
60
5�83
377.00
373.50
-
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PIPE
E
'8"RCP
1.78
3.78
44
0.91
382.40
382.00
I
PIPE
F
1
I 8- " R, C P
3�55
7�02
60
0.67
385.00
384.50
PIPE
G
11 �-', " R C P
1.16
2�56
44
0.91
384.60
384.20
PIPE
H
' 8, " R \CP
1,18
2.70
60
0.67
385�70
385.30
PIPE
I
1 8"RCP
O�75
2�03
60
O�67
385.40
385.00
I �
PIPE
J
!,,��,"RCP
2�12
4.46
44
0.68
368.10
367.80
PIPE
K
I 8"RCP
2.03
4,59
44
0.68
375�30
375.00
PIPE
L
'S"RCP
115
2,57
44
0.68
385.80
385.50
PIPE
M
I 8"RCP
0,87
2�03
44
O�68
385.60
385.30
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