20210212-ADI_Response_Map

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SITE VICINITY MAP z N
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SEDIMENTATION ANDtROSIONG CONTROL PLAN DESIGNED: SMM C
DRAWN: TC
oy
APPROVED: CRP
R Kv PA
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PROJECT
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CONSTRUCTION SEQUENCE:
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1 . SURVEYOR IS TO STAKE LIMITS OF CLEARING AND EROSION CONTROL FEATURES FOR THE PROJECT
O
INCLUDING STOCKPILE AND WASTE AREAS. ENGINEER.
2. THE SITE SHALL BE ACCESSED BY THE EXISTING HAUL ROAD. THE ENTRANCE TO THE HAUL ROAD IS
ON DOC BROWN ROAD. : j
W }
3. INSTALL ALL REQUIRED SILT FENCING AND SILT FENCE OUTLETS WHERE SHOWN ON THE PLANS. RWK, PA z
101 W. MAIN STREET, SUITE 202 W �,
4. CLEAR AND GRUB AS NEEDED. REMOVE ALL STUMPS AND INERT LANDSCAPING DEBRIS TO A Z 9
B
PERMITTED LCID FACILITY. a GARNER, NC 27529
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5. INSTALL BASINS TO THE DIMENSIONS AS SHOWN. THESE BASINS MAY BE LARGER DUE TO SITE PHONE: [phone] X tjY B
CONDITIONS, BUT IN NO CASE SHALL ANY BASIN BE SMALLER AS INDICATED ON THE PLANS. ALL
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BASINS SHALL BE EQUIPPED WITH A RISER AND BARREL OUTLET SET TO INVERTS AS SHOWN. EACH � �
OUTLET SHALL HAVE A ROCK APRON COMPOSED OF CLASS B RIP RAP ROCK TO THE DIMENSION s,
SHOWN. SURVEYOR- �
� 6. EACH ROCK APRON SHALL HAVE A SILT FENCE OUTLET ON THE ON THE DOWNSLOPE SIDE OF THE �
APRON.
7. ALL SIDE SLOPES OF ALL BASINS SHALL BE STABILIZED AND EMERGENCY SPILLWAYS SHALL BE
RWK, PA
STABILIZED WITH CURLED WOOD MATTING. 101 W. MAIN STREET, SUITE 202
8. INSTALL ALL DIVERSION DITCHES AND STABILIZE ALL DIVERSION DITCHES WITH THE MATTING REQUIRED GARNER, NC 27529
AS SHOWN ON THE PLANS. PHONE: [phone]
9. EACH SEDIMENTATION AND EROSION CONTROL DEVICE SHALL BE INSPECTED EVERY WEEK AND AFTER SHEETS .
' e . '
EVERY RAINFALL EVENT 1/2" OR GREATER. SEDIMENT THAT HAS ACCUMULATED SHALL BE REMOVED E ACCORDING TO THE MAINTNANCE REQUIREMENTS OF EACH DEVICE, IN AREAS WHERE SEEDING IS n
REQUIRED, PATCHES OF BARE SOIL SHALL BE STABILIZED.
10. BERMS SHALL BE CONSTRUCTED AS THE PROJECT BEGINS, AND SHALL BE JOINED AND GRADED INTO THE SLOPES OF THE SEDIMENT BASINS. AS THE SAND MINE IS GRADED DOWN, AND THE SEDIMENT CS COVE R ShE ET pp p R � f M R
BASINS WITH RELATED PIPES AND OTHER DEVICES SHALL BE REMOVED ONCE THE GRADES ARE 2 Cr— SITE AN S U R R® � N D „ `J f R,E FEB 1 2 1021
FEET BELOW THE BOTTOM GRADE OF THE BASINS. THE BERMS SHALL THEN BE COMPLETED AT
THOSE LOCATIONS.
11 . THE INTERIOR OF THEI -2 �vINING PLAN LAND QUALITY
HALL BE EXCAVATED TO A DEPTH OF APPROXIMATELY 20 FEET WITH „ � p n AND
® � 'MINING P"ROGRAty;
INTERIOR SIDE SLOPES OF 3:1 . C-3 SEDIMENTATION AND EROSION CONTROL PLAN
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p
C-4 SEDIMEHATATIi, 1°,I AND EEROSION CONTROL PLAN Z
A C-5 GRADING PLANS � A
-6 GRAE'dNG PLAN (_R EXISTING SINE SCALE:
D_. 1 S E D IM E N TAI- I ON A Ise D EROSION CONTROL DETAIL DATE: 05-28-2020
D-2 SEDIMENTAL ION AND EROSION CONTROL DETAILS.S SHEET NO.:
D-3 SEDIME NTATI ` N AND EROSION CONTROL DETAILS
D-4 SEDI ENI T TION AND EROSION CONTROL DETAIl,yS
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• ----` ` - -`�` // � I i• ` \\ \\ . I ' I I \ \ ao
JI ( ( IIII \ \ \ �` U.S. ARMY J/ / 1 1 __._ ;— � 1 fllil }J -_ �� /� / ,jJ( r \ \\ � 1 t1 '��l{ �1r' � fl � ii� �JJ III
\ \ \ FoRT BRAGG ; � f ,� ' 7' / ( ;` J ! 1 f � /� �/ r r1 � i ! 1 \ _1 )IIIII!(f
� j i 1 � �I 1111 +
., it'll , 1 I I I I ( ) J ( a w 3 0 0
TME'NAPJRE FAIRCLnTH J I ! I' l ! I
c� EivPNs x ; , 1I � , I / _ - - - � " / t / fr - ' /�i /r,. 1/l \ \\ \ !f/111Ij,II IIII �<�t
WAYIAN .� I 1( (I
Tr.E I,4VURE`OO RI,WCY ti. ._,._ ~ \ '. n` -� y — J r i ! /�`'� / I(
02 777 P 2 5 '.�` .l�f p ` - ! f� ' \ -/ // J i \, / ttwzto rys
\1 \ , � / f,lllIlr �.,�.L' f /�'�r1/JIIfI� III
/ l
I f f J J 1 \ s \ \ BASIN A - RISER SIZE: 36 DIA.
�o�
v
. p, \ \ \ ` / / '; `r /! i /✓:l - ' I .� 1 tr 1 11' i/ I //` / /I J 1 _� RISER ELEV.: 276.34p� t
f / \ -- �I v } } I • \ .`• \ \ / ." / Ili Ilf f tij 1 l/(Jl� l 1� ' ~ � OUTLET SIZE AND TYPE: 24" CPP d a�
1 l
Pl . f ' ! i } \. ✓' / r / :',� Ei ./ 1 l 1 I f I I. fl i 1 �"�/;: 1 �).. ! ' i I ✓ §z�ay0a
{ f / ( I \ , 1 \ /✓( ) \ '\ ` OUTLET PIPE INVERT: 270.82
1 .�{ (/i J ( \ ' / ," ��'flJfJ' I �, \ . /ii / / -, ' i. ;' Ilr� 1. 111 `rl " lI41` - - _ � \ � � � / E �wcx
i\\ \ 1 k 1 I � �' f// -- .;' ll � I \, // 1 °
BASIN B - RISER SIZE: 36" DIA. D
\ \ \ \ \ \ ! ; ; Ci k ✓ 1 ( j r / P r ` RISER ELIE2 2\ \ INLET, 60 RCP INV.60" 1N 279.82
INLET, 60" RCP INV. OUT 279,15
A, s11 2,�+s f� I /f / l ' i :✓ % I I \VA A OUTLET PIPE AND SIZE: 24' CPP
�\ ✓� '` C 1 // - 11,! / /l V \ V l OUTLET PIPE INVERT: 271.58
_ / ,/ \ �
\ ✓ 0 / —' '' i Z � ✓ ;/. i I � � . } �� f/r j/�� \ \,1 \ ,
_ ' -' 1 r / , , A \ i / / / I l i �- . / t I '� ✓� , il / t , J v \ vy \
/ ( ( 1 + o ' � _ - /;! i J i - / / i j - ! JI /' / �_A 1� A�\\ V �� BASIN C - RISER SIZE: 48" DIA,
� �1 RISER ELEV.: 289,74
t ( iV�� 4 / / �� /i / � 1 yV AJJ ,rJ r — /ll ' 11 I v � � "
srerE;oa No cRaour J. ' NEW _ A � f I - - - / J I I V OUTLET SIZE AND TYPE: 24 CPP z N
r�"y3e'P,e� / L f 1 ��ti' MINING m a 1 A ` I I j EXIS "v', i./ / v �r / j ,l (/`/. // / �' t /;,/i j 1 v - „j I OUTLET PIPE INVERT: 281.39
k, fr � I /A ff / r / / %�` , 1 r t ,j � ✓/ 1f1I 1 I p �t
,ARF� - -- ' _ " W w o� c�
> / •- - .,•/ ' !' BASIN D RISER SIZE: 36 DIA.. --.�'] > N to L0
/� - I l 'i1 J J; \ - ° , f / i \\ I11 - If Ill, 1\ \\ \\ \ \ ` �� RISER ELEV.: 292.84 CC d 0
ff> \ I I �1 f I i I\ \\\ \. " t�
\\ OUTLET SIZE AND TYPE: 24 CPPN N r 6)
f / O '\ < // / - --- _ t J / 1 / Ii\\ $ I I ( I ' ✓ 11�1 ` \\ \ \ i OUTLET PIPE INVERT: 286.19 r - I�
+ HAIH-W LACY i j'- �\ � \ ��, -.
os osa I+ o5t !f j1ll� ti \ \ �� / ! BASIN E - RISER SIZE, 36" DIA. (`� z 07
i \ -
f - ,• // / 1 I 1 \ \ 1 ELEV: 277.48 Z_ _
1
_. - . "r +► I / __ � 1 \\1�\, �\ ll;jl�j 1 1\1 �\ NLET SIZE AND TYPE: 24" CPP Z Q7
IN 3 J \
\ L INLET IN. ELEV.: 275.82 w
I
�� \ - }1j11 INLET OUT ELEV.: 275.41 !at ?� p
d
95$IN \ e 1 H E �,, `. \ '` \�\ �` \ I ,�-. �, , I \ I ` " 3 _ Z LL
�--_-- � , ! \ ,..J \ \ _ � ,� 1 i � \ j � OUTLET SIZE AND TYPE: 24 CPP
/ r- fI �J I / _ Ct
- OUTLET PIPE INVERT: 271.85 � t�
{�y�� _
CRAMBLEE_ n E
BASIN F - RISER SIZE: 36 DIA.
lfiNDI ORB '
�` - = _ 1 \\ \ j! RISER ELEV.: 282,61
CR
- / ! `\ `% OUTLET SIZE AND TYPE: 24" CPP
/ - / OU1LEi PIPE INVERT: 277,26
�. B
IL
\� �= o ` A \ NOTES: 1, DETAILS FOR BASINS 1, 2 AND 3 ARE
_
a - �� - - _/ SHOWN ON SHEETS D3 AND THE
GRADING PLAN FOR BASINS 1, 2 AND DESIGNED: SMM C
-7 7— -' f>rj/ r +�. .. `,\L - z ,, EXI ° a Leo \\ °tea - '-- �' ���� 3 ARE SHOWN ON SHEET D4,
_ MINING LIMIT - -_ n ' � ,
EEx
bROP -- xo Inc \�-2g9v11D1IMG zeo V i DRAWN: TC
ERTY LINE / P RMIT� -` •; _ -AR�4
BOUND y �___s --_ _ z -\. �� - / � o tN F 31 ray �� 2. BASINS A THROUGH F ARE EQUIPPED APPROVED: CRP
\ ( a _xIiNG 57REAla CROSSING r ITCH RON / o E 'a/ ` y \ \�\\`! BASINS A WITH PERFORATEDAND F ALL HAVE4"
s _ Pr2CV;QUSLY PERMITTED -- " '"`�`' \� \_,
,� c - .., �'d\� Sao `1 L 4 "'G �,- �/ aim \\ F HAVE
BEEN EQUIPPED INS AND BAFFLES.
I 5 d ! � 4 EXISTING ING MINE,/ \
ti �� =v �� AREA AAV�\�, 3. BASIN D HAS BEEN GRADED DOWN AND
SURROUNDING BERMS CONTAIN
114
STORMWATER.
\
0- Q l BERM ..>
4. OUTLETS FOR BASINS A THROUGH F ° ,
\ STATE OF RRH CARQLIN4. / - - , is / !"
DO � p 6S9 \ `,eAst�t A '. 1 1 / /( ARE EQUIPPED WITH RIP-RAP ROCK
11 k,�ka•T 2c
VA } 1 �z NEON I - �`� l9 APRONS. Ry
\ \ / / /) Jdr
"IN t � ���� j .�� � \ � 1 / - 5. UNLESS OTHERWISE INDICATED BY PROJECT
AREAIS
\ I �- A C _ .�� � DIVERSION DITCHES, ALL STORMWATER
iuo a � �
BY SCONVE
EET FD �0 BASINS A THROUGH F
/ V' t l/ li _ I ems rROMP?30N,ALERT JOC ,.�— / 1 z
LCID SITE TO { s �, - - /D \ 0
1 \
BE RELEASED
\ NEW LGI -
2T7702 SE
1
f _
MINING APEAI'. AA TL ��� � � � �
I , 10 r
l� us'sa/ DIVERSION SWALE
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J �' \ \ ( 1 I i 1.1 ' \ •\\ \ �' LU
I ` , � ' �( ` _... ' �\- '�`",\v� w - - - %�� — —so —sr SILT FENCE O
( \ \ \ \ UNDISTURBED
P I ( \ MATTING a
\ �� ( \ BUFFER / IN 2 UJ y�
= /. ,/ Iwo
SILT FENCE OUTLET I
_-z `'• - '�` \ ``~ ~,. .' � .� �\\ , ' — - - ' •� �� /
(RIP RAP ROCK APRON)
I � / �•` ) ' � . `- �\ -' I �- � �'�= _ OUTLET STABILIZATION
nr HAUL ROAD ' FUTURE - _ s 1\I',�'1 .Y''"'� ~ �-:�� \\\ \�•• \. — --.=� J_
(Vl/�C, , TO NEW SAND _ `' .:._ A�V A\ '� —
1 C / MINING na " _ AREA - J I � \ � A \VA I I' ,�� - \V� V � . 41- FLOW DIRECTION
MINING �� __ I
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L - \
Al,
V l A\ A -�. �. pFRRHE S' V ��1� 11 I '••� V I f i 0
f P
F s `
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� �. III
OTr. -LWCWY �iQtYN A • \ , I I
1
\ �p 3oz ae es 7nR \ / l/, .r, /r/J -� // /✓ 1 / ! CMP RISER W TRASH RACK
/\ I
CMP OUTLET PIPE WITH FLARED END SECTION
_ vVI
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IN,. CA
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i. -"/// \ __.. r / \ ^. --.✓� - „�="' -E CsE __ _ B 452 P
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NTRAN
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\ A v A \ _ - - 09P C�
-: -- -GATE..
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1 -0
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can
LLJ
MCGILL PAUUNE. HEIRS
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a � � $ � \ -- �; , :" ` \ `\\ �' f `. 1 \\\ \\��\, rj/jf/��• //f�/ � ,r' _ �! NOTES:
c"
i
FTT
sc!"`E`
`\ _ .�. \•, ._:._.RAHCGI P LRNE 4E!ks `_.,., a \ � . ✓ I I ` t I I ` J
lam) \ J ;" ; �j \ \ .I J } '1� 1(I( ( E 111111 (r -� - / / / / J 1. THE SITE SHALL BE ACCESSED BY THE NEW HAUL ROAD, DATE O�-Oi�-ZQZO
J - \ , ~ \ 1 I 1 \ \ \ 1 f 1rtlif IIII1 111i�IS l l� // / /r WHICH IS TO THE EAST OF THE EXISTING HAUL ROAD. THE
- ,
\ -- L9N OLFJ D{i' \ \ \ f I I r i LL SEASON HAUL ROAD IS PART OF THE LCID SITE AND NOT
` \ I ;N' \ E ( IIII Il ` - t . / i INCLUDED IN THE MINE PERMITTING PROCESS.
SHEET rw.:
LAWRENCE MCCOLLUM RDv\\� \\� + \
V A VA1A\
-- --
f V nadn
SCALE: 1 - 300
8 7 4 3 2 - --
---- —

8 7 0 5 4 3 2 t
THE NATURE AIR�Lu7�i;
C SERVANCY I - \ w
_ �h1
777 P 225 ' N E � f � + ` _� /` ,, _ — _: �- —
4 0 ,WIXYM� ' � _ a g_
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5L 7
V
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( � f � � � �1/�� i � �R � ;I I d � � — ram.+ h ' f7 /� f � � I �i�l � `� \ \ \ r� � ' --r• � � l \ �, � ''. /✓ ',. �z -c �zw
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{STATE OF NORTH CAROLING /� \ V � ���z�
�. De7P $59 i / �� �' �' � -�`� MINING yf EXISj11I �,; �� i��� U r.
' .
y
\'AREA
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- „�� — — — �� �t ����� ! F III / Y� �. iL— j
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DESIGNED: 5MM
�. t � � ✓ � ' /J o DRAWN: TC
3`\i i i 1 �, /` nt
' r j .r/ 1j �� v j APPROVED: CRP
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f i. ,. � � 1 I � 1 .1/ f I I { � 1 J" y" \ \ `� l _'-^— —+ 1 i• d�S�h�``c� � ° '�'
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PROJECT
IST
L , 50' UIiDISTUR�BED , _ MINING LIMIT ` f� '� �e_ 2 °KK�IININ �'� z
r r ROPERTY LINE f PERMIT ` ND UFF R — , ,—_, _— � A ...� s ' � AREA .�
1 t SOU ARY 5 — -
' / --- ------ y, �;
/ _ �`.. �.7 ��.
EXISTING "S7R�EAM CROSSING Z
(PREVIOUSLY PERMITTED) � 0
top
l
m - -- p ' _ -- ' �`--'— — _ \ � _ a t—
� P � �" O 0
CA LEGEND
C! B
-- \ - 3
o l \
BEV ET �� QC
— EG ATA
\fRM` �
--' `f`ti R' i ., \ ♦ -4 f DIVERSION SWALE g
1
BASIN'
> STATE OF NORTH CAROLING \ \ +` I I \ z
SILT FENCE
- �S 20 P 853 �� I �{IL (1� 1 ' A .
� , Q NEW tjflj�l ` �, `\ , w` � \ � MATTING
- - I �
' SILT FENCE OUTLET 0
I _ MIMING i I�r� _ _ I �, ,� ,�
�� A oe
AREA I1II�I`1�� P
a
I y 1 ig
OUTLET STABLIZATION (RIP RAP ROCK APRON)
w7 V 1 I FLOW DIRECTION
LCID SITE TO
COIR BAFFLES
BE RELEASED } /
r� NEW LCID
CMP RISER W/ TRASH RACK
l a
217,702: SIF
I I { l 1 1 ✓ . 4.998 AC = 1 I i III II 1
GMP OUW TLET PIPE WITH FLARED END SECTION
BAST€MINING
f
F'{L-ES
AREA
is-
—� r i I � � fllf III vim ,
NOTES: ff
1 . THE SITE SHALL BE ACCESSED BY THE NEW HAUL ROAD, o
Z o WHICH IS TO THE EAST OF THE EXISTING HAUL ROAD.
\, A� V �JNQIBTUR�BE ! THE ALL SEASON HAUL ROAD IS PART OF THE LCID SITE S r
A � — - I \ \ \ _ �� AND NOT INCLUDED IN THE MINE PERMITTING PROCESS. x y A
SCALE:
, — — � I 1 � a _ — ' � v IiII r \ � 1 J / " \ � � � � • DAZE.
09-01 --2020
� i� p��, /., ; 1 l_ fog , \ 1 \ I
I P j SHEET NO..
E \
' v�Q ---_.. ' �� Ml ,tdEW HAUL ROAD FUTURE
TO NEW SAND MINING 1 \ 200 — 0 200 400 Wo ACM
I ! l
MINING AREA AREA m ---- =
S MCNE , KE NA ? SCALE, 1 - ? 0,
1 \
g 7 6 5 4 3 � 2
i

g 7 6 ` 5 4 3 2 1
T H E,i NATU R E
CONSERVANCY rAIRC ( � o
B F YYA 1 � UJWR 2K
�L� ��� P, 2 2�.J
(1 r \ i � ! � ' 1 ..:. �. I \. \ , t1 ... [i - f �'•. . r LEGEND
l 1 D
DIVERSION SWALE
-S', - -Sr — SILT FENCE
i Q
ti
MATTING
SILT FENCE OUTLET 7 O
Obw OUTLET STABLIZATION (RIP RAP ROCK APRON) ft� > 00 �0
FLOW DIRECTION
COIR BAFFLES z Z � 0)
w �
CMP RISER W/ TRASH RACK rt zo
67
CMP OUTLET PIPE WITH FLARED END SECTION \ CL
\ ;
uj
100
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r SCALc:
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DESIGNED: SMM C
/ _ % J - DRAWN: TC
�- __I . CRP
�\ APPROVED
` P
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Ys
"
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i .ice
STATE OF ,'NOR H CAROL.INA J ; / �� f
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PROJECT
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_ BASIN 3 I
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A a
SCALE:
DATE: 09-01 �-2020
% `' ' +,.-' ,� ,,! �; ,, _ ✓ r` �� r t i, � � i � \ SHEET NO.:
m 11 Nm I am II II' m1ImII I I m I I wm I �r no J1
C3
MATCH LINE
g I 7 6 5 4 3 2 1

+
�� � j _ � I � ► I � I � ► IJ• tI >! ► L� iI, l� � ' � = � � i 11 I 1--hjr, ll .� " ► ►v � ( li � I � I� I A� lid
r r ' I E
_IATCHI..'
0 ' U (—`� ('�-- MINING I M I T g6, � �&�m
D ►-�/ {.�� _ mj
I \ � `.\ e
POPE TY ED BUS
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BASIN 1 ' L w Q
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STATE OF NORTH CAROLINAlfi''bill ,
DB 720 P 859 ` - - - Ik�ll 11! DESIGNED: Sill C
o
DRAWN: TC
NEW``� / I/� �j�1 t�i APPROVED: CRP
MINING j /�, gill
AREA
l PROJECT
w�
SITE ` 0
TO d
/ � ;• '�`,��` �` \ �' - � \ is
� ` R BEEEEAS D X
ErF�, D � � � i � K �VVY will 0
NEW LCIO i-
B —� --<__ DIVERSION SCALE s "v � � � �
Lu
998 AC '
—Sv —r, s - -sF — SILT FENCE r" ' l t 't O ` r {`• - {. W � �t
" MATTING
MINING o
AREAUJ
OUTLET STABLIZATION (RIP RAP ROCK APRON) 0
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DRAWN: TIC
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GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH''
THE NCGO1 CONSTRUCTION GENERAL PERMIT
ONSITE CONCRETE WASHOUTao-
im lementin the details ands specifications on this plan sheet will result in the construction STRUCTURE WITH s.INEP
Implementing P P EQUIPMENT AND VEHICLE MAINTENANCE
activity being considered compliant with The Ground Stabilization and Materiais Handling ..
1. Maintain vehicles and equipment to prevent discharge of fluids, U n owe �
r , � Q
sections of the NCGOI Construction General Permit(Sections E and F, respectively). The
2, Provide drip pans under any stored equipment.
permittee shall comply with the Erosion and Sediment Control plan approved by the 3. Identify leaks and repair as soon as feasible,or remove leaking equipment from the J
delegated authority having jurisdiction.All details and specifications shown on this sheet8 .re + 4 August AU <~ <
may not apply depending on site conditions and the delegated authority having project. L s ;, - $ , 2011 F o
jurisdiction. 4. Collect all spent fluids, store In separate containers and properly dispose as. \ 3 a r 3
hazardous waste(recycle when passible). Imo✓,�' trrnad� e o .# .ate..,,. Nlr,;Ijor Elements of DWQ C' u-ns ruction 9 ensaral Permit
SECTION E:GROUND STABILIZATION S. Remove leaking vehicles and construction equipment from service until the problem 'J �• o.,. "� y,
has been corrected.
Required Ground stabilixallonTimeframes sus ,�-" n" wa �aim
i 6, Bring used fuels,lubricants coolants,hydraulic fluids and other petroleum products . a..t,.. =Mw z
Stabilize within this g : Y P P Quality ( ) _
many calendar to a recycling or disposal center that handles these materials. 'I his document contains the major elements of the recently-revised North Carolina Division of Water ualit W Construction
"r,Lav l+gatlE vat YFfT SfRIS[iR£ a,FiGvl a•9r vaS�i�r [^A,errs -� Zp LL3N
Site Area Description days after ceasing Timeframe variations ` -�` � General Permit (NCG01)with emphasis placed on those elements that differ from the previous permit(expiration on August 2, no W a
tans disturbance - _- -,�� 2011). Since the summary list below cannot contain details of every Is a`t,
LITTER,BUILDING MATERIAL AND LAND CLEARING WASTE t'y cry Change,.the complete Permit should be used t0 assure,full s�,��
(a) Perimeter dikes, -- -- implementation. See: 1)tt n•-a qiv I 7 None 1. Never bury or burn waste. Place litter and debris in approved waste containers. CONCRETE WASHOUTS p ..t,�:f jpOrtai,ilCdeni._ :arF4uBl:r%Vv..),4v'S15UfcOltStrUCtIOf7 D
swafes,ditches,and
perimeter slopes 2. Provide a sufficient number and size of waste containers(e.g dumpster,trash 1. Do not discharge concrete or cement slurry from the site.
(b) High Qualify Water
receptacle)on site to contain construction and domestic wastes. 2. Dispose of,or recycle settled,hardened concrete residue in accordance with local
None 3. Locate waste containers at least 50 feet awe from storm drain Inlets and surface and state solid waste regulations and at an
(HQW)Zones 7 Y g approved facility. The orator change in the Permit from the previous one is the shorter
waters unless no other alternatives are reasonably available. 3. Manage washout from mortar mixers in accordance with the above item and in 1) Ground Stabilization* times to apply ground stabilization such as mulch,wheat straw..or
(0 Slopes steeper than if slopes are 10'or less in length and are 4. Locate waste containers on areas that do not receive substantial amounts of runoff addition place the mixer and associated materials on impervious barrier and within grasses. The NC laws and rules relating to the Sediment Act require,,
3:1 7 not steeper than 2:1, 14 days are from upland areas and does not drain directly to a storm F drain,stream or wetland: lot perimeter silt fence. in most laces,ground stabilization within 2I days.
Site Area Stabilization Stabilization gT ys, Based on the allowed
S. Cover waste containers at the end of each workday and before storm events s. 4. Install temporary concrete washouts per focal requirements,where applicable. If an EPA requirements and 9-months' work with a permit advise group,
-7 days for slopes greater than SO'in provide secondary containment. Repair or replace damaged waste containers. alternate method or product Is to be used,contact your approval authority for Description Time Frame Frame Exceptions P �'$ P_
length and with slopes steeper than 4:1 6. Anchor ail lightweight items in waste containers during times of high winds. review and approval. If local standard details are not available,use one of the two rePerimeter dikes, CTAG,the Division and EPA-developed permit, now contains
-7 days for perimeter dikes,swafes, 7. Empty waste containers as needed to prevent overflow. Clean up immediately if types of temporary concrete washouts provided on this detail requirements for ground cover within 14,and in some places, 7 clays.
(d) Slopes 3:1 to 4:I 14 swafes, ditches ? days None Z N
ditches,perimeter slopes and HQW containers overflow. S. Do not use concrete washouts for dewatering or storing defective curb or sidewalk and slO s
Zones B. Dispose waste off-site at an approved disposal facility. sections rmat ulatd withi th. 5tawer accumulated e washout may not be pumped into or 5' a d'
-10 days for Falls Lake Watershed 9. On business days,clean up and dispose of waste in designated waste containers, discharged to the storm drain system or receiving surface waters. Liquid waste must • High Quality 2) Building, Wastes Handling W (:y) LO (D
-7 days for perimeter dikes,swafes, be pumped out and removed from project. Water(HQW') 7 days None "r N CC) to
e Areas with slopes ditches,perimeter slopes and HQW Zones 6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it In 0
O P PAINT AND OTHER LIQUID WASTE ZUrie3
flatter than 4:1 14 -10 days for Falls Lake Watershed unless can be shown that no other alternatives are reasonably available. At a minimum, • No paint Or liquid wastes in stream or Storm drains
1. Do not dump paint and other liquid waste into storm drains,streams or wetlands. install protection of storm drain inlets closest to the washout which could receive If slopes arc 10' or p q to 11} ` GT7 there is Zero ,aslope p 1 ) Slopes steeper less in length and are • Dedicated areas for demolition, construction aLld other $ l- U i (`
Note:After the permanent cessation of construction activities,any areas with temporary 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface spills or overflow. •
round stabilization shall be converted to permanent round stabilization as soon as waters unless no other alternatives are reasonably available- 7. Locate washouts in an easily accessible area,on level round and install a stone 7 days (f} ('
g P g 3. Contain liquid wastes in a.controlled area. entrance ad in front of the washout. Additional controls may be re than 3:1 not steeper than 2:1, wastes must be located 50' from storm brains and streams (, � �.
practicable but in no case longer than 90 calendar days after the last land disturbing P required by the
activity. Temporary ground stabilization shall be maintained in a manner to render the 4. Containment must be labeled,sized and placed appropriately for the needs of site. approving authority. 14 days are allowed. unless no reasonable alternatives available. Z Z of
surface stable against accelerated erosion until permanent ground stabilization is achieved. S. Prevent the discharge of soaps,solvents,detergents and other liquid wastes from B. Install at least one sign directing concrete trucks to the washout within the project 7-days for slopes • Earthen-material stockpiles must be located 50' floor storm Z 0)
construction sites, limits. Post signage on the washout itself to identify this location. • Slopes 3:1 or I W
r 9, Remove leavings from the washout when at approximately 75%ca act to limit flatter 14 days greater than 50 feet drains and streams unless no reasonable alternatives -.I 111 CL Z
GROUND STABILIZATION SPECIFICATION B pP Y capacity � Q
PORTABLE TOILETS overflow events. Replace the tarp,sand bags or other temporary structural ill length available. a Q
Stahiliz tt,e ground sufficient' that rain will not dislodge the soil. Use one of the S (L
techr: i -s in the ta' It rYlrr. 1. Install portable toilets on level ground,at least 5o feet away from storm drains, components when no longer functional. When utilizing alternative or proprietary None • Concrete materials must be controlled to avoid contact with ^m t" (Z
- - - streams or wetlands unless there is no alternative reasonably available. if 50 foot Products,follow manufacturer's instructions. ® All other areas surface waters, wetlands, or buffers. O
Tempurar t .tie f n-nw:.r c , r ��,,.:,, Y (except for r�l
,,th s lac„r or offset is not attainable,provide relocation of portable toilet behind silt fence or place 10. At the completion of the concrete work,remove remaining leavings and dispose of with slopes flatter 14 drys Z
on a gravel pad and surround with sand bags. in an approved disposal facility. Fill pit,if applicable,and stabilize any disturbance than 4:1 perimeters and W
., Ent ao+I I g R P g Pe g g caused by removal of washout- HQW 'Zones 3) Discharges if) f ederaliv_t't>_tea4 Waater,5
l
° - 2. Provide staking or anchoring of portable during rinds of high winds or in high
with or .a. n,.nu'"t foot traffic areas. • "
. t -ndin8 Extensions of time may be approved by the permitting authority
AFp,dp,,)t,ly_:vro,,:d,u3.4 or other mulch . $r ,,or other permanent plantings covered 3. Monitor portable toilets for leaking and properly dispose of any leaked material based on weather or other site-specific conditions that make compliance • Re IliretnCnts are the same as in previous permit.
+ Plastic sheeting ,::,Ich Utilize a licensed.sanitary waste hauler to remove leaking portable toilets and replace n q p
impracticable."(Section I(.l3(<)(h))
et •:nand evenly distributed ground cover with properly operating unit.
HERBICIDES,PESTICIDES AND RODENTICIOES + '1'Fie permit allows reduction from the 20 acre itlinl2tiunt if
tit to restrain erosion 1. Store and apply herbicides,pesticides and rodenticides In accordance with label the Director of DWQ determines that Other B VIPs provide
• ti :: al methods such as concrete,asphalt or restrictions. a bivalent protection, DESIGNED: SMM C
C ens estricons.
. P, "'control praductswithgrass seed 2. Store herbicides, pesticides and rodenticides in their original containers with the
EARTHEN STOCKPILE MANAGEMENT label,which lists directions for use.,ingredients and first aid steps in case of 1 DRAWN: SM M
1. Show stockpile locations on plans. Locate earthen-material stockpile areas at least accidental poisoning.
50 feet away from storm drain inlets,sediment basins,perimeter sediment controls 3. Do not store herbicides,pesticides and radenticides in areas where flooding is APPROVED: CRP
POLYACRYLAMIDES(PAMS)AND FLOCCULANTS and surface waters unless it can be shown no other alternatives are reasonably possible or where they may spill or leak into wells,stormwater drains,ground water
1. Select flocculants that are appropriate for the soils being exposed during available. or .surface water. If a spill occurs,clean area immediately.
construction.,selecting from the NC DWR List of Approved PAMS/Flocculants. 2, protect stockpile with silt fence installed along toe of slope with a minimum offset of 4. Do not stockpile these materials onsite.
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. five feet from the toe of stockpile. s
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved 3. Provide stable stone access point when feasible. `S
PAMS/Flocculants and in accordance with the manufacturer's instructions, HAZARDOUS AND TOXIC WASTE August 4, 2011
4. Stabilize stockpile within the dmeframes provided.on this sheet and in accordance
4, Provide ponding area for containment of treated Stormwater before discharging with the approved plan and any additional requirements. Soil stabilization is defined 1. Create designated hazardous waste collection areas on-site,
offsite. as vegetative,physical or chemical coverage techniques that will restrain accelerated 2. Place hazardous waste containers under cover or in secondary containment, Major Elements of DWQ Construction General Permit- Continued
5. . Store flocculants in leak-proof containers that are kept under storm-resistant cover erosion on disturbed soils for temporary or permanent control needs. 3. Do not store hazardous chemicals,drums or bagged materials directly on the ground.
or surrounded by secondary,containment structures. •*
NCG01 GROUND STABILIZATION AND MATERIALS HA IDLING EFFECTIVE: 04/01/19 4
4) Inspections 6) ("ondition�s in Erosion Sz Sedimentation Control Plans" ✓fit
PART EII
SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING a PROJECT
PART [II • Same weekly inspection i'egmi'elnents Designation on the plans where the 7 and 14-day ground -` -_
SECTION A:SELF-INSPECTION SECTION B:RECORDKEEPING I SELF-INSPECTION, RECORDKEEPING AND REPORTING stabilization requirements of the NPDES permit apply
Self-inspections are required during normal business hours in accordance with the table 1. E&SC Plan Documentation „ Designation On the plans wliere basins that comply with the Z
• Same rain gauge&inspections after 0.5 rain event rJ <
below. When adverse weather or site conditions would cause the safety of the inspection The approved E&SC plan as well as any approved deviation shall be kept on the site. The SECTION C: REPORTING surface-withdrawal requirements of the NPDES permit are
personnel to be In Jeopardy,the Inspection may be delayed until the next business day on a roved E&SC Jan must be ke t u to-date throb hout the covers a under this permit. 1. Occurrences that Must be Reported a "^� 0
PP p P e g g P P • Inspections are only required during "normal business located, t9 which 8 is safe to perform the inspection. In addition,when a storm event of equal to or The Following items pertaining to the E&SC plan shall lo kept on site and available for Permittees shall report the following occurrences: is
greater than 1.0 inch occurs outside of normal business hours,the self-inspection shall be inspection at all times during normal business hours, hours"
performed upon the commencement of the next business day. Any time when inspections (a) Visible sediment deposition in a stream or wetland.
were delayed shall be noted in the Inspection Record. T.-. _-� • Inspection reports must be. available on-site during 7) Building Wastets Bantling 1.4
agItem to Document Documentation Requirements ( Ib) oil spills it: business hours unless asite-specific exemption is �.y14
i Trequattcy - (e) Each E&sC measure Has been Install ed tbitial and data each E&SC measure on a copy • They are 25 gallons or more, a ti
OVed. Z
+ v paint or liquid wastes in stream or storm drainsZe
Inspect tauringtwrmal utspeetionrex::xda mots include: and does not significantly deviate from the ; of the approved E&SC plan or complete,date.. i The are less than 25 gallons but cannot be cleaned u within 24 hours,
_ I busines pourst I fixations,dimensions and relative elevations ; and sign an inspection report that hits each v g p • Records must be kept for 3 years and available upon W
l tliRain gauge l Daily oalty rainfall amounts, shown on the approved E&SG plan. i E&SC measure shown on the approved E&SC ) • They cause sheen on surface waters(regardless of volume),or request, + Dedicated areas for demolition, construction and other Z
am
maintained In If no dal rain gauge observations are made during weekend or seta ry e s cla- This documentation is required upon the I They are within 10o feet of surface waters(regardless of volume). • Electronically-available records may be substituted wastes located 50' from stone drains and streams unless A
( good working holiday Periods, and no individual-day rainfall information is I installation of the E&SC measures or If Re
' order available,record the cumulative rain measurement for those un- under certain conditions, no reasonable alternatives are available. 0 0
attended days land this will determine If a site inspection is + `�measures are modified after initial ( W
headed), Days on which no rainfall occurred shall be recorded as ..I. (c) Releases of hazardous substances in excess of reportable quantities under Section 311 • Earthen-.mateTi31 stockpiles located 50' fi'orn Stotttt X LU P
ero:' The rm+irr• n,,y a»oher r:,In-monitoring device (b) A phase of grading has been completed. a::ee a eopyof the approved E&sC of the Clean Water Act(Ref:40 CFR 1103 and 40 CFR 117.3)or Section 102 of CERCLA a
(Ref:40 CFR 302,4)or G.S. 143-215,85, S drains Unless no reasonable alternatives available. 0�
plete,date and sign an inspection .) Ion piementation of-New Permit Conditions 2
At ]. ldanti, -- ,c ate completion of the • Concrete materials Inust be coniralled CO avoid Contact m^
I Measures 1 �. i. Date and illidof Lora rtiµe.tm,,
' 3. Name of the person performing the t "' • with surface waters wetlands or buffers.°"• - (d) Anticipated bypasses and unanticipated bypasses. Projects permitted under the previous permit can X
it,, 5 mdicaEon of whether the measure. ,e,atin (e) Ground cover is located and instaltea h^ Dy of the aneroved E&sC - r-g Ct7ntlnUe t0 fC�)t'.e' 'i;Tt:�3LtiUBlTir'-j1L'M'rIIG COnd[IrOIL. - _
in accordance with tile approved E&SC plan or core,: :;ace ar, - an inspection - a
r-a - maintenance needs foroasure, I plan. report to mdrt. - .mpu,.,_ _:,ti,a roved 1e) Noncompliance with the conditions of this permit that may endanger health or the • i
_ pP Complete applications received prior to August 3, 2011 8) Sediment Basins
atmce an date a{co attians taken
{315tarmwater At .. r[he d r autfa In ,reed, ground Cover environment.
-- can follow conditions of approved application. �1
dischar a 7, ,f tt,•: - - .�� - , _ �.--.-� i
O Pp� • Nutlet structures must withdraw from basin surface
B 'n• d The mamtenanceand re air Complete,date ::�,�, -
oudanstsoos) a:�- requirements for allE&sCmeasures � 2.Reporting Timeframes and Other Requirements • Applications received after'August 2, 2011 must comply �
t,o: ^.asoii P g Q
1" have been performed. unless drainage area is less than i acre. O
e" --- - - --- .- After a permittee becomes aware of an occurrence that must be reported,he shall contact with new permit conditions.
is - (e) Corrective actions have been taken initial and date acopy of the approved E&SC the appropriate Division regional office within the timeframes and In accordance with the W
taken.. ___ to E&SC measures, plan or complete,date and sign an inspection • Use Only DWQ-approvCd%mculants, g&g 91
I me „n shall h - a reoord other requirements listed below. Occurrences outside normal business hours may also be G site
Perimeter o£ At r.. ,, u.,� - - . a � - n report to indicate the completion of the 0 Y
silo 7talanda,days <: g ornadc� reported to the Department's Environmental Emergency Center personnel at(SOO)
r Corrective action, _, 858-0368,
and within 14 i ,• aken to dean up o: .• _ I chat has left
hours of a rave - • In order for the F issi Plan to satisfy the conditions of the Construction General permit,it must idea*areas where the ground stabilization requirements apply antl the -- -
24 noun
t.o thin 1 z taken,and 2.Additional Documentation to be Kept on Site location of the basins where the surface-withdrawal requirements apply:
r 24 hours i ; - ... .::::,re v In addition to the E&SC plan documents above,the following items shall be kept on the -•----- ---- --._ __ --- - _
--`"" Occurrence Re
ISI Streams M At lease n netland het{nor ,r a site and available for inspectors at all times during normal business hours,unless the r----,�. Porting Timeframes(After Discovery)and Other Requirements w
: wetlands onsite 7 ealenn. ore increased tu,brn - -. -.. Division provides a site-specific exemption based an unique site conditions that make I (a)v5sible sediment • Within 24hours,an oral arefectranic notification. Is
v;
or offslte r lf,ty.then a retard of the followor, nade: deposition in a a Within 7calertdardays,a report that contains a description of the
des c
(where ui on evidence and date of ao actions taken,and description, this requirement not practical: I stream or wetand sediment and actions taken to address the Cause of the deposition.
accessible) e, < Rt,_ords u 1 e .-clretl sports in t" ,,ate Division t,
Division staff may waive the requirement for a written report on a �
o
_N za noars
t6)Ground Alter eacn phase ease-by-case basis. prepared 7 n s permit (a) This General Permit as well as the Certificate of Coverage,after it Is received, Document re ared bt,�y, the Divisionf Water Quality 2
i
i stabilization or grading „ + If the stream is named on the NC 303(d)Ilatas impaired for sediment- o
{ measures It:,, pteuu (b) Records of inspections made during the previous twelvemonths. The permittee shall related causes,the permittee may be required to perform additional
atdvin or rode• record the required observations on the Inspection Record Form provided by the monitoring,inspections or apply more stringent practices if staff
I graunr Division or a similar inspection form that includes all the required elements. Use of determine that additional requirements are needed to assure compliance
m e req oundsta6rxatlan electron ica8y-available records in lieu of the required paper copies will be allowed if ',� with the federal orstate Impaired-waters conditions.
2 Docur' r.oravided „ihm the required --------_-
�:rarua that they will be provided as shown to provide equal access and utility as the hard-copy records. (b)Oil Spills and a Within 24 hours,an oral or electronic notification, The notification it
release of shall include information about the date,time,nature,volume and 3.Documentation to be Retained far Three Years .�
- - - -- - hazardous location of the spill or release.
All data used to complete the a-NOI and all inspection records shall be maintained for a period m NOTE P,- rain inspection reset=the required r , :r day inspection requirement. of three ears after project completion and made available upon request. [40 CFR 122.411 1 substances per item ( o
I 4 _ �- Y� P q Y p j P p q i(b)-(c}above r- _ _
(c)Anticipated i- A report at feast ten days before the date cif the bypass,ilipass/ble. td
PART 11,SECTION G,ITEM(4) bypasses 140 CFR The report shall include an evaluation of the anticipated quality and Z o
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT 122 di(m)(3)I I effect of the bypass. Z
A w ,anticipated . Within 24 hours,an oral or electronic notification.
b trio CPR . Within 7 calendar days,a report that Includes an evaluation of the LU A
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down ;! _ quality and effect of the b ass. d
for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare(for example,times with extended cold weather). a once `. Within 24 hours,an oral or electronic notification.
Non-surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met: with the onditions • Within 7 calendar days,a report that contains a description of the SCALE:
of this permit that noncompliance,and its causes;the period of noncompliance,
(a) The E&SC plan authority has been provided with documentation of the non-surface withdrawal and the specific time periods or conditions in which it will occur, The non-surface withdrawal I may endanger including exact dates and times,and if the noncompliance has not DATE: 05._2$-. 2020
shall not commence until the E&SC plan authority has approved these Items, health or the been corrected,the anticipated time noncompliance Is expected to
continue;and steps taken or planned to reduce,eliminate,and
(b) The non-surface withdrawal has been reported as an anticipated bypass in accordance with Part 111,Section C, Item(2)(c)and(d)of this permit, environment[40 cont SHEET NO,:
(c) Dewaterin discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of a CFR azaaip)p)1 prevent reoccurrence of the noncompliance.a written
122.41(1)(6).report
on
g g g P p appropriate include '. Division staff may waive the requirement for a written report on a
properly sited,designed and maintained dewatering tanks,weir tanks,and filtration systems, ( ease-by-case basis.
fell Vegetated,upland areas of the sites or a property designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item(c)above,
(el Velocity dissipation devices such as check dams,sediment traps,and riprap are provided at the discharge points of all dewatering devices,and
if) Sediment removed from the dewatering treatment devices described in Item(c)above Is disposed of in a manner that does not cause deposition of sediment into waters of the United States.
NCGOI SELF-INSPECTION, RECORDKEEPING AND REPOP.TI'till G EFFECTIVE: 04/01/19
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SEEDING MIXTURE
D SPECIES (LB/ACRE)
GERMAN MILLET 40 TOP WIDTH R8� I +�E[ �L
SEEDING NOTES c ns
QUARRY SIDE OUTSIDE
IN THE PIEDMONT AND MO UNTAINS, A SMALL-STEMMED SUDANGRASS MAY BE SUBSTITUTED AT A RATE OF 50 LB/ACRE ® SLOPE TO INTERIOR
SEEDING DATES
SEE DETAIL THIS SHEET-
it
1 r AW 4,�. iR`I`aaicw I
APRIL 15 TO AUGUST 15 2 ---
SOIL AMENDMENTS - 30ft, MAX.
EARTH BERM FOLLOW RECOMMENDATION OF SOIL TESTS OR APPLY 2,000 LB/ACRE GROUND AGRICULTURAL LIMESTONE AND 750 1 I , �� hE,UHT C
11 z N
DITCH BLOCK LB/ACRE 10-10-10 FERTILIZER. I l I ; -
11
MULCH
ANCHOR STAKE DISK WITH BLADE SET NEARLY STRAIGHT CAN BE USED A MULCH ANCHORING TOOL SECTION THFtU BERM LESS THAN 30ft. IN HEIGHT n > CD Lo
APPLY 4A0O LB ACRE GRAIN STRAW. ANCHOR By TACKING WITH ASPHALT, NETTING OR A MULCH ANCHORING TOOL, A
TEMP. SHOULDER TEMP. EARTH SHOULDER BERM GH _ Yacwn Sws cE " x N CD LC)
BERM DITCH 72" ANCHOR STAKE - - a Ds C' c Oyu LL !n .7 O
MIN. EXTEND DRAIN AS REQUIRED TO MAINTENANCE QU vo.0 oU7 ' = N r- O)
- COINCIDE WITH HEIGHT OF REFERTILIZE IF GROWTH IS NOT ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING EROSION OR u�cne �c � ' � N 00)
FINISHED EMBANKMENT OTHER DAMAGE.
aaa TEMP. EARTH SHOULDER BERM �u wsu%14'r L�� d � ^ I\
L, 10' MAX. 10ft, MIN. 1 0)
MIN. s SEEDING MIXTURE TOP WIDTH
NATURAL GROUND LINE ELBOW QUARRY SIDE END VI6Y� z Z � - 67
q SPECIES (LB/ACRE) (�' OUTSIDE d W
RYE(GRAIN) 120 Z W .
EARTH BERM DITCH BLOCK _ - ' I ► *w
I (� 07
TEMP. SHOULDER BERM DRCH TEMPORARY SLOPE DRAIN �
2 w
...
SEEDING DATES 5ft. MIN. _ 0 X
5' MIN -►{ ANCHOR STAKE BENCH WIDTH 1 STREAM CROSSING DETAIL Z S (a, O d
STAGE BUILDUP OF FILL - ELBOW AUGUST 15 TO DECEMBER 15 20ft. MAX. y LL
� � ( BENCH HEIGHT FOR HAUL ROAD Q d
SOIL AMENDMENTS z
THIS DETAIL HAS BEEN PREVIOUSLY SUBMITTED AND a ANCHOR STAKES 30" LONG TOE OF FILL -NOTE: � G. FOLLOW / 2 W
AND SET MINIMUM 12" OEEP. LB/ACRE
R10-10E10 FERTILIZER.
OIL TESTS OR APPLY 2,000 LB ACRE GROUND AGRICULTURAL LIMESTONE AND 1,000 I-'- I 20ft. MAX. APPROVED FOR THE PERMITTING OF THE EXISTING
CLASS "B" STONE OR SILT f
aAFdN. T`/Pr: 9_ SEE sTIM. MULCH 1 _ I __. _ -_-- ! BENCH HEIGHT MINING AREA.
APPLY 4,000 LS/ACRE GRAIN STRAW. ANCHOR BY TACKING WITH ASPHALT, NETTING OR A MULCH ANCHORING TOOL,
A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE SECTION THRU BERM MORE THAN 30ft, IN HEIGHT MAINTENANCE
t: REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOPDRESS WITH 50 LB/ACRE OF NITROGEN IN MARCH. IF IT ALL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL EVENT EXCEEDING
IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND JUNE 15, OVERSEED WITH 50 LB/ACRE KOBE LESPEDEZA IN 0.5" OR GREATER. INSPECTED PRACTICES INCLUDE BUT ARE NOT LIMITED TO: DESIGNED: SMM C
NOTES: LATE FEBRUARY OR EARLY MARCH.
1. OPEN END PIPE WITH SUMP AND MINIMUM SETBACK AND PROPER COMPACTION IS AN ACCEPTABLE 3ft I, TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT AND PROXIMITY: DRAWN: SMM
INLET TREATMENT FOR STAGED CONSTRUCTION WHEN NOT LEFT IN PLACE FOR MORE THAN 30 DAYS. SEEDING MIXTURE
2. AT INLETS A STANDARD T-SECTION MAY BE INSTALLED FOR MULTI-DIRECTION FLOW AND ELBOWS SPECIES RATE(lb/acre) �� MAINTAIN THE GRAVEL pn0 IN n CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE CONSTRUCTION SITE. APPROVED: CRP
RYE (GRAIN) 120 FLOW THIS MAY REQUIRE PERIODIC TOP DRESSING WITH 2-INCH STONE. AFTER A RAINFALL, IMMEDIATELY REMOVE ALL
FOR SINGLE-DIRECTION FLOW AS DIRECTED. KOBE LESPEDEZA 50 1 ft.
3. EXTEND SLOPE DRAINS TO BOTTOM OF SLOPE, SEDIMENT BASINS AND EROSION CONTROL MEASURES. OBJECTIONABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO ROADWAYS,
4, USE CLASS B STONE FOR EROSION CONTROL AT OUTLET LOCATIONS. SILT BASINS AND OTHERS OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT TO EXTEND 2. CHECK DAMS:
EROSION CONTROL DEVICES MAY ALSO BE UTILIZED TO PREVENT SCOUR AT OUTLET LOCATIONS, BEYOND JUNE, CHECK DAMS AND CHANNELS SHALL BE INSPECTED WEEKLY AND AFTER 0.5" (OR GREATER) RAINFALL EVENTS ANDi
5. USE MAXIMUM SLOPE DRAIN SPACING OF 200ft MEASURED ALONG TOP OF SLOPE. DETAIL ANY NECESSARY REPAIRS SHALL BE MADE. SEDIMENT, STRAW, LIMBS OR OTHER DEBRIS SHALL BE REMOVED FROM
SEEDING DATES THE CHANNEL
A small berm shoes .be constructed along top
DECEMBER t TO APRIL 15 NOTES: of berm to prevent runoff along slopes. ADD STONES TO THE DAM AS NEEDED. jr ?
_ - SOIL AMENDMENTS 3. SILT FENCE AND FABRIC:
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 lb/acre GROUND 1. SLOPES SHALL BE TRACKED WITH A DOZER DURING CONSTRUCTION TO AID IN THE "
ESTABLISHMENT OF VEGETATIVE COVER, INSPECT SEDIMENT FENCES EACH WEEK AND AFTER EACH RAINFALL .MAKE ANY NECESSARY REPAIRS IMMEDIATELY.
MULCH 2, ALL EXPOSED AREAS SHALL BE STABILIZED BY ESTABLISHING PERENNIAL VEGTATIVE COVER WITH FENCE FABRIC THAT HAS COLLAPSED, TORN DECOMPOSED OR BECOME INEFFECTIVE SHALL BE REPLACED [cb� �Y
APPLY 4,000 Ib/acre STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING OR A MULCH ANCHORING. TOOL 4i20z.l SEED.A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. 3. SLOPE DRAINS SHALL BE INSTALLED ON BERMS OVER 30' HIGH. IMMEDIATELY. PROJECT w MAINTENANCE SEDIMENT DEPOSITS SHALL BE REMOVED. ANY DAMAGE TO THE SILT FENCE SHALL BE REPAIRED.
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING EROSION
OR OTHER DAMAGE 4. SILT FENCE TRAPS:
INSPECT THE BARRIER AFTER EACH RAIN, REMOVE SEDIMENT WHEN HALF FULL TO PROVIDE
ADEQUATE STORAGE VOLUME FOR SUBSEQUENT RAINS.
TEMPORARY SLOPE DRAIN FOR BERMS TEMPORARY SEEDING SCHEDULE OVERBURDEN STOCK PILE AREA AND VISUAL BARRIER BERM DETAILS UPON STABILIZATION OF DRAINAGE AREA, REMOVE ALL MATERIALS AND ANY UNSTABLE SOIL, EITHER SALVAGE OR Ix
DISPOSE OF PROPERLY. BRING DISTURBED AREA 70 PROPER GRADE, THEN SMOOTH AND COMPACT IT. STABILIZE <
PERMANENT SEEDING SCHEDULE FOR REMAINING SITE
ALL BARE AREAS AROUND THE TRAPS AND INLETS.
�.
2 MNy 5. BASIN, PR AND TRAP INLET AREAS: 4 �.
COMPACTED I I PERMANENT SEEDING SCHEDULE CHECK INLET AREAS FOR EXCESSIVE EROSION OR BLOWSY USE MATTING, s $
TARP OR STONE TO STABILIZE PROBLEM AREA AND RETURN TO ORIGINAL DIMENSIONS. z
SHOULDERS, SIDE DITCHES SLOPES (MAX. 3:1) am
6. SEDIMENT PITS AND TRAPS: z Z
1p DATE: a STEEP CUT OR _ - -- - - "- - ,/ TYPE: PLANTING RATE: SEDIMENT SHALL BE REMOVED FROM THE STRUCTURE AND THE STRUCTURE SHALL BE RESTORED TO 17S ORIGINAL
FILL SLOPE DIMENSIONS WHEN 1.0' OF SEDIMENT HAS ACCUMULATED IN THE STRUCTURE. U
Uj
AUG. 15-NOV. 1 TALL FESCUE 300 LBS./ACRE �m
E NOV. 1-MARA TALL FESCUE 30O LBS./ACRE THE SEDIMENT SHALL BE REMOVED WITH TRACK HOE FROM TOP OF EMBANKMENT. 1" , f3
2: 1 SLOPE (MAX) k ABRUZZI RYE 25 LBS./ACRE S
MAR.1-APR.15 TALL FESCUE 300 LBS./ACRE DO NOT PLACE EQUIPMENT AT BOTTOM OF SLOPE AND 00 NOT ENCROACH UPON WETLAND OR BUFFER AREAS.
APR.15-JUN.30 HULLED COMMON BERMUDA 25 LBS./ACRE
JUL1-AUG,15 TALL FESCUE AND 120 LBS./ACRE DISPOSE OF THE MATERIAL OFF-SITE AND REPLACE ANY CONTAMINATED GRAVEL THAT WAS REMOVED. THE
"*BROWNTOP MILLET 35 LBS./ACRE STRUCTURE AND ANY BAFFLES SHALL BE INSPECTED FOR DAMAGE AND REPAIRED ACCORDINGLY.
CROSS SECTION
` ***OR SORGHUM-SUDAN HYBRIDS 30 LBS./ACRE
7. SEDIMENT BASINS: to>�
SLOPES (:T.Y 0 1. Ij '�' � Q 8!MAR.1-JUNE T SERICEA LESPEDEZA (SCARIFIED) 50 LBS./ACRE. SEDIMENT BASINS SHALL HAVE A CLEAN-OUT MARK APPROXIMATELY 2.0' BELOW THE BOTTOM OF THE RISER WEIR. ¢ i1
III1 (MAR.1-APR.15) ADD TALL FESCUE 120 LBS SEDIMENT SHALL BE REMOVED FROM THE BASIN AS DIRECTED ABOVE, w p
IN CHANNELS, ROLL OUT STRIPS OF NETTING UPSLOPE TOE POSITIVE GRADE i ./AOR€ CIO
PARALLEL TO THE DIRECTION OF FLOW AND (MAR.1-JUN.30) OR ADD HULLED COMMON BERMUDA GRASS 25 LBS./ACRE SEDIMENT BASINS SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL EVENT 0.5 OR GREATER, REPAIRS Q
SHALL BE MADE IMMEDIATELY.
W
AND OVER THE PROTECTIVE MULCH o JUN.I-SEP.t ...TALL FESCUE AND 120 LBS./ACRE
BROWNTOP MILLET 35 LBS./ACRE cc
Lu
2:1MAX.)
{ AND
+a INSPECT THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE. THE EMBANKMENT SHALL BE
SIDE SLOPES SEP 1-MAR1 OR SORGHUM-SUDAN HYBRIDS 30 LBS./ACRE INSPECTED FOR PIPING AND SETTLEMENT. ALL NECESSARY REPAIRS SHALL BE MADE IMMEDIATELY. ALL TRASH AND TA LESPEDEZA (UNHULLED-UNSCARIFIED) 70 LBS./ACRE Uj
TALL FESCUE 120 US./ACRE AND OTHER DEBRIS SHALL BE REMOVED FROM THE RISER AND POOL AREA.
(NOV.1-MAR.1) ADD ABRUZZI RYE 25 LBS./ACRE
SKIMMERS SHALL BE INSPECTED ONCE PER WEEK AND AFTER EACH RAINFALL. THEY SHALL 8E ABLE TO FLOAT AT ALL TIMES,
CONSULT CONSERVATION ENGINEER OR SOIL CONSERVATION SERVICE FOR ADDITIONAL AND SHALL REST ON THE WATER SURFACE IN ORDER TO DE-WATER THE BASIN FROM THE TOP OF THE WATER SURFACE. AT NOINFOR s
ABOVE CONCERNING
ARE THOSE RWHICH FOR
TCONDITIO S; OTHER THE
TIME SHALL A SKIMMER REST ON THE FLOOR OF THE BASIN, AND SHALL REST ON A CONCRETE BLOCK IN THE EVENT THAT THE
WATER LEVELS IN THE BASIN ARE DEPLETED. �
SEEDING RATE COMBINATIONS ARE POSSIBLE,
a 4�_<IaO1771 STEEP CUT OR FILL SLOPE ."'TEMPORARY - RESEED ACCORDING TO OPTIMUM SEASON FOR DESIRED PERMANENT 8. SKIMMER BASINS:
VEGETATION. DO NOT ALLOW TEMPORARY COVER TO GROW OVER 12" IN HEIGHT BEFORE BAFFLES SHALL BE INSPECTED ONCE A WEEK AND AFTER EACH RAINFALL REQUIRED REPAIRS SHALL BE MADE 2
JOIN STRIPS BY ANCHORING MOWING, OTHERWISE FESCUE MAY BE SHADED OUT. IMMEDIATELY, �
AND OVERLAPPING f LAN VIEW BE SURE TO MAINTAIN .ACCESS TO THE BAFFLES. ANY BAFFLES WITH COLLAPSED, TORN, DECOMPOSED OR ARE o
ANCHOR HEFTING IN NO LONGER EFFECTIVE SHALL BE REPLACED IMMEDIATELY, m
6" TRENCH
SEDIMENT DEPOSITS SHALL BE REMOVED WHEN THE BASIN IS 40% FULL. BAFFLES SHALL NOT BE DAMAGED,
AND ANY BAFFLES DAMAGED IN THE SEDIMENT REMOVAL PROCESS SHALL BE REPLACED IMMEDIATELY. IN NO
CASE SHALL THE SEDIMENT DEPTH EXCEED 40X OF THE DESIGN STORAGE DEPTH. rn
CONSTRUCTION SPECIFICATIONS: SEEDBED PR, PAR TIQN
( ' ' P 20 IT 0bM] 1. RIP THE ENTIRE AREA TO FOUR INCHES DEPTH 9. TEMPORARY DIVERSION DITCHES: c
A tik - - 1. REMOVE AND PROPERLY DM OSECON TR ALL TREES, BRUSH, STUMPS AND OTHER OBJE UIREME MATERIAL. 2, REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH AND TEMPORARY DIVERSION DITCHES SHALL BE INSPECTED ONCE A WEEK AND AFTER EVERY RAINFALL SEDIMENT IN a
2. ENSURE THAT THE MINIMUM CONSTRUCTED CROSS-SECTION MEETS ALL DESIGN REQUIREMENTS.
T 3. ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER AT ANY POINT THAN THE DESIGN ELEVATION PLUS UNIFORM. THE FLOW AREA SHALL BE REMOVED IMMEDIATELY AND ANY NECESSARY REPAIRS TO THE DIVERSION RIDGE SHALL V> ,
e sA THE SPECIFIED SETTLEMENT. 3. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL THREE INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF BE MADE. Z
- 0.13'[0.04M] 4. PROVIDE SUFFICIENT ROOM AROUND DIVERSIONS TO PERMIT MACHINE RE-GRADING AND CLEANOUT, AVAILABLE. 0 z
4. APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 4,000 LB/ ACRE GROUND AGRICULTURAL OUTLETS SHALL BE INSPECTED AND REPAIRS MADE IMMEDIATELY. �> `
C! o
i 5. VEGETATE THE RIDGE IMMEDIATELY AFTER CONSTRUCTION UNLESS IT WILL REMAIN IN PLACE LESS THAN A ---, O.ZT(Q.O6MJ E � A LIMESTONE AND 1,000 !B/ACRE 10-10-10 FERTILIZER. 44
'� • o " 30 WORKING DAYS. 5. CONTINUE TILLAGE UNTIL AWELL-PULVER#ZED, FIRM, REASONABLY UNIFORM SEEDBED IS PREPARED FOUR INCHES I w A
0ATf0.04Mi DEEP 10. SEEDING, FERTILIZING, AND MULCHING: SEEDED AREAS SHALL BE INSPECTED FOR FAILURE AND NECESSARY � �
d `T' REPAIRS AND RE-SEEDING SHALL BE MADE WITHIN THE SAME SEASON. a
NOTE: THE DIVERSION SWALES TO EACH BASIN SHALL HAVE A MINIMUM BASE WIDTH OF 20 FEET, ALL 6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK
¢ o W k DITCHES SHALL BE STABILIZED WITH CURLED WOOD MATTING. AFTER SEEDING. 11. OUTLET STABILIZATION APRONS (RIP-RAP ROCK APRONS): SCALE:
7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. APPLY 4,000 LS/ACRE GRAIN STRAW OR EQUIVALENT
--�- ® MAINTENANCE: COVER OF ANOTHER SUITABLE MULCH. ANCHOR STRAW BY APPLYING 0.02 TO 0.05 GAL/SQUARE YARD OF ASPHALT INSPECT RIP-RAP OUTLET STRUCTURES WEEKLY AND AFTER 0.5" RAINFALL ) ! DATE' � ,.e°� `_ ( ��
3.6 STAPLES PER SO,YD. BINDING MATERIAL TO ASSURE THAT THE TEMPORARY MULCH IS PROPERLY HELD IN PLACE. ALTERNATE ANCHORING (OR GREATER EVENTS. REPAIR ANY ._5-2
INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL. IMMEDIATELY REMOVE SEDIMENT METHODS ARE NETTING, ROVING OR BY CRIMPING WITH A MULCH ANCHORING TOOL. A DISK WITH BLADES SET EROSION AND REPLACE ANY DISLOGED STONES. I-
FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFULLY CHECK OUTLETS AND MAKE TIMELY NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL I SHEET NO,:
8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE PLANTING SEASON, IF 12. PERIMETER BERMS
STAPLE INSTALLATION FOR REPAIRS AS NEEDED. WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED, REMOVE THE RIDGE AND POSSIBLE. IF STAND SHOULD BE OVER 60% DAMAGED, REESTABLISH FOLLOWING ORIGINAL LIME, FERTILIZER AND
CURLED WOOD MATTING CHANNEL TO BLEND THE NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT. SEEDING RATES. INSPECT PERMANENT DIVERSIONS AFTER EVERY RAINFALL DURING THE CONSTRUCTION OPERATION AND FOR THE DURATION THE
9. REFERTILIZE IN THE SECOND YEAR UNLESS GROWTH IS FULLY ADEQUATE. MAY BE MOWED ONCE OR TWICE A YEAR, BERMS ARE IN SERVICE. IMMEDIATELY REMOVE ANY OBSTRUCTIONS FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE.
UNLESS OTHERWISE NOTED, ALL DITCHES SHALL BE LINED WITH CURLED WOOD MATTING. ALL MATTING BUT MOWING IS NOT NECESSARY. RESEED, FERTILIZE, AND MULCH DAMAGED AREAS IMMEDIATELY. CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED. MAINTAIN THE VEGETATION IN A VIGORK)US, HEALTHY CONDITION AT ALL
UNLESS OTHERWISE NOTED, ALL DITCHES SHALL BE LINED WITH CURLED WOOD MATTING, SHALL BE INSPECTED AFTER EVERY RAINFALL AND REPLACED IF DAMAGED, TIMES.
SINGLE SIDED. ALL DOUBLE-SIDED BLANKETS SHALL BE STAPLED IN THE SAME METHOD
AS CURLED WOOD MATTING.
13. TEMPORARY SLOPE DRAINS
INSPECT ALL SLOPE DRAINS AND SUPPORTING DIVERSION AFTER EVERY RAINFALL AND PROMPTLY MAKE NECESSARY REPAIRS,
WHEN THE PROTECTED AREA HAS BEEN PERMANENTLY STABILIZED, TEMPORARY MEASURES MAY BE REMOVED, MATERIALS DISPOSED
CURLED WOOD MATTING TEMPORARY DIVERSION DITCH PERMANENT SEEDING SCHEDULE OF PROPERLY AND ALL DISTURBED AREAS STABILIZED AS REQUIRED.
8 7 6 I -- 5 4 3 9 �1

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VARIABLE AS DIRECTED BY THE ENGINEER
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W = APRON WIDTH
3do ��A A La = LENGTH OF RIP RAP APRON OS#1 54" 32 37 30 B
FRONT VIEW do W d, = PIPE DIAMETER
OS#2 54" 32 37 30 B
STEEL POST OS#3 42" 26 30 24 B rh
WOVEN WIRE FABRIC PLAN VIEW °yJ
NOTE SILT FENCE GEOTEXTILE FABRIC
OS#4 54" 32 37 30 B z N
-USE SILT FENCE ONLY WHEN DRAINAGE AREA
Itd N 0) LC) c0 DOES NOT EXCEED 1/4 ACRE AND NEVER IN FILL SLOPE + FOR REPAIR OF SILT La NOTES: W Lil N
AREAS OF CONCENTRATED FLOW '^ N z ,�, FENCE FAILURES, USE �7 a � � 00 O
g „ 4;+•. No. 57 WASHED STONE. I 1. ALL OUTLET STABILIZATION APRONS INSTALLED ON THE SITE SHALL HAVE THE OVERLAYING SOIL
-END OF SILT FENCE NEEDS TO BE TURNED UPHILL. H s^.: FOR ANCHOR WHEN SILT = '� F, d) q
n ,•'Y' GRADE FENCE IS PROTECTING REMOVED FROM EACH OUTLET STABILIZATION SITE BEFORE INSTALLING THE RIP-RAP APRON. ANY �w J) N F
CATCH BASIN. FILL THAT MUST BE ADDED SHALL BE COMPACTED TO THE DENISTY OF THE SURROUNDING
6" MIN. COVER 'S UNDERLYING MATERIAL. INCREASING THE THICKNESS OF THE RIP-RAP APRON SHALL ONLY BE DONE P I- U
i OVER SKIRT + t AT THE DIRECTION OF THE ENGINEERS. U) Z 0�
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EXTEND WIRE B^ MIN. INTO TRENCH Z
AS
uj
'`� 2. THE APRON SHALL HAVE ZERO GRADE WITH NO OVERFILL AT THE END. THE TOP OF THE -.
AND ANCHOR SKIRT
DIRECTED BY ENGINEER
ER + DOWNSTREAM END SHALL BE LEVEL WITH THE RECEIVING AREAS. ^� Z
SECTION A-A W G)
Z XC
SIDE VIEW 3. THE APRON SHALL BE INSPECTED WEEKLY AND AFTER ALL RAIN EVENTS. DAMAGED OR ERODED
DOWNSTREAM SHALL BE REPAIRED AND ANY MISSING RIP-RAP SHALL BE REPLACED. Z � OS LL
FILTER FABRIC L) 0 IL
SHALL BE USED
w
STANDARD TEMPORARY SILT FENCE OUTLET STABILIZATION DETAIL
C
DESIGNED: SMM C
SILT FENCE EMERGENCY SPILLWAY CONSTRUCTED OVER DRAWN: SMM
4° MIN. WITH RI APPROVED: CRP UNDISTURBED GROUND AND ARMORED
/ WITH RIP RAP r- "' ""�' •� \
SEDIMENT TRAP
DISSIPATER PAD oY
RIP RAP
TOP Of SILT FENCE NOTES: \ � `
MUST BE AT LEAST 1 him
1. PROVIDE ALL CALCULATIONS FOR ORIFICE DESIGN. _
ABOVE THE TOP OF -' 2• PROVIDE ANTI-FLOTATION BLOCK CALCULATIONS. - ----'"
THE WASHED STONE _ 3. ALL SEDIMENT BASINS SHALL HAVE 2.5: 1 SIDE
SLOPES. SCREEN ACCESSIBLE THROUGH DOOR
STEEL FENCE POST 4. WEIRS FOR ALL SEDIMENT BASINS SHALL HAVE OUTLET PIPE VENTa ti 9, 2,va.(
E FRONT VIEW 3: 1 SIDE SLOPES.
WIRE FENCE 5. ALL DISCHARGING PIPES SHALL BE EQUIPPED WITH _ PROJECT
HARDWARE CLOTH BURY WIRE FENCE, EARTH DAM
FILTER FABRIC, FLARED-END SECTIONS.
AND HARDWARE
FILTER OF #57 (` CLOTH IN TRENCH PLAN VIEW z
STEEL FENCE POST WASHED STONEo� CMP TRASH RACK & ANTI-VORTEX DEVICE FLOAT
SET MAC IN APART FLEXIBLE JOINT ® Q
3' FILTER FABRIC MIN. 18° INTO SOLID (RADIATOR HOSE) z 1� _
PAINTED RED CLEANOVT MARK RISER
/ON GROUND GROUND LOCATED 40% UP RISER PIPE
FLOW „c aVo�B`d o40° ! SKIMMER ^'TOP OF DAM W F
�+- o 90 6 °�oOp° o // ( _ WATER LEVEL DURING STORM "� OUTLET END: CONNECTION a Q� 99
° �00°d o0ov oo f -I EMERGENCY SPILLWAY ELEVATION TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN SHOWN. ® 0
SEDIMENT STORAGE z 2
AREA MINIMUM SLOPES 2-1/2 : 1 W Q
BURY WIRE FENCE BURY 6" OF UPPER EDGE OF a 'III_ EARTH DAM Z 4 _ O 16-
B AND HARDWARE CLOTH FILTER FABRIC IN TRENCH I - 0 TI Q r
SECTION VIEW 3^ THICK CONCRETE BLOCK
-: : ._fT1 v t- z s
ad ® ' 0
ANTI-FLOTATION DEVICE - I I I (i�I I I_ DISSIPATER PAD RIP RAP Z ,- ® C
ANTI-SEEP COLLAR - - iY
NOTES: CROSS SECTION `Mp O,rn ET PlMF
1. REMOVE SEDIMENT WHEN HALF OF STONE OUTLET IS COVERED. O W O
2. REPLACE STONE AS NEEDED TO ENSURE DEWATERING. y
W
W
W
STANDARD SILT FENCE OUTLET SEDIMENT BASIN W/ RISER AND BARREL STANDARD SKIMMER DETAIL
9
1 a/ . 2 25% 1.
. .
.. NOTES: A -o
. . . . . . . . . . . . . . . . . .. j a
� 1. BAFFLE MATERIAL SHALL BE SECURED AT T1iE BOTTOM AND SIDES USING STAPLES OR BY TRENCHING AS FOR SILT FENCE A B C D E F G© o
2. MOST OF THE SEDIMENT WILL ACCUMULATE IN THE I ST BAY, SB# N
WHICH SHOULD BE READILY ACCESSIBLE FOR MAINTENANCE E TOP OF RISER INV. IN INV. OUT
lxt Ccll 2nd Cct1 t 3. 3 BAFFLES STIALL BE PROVIDED(USE TWO IF LESS THAN 20 FEET IN LENGTH), s
25%ut'hui" 25%of bav+i 5 SHALL BE PROVIDED FOR BAFFLES IN DRAINAGEAREAS GREATER THAN 10 ACRES. - F 1* 286.0 284.0 281.0 280.5 N/A N/A 80 LF i
surfacc Grua s°rfauc arch k
I liV'E ZONE O LE ZO, E 4. BAFFLE SHALL BE 700 G/M2 COIR EROSION BLANKET.
zv 1' S. TOPS OF BAFFLES SHALL BE 2INCHES LOWER THAN THE TOP OF THE BERMS 2 296.0 294.0 291.8 291.4 300.0 298.0 75 LF o
' I cm1 -'mnn �suumcuma 6. BAFFLES SHALL BE INSPECTED ONCE A WEEK AND AFTER EACH RAINFALL. .%
BAFFLES SHALL BE REPAIRED OR REPLACED AS NECESSARY 3 304.0 302.0 300.0 299.E 307.0 305.5 80 LF "
0
a
�� I.III-I SURFACE A
A DEPTH VOLUME WEIR RISER BARREL ANCHOR ANCHOR SKIMMER ORIFICE SUPPORT ROPE SUPPORT POST, -1 I D
PLAN VIEW TO WIRE R 24' INTO BOTTOM I I- SB# AREA FT. CF WIDTH
PREVENT SAGGING OR SIDE
( ) ( ) (IN.) SIZE SIZE DIMENSIONS SIZE (IN.) SIZE (IN.)
(S0. FT.) (FT.} (IN,
STAKE TO SUPPORT WIRE CROSS SECTION G ) SCALE:
(C.Y.
t-I FENCE AND FABRIC I DATE 05-28-2020
1 1 100,000 5 456,771 NSA 54 54 2 8'X8'X1O" 8 5.50
BURIED IN THE CH Y SHEET NO.:
6"X6"TRENCH, STEEL POST MIN. 2 36,000 4 125,890 110 54 54 1.5 7'x7'x1O" 8 4.0
BACKFILLED AND 2°
COMPACTED L� COIR MESH OR SIMILAR , STAPLED OR 3 22,000 4 52,495 70 48 42 1 6'x6'x9" 8 3.25
TRENCHED INTO BOTTOM AND SIDE
CROSS-SECTION OF A COIR PORUS BAFFLE IN A SEDIMENT BASIN.
SECTION VIEW AT OPENING * SB#1 SHALL HAVE TWO IDENTICAL RISERS, BARRELS, ANCHORS, SKIMMERS AND ORIFICES. 3
STANDARD BAFFLES DETAIL SEDIMENT BASIN W/ RISER AND BARREL SCHEDULE
I 8 7 6 5 � 4 3 2
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DESIGNED: SMM C
f I I ► DRAWN: SMM
APPROVED:. CRP
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4
y SEDIMENT BASIN 2 fl
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SCALE: 1 "=40`
SURFACE AREA: 36°000 S.F.13
N
1SUFACE ELEV.: 296.4 A S SPILLWAY ELEV.: 298.4'
TOP OF DAM: 300.0'
PROJECT
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LEGEND
SEDIMENT BASIN 1
DIVERSION SCALE m
SCALE: 1 "=40° SEDIMENT BASIN 3
Z J
A sr —sr —s: -- SILT FENCE SCALE: 1°°=40' � J
SURFACE AREA: 100,000 S.F.
SURFACE ELEV.: 286' MATTING SURFACE AREA: 22,000 S.F. a 4
SPILLWAY ELEV.: N/A SURFACE ELEV.: 304.0'
OP OF DAM: 290 � SILT FENCE OUTLET SPILLWAY ELEV.: 305.5'
SCALE:
TOP OF DAM: 307.0' DATE: 05-28-2020
OUTLET STABLIZATION (RIP RAP ROCK APRON) SHEET NO,:
- C COIR BAFFLES
Pam,
l` CMP RISER W/ TRASH RACK
I P1FEWITH FLARED END SEC1. 1�
L�
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