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SITE DATA TABLE
OWNER: PRIMO HOLDINGS LLC
3214 SUMMERFIELD DR
. MONROE, NC 28110-6001
PIN:226100495187 .
PARCEL ID: 00500016
DEED BOOK: 03922
PAGE #: 1385
TOTAL PARCEL AREA: 322.4 AC +I- .
EXISTING ZONING: NW -CI
EXISTING SPECIAL USE PERMIT AREA: 80 AG +I -
PROPOSED SPECIAL USE PERMIT AREA: 322 q AC -H1- (242,4 AC ADDITIONAL)
PROPOSED USE: MINING CLASS If (SAND & GRAVEL)
PARKING CALCULATIONS
REQUIRED:
INSTALLATION
.: I. REMOVE ALL
TREES,BRUSH
j
fG GROUN 7 Ili/j /%ll/ / I I .•ll
EX1$rfNG
GROUND
NOTE
1. SEE PLAN THIS SHEET FOR WIDTH
HEIGHT DETERMINED BY SIDE SLOPES,
2. WIDTH INDICATED ON PLAN IS BOTTOM
WIDTH.
3. SEED PER TEMPORARY/PERMANENT
SEEDING SCHEDULE PER DEMLR.
4, NATURAL VOLUNTEER VEGETATION
SHALL REMAIN.(TREES, GRASS, ETC.)
5. BERM ENDS SHALL BE 4:1 SLOPES LIKE
SIDE SLOPES.
6. BERM SHALL BE 6.0 FT MAX HEIGHT.
VE E"r TI . E ('T )
PROPERTYIPERMIT BOUNDARY (TYP)
322.4 AC +I -
PROPOSED
GENERAL NOTES:
.
1. EXISTING TOPO IS STATE LIDAR FROM BRUNSWICK COUNTY GIS DATA.
2. BOUNDARY SURVEY PER PLAT PREPARED BY BRUNSWICK SURVEYING INC., SUPPLY, NC
SEALED JULY 25, 1999 '
3. STREAM AND WETLAND LOCATIONS BASED ON USGS MAPPING AND PER PLAT PREPARED BY I
BRUNSWICK SURVEYING INC., SUPPLY, NC SEALED JULY 25, 1999.
4, AS PART OF THE NCDEQ MINE PERMIT THE OWNER IS REQUIRED TO BOND THE RECLAMATION OI"
THE AFFECTED AREA OF PROJECT BASED ON THE STATE MINING PROGRAM REQUIRED) AMOUNTS,
5. DUST SUPPRESSION ON ACCESS ROADS AND PLANT SITE SHALL MEET THE STANDARDS SET FORTH
IN THE NCDEQ MINE PERMIT,
6. A PROPOSED 100 FOOT WIDE MINIMUM UNDISTURBED BUFFER WITH AN ADDITIONAL 50 FT WIDE x
6.25 FT HIGH VEGETATED BERM FOR A TOTAL OF 150 FOOT MINIMUM BUFFER WILL BE MAINTAINED
BETWEEN THE EXCAVATION AND ANY ADJOINING PROPERTY BOUNDARY. I
AFFECTED AREA (TYP) { +++++++++ { t4( <0 7. PER SECTION 5.3 H (CLASS Il MINE) OF THE CITY pF NORTHWEST UDO ALL MINING OPERATIONS AND
++a+ + + +a++ + � .`.� �A �..� GORES ERUTIiERS
91.7 AC +I- +++ +i+a++ + G' PiN:z2s2co,sc5sa ! THE#R ASSOCIATED ACTIVITIES SHALL COMPLY WITH THE FOLLOWING STANDARDS WHEN
100' UNDISTURBED
VEGETATIVE BUFFER (TYP)
1 SPACE/PER EMPLOYEE X 6 EMPLOYEES: 6 SPACES NTS
PROPOSED: .
6 SPACES (INCLD H.C.) '
_ ADJOINING PARCELS
M
PROPOSED MINING AREAS
EXISTING PIT
63.3 AC
PIT EXPANSION
86.2 AC
ULTIMATE PIT
149.5 AC
PLANT SITE
5.5 AC
TAILINGS/SEDIMENT PONDS 2.5 AC
(INSIDE OF ULTIMATE PIT)
STOCKPILES
16,6 AC
(INSIDF OF ULTIMATE PIT)
OTHER MISC. AREA
22.7 AC
(BERMS, TEMP. DIVERSIONS, ETC.)
PREVIOUSLY PERMITTED
73A AC
AFFECTED AREA
-
TOTAL AFFECTED AREA
177.7 AC
VEGETATIVE AREA
144.7 AC
NATURAL AREA
TOTAL PERMIT AREA
322.4 AC
LEGEND
PROPERTY
PERMIT BOUNDARY
WETLAND
PROPOSED PIT
BUFFER
PLANT SITE
AFFECTED AREA
CREEK
BERM--
1
RANGEL 5iLVA
22
NORTHWEST
I 50' VEGETATIVE BERM (TYP)
ROUOLF0 -
LAND CO-NIPANY LLC
PIN:22611T2693900
PIN_226100286401
H=$.4'
_ ZONED: CO -RR
ZONED, CO -RR
SIDE SLOPES=3:1
BOTTOM WIDTH=50'
2
ORTIZDANIELCA.STILLO
23
NORTHWEST
'
ETUX
!
LAND COMPANY LLC
-
APARIC10 IRMA LEON
PIN: 226100205:561
-
PIN: 2261G'26910(U
ZONED', CC -RR
_
ZONED. CO -RR
24
K€NCAIDLINDACRIBB
I
3
NORTHWEST -
PIN:226100284190
.
LAND COMPANY LLC :
ZONED: CO -RR
-
PIN:226102599932 -
i
ZONED: f;O-RR
25
DELGADOORLANDO
,
.
PIN:226100274829
4
BECK LINDA H ETVIR
ZONED', CO -RR
BECK MICHAEL R
i
PIN:226'100506044
26
NEFF STEVEN
ZONED. CO -RR
PIN: 2226100273763
.
ZONED', CO -RR
5
ROMEROIRINEO
-
PIN: 226100409047
27
THOMPSON KEVIN ET
:1 QN
ZONED. CO -RR
THOMPSON KANIECEUVIJA
PIN:226100273518
\• 2
6
NORT.HVVEST
ZONED: CO -RR
LAND COMPANY LLC
PIN: 2213"00508464
28
SILVA EUSTACIO RANGEL
;
ZONED: CO -RR
PIN:226100272477
1
ZONED co RR
' LAYDOWN YARD--`
7
JACOBS EL01SE
PIN: 2261U0249$81
29
ANGEL BAZANJOSUEAND
1 EXISTING `
ZONED: CD -RR
ROMERO ANGEL B
Plrr. z261oa27232!
PLANT SITE""I'
S
FALS0111NCENT ETUX
ZONED, CC -RR
t
FALSO 611_DA
{, 55.55 AC +/-
-
PIN: 226102663083
30
DELGADO LEAN DRO ET
ZONED: 90-RR
❑ELGADO MIRIArf A
SITE ENTRANCE----
.
PIN:226100271281
9
FALSO VIt?CENT ETUX
ZONED: CO -Rif
WIGATE
EALSO G'ILDA
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11'1" , f '".
/ CCUPfED RESIDE•
a60 FT+; FROM PIT
b'ALIA'eXi1'Homo xs E IR
,WI WAMa TH°M ,b2 E-Ij( PIN: 2252UO3E7201
r FIN 22fi26C3'LuG95 -..° ZUjJEfr. C,iRR
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CCUPiEP RESIDENCE
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TOTAL AFFECTED AREA (TYP)
177.7 AC +I-
/f
/
/
/'
/
f +a+ + r + :..zQO zoNED:co-RR DEWATERINGOGCURS:
y+aa r {#++++
V J '"O I. MUST BE LOCATED A MINIMUM OF 100 FEET FROM ALL PROPERTY LINES.
# + 4 +
♦ r + + +
MEYM.IC INC ,*+ #+}+++}++ r' / II. THE DEPTH OF EACH EXCAVATION PIT SHALL NOT EXCEED 35 FEET,
PIN. z2s2oLiaasss + + + + + COMf�IENTARY: THE PUMPING OF SURFACE WATERS FROM ONE EXCAVATION PIT TO ANOTHER
ZONED.CO-RH ++ + + +
++` ++` + EXCAVATION PIT WHEN LOCATED ON THE SAME PARCEL OF LAND A5 THE MINING OPERATION SHALL
11 ,++` ++++++ 0' VE�aETATIVE`BERM (TYP) `� NOT BE CONSIDERED DEWATERING. .
+ff +++ +{+++++++++ H=8.4' l 8. THE SUBJECT PARCEL HAS BEEN UNDER A STATE MINE PERMIT SINCE APRIL 13, 2009 - .
i {+++ ++++++ + SIDE SLOPES=3'1. NCDEQ PERMIT # 10-82.
*+++ +'+++++.+ OTTOM WIDTH=5W,, 9. ALL STATE MINE PERMITS ARE LIFE OF MINE PERMITS THAT REQUIRE AN ANNUAL FEE TO THE NCDEQ
1!
, , , + +++'. ++'+ "", \` / ❑EMLR. ANY MODIFICATIONS TO THE PERMIT ARE REQUIRED TO BE APPROVED BY NCDEQ DEMLR AS
++++ }} a+a * ` t 100` MIN UNDISTURBED A PERMIT MODIFICATION. .
}++
`1 I//+:*
+++ + + + + + `` . VEGETATIVE BUFFER (TYP) .
+ a + +
+ + r \
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+ r + CORP._TT PACK&,GE COMPANY - . .
+++++r + CCOPIEDRES?DENCE PIN:22e2D'3036c
+++}++ o y,,195 FT +/- FROM PIT ZCfvED: CC)FIR.
11 I + ++++a++ CCUPIEDRESIDENCE - .I
+.,+ +++ �, 284 FT +/- FROM PI T - -
+ r CCUPIED RESIDENCE
11,
++++ ++ r �; ;^>�'-.,..354 FT +/- FROM P!T - .
++++ + , 4r'3 oho , CCUPIED RESIDENCE
+ + Q - or,°,,o f60F7+/-FROM PIT
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f� ( + * I +++ CI11 . 624 FT +/- FROM Pr r - _
V t + + EXPANSION +*.*}*{ . , s/ r CCUPfED RESIDENCE
s + + . + - 719 FF+/ FROMP?T -Ti +'+ AREA #4 + f+++ ' Q Q
+ + + CCUPfED RESIDENCE
1 +++ 59.9 AC +1- + 7 - 0 ,
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{+ SssFT+i FROM d BLUE LINE STREAM P
+ ;lam f Of f BL QUAD
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2c64-079 . 31 REYES.�ALVAN RENE + + +
+ + - 7 #22F-T..lFRDMPIT
PIN 2261L1 i ./ / /. / / ./ / ,' / / / / / +a+ + + \ o o v m '= - - _ 11 o Q i ,
ZONED. O-RR - FIN. 2261002r 1151 /O/ / / / f / r / ✓ / + + ... .. + r i tc' 4 -{ t ° o : ,j - t z L z z c v ..
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ZONED', GO RR : /' / r / - / / / / + \.' -. \.,., �' <, ! v. o m ro' . v- ,- a `". a s n o v . 7 ti o iU 7Y
PARTNERS r , +fi ..ti{.� o"„ter �`�'%'r�i 0'y'" f oq"� .�.� -; 588FT</-TRUMAIf 572FT+/-FRO:NiPfT y.._.,,''`�,:.:,N_�t.�tx'�p9o92�
10 PA A H K I-ARTNERS LLC / .."'
r /, / / / / ++r °.++ n `o� s x c>'v 7 _, z E o < �, o .a. `v .� .�.__�_ _.. _,.,...,..., r-_...._- -. __ -.r... -_ C�LUP?ED RESIDENCE r� °Osv+s,,z2yao _ Ft ,,
PIN 226iC2565210 32 LACKEY RORY S ETUX HAUL ROAD TYP , , ' / ,' + + : 4 n "; �x,; z z \
( / r + t \ \ ++++ ',6N?� ��� �`r ' t cr��sr •nNnr, / Nv.i 5Tf'FT_},'-FROMPII �N- -.- er95, 2O O�° LLBREND,rrrER '/
ZONED: CO -RR LACKEY YONG OK ' ....-- / ,/ / / r / - _ ., . , P _ _
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7 // / ' l / ++++ .. .. - +{ + ✓ '` i A m r- I .L n r. '�'r n r-. . -,; i z.v ° I n ➢ ""'c- -ro f �`' _ _ t:JNr. 13: GO P. --'�, .,.,,
PIN: _26100271010 ,� n , �' n ti v S , „ r, o' � 7 ' F F N \
50 iEGETATIVE BERM (TYP PARKIN /',' / /' / \ ..\ -, ,,, m� : � �z ` o�;+A' -,� ;� �,ny o o"-, ,. y `g/� \
11 NOBLES FFRNIE L ETALS ZONED'. GO -RR - , / ,/ r ✓ / -\ --. ,v `cwmi: + m 2:`2 $ " /
H=8.4` W/ H.C. / / / I -- . r �.__. fi ._ -f 1 3 r, n, s f C o _,, ° I A � , yF' 1 p st, '/i'
NOBLES MELODY R / / r -'� "''\ Y; i ! z z : O. �r /:.' .! � .✓
i, / / /' r /+ ++ '�� �� \ aI-,n 2 1 I nN_ can U`'Ps0 �!. v
FlN:226�C0509827 33 BDSWELL13RENDATYNER SIDE SLOPES--3:1 (G SPACES} ", r /' / / , � - *+ j 11 ., r �� l;; 1; o"z� o � � y ,, �/ ,, .✓ r >`a G
f ,/ / , / / sea+ -/ - - ._, f ? rn a 'A `s- yF -
ZONEDi CO -RR PEN: 226200701130 ✓ s , , � �+'= _ . "n ! 'j . ,� 1 _ '! P s ,p :. C PIED !/D N L. � l 0
zeNED: cD-RR BOTTOM WIDTH=50' SCALE HOUS / , ++++ /.' ✓ / � �v ,, rI �Fr� � �
/ f/,/ / �/ / , + + } a ./�✓ �, 1 590FT+'l ROM P� > ,,: .
12 L:-".NDAVL=ROE FERNANDU A ETt1X , ,, , + + a } .,,/w ., C.
OFFIC /
LANDAVRDE NDHEMI A .: 34 OZORIA PURA BALLE '1 /r `� , // / / +++ . ': .. + + { + .(
+ + _. ,,./ V, .- ++}r}+++ + SECRE.TARY OF HOUSING` `. ��
PIN:2262 0506922 PIN.226102606815 --- \ q T - ,
ZONED' CO -RR ZONED: GO -RR + + } + + + _- -- _ M1 O
;. / {+++ + + +++ /' / . f / ` / ♦ + //f �> ' + { + ..;P.,�...� �- 1'.' 'r' F, N: e.261t:2793"31
// / , +.` t + p /}{J R ,% �_ �_ ZCNEU: CO -RR
13 ,;ONES>`ATRINATAMIKO 35 COOKTHOMASLEEEIUX i.I ++ ++ / //// / r� �: ++a+++ " WETLANDS JYP) �``-�-.. , •l '✓ '' \ \ .
PIN: 226C051602.2 GODK'vIELISSA CANTER + / _ �F y \ \ .
+++ +++++ ++++++++++` + ,, PER BRUNSWICK SURVEYING INC., SUPPLY, NG� �/� '`
ZONED', CO -RR PIN: 226102667709 � �� ++ ' - w _ ++' /' SEALED JULY 25, 1959 � .-, Y '1: I, ,,
zoNED: co RR +++ / % ��� 0' STREAM BUFFER (TYP) \ y
14 ❑E LA CWZ - ,v - + .-. � + + -
h4EJIAAL JANGRO 36 MiTCHELLC,ALVINJR +++ / e ++- +++
/ FROM BANK OF CREEK DRE E , �; s'
PIN:226100299465 hdETCriELLL,OLLEEN +++ +++ _ EXPANSION + `` GCUF'IEDRES+DcNC_ f '
/ SLUE LINE STREAM (TYP) (55�Fr FRo;vlfii 'c
PIN:226102665828 _ i` f ++++ : / ./ / ++/ --- +++ AREA #2 +++ 1�1 - _ - __ . t
ZONED, CO -RR OCCL'P1LD RESIDENCE-� + / / .�- +++ - 1-, \ - - .
zbtiFD: ca-RR' + + ;' + + + + PER USGS QUAD MAP .
�1 258 FT +/- FRO:M PlT { + + /, j ++++++ .5J. �7 Ali +I-.,_,.,%'' / i 4 r' - \ ; ' I
15 DE LA Cl:Vz +� +'+ + + *++0` UNDISTIJRBEO BUFFER (TYP) l .. % \ r'
MEJIA SALOMON i, , 37 FALSO VINCENT ETUX t-``'M11'I 17 / � - y� ' �+'++ FROM WETLANDS . - � 1 �'P '�.\
P1N:226190299334 FALSO . - ' / ' 4 + * PROP�SE:D. \ y y I .. °y"&`1 , '> ,
OCCUPIED RESIDENCE / a + + r r _ v f r,,F
D- Pw: 2261oz6649a7 -- ''' / / + + AFFECTED AREA (TYP) ._" �:""*>, + °®, w'r! ��,�, �- v/�
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CO-RR - - f1 ! ��]///'J), // �/y ++i._ +++a + - -e + ++++++ :. O_c y,4ti�, O >, _ ` / '� �
16 NCR'THVV 5T 1 ):"5 / / / /, / \` /++ ® / F \
U +++ G.9 AC
LAND CoJ APANY LLC 38 SUPPLY GROUP INC. _ * ' , + + :,,a`-� ° s�'c
+ I I G _ //y' + + / -.' �. v /, � CCUPfED'2'L' NCE�
PIN:226102673190 1 "> re -'tr ... d +++ /'' � +++ / ✓ +'+� �✓ - 1. - P 1011 FT+,!;FROM PIT
PIN:221CO298164 td. CNL / C S�D,f1'Vlt - A ,! + �--' '� .'� '�.
ZONED, f:a-RR ZONED: CO -RR plN.2'Ac4�Oj L j % ''' j/ / / /.r/ ' / / + / , i 1.++ �.W \.1 5'Lt�n �,, I' 1,.a _'.�.
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17 PEARCE DANNY L 39 'BILLINGS ROBERT ETUX 263 FT+/ -FROM PIT r -... CU-RR +++ ,.• ;' / / % f✓'' ° ,' '' I `ZUhF 1b2%sr, / E
0298023 BILLINGS LYNDAL / + - - -
/ ! + + o:a 6gc CCUPIEDRES?FJENL
` , 1 G4FT+/ FR01GIP1T ,-
PIN :22619 _ ; `� .� +++ �/ • � ' ' / .� ,;r f' ,% � =� / � X1 .P IN d / EXCAVAT D / °.RR
ZONED, CO -RR PIN: 226102674202 OCCUPIED RESIDENCE �� / / ✓ / '�.
256FT}/FRorrPIT ' ' ++ 4/1/ / / ' ' ' F'MP Y DV2S Y)? / AREA5UMP „ - -"-.-,- \1
- ZONED: CO -RR .- ; 1a + / . .' � ; ",✓ �:•�
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0 18 / r / , / / r' / / �� ++� ✓ 1, v I�i NANLr !tOU CTRCT 4 GCUf?SLD Rf-30D GE ��\
€2261CO207852 40 IiENRYFLOYD /i ✓ �'° RE S P / i %
FN. , ✓ SEsusPTceM+.- 1055FT+-FRO:MP?,Y''
- DE R$E /'% i �/ /" N 2?61ozr51c�
ZUNED: CC -RR PIN. 226102674sOw 100` UN STU ,/ �
/ / /" / / �� y F - °.
ZONED: GO -RR 7 / / J / J i / ' i r v v zoNC[-- c° RR
VEGETATIVE BUFFER TYF?" ,/ I E /' � 1
/ N r ccuP1ED srDENCE
+
10 LOPEZ f ALOMON DELA CRUZ E-F f l`-.- ++ / '_' (..' . / / I. ; r //1 /'' /.' / �, w .. __ ... ` 1053 PT - -
LANDA MEJA 41 FALSO VUJCENT ETUX + + .-::.- '. EMPQRARY / .�`'' /` / / L fi rP i 3" / w SAU SS L5'S -h(E J E1 JK_.ry +/ FRQM P1T
HERNANLEZYO vU; , a ✓ // , r R ASUMP / / /' `' r I / L6!0274cL s
- C C r L,1 7). +++ .< ,. J - / ' �/ ' ✓' / //J1y '', 1 -lt +++ 1'v ,/ / ✓ / ✓ PIN: 2eo i627a'rg2 i' / .
P[N:226190287T12 FALSO CCCUPfEpRE..rBLN.,E- Nr�c. IwES- { r '.'''. STQGKPILEAREA''7" �` / . // I
PIN: 226102674429 25I FT +!- FROM M Y , ' ''!N-z. c:1;PgN, , + * + ' ' ' ZONED. CU R
ZUNEU', CO -RR ! ; 1 ,' + / �M' � w r
EXIS LNG Pl��.� ,
+ cc„ + / / '/ ' ✓ +++ ( -___ �...�._ _._. C�urarEDaEsrDE`nIGE I ,r
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cU- , ,/, . �/ � ' / d' CAVATED� •' , 1 U64 FT +!- FROM PIT•
ARELLAfJO NOEL GOMEZ OCCliPlED RESIOEN.,E R'3 +++ , ' i ✓ / 63 3 A I !'' /' J , '" '? v _ _ sE Or �'�76za12 -
20 i Xj Tp rCI?IL + - Ir / +
+ + / �' AR A }++ PIN: z�s z 4
P€N:226190266672 42 SPENCER OARRYLCIl 250FT+/-FfiUMf??T + �✓ ', -�' ,' / I 'IN d NEu. GO:. -
R PIN 2261C2653303 ; - a r .y. - - .. / ; ,' / r / / ' / ''-� + r+++++ F. :'. '�.
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/ / SIDE SLOPES=3:1
• � EXCAVATED /i � / � 1 FIN.2>6M1^27a25A2 .r.-----oCGUP1EDRF5rDENCF
f ' /� ;'' �' ® - zoNEU: GO RR I F 1204 FT+A FROM PIT I.:: / `>
�. ARE SUMP PIT /, BOTTOM WIDTH=50' " lJ -- . f
STREET' YARD (BLUE BANKS LOOP ROAD): GCCUPrLD PESfD�NCE ;% _� +++ � � / ' � r - I
+ y .. .. / / / i / / / W� FO'NERS BRb,N C ETUX /.
249Pr ! FRGMPIT. EXPANSION '' ' .
w �' ,/ � -1''� � /� � '� � � / - EXP 1 - / P4JVEF2S Cr',THYL � -
++ .'tires - /' / >' ! ,/ -
20' WIDE - 1 CANOPY TREE OR 2 UNDERSTORY TREES PER 1U0 L.F. FRONTAGEll�_ -
REQUIREMENT: +++ y/ �/ /'' o / I /i/+++ / \ AREA#I ��ROPOSED E.;- z°NED.coRR 1.!:..,. _..�: .
11
`. .. % ;' I + �, vCCUPIED RESIDENCE
w AFFECTED AREA TYP
GCCUPIED RES?UENCE a1 ++ - /.. , ,, / / /+ C +I- ( ) ..--'GAftC1:VJunN [,AEPi\fi Flux 1 I _ -
ATION FOR 242FT+/-FRGMPIr + + / i ; + 4.2 A RC .
PROVIDED: 20' WIDE - 2 CANOPY TREES (179 LF OF FRONTAGE) - EXISTING VEGET . , ! /; i ,�,�: s�RCI„KIn19ERLY I t22-
. +' / / / /, "' PIN:2ze19273zaa2 �PiT
REMAINDER OF FRONTAGE i J l 5 7 AC +! '--- Fn
1"]
PLANT' LIST
KEY
BOTANICAL NAME
COMMON NAME
QTY
PLANTING SIZE
QN
_ QUERCUS NIGRA
WATER OAK
2
2" CAL. 110-15' HT.
�},; //'
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4 - "Q»�
,
3� \o-;<.
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r/1z 4
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,,. , /
3`-_ . c�� '
7 �1000 PT PERrMIT 42 <p �� /��
NOTICE BUFFER \ ;4,/:�,
-% -
/ ,..
-_
- it 1 / 1 I
ADJOINERS 'SOUTH'
G
/ mr�re r.
OCCUPIED RESIDENCE / - r:I,'R' „ ET
r 1 .�+' +
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' i + ,� / - y' + + +++ + a + + + + �.� ,y PL'J: 2261C'27823C7 __ -
+ �, / /'' + + + + + a CCOPIED RESfDF+VCE
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I w " �5
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�- XISTING LAYDQWN YARD (TYP}
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_ CHAIN LINK
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� ✓ Tp GaT� 4 (NO BARB WIRE ALLOWED +
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;.
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.g'T PER 4 + +
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w -� a . v ✓ w w v r' y ✓ w ✓ v BLUE BANKS LOOP ROAD WHEEL STOP (TYP) I
s / PER SEC. 6.12.5 I +
p%` w .-' . 11 y 11 y / `NST MILL BRANCH (TYP) 30' WIDE ACCESS ROAD (TYP)
{ `� 7W y �? w SCALE HOUSE
�, w �\ w v w `; w' ," 500 SF �
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1
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a 1 I .. ,I �J ' • � "!! � �-- �1- REQUIRED: HANDICAP SPACE (TYP) 11
N 4 1 SPACE1300 SF OFFICE CQNGRETE SURFACE
` X 1000 SF = 4 SPACES 6 PARKING SPACES - 9'X18' MIN
I I WETLANDS (TYP
I PER BRUNSWICK SURVEYING INC., SUPPLY, NC
SEALED JULY 25, 1999
.E PRIMO KA.DINGS U.C,
BALLARD FRANK E SR I SPENCER 01%ENT i BLUE LINE STREAM (TYP PIN: 2251025C32i7
PIN: 22C3C93ir1oC'7 PiN', 22510C3C3732 PROPERTY BOUNDARY ZONED: CO RR
ZCNEU: NW RR ZONED.- NW -RR
PER SEC. 6.12.5
PROPOSED: INTERNAL HAUL ROADS (TYP) 1' OFFICE
6 SPACES 500 SF
INSET "A„
TYPICAL SITE ENTRANCE & SCALE HOUSEIOFrICE W/PARKING
SCALE: 1 "=100'
I'm

250 0 250 500 750
Scale: 1" = 250'
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IN
CONSTRUCTION SEQUENCE MINING ACTIVITY
PHASE 1
" LITY SECTION 910 796-7215.
1, PRIOR TO COMMENCEMENT OF CONSTRUCTION ACTIVITIES CONTACT NCDEQ LAND QUA ( )
PLAN, i PER PLA
2, INSTALL SILT FENCE BELOW ALL DISTURBED AREAS WITH SILT FENCE OUTLETS
3" COMPLETE EXCAVATION OF EXISTING PIT. BEGIN RECLAMATION OF PIT SLOPES A5 MATERIAL IS REMOVED FROM EAST TO WEST.
4. INSTALL PERMANENT BERMS AROUND PIT EXPANSION AREA.
5. ONCE BERMS ARE COMPLETE AROUND PIT AND ARE STABILIZED AND SEEDED. MAINTAIN SILT FENCE UNTIL THIS ACHIEVED. REMOVE
TEMPORARY DIVERSIONS AND TEMPORARY SKIMMER BASINS ONCE POSITIVE DRAINAGE IS ACHIEVED TO THE PIT. MAINTAIN ALL
DOWNSTREAM DIVERSIONS AND SILT FENCE UNTIL GOOD GROUND COVER IS ESTABLISHED. IS. EXCAVATE EXPANSION AREA 41.
7. INSTALL SKIMMER BASIN #6. STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY CLEAR AS NECESSARY TO INSTALL BASINS. MAINTAIN
SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL GOOD GROUND COVER IS ESTABLISHED.
8. INSTALL TEMPORARY DIVERSIONS 910 & 11" STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY CLEAR AS NECESSARY TO INSTALL
DIVERSIONS. MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL TEMPORARY/PERMANENT LINING, AND GOOD
GROUND COVER ON FILL SLOPES IS ESTABLISHED.
" r ,
r
/
r
r
z -
,
/
J
\
`:QUTLET"J'Rf)�VN
l
STONEfd 'CLASSfa'R1F'/,RAP`, / +
Q
PROPOSED BASIN TABLE
i.
I
BASIN ID TOP WEIR
BOTTOM
POOL
TOP
WEIR BOTTOM
VOLUME
VOLUME
WEIR WEIR
WIER
RISER
BARREL
RISEII
SKIMMER SKIMMER
BAFFLES
DIM DIM
DIM
DEPTH
EL:
EL.
EL.
EL.
E
REQUIRED
REQUIRED
PROPOSED
LENGTH DEPTH
LINING
SIZE
SIZE
BASE
ORIFICE
SIZE
SB#1 18DIM 177X3S4
147x324
5
4$..
41.0
275715 CIF
NO OUTLET NO DISCHARGE
SKB#2 84x156 72X144
54x126
3
48.0
46.0
43.0
17640 CIF
25758 CIF
10.0 2.0
CLASS A
NA
NA
NA
4"
1.8"
i 3
SKB#3 75x138 63X126
45x10$
3
47.0
45.0
42,0
13320 CIF19197
CIF1D,0
2.0
CLASS A
NA
NA
NA
4"
1.6"
3
SKB#4 84x156 72X144
54x126
3
56.0
54.0
51.0
17280 CIF
2575$ CIF
10,0 2.0
CLASS A
NA
NA
NA
4"
1.8"
� 3
SKB#5 85x158 73X146
Si
3
56.0
54.0
51.0
18000 CIF
26547 CIF
15.0 2.0
CLASS A
NA
NA
NA
4"
1.9"
3
SKB#E 76x140 64X128
46x110
3
42.0
40.0
37.0
13860 CIF
19878 CIF
10.0 2.0
CLASS A
NA
NA
NA
4"
1.6.1
3
SB - SEDIMENT BASIN
SKD - 3K1MIiAE'R BASIN
STABILIZE AND SEED ALL
SLOPES IMMEDIATELY
" EMERGENCY SPILLWAY TO BE CONSTRUCTED
IN CUT ONLY
'
PROPOSED DIVERSION TABLE
9. INSTALL PERMANENT BERMS AROUND PIT EXPANSION AREA. � � -
+
10. ONCE BERMS ARE COMPLETE AROUND PIT AND ARE STABILIZED AND SEEDED- MAINTAIN SILT FENCE UNTIL THIS ACHIEVED. REMOVE `--- rl. f' +` MER"GENCY ` '�, ��
TEMPORARY DIVERSIONS AND TEMPORARY SKIMMER BASINS ONCE POSITIVE DRAINAGE IS ACHIEVED TO THE PIT. MAINTAIN ALL ' 'w / i i«*� P) ' °+*+ !NG -
- ��., SPILLWAY (TY ++++ \ \.g 0 % L© E SLOP CHANNEL
0 FT STRAW WIRNETT IN PERMANENT
j \ CHANNEL ID CHANNEL -SLOPE PE -SIDE ES CH DEPTH G LINING DEPTH
DOWNSTREAM DIVERSIONS AND SILT FENCE UNTIL GOOD GROUND COVER IS ESTABLISHED. ..,.- "` '' \ / / :•++ BAFFLE (TYP,) +*++ � ; "0 °/ _
TD#1 3
� l' / } -� "- � f �} } € E',. TD#2 1 ° 3'1 2 0 FT NAG P300 VEG BERMUDAGRASS I
r l ++ l � .� + ++a+ + E'° TD#3 3.0 % 3:1 2.0 FT NAG P300 VEG BERMUDAGRASS
11. EXCAVATE EXPANSION AREA #2. i //+ � j 14B'�S'4 TYP) . ` �.. I � ` + + + a !` l �\ r.
12. REMOVE STOCKPILE MATERIAL IN STOCKPILE AREAS #1 $r #2 EXCAVATE MATERIAL IN THOSE AREAS. \ _._, *,« j� � �• � � : 'r'+++++* �\ TD#4 1.O % 3:1 2.0 FT STRAW W! NETTING BERMUDAGRASS -
13. INSTALL SILT FENCE PER PLAN BELOW ALL PERMANENT/TEMPORARY DIVERSIONS AND BASINITRAPS WI SILT FENCE OUTLETS IN LOW \ r ! +*. ' r `. '� r r TD#5 1.0 % 3A 2.0 FT STRAW 0 NETTING BERMUDAGRASS
,.", � ,• , + '' ,� �� \,v �++*+*+*+ � E� � �� � '' TD#6 3A % 3:1 2.0 FT STRAW Wl NETTING BERMUDAGRASS -
AREAS PER PLAN. � r +,1/ ^W +
14. INSTALL SEDIMENTISKIMMER BASINS #1 8� 2. STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY CLEAR AS NECESSARY TO INSTALL '" +++ < � � � k C� «+'+ + + '�. TD#7 1.0 % 3:1 2.0 FT STRAW Wl NETTING BERMUDAGRASS
...-- : / � �� dl+ + TD#S 1.D /° 3:1 2-0 FT STRAW Wl NETTING BERMUDAGRASS
BASINS. MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL GOOD GROUND COVER IS ESTABLISHED. * �-- ' � � s i `' '1 `' � _-'"- � + * * + � \ -
15. INSTALL TEMPORARY DIVERSIONS #1,2,3 &4. STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY CLEAR AS NECESSARY TO INSTALL "r r J / +++" ! ) '' + «++* ' l j TD#9 1.6 °/u 3:1 2.0 FT STRAW WI NETTING BERMUDAGRASS
/ /�� i TD#10 1.5 % 3:1 2.D FT STRAW Wf NETTING BERMUDAGRASS
DIVERSIONS. MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL TEMPORARY/PERMANENT LINING, AND GOOD /,-�`JJ"� ✓ ;:, +'+ TD #7 �"" �' ? ' � �� _ r « + +; -
- � + a , � � � * +r + TD#11 0 5 °1° 3"1 2 f1 FT STRAW UJ/ NETTING BERMUDAGRASS
r
GROUND COVER ON FILL SLOPES IS ESTABLISHED. j ,, .... ! + r / r I l � I ``: `� ;y , ��+ +�€*« ' TD#12 1.5 % 3:1 2.(} FT STRAW WI NETTING BERMUDAGRASS -
16. USE AREA #3 FOR STOCKPILES WHEN COMPLETING EXISTING PIT. CLEAR ONLY AS NECESSARY FOR STOCKPILE AREA AND BASINS. 'r � f �'��� f ? - `� '- '"" �"` �` f
17. INSTALL SKIMMER BASINS #5. STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY CLEAR AS NECESSARY TO INSTALL BASINS. l /' }*+*+ � �/1'��1, r j�° '. 14' � /''� '�, ''. �'� � ;+� j'" f f INSTALL CHECK DAMS IN CHANNELS WITH STRAW W! NETTING
MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL GOOD GROUND COVER IS ESTABLISHED. r 1'/ r f� +*. %!f, ✓ ,
' ;++ ` ,✓` i i(3)iB€1FFLE�3 (TYP'r` r' f ,I � ,..J ,• J! },'} _-.. --- f,
18. INSTALL TEMPORARY DIVERSIONS #8 & 9. STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY CLEAR AS NECESSARY TO INSTALL �
DIVERSIONS: MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL TEMPORARY/PERMANENT LINING, AND GOOD ! ,' ! ,+, \ \ � \ � � / f r \ f ' i / i� � t � ' + � � -_.... J , 3., .., ):B #3 (TYP) �
,
GROUND COVER ON FILL SLOPES IS ESTABLISHED. ' E � +++ � ?' �IT \. � ` } 7 ,,/ ( - TD,� *+fd+ + / J! '` %/ I' ;
19. INSTALL PERMANENT BERMS AROUND PIT EXPANSION AREA. Q" +'+ ? EXPANSION \ `' � � } � ` f !-'-'-�
F MAINTAIN SILT FENCE UNTIL THIS ACHIEVED. REMOVE `�++� ; �, t ,, 4 � t ! / (31 HArrFL1:S':�3;�P
20. ONCE BERMS ARE COMPLETE AROUND PIT AND ARE STABILIZED AND SEEDED. MAI TA O, F AREA �4 .s.,
TEMPORARY DIVERSIONS AND TEMPORARY SKIMMER BASINS ONCE POSITIVE DRAINA�iE IS ACHIEVED TO THE PIT. MAINTAIN ALL � -� r 59.9 AC +I- € �, �. �-\ `a ' �� ;` , �`P�L�.WR`( (TYP) / J - ++*'+ KIP�iMER
EA DIVERSIONS AND SILT FENCE UNTIL GOOD GROUND COVER IS ESTABLISHED. + , l" 'TO /'
DOWNSTREAM i O�� +++ i � I l i� SKIMMER__ r/ i ++< UTL�ET PROTECT{O�!
« r
+
✓ i
21. EXCAVATE EXPANSION AREA #3. �O',G +++` ;` \, - ,'.. , :�'. '/ ` // /'• __ �a=7.5'
,
, r
W 3
PHASE 2 + + . ... � � � r ,.,
* + ,+ .�_-
`• I< ,, � P,;. S"TONE f� = C�A$S A RIP RAC'
Q ` STOCKPILE AREA #3 i '/ +J / « + + +„r « + + _ //.,/
SILT FENCE PER PLAN BELOW PERMANENT/TEMPORARY DIVERSIONS AND BASIN/TRAPS W/SILT FENCE OUTLETS IN LOW Q)- *,* " ;1, ,.' =:I �'� ' l +#+ f ' ' , '`; + + # a }. *}.. +„' + � j %; f �,,•'/,, ,
1. INSTALL ca , 1 ✓, / i ''s;' I/ Qy'/ � ,: K r" ..''`
AREAS PER PLAN. _...._ �C1'_.,,,_ +* !
.,. ,_ ...._,. -._.__ � "i '
CLEAR AS NECESSARY TO INSTALL BASINS. ,..,f" ' `; ; ! / �' ; ++>
2. INSTALL SEDIMENT BASIN #3 � 4. STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY * * `
MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL GOOD GROUND COVER IS ESTABLISHED. } � `,
STABILIZE AND SEED ALL SLOPES IMMEDIATELY. ONLY CLEAR AS NECESSARY TO INSTALL + , �''.. ~;, , .. .. . � ; ; .:: ' � , + +, r E' ! r
3. INSTALL TEMPORARY DIVERSIONS #5,6,7 & 12. STAB �<.. - . ; rE I � � < # :+1+ , •,. , , , . � -
MPORARYiPERMANENT LINING, AND GOOD , , \
NS. MAINTAIN SILT FENCE AND SILT FENCE OUTLETS DOWN STREAM UNTIL TE r + + « +, � -'. l' - ,:".,. � , E • } , ,4 �, +, \,,°,, -�. •, ! \ � ;' f ;, I / ! ' { l• ! " .' t ;-' �
DIVERSIO EXISTING ♦ + r` # \, I,Af`;E %/
f
F ESTABLISHED. I
GROUND COVER ON FILL SLOPES IS S } , , _. .
_ PLANT SITE + , t \ ` ,, + + _ }, '\ `\ �i
T BERMS AROUND PI a ' , + «� ' }
4. INSTALL PERMANENT T ; : J '_..-.,._. w 1`
3'
r /
,
\
i0
�.,�? Aili !- ,% + ., -.. .., f... � 1 , r :, ' ; E � r f f # �....__
ONCE BERMS ARE COMPLETE AROUND PIT AND ARE STABILIZED AND SEEDED. MAINTAIN SILT FENCE UNTIL THIS ACHIEVED. REMOVE ,
- � - � � °, `, ', + � 'OUT• '�PRf3TEC,T(O #2
E P RARY DIVERSIONS AND TEMPORARY SKIMMER BASINS ONCE POSITIVE DRAINAGE IS ACHIEVED TO THE PIT. MAINTAIN ALL • *+*}*+ , � . � .. '.'."�",. "'��"''- � � _ ' `'; } �, + « / / �' �
�, 1 ` � - + - - /' UlIA1VET S. _ I
DOWNSTREAM DIVERSIONS AND SILT FENCE UNTIL GOOD GROUND COVER IS ESTABLIaHED. � "�, � � � ' �" � � '
,
7\
6. EXCAVATE EXPANSION AREA #4. '
;i �' RO / AD ! %
i r TD 2 3r
/
ALL PHASES '� «+r ....� E / +,t#+ _.. X ! ,/ ;_.-.-\ a E.- t` � ' r' / �'- _'.�"�-...... ✓ l'1 E " j, .`;% /
• + . � '.. �".'- . i ! OTD #4 + + ,TO�E ,'�= �tASS,A RIP'RAP ,� -.. _._, _..... _- _ ...._.,..-.-.__ s li i'�ra': . "�✓, �// ter' � � f
O
REMOVE ALL EROSION CONTROL MEASURES ✓ r + a ;;j ....,,..... r r � / + : ;=". ,' J � � ! E.., /' , .,.i/ ///,, -,,,,: � ,� �„ �/ i t ' •"" '
1. ONCE GOOD GROUND COVER IS ESTABLISHED AND NO RUTTING OF SLOPES IS OCCUf�RING
-/� � ;EMERGENCY / % /' �"` -r-- �-'3.. /^ /l /'.,,'��!'l/ .;, .• fr✓ i
WHILE MAINTAINING SILT FENCE ON DOWNSTREAM SID1=. f�.-._-_ . + i ! , !;; ,.-.1.-, --'r ,✓-__�.. `r .
,- 4 l% .. ".. � , SPILLWAY (TYP / !✓ �� ,/ -..._ '` / _ ' : I // w � r' _
AND REMOVAL WITH SILT BAG PER DETAIL, !F NEED + + � �
2. DEWATER ALL SEDIMENT BASINS AND SKIMMER BASINS FOR MAINTENANCE` '-
/ "'. + _ : _ r S KI IdIM E R ✓ , i' l ' of _.., , E
AFTER MAJOR RAIN EVENTS. - •
3. MAINTAIN SILT FENCE
SAFF 'EST
/
ITHIN 7 WORKING DAYS OR 14 CALENDAR DAYS.
K WILL NOT RECOMMENCE vV
4. STABILIZE AND SEED ALL DENUDED AREAS IN WHICH WORK , } � � , ..,�✓ � -•---°�-^-"." �. -, ! �� ;rf; ; ,. �,�, i
AVATION PIT, �
NATION AREA IS EXPANDED POSITIVE DRAINAGE TO BE MAINTAINED TO EXC + + '
5. A5 EXCAVATION s + ' ;` a# t - �!� , a 'f' f �✓ d r � �✓ _ /
6. TEMPORARY SEED AREAS THAT WILL BE DENUDED FOR 30 DAYS OR MORE. / - `� + + r ✓ w ,
SKB'#2 (TYP +
7. MAINTAIN ALL EROSION CONTROL DEVICES WEEKLY AND AFTER MAJOR STORM EVENT-5. b �'" . :.. +,+� / / ;- MERG NOY E �..� f /,_,.._ �� �� ✓ `� /r�
+ ,
: + + + _"SPILLW
8. CALL NCDEQ LAND QUALITY SECTION FOR INSPECTION [phone]. f ++} +' '+*+++ f + , ...' ' ' ✓� + , _ . + + . + + _.., \, � ✓ --\ _rv_.__ -.. ✓ / � + / ,r ;,I
+ ++++ ✓ ( i i f :' /� a++zs f ,i�
JTD � " i/,� + + # + ra+ "^ --/''
;'+� � ��+*+��(LET P T�C3IGN#5
DISTURBED AREAS i ++;+ +;+ °,, � X. SEDIMENTPOiJ ��,
+ + SEDIMENT OND` !' ,+� f � ++++ ��+ � • ✓Vlf. S. -_ v �� ' \� \ \ ti' "�� /
+ } r
PH OUT''ETPIPE' ��++� r ' +}* d= ��`
TAILINGS/SEDIMENT PONDS 2.5 AC�`�` - +'+ WASH PLANT `. �,." 3 � `} � - .,�+ � �
+ + + EXPANSION ,*<° \'d /
�, +b4+ OUTLET PIPE I f � � r +"++� +a.r+ 1 ++ a .\ Uf�E Off- �LASS.A RIP F2A�""`_.._.,` ' I , € <
(INalGE OF ULTIMATE PIT) � - � i + , 40 «#+;+ I � .!�� �.... � AREA �� ._ ..
i 5.V C EX WAS
'�
STOCKPILES i
} B #6 TYP
/
/
(
� -.. � +}* PLANTISCREEN ��,. .+ `.. }} \ TC� # r+ + + � 4 rj'�/r
INSIDE OF ULTIMATE PIT) '� � i '`"t*� �, « II
ff
'.. + S � S i + + rr°a°`r ' '. a. + + ,_.... 4 , i i f _.,.. % 'rIj i (ti ' / ✓
,F' r,
w
.N
INTERNAL. DRAINAGE - 149.5,AC _ � _� + W�f ���° $ x
,
WASTEPILES 0.0 AC AINAGE= 28.2•AC ' - - , - ,
EXTERNAL DID ;*+ � , �,� � � i + \� _- � .� � - + � � E,i 1 � ;+4, } � 14 � � ,��" � , ,4
. i ,. r" FCOW;OIRECTIOI�I--�----; � � /"� - � a'
h r
r .
'. .� * QxiTD#'E 10_D PROCESSING AREA/HAUL ROADS 5,5 AC PIT su�P #4
+
/
tu � \ PIT SUMP #1 ' !
co MINE EXCAVATION 130.4AC* r _.�.- ..-_ ++. ,moo . ,,.,,. � � .� J r ! � % 1� I �.+' Ste/ _��`\
+ � E 4 � +�+ r �
j
,-!� ,. � !r ',�j / %I {,r 'ti' I � .. ✓ � fi _� �....,E. �li�lll �` i �
- f � '..- � i ./ PkT U Y' # ,J \ 1 � - r �: i
EXCAVATION 22.7 AC � '� w r / � � �' i �' t .
OTHER M 1 SC � �., / ; `� ; 1 � -- � }+; � � �, ' �
+
r a ,
BERMS DIVERSIONS, ETC. + r �- � �' EXIS j,� �` i ��' � ;`' : � I :I;I , •
( f ) 1 ,%- + r - , : ; -� -, - iING PI�',a R �
I'
+
SUMP # ��
ARr
X STOCKPILE , � TD # 101 5/
- / / PIT"
TOTAL DISTURBED AREA 177.7 AC J � ;: ,- , +,++ JI ,=e l� _ i;� y + r r a 'i(
r t
N AREA -149.5 AC -
TOTAL MINE' EXCA VT14
AREAS BONDED AS HIGHER BOND AMOUNT E. �� , ` � ! �.%� �r \ ��. 1 � � ' \ € ; � I� I 1 � �• ` I �'�
ys � , ;
y fy; IPIT SUMP'r#3 �' �
� 1�y} {' f /J % / / /'/ ,� + raa{ , � / 3 f �, , f' r f r � �� \\ r,, •` � ��,� `.
i-IT E ;
+ ll 1i
,
LEGEND q � + '
_ (! j V
a++ l � � � 4 '� �fs j / / � / % -'' � -+4�b� !J� EXPANSION f � � / ! I, I 3
AREA#1 1 � � I �. C
PROPERTY r� a++ "� � � - � � i 1i3ErI �- i r ,✓ �J,+�"'�J� � �� +st+'* Y 7r ' �✓ `i 4.Lk AC �'1- } /ts. � � 5. v � � f� �I�.
�. r - + r I�;�� f` / �.'E` � r / ,' + �� ; ,/r' ';, �-,� i r / ✓ ,/ � t € f -I js
PERMIT BOUNDARY ;; ,'.:,��'!i` , r� ,�v� ) , � E 1 //J r - t � tt � 1
` r
- X. STOCKPIL � � ! , : f � + + '++,.., + + ,=z ! �''" \. ,.,r'
+ + �i r -,... , _E AREA #2 t `, � # +'+ " +°+ + + + � +/.� . !� �-_-. � , 3'
r
1 /
WETLAND �
+
l
}
J/
,., -
c 1 r r j i -:f _ /- i , - �.......l', \ ' l / / / w / � } ' f�r' ..✓ If
PROPOSED PIT i. .. 3 , ,
'.-.. a. .-. .. ... ... ...'... ! / ,_ 1 ... ..' •., •. •..,.... .. .. d a , j/v''�v w ., �i _ �✓ �iJ o\ I i%; �.
a
/'1
- + PIT , ..✓ - -.:. ! E .' r / � I� l'� -
4'
u( r,
v:
._ +
r + + <. �..i f f -^�'.-.,.-:ter~//':. / r` ,•,,,' ! ! �./„
SUFFER EXPANSION
r ,
r AREA #3
,y
.�
♦ 1 v Y� y �
PLANT SITE ,; w ,, :.'. ..":,_ .. ,,. ' "; ," r' � r �� � >' ! � ,
1, 1 / -',�.
, +
r
,. Jf
, J / :AFFECTE®AREA + + KB #5(TYP � ...._. .__ __-- .,_. _ :r---• ; I � ---1- -- - ; ,„, '"- � \ �; v � r, r , _^ _" _.... -. ., \ � '; `" � -._ i -/-
�-
j
:
CREEK 1 ---_ _
TD
w
BERM
t .� � � � r + + / % I '4,. , �....- r_� / _ �' r: �, E� r 1 i '`«""";-.-• ., / /' � ._.. ,�.----. e�`'' � 'f r /`_-r�� �� \ i
J. - ._.l _ ,. . + ._.; ,/ __-' .. - --�_-- `, #, + r ,.,,. !✓ ! -' � / .. �-- .,-_ ._- . -_% t _.,% //. � V`• '✓��}r ' ? � r - 1 / V� /� , .r ......
f v
I
\ I
o- 1
_.,-_ � ,. _...,._.. __. ,.. -. __. 3) BAFFL�S (TYP) / ,� _ ' /
• •-' -- MER�ENCY
_ J
SPILLWAY TYP ! _ ✓ ;'
l
TOP OF BERM ` "- �^
..� SKIMMER
�� �.,-_ .... - ...... �.��'`�... , . ' �%r � % PUMPING SEQUENCEI
,, 4
�"^ \�"� �� w i ✓ ��' ✓ ,,/�w ✓ �
/
r1
/
, % , r , -:. w. ,'� � �✓ > ✓ �, OUTLETPR{3TTEETit1N#5::./'� J'f ✓ ✓ � ✓ ✓ ✓ ✓ ✓ r i
SEDIMENT BASIN � l / j . -, _ .._._._
l
f
r�
,✓
✓
WIER _ BAFFLES ,,-,- ,, , ._. �, .,.,-_. �-, �,_ _ _-' � .:�._-~•^%✓ <� °' � ! ✓ r' � ^/�✓ � ;% � 1. ALL EXCAVATED MATERIAL 15 BEING REMOVED FROM A DRY PIT SECTION THAT IS COFFER DAMMED FROM THE REMAINDER OF
; r,;/ 1:_� (� kt-/ w,/ ✓ ✓ \� - __ _^ __ �_.. ' � "r ! ��; - 'i �' , � - EXCAVATED PIT AREA. I.
� � .�. .:1 r v � '. 'r ✓ ✓ '✓ w; w._.._�-..�_,' ,, 'a �� � ��w y, � w,/ / � .,.
! _._.' _.. 2. DRY PIT AREAS ARE PUMPED INTO PIT SUMP #1 OR 2.
• ° � : ' "- -. -: ��--� ,' . ,., TONE.-0= to A„R _��_-... ��, - / f �--
,,�,'` } (} : } vE „` ', `\ ✓ I ✓�-'-_ v -__ �- - ��� ✓ ._ �J , ✓` _ �,..-. ;✓ w -' ✓ ✓ r 3. PIT SOMA #1 !S USED FOR WASHING OF MATERIAL AND ON DUST SUPPRESSION. THE SUMP 1S ALSO CONNECTED 50 THAT IT CAN i
ROCK CHECK DAMS ;,'' i � ' ' �, � I , :`, -�_ `, ✓ '' � .w :;/ ,.�! ,,' � ✓ ��✓ - v � ✓ � ! � ,
, 'I - -..-.. 1 % : v "v i :„ v ,✓ ,✓i ., .,s i ;/ ✓ -�` v"; ,.. ✓ `w ✓
i
4, PIT SUMP
1 FROM D WASH PLANTS CONNECTED IN A PIPE THAT DISCHARGES ORA THEE SEDIMENT POND. (TO SETTLE OUT
SILT FENCE SF / ' I `` � ✓ \ „ -_ ,�
✓ •`.: __-.,, � ,�.-_ -�,%! MATERIAL IN WATER)
�'� I.,,." ` � j" ,` �✓ •" �� S. ONCE THE WATER ELEVATION REACHES THE OUTLET PIPE THE CLEAN WATER FLOWS IN THE TEMPORARY DIVERSION #100 TO SUMP # 4
r ,I
/ ,-- WHICH 15 ALSO CONNECTED TO THE REMAINDER OF EXCAVATED PIT ARE
TEMPORARY DIVERSION DITCH 6. NO PIT WATER IS DISCHARGED FROM THE PIT DURING EXCAVATION AND WASHING OF MATERIAL ALL WATER IS RECYCLED.
/ r ,, ,-n _ 1 ,. __.,: � - / €" - . / ,.., � -- ;.✓� \ �"'-rY 7- THEORY PIT AREAS ARE ONLY DRY FOR THE PERIOD OF TIME IT TAKES TO EXCAVATE THE MATERIAL.
(
\ ✓ �
f / / ._ 7. ONCE THE DRY PIT AREA HAS BEEN EXCAVATED TO THE MAXIMUM DEFT 5 F HE PUMP IS REMOVED AND THE COFFER DAM IS
- � ,•// ;i � ' , I „-_ ,'-:. •',., I _ \ r'.r - �.--� r- ' �'.:,-�� ' ' % - EXCAVATED TO ALLOW THE GROUND WATER TO FLOW INTO THAT AREA, 3
OUTLET PROTECTION � _.. � �'� ; / ;� r° ; a. � ; ;> � °" ,'. � `� _.^. ._ ,�. _�/% _ : �- ^ . ! - � _. �`
THE SUMP AREAS WILL CONNECT TO MAKE ONE LARGE LAKE AS THE MATERIAL IS REMOVED FROM THE SITE.
k � r•
J-HOOK WI SILT FENCE NUTLET � �'
• __ fi250 0 250 500 750
SILT FENCE OUTLET
!
Scale; 1"

e NOTES.
1. EXISTING TOPO IS STATE LIDAR FROM BRUNSWICK COUNTY GIS DATA.
2. BOUNDARY SURVEY PER PLAT PREPARED BY BRUNSWICK SURVEYING INC., SUPPLY, NO
SEALED JULY 25, 1999
3. STREAM AND WETLAND LOCATIONS BASED ON USGS MAPPING AND PER PLA ('PREPARED BY BRUNSWICK
SURVEYING INC., SUPPLY, NC SEALED JULY 25, 1999 -
4. A5 PAW OF THE NCDEQ MINE PERMIT THE OWNER IS REQUIRED TO BOND THE RECLAMATION OF THE AFFECTED
AREA OF PROJECT BASED ON THE STATE MINING PROGRAM REQUIRED AMOUNTS
5. TOPSOIL STOCKPILE MATERIAL SHALL BE USED TO PROVIDE FERTILE SOIL DURING RECLAMATION TO AID IN THE
ESTABLISHMENT OF PERMANENT GROUND COVER. UNUSED TOPSOIL MATERIAL IN THE STOCKPILE AREAS SHALL
BE REGRADED PER DETAIL TO PROVIDE STABLE SLOPES. ALL SLOPES SHALL BE PERMANENTLY STABILIZED AND
SEEDED:
4 BERM 4
1 (� r /i�✓✓�/ll � �r �1
/ ,,... ,/ --„ 1 t i/! /; ..✓ / �/' '^ \ �,: ; /i"~ -.. .. .
// / , ; i, f ✓/,/.r -� ;. ,/ ^ �i
t 'rr
i
�� r ! /' t \_ r % / / r ,. -.. .,-..,,,,' •'' � t \ : - .. "' ,- t` � I E ,-'`f 'I • � it ,S } i - - gi'r \ \`•, i �'" �r
,
r
\� r„— - .._ / i ,.^% ,> % !
z� L
, t ^
f 'r,
1'
,
r
/
1 �
u �
t
/ 0.. .... .. .. .. .. - X +
+ � ♦ a 1. J � -'M. // r e 1 ! ,.,^.. ; I
_I
/
^ ,
+ a + a
+ + ,
,e \ I
r +++ E
? � REMOVED +
fI DURNG
t / i
'iMINING.ACTiVIT1ESue
WATER LEVEL (APPROX.) v tr
.; w� :. . ,... NOTES. _.. ; .. +-r": .\ /
TOPSOILIOVERBURDEN _ �,�� E .! _✓ .. � + r .. ..
+
F: r..., V ER LINE + . -
*+ + + +
_ :. 3.1 MAX SLOPE ABOVE WATER E ^ �-
++
3.1 MAX SLOPE BELOW WATER LINE AT MIN 20 S #
'/,//'/////// .,. Ji// / �} POSIT ' //////,r;•/////////�.}� F10RT. AND 10 VERTICAL DISTANCE +++ REMOVED DURING
M1NlNO. ACTIVITIES
ALL DENUDED AREAS ABOVE WATER LINE TO j
BE VEGETATED ,
�/ // /• ,-/ : // //i,,// /// // /�°, /// , � + + REMOVED DURLNG .'
,
/ 1 t
r/: '.� ; /// /////•. /// /////,, . �.\ ! h11N,ING, ACTIVITIEIleS.
f•� 4 a, 4 +
E�` � }+rs - ... ..... - ...... .. ...... .. .. ... .. .. •++ + + + +t+} +. *a+yt�+r+++,+++++++ ± ♦ + r
1 V TS � + + .. .. .... .. .. .. .. .. + r
.KJs„�
F
a _
I
+ + ALL TEMPORARY DIVERSION +: t°�+` ✓ E : � f
f,
TO BE REMOVED + + . *, + / • ^ �.Q
R
1
i lr 1 4
,I
.+ S 7
,
t BUILDINGS rx SCALE '
/ '. ,++++a� REMOVED *+*
BE REMOVED ,�i ,' / r + +++ 1: �� ^ r �� Ev;a� i,_ `v
TQ J , / , , ,, , � + + MINING ACTIVITIES. f y..« � `v •- y-� � ` � � � i � !
y /y J
ENTRANCE WIT #` i / /,' /r', a++ ��� yi • � F i' � / � ^ � \ �%% i f � E � // ; {}r. r/
r ^ 3
• � -i � GATE /',' / r',' /�f✓ ++++++ .. .. .. .. .. .� +++..} : � / , i... ( `! � '_.___-_^..... - - � �, ' . ^.^ /.^, ^^--- ✓• 1 r ' J !kq .',, .
, // j J f ff
\ / a , / ,/ / `� - - - + i /// , psi � % ... j .. / , \\ � `�-•. ^ .. � __.. 3 i 1 � irj/ Y / '\ / �, r• S i :'�
S
TO REMAIN +aa + + / NETS- LA . D
,
/
ACCESS ROA or
I i , / , / / , + + .. .. ...... .. ... . . .. „ ice � � ��:,. t ` . . - .�._ ___..-'1";�,,,.�' I 1 / �� ✓ ,/ '
TO REMAIN ,r / , ,, //.. +': Y
/ / !' ✓ / ,/ r / ,/ '' *a+ .. .. .. ..I. .. ... .. C'j i # .� .. �:9�-i' '�� —' - ✓ ; ) j ✓ _..._ ,^,,.^ ._. � `\- ; 1f .i -a .,i `r
4 STRAND BARBS , ✓ _ _ __ , ,/ / , ,/ + + REMOVED < , - _._ - -
WIRE FENCE (TYP) / /' � + � '—w-- `�._�`� �
� ✓- / + + MINING ACTIVITIES � *+� ��/ [ ._•::�� � _ -. _.,.. ;%%�
WARNING SIGNS J{i
/ / , / , / + �,.. .. a P r� ,fit.-.='"-` � _.._ -.- ;'r% •r!• /'! ... %/i"
F-
/ � r ALONG FENCE r , ,r • r ,'� ✓ / + +
r r
PIT Ai,GE55 T ', r , ,✓ r/ , ,, I / } � +. +/ , + r +«++� ��} ,,,_ . � } �/^ � :/,, r, ilt� , _..
,° lr BERMED / / ,f / , / r/ a + + + ,,,. +'+-+._..+ + +.+ + + -_. jr�.d ,w r •a--•_.,:�—Tr'----,_• ;, , � /J .�' ✓r Jp
;� •� + + J - / �, +a+ ♦..,�T x � _,... ., F....++*++++ ,.,++++a♦ ' / i� � , 4`1 _ - - �- -"'-•Y / _ J ,'w - Yx
' tE + T + / ,'' � '++ 1"'+ i'+�+ ' �-i + +"•`T + .,Y ,-, / �� ✓ �\ ,. _ H ry �� N \.,. - �i.� 4' � / -y � i j _
f
+ +
....... ,� .�.�51. +��+ _ .. -. � -...� .- ..�. .'. +ter �a,_r" - E `�.� € o_ -., � j!• �! !
1 +
a,
+ /
l ..
\ 1:
- +
4
rf[f
� * + E
I
+ + i
,
kk
\
1 t 1
:�.^�, .. ... . E VE[7 DURING .. ..
_ R MCA.
DISTURBED AREAS
TAILINGS/SEDIMENT PONDS
2.5 AC**
(INSIDE OF ULTIMATE PIT)
STOCKPILES
16.6 AC**
(INSIDE OF ULTIMATE PIT)
WASTEPILES
0.0 AC
PROCESSING AREA/HAUL ROADS
5.5 AC
MINE EXCAVATION
130.4 AC*
OTHER MISC EXCAVATION
22.7 AC
(BERMS, DIVERSIONS, ETC.)
TOTAL DISTURBED AREA
177.7 AC
* TOTAL MINE EXCAVTION AREA =149.5 AC
"AREAS BONDED AS HIGHER BOND AMOUNT
LEGEND
PROPERTY
PERMIT BOUNDARY
WETLAND
PROPOSED PIT
BUFFER
PLANT SITE
�•�� ',`• ��
AFFECTED AREA
CREEK
...�-.-�
BERM
+++a+++++
+ + + a r T + }
M.!.NINGAGTIVITIES +'L+ ji ,'.,
/':
- ...- III
f
" ,...... ,... LAKE ACREAGE-: 135.4 AG
TOP OF WATER — ... ... T ♦ 4 # r`i: 3 'ar � � I.l. I ' ' I � _.
l
- EL 37 (ARPRX.)
STABILIZE ANDSEEDALL SLOPES,
P1T SEEDED AREy/:+-22.2'AC ' _ _ :'t+,.--'" ;'t�t �.L� f� , .F '•�'.
a
*3r/
AL TEMPORARY DIVERSIONS TY � x + + + + #.++ + jfffr ;'
i + REMOVED DURING
MINING ACTIVITIES- ,. % _---' �; i:�•- j ` .. _�.i ,. / ,�-._ "-__'=,� ,-_ % r 71.
r +
a,
r
J._
i"
„
.- # _,,•. _ .'+ r'a a lam. l;, " � � w / I/ J
INTERNAL DRAINAGE 149.5 AC
r
1
EXTERNAL. DRAINAGE= 28.2 AC
, REMOVED DURING .. t � } Sw '✓' / ;-,� �x • _ ..-' \ /
a hr11NING AC. fJVITIES I
f +
i
i
i :
i ASSUMED WA' LINE -� I F
/" I
PPRX. E =3T i
+ j
,•
r \
i
t
f
€ 3:1 MAX 'LOPE � i d r r�' ;. ;r•
„
^,_ ,. -+^. t r .�__.�..�.-- � A OiI WA EFj LINE I. I ., .. ✓ � -.� ''%'/ _._._ � ! r a y *+ '�+ * % ! - / . r / 't '• ",, \�,.., , f � . r ti' /' � v, -:r" ' % �/ ' .,_,v \.—� - �-"`-..._ 1 ! ' / ./'.,. ' r !.•'�,
f`
0-B3�VE' P,T,ED
•,/ ,"- + + . I ...t / r ,i �.^ ''__....,_ ... ... .�`' _ ✓ r' -'Y J' � Jif / i 1 / .-r-� �ti� -::.:r r�i
z, S
w � r
.,., /- ...._...... .:.,,.. y....+ + + .. + - , r � -'- .a� .�- `... ^-. .: r ✓•r ':.� r a v / :;y w w w ! v i � ..... ,% � f` f -- l JR
JJ
/ nn11
r rV.
1
O
+ +-..� , � �� / '' / -�-'___�-� �� ;,� 'l ' � ,: !tr I WAY N
, FF
/ 1
f
`'`, \ .- �"-,. I f'i / s .,.,,:,__ ✓ Y, ✓ r ^. _,_:/,/ ,. ,;, /
y
't I
I 1 ! Y
f i
lr
Ifl
1
y. �� r- v , d r r ;,, _., / / , r ,, �`� -:i "✓ -,, , ✓ .: v r e r ✓ v ! .. ! � € I u '. ,' -' � = i/,, � I
F r
/ ♦ r.., �, { w > v .r r r r. �,�_ , .._....,. _.. _._..._ -,. �,r v s ,� r / v r, v v ,r .. ✓ x .. -. //-.-"..-.... �,. I i / i /r I '�•_ _�- /`' r\
t
�. ` i _. , .:, .\ \,..,. ..y ,. ..y ..y �� - -w � .-✓ € .� '.% .:mJ v 'v f �'r v ,/ ✓ -'✓ ., i , 1 ...� ., , . / F / � ✓ `�.
✓
C .\
i � � } ",,:_-.. -. , -� 1 \�.\� f ..'.r ,`� ir/ / f { �'I r r I •' i �j ;r ,y _.�. //-,%-.-�F � �\ >< rl-.
`N
r f i < r v ,.'H .r ✓ � \ -,✓ 4 r /\x v / t ---�. \ � � � :/ ./� ..✓ � _ .. � ,,%' i t� 1 .1 .. F � + \ - � I E € / r1
f .'..� f '� ✓ ..,.,_.^-✓ , .' �1 d „ ./ .. ,,�,. , d ✓ / ram- --_-.,. :�'_- \ :�.^.., -\ \-..-..,.�." \`., 3S i I E � f � � 1 `'� F.
_. ! ;, - _^ ,; ., . _,,, -__ / _...' , , �, it r _^_^. \\.t b .Eti--. •! : .� •
/
s
I
,
t:
N.
,
r \�
,
,
'
r
250 0 250 500 750 ML
Scale: I" = 250'
i

I
MAINTENANCE PLAN
THE OPERATOR IS RESPONSIBLE FOR MAINTAINING EROSION CONTROL DEVICE6 THROUGHOUT THE PROJECT DURATION.
ALL EROSION AND SEDIMENT CONTROL DEVICES SHALL BE CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF -PRODUCING
RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL DEVICES AS
DESIGNED.
SKIMMER BASINS:
1. BASINS ARE TO BE CLEANED OF SEDIMENT WHEN ITS STORAGE CAPACi (Y IS REDUCED BY 50%. PLACE SEDIMENT REMOVED FROM THE
BASIN IN A STOCKPILE AREA AS SHOWN ON THE PLAN OR AN AREA THAT HAS ADEQUATE EROSION CONTROL MEASURES.
2. CHECK BERM STRUCTURE, SPILLWAYS, AND SKIMMER PIPE EVERY WEEK FOR EROSION AND PIPING.
3. MAINTAIN BAFFLES AS DIRECTED BELOW.
4. ANY RIP RAP DISPLACED FROM SPILLWAY MUST BE REPLACED IMMEDIATELY.
5. AFTER ALL AREAS HAVE BEEN PERMANENTLY STABILIZED, REMOVE BASIN (PHASE.2 OF CONSTRUCTION SEQUENCE) AND ALL UNSTABLE
SEDIMENT. GRADE ACCORDING TO GRADING PLAN OR BLEND IN WITH ADJACENT GRADES -ADDITIONAL COMPACTION EFFORTS MAY BE
REQUIRED IF STRUCTURE IS PROPOSED FOR THAT AREA. STABILIZE AREA.
BAFFLES:
1. MAINTAIN ACCESS TO BAFFLES. SHOULD THE FABRIC COLLAPSE, DECOMPOSE, TEAR, OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
2. REMOVE BUILDUP SEDIMENT WHEN IT REACHES ONE-HALF FULL, TAKE CARE NOT TO DISTURB BAFFLES DURING CLEANOUT.
SILT FENCE:
1. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT BECOMES ABOUT 0.6 FT DEEP AT THE FENCE. THE FENCE
SHALL BE REPAIRED AS REQUIRED TO MAINTAIN A SUFFICIENT BARRIER,
2, SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, DECOMPOSE, TEAR, OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
3. AFTER ALL AREAS HAVE BEEN PERMANENTLY STABILIZED, REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT. GRADE AREA
TO GRADING PLAN OR BLEND WITH ADJACENT GRADES. STABILIZE AREA,
TEMPORARY DIVERSIONS:
1, IMMEDIATELY REMOVE EXCESS SEDIMENT FROM FLOW AREA AND REPAIR DIVERSION RIDGE.
2. CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED.
3. AFTER ALL AREAS HAVE BEEN STABILIZED REMOVE THE RIDGE AND THE CHANNEL AND GRADE ACCORDING TO GRADING PLAN OR
BLEND WITH ADJACENT GRADES. STABILIZE AREA.
RIP RAP LINED DITCHESICHANNELSIOUTLETS:
1. PAY CLOSE ATTENTION TO INLET AND OUTLET SECTIONS WHERE CONCENTRATED FLOW ENTERS.
2. INSPECT FOR INDICATIONS OF PIPING, SCOUR HOLES, OR BANK FAILURE;; MAKE REPAIRS IMMEDIATELY.
3. MAINTAIN VEGETATION ADJACENT TO THE ROCK LINING IN A HEALTHY, VIGOROUS CONDITION TO PROTECT THE AREA FROM EROSION
AND SCOUR.
GRASS LINED DITCHESICHANNELSISWALES:
i
1, DURING GRASS ESTABLISHMENT PERIOD, INSPECT AFTER EVERY RAINFALL.
2. AFTER GRASS HAS ESTABLISHED, INSPECT PERIODICALLY AND AFTER HEAVY RAINFALL. IMMEDIATELY MAKE REPAIRS.
3. PAY CLOSE ATTENTION TO INLET AND OUTLET SECTIONS WHERE CONCENTRATED FLOW ENTERS.
4. GRASS SHOULD BE MAINTAINED IN A HEALTHY VIGOROUS CONDITION A'r ALL TIMES, SINCE IT IS THE PRIMARY EROSION PROTECTION.
TEMPORARY SEEDING SCHEDULE
WINTER & EARLY SPRING
Seeding mixture
Species Rate (Ib/acre)
Rye (grain) 120
Annual lespedeza (Kobe in
Piedmont and Coastal Plain,
Korean in Mountains) 50
i
Omit annual lespedeza when duration of temporary cover is not to
extend beyond June.
I
Seeding dates
Mountains —Above 2500 feet: Feb. 15 - May 15
Below 2500 feet: Feb. 1- May 1
Piedmont —Jan. 1 - May 1
Coastal Plain —Dec. 1 -Apr. 15
Soil amendments
Follow recommendations of soil tests or apply 2,000 lb/acre ground
agricultural limestone and 750 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 Ibfacre straw.. Anchor straw 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
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
TEMPORARY SEEDING SCHEDULE
FALL
---------------
Seeding mixture
Species Rate tiblac, e)
Rye fg4n) i? 3
Seeding dates
,Mountain , —Aug. 15 - Dec 153
Gaastai piain and Pie larlont _� t rJ ,'1 - Dec. 3.0
h
Soil amendrinents
Follow soil tests or a0ply`2,0G lhl2cre ground agricultural limestone
and 1,000 Iblacre 10-10-10 ferfilizer. _
Mulch
Appty 4,000 lblacre straps, Anchor stra]xr asphalt, netting,
or a ; e€ch anchoring tool. A disk Mttl blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Repair and refertili7e damaged areas immediately, Topdress witil aC
Iblacre'of nitrogen in Hafer,. if it is necessary to extent lemporwy
cover beyond June 15, overseed with 0 [Nacre Kobe (Pied'alant and
Coastal Plain) or Korean (Mou.r!fairls) lespedeza in late February or
early March,
f
PERMANENT SEEDING SCHEDULE
SOURCE: NCDEQ EROSION CONTROL MANUAL 6.1lb
HERBACEOUS PLANTS -Seeding recommendations for primary stabilization
Successful development depends on planting date (effectiveness yoai, 6 mo. - a yrs. without an ongoing maintenance program)
Table 6.11.b
�svrm-rrr9 e
t v r... wr s..vrr�wr
O blrs
lPianin
4. 98#as
Cornman Name
Sefluea Lespedeza
---------------
Botanical Name 1
Cutlivar
Lrrsptdeza cvneaia
{Jurttant'
Hative !
n1f9dUGed
Broadcast
aa!ea
]6s uc a
15 tbs
Fertt6r -WW
tirr]sstona
hfl atf•
$ sail last
Maur'a ns
9r1 -fill
V ¢dn oat
1!1 ^ 511
Couat�
Pl+ns
1W1 - 411
surVShade
1010rant
Sun
Wetlands
NR
Riparian
Buffers
NR
iltvasiva
es or o
Yee
Instal€a!ion 1 Maintenance
CanSidurstion5
Responds Wall to controlled
burns
Dtt 83 in urmaki9n, Born t @ntd
Severe Threat _-
__]
invasive c codes
Crown Veldt
Secu era vatic
E
15Ihs
N11
NR
Sun
NR
NR
Yes -
ro ejlyd e
_...ferstrMs
Prefers ne:,trai sods
$ sod test
3'15.4r30
(GOFOnfi/ff Yafia� _-
not rQGrliTatteittlad llnle95
an aE_C_aP le alternative
_____
-
is not avaiiaMe.
Centipede Grace - ._
Eramvchlaa �iuuroi
_ 1 .__
__ a Fbs By sod fast_
10 lbs. for road shoulders
Nil ----
Eabtern _
cr�_
0!1 - 511
�-
Sun__._
_. _NR _
tJR - _
"ta --
�,_.-_
i ea t maintenance
S �n fi n -- -- -.._..
ay ba ra% ired to obtain__
-
i
©oes oat tolerate h h raf';ta
_- -__ _- - .._.8-
Aucoptabla tot soddin V
; Y 31 Taq Fescue
Seliedunorus phoeni
I
100 Ibs
S soil jest
8115-511
911741j 5
9M - 3115
Sun!
NR
NR
Yes
dBbJfed Cover
if ut$md, it is im emotive
Acce tattle fur Bodo n
Fesiuca a undrnacae _._. _.
-
-----
--
- -
._._. _.
moil, Shade
- -- -
- _
_._ .-
-
that rwintenance includes --
a contalnnlent plan
-- -
KY Blue Grass
Poa rensrs--
i
151tss
B soil last
AI15 511 -
N(i -
NR
Sun
NR
MR
Yas
If utlized, it is im aratrva
Prefers neutral sails, hl h
- -
—
-- --' �'-
_--"-
that maintenance includes
a carsEainmantLkcn
conetitve, not rem nnnded
unless an aece table alternative �
--
-
i5 .._n_o_t _a-.Y._a.i._a._b.Ia.
._...T
Acce tabs®iorsaddm
Na d Fescue
-"T
FesrJca brevPda--
l-asiuca iGn IhJlld
- I
15lbs
BYS d test_
8/1 - a!'
'All _
NR -.
Shade _ _
_ NR -
Pl" i
._.—_.
No
- ----
Nat recommended for __
rester than 5 �
Low..,....--
- - -
$e1Tn�ria Crass -� -
C nudun dart nn ��
--i
26 Ebs
S sail Sea!
NR41154/30
4.15-&730
Yes
i Dozed, it's n erative
that maintanance Includes
--
Exttente a ressiva no€
recommended and should be
Sun
NR
NR
_
.
—
a coatainme_nt�ian - _ -
avoided unless a}t acc�ptabie _ ,
sit®raativa is not avadabie.
Ana sodcfad or spr'Ied. -
---------
TEMPORARY SEEDING
PROVIDE TEMPORARY SEEDING TO ALL DENUDED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE WITHIN THE FOLLOWING SCHEDULE:
PERMANENT DITCHES --> IMMEDIATELY (ROCK LINED)
SLOPES 4:1 OR STEEPER --> 7 DAYS
ALL OTHER AREAS --> 14 DAYS
IF SOILS BECOML COMPACTED DURING GRADING, LOOSEN THEM TO A DEPTH OF 6-8 INCHES.
SEEDBED PREPARATION:
LIME: APPLY LIME ACCORDING TO SOIL TEST RECOMMENDATIONS, IF THE SOIL PH IS NOT KNOWN, APPLY AT A RATE OF 1 TO 1 I TONS PER
ACRE ON COARSE -TEXTURED SOILS AND 2-3 TONS PER ACRE OF FINE -TEXTURED SOILS. APPLY LIME UNIFORMLY AND INCORPORATE INTO
TH1= TOP 4-6 INCHES OF SOIL. SOILS WITH PH HIGHER THAN 6 DO NOT NEED LIME.
FERTILIZER: FERTILIZE ACCORDING TO SOIL TEST RECOMMENDATIONS. WHERE SOIL TESTS ARE NOT AVAILABLE, APPLY A 10-10-10 GRADE
FERTILIZER AT 7QU-1,000 LB/ACRE, INCORPORATE FERTILIZER INTO THE TOP 4-6 INCHES OF SOIL. IF A HYDRAULIC SEEDER IS USED, DO NOT
MIX SEED AND FERTILIZER MORE THAN 3C MINUTES BEFORE APPLICATION.
SURFACE ROUGFIkNING: IF AREAS TO BE SEEDED BECOME HARDENED, SEALED, OR CRUSTED, LOOSEN IT JUST PRIOR TO SEEDING BY
DISKING, RAKING, HARROWING OR OTHER SUITABLE METHODS. GROOVE OR FURROW SLOPES STEEPER THAN 3:1 ON THE CONTOUR
BEFORE SEEDING,
PLANT SELECTION:
SELECT THE APPROPRIATE SPECIES BASED ON THE PLANTING SEASON.
SEEDING:
APPLY SEED WITH A BROADCAST SEEDER, DRILL, CULTIPACKER SEEDER, OR HYDROSEEDER. USE SEEDING RATES GIVEN IN TABLES.
BROADCAST SEEDING AND HYDROSEEDiNG IS ACCEPTABLE ON STEEP SLOPES WHERE EQUIPMENT CANNOT BE DRIVEN. HAND
BROADCASTING I5 NOV RECOMMENDED.
SMALL GRAINS SHOULD BE PLANTED NO MORE THAN ONE INCH DEEP AND GRASSES AND LEGUMES ON MORE THAN yZ INCH. BROADCAST
SEED MUST BE COVERED BY RAKING OR CHAIN DRAGGING, AND THEN LIGHTLY FIRMED WITH A ROLLER OR CULTIPACKER. HYDROSEEDED
MIXTURES SHOULD NOT INCLUDE A WOOD FIBER MULCH.
MULCHING:
MULCHING IS REQUIRED FOR ALL TEMPORARY SEEDING AT A MIN RATE OF 2 TONSIACRE WITH ASPHALT TACK,
MAINTENANCE:
CONTRACTOR TO MONITOR GRASS ESTABLISHMENT. PROMPTLY RESEEED AREAS WHERE A HEALTHY, DENSE GROWTH DOES NOT
ESTABLISH. CONTRACTOR MAY NEED TO PROVIDE NETTING OR TEMPORARY LINERS TO AREAS WHERE GRASS CANNOT BE ESTABLISHED
DUE TO EROSION,
TEMPORARY SEEDING SCHEDULE
SUMMER
Seeding mixture
Species Mate (Idtacre)
German €oillct 40
In b the pig drn'Qnl and mount nin, a small -stemmed fSudotlgrass may be
s<ubMituted et a rite of -r0 i 3reiCr .
Seeding dates
Medjnont--May 1 --Aug, 15
Coastal P'lairlw.,.,AArl 15 -Aug, 1
Sall arnerldalents
Follo,oj rr=cot11rt10 =1s€ion of ;soil tests or apply 2,000 lh acre ground
agricultural Iirgestone and 750 lblacre 10-10-10 fertilizer,
Mulch
Apply 4,000 l jar: re straw, Anc or traW b} tasking i11 a:�l ;lalt, tie ing,
or a mukh anchoring tool. A disk 01ith blades sat oeaely straight Pan t, I
Used as a mulch ar:chorsng toil.
Mairtferlarlca
Referblize if grovith is not fully adequate. Reseed, refertilize and mulch I
immediately foliowing erosion or tattler da loge,
REREACE005 PLAN MGcodlng far primary ,4ab71121tIQC1
5twcessfuli dove iopmen( dvperszls on pkanling dale jetfetiveness ,goat: 6 mot -3yrs. without an angeing maintenance piugiam) Tab€e 8,11.E
NATIVE SPECIES
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PERMANENT SEEDING
SEE SEEDING SCHEDULE FOR SEED TYPE AND RATE.
PROVIDE PERMANENT SEEDING TO ALL DENUDED AREAS THAT WILL NOT BE COVERED BY PAVING, BUILDINGS, OR OTHER LANDSCAPING. AREAS
RECEIVING PERMANENT VEGETATION MUST BE STABILIZED WITHIN THE FOLLOWING TIMEFRAMES AFTER FINAL GRADE IS REACHED, UNLESS
TEMPORARY STABILIZATION IS APPLIED,
PERMANENT DITCHES - IMMEDIATELY (ROCK LINED)
SLOPES 4:1 OR STEEPER --> 7 DAYS
ALL OTHER AREAS --> 14 DAYS
COMPLETE GRADING BEFORE PREPARING SEEDBEDS. IF SOILS BECOME COMPACTED DURING GRADING, LOOSEN THEM TO A DEPTH OF 6-8
INCHES.
SEEDBED REQUIREMENTS:
THE SOIL SHOULD MEET THE FOLLOWING MINIMUM CRITERIA FOR VEGETATION ESTABLISHMENT:
• ENOUGH FINE-GRAINED (SILT AND CLAY) MATERIAL TO MAINTAIN ADEQUATE MOISTURE AND NUTRIENT SUPPLY (AVAILABLE WATER
CAPACITY OF AT LEAST 0.05 INCHES OF WATER TO 1 INCH OF SOIL
• SUFFICIENT PORE SPACE TO PERMIT ROOT PENETRATION.
• SUFFICIENT DEPTH OF SOIL TO PROVIDE AN ADEQUATE ROOT ZONE. THE DEPTH OF ROCK OR IMPERMEABLE LAYERS SUCH AS
HARDPANS SHOULD BE 12 INCHES OR MORE, EXCEPT ON SLOPES STEEPER THAN 2:1 WHERE THE ADDITION OF SOIL IS NOT FEASIBLE,
• A FAVORABLE PH RANGE FOR PLANT GROWTH, USUALLY 6.0-6.5.
• NO LARGE ROOTS, BRANCHES, STONES, LARGE CLODS OF EARTH, AND TRASH. CLODS AND STONES MAY BE LEFT ON SLOPES
STEEPER THAN 3:1 IF THEY ARE TO BE HYDROSEEDED.
IF THE ABOVE CRITERIA CANNOT BE MET, SPECIAL SOIL CONDITIONERS OR TOPSOIL MAY BE APPLIED.
SEEDBED PREPARATION:
LIME: APPLY LIME ACCORDING TO SOIL TEST RECOMMENDATIONS. IF THE SOIL PH IS NOT KNOWN, FOLLOW RATES ON THE SEEDING SPEC
TABLE.
FERTILIZER: FERTILIZE ACCORDING TO SOIL TEST RECOMMENDATIONS. WHERE SOIL TESTS ARE NOT AVAILABLE, FOLLOW RATES ON THE
SEEDING SPEC TABLE.
SURFACE ROUGHENING: IF AREAS TO BE SEEDED BECOME HARDENED, SEALED, OR CRUSTED, LOOSEN IT JUST PRIOR TO SEEDING BY
DISKING, RAKING, HARROWING OR OTHER SUITABLE METHODS. GROOVE OR FURROW SLOPES STEEPER THAN 3:1 ON THE CONTOUR
BEFORE SEEDING.
PLANT SELECTION:
SELECT THE APPROPRIATE SPECIES BASED ON THE PLANTING SEASON, SOIL TYPE, SLOPES, AND LAND USES. SEE SEEDING SPEC TABLES
IN PLANS FOR RECOMMENDED PERMANENT SEEDING MIXTURE.
SEEDING:
USE CERTIFIED SEED (INSPECTED BY THE NORTH CAROLINA CROP IMPROVEMENTASSOCIATION)
,
APPLY SEED WITH A BROADCAST SEEDER, DRILL, CULTIPACKER SEEDER, OR HYOROSEEDER ON A FIRM, FRIABLE SEEDBED. USE SEEDING
RATES GIVEN IN TABLES.
WHEN USING A DRILL OR CULTIPACKER SEEDER, SMALL GRAINS SHOULD BE PLANTED NO MORE THAN ONE INCH DEEP AND GRASSES AND
LEGUMES ON MORE THAN %z INCH.
WHEN BROADCAST SEEDING; SUBDIVIDE AREA INTO WORKABLE SECTIONS AND DETERMINE THE AMOUNT OF SEED NEEDED FOR EACH
SECTION. APPLY ONE-HALF THE SEED WHILE MOVING BACKAND FORTH ACROSS THE AREAAND APPLY THE REMAINING SEED IN THE SAME
MANNER BUT AT RIGHT ANGLES TO THE FIRST PASS. COVER SEED BY RAKING OR CHAIN DRAGGING, AND THEN LIGHTLY FIRM WITH A
ROLLER OR CULTIPACKER.
MULCH AREAS IMMEDIATELY AFTER SEEDING IN ACCORDANCE WITH RATES GIVEN IN TABLES. ANCHOR MULCH WITH NETTING OR LIQUID
ASPHALT AT A RATE OF 0.10 GALLON PER SQUARE YARD (10 GAL 1 1000 SQ FT),
HYDROSEEDING:
SURFACE ROUGHENING IS REQUIRED, FINE SEEDBED PREPARATION IS NOT NECESSARY.
RATE OF WOOD FIBER APPLICATION SHOULD BEAT LEAST 4,000-6,000 LB/ACRE..,..--
APPLY LEGUME INOCULANTS AT FOUR TIMES THE RECOMMENDED RATE WHEN ADDING INOCULANT TO HYDROSEEDER SLURRY.
APPLY LIME IN DRY FORM.
APPLICATION
STEP 1 -1/3 MULCH RATE, ALL SEEDING AND ALL INOCULANT SPREAD IN ONE DIRECTION
STEP 2 - 213 MULCH RATE APPLIED IN OPPOSING DIRECTION
MAINTENANCE.
IF STAND IS INADEQUATE, RE-EVALUATE PLANT CHOICE AND QUANTITIES OF LIME AND FERTILIZER, REESTABLISH THE STAND AFTER
SEEDBED PREPARATION OR OVER -SEED THE STAND. CONSIDER SEEDING TEMPORARY, ANNUAL SPECIES IF THE TIME OF YEAR IS NOT
APPROPRIATE FOR PERMANENT SEEDING.
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A I
RAFTING AND DESIGN
SERVICES, INC.
6728 Carbonton Road
Sanford, North Carolina 27330
[phone] phone
draftinqanddesip,[e-mail]
Scale: Drawn by:
MTB
NTS
Sheet. Designed by:
MTB
Reviewed by:
V 6 of 13 MTB
��ww
Project Number: Date:
DDS JOB #: 2021-07
MAY 2021
p

NCG01 PERMIT PROVISIONS HAVE BEEN PROVIDED AS GENERAL GUIDE
WITH MINING OPERATIONS DURING THE CONSTRUCTION PORTION OF
THE PROJECT AS A BEST MANAGEMENT PRACTICE.
HOWEVER, MINING OPERATIONS ARE CURRENTLY EXEMPT FROM THESE
REQUIREMENTS UNDER THE NCG02 PERMIT,
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH EQUIPMENT AND VEHICLE MAINTENANCE orisrrr_ cal;£RETE awasilouT
THE NCG01 CONSTRUCTION GENERAL PERMIT 1. Maintain vehicles and equipment to prevent discharge of fluids. srijucrLll=VVITi1 LINER
Implementing the details and specifications on this plan sheet will result in the construction 2. provide drip pans under any stored equipment. ""�
activity being considered compliant with the Ground Stabilization and Materials Handling s
f i ki l ibl air as soon as f leaks and repair pease, or remove leaking equipment from the a e
7r
sections of the NCG01 Construction General Permit (Sections E and F, respectively). The 3.
permittee shall comply with the Erosion and Sediment Control plan approved by the project r
id fl all t llaspent us, store in separate containers and properly dispose as
Collect r f
delegated authority having jurisdiction. All details and specifications shown on this sheet 4.
may not apply depending on site conditions and the delegated authority having jurisdiction. hazardous waste (recycle when possible).
5. Remove leaking vehicles and construction equipment from service until the problem
SECTION E: GROUND STABILIZATION has been corrected. "" k v•
R, 1
Required Ground Stabilization Tirrteframes 6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products
to a recycling or disposal center that handles these materials. -=-` _ 1
Stabilize within this1 wrr,°E`
ma ny ca lenda r LEI OVJ GI'EAGF V.'A5n0UT STR[ICTIJRE ALOVE GRAnF VJA;i four STRE'CTVRE
Site Area Description days after ceasing Timeframe variations
g LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE
land disturbance I. Never bury or burn waste. Place litter and debris in approved waste containers.
(a) Perimeter dikes, 2. Provide a sufficient number and size of waste containers (e.g dumpster, trash CONCRETE WASHOUTS
swales, ditches, and 7 None receptacle) on site to contain construction and domestic wastes. 1. Do not discharge concrete or cement sluff from the site.
Perimeter slopes 3. Locate waste containers at least 50 feet away from storm drain inlets and surface g y
2. Dispose of, or recycle settled, hardened concrete residue in accordance with loco)
(b) High Quality Water waters unless no other alternatives are reasonably available.
7 None and state solid waste regulations and at an approved facility.
(HQW) Zones 4. Locate waste containers on areas that do not receive substantial amounts of runoff 3. Manage washout from mortar rji[Kers in accordance with the above item and in
(c) Slopes steeper than If slopes are 10' or less in length and are from upland areas and does not drain directly to a storm drain, stream or wetland. addition place the mixer and associated materials on impervious barrier and within
3:1 7 not steeper than 2:1, 14 days are 5. Cover waste containers at the end of each workday and before storm events or lot perimeter silt fence.
allowed provide secondary containment. Repair or replace damaged waste containers. 4, Install temporary concrete washouts per local requirements, where applicable. If all
-7 days for slopes greater than 50' in 6. Anchor all lightweight items in waste containers during times of high winds, alternate method or product is to be used, contact your approval authority for
length and with slopes steeper than 4:1 7. Empty waste containers as needed to prevent overflow. Clean up immediately if review and approval. If local standard details are not available, use one of the two
-7 days for perimeter dikes, swales, containers overflow. types of temporary concrete washouts provided on this detail.
(d) Slopes 3:1 to 4:1 i4 ditches, perimeter slopes and FiQW 8. Dispose waste off -site at an approved disposal facility. 5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
Zones 9. On business days, clear) tip and dispose of waste in designated waste containers, sections. Stormwater accumulated within the washout may not be pumped into or
-10 days for Falls Lake Watershed discharged to the storm drain sy3tem or receiving surface waters. Liquid waste must
-7 days for perimeter dikes, swales, PAINT AND OTHER LIQUID WASTE be pumped out and removed from project.
(e) Areas with slopes ditches, perimeter slopes and HQW Zones 1. Do not dump paint and other liquid waste into storm drains, streams or wetlands. 6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
flatter than 4:1 14 -10 days for Falls Lake Watershed unless 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface can be shown that no other alternatives are reasonably available. At a minimum,
there is zero slope waters unless no other alternatives are reasonably available. install protection of storm drain itilet(s) closest to the washout which could receive
spills or overflow.
Note: After the permanent cessation of construction activities, any areas with temporary 3. Contain liquid wastes in a controlled area. 7. Locate washouts in an easily accessible area, on level ground and install a stone
ground stabilization shall be converted to permanent ground stabilization as soon as 4. Containment must be labeled, sized and placed appropriately for the needs of site. entrance pad in front of the washout. Additional controls may be required by the
practicable but in nocase longer than 90 calendar days after the last land disturbing 5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from approving authority.
activity. Temporary ground stabilization shall be maintained in a manner to render the construction sites. 8. Install at least one sign directing concrete trucks to the washout within the project
surface stable against accelerated erosion until permanent ground stabilization is achieved. (units. Post signage on the washout itself to identify this location.
PORTABLE TOILETS
GROUND STABILIZATION SPECIFICATION 9. Remove leavings from the washout when at approximately 75% capacity to limit
1. Install portable toilets on level ground, at least SO feet away from storm drains, overflow events. Re Stabilize the ground sufficiently so that rain will not dislodge the sail. Use one of the place the tarp, sand bags or other temporary structural
streams or wetlands unless there is no alternative reasonably available. if 50 foot components when no longer functional. When utilizing alternative or proprietary
techniques m the table below offset is not attainable, provide relocation of portable toilet behind silt fence or place
m hproducts, follow manufacturer's iftstructlons.
M
on a gravel pad and surround with sand bags.
10. At the completion of the concreto work, remove remaining leavings and dispose of
ss seed covered w,th stray or . Permanent grass seed covered lvith straw or 2. Provide staking or anchoring of portable toilets during periods of high winds or in high in an apprnved disposal facility. F111 pit, if applicable, and stabilize any disturbance
and tackifiers other mulches and Ockifiers foot traffic areas. caused pr removal of washout.
• Geotextife fabrics such as permanent sail 3. Monitor portable toilets for leaking and properly dispose of any leaked material.
• Rolled erosion control products with or reinforcement matting Utilize a licensed sanitarywaste hauler to remove leaking g portable toilets and replace
� without temporarygrass seed Hydroseedin„ with properly Operating unit.
• Appropriately applied strata or other mulch • Shrubs or other permanent plantings covered HERBICIDES, PESTICIDES AND RODENTICIDES
+ Plastic sheeting with mulch -
• Uniform and evenly distributed ground cover EARTHEN STOCKPILE MANAGEMENT 1. Store and apply herbicides, pesticides and rodenticides in accordance with label
sufficient to restrain erosion 1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least restrictions.
Structural methods such as concrete, asphalt or 50 feet away from storm drain inlets, sediment basins, perimeter sediment controls 2. Store herbicides, pesticides and rodenticides in their original containers with the
retaining walls and surface waters unless it can be shown no other alternatives are reasonably label, which lists directions for use, ingredients and first aid steps in case of
• Rolled erosion cantro[ products with Brass seeci accidental poisoning.
I R available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of 3. Do not store herbicides, pesticides and rodenticides in areas where flooding is
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS five feet from the toe of stockpile. possible or where they may spill or leak into wells, stormwater drains, ground water
1. Select flocculants that areappropriate for the sails being exposed during or surface water. If a spill occurs, clean area immediately.
g P g 3. Provide stable stone access paint when feasible. 4. Do not stockpile these materials cinsite.
construction, selecting from the NC DWR List of Approved PAMSIFlocculonts• 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
2. Apply flocculants at or before the inlets to Erasion and Sediment Control Measures. with the approved plan and any additional requirements. Soil stabilization is defined
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved as vegetative, physical or chemical coverage techniques that will restrain accelerated HAZARDOUS AND TOXIC WASTE
PAMSIFlocculonts and in accordance with the manufacturer's instructions, erosion on disturbed soils for temporary or permanent control needs. -
4. Provide pending area for containment of treated Stormwater before discharging 1. Create designated hazardous waste collection areas on -site.
offsite. 2. Place hazardous waste containers under cover or in secondary containment.
S. Store flocculants in leak -proof containers that are kept under storm -resistant cover 3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
or surrounded by secondary containment structures.
NC O. GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/0I/19
k
PART III PART III PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING SELF -INSPECTION RECORDKEEPING AND REPORTING
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION A: SELF -INSPECTION SECTION C: REPORTING
SECTION B: RECORDKEEPING
Self -inspections are required during normal business hours in accordance with the table - 1. E&SC Plan Documentation 1. Occurrences that must be reported
below. When adverse weather or site conditions would cause the safety of the inspection The approved E&SC fan as well as an a Permittees shall report the following occurrences:
personnel to be in jeopardy, the inspection may be delayed until the next business day on pp P y approved deviation shall be kept on the site. The (a) Visible sediment deposition in a stream or wetland.
which it is safe to perform the inspection. In addition, when a storrn event of equal to or approved E&SC plan roust be kept up-to-date throughout the coverage under this permit.
greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall be The following items pertaining to the E&SC plan shall be docurnented in the manner
performed upon the commencement of the next business day. Any time when inspections described: (b) Oil spills if:
were delayed shall be noted in the Inspection Record. • They are 25 gallons or more,
Item to Document Documentation Requirements • They are less than 25 gallons but cannot be cleaned up within 24 hours,
Frequency (a) Each E&SC Measure has been installed nitiai and date each E&5C Measure on a co • They cause sheen on surface waters (regardless of volume), or
Inspect copy
P (during normal Inspection records must include: - W
business hours) and does not significantly deviate from the ofthe approved E&SC Plan or complete, date • They are within 100 feet of surfaco waters (regardless of volume).
(1) Rain gouge Daily Dildy rainfall amounts. locations, dimensions and relative elevations and sign an inspection report that lists each
maintained in If no daily rain gauge observations are made during weekend or shown on the approved E&SC Plan. E&SC Measure shown on the approved E&SC
good working holiday periods, and no individual -day rainfall information is I Plan. This documentation is required uper the (a) Releases of hazardous substances In excess of reportable quantities under Section 311
order available, record the cumulative rain rncasuroment for those on- of the Clean Water Act Ref: 40 CFR 110.3 and 40 CFR 117.3 or Section 102 of CERCLA
initial installation of the E&SC Measures or if { )
attended days {and this will determine if a site inspection is
g• neede(T}. Days an tvf3ich no rainfall cccurrcd shall Inc recorded as
the E&SC Measures are modified after initial (Ref: 40 CFR 302.4) or G.S, 143-215,85,
"zero." The permittee may use another rein -monitoring device installa tion.
approved by the oivisian. {b) A phase of grading has been completed. Initial and date a copy of the apprnved E&SC
z E&Sc At least once (b) Anticipated bypasses and unanticipaLed bypasses.
() per 1. Identification of the measures inspected, Plan or complete, date and sign an inspection
Measures 7 calendardays 2. Date and )Irmo of the inspection,
report to indicate completion of the
and within 24 3. flame of the person performing the inspection,
Hours of a rain 4. Indication ofwhcther the rncasures wurc operating construction phase. (c) Noncompliance with the conditions of this permit that may endanger health or the
evant> 1,.0 inch in properly, environment.
(c) Ground cover is located and installed InitiaE and date a copy of the approved E&SC
' 24 hours 5. Description or maintenance needs ter the measure, in accordance with the approved E&SC Flan or complete, date and sign, an inspection
G. Uescriptior:, cvldenco, and date of corrective actions taken.
Plan. report to indicate compliance with approved 2. Reporting Timeframes and Other Requirements
I) (3) S[orcmv.ater At least once per 1. Identification ofthe discharge outfatls inspected,
discharge 7 calendar days 2. Date and tithe at tl;c inspection, ground cover specifications.
outfalls (sDn<_) aril within za s. Marne ofthe person perfomaing the insperion, After a permittee becomes aware of an 6ccurrence that must be reported, he shall contact
(d) The maintenance and repair Complete, date and sign an inspection report.
hours of a rain 4. Evidence ofindlcators of stormwater pouution such as cif regtlire€ttents for ail E&sC Measures the appropriate Division regional office yylthin the timeframes and in accordance with the
event> 1.0 inch in sheer, Iloative or suspended solids or discQlarauon, other requirements listed below. Occurrences outside normal business hours may also be
24 hours 5. Indicatior of visible scdimcnt Icaving the site, na`i� been performed, q y
_ --- - --------- -- - ---- ---- _--- reported to the Division's Emergency Response personnel at [phone], (800)
G. DeseriptEon, evidence, and date of corrective actiorstaken. {e) corrective actions have been taken Initial and date a copy of the approved E&SC
(4) Perimeter of At leastanre per If visible scdirnentation is found CLuSide sitciimits, then a rCLQHJ site lcalendar days ofthe fahawingshalfbclTaade: 858-0368 or [phone].
to F&SC Measures. Plan or complete, date and si ri an ins ecCon and within 24. 1. Actionstalaen to clean up orstabilize the sediment tI°at has left report to indicate the completion of the
i fcorrective action.
event> lours of a in the site Iirnits' Occurrence Reporting Timeframes (After Discovery) and Other Requirements
1.0 inch in z, Leseription, cvidencc, and date of corrcctiveactionst:nken, and (a) Visible sediment . Within 24 hours, an Kral or electronic notification.
24 hours 3. An explanaticn as to the actions takente control future
releases. Z• Additional Documentation
deposition in a • Within 7 calendar days, a report that contains a description of the
(S) streams or At Icast aacc per It the strcafn ar WCtland has increased visible scdlmantation ora stream or wetland sediment and actions taken to address the cause of the deposition.
In addition to the E&SC Plan documents above, the following items shall be kept on the wetlands ensue 7 calendar days stream has visible increased turbidity from the wnstructi°n Division staff may waive the requirement for a written report on a
or offsite and within 24 activity, then a record of the folla,ving shall be made: site
case -by -case
(where hoursofa rain 1. Description, cvidencc and c'&te of corrective actions taken, and and available for agency inspectors at all times during normal business hours unless the
basis.
• l3(c]) Its)
accessibfe) event> 1.0 inch in 2. Recardsof the required reports to the appropriate Division If the stream is named on thew ",3 as impaired for sediment-
24 provides a site -specific exemption based on unique site conditions that make this Causes, the fjermittee may be required to perform additional
24 hours Regional Office per Part in, Sectior: f, Item (2)(a) of this permit requirement not practical:
related
of this perm t, monitoring, inspections or apply more stringent practices if staff
(6) Ground Attcr each phase 1. The phase of grading (installation of perimeter E&SCE - determine that addiflonal requirements are needed to assure compliance
stabilization of grading measures, clearing and grubbing, installation of storm - (a) This general permit as well as the certificate of coverage, after it is received. with the federal or state impaired -waters conditions.
measures drainage facilities, completien ofall land -disturbing (b) Oil spills and • Within 24 hours, an oral or electronic notification. The notification
activity, construction ar redevelopment, permanent ground cover). (b) Records of inspections made during the previous 30 days. The permittee shall record release of shall include information about the date, time, nature, volume and
ill Ur release.
z. eocra„entatiar, that the rcgahed ground stabitizatialn the required observations on the Inspection Record Farm provided by the Division or hazardous location of the spill
measures have been provided within the required a similar inspection form that includes all the required elements. Use of substances per Item
timmframe gran assurance that they will be provided as electronically -available records in lieu of the required paper copies will be allowed if 1(b)-(c) above
soon as possible, shown to provide equal access and utility as the hard -copy records. (c) Anticipated . A reportatleast ten days before the date ofthe bypass, if possible,
bypasses [40 CFR The report shall include an evaluation ofthe anticipated quality and
NOTE: The rain inspection resets the required 7 calendar day inspection requirement. 122.41(m)(3)] effect of the bypass:
(c) All data used to complete the Notice of Intent and alder inspection records shall be (d) Unanticipated • Within 24 hours, ari oral or electronic notification.
maintained for a period of three years after project completion and made available
� bypasses [40 CFR . Within 7calendar dugs, a report that includes all evaluation of the
upon request. 140 CFR 122.411 122.41(m)(3)] quality and effect of the bypass.
(e) Noncompliance • Within 24 hours, an ®ral or electronic notification.
with the conditions • Within 7 calendar dilys, a report that contains a description of the
of this permit that noncompliance, and its causes; the period of noncompliance,
may endanger including exact date3 and times, and if the noncompliance has not
health or the been corrected, the 2nticipated time noncompliance is expected to
environment[40 continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(I)(7)] prevent reoccurrence of the noncompliance. [40 CFR 122.41(I)(6).
• Division staff may waive the requirement for a written report on a
case -by -case basis. _
NCCTOSELF-IN SPEC "ION, DECO KEEPING ANT E_PO T LNG EFFECTIVE: 04/01 / 19

6.64.8
Practice Standards and S'pecificftiiotts
Construction
1. Clear, rub, and strip the area under the e[nbaukment ti# all v'egttution and
g p
9. Erosion cou[rol-Construct [he structure so that the disturbed rttea is
roar mat. Remove all surfaw soil cuntairling high alliuunty of organic matter
nlininlrzcd. Divert surface water away born bare areas. Complete the
Specifications
and stockpile or dispose of it properly. Haul all objectionable material to the
embunknwrit before the area is cleared. Stabilize the emergency spillway
designated disposal area. Place temporary sediment cont[;ll measures below
enlbaukment and all other disturbed areas above the crest of the prilicipal
-
-
b351F1 as needed
spillway immediately after constriction (References: Siirfuce Sluhiluu7iu r).
2. Enswe that fill material for the embankment is free of roots, woody
10. Install porous baffles as specified in Practice 6.65, Porous Bggles.
vegetation, organic matter, and other objectionable material. Place the fill i❑ . -
11. After all the sedhnen-producing areas have been permanently stabilized,
lifts not to exceed 9 inches, and machine compact it, Overfill the embankment
remove the structure and all the unstable sediment. Smooth the area to
6 inches to allow" for settlement:
blend with the adjoining areas and stabilize properly (References: Alfifce
3. Shape the bash] to the Specified dimensions, Prevent the 6kilnilling device
SlulilitZG1t017).
from settling into the mud by excavating a shallow pit undcT the skimmer or
providing a low support under the skimmer of stone or [irnl4r,
l ' n.ct Ins skunrlier sediment basins at least wct;M and alter each significant
Maintenance y
4. Place the barrel (typically 4-inch Schedule 40 PVC pipe) un afirnl, smooth
(one-half inch or greater) rainfall event and repair inimediately. Removo
foundation of impervious soil. Do not use pervious material such as sand,
wrliment and restore t cr basin to its original dimensions when sediuleuf
gravel, or crushed stone as backfill around the pipe. Place the fill material
accumulates to one-half the height of the first battle. Pull the skimmer to
around the pipe spillway in 4-inch layers and compact it tender and around
one side so that the sediment underneath it can. be excavated. Pxeaxacc the
the pipe to at least the same density as the adjacent embankment. Care limst
sediment from the entire basin, not just around the skimmer or the ill cell.
be taken not to raise the pipe from the Gail contact with its foundation when
Make sure vegetation growing in the bottom of the basin does not hold dntvn
compacting odder the pipe haunches.
the skimpier.
Place a minimum depth of 2 feet ofcompacted backfill ever the pipe spillway
Repair the bailees if they are daruaged. Re-arichor the bathes if wrher is
before crossing it with construction equipment. .in nd) ca z,; should the pipe
flowing underneath or around them.
conduit be installed by cutting a french through the dawn aftef the emhankm_ cnt
is complete.
Ifthe skirl ner is clogged with trash and tiwre is water in the basin, u;iralfy
5. Assemble the skimmer following the manufacturers instructions, ur as
jerking on the rope will snake the skimmer bob up and down and di.dodae
ucsiy�ncd.
the debris ally r'e iote flow, if this does not work, pull the' skimmer over it,
nil
6. Lay the assembled skimmer on the bottom of the basin with the llexr t
the side of the basin and remove the debris. Also check the orifice inside the
o the barrel PiPo
joint at the inlet of the barrel pipe. Attach the ticxiblejoint l 1 P
- skimmer to see if it is clogged; if so remove flee debris,
and position the skimmer over the excavated pit or support, Be sure to attach
if the skimmer arnt or barrel pipe is clogged, the orifice can be remov4d and
a rope to the skuanncr and anchor it to the side of the basin. This will be used
the obsttuctiou cleared with a plumber's snake or by flushing with water, Be
to pull the skitnrn£r to the side` fin- maintenance. -
stn e and replace the orifice before repositioning the skimmer.
7. Earthen spillways-lnstaIf. the spillway in undisnirbed soil to the greatest
Check the fabric lined spillway for damage and make any required r'ipairs
extent possible. 't he achievement of planned elevations, grade„ deli{ nwidth, -
and entrance and exit channel slopes are critical to the successful operalion
with thbric that spans the frill width of the spillway. Check the embanlunent,
laminated plastic or
of the spillway. 'rile spillway should be lined with la
era
spillways, and outlet far erosion amage, an inspect the enlbauknren t
impermeable geotexiilc fabric. The fabric must be wide gild foug enough to
piping and settlement. Pr all necessary repairs Immediately. Bement Al
cover the bottom and sides and extend onto the top of the duns for anchoring
trash and other debris from the skinner and pool areas,
in a trench. 'rho edges may be secured with 8-inch staples or pins. The fabric
Freezing weather can resell in ice forming in the bast(". .Some special
must be long enough to extend down the slope and exit Oilto stable ground.
prccautiuns should be taken in the winter to prevent tlic slcimmo frorn
The width of the fabric must be one piece, not joined or Spliced; otherwise
plugging with ice.
water tail get under the fabric. lrthe lengili ofthe fabric is insufficient for the
entire length of the spillway, multiple sections, spanning the complete width,
may be used. The upper section(s) should overlap the rawer section(s) w
that water cannot flow under the fabric. Secure the upper edge and sides
of the fabric in a trench with staples or pins. (Adapted flow "A Manual for
Designing, Installing and Maintaining Skimmer Sediment 13, sins." February,
1999, k lhr. Faircluth & Son.).
S- fnlets=Discharge water into the basin in a manner to pre vellt erosion. tAv
temporary slope drains or diversions with outlet proleclioli t[3 divert wiliOlen t-
laden water to the upper end of the pool area to improve b3aln trap etliciell"
- -
(References: RiloOt)Conn -o1 Mea Fnres and Griller Pi(1reefiai[).
-
- Rev. 6166
tie,. 6106 - 6.64.9
I
DIMENSIONED AND
t
NOTED ON PLANS BOTTOM QF BAFFLEINt
Wf STONE LINING
6" X. 6" TFiF-NCH AND
FILLED NNITH SOIL AND
COMPACTED
PERSPECTIVE VIEW
HOG WIRE ATTACHED
TO POSTS WITH LENGTHS
OF WIRE
BAFFLE INSTALLATION
OnStfLlCtiQn MATERIALS
7 Lstend 9 gaug ntiniinuru high n tetort wire strand to sid t f basin or install
�C,.o] 1-posts f } anchor b ifllu to side of ba;m and sdx;ure to ti4rlical end posts as.
slcdshown
Specifications 1. t"se lnalhtlpmadc of lol)9'u,QocolJut fiber (Coin) tvllne lwov`erl into ]limit �
Specifications
nt l is to b�G71r.
strerlylt rnatr4Y R'lth the properties shown to Table 6.6-5n.
i3. Drape the Can' Ail1e1 neat tin L the wire Strand mountud al a iwiglit of 6 inches-
2. Staples should be made of U.12� inch ddiarltet l rrevt Steel v ire fortllyd into a
'1'lra
abavc tllti sltillwar elevation. Secure the Lair fiber inat to the vs ire ttamd isitil
`U' Aiape not leas than .12 inches in, letilmh with a throat of 1 inch in )vlllth.
131astic ties Or wire fasterreis. 1i€ichl)r the nl ttting to tll� ;ides an ] floorOftlt'o
staples arlallor-tie-po;aus batfees into the sides and boitonl ofthC resin.
basin with 12 inch wire staples, approximately 1 11 apart, along the boftont acid
silo slopes of the liashi.
3, ) lt5nle th t Steel hosts -for putouS baffles are Of a sufficient heiQlit tG $Llpt)Ort
balncs at desn'Gd height. Doss 51tould be approxnpillelq 1-18" wide Illeasurcdl
9. Do not s k.i the fahrie bialLSc ai continuous )iuQv aCl-osS the i)asin
1 1
he lusts
parallel to the fence, and have a ruiruwltm weight of 1.2> ]h%livaar N. (1
must be cqurpped with an anchor plate having a mr.itiimilrn area of 1`0) Stltb".1-
10. -S.cllustinc:ids .may be ictinircd in (lu: stapinip Ccgnri'GnIGYIIS to tit Cndividlilat
1nC17u5 and be or the SL'11 fIStcfi r itll ytC Sfeel type tl) 1lj,%,U a IlleaitS Of f�jitrrlillg
51 t4' Collihtio113.
wire and coin fiber ntat in the dunked positron without displacenleriL
Maintenance
llu5pcct ballles;'at least ("lice .a v;u& aria after e:tuh rainfall. make in), required
4. UseI-. '.
�,,aUgOhljh tC'IlSiOn ti'n�e felt' support Lwll'll.
-
r t)ans nmrietliatety.
Table 6.65a Specifications
fnr PnrntIC'RnfflP ltjt.'1ltPri2l
Clair Fiber Baffle Material Property Requirements
Thickness
1 0,30 in. minimum
Tensile Strength (Wet)
90_0 x 680 Ib1ft minimum _
Elvin atior et
69% x 34% maxirnum
Flow Velocity,10-12
Weight
fusee _
-20 oziSY 68D im') mWmunl
Minimum Width
6.5 feet
Open Area ----------
50% inaximum
13c surc to uiaintalti aec;uss to trw halilcs. Should thtc labric of a Value GUI]ap5e,
tear, decompose, or become incffe,:6ve, replace it promptly.
Remove sediint:nt deposits when itreachcs half frill.. to prt3vide adequate
storagevolulnefor tltu next rain and to cerluce pressule on the battles.
Take care to ati oid danuiging the bat'13es during ctcanout, :and replace if daniaawad
during cicanouA d p: nations. Sod meat dle^pth Should n-- er exceed half the
designed storag;; depth.
After, the cantiibuting diainao-e mea has beenpropcirly staabilirc t, veinoce all
baffle materials and unstable sediment deposits, bruln� tlio area to c l ode, :nlct
CONSTRUCTION
sla,iluc it
1. Ciiade the basin so that the bottom is level frolat to back and side ter side.
2. distill the coin liter bafltes itltrnediately' opine-xc avation of tdie hasiu;>
3. Iistall Posts across the .width of the sv;duttcil trap (11rae6ce 6.62, SerlllYlalat-
diiCG').
4. Stccl posts should be drive to :t dcdil3lof 24 inches and spaced a ni ciltlmrn of
4 feet apart,'The lop of the fabric should bQ a mFtiiinuin of' 6 inelic's high T than
-
. the invest lops Ol bafffps shsiuld be a mininlutn Of 2 inclics lomer
than the top of tilt ear{lltn timbankuwnt.
5. Install at least three rows of halllcs bdvccen tern inlet and outlet discharge:
poiill. l3a9nlfi less thrall 21) feet in lell"ih may Ilse: 2 baffles.
6. Attach a 9 gauge htah tension wire strand to the steel posts at a llfr��lglit Irk' 6
iuOies above flit spilhi' vaClov�ation. iSitlt. plastie tics or. wire lastenLTs b) Pre%cfll
Sag :ig. ll' tllc'i termpurary SCd miCilt b219m will be cornerted to a �1�'rmanClit
stonlllvater basil of a 2TcaLr depth, the baffle height should be bastxd oil the pool
depth dorim, use; as a temporary sediment basin.
TEMPORARY OASIN
BAFFLES
NTS
PVC END CAP
l
FITS
END VIEW
NTS
IUr VIr_VV
01/i' FI WWI
LVA
m lw�ti�riri V ..r�iItatnrr �t� rrat�ximtasn la�ac�riie deiearti�. p�t?sid b�f tiro
baajn. is comp *11y 64vatomd (at 1ta 0.hours).
€nf ow rats ih inftow velmity are divert all di of
rw10 .
sx�� as g�rerar.3trazs x}�cr,wxy cxcru uvr�
.oculrriKfilCrass-5action
eoroge zone Firm
Mgurisd.Wc Example, ul a i mant thin with a skirnmer bullet and emergercy. zpillway. Fria "ri Nr-riaylvaniaa
E osl ro =. and ir,,*nt PclhjiOn Coniri>i Ilert;eal, March, 20W.
rev.L3 4.it,'7
NTS
"C" ENCLOSURE
i,TER ENTRY UNIT
,3;
TOP EL= 48.0
PVC VENT PIPE
\ SCHEDULE 40 PVC PIPE
(SEE PLAN FOR DIA.)
END CAP
SCHEDULE 40 PVC PIPE
IN
E (SEE PLAN FOR DIA.)
FLEXIBLE HOSE
FRONT VIEW
ORIFICE PLATE
(SEE PLAN FOR DIA.)
TEE
V WATER
SURFACE
BERM _.._ .._ CONTROL SECTION
FREEBOARD (1' MIN) EXIT SECTOR
\ SEE PLANS FOR LINER LENGTH
SPILLWAY INVERT ELEV \
MIN.
EXTEND LINER V BELOW
BOTTOM ELEV. LEVEL OR S L-
GREATER 100,
APPROACH PROFILE ALONG CENTERLINE
CHANNEL
CROSS SECTION AT CONTROL SECTION
TYPICAL EXCAVATED EARTH SPILLWAY
NTS
j
Notes
1. La is the length of the riprap .
apron.
2. d = 1.5 trines the maximum
stone diameter but not less I
than 6"
Pipe Outlet to Flat Area- 3. In a well-defined channel ex- ,
No Well-defined Channel tend the apron up the channel
banks to an elevation of 6"
above the maximum tailwater
depth or to the lop of the bank, i
3do A / r' q whichever is less. '
' .-__ 4, A filter blanket or filter fabric
should be installed between .
the riprap and soil foundation. -
Plan
Construction t • Gel,sure flat the suhgrade for the filter earl riprap follows t!ra reyuirecl fires
mlgrulcs ho%vllnitheplun. Ccn1pactawl}'fill weeraredl2flee'subsrruetothe
La
Specifications
clen5rty of the sun oandtn.- undistutbcd mat ii il. Low areas in tire, sut,t,r de On.
undisturbed soil m It also be filled by uicreasmi2- die riplal) thickness
fi 2 The ri pr 1 p and < avtl litter must confanu to ale s ecrlitd ruidillg ]runt
Illl�`�a-- Ige= F�.t#. `'- 3 p g � I
l -arty = nil shown on tl-.z phin5
*Filier 3. filter clot) when used, must Meet deshLii re oilentents. and be properly
Section AA blanket ' q P 1 }' I
prutected from pwichiri, of tauiri2 dtuillg uisiallai c:n. Repuir any daralal d by
romoving tile riprapardplaciuganetherpiece offilter Qlad ct er (liedamag,ed
Pipe Outlet to Well -define arts. All connecting joins should overlap scl the top layer is aboi a .the
Channel downstrearu Iayer,a lnininiu[u of l ruuL If the (11111agd is d;tteiisive„repaac.
the entire filter cloth.:
4. Riprap may be placed'oy equipment, but tul:e care l a oic1 duniagirig, the
tiller.
A / 5. The minimum ilfickiiess of the riprap should be 1.5 times the nr axur im
Stolle diallieler. .I
T 6. Riprap may Le field stcine or rough quarry stone. It slxiuld be hurcl
4
- i ,nluar, {t5'tilv wea,.her-resiantd anwell � ue. L'la highly 'S tdd jt
7. CL`r15[Cllet die :iplUil on zero grade with no uvertr)l rt tllu'eCiCl Ilfdketlic -
tc )of die ri )ra attin' dowrisbeaul end level >a ith the receiver are to r sli•ziltl
Plan 1 1 P )
beluw it.
I.
8. Ensure that tile 'a proh is Property uli< it,d w tl > i r g n r k Property l 1 tl>�, r:cen a„ Skrv,tt
and preferably stiaight throuuhorrt its lcrgth. I a cilrye is heeded to lit site
La t;oiiditioiw, plaace it ill the upd;u as:ctien of the apron.:
a. hnmediat£lyaftercorrstructiori,stabilizeal.lclisturUudareasivitltvt.gctaii�n
(Prdcfeces 6,10, Tempvta))t&MMiilg, -=6 6.111 PunvalierrtSced)igf.
1 F r'�l tq 9.-i Jd -i1 i 6
' . ,,2ction 4AA i, iidr_= Mal to 11Ct? tnspectriprapcutl.:I.slructureawzeklyanclafEersigaufic.urt(1 inchorgred€ r)
., _ n n
Hiter raenfalt events to scc;if any erosion around or LQlo%v the ripror has take 11)lace,
blanket c)r' .tt stones huv%� betel dislodgcd. fi11mQ iiately niak� all., rleed ed repairs to
Fl the 6,4r c Riprap ovtiot protCcilcn tmodiFed from va S Ncc#. prevent further d.Ln12�e.
References S'lidLceslabilizrfiioli
6A0,'fetnperaiy ceding
6.41.4 6. 11, Permanent yezding
C 15, Riprap
r]pl3encli�
S.06, Dcsign of R ipiap Cutlet Protection
Rice, C.E- Ka-,bv�y, h.0-Riprtap Design. for Pipe spilhv ays at
-1 <TW/➢ =0.'1" resented at the December 13, 1994 Internaticnal tVinler
lizet n_, rlfnu,can Society of Agricultural Elr'ireers, Paper: 1' umber
942341.
l
[
Rice, C.E. and K C. lSad.avy. 1994, Plunge Tool Dcshp at ii:bnlergecl Pipe
Spillway Outlets. 'l�ransactions of the AS .=- E 37(4):l t 6) 1 I ,i.
FIIWA, 1933. Irlt dGalic Dcsinn of Energy Olissipa[e13 to C- ulven* and
Channels. Hydraulic I'sn_ilieeti.n� Cireuicar I� rnLe; ]•t
OUTLET PROTECTION
NTS
1"

■
f. i fear tlt� i`rutxiativn nice af uccn' s8'lufp5, roots, ]oast 10''hf Wrd °flier
Construction
E+fF;eGtional?ldsiafat�rial, w
Specifications
213 W
2., E:acav'ate; the cxos s :don to thu Iillws avail "rades of Inc foudda 4lotl of the
knor as shcomi, pit die plans. Bf4ip over-e ar�dted areas to gtad� i 'lees [sin
ih� thicksiess of the liar or by b:a�filtirig avidl moist soil ci)rlapWed to dse
ddrisity i f dl 5r rrlsaitldiag material.
-111i1 �illl- d 1=1111I-11111.
1 Concrete RniDgs:
• Piao, concrete linings w Lhe thickness shaevil. ail ih ; llatas jd ilai:>kt there � 18" =111ll �— �a 6—11111=1II I1. 4" to 12"
in a svurknfil:� ruler. s"——.,.;o�;a �•::ea'.-f�I= i"'
I`<a&ttadeau;itepreizautiovsioprotect €'restzlerplatced concrete 6ainextreme —nEl€ 31E11 llil, — GRAVEFILTER BEDDIABRICNG
G
GRAVEL BEOUING
Wimp oraaiuyes to ear we proper ckriag.
• tare [hat sltbecadt i�; moisi'Mital ccalctete is po td PARABOLIC -SHAPED WATERWAY WITH STONE CENTER DRAIN
• Inzill lcaanditiun brains or weep boles w4pre Ilzeded to pluteci wasia st
upliftand piping•
• Provide tramverse (wrauto4riittr€z crackirdatsplr©�itrratelh
2ts-feet intervals. These joitlis way fornred bt , t!sitlf; a WI -4161 Net
removabh� timiplate or by sam iw, to a depth of ?a least 1 snail,
• histalTextalLlsicriiairlrsatintcnalsoat to"N.Crod10t)feet. � I��_V1111-11111— —
d Reek ii ra iinin : Piarke 0 13 R xcrt
(SHAPED BY BULLDOZER)
W
p p r^• 1 1$" _III= — 111��`=iEIII0— lr 4 40 1 �,
5..Place filters, b d€iila's, and froundatioir drairys to (flaw aill ,giad� iri dte li _ �I II11
_ _
12,
wwinei specified. Place filter mid bedding mate€ials ills€sl�dia1 1 �i�r shape 6" —�I=-YY€1� — FILTER FABRIC OR
prep<ratier. For synihedc Filter Cibriea. overlap die ciciaa°nsts'ect n tafg€s ° at � =11� t=,fill GRAVEL. BEDDING
least l2 imdies as'ith the ilpstremn adgt; whicii is hurled a rnininidi11 12 inches
in a trench. -See fwmre 6,1 ta, page 6,14,6. `pac c anshoj pilaa uvrry 3 feet
atilnp !kaeall'erl.zpt. 5.prsaigr laIre<a riaisiil mast nnlilay r. WhL111nofe V-SHAPED WATERWAY WITH STONE CENTER DRAIN
than oni� g;i4dation is retitiiitd, Elpiear3 thv l [tiers aft There zs n.irlirl?i� n iirg. (SHAPED BY MOTOR GRADER)
Filter material should 6Unsist of at least 3 ine Iles of maleria l Uri "ill sides oi�
tilt dmjn pipe. 'the draairi pipe conduit shoidd be a wivimun oM inches in
diwncier. Accep[able matetisis hirhide peffbralcd, c ltintfcus, lased stint -
e's ri ialirs of city: c altcrctc, rtlt ai. plastic, ilr aloe€ slit€able sitateli[ (i'ritctice
9; , >iuiisurf�c's 13r�ainj,
TYPICAL RIP RAP CHANNEL
6,
0Perform Lill rhatratel construction :o keep erosion d ts'alcr pollution
W a r€airiir€wn, trrtlncediately Capon Cw11j1Ie[kxa of cite channel, vegetate all
dtstai.aEstiiaras orcth�rsais plct€ctthe€a3ag iistsoilEIC}${A?u, w1 rechajulel d W =I Il
corIMsrartion will tick€ lonfp t 01an 30 days, shtdtilize chwme;ls by
Maintenance inspetit chwwols at regular issten,'als as well as after major minx, and rake
' ll�_jlll —_Illfl=1IiEf. �IIII1=1111f=
repairs prorliptly. Give s"cial a€tcation to this outlet and tract sacfiuns autd
of her points where c:vnc=trated flirts ciltcm CarefulN, check siabiliry° a€ road FILTER FABRIC QF2
cr°ssmgs, act Iook for indicationi of piping, scvalr hoies, or bank failures. GRAVEL BEDDING
Make tepaias immediaiely. NIxt€taiga aft vegwwioa aijacerti 10 the rlaann.et in
a heaitfay, t i (),this € onditign to proii:> t the sreaa from etession wij sour €lurid;,,
flow TRAPEZ00AL
Longitudinal anchor
trench
Stake at '-'
intervals
t €at 2'
=. t ry als
Terminal slope and
channel anchor trench
}
Intermittent
check slat
}
Construction 1• Remove all trees, brush, sturnps, and other € bjQcti€ mile tnatterial from the
Specifications foundation area, and dispose of properly.
2, la.xcavate the channel, and shape it to neat lusts alai d.i.tl.lot.lsions shown on
the plans plus a 0,24bot overcul around the channel. perimeter to allow for
btdking during s�edb€:d preparations and soil buildup.
. Remove and properly dispose of all excess soil so that surfacc water inay
enter the cliannel freely.
. The procedtlre ki5 d to establish grass in the channel will depend upon the
severity of the c ondition.s and selQction of species, Protect the channel with
atulc,h or a temporary lirwr sufficient to withstand anticipated velocities durinc,
the cstablishment period (Ajymndbc 8,05),
Maintenance Dunn thQestablishnwntperioc4,aftereveryrainlall,
After grass is established, periodically chvc k the channel, check it alter every
heavy rainfall event_ Immediately mike repairs. It is particularly imp€ariatltt€a
check the channel outlet and all }road crossingfor bank stability and evidence
of piping or sc:ou.r hoics. Rctatt_ vo all significant sedbuent 4acc:ttmulattiolls to
mairatal.in the designed. catTying capacity. Keep ffiv brass in a healthy, vigorous
condition at all times, since it is the primary erosion protection for the channel
(Practice 6.1 f, Permanent Needing)�
GRASS LINED O'IFEMpr4'0'u"'RArm"Y/ur'-4ERMANEorlloT
I 10 N D I
NTS
Figure 6,17d Temporary Channel .i ers-, Washington State Department of Ecology
Excavate channel to design
k 7­1v l fap €alit. grade and cross-section 2.4
3 �
t
Design depth q' >r �_
Longitudinal
y r / �✓ �� rsa v r >
; � E ^-^z ✓F✓ � "',,: OP ' anchor trench
vercut channel
during seedbed preparrztiart
Intermittent check slot
Shingle -lap spliced ends or begin new
Typical installation
with erasion control
blankets or turf
r irlfor°cem nt mut5
Longitudinot archon trench
NOTE.
1, Check slots to be constructed per manufacturers specificalons.
Staking2. ��staplinglayout per fYf�:�f��t�`k � specifications,
I 8'.�.
e.:
.��:1✓,.�y a x
� f 3 a r
r
pp C` @ yy �,g: before t�3..i� is C# bi`tta €'tT � t� C3�'
y�/+ the
�IC� e surface «fir all d,7� smooth �+� � �
ay .
.,,../y.!.. / ;:�°oe: .: r'?:? �'.s ,...,..,z ..✓..,. ,� ,>v;;sir°�r.,,., ,.,a.�.,, ..
gg„„ [�
¢ {,J
,�„t for proper It :`�ri.yecslope,anchor up -slope a�g i the berm.u,.
> .. ✓,�°, ,:». �. ... �i.. c..r .. :::;�E>:;�:: .�.� .wain .�` ...,.✓. ,'a .,
,:, /' '° ;gin✓.N,�k✓�°.�;.;-. Y� ,::',✓'E��, ...,. �::•: 1�::2'%:;^.^s=,.�.,.a.<E::: ^- �... .:✓. x a..�,�,',�.;. �si.:i. ^:".ia*ea»/i,.%.,,;.oi rye;
r�y
Stapling pattern a5 1. s rca� in xtlr. 3�� � ch
averl
�Y ,:'. ,�,i ,�f�/�u'r°4n=gA.
e'manufacturers ard alat 1intervals.
.-.✓^°oyBi�
d
4 - .J
recommendations. �
, ... °, rde� dE„.. °....... .... ..l�r: e.,.::E.,....._......,.,..r,,,,,.°.°... .:/ rv¢ ... ..:s�Y.°.. °.°. »:.x._..,,.. ._!:✓.,...,.
'.„ i°.,,. r.,E:°:/°.1:;,4�de�,'m°.�,�^e�vd•1.'`s:mP'�ef.',Lf.2.,'f..,.f:4-a«:b<..'/..l<....y< °..^ °z.¢a:..,..."..^l;. x ,:,
Fg 4 Ge;C""v: /`,'/,f�:".�,�;r._3.-,. n=_�.v., ».:.�-.:,.'✓➢.
"
,✓`
-� Min. 6 €3Vd"f-a'
f
.,•z, .:ems:-:;....�.: �;'-
,:h„ .x,
Eta:: w
r
.4
.�. ,...°.°� ...: �
........<..,. , .,, ems.,....,_......, ....
s M
.. .E ..'Y,. «':5.. .. ............Sat%,....._,« .. ....... .....s ... t ..:
:,..trot ,. ,.-.,.<:-.,.e..,.<...�%..r.................._. n.,. �... .:.. ,,._. ....,. 5 ,... 'c` .. t „l
Sring material down to of level area,
NOTCS.
o not stretch b arikets/matt'i g light -allow turn the end tinder 4" and staple at 12"
1. Design velocities exceeding 2 ft/sec require temporary blankets, mats or similar liners to protect
the lolls to conform to any irregularities- intervals,
seed and soil fa ith vegetafion becomes steablished.
i
Lime, fertilize¢ and seed befor.. installation. tion. Pl arcing
. Grass -lined channels with design velocities exceeding 6 ft/ser- should include turf reinforcement
For slopes less than : .l , rolls
of shrubs, trees, etc, should occur After installation.
mats
may pfa d in horizontal strips.
f
q
TEMPU. RY LINING .; s:
on
DIVERSHO"N DITCn
NTS
Construction Cougtruction
Specifications t i properly d is�`a , if` ilia property° installed; It 's ixill probab.ty
1101 function as desired, proper instaflaiiosn is impenaative. Every if properly
installed, if not proper y timed and nourished, ve e anion will probably not
grow as desired. Proper seed/vegetation seleoio€a is also imperative.
Grade the surface of installation areas so that the, ground is snaooth and loose.
'hen seeding prior to installation, follow, the sf ps f(w seed bed preparation,
sail arn*endinents, and seeding its 6,1. All gullies, rills,
and any other disturbed areas must be dirty rad€�d prior to installation., Spread
seed before fi C.P installation, (ftnporfant Remove aft largo rocsks'. d.it-t clads,
swr ps, foots, t s clunlps, trash, and ocher obstructiolis golf the sail surface
to allow for direct cos act bet'�v en the soil .surface and the .EC'l? j
Terns nai anchor trend vs afro required at REC.P ends and ilaterrraiiteaat trenches
must e r�nsEructed aacrca,s� chalnrr�la Rat ��-fo;ot irzl t-vaa,ls. Terrrlirlaf mclaG
trenches shotAd be a mini uni € l- 12 inches in depth wid 6 inches in v idtha
while interrraittent trenchos rued %e, only 6 i€':elms deed aEld 6 inches wide.
1jistWiation for Slopes place the RECP 2-3 fcA ever the top € f di.Q slope
and into an excavated egad trench tta nri g, approximately 12 Inches deep
by, 6 inches wide. 111ri the RECP at t foot intcry ds along the botioni of the
tretich, backfill, and cut'ripact. Umolt the RECII down (or along) the slope
iaaaintaining direct contact ba�V wen the soil atlid RECR Ovedap adjacent
toils a trlinirnirtm of a inches. Pin tlae RECP to the ground lasing maples or
pins ,in a 3 foot center —to —center pattern. :Mess frequent siapl n /pinning is
acceptable on mo erate slopes.
Installation in Chaftnells— Exeavaw tern al tren&zs (t 2 inches deep and 6
inches wide) Across the channel at the upper and lower end of the linv,d channel
sccdotls. At ?-foot intervals -Jong the clasaav 1, anchor the RECP aca`oss the
channel either in ii inch by 6 inch trenches or by instal ling tivo closely spatted
roNvs of anchors, Excavate 6 €ncia�s d"p and wide along
tiwrael edges (above water lido) iriwhich to bury lbe outside U edges.
Plaace the first RECP ai flee dta rt8tremi ettd of tht chaimeL Place dw end of
he fifst RECP its ilae totininid trench and pin it at I font intervals idoll'g tlic
bottom of tile to eIt&
Note. `blab R.E(, P should be places upside down in the trench v ith the roll on
]fire cfowlastrx arrr sideoIi"t e
bench,
A
wad y
Once trtrl a
6
1 e� pinned si ba�k€ill�d tl:� 1�.° as cue to '� over tht
t�d b�� wrapping p la � � pp
¢ e'
tea ,af flea E�cerao attad tarlrolllrp rt �streaal 1 ' 1 h• �i i art tllo l tl e � �nllrf�. s 4vader 1
r'�ilP € ' adjacent provided ded r®lls, lace ends of ad 4oceft€ roll i t terminal �l tla teat.
1 ° la � s l terra tn�ll trench, €a� � pp �,
x t
theadjacent malls a ttliiparataraa of 3 iaaches, pies of 1 Blot intervals,e laaaeltfill, ataad
compact Unroll the f.It hr�' upstream dild�tiartt r = €aaE
the first t
" f tttteratlatt�.zat tfettcla, gold the E `p roll on f, back over ltstdlf, oasiti alit day
y�qq 0 ${$,
5 Y X�
the downstream side of the trench, and allowing he mat to confotip to the
trench_
`flea pill the RECP (two layers) to the bottona of the trench, bachfill, and
Compact, Continue 'refs the channel (wiapping over the top of'the i-n'[01 r Uent
tnunch repeating this step at other, intermittent tree h s, until reap ling, the
uppel, terminal trench.
Al the upper terniinaal trench, allow the REVP to conform to the trench,
secnr with pins or stapb� , back -fill, roinpact and than bring the aiat back
over t e top of the french [miff o ntol the exis€ifig rnaft (2 to 3 feet overlap its the
downstrearn direction), rod pint. at l foist intefvals across the C'p. 'inii
starting installaaliarl oaf a new roll, begirt ira a trench or shhi le -fall ends of rolls
a auflialull-i of I feat with upstreaaral RECP Oil top to plower] uplifting, Mace
the outside: edges rat` the RECP(s) inlongitudinal treatises, pin, baacRftll, wid
conipaaot.
Axtchoring Devlces,--1 I gab o., at least d inches len da by Baste[ width staples
or 12 inch minim un—i lesagtli wooden stak es sire recommended for arichoring the
C P to tht ground,
tine staples fit pints so that the tall of the staple or lain. is [bast[ with duo'group
surface. Anchojr each RCP cvety 3 f'eot aloully its center. Loa it dirnaal
overlaps must be sufficient to accomniod.ate as row- of mchors and Piform
,dong the entire length of overlap and anchored every 3 fee Wong thd 9VeflaP
lerl fie. Bolt ergs may be spliced by ovedapping I foot (in tha difUtiori of
vv,ater f o 5°):4 'w-ith t.e upstreamlopslope gnat placed on tote oaf'the doWlLstrearnl
downslope p,ECR 'This overlap should be wichored % I fit spacing across
thQ l E'C R When installing multiple width mats .heart seamed in the f toaf`y all
facatoa , sexils [arid field, overlaps should be similarly anchored.
PER"EMANENT DIVERSION' BERM
NTS
NTS
i
Notes
1, La is the ientgth of the riprap
apron.
1
2. d = 1.5 tunes the maximum
stone diameter but not less
than 6".
Pipe Outlet to Flat Area—
3..In a well-defined channel ex -
No Well-defined Channel
tend the apron up the channel
banks to an elevation of 6" j
_
above the maximum tailwater
depth ur to the top e f the bank,
3d° A -
A whichever is less.
d°
4. A filter blanket or filter fabric
should be installed between
the riprap and soil foundation..
f
Plan
.. , Construction .1' Eni-etpluttile slal}g,fadcfor thetrtmanclrL}'rapfollowsillclecptiitdllnes
r La and grades shown in dic plan. Cullip act uny.l ill required in tilc scat grade to the
Specifications F
l.@I191 t)' t3r tile Silll'OL1L7Clina�_ 11n411.•?.Ciri?Cd I11llterf of _ t.0 i1 dl c afi ]rl the s Llt`� l ar lz call
I�
.1dA5tllrtfel Sell iii ll aISU �. _5ll it v
y � � b uzcrzasirl�t5 the ri xa thsciuxss. I P
E
y The ripr.tp : rfd gn:vel Iilt�r ttailsl colillarii3 to tht sjieailiccl grading limits
ltllI f 5hmvn Oil th2 PI.id,3.
Section
• d -
Filter
AA 3. Filter c:otfl when turd ]mist meet dcsi n rep uirzLiten>s anti to Ya ]e fit
� l
blanket p I
- ;.IL I�:Ctcd ll"ol]] 7L'35Cfllil l r Cca€'.fill dLlllnt' 1t11LJlluFiarr 1�2 ?air atl\' Cttalri t_c t -
r 1 a 17 �
_
.I .�
IQ In ov ing thu Iiprap and. pluci ng imutficr pi,'6� of L7l Cui" uJutll o) ,er the damaged '
-
Pipe Qutlet to Lliell dE-'firL
area. �LII c�rinectin� ui s u I .
� Fit, he i4l overlap so the lei l.tvzr is lttave the ,
.d _ J p } _
Channel
,
nlLniurruii'of l f00i. If Lltztlaznai e i rht nslue;'ieplacy -`
-
the entire fitter ctoth.
4. Ri;', e ]�.t in:t p listed e ul ttttent but I.tk:� c- i - c%
1 r 5 IJV dry lS i Jld 41.lYLla(="lLl°' Lf1C
1 ... � t r .� fl
' e hit i.
fL
a. ..hG t?llrilnlClnl CILL'1'Jl 5�' ? •!
e s 4t he a, Ili ;r_oiiiti'be l 3 fillies tnQ,>;�.I1.,tII1
t. p
_
.L stem: diaulettr.
a
6. Riprap they be fwkl stone.. Y ! ,Aryl quarry .Sti•x.L.. it Sshok ld be -161.1, 1'
--'�
n]�ular, highly at''.atller rctiisiant ird v.-cit maicd. .
�
ll
?. Construct thz apron on ,eke gi adz-tti'ith no ovcr}eLL A the earl fal,.a th.z
Plan
topoftllartiprapatthe dowlIsireumend.level-wiLhtilzreeervin ac�turslhtiy
below it.
S. Enure Hatt the 'apaon is .pwpcily hligned svrtli tIl>? rucivin strednl
and panfeiutily straight illaoughout zts lcngtf] ff 17 cuss a is Ili:ilea t4i Fit site �j¢_
La
Cori d itla:r75, place it II] the Ll"+f7 `r y:LLI[1n C'.Clhv. ,Ipif;l] I '
j. I17111c`ditltzlY att�r:011�tt ElCfli l7 sL�plllze all dlatU71,'41 :iL"eaSl�'Iih 4"i'�i;[l[1oY1 -
(Yntc lit.'s G.IU, Iz,nporu,y 5'zi•dan�, .and f,l 1, L'zriaa:�nelrt SeeifinK). ' .
Section AA
, Ili
a 151slaectril:raguetletstruciules'weeklyLrrd,,Ifterslghiilcant(1/2i
-`tli }III=� Maintenance cl-iorgrealer)
Filter ruintnll ci-enistosec if any uosior arinuld or'below tiro riprap his taken pRioo'
blanket ur if :tortes I:av t fixer] diskldgc.l. ImliicdlatclyMake .all nzeded top2irs to -
Fi¢ute 6,41c Riprap nutict protection (modified
foam Va SYSGG). pL'BV lit furthvr (Lln get -
References
C_1C1a'C'eir3por.try >i:eclirig
G.31.4
tit l 1, 1'elnlarle.nt Set c(Hn,
f.l �, IZil�rlp
Y.[ 6' Dcsion of Rip'nip Outlet Irrotcoiiorl
I ice, , haJavy, K C "Riprap BcsiLli for ripe-Spitivrnys a�t
i <0.?'° Prescrlted atEht Deeembu 13. 1994 Tntertlational `Nintcr
t feeti ig, Amcric<ui Sociv[,• of Aprlciilmiil nginzzrs, Paper Numlwr
912541
Vito C.E. and K.C. Kadkivy, ty�i-t,.Flkwge Fool Design at Sulime.iged Pipe
�pilli',gay'Uut1�L�.-'CruSsui;ticrosafthetiSrl.ti37(��j:Il67,LI73.
FIlLLr�. 1J83. flytiralic �usi;;n otl:nrrgyDissiliLiLers fur Ctllvelts and
mrinels. Etydr=sulic tipninzering Circultr �untter I I.
OUTLET PROTECTION
NTS
C

TYPICAL FENCE SPACING .
10' MAX SPACING
STAPLE WIRE TWIST--
V MIN FENCE STAPLE
WARNING
SIGN .,. ,.. .;..
WIRE CLIPS STAPLE WIRE
1" MIN FENCE STAPLE
1' MAX WIRE SPACING 9
6' METAL "T" POST
0
u
4.5' MIN HEIGHT u
ABOVE GROUND �.
i
1.5' MiN DEPTH
1.5' MIN DEPTH BELOW GROUND
BELOW GROUND
SF SF
LL
CORNER BRACING
5'-1C" MAX SPACING
4.5' MIN HEIGHT
ABOVE GROUND
STAPLE WIRE TWIST=
1" MIN FENCE STAPLE
ELEVATION VIEW
i
1L�(TYp/
SF SF SF SF
CORNER BRACING
5'-10" MAX SPACING
CORNER BRACE
6' x 4" MIN TREATED POST.
CORNER POST
-15.5 GA BARBED WIRE
r�r
LISTING GROUND (TYP)
NTS
2:1 MAX SIDE SLOPES (TYP)
SF
Cn
n
W
n
EX
15.5 GA BARBED WIRE
-6' METAL "T" POST
-6' x t MIN TREATED POST
NAIL BRACE TO POST
USE 30 PENNY NAIL MIN (4)
-NOTCH POST 1" MIN FOR CORNER BRACE
5.5 GA BARBED/ 12.5 GA HIGH TENSILE WIRE IWIST
x 1" x 1" WOOD STICK
INSTALLATION: POST TO BE DRIVEN OR BORED AND TAP,
NOTE: USE ONE SECTION OF CORNER BRACING
AT GATES AND FENCE ENDS
TYPICAL CORNER/BEND
rILI Cr,
FABRIC
NOTES
A) MINIMUM WIDTH OF CONSTRUC`HON ENTRANCE PAD SHALL BE 20 FT
B) STONE SHALL BE 2-3" WASHED STONE, 12" THICK.
C) THE ENTRANCE SHALL BE MAINTAINED TO PREVENT TRACKING OR FLOW-
ING OF SEDIMENT ONTO PUBLIC RIGHTS-CF-WAY. THIS MAY REQUIRE
PERIODIC TOP DRESSING WITH ADDITIONAL STONE AND REPAIR AND/OR
CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT.
D) INSTALL PADS WHERE SHOWN ON PLANS OR OTHERWISE DIRECTED
BY ENGINEER.
CONSTRUCTION ENTRANCE PAD
NTS
i
i
BRACE
TREATED POST FILTER OF 1 INCH DIAMETER # 57 0
WASHED STONE
O
NOTE: j c31
POST SILT FENCE FABRIC TO OVERLAP
HARDWARE CLOTH BY 12 INCHES r y x5
F.-
�`tv"�
STEEL FENCE POST�Fr f,,>
WIRE FENCE SILT FENCE FABRIC HARDWARE CLOTH STEEL FENCE POST
ON WIRE FENCE ON WIRE FENCE
HARDWARE CLOTH
FILTER OF 1 INCH DIAMETER # PLAN VIEW NOTE:
57 WASHED S (ONE USE SILT FENCE OUTLETS ONLY WHEN
DRAINAGE AREA DOES NOT EXCEED 114 ACRE
r AND THERE IS A LOW AREA. USE AS A REPAIR
FLOW DIRECTION x. ,. OF SILT FENCE FAILURES.
W.
r GRADE STEEL FENCE POST SET
HARDWARE CLOTH m MAXIMUM 2 FEET APART
WIRE FENCE
I
SIDE VIEW
- I
-
I
u SILT FENCE
FABRIC
c
♦.�''f
OVERLAP 25i
r $
INCHES �
GRADE
.i,
�i%fi
ME
Installation; Refer to the approved erosion eoittxol plan for location, extent, and J
specifications. If silt fence is not installed corrc ctly the first time, it will have to I r € I' ' I I 13
I I f � 'r . -s;.. -.:I I.I .I , I �
be reconstructed.
Determine the exact lcacatit�rt the outlet before completing a NOTE: u
�1
installation of the silt fence, taking into consideration: BURY WIRE FENCE, HARDWARE CLOTH, AND
FRONT VIEW SILT FENCE FABRIC 6 INCHES INTO THE
TRENCH
1, histallation.at the lowest point(s) in. the fence where water will pored.
Maintenance Inspect sediment fences at least once a week and after each. rainfall. Maikc.any
2. Maximum allowable drainage area restriction for silt fence. required repairs immediately
Should the fabric of a sediment fence collapse, tear, decompose or become-
3. Installation where the outlet is accessible for installation, maintenance and ineffective, replace it promptly.
removal,
Remove sediment.depinsits as necessary to provide adequate storage volume
4. Placement of the outlet so that waiter flowing through it will not create an for the next rain and to reduce pressure on the fence. Take cane to avoid
erosion hazard below - avoid. steep. slopes . below the outlet and areas undermining the fence during cleanaut.
without protective Vegetation. Use slope brains ,if necessary'. Remove all fs ncin& materials and unstable sediment deposits and bring the
area to grade and stabilize it after the contributing drainage area has been
The silt fence outlet shall be installed in accordance with the standard detail; and properly stabilized,
the approved erosion control plan.
S�O�E
#57 STONE ��;"CO- NTS
GO
2.0%MIN SLOPE 3'y,5�Nd
�S3D SCOPE 4 0% MAX AX SLOPE
DISCHARGE LINE
FROM PUMP
OWN
TEMPORARY INTERNAL SITE ROAD
SEDIMENT FILTER BAG
(BAG SIZE. BASED ON MANUFACTURER'S RECOMMENDATIONS)
LAY ON 6-12" THICK BED OF 2"-3" DIA. STONE
NTS
STONE BED TO BE RELATIVELY FLAT
curs
SEDIMENT FILTER BAG
1
SEDIMENT FENCE INSTALLATION USING THE SLICING�IETFiOI�
Instead of excavatin a. b=c . � placing fabric and ttrelzbackfrlling trench,
g
; .
NTS
is is is is is is is S is
sediment fence may be installed using specially designed equipment that
j
inserts the fabric into a cut. sliced in the ground with a disc (Figure 6.62b).
I
s' MAX.
NOTES:
If tallation
'.The base. of both end posts should be at least uric foot higher than the
STABLIZE AND SEED ALL SLOPES PER NCDEQ STANDARDS
5p� IG�ll�rlS
middlecsfthefence. Check with a level if necessary:
FOR TIME FRAMES FOR DENUDED SLOPES
1 Install posts 4 fectapart. iin critical areas, and 6 feet apart on. standard
INSTALL SILT FENCE PER SILT FENCE DETAIL
applications.
3. Install posts 2 feet deep on. the downstream side of the silt fence, and
as close as to the fabric, enabling to the fabric from
MIN. 12-1r2GA.
MIN. 10 GA.
INTERMEDIATE
possible posts. support
WIRES
TOPSOIL SHALL BE PLACED WITH : MAX SLOPES
upstream water pressure.
LINE WIRES
ALL SLOPES SHALL BE STABILIZED AND PERMANENTLY SEEDED AT 10 FT HEIGHT
4. Install posts with the hippies facia awa from the silt fabric.
p pP y
SI
IN"TALL,
FEN
E FAB
TO S
IC
CON
5. Attach the fabric to each post with three ties, all spaced within the top 8
WIRE-FR-CM
TO
inches of the fabric. Attach each tic diagonally 45 degm4s through the: fabric,
(TYP)
with each puncture at least l inch vertically apart.. Also, each tie should be
GRADE
-_
-
_ -
_ -
_ _
_
positioned to hang on post. rt le when ti tuned to lvvent sagging.I„I
p P pp P
I III
i f I I I T_l; l f l 1„I I! I 1„I I I I I I; l l l I� I f l i ill f l=„ I I I L i rl lT I I
� -
TI I i Fes_
- A
1.5'
6. Wrap. approximately 6 inches of fabric: around the cAd posts and secure
g,
MIN
With 3 ties.
A
NTS MIN
7. No more than 24 inches of a 36 inch fabric is allowed above ground
�
II� _
IT
GLASS "B" RIP RAP
level.
I
12" NCDOT #5 or
#57 WASHED ] OHI
11. The installation should be checked.and corrected for any deviations before
II
2.
STONE 's� 24"MAX
compaction,
� It f>�-
FRONT VIEW -�
FILTER FABRIC
Op
FILTER FABRIC fi At CENTER
9. Compaction is vitally important. for effective results. Compact the Soli
itnmudiately next to the silt fence fabric with the front wheel of the, tractor,
skid steer, or roller exerting at ►east. 60 pounds per squaio inch. Compact the
upstream side first, and then each side twicefor a total of 4 trips.
�
A
STEEL POST
SECTION A -A
Maintenance
Impect.seilimentfences atleast once a week and'afcrcaeitraiufaii. Make. any
NOTE:
WOVEN WIRE FABRIC
NTS F
A L B
required repairs immediately..
DOES NOT EXCEED 114 ACRE AND NEVER IN
SILT FENCE GEOTEXTILE FABRIC
INSTALLATION
1. REMOVE ALL
OS�i`�C:�tCB t. k�Cuce st��e-t� ila�.lii1�� �.atd �tiar€�:=��i�,tr� �,i€au�s1 i€1 thy: pf°d�€z can �� talt�r' td€cri::�
�
Sho€11d the fabric of a sediment fence Collapse, tear, de.�ompose or become
AREAS OF CONCENTRATED FLOW
-USE SILT FENCE ONLY WHEN DRAINAGE AREA
UPSLOPE
BERM TREES, BRUSH
#irt$r�datict€�.
effective, replace it promptly.
-FND OF SILT FENCE NEEDS TO BE TURNED UPHILL.
o
Ir
3
4 4
f ERSpecificationsL
EXISTING G 1 ✓ 1
� �
ROUND ; ✓`�N ;��i1�.-XIS. K€ )a it:e c c tie o st�rxa�cca(1[t Ott 1aM�t. t i[€s€ $�1av ta.kEIca f;rci€€�tl Ike
,THE DISTANCE SUCH f THAT POINTS
A AND B ARE OF EQUAL ELEVATION
Remove sediment deposits as nccosssry to provide:adequate storage vCllllt7[le
-1
�
r
❑
�
z -
TING1lNG atilnel 1.1�€I11�S.
ROv �
"tine€�the;€lrintt abuts di
_
ibt nOnc' tClO � . channels atleast e6klyasddOe chsignificant(1t
for the next rain and to reduce. pressure on the. fence. 'Take care to avoid
undermining the fence duringcleanout
FpR REPAIR OFSILT
Z
_ FENCE FAILURES, USE
NOTE 3. I c lire tcillc at Fast 1-5 i�et l� t�$$�i tiac alit la ir$traic.(,t`i a$t ° f_ ,�S:lo t , k. la
inch or greater) rainfall event and repair.inunvdi ly. Clean Gilt sediment
� FOR ANCHOR V1HECN
No. 57 WASHED p SIL
I SEE PLAN SHEET C-2 FOR WIDTH w aier f:ow CCIttfiie arruond this eiich� o dw check dam.
sf a'�r, lirta�, aT ai a r-d�beis t��tc�sld clog ��ie channel w� -a Cla:�:
Remove all fencing materials and unstable sediment deposits and brio the
� rat deli �.-
�
_
�
BACKFILL TRENCH FENCE IS PROTECTING
E
HEIGHT DETERMINED BY SfDE SLOPES. W
area to grade and stabilize it after fine contributing .draitlage :area bas been
I.I
OVER SILT FENCE CATCH BASIN. '.
2, WIDTH INDICATED ON PLAN IS BOTTOM f, [ >as irs i
i 474i1i t€i Cl1$€t`3 to ds"Ut-Q thaL Este ele� "atiol$ kit t]$v Lop of I)1€
Anticipate s encea€rdd assiiianal�or+etlaee>h al tl.er€ ionircain
-
properly stabilized.
y
._
WIDTH. low.cr dal a E ' the a'tSi22t .I: the to 4'i�4'e€ti4311 of tbo-i€pj)s�€' Cis#.w.
3. SEED PER TEMPORARY/PERMANENT
high �L74 �Igiil� 3� # �$ {3f tll� di£liii. R Ct4i t,$l% a, At�l�, �f
si niflca i ert r i cot s between darts„a€�iti l 5 be. taken
� SECTION VIEW
CW N
I
�I
I
SEEDING SCHEDULE ON SHEET C-7. �. fret"t I-Iit, cl mik;l att> r I L towt 1 C11� ck J $a1a it m lwavv flow that �:ouI l
4. NATURAL VOLUNTEER VEGETATION
aach as, -i tai]iza >� []Tot���e riprap ' in that gcs�kl€nrrt �f #h� camel
SHALL REMAIN. INIUsu 1rosiunl
(l itl&e 6.31,Ripe'a�--linemis�.e aved hwj: e1,�).
5. BERM ENDS SHALL BE 4:1 SLOPES LIKE
]r
SILT FENCE
SIDE SLOPES. Ie I gk( sttr� tat. t1 11411z"i�l [ech aIovo the most u lstrczuri d1111 is stabh'
Remove Suhment cu-mulak4 behindthe ,damsas.to pmyent damugo
to damel vegetA49n,augw,1a d7ipg3�t.0
NTS
7.
,
and prevent large saws frorq carriing Ise€liment over. the d%m Add. sWnen to
VEGETATIVE BERM (TYP)chcek &ins. €re. not srlbiett to ct,u t.ic i or bjl )�k,;tL a'rtrnl rtisral=tee i stolws.
. n to an d66 i tight and =sg 3eclltso.
NTS CHECK
DAM
NTS

�i
S'
Temporary Diversion Berm # ° ° ie:e°Te: :r => DA #
....................
Calculate Flow -Rational Method
25-Yr Storm ----- --
Qzs=CIA C=
1={ "e€2lin/hr
Qss = 1,94 A-
Channel Slope== € F ( k
Channel DV2th=
Bottom width= m elg° Im- C1
Side Sloj_} s=
Veloeit ram-- s't€$ em�m e�l�$:
Sow e 0:At�fyita�tr3. ,g Slopes=
Channel Lining
Shear Calculation
T=yds Y= 62A Ibs
ele€e°zi54ft
T= 0.7498 Ibs/fta s= itlO'ft/ft
''$ytawvyf nEt Temporary- ri
Permanent=ernauda
Temporary Diversion//Berm #, ._- _> DA#
Calculate Flow - Rational Method
25-Yr Storm
Qas = CIA C=
1= ?:s.ar.�4;8t1i in/hr
Qz,= 39.53 A=
Channel Slane
Channel depth=el e ' '-iii34k
Bottom width= vlel°e 17fi' .
Side Slopes=,rvw e•:•:•:• ;
V elocitY= 'i`�
Soil Type @a7t itrart slopes=40
Channel Lining
�i
Shear Calculation
T=yds y= 62.4 lbs
dwoeer= em'a'a1.9 ft
T= 2.60208 lbs/ft's= s w:' _'=,i33E ft/ft
Temporary54
Permanent=1idRts
Temporary Diversion/Berm #;''T > DA # 17
Calculate Flow - Rational Method
25-Yr Storm
Qzs = CIA C- € r] 3t1
i !dt Afl m/hr
11.42 A 3 ac
4 ..-..........-...-...--
ChannelSlope=
Channel DepthW ee
Bottom width= eeevE=" and i9 f3Q
Side Slopes
Velocity= d 3
Soil Type sand Slopes
Channel Lining
Shear Calculation
T=yds Y= 62.4 lbs
d_ ees'ee 4 ift
T= 0.5928 lbs/ft,ft/ft
Temporary-S�C�?!FFY+PI�i��Cf�i e'=.'
Permanent rmt�iagrass I
Temporary Diversion/Berm #' > DA tt r - Lr$ ..
Calculate Flow - Rational Method_
25-Yr Storm
Qzs = CIA
Qzs = 18.14 ac
ChannO Slope» °
Channel Depth= 'w"wi it
Bottom width
Side Slo es=
Velocity=glgfl
Soil Type Cy) Slopes
Channel Lining
Shear Calculation
T=yds y= _ 62.4 Ibs
it
T= 0,71136 ibs/tt' s� ' M° °'£9;i15. ft ft
TemporaryStraww/netlIt)
Permancnt 8etrnzacfaara
Temporary Diversion/Berm #
Calculate Flow - Rational Method
25-YrStorm - -
Qs = CIA C d ddQ.3Q
Qz, 77,82 A S SR,ae
Channel Slope=
�annelt3etth_-___ �41
a.aa�z.e,
Bottom width
Side slopes'
Uelacit =
Soil Type 4W sandli fo r m F slopes
Channel Lining
Shear Calculation
r=yds y= 62.4 Ibs
d
a 9 it
li
T= 1.722241bs/ft' s nl§� �i2lff/ft
Temporary :APLk1Vr
Perma ne n t=8errii�itf��C�SS_°€l' roSGis°
Temporary Diversion/Berm # 4 > DA # „ gq
.-......._..�-.�.... - ..x..,r
Calculate Flow - Rational Method
ZS-Yr STOnl�
City =CIA C- C? Q3
6.80 A=if:'sY0 2;ID;a
Channel Slope=:...........„,;
Channel Depth=
Bottom width . He N € €":TJ
SideSEopes=mi°�m� €3,r;iSY_
Velocity='8
Sail iYpe sag dy j prc _' Slopes C} 1fl%
LhanRel Lining
Shear Calculation
T=yds y= 9 62A Ibs
duce Mpg ���Tt
T= U.49296 Ibs/ft' ft/ft
Temporary Straw uvfr�et+pg
Permanen[-:f��rrtivcla�rass:>°�` �," 6
Temporary Diversion/Berm => DA # >W=(f
Calculate Flow--Rationai Method
25-Yr Storin
Qzs = CIA C=
QL = 11.02 A .._...... `= ec
Channel slime" i'3e(30
Channellgepth= °es-,t7Q
Bottom width=
Side slopes,_ 8Ct
Velocity=
Soil Type 0santf� axrt,.,, Slopes fl 1!3°._..--
Channel Lining
Shear Calculation
T=yds y= 62.41bs
Ei"si3i&iEiaEdEFE �»
T= 1-44144 lbs/ft'ft/ft
..
Temporary :5itarniyy/i1fttY5ig .... s
Permanent= Seamutiagra W ems
Temporary Diversion Berm #?;"w iA.- °', _ => DA 4 v
Calculate Flow- Rational Method
25-Yr Siarrn
Q,,i = CIA C- f e v :A.3d3g
tlz5 = 15,88 A= e{Ee4i0;ac
Channel Slope= �mm v.-">165C�i
Channel Depth= 2 ............
Bottom width=.._ _W.m. ,; m
Side Slopes=_ Ll.
velocity=
Soil Type @ sSlopes ;€T
Channel Lining
Shear Calculation
T=yds Y= 62.4 lbs
ft
T= 0.94536 lbs/ftz`ft/ft
Temporary rstra}pryy�pdttip� �" =i
Permanent i�eratusfasr�&�€'<m��«:
Temporary Diversion/Berm FI',,,,-z => DA # fl:...-
Calculate Flow -- Rational Method
25-YrStorrn--4-- -
Qzs = CIA C= ,` N" 0-3,R;
I ]4 8Q injhr
.ef
Channel Depth= m 245
Bottom width-
SideST_...i02es=_»,
Velacrty � 4 �;
Soil Typpe_-a�3 Andy loam, Slopestf tiT
Channel LiniM
Shear Calculation
7=yds y= 62.4 lbs
ft
tl:E2,
T= 0,9'734<j Ibs/ft' s= o,`.-`'o ft/ft
Temparary�36wy jotl if}
Permanent W*W-,grass
Temporary Diversion/Berm _> DA # 'Ba >[iggA
Calculate Flow - Rational Method
25-Yr Storm
Qv w CIA C=
1= ed ie;1C#;Q in/hr
Qz> 4.s4 A n.-14;(i€ ac
Channel Slop ergm_i;;;:fiU
Channel Clepth='=:"i�i.�W
Bottom widthm
Side Slopes-;em`e`'8 ia�',�1U
Velocity, 4 7
Soil lype saredylcr slopes 11tt... M
Channel Lining
Shear Calculation
T-yds y= 62.4 Ibs
,a v
T= 1.0296 lbs/ft' s= = ft/ft
Tempo ra ry=. yetr?i uk[rIig in;"`
Temporary Diversion/Berm It ;, > DA # 11 m oa
Caltu ate Flow - Rational Method
25-Yr Storm
Q25 = CIA C ...........
111 'V in/hr
Qzs = 4.54 A .........i ac
Channel Slope=
Channel Depth
Bottomwrdth-,r,
Side slopes
velocity ys
soil Type @ sarjdy 84di1 e Slopes=,Ffq :....
Channel Lining
Shear Calculation
T=yd.s y= 62A lbs
d„.t. xx =''U%ft
T= 0.24024Ib5/ft2 s= ©¢Q ft/ft
Temporary-StraltWizettut
Perm anent-,xlUiaras en
Temporary Diversion/Berm # .e.12. _» , DA #
Cal cuiate Flow - Rational Method
25-Yr Si Orin
Qzs = CIA C
in/hr
Qts = 11.99 A=
Channel Slope=
Channel Depth- €E°`° °°i °` ii
Bottom width --
Side Slopes-
Velocity- ; m'w < 4 66'
Soll Tvpe �i tfy loailr Sla es- U ID° P! N
p
Channel Lining
Shear Ca€cu{atir n
T=yds y= 62.4 Ibs
d. arEr=d's e ne.S9aft
T= 0,85176 Ws/ft' s > QD eft/ft
Tenporary= IIW.:ktttian$.
Perrr�arrent=eL�i•i259;fd��t�SS:�:W=a "";

C
C
U

DJ Skimmer Basin # 5i ft
Velocity- 0 ft/s
Skimmer BaJn.# DA #
.
Weir Lining
Calculate Flow -.Rational Method
Calculate Flow- Rational.Method
10-Yr Storm
25-Yr Storm
Shear Calculation
10-YrStorrn
25-YrStorm
C
-CIA
1=,CIA C=
CIA
C= �Cio L
.
T=yds Y=
62.4 Iles.
Q10 27.4752 A
31.104 A=
0.9 ft
Q10 28-62 A=
Q25
t
32.4 A=�
T= 0.5616 lbs/ft2 S=
0.01 ft/ft
Calculate Required Surface Area
Calculate Required Surface Area
Use Class A Rip Rap
SA=Q25 X 325 sf/cfs
31.104 cfs
Skimmer Sizipy,
SA=Q,, x 325 sf/cfs Qz5 =
32.4 cfs
SA= 10108.8
Calculate Dewater Time
SA= 10530
Side Slopes
Qd=V/Td V=
17280
Side S I
Pond t. Depth=
Td=
�3 2-5 days typ
Pond Depth= ft
Qd= 5760
Basin Dims-
Basin Dims
,-,:,j A.=
Weir= x
10368 sf
Calculate Orifice Diameter
Weir= x
4 6
10658 sf
Top = ", 4,�
13104 ft
Tap x
13430 ft
Bottom
6804 sf
D=sqrt((Qd/(2110sqrt(h))) Qd=
5760
-2
Bottom "'i .... .. . x
7040 sf
h=
1.75
Volume Required
D= 1.816205
Volume Required
VK=Ax1800 cf/ac A=
9-6
Use 5kirnmert
1,8 Orifice
V�mAx1800 cf/ac A=
10
Skimmer Outlet Protection
Vl,= 17280
VR= 18000
New York Method 8.06.5 Manual
Volume Proposed
Volume Proposed
Diameter of Barrel = 4.00
La
1.32 Use 7.5 ft
Vp=((Top Area + Bottom Area)/2)xD Top=
10368 368
vellocity= 2.36 ft/s
W=
I Use 3.0 ft
Vji=((Top. Area + Bottom Areo)/2)xD Top=
10658
Bottom=
5804
Zc)ne= 1
Stone Diameter= Class A
Bottom=
7040
VP= 25758 D=
3
VP= 26547 0=
3
OK
OK
Weir Sizing
V41eir Sizing
Per AutoCad Hydraflow Software
Per AutbCad Hydraflow'Software
L= ft
L= 71-5- ft
D-f t
D= ft
ft
fv 7 t
clwaler� 4'f
31.104 cfs
%S32.4 cfs
Velocity= f t/s
.. . . .. ....
Skimmer Basin H DA #
city=
Ve �o ft/S
Weir Lining_
11Veir Lining
Calculate Flow- Rational Method
Shear Calculation
10-W Storm
-- - ----------------------------
25-Yr Storm
Shear Calculation
'U 4AwM,-
(�,10 CIA C.
QI5 CIA
mm
C=
T=yds
62,4 lbs
E R i
T-Vds y
62.4 lbs
0.74 ft
Qjo 22.037 4 A U-,
Q25
24.948 A
0.78 ft
T= 0.46176 lb S/ft2 S=
0.01 ft/ft
T= 0.4.8672 lbs ft s=
0.01 ft/ft
Calculate Required Surface Area
Use Class. A Rip Rap
Use Class A Rip Rap
Skimmer Sizing
SA=Q2S x 325 sf/cfs Q?-,; =
24.948 cfs
'Skimmer SizIM
Calculate Dewater Time
SA= 8108.1
Calculate Dewater Time
Qd=V/Td V=
18000
Side S1 opes
Qd=V/Td V=
13860
Td=
3 2-5 days typ
Pond Depth= ft
Td=
3 2-5 days typ
Qd= 6CCO
Qd= 4620
Basin Dims
Calculate Orifice Diameter
x ai
8192 s f
Calculate Orifice Diameter
Tap g!;­��-�.'l TN�- �2`z­-K 7­ 6' x
10640 ft
D= s q rt ((Qd/(2 3 1 C5q r t(h))) Qd=
6000
Bcttom x
5060 sf
D=5 q rt((Qd/(2- 310 sq rt(h))) Qd=
4620
h
1.75
h=
1.75
D= 1.853656
Volume Required
D= 1,626577
Use Skimmer
1.9 Orifice
4
Vac
R=Ax1800 cf/
73
Use ri Skimmer
1.6 Orifice
Skimmer Outlet Protection
Skimmer Outlet Protection
vR= 13860
New York Method 8.06.5 Manual
New York method 8.0.6.5 Manual
Vollurfie Proposed
Diameter of Barrel = 4.00
La=
1.32 Use 7.5 ft
Diameter of Barrel = 4.00
La=
1.32 Use:7.5 ft
velQcity= 2.36 ft/s
W=
1 Use 3.0 ft
Vl,=((Top Area.+ Bottom Area)/2)xD Top=
8192
Velocity= 2.36. ft/s
W=
I Use 3.0 ft
zone= 'I
Stone Diameter= Class.,A'
Bottom=
5060
7urie= 1
Stone Diameter--: Class A
vp= 19878 D=
3
OK
Weir Sizing
Per AutoCad Hydraflow Software
L= 0,Tft
ft
879,` t f
24.948 cfs