20230821_Mine_Maps

1967000 1968000 1969000 1970000 1971000
LEGEND
SFweS SILT FENCE WITH SILT FENCE OUTLET (SFO)
PROPOSED INDEX CONTOUR - 10 FOOT
0 o PROPOSED INTERMEDIATE CONTOUR - 2 FOOT
00 Brooks Energy LLC 1195 Beal Road op
Goldston,NC 27252 O Tp-> DI VERSION/STORM WATER DITCH
Brooks Energy LLC
1195 Beal Road 100 YEAR FLOODWAY
Goldston,NC 27252
-PB-��-" - -�� ---PB-----PB--- PERMIT BOUNDARY
_�• LD LD LIMIT OF DISTURBANCE
•��00 BF-25- 25-FOOT PROPERTY BUFFER
State of North Carolina �i�•
C/O UNC Prop.Office CB# 1060 .p$� 100 BF-11 00 �A�. BF-50 50-FOOT PROPERTY BUFFER
Chapel Hill,NC 27599-1060
•�001 BFI�o BF-100 100-FOOT PROPERTY BUFFER
�.p$ ♦ 680 INDEX CONTOUR WITH ELEVATION, (MSL)
vi E R �/i'p$• � �, o ���, INTERMEDIATE CONTOUR
R $•�/-.p$• BASE RING
Y �00•P o PAVED ROAD
o.P$•� � o zao�l o �
�� F' i e ♦. DIRT / UNIMPROVED ROAD
opB-
��•P$' % 2648 0 l ♦� RAILROAD
x x FENCE
X
N PDES Discharge Point .P$'' ,,,
���%�-_- \� _�\ jfi GUARD RAIL
DITCH (WATER) LINE
-- -_ _ _r/i__�i %i/i//' zsa.9 265.3 �e0
' X X 1 SWAMP LINE
'gyp \ i /'-__ _�\`_ • Z Energy LLC
•P]3' / ._.•. 2X Brooks.7 � 1195 Beal Road TREE LINE
500 \ ` OF Goldston,NC 27252
SCRUB LINE
inu -PB-���.PB' 264.8 - � `
a �j
X a 283 2827 2 X z
O . TREE SYMBOL
58.8 x
SWAMP SYMBOL
B
X
BF 1 2Og•g 204 1 256.9 2X•8 af} 28X3.5 E941pment r o BUILDING
y 461
POrk�o Sho C La nd [ 25.5 SPOT ELEVATION, (MSL)
e nd Plant z Xs 9 6
X i�� 207.8 Q X 69.6 " 281.8 CI ( p L \
�j Em 1 ee oo i X
/ - -� x 170.5 l/ ,n ■ X X ° 2ti8.8 265.0 `N\ 25.5
285.2 x ESTIMATED SPOT ELEVATION, (MSL)
f� 11 x 941 sYi`:Y, c_v vv W.E.
Davenport Holdings LLC Q 1 q \ \ \
P g ro ° a Q. " I i O 1 ° Q �o' Storage Area �`�\\\ ♦ O 16.4 WATER ELEVATION, (MSL)
00 822 A Fitts Street o 188.8 0 ,'. VVV _
O Sanford,NC 27330 X 189.1 1 X I A \ ��`�` 00
8 x x II I287. I � E 527194.75o0 66.9 �9 00 N 3042344.51
BENCH MARK LOCATION WITH ELEVATION, (MSL)
°0 262.8 co
.9 X Weldina Shed
Z 25.58
168.3 \O M 1 II BO' % 40' \`\
� 128.X o II 26z.9 X Trailer Stora ■ A 9 WELL (VARIOUS TYPES)
/ l � 10.8 p II e O"`�\`�\\
126.5 .0­
x 126.3 � I / UTILITY POLE
/ x 1z .e I/ 280.9
\� Q 28
e V// 0.6� I Ijl� / x � 281. TRAFFIC SIGN
X ^��� �
ICJ ?I 4 I I o \\ o MISC. / UNKNOWN OBJECT
el/L b 125.5 :..Io 1 l 26
G1 X fJ X \
r x
1X0
HYDRANT
283.0
p \\\\
� S � \��\\ ♦ OO MANHOLE
�! 1 \ 187.4 1 X7 125.7 l% ( 6 �� 2829 GUY WIRE
X
X � LIGHTPOLE
\\ 166.2 68.7 281.8
X 2 �X G `,
pit Re l CULVERT
126.2 125.8 � j( �,_��-i�� 28 o , ser�,oir 0
❑ CATCHBASIN
•
1 X 6 X Qe a 1 1 / � 258.7 283.b �V .5 J ° Q \
x X
I\ 180 126.2 287.4 �y 288•1 O x 215.5 `
1 j 121.6 X X X X.8 X 4 218.7 X
ngs LLC j, \� o 287.3 10 65 215 2 y '
822 A Fitts Street \ x 2 280.8
1 ^ r ♦`
Sanford,NC 27330 1� ° ��/ < x x 261.3
Davenport Holdi `
I )l 1 r I 11 125.7 125.7 171.8 ° ° 28 1 215.2 x Land Use (Affected Acreage)
X \(Ji X 173.3
280.9 1X6 ,� Category Existing Affected
'ED'A ":. /;; i 1 X Acreage
i �� / rr
V _ 215.7
o
� li�/4
174.7 �0
128.5 X ® 289.6
,;��;/!r / ; 128.9 X _ 270.4 X 215.9 2X3 $ Mine Excavation 93.7 Acres
�JI 1/l/)/I�� _ / 1ao x 21s.4 v 1 1 \ �' Stockpiles 38.5 Acres
l � X 27° 282.8 i � � \\\\
�Ij / dl/�� �i//'' X 127.2 174.8 �q 41� X Q O e X p
_ of 261.s _ i i i i i ii�i�i�ill Roads/Office/Scales/
� 22.5 Acres
M /
X
' /' /•� /// /1/r/ f �� / i, I I i i I III I Plant/Shop/QC Lab
X Q 21b.8 1 / I I I I I I I I I
127.1 86.1 3� Q ! I I I I
� \ I X o X /, I I I I I11/ I IIIII o
2 }9 x
/I
(active and stabile
39.3 Acres
O 261. Waste Piles/Berms 27.
�1., i /% ♦ ``-�.=- =,a--- 180 x 128.5 �� O \ 280.0 n III I/
J / 2 2 0 ° 280.5 X 2X1 '�/ + Process Water Reservoir
_ I // n/// 5.0 Acres
i R� //// //✓
129.0 OBS` R
282.5 zes. :SEE Ac'� and settling basins
1 / /
\\t1 �\ \ zX1 - /�
288.9 \\\\\11r-
O 1 1 I / X \\\I\III a 262.8 -\ ���r ,/,///// O
o / ,emu I 313.8 �` zeo.9 /�/// o Totals 199.0 Acres
i �6 �s r \I; " " eX1 a00
CD - _ s09.o x x 1, \,� / ,//,/// O
> ) Q 130.3 291.9
X
1 x / /! r,
New Affected Area
\ i /� ` J . 1 4 X i�� % 351.4 19t' 260.E \\ `�_=%-'i�/! (Add to Stockpiles) 4.7 Acres
85.4 / / X O (�� i/
188
83.1
5.0 X
.
\-
Total "Affected Area„ following Modification = 203.7 Acres
X 85.1 83.5
X x 1111f Total Permitted Acreage - 257.26 Acres
309.3
//,
/I Richard Evan Hardin
3887 Stratford NE Road NOTES: Accuracy Specifications
/// / Atlanta,GA 30342
84.9 '4 !/i//f 1) Contours - Ninety (90) percent of the elevations determined from the solid
fll'. i I 0 x X84.4
854 i ,eo a (�(� f a o X / line contours of this topographic map has an accuracy with respect to
y i a x i �, _ ° o o �f / . true elevation of one-half (1/2) contour interval or better and the remaining ten
2X4 ° (10) percent of such elevations are not in error by more than one contour
8Xs ,h�/��/ii s. t c e �r ° ® interval. In densely wooded areas where heavy brush or tree cover fully obscures
\ e
es.s ill/I 7 3na s41.e / �, the ground and the contours are shown as dashed lines, they have been plotted as
X liii��l+ S X accurately as possible from the stereoscopic model, while making full use of
�I 8X 841 �41i X.8 spot elevations obtained during ground control surveys and all spot elevations
I X X 8)4..5 C /'I� measured photogrammetrically in places where the ground is visible.
e. O
I o
� e Cur n e/
sx'g c�a / 2) This map was compiled by Garland Photogrammetric Services, L.L.C. using
M e3.2 / I, i ° photogrommetric methods. Contours portrayed as dashed or broken lines represent
w tv N r \ 8)2..4 X 83.6 �� coo Q0 6X9 { areas of dense vegetation and should be considered approximate.
83.0
x
3) Buildings are shown roofline only.
/ 326.9 ss0
x
-
'�1 ,,,/ �-\�. � Ste`• � / / � 329.0 �' ^ o
331.1 t3�
4" P osed C
95.4 P . •
Minnesota Mining&Manufacturing
35G.- 14.7 m - -�� re ` 3M Center Street
345 STONERIDGE WAY FAYETTEVILLE,GEORGIA 30215
St.Paul,MN 55144
WWW.GPSHILL.COM 678-977-2947 [e-mail]
\\l\�K\ - /ice�__= curi 1\ ^\ D iaag A a 3 .4 Oy X 4
'210111111\\\\\��' --�% J�E �;_�� --'___ --- Q 34 .9 2 \ 3e__`� r c ve si a / O
O e ii_- _ _/ n / O
O 1 (_J -- - i - -= =_=== s o su i a t O
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roly tree 11 1 i Approved_in 2017 Modification. -�:------------=== ,G, °� r d (0
607 Deep Ri R e \\ 1 1 1 1 L"i�¢- -----_ ' ------ __� � -_- _ I ! Ervin Gray Walls
Sa rd, 27 0\ I ullvt 8'RV P/ova =---_ __ _---___-_- �________- `
PO Box 762
NC 27371
Troy,\\ \ \\\\\\\\\\�IlUlpllIIIIIIIIIIIIIIIII/ll --_===_____-- / • _�� x - ,
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° 1\ 111 j \'\\\\�\\\\`I 1�11�� � �./ ,�• -3�rr�uorf�= /,,L/�Il'I
p \ ` 1\ \ \ \ \\ 415.0 415.8 348.9 I J i
380.8 p° X - --_- -% �� c
Jerry L.Nance
361.4 p�p V1
\\ 400 Nance Road
Sanford,NC 27330
J
\ \� �\\J I �_�-J `a\\\♦�a`�` / o •i •� 0 4 ob C• R\ Roa
\\ � F'z X Q �; �3 X R ett veY 0
\a �\�\c ) O _ °j •P j 04°¢ Gryn y416 Do a NC 2733 Match Line
Detail Page
- pB- to 2 PE pipe ao °s See Sheet 3
150 0 150 300 450
' Q PB e � •i / 0 P veway Access
per DOT Permit
dditional 30' Rip Rap SCALE: 1" = 150'
25 F c Construction Entrance
9 v vrr Ai
Wake Stone Property Company
PO Box190 COMPILED BY PHOTOGRAMMETRIC METHODS
N aa V
Knightdale,NC 27545 Rebecca W.Brown FamilyTrust
p O s a a M o Cj ,y ° O 3037 Wyntree Ridge Way s
Wake Stone Corporation
�a ro .,� paO� ° ° A�.aa 9 �M Raleigh,NC 27606
f. ro o o ar M D R O
e a`
p iv o n0 U U p~ N N Michaeil Jones 6721Knightdale Blvd
k ova waz adz ° Cl
c a v c b v° a v c F° k V Sanford,NC 27330
A Knightdale, NC 27545
q v c y 0! n m a o Z
9
04
4;nN h �a N
gr
MONCURE QUARRY
`O ° u'
Lee County, NC
Mining Permit No . 5 3 - 10
C) 0 Site Plan and E &SC
2023 Permit Modification
DATE OF PHOTOGRAPHY: 03-08-2021 Last Revised: August 16, 2023
Maps prepared by L. Cole Atkins Revised by: L. Cole Atkins
1967000 1968000 1969000 1970000 1971000 Sheet I of 4

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OF
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�-E.� I i -ii��V�%l/, NOW
01 ,
61 WIN
� �
tbmii WM!f
�> �e�►� � o���%ice=- � �i ♦ ��� ♦y�� �
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i IN ft�wm
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� \� \ ��.��> --..�'-% � ♦ / �-�� i-ice �, �-' • _ -
1 • � � � 1 1: 1 - . . 1
•• 111 ••:111 •••111 • II II • 111

1967000.0000 1968000.0000 1969000.0000 1970000.0000 1971000.0000
LEGEND
i�/fii/ 9 N
/j/� _SF SILT FENCE WITH SILT FENCE OUTLET (SFO); B
PROPOSED INDEX CONTOUR - 10 FOOT
/ / O
Oo / / /i i i// �O Oo PROPOSED INTERMEDIATE CONTOUR - 2 FOOT
O
INTD-> DIVERSION/STORM WATER DITCH
I 00
1 %l jl l 1 1/l I o O
100 YEAR FLOODWAY
�_PB_____PB___ PERMIT BOUNDARY
1, , Lo LD LIMIT OF DISTURBANCE
1
Ij,i j%jl�/I O o
, o
BF-25- 25-FOOT PROPERTY BUFFER
111 / lI va S. 3
9 C e BF-50 50-FOOT PROPERTY BUFFER
11 11 1 1 1 1 713 t n a o 341 . BF-100 100-FOOT PROPERTY BUFFER
9 / Sa Or , 3 N 6 680 INDEX CONTOUR WITH ELEVATION, (MSL)
�7 INTERMEDIATE CONTOUR
I jlllll I � D
BASE RING
344.8
/ PAVED ROAD
/ / X
'//I//�/ / �Z / DIRT / UNIMPROVED ROAD
l//1!! 9 r o RAILROAD
0
FENCE
L s GUARD RAIL
I1i11 I ►� Curren Of a DITCH (WATER) LINE
II I
/I III I I 342.6
X o SWAMP LINE
II I 71 I / `9 TREE LINE
111j I
SCRUB LINE
l J i l i / TREE SYMBOL
I ay
SWAMP SYMBOL
BUILDING
//o'l X SPOT ELEVATION, (MSL)
25.5
//R 1
101�11 / 25 5 ESTIMATED SPOT ELEVATION, (MSL)
o �1 0 6 4 WATER ELEVATION, (MSL)
O I 11 71 ® O
O it O 100
j %II i b \ N 1042344.51 BENCH MARK LOCATION WITH ELEVATION, (MSL)
O O E 527194.75
/ / / � ao Z 25.58
■ A 9 WELL (VARIOUS TYPES)
UTILITY POLE
i i to''
TRAFFIC SIGN
/�\ \ 6 o MISC. / UNKNOWN OBJECT
/ o
�I
I HYDRANT
El .o
O MANHOLE
326.9 N ❑ 330 �' F GUY WIRE
X / to'' t LIGHTPOLE
6 �
CULVERT
�o -� ❑ CATCHBASIN
9 329.0 �
I o
LD
331 .1 '� 1 Land Use (Affected Acreage)
I 24 Pr posed CMP
X 318.5 �� 7.1 9 .4 X g y
N Cate or Existing Affected
X o X Acreage
9
BF-5 -50 -5
Mine Excavation 93.7 Acres
Stockpiles 38.5 Acres
I Roads/Office/Scales/
22.5 Acres
Plant/Shop/QC Lab
1 .4 Waste Piles/Berms 39.3 Acres
curi y- ``,_;='"- D inage Area 3 9 4 s X (active and stabilized)
Process Water Reservoir
o .3 BF as F-2s BF-as �` % G / 5.0 Acres
r------- e_-_ - -- for c lvert sizing / O and settling basins
O ---- --- \ O
O
• ac es
/�� C) Totals 199.0 Acres
s o sur e =' -30 _ ;= BF-50 o
00 \ '�ll� 6 n tee / ; g �4w New Affected Area
(Add to Stockpiles) 4.7 Acres
\ r �' ,� 5 ' �pB •� Total "Affected Area" following Modification = 203.7 Acres
p / � F •
•`pB. Total Permitted Acreage - 257.26 Acres
326.5 �' •`pB
-\ X \\ too
�O _ `-------
NOTES: Accuracy Specifications
1) Contours - Ninety (90) percent of the elevations determined from the solid i / �•
line contours of this topographic ma has an accuracywith respect to
"��`�`• X / i i �pB.■� true elevation of one
(1/2) contour interval or better and the remaining ten
\ �� \ -�`" --------- ,__-----=/ �' /' / i i pB*• (10) percent of such elevations are not in error by more than one contour
C �LUR EA___ / / / // I'pdo ■ interval. In densely wooded areas where heavy brush or tree cover fully obscures
----- / B�■♦ol 1 9 the ground and the contours are shown as dashed lines, they have been plotted as
SE'E_ACCU NOTE--___ / / •.P ; 1 accurately as possible from the stereoscopic model, while making full use of
' •SPA•W / i spot elevations obtained during ground control surveys and all spot elevations
measured photogrammetrically in places where the ground is visible.
348.9
360.6 D X ---------------
" %- 2) This map was compiled by Garland Photogrammetric Services, L.L.C. using
° `� photogrammetric methods. Contours portrayed as dashed or broken lines represent
O X / D \ "- ----G areas of dense vegetation and should be considered approximate.
�� 6� 3) Buildings are shown roofline only.
0 o `3
25 O
B9■ \
i -9 / •SpB.■♦
BF 25
o B 5 ■'PB'■♦■.P �� •
O BF-25
� B _ ■ gyp '`p .PB 9 ■�pB'■ �X � �,¢'y
�
345 STONERIDGE WAY FAY ETTEVILLE,GEORGIA 30215
O WWW.GPSHILL.COM 678-977-2947 [e-mail] M0 pB p eYsO o294.E
l
10
BF-25
Xob N
CID
941IDeeV C �? 3
25 O
•■• 0 >�, G foY
F-2 Sa
,D -2 P P E p'
0 F-25 SpB. •■ P �► �Q �O
F-25 ■ B�■♦
25 ■�pB,• ■`pB'■ ,� 12" Ex g c o l l a p s d
o �•♦•.P v CID BF 5 _0' Pav riveway Access
� �• i
5 •� *pB% per OT Permit
CYJ BF' ♦ ♦PB
50 0 50 100 150
B 25 B'■�� .PBS
♦ � SCALE: 1" = 50'
■� p . 'pB Additional 30' Rip Rap
►■ Construction Entrance
COMPILED BY PHOTOGRAMMETRIC METHODS
Wake Stone Corporation
6721Knightdale Blvd
Knightdale, NC 27545
9
Wake tone Property Company
PO Box 190 MONCURE QUARRY
KIlLightdale, NC 27545 Lee County, NC
Mining Permit No . 5 3 - 10
CD CD
CDO
CD o Site Plan and E &SC
1
CD 2023 Permit Modification
Michaeil Jones DATE OF PHOTOGRAPHY: 03-08-2021 Last Revised: August 16, 2023
175 Boosted Lane Maps prepared by L. Cole Atkins Revised by: L. Cole Atkins
1967000.0000 1968000.0000 1969000.0000 1970000.0000 1971000.0000 Sheet 3 of 4

NOTES: pp q ��} I�q
1. CONSTRUCT THE ENTRANCE TO THE SLOPE DRAIN OF A STANDARD 4
C?r-10fr MAXIMUM
FLARED-END SECTION OF PIPE WITH A MINIMUM 6-INCH METAL TOE min.
PLATE (CROSS-SECTION VIEW). MAKE ALL FITTINGS WATERTIGHT. A
STANDARD T-SECTION FITTING MAY ALSO BE USED AT THE INLET. Ber
2. USE AN EARTHEN DIVERSION TO DIRECT SURFACE RUNOFF INTO % SILT FENCE FABRIC z
THE TEMPORARY SLOPE DRAIN. MAKE THE HEIGHT OF THE BERM OVER �
THE DRAIN CONDUIT A MINIMUM OF 1.5 FT AND AT LEAST 6 INCHES sJINIMUlA 1U GAUGE INSTALLED TO SECOND INFLOW Y
Hold-down Stakes LINE WRES MINIMUM 12-1/2 GAUGE STRUCTURE z 78"MIN
HIGHER THAN THE ADJOINING BERM ON EITHER SIDE. 3:1 WIRE FROM TOP a TOP OF DAM TOP ELEVATION OF STORMWATER 0.5'-1'
THE LOWEST POINT OF THE DIVERSION BERM SHOULD BE A MINIMUM OF 1.5' min INTERMEDIATE WIRES \ cll���'11 - - - - - - - - - - - - - - - -
FT y\ 11/
qwl� L`' TARP PROTECTION "' #5 WASHED <
SCREEN ACCESSIBLE THROUGH DOOR I MAX.
ABOVE THE TOP OF THE DRAIN SO THAT DESIGN FLOW CAN FREELY D
DITCH AND BURY TARP VENT =���� STONE
ENTER THE PIPE. f� k_jI- �1 7
(D Cg�yDE EDGE(MIN. 12") m
_ �
3. PROTECT THE OUTLET OF THE SLOPE DRAIN FROM EROSION WITH - �='=-�� _�����111
RIPRAP DISSIPATOR. (Jl _ I EXISTING SLOPE �% - - - -
10' Spacing SKIMMER -III III -III-III IIIIII
Cl - DEWATERING EMERGENCY SECTION THRU WEIR
DEVICE SPILLWAY #1 RIP-RAP
VARIES
Plastic I'llI'll -IIIM1 1 11 1I 1- FRONT VI E1N SIDE VIEW
Corrugated Inlet
Pipe �` � 1
STEEL POST EXISTING SLOPES
W�,w BAFFLES
a A,'I,H NOTE WOVEN WIRE FABRIC PLAN VIEW
`1lO '.".''"'%O`I,'''W""✓ """ �,,,,, L USE SILT FENCE ONLY WHEN DRAINAGE AREA SILT FENCE FABRIC FLOAT _-III-III
Stabilize - I I '""O \Ii DOES NDT EXCEED 1/4 ACRE AND NEVER IN FLEXIBLE JOINT - I III
(1, �N* �)'.AN" `"')/ RADIATOR HOSE I-III-III- CONSTRUCTION NOTES:
Outlet r""""`\7,w^' "a^ / AREAS QF CONOENTRATED FLOW. � 1' MIN FREEBOARD TOP OF BERM { ) VARIES Ill Ill-, o � "V ,vuw"' 3-O- BAFFLES STD _ T, 1T,
1�` Y4M""� AK"' )/ FILL SLOPE INFLOW ( ) EMERGENCY II HEIGHT & WIDTH DETERMINED BY
\E�" 2. REMOVE SEDIMENT DEPOSITED AS NEEDED TO 1I-
°"" ow,1, PROVIDE STORAGE VOLUME FOR THE NEXT RAIN P&" STRUCTURE SPILLWAY EXISTING TOPOGRAPHY AND
(�O�Z r„a�.,•" y,V+ )/ 7 SKIMMER ELEVATION OUTLET END: CONNECTION -III-�- -�
sU�U , „ AND TO REMOVE PRESSURE ON THE SILT I s TO OUTLET PIPE OR RISERA -III=III- - SEDIMENT STORAGE REQUIRED.
*NU,hv y)/ FENCE. 1 yr.r:',: BARREL PIPE LONGER THAN SHOWN. -III-III II-�
f =I11_ _ 0.5'-1' III- KEY RIP RAP INTO THE DAM
III
a
I uiI.NNJww1�), 41-111 n �:x"*�� GRADE /��
_ _
IIIIIII1 r4 DE ATERING
7„A " -• ZONE =1 =1 111111= FOR STABILIZATION.
4' min ""�'^ 7J„e v"w " MIN DISSIPATER Li -111=1n/ KEYED RIP RAP
level section w �, a
rr"-l"I'•,1,..),,..� ,,),, 2'-tl" PAD
a,m,. Y,vAv"�+.� l•" EIACKFILL TRENCH AND COMPACT RIP RAP >
r+""..• dlµµ'01" '"�^' o e,,,,.•.,,.. .-. THOROUGHLI' _ -_-
rw""°" 1,0` v�/ '"W, �;IV
lA N INLET SHALL BE CMP OUTLET PIPE - - - - =III�i\d y. `4_,_.•.,,..•.., PROTECTED (AS NEEDED) CROSS SECTION 11,�1111=III=III=III 1 #5 WASHED STONE
II I I-1I1=111=
fIVA1V FRONT WITH I VIEW
r.< u,l.,"A/w,1 SIDE VIEW FROM EROSION MATTING OR II
,,�a.�W,b,.�.� <��•1y• EQUIVALENT. EXISTI GROUND
Cross-Section View "�" Nc
Plan View T NOTES:
i STANDARD TEMTOR R SILT PENCE 1) BASIN SHOULD BE CLEANED OUT WHEN CAPACITY REACHES AN ELEVATION REPRESENTING THAT THE BASIN IS HALF-FULL. NOTE: REMOVE SEDIMENT ACCUMULATION FROM BEHIND STEP SEQUENCE
Standard T-section 2) THE TARP USED TO PROTECT THE WEIR SHALL BE THE WIDTH SPECIFIED. THE LENGTH OF THE TARP SHALL BE ACCORDING CHECK DAMS TO PREVENT DAMAGE TO CHANNEL VEGETATION.
TO AVAILABLE SUPPLY. IF MULTIPLE TARPS ARE TO BE USED, THEN TARPS SHALL BE OVERLAPPED AT LEAST 12". THE FLOW SHOULD BE MAINTAINED THROUGH THE DAM.
UPSTREAM 12" TARP SHALL OVERLAP THE DOWNSTREAM TARP. THE TARP SHALL BE 50 MIL. HEAVY DUTY SILVER TARPAULINS
OR EQUIVALENT FOR U.V. RESISTANCE.
3) PROVIDE A MINIMUM OF THREE POROUS BAFFLES TO EVENLY DISTRIBUTE FLOW ACROSS THE BASIN, REDUCING TURBULENCE. CHECK
STANDARD TEMPORARY SLOPE DRAIN 4) BAFFLE MATERIAL MUST WILL
SECURED LA THE BOTTOM AND SIDES USING STAPLES OR A TRENCHING E FOR A SILT FENCE, STANDARD CHECK DAM
5) MOST OF THE SEDIMENT WILL ACCUMULATE IN THE FIRST BAY, SO THIS SHOULD BE READILY AVAILABLE FOR MAINTENANCE.
6) DURING THE CONSTRUCTION PHASE OF THE PROJECT, PERMANENT STORMWATER RISER SHALL ONLY DEWATER FROM THE TOP OF PIPE,
7) POND SHALL NOT BE CONVERTED FOR STORMWATER USE UNTIL APPROVED BY ENVIRONMENTAL ENGINEER.
_ 4'MIN. SILT FENCE STANDARD SKIMMER BASIN STANDARD SKIMMER DETAIL
NOTES:
1. TEMPORARY DIVERSION DITCH TO BE USED TO INTERCEPT FLOW AND/OR DIVERT TO A SEDIMENT CONTROL MEASURE OR BMP.
2. SILT SHALL BE REMOVED WHEN DITCH IS ONE-HALF FULL. Top OF SILT FEf+CE
3. DITCH SHALL BE RECONSTRUCTED WHEN DAMAGED BY EQUIPMENT OR COVERED BY FILL. n,sr BE AT LEAST i
4. STABILIZE DIVERSION DITCH BERM WITH TEMPORARY SEEDING, MULCH WITH TAG, AND/OR EROSION CONTROL NETTING. iH�EVrAHEDTSiLI�E CONSTRUCTION SPECIFICATIONS MAINTENANCE REQUIREMENTS.
1. Clear grub,and strip the area under the embankment of ail vegetation and 7. Earthen spillways-Instal]the spillway in undisturbed sail to the greatest Inspect skimmer sediment basins at least weekly and. after each signifiant
NOTES: root mat. Remove all surface soil containing high amounts of organic matter extent poss>,ble. The achievement of planned elevatFons,grade,design width, (one-half inch oT greater) rainfall event and repair immediately. Remove
FRONT VIEW 1. BAFFLE MATERIAL SHOULD BE SECURED AT THE BOTTOM AND SIDES I�tld stockpile or dFS}y�ySt4 D it nT4yy('r] Haul all 4l}eCttoriabfB material to l'fle and entrance and exit channel slopes are critical to the successful operation
35%of USING STAPLES OR BY TRENCHING AS FOR SILT FENCE. p 1Pa !` Y J J s� 1 rr*L 11 L L� seit]1Crtt at](] restore the basin to 1t5 original di3`nCi]siUtt �iV11Cri sediment
_ 2' MIN. STEELFEflCEoos �ktl_r.T basinsurfaceare" 2. MOST OF THE SEDIMENT WILL ACCUMULATE IN THE 1STBAY, of the 5 iflwa lilei $ 1LW8 Should LTG lieu with laininated plastic or
u FILTER FABRIC. WHICH SHOULD BE READILY ACCESSIBLE FOR MAINTENANCE. designated disposal ace`s. Place temporary sediment control measures below P Y' P �' P
- WASTE MATERIAL-COMPACT, AND HRRDVARE 3CCI3EnrrlafeS t0 one-half ties height UE the first baffle. Pull the slcirnrrler to
11- F SEED & MULCH AFTER VW FENCE �TEEIL
POST
CLEITH IN TPDXH Is,Ceu zNJCe11 3. PROVIDE 3 BAFFLES(USE TWO IF LESS THAN 20 FEET INLENGTH).PROVIDE im enneable otextile fabric, The fabric mast be wide and Ion enoughto
25%°fbasin 25%Gf basin 5 BAFFLES FOR DRAINAGE AREAS GREATER THAN 10 ACRES. basin needed pone Side sU l;ltat the 3edimeri€ utrderLieath it can be excavated Excavate the I < S VAR' CONSTRUCTION OF DITCH HARDWARE[LOTH GQO 21'IHTG SOLI yu 1-area surface area yx�
-I I �Op 2' - 10' \�i
pouNu 4. BAFFLE SHALL BE 700 G/M2 COIR EROSION BLANKET. cuvel"the bottom iX115J srdas and extend onto t]te top of the dittIl7 far attch4rrng5. TOPS OF BAFFLES SHOULD BE 2INCHES LOWER THAN THE TOP OF THE BERMS �. Ensure tftat fi 1.1 material For the embankmcrrt 1s free of mots wa sediment flbll] the entire basin not fist around ill@ sklmtner or the first Cell.
Ill- INLE ZONE OUTLE ZO E } fI V DOTOHE __- -_ ba,fi,surface a,ca 6. INSPECT BAFFLES FOR REPAIR ONCE A WEEK AND AFTER EACH RAINFALL vegetation,organic matter, and other objectionable material. Place the fill in m a nChr 1 he vdg m y l SCeu wtEll S-inCl)Sk i1CS 4r pi115.Thy &lar1CMake saes vegetation growing in the bottom of the basin does not hold down
_ must be long enough to extend dawns the slope and exit onto stable ground.
2', VAR. P�' _-_-_-_-_-_- === lifts not to exceed 9 inches,and machine compact it. Over hll the embankment the skimmer.
III-III-III-III-III III Mq 4' - 12' 1 I-III-III-III-III-III-III DN 11-TER G inches to allow far seltleinent. The width of the fabric must be one piece, not Joined or spbced; otherwise
3'FILTER FABRIC
I I-I I-I I I 1-I I r L I 1-I I 1-I I I 1-1 I I water can et under the fabric.If the I-n of the fabric is insufficient for the If maintenance or rernovaI of basin requires dewatering,water wfll either be
I-III- I I I �- �
- - - 1; I' �.� Z 3. Sbape,the basin to the specified dimensions. Prevent the skimming device entire length of the spillway,multiple sections,spanning the complete width, pumped through silt bags as detailed or pumped to one or both quarry pits.
- - - - NpTERIEMOVE SEDIMENT WHEN HALF OF STCNE OUTLET IS COVERED. from settling into the thud b excavatinga shallow t tmder Oe skimmer or may be used. The u er. section(s) should over the lower section(s) so
12 I3" MI 2, REPLACE STONE AS NEEDED TO ENSURE DEwATERING, PLAN VIEW CROSS SECTION ' R it the baffles if they are damaged. Re at9Chor the baffles if water is
UNLESS NOTED 2'_¢. providing a low support under the slcirrrrner of states Or tirnlaer. that water cannot flow under the fabric, Secure the upper edge and Sid flowing underneath or mmind them.
OWN PANE ON 6ACKFILL TRENCH AND ppMPACT SUPPORT ROPE SUPPORT POST
THOROUGHLY TO WIRE TO 24"INTRO BOTTOM �, place the barrel (typically -inch Schedule 4U PVC pipe)on a firm,smooth of the fabric in al trench with staples or pins. (Adapted frrom "A Manual for
CROSS SECTIONAL VIEW PREVENT ISAGGING // \ foundation of irWrvious soil. Do not use pervious material such as sand, Deslgniag,Installing aaid Ma.intainhig Skimmer Sediment Basins." Febnuary, If the skimmer its clogged with trash and there is Barer in the basin, usually
gravel, or CRIShed stone as bacicfrll around the pipe. Place the fill material 1999. J.W.Faircloth&Son.}, ,perking on the rope will nuke the skimmer bob up and down and dislodge
around the pipe spillway in 44ach layers and compact it under and around 8. inlets--€]ischarge water into the basin in a manner to prevent erosion. Use the debris and restore flow. if this does not work- pull the skimmer over to
SECTION VIEW FENCE AND FABRIC �.,1'., 7
BURIED IN TRENCH -STEEL POST ill �7i10 t4$t]P,85t the 5$i#1Py d2riSlly as the$C�]aU"t'il]t11]�}}p�ll�ii] L [`$rP�IIIIiSt temporary slope drains or diversions with outlet protectilan to divert sediment- the side of the basin and remove the debris. Also chock the orifice insidethe
be taken not to raise the pipe from the firm contact with its foundation when laden water to the upper end of the pool area to improve basin trap efficiency skimmer to see if it is clogged;if so remove the debris.
STANDARD SILT FENCE OUTLET COIR MESH OR SIMILAR,STAPLED OR 1
I 2' TRENCHED INTO BOTTOM OR SIDE compacting under the pipe hatutches. (References:Reno,f Contml Mecrvares and Outlet Prlolection)• If the skimmer arm or havrel pipe is clogged,the orifice can be removed and
6"X6"TRENCH, I
BACKFILLED AND Place a minimum depth oft feet of compacted backftll over the pipe spillway the obstruction eloared with a plumber's snake or by flushing with water. Be
STANDARD TEMPORARY DIVERSION DITCH COMPACTED TION vlEw AT OPENING before crossing it with construction egtiipmeni. In no case should ttte pipe 9. Erosion control�anstruct the structure so that the disturbed area is sure i�eeplace the orifice before repositioning fire skirnmerr.
minimized. Divert surface water away from bare areas. Complete tits
conduit be installed by cutting a trench through the dam after the embankment craban]�ent bcftare the area is cleared. Stabilize the emergency spillway
is complete, Y P ' Check the fabric lined spillway far damage and make any required fiats
enThan]�Ienf and all other disturbed areas above the crest of the principal vcnidl fabric that:s arts.the fii11 width of the spillway. Check the ciitbartkrns�nt,
NOTES: p sp y'
so' MIN. d gneetnbll' the skimmer following the manufacturers instructions, or 85 spillway immediately after caI95LTuCtivn (references:Surface St rbidr'zaitr`nfa). spillways, and outlet for erosion dlwrtage, and inspect the embankmeot for
1. PUT SILT FENCE OR TREE PROTECTION FENCE UP TO
BUT SUFFICIENT TO KEEP ENSURE CONSTRUCTION ENTRANCE IS USED. STANDARD BAFFLES DETAIL designed, 10, lasta]]porous bales a5 ecified in Practice b.65,Porous B,,fges, piping and settlement. Make all necessary repairs immediately. Remove all
SEDIMENT ON SITE I� � `¢.1J°
2. IF CONSTRUCTION ON THE SITES ARE SUCH THAT THE MUD C, Lay the assembled skimmer on the bottom of the basin with the flexible trash and other d6ris from.t skimmer aM pool areas.
11. After all the sediment-producing amas have been permanently stabilized.
IS NOT REMOVED BY THE VEHICLE TRAVELING OVER THE pint at the inlet of the lyarrel pipe, Attach the flexible joint to the barrel pipe remove the struetwe and all the unstable sediment~ Smooth rite area to
A - A STONE, THEN THE TIRES OF THE VEHICLES MUST BE WASHED p"p ' p Freezing weather can result in ice �mming in the basin. Some Special
2"-3" STONE TO BE USED 25' OR WIDTH OF BEFORE ENTERING THE PUBLIC ROAD. and position the skimmer over the excavated it ors rt. Be sure to attach
PIPE EXISTING (SURGE STONE OR RAILROAD PROPOSED STREET, P � blend with the adjoining areas and stabilize properly (Rel=erelam, Surj,ace pr>ecau#ion& should be taken In the winletr to prevent the skimmer fxom.
ROADWAY BALLAST) WHICHEVER IS 3. MAINTAIN GRAVEL PAD IN A CONDITION To PREVENT MUD OR a rape to the skimmer and anchor it to the side of the basin, This will be used
GREATER. SEDIMENT REQUIRE
OPELEAVING REMOVA CONSTRUCTION ED SITE.
ENTRANCE
to pull the skimmer to the side for maintenance. Sr°br{ ar pilugging with ice.
- WILL STONE AND REPLACEMENT WITH FRESH STONE.
NOTES:
1. L = THE LENGTH OF THE RIPRAP APRON. (__L
2. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT PLAN VIEW
PLAN VIEW LESS THAN 6" (INCHES).
3. IN A WELL-DEFINED CHANNEL EXTEND THE APRON UP THE
CHANNEL BANKS TO AN ELEVATION OF 6" (INCHES) ABOVE
THE MAXIMUM TAILWATER DEPTH OR TO THE TOP OF THE
BANK, WHICHEVER IS LESS. 35' MIN. 15' MIN. NEW CONSTRUCTION
EXISTING ROADWAY
4. A FILTER BLANKET OR FILTER FABRIC SHOULD BE
� INSTALLED BETWEEN THE RIPRAP AND SOIL FOUNDATION.
PIPE � � \ 6" MIN. I "':W ' 12" MIN. Excavauchwneltodesign CONSTRUCTION SPECIFICATIONS
a Overlap 6"min. grade and cross-section ..) '
=III=III=III=III=III=III= 11it-if,I�IIIT, � RE �!`•s.,' INSTALLATIOtrJ IN CHANNELS- EXCAVATE TERMINAL TRENCHES (72 INCHES DEEP AND 6
=Ill-111-1j=Jll-11- -11=111=fJI=1i � I INCHES WADE) ACROSS THE CHANNEL AT THE UPPER AND LOWER END OF THE LINED CHANNEL
11 111-11I-111-11 d I =111=III-11
=11=III=111=III- -11-111I FABRIC UNDER STONE SECTIONS. AT 25-FOOT INTERVALS ALONG THE CHANNEL ANCHOR THE (RECP ACR05S THE
111111i1111111i 111 1 1 1 11- CHANNEL EITHER IN 6 INCH BY 6 INCH TRENCHES OR BY INSTALLING TWO CLOSELY SPACED
- - k,y ROwS OF ANCHOlRS EXCAVATE LONGITUDINAL TRENCHES a INCHES BEEP AND wIOE ALONG
III=III= a+ Design dwth CHANNEL EDGES(Anil WATEIR LINE) IN WHICH TO nURY THE QUTSIDE REC? EDGES.
II-11==' CROSS SECTION -
, , FILTER �- ;�� Longitudinal PLACE THE FIRST RECP' AT THE DOWNSTREAM END OF THE {:HANNEL. PLACE THE END OF
SECTION A-A FABRIC �T.d anchor trench TTHE
NE0 IDIM IN THE
TRENCH TEN51INAL TRENCH ANO PIN IT AT 1 F06T INTERVALS ALONG THE
Overcutchetnd to x, NOTE: THE RECP SHOULD BE PLACED UPSIDE EaOWN IN THE TRENCH WITH THE ROLL ON
during SEE{lbed preporaT}an THE DOWNSTREAM! SIDE OF THE DENCH.
ONCE PINNED AND BACKFlLLED. THE RECP IS DEPLOYED BY WRAPPING OVER THE
_ _ - TOP OF THE TRENCH ANU DNROLLING UPSTREAM. IF THE CHANNEL IS IPADER THAN THE
- '� PROVIDED ROLLS. PLACE ENOS OF ADJACENT ROLLS IN THE TERMINAL TRENCH, OVERLAPPING
THE ADJACENT ROLLS A MINIMUM OF 3 INCHES- PIN AT 7 FOOT INTERVALS, BACKFILL, AND
STANDARD PIPE OUTLET TO WELL-DEFINED CHANNEL STANDARD CONSTRUCTION ENTRANCE 'OMPACT. UNROLL THE RECP IN THE UPSTREAM DIRECTION UNTIL REACHING THE FIRST
c 5" Typical instailaklon INTERMITTENT TRENCH- FOLD THE RECP BACK OVER ITSELF, POTAT10NINC THE ROLL ON V
YP THE DOVMSTizEAm 510E OF THE TRENCH, AND ALLOWING THE MAT TO rMFORMI TO THE II,, �{I �
wIth erasion control TRENCH. overburden
blankets or turf THEN PIN THE RECP (TWO LAYERS) TO THE BOTTOM OF THE TRENCH, SACKFILL, AND Q =
reinforcement mats COMPACT, CONTINUE UP THE CHANNEL(WRAPPING OVER THE TOP OF THE INTERMITTENT
trench) REPEATINO THIS STEP AT OTHER INTERMITTENT TRENCHES, UNTIL REACHING THE 11 I I `_
UPPER TERMINAL TRENCH- = I III I I I III II I I I 4 �1 �
Intermittent check slot Longitudinal anchor trench AT THE UPPER TERMINAL TRENCH. ALLOW THE RECP TO CONFORM TO THE TRENCH. E. / 1
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH SECURE WTH PINS OR STAPLES• 6ACKFILL, COMPACT AND THEN BRING THE MAT SACK N
EQUIPMENT AND VEHICLE MAINTENANCE ONSITE CONCRETE WASHOUT OVER THE TOP OF THE TRENCH AND ONTO THE EXI5TING MAT(2 TO 3 FEET OVERLAP IN THE 11-I I-I
THE NCGO1 CONSTRUCTION GENERAL PERMIT STRUCTURE WITH LINER DOWNSTREAM DIRECTION), AND PIN AT 1 FOOT INTERRVALS ACROSS THE RECP. WHEN -11I-I I= I /\' \' \ \' \ �� �� �\ �� \ \
1. Maintain vehicles and equipment to prevent discharge of fluids. STARTING INSTALLATION of n NEW ROLL, BEGIN IN A TRENCH OR SHINGLE-LAP ENDS OF ROLLS - - - - I 11 , I I=I - ��,
��/ / / �/ // �/ �/ / �/ �/Implementing the details and specifications on this plan sheet will result in the construction B stiEr7gle-IapaplicedendSor6egirEnew - i i-i - _ \�\�\�\�\/I /I �\�\ .
2. Provide drip pans under any stored equipment. A D ""N ��sepEST�.) A MINIMuk1 of , FO6T WITH URSTREAM RECA OFs TCSA T4 PREVENT URLIFTIN[ PLACE - - - I \ \ \ \ \ \ \ \ \ \ \ �
i E9 k Tat t fn all EntermittEllt check slot III 6 5
r
0s B s W.) aw a'E A ON ,D Nu THE 4UT510E EDGES OF THE RECP{S) IN LOHOITUOINAL TRENCHES, PIN, BACKFlLL AND _I I= IIIIII- ///Yj\//\//\//\//\ \ \//' / Sactivity being considered compliant with the Ground Stabilization and Materials Handling o OR F G2slp LI INOp °GwEFL nGN3. Identify leaks and repair as soon as feasible,or remove leaking equipment from the 1u- s01LBERN COMPACT. _ / / / / / / /sections of the NCG01 Construction General Permit Sections E and F res ectivel The NGE DE OP LINNG ^Noep;E�, ) _ NP) I'7= - \ \ \ \ \ \ \ \( p Y)• ro ect. P .:E Prepare sail and apply seed before _ -I I- III=III \/\\ \\ \\ \�� ��\��\�\\ \\ vpermittee shall comply with the Erosion and Sediment Control plan approved by the p 1 lnsrauiny blankets,matigi 'e� ' _ - Groove by walking slopes -III-III=- ///////// //// �
4. Collect all spent fluids,store in separate containers and properly dispose as A SEGTI�N B-B temPcrary 0i,oa�el liner I Co»terrts toi�,a W11edF tr$W' _ with dozer. Troc cleat marks \ \ \ \ \ �
delegated authority having jurisdiction.All details and specifications shown on this sheet I= catch rainwater, redl�ce erosion, -III-� \/\\ \\' 13edrOCk I \\
hazardous waste (recycle when possible). B m 4 _ - - and retain lime, fertilizer, and seed. -I I I-_I- //// i i i i i // -
may not apply depending on site conditions and the delegated authority having jurisdiction. SANDBAGSSTAPLES SAL LOCAnON DETERMINED IN Ncttir� 5ingtePatype 1pyletlei(railTd ph todegrpdabtel I I-I I I1-1I I= \/\/\/\/\/\/\/\
CLEARLY MARKED SIGNAGE SECTION A-A OR 1. \ \ \ \ \ \ \ \
5. Remove leaking vehicles and construction equipment from service until the problem NOTNGDENCE(,B'K44"MIN.) N°,�s. CLE"RL.N^RKEDSIGNAGE `I`L° i III-III- - /\/\/\/\/ \
SECTION E'GROUND STABILIZATION TMEEcco ATOWA DE�TRSIN�EU n DSLD ALL N0°NG DEW TRD TANEE _ _ �
has been corrected. ONCRE E „B WIN.) ENREsa�T�"A NMgT Thread Ny �> I -I i I-I i Ill-i 1-1 i I- / / / / / / /
WAs„oGT L R IN I{ifl ' /\/\/\/\/\/\/\
RRE MAINTAINED WHTMN TIE LIQUID AND E.PA SO110 WHEN THE OOVID ANE/AD SOLID -----._ _I I -I \/\\ \\ \\ \\ \\ \\ \\
6. Brio used fuels, lubricants,coolants, hydraulic fluids and other petroleum products RAPAa;r;o% E^��y AEG --- _ _ / / / / / / /
EACHES�SR OF E SIRUCNREB CAPACITY. -S
p g y p p ONCRE WABNO T s REC uRE NEE B TO B HOLDING CAPACITY MTN A MINIMUM,z ,- M1M Standard W dttH & t/mil meters(atal$`xlt] -I I -I / // // // // // //
Required Ground Stabilization Timeframes PLAN PLAN HES OF FREEBOARD \ \ \ \ \ \ \
to a recycling or disposal center that handles these materials. `ARV"ARrcED NT GI WAGE"OT" °`wCBE ONCRE WASHOETSROCTRE _ �\ \\ \\ \\ \\ \\ \\
Stabilize within this sicNa c°o INc ocNcc"Rrceo ry - /
Standard Length 113 W f 34-M unteis i , // // // // // /�
Site Area Description many calendar Timeframe variations BELOW GRADE TTO WALE STRUCTURE ABOVE GRADnNOTTO sgour srRucruRE I Area 1'a0 ti3dm I - I /\\�\\�\\�\\�\\�\\�\\�
days after ceasing LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE I - //�//�//�//�//"
land disturbance 1. Never bury or burn waste. Place litter and debris in approved waste containers. Weight(Apprme) l Ibr.113. 1DSJ lbi.Jydl) - _ \//\\//\\//\\//\\/
(a) Perimeter dikes, 2. Provide a sufficient number and size of waste containers(e.g dumpster,trash CONCRETE WASHOUTS Life Medium Term,Approx.I MonMs - / // //
swales,ditches,and 7 None receptacle)on site to contain construction and domestic wastes. 1. Do not discharge concrete or cement slurry from the site. ' /
perimeter slopes NOTES: _ \\�\\/\ j•
3. Locate waste containers at least 50 feet away from storm drain inlets and surface 2. Dispose of,or recycle settled, hardened concrete residue in accordance with local 1,Design aeloctie4exceedingzftlaec require terepororyb$ankil mats or 51m;1ar liners to pro act Use Ss I�wTlow R[Iad�ide t3se �. /
(b) High Quality Water 7 waters unless no other alternatives are reasonably available. and state solid waste regulations and at an approved facility. seed and sail until vegetation becomesesrablished. __ /
None 2.Grass-lined channels w"design veioeeties exceeding 6 ft/sec should Include turf reinforcement Thread Spacing I t I01� I
(HQW)Zones 4. Locate waste containers on areas that do not receive substantial amounts of runoff 3. Manage washout from mortar mixers in accordance with the above item and in mats _ _
from upland areas and does not drain directly to a storm drain,stream or wetland. addition lace the mixer and associated materials on impervious barrier and within I-III-III fqpical Overburden Cut 9ope
(c) Slopes steeper than If slopes are 10'or less in length and are p p
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 an
-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 11 anlj Pit �Onch petalk
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 F90pe betai 5 C not o sea0/ yy1-7 days for perimeter dikes,swales, containers overflow. types of temporary concrete washouts provided on this detail. TqPICA C not to sca o)
(d) Slopes 3:1 to 4:1 14 ditches, perimeter slopes and HQW 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,clean up 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 system 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.
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
(e) Areas with slopes can be shown that no other alternatives are reasonably available. At a minimum,
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 install protection of storm drain inlets)closest to the washout which could receive
there is zero slope waters unless no other alternatives are reasonably available. spills or overflow.
Note:After the permanent cessation of construction activities,an areas with temporary 3. Contain liquid wastes in a controlled area.
p Y p Y 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 CONSTRUCTION SPECIFICATIONS \ \ o / CLASS 1 RIP RAP (SEE SECTION THRu BASIN BELOW)
practicable but in no case longer than 90 calendar days after the last land disturbing 5. Prevent the discharge Of soaps,solvents,detergents and other liquid wastes from a rOVln authorlt A e 1.• 'ENSURE THAT THE SUBGRADE FOR THE FILTER AND RIPRAP FOLLOWS THE REQUIRED LINES \ L� / /
pp g y AN) GRADES SHOWN IN THE PLAN. COMPACT ANY FILL REQUIRED IN THE SUBGRADE TO THE
activity. Temporary ground stabilization shall be maintained in a manner to render the construction sites. DENSITY OF THE SURROUNDING UNDISTUflBED MATERIAL LOW AREAS IN THE SUBGRADE ON \
8. Install at least one sign directing concrete trucks to the washout within the project I uNDISTUREED SOIL MAY ALSO BE FILLED BY INCREASING THE RIPRAP THICKNESS, \ \\ \ \ /
surface stable against accelerated erosion until permanent ground stabilization is achieved. 2-FHE RIPRAP AND GRAVEL FILTER MUST CONFORM TO THE SPECIFIED GRADING LIMITS " / /
limits. Post signage on the washout itself to identify this location. PIPE SHOWN ON THE PLANS /i
PORTABLE TOILETS a 3'FILTER CLOTH, WHEN USED, ML15T MEET DE51GN REQUIREMENTS AND BE PROPERLY \ F\ I I /� /
GROUND STABILIZATION SPECIFICATION 9. Remove leavings from the washout when at approximately 75/capacity to limit I.D. PROTECTED FROM PUNCHING OR TEARING DURING INSTALLATION. REPAIR ANY DAMAGE UY OW \ / i
1. Install ortable toilets on level round,at least 50 feet awe from storm drains, REMOVING THE RIPRAP AND PLACING ANOTHER PIECE OF FILTER CLOTH OVER THE DAMAGED p g y overflow events. Replace the tarp,sand bags or other temporary structural AREA. ALL CONNECTING JOINTS SHOULD OVERLAP 50 THE TOP LAYER 15 ABDVE THE \1 / / / /
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the streams or wetlands unless there is no alternative reasonably available. If 50 foot - DOWNSTREAM LAYER A MINIMUM OF 1 FOOT. IF THE DAMAGE IS EXTENSIVE, REPLACE
Y components when no longer functional. When utilizing alternative or proprietary - THE ENTIRE FILTER CLOTH- \ 1 INVERT li RIP RAP HEADWALL
techniques in the table below: p g g p p y 3 TIMES I.D. 4.•-RIPRAP MAY BE PLACED BY ECKJIPMENT, BUT TAKE CARE TO AVOID DAMAGING THE \ I I� FLOW PIPE /
q offset is not attainable, provide relocation of portable toilet behind silt fence or place
products,follow manufacturer's instructions. FILTER.
1 5.••iHE MINIMUM THICKNESS OF THE RIPRAP SHOULD BE 1.5 TIMES THE MAXIMUM ��\1 i
Temporary stabilization Permanent stabilization On a gravel pad and surround with sand bags. 10. At the completion of the concrete work, remove remaining leavings and dispose of 1 6. RSIPRAPD1KAnrEa RFIFLD STONE OR ROUGH QUARRY STONE. IT SHOULD BE HARD. �\ /�'j #5 wASHED STONE. 1'-O" THICK x 3'-O" HIGH MINIMUM
• Temporary grass seed covered with straw or • Permanent grass seed covered with straw or 2. Provide staking or anchoring of portable toilets during periods of high winds or in high in an approved disposal facility. Fill pit, if applicable,and stabilize any disturbance ANGULAR. HIGHLY WEATHER-RESISTANT AND WELL GRADED. �S- ///'' ///////// /,' / /
7.•®oNSTRUCT THE APRON ON ZERO GRADE WITH NO OVERFILL AT THE END. MAKE THE / D114CIV llllll�� l
other mulches and tackifiers other mulches and tackifiers foot traffic areas. caused by removal of washout. TOP OF THE RIPRAP AT THE DOWNSTREAM END LEVEL WITH THE RECEIVING AREA OR SLIGHTLY � / STORAGE AREA �� /
• H droseedin • Geotextilefabricssuchas permanent soil p g properly p y 'ENSUR r- / // i COMPILED BY PHOTOGRAMMETRIC METHODS
y g p 3. Monitor portable toilets for leaking anddispose Of an leaked material. 7� 7 8.• AND PBELOWE THAT THE APRON IS PROPERLY HITS LE WITH THE RECEIVING STREAM / / / \\\
• Rolled erosion control products with or reinforcement matting PLAN VIEW AND PREFERABLY STRAIGHT THROUGHOUT ITS LENGTH. IF A CURVE IS NEEDED TO FIT SITE I I \ \
Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace CONDITIONS, PLACE IT IN THE UPPER SECTION OF THE APRON. �
without temporary grass seed • Hydroseeding 9.• IMMEDIATELY AFTER CONSTRUCTION,5TAUILIZE ALL 015TURUEU AREAS WITH VEGETATION
with properly operating unit.
• Appropriately applied straw or other mulch • Shrubs or other permanent plantings covered HERBICIDES,PESTICIDES AND RODENTICIDES / 'J' / sR,
• Plastic sheeting with mulch :Y. Wake Stone Corporation
1. Store and apply herbicides, pesticides and rodenticides in accordance with label MAINTENANCE REQUIREMENTS: PERSPECTIVE VIEW
• Uniform and even) distributed round cover EARTHEN STOCKPILE MANAGEMENT / - 6721Knightdale Blvd
y g restrictions. INSPECT RIPRAP Ou SE STRUCTURES CII[RES 5ION LY UN AFTEP SOW THE RI[I/2 INCH OR GREATER. N� SCALE - g
RAINFALL EVENTS TO SEE IF ANY EROSION AROUND MA E ALL THE RIPRAP HAS TAKEN PLACE, � / Kni htdale, NC 27545
sufficient to restrain erosion 1. Show stockpile locations on plans. Locate earthen-material stockpile areas at least GR IF STONES HAVE DAMAGE.
a15Lao0Eo.IMME01n E1r MAKE ALL NEEDED REPAIRS TO
2. Store herbicides, pesticides and rodenticides in their original containers with the PREVENT NRIHER DAMAGE. �„;" g
• Structural methods such as concrete,asphalt or 50 feet away from storm drain inlets,sediment basins, perimeter sediment controls label,which lists directions for use, ingredients and first aid steps in case of
retaining walls and surface waters unless it can be shown no other alternatives are reasonably
• Rolled erosion control products with grass seed available. accidental poisoning. SEDIMENT STORAGE
AREAS TO BE DISTURBED
3. Do not store herbicides, pesticides and rodenticides in areas where flooding is �' L FLOOD STORAGE zoNF RIP RAP
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of PI='- (CUT, FILL, ETC.) � (p g p �, HEADWALL
possible or where they may spill or leak into wells stormwater drains ground water
POLYACRYLAMIDES(PAMS)AND FLOCCULANTS five feet from the toe of stockpile. 2' -1u=
or surface water. If a spill occurs,clean area immediately. _ a1_ � ! I„IIII-
1. Select flocculants that are appropriate for the soils being exposed during 3. Provide stable stone access point when feasible. - - - - - ' o - _ _ _ _ 1111 PIPE NATURAL GROUND Lee Count NC
construction,selectingfrom the NC DWR List o Approved PAMS Flocculants. 4. Do not stockpile these materials onsite. -iI - - - - -_ - " INVERT County,
f pp / 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance 1 111i11-1 111i111i1111111= II ITI=III=III=1I,- NOTES: W 1 5, 3' ___________
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. with the a roved Ian and an additional re uirements. Soil stabilization is defined I1 I-1 1I11-1115 d 1T=1T=III=11 �� -
ppY pp p Y q = =II= =IIIE -III-11I-11r Tff. _ _ _____________
11=1 1 III=III=111- 1. L = THE LENGTH OF THE RIPRAP APRON. 1.5_i1�11 Mining Permit NO 5 3 - 10
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 IIIIIIIIIIIII III- L I=III=1" 7I�III =III II •
HAZARDOUS AND TOXIC WASTE 111 1 '- III- - I III- CLASS 1 RIP-RAP
PAMS/Flocculants and in accordance with the manufacturer's instructions. erosion on disturbed soils for temporary or permanent control needs. -III-III=III=ITI` I-F.
d - 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT I
1. Create designated hazardous waste collection areas on-site. - "'-III==' MAXIMUM SEDIMENT DEPTH J q
4. Provide ponding area for containment of treated Stormwater before discharging FILTER LESS THAN 6" (INCHES). #5 WASHED STONE Site Plan and E &S C
2. Place hazardous waste containers under cover or in secondary containment. (CLEAN OUT POINT)
offsite. FABRIC
3. Do not store hazardous chemicals drums or bagged materials direct) on the round. 1 7 3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE
z"
5. Store flocculants in leak-proof containers that are kept under storm-resistant cover gg y g SECTION A-A INSTALLED BETWEEN THE RIPRAP AND SOIL FOUNDATION. SECTION THRU CATCH BASIN, FILTER AND CULVERT PIPE 2023 Permit Modification
or surrounded by secondary containment structures. NC SCALE
STANDARD PIPE OUTLET TO FLAT AREA DATE OF PHOTOGRAPHY: 03-08-2021 Last Revised: August 16, 2023
NCGO 1 GROUND STABILIZATION AND MATERIALS HANDLING
EFFECTIVE: 04/01/19 NO WELL-DEFINED CHANNEL STANDARD HORSESHOE INLET PROTECTION Maps prepared by L. Cole Atkins Revised by: L. Cole Atkins
Sheet 4 of 4