20240729_Mine_Maps_96-63

..�.I► W I L S 0 IV C 0 UIV T Y - 222
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Proposed Construction Entrance/Exit
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RB Lancaster&Sons Properties, LLC
4031 NC Hwy 222E � Q
Stantonsburg, NC 2883 ;
ti r t
Phyllis Shingleton
William Shingleton ..T- i� r1
9 w Patrick Mathews
____ Watery ,a
;• �• P.O. Box 3090 _
IX
Eureka, NC 27830 __--_"' `� ,. 0 26 Barletta Ct., � �.� , ��'3 ,,?3 � � r
C7re�n Clayton, NC 27527 \ a Branch
1 (' M Y,
1 1
"•` ♦`% 66 1 i JJ Peacock,Jr. 9>8 4-
Pond
1 �, - ► i WF Peacock fr- Davis Mill Road ... Poleon \
1 ♦` �� �% i� 8109 Netherlands Dr.,
Phyllis Shingleton 1 �`, ��� i �\ Raleigh,.NC 27606 1 Fre'I?'►on s f C
\
William Shinglaton ,GAg Propert nc. iL�?
P.O. Box 30910 ,; P.O. Box 10 9 ` / i' �.` 1 "j" Pop y
195
&'L
Eureka, NC 271830 Idsboro, NC P7532 --��� �� i� ~\� its /
1 \ i ,1
S. .Wooten Corpor ion
1 '
Vendor58899 I
--
.O Box 24 Pond /
W son, NC 27 94 •1� ," . r+
Nilson Co.
1 : W it .n -- ........------- --
------ -------- Wayne Ca
------------------------------- ------------------------- f ' 1`
i � Wayrv,eCo. 1 0 0 iltCan
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-—————————————— + "
---------------- 1 \ 2328 SF(0.053Acres)y�etland W s Ur '' "� Ra
--------- Disturbance i' q - .- ' --�. - rl
Far
^� "ice^
Sharon Aycock Q■ wLF
1004 Sunnybrook Rd., Pond F.34 \
Wilson, NC 27893 F `\.\ E - 0 71 V
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;••• ;`; To `rr_ �e��a ti I WILF ,' fit. Carmel
k-. •`• ,, /.- �\ 1 s „ ,ram, ., :.-,....-. a 'i Crossroads
I ossroads ►
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... � ,` ,• / Q 4 WLF-W2
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s � ,. aad Y Road
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eY, F-49 `.`G .
Scale: 1 " - 300' . � i oa
`. � °� ��. � •�� •\ Benjamin Shingleton,II `�.,._. ,...�-' '��, ''~� �} p
°� ' A \ ` \ 7013 HWY 58N 1 ti 1
°
H&S Land, LL -r✓ Stantonsburg, NC 27883 O f
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J 1 3204 Nash St., North,Suilte G �eya. 1
t ' Wilson, 27896
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pa � WLF 02ti��e.'-es
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WLFo\\31 .. _ . -- " Scale. )" = 4000'
700-Year Flood Plain Limits _ ,O 1
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wLFo� s rri..vr1P
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WLF870� .� 1 W+F'S
♦ WLF-73
WLF-iY WLF WLF-14 W TL► -_
`.� LF Ts�.—.ld1�-18 -
-- �_ WLF-16IS xi
WLF-19 XLF,20
`^- .A/l.F-22 WLF-23 -
s WLF-21 ',.—._._—♦ 2`
ft_. Ly9&Lb.d Q4((�27 y� 28
i.- , yd F
Tonya B.Watkins V NITY A
�111a
N 998 Old Mill Rd., —
Stantonsburg, NC 27883 _-
` Land Disturbance(Life of Mine)
Project Information Current Affected Proposed Change to Total Affecte
— - a
�i` _ 1
100-Y.. — _eaz FJped Plarniirngg,"^ —. -
age age age
Acre Affected Acre Acre
- : ��ea� o °'� The Dunnie Hole Mine is located approximately 1 mile northwest of Stantonsburg, NC in
_ a
• , m -. 4 M Tailings/Sediment Ponds 0 2.6 2.6
�° Qltopec� Nowell Family Properties `.�� Wayne County. Access to the mine is from NC HWY 222 by Dunnie Hole Road which
Linda Lane ETAL , 4728 Saint Mary's Church Rd., `. once was a NCDOT road. The mine is located on a parcel totaling 151.44 acres of land,
{ 255 Moss Way, i Lucama, NC 27851 ♦` p gStock Piles 0 1 .5 1 .5
Washington,NC 27889 1 .� but also includes Dunnie Hole Road and 3.4 acres of land. Land within the mine permit
♦` boundary totals 145.411 acres with 95.37 acres proposed for disturbance over a 25 year life Waste Piles 0 4.4 4.4
Legend 1 ` of mine. Approximately 2328 Squ. Ft. ( 0.053 acres) of wetlands will be disturbed by the
mine activity.
_ 1 Processing Area/ Haul Roads 0 5.7 5.7
----------- Adjacent Property Lines 1
1 �
Property Lies&Permit Limits
�`� Erosion control will be by six (6) basins with 3.5 high soil berms diverting the Mine Excavation 0 81 .2 81 .2
RB Lancaster&Sons 1
-------------- Permit Limits Only ; 301r Properties,ties,HWY LC t ► stormwater to the basins. The surface area of the basins was based on the 10-year
. � E
Limits of Disturbance(25 Years) t St ntonsburg,NC 27 3 ; ; frequency rain event although the surface area of the water will exceed the basin area
stream ; ; Total Affected Acreage 0 95.4 95.4
1 due to the relatively flat topography at the site. The basin outlets were designed to pass
-_-----------------
Wetland Limits 1 '
the 25-year rain event.
"°w Total Permiteed Acreage 0 145.4 145.4
100 Year Flood Plain Limits
--- - - _ Existing Woodline Upon completion of mining, waste piles, berms and basins will be removed and graded to
Topographic Lies With Designated Elevation promote gravity drainage. Two lakes will be formed by the mine excavation. All roads
except Dunnie Hole Road will be removed.
/A`7 ENGINEERING & ENVIRONMENTAL DATE:
2 C SCIENCE COMPANY 08/11/23
3008 Anderson Drive DRAWN:
Drawing List Property Information Raleigh, NC 27609 TPS
Site Address: NC HWY 222 [phone]
C-1 General Mine Information Stantonsburg,NC
PIN: 3646882787 `\` REVISED:
1t1111tltlttt
Deed Book/Pa e: 3402/23 �,`��`�R�.. CAR©�'4,, 07/26/24
GENERAL MINE INFORMATION
C-2 Mine LayoutZ. , �O�•',y SCALE:
Property Owner: H&S Land LLC �g�jj� � 4 � See Drawing
C-3 Reclamation Plan 3204 Nash Street N.,Suite C - , hqy SUL !'_ _-
Wilson,NC 27896 '"� �I
D-1 Erosion Control) Details Total Parcel Area: 164.64 acres ■ ■ t 154T2 f a
-� ' ct 1 DUNNIE HOLE MINE Sheet No.
NC HWY 222
rk $Flll�����`°� STANTONSBURG, NC -1
WAYNE COUNTY

7i
RB Lancaster & Sons Properties, LLC si►� 'lam
4031 NC Hwy 222E y Phyllis Shingleton
Stantonsburg, NC 2883 0 William Shingleton
`!!i P.O. Box 3090
—___—_ ——-''�` `• `` Patrick Mathews► ,�
Eureka, NC 27830 ___ •.i 26 Barletta Ct., /
� 0121, Clayton12'. , NC 27527 1/
N �� �sw' -+_- ` eel
`! r------il�- �� /
`% ` it
i► �'� 1 ��` ► - JJ Peacock, Jr.
Pond - -
`�`�.
- � � W F Peacock �
8109 Netherlands Dr., ►
Phyllis Shingleton �i► '�� 1 �`� '\, ,, .' `` \ �`� Raleigh,.NC 27606 ►
William Shingleton �'!�GK Ag Propert' nc. ��� ``.,� - ' �� ;
P.O. Box 3090 - ` ►
`''� P.O. Box 10 9
Eureka, NC 27830 �► —— \ - ��/ \ \` \ ��` _\ ►
Idsboro, NC �7532 . ,, �• �� ►
- 00 •. ►
S. . Wooten Corpora Ion CONSTRUCTION SEQUENCE
Vendor 58899 1 ,� ® 1. Before mining begins, install the temporary diversion berms/silt fence, and construct
.O. Box 24 Pond �� 1 • — •°° ;- the proposed sediment basins. Prior to construction of the basins, install silt fence and
son, NC 27 94 ;: . ----
25 ft. Undisturbed Buffer _---- stone outlets down-slope of the basins. Install the stone outlets at the outlet pipe locations
\�
�Permit Limits � �� � ---i for-the proposed basins. Remove silt fence after basins have been constructed and
WITS n Co. � .--_._ ..••_ - .------ vegetation has been established on berms. Clear only as much land as necessary
- ----------- -- •wawawiwawawawi 446hl s(v wiw iwiwavi�swiwiwiwiw+iw■1 Wilson Co ---------- ------------------------
------------------------------ � - �-----------•--------------------------------- ------------------------ � to Install the erosion control measures.
--------- --------------------------------------- -------------------------- W yne Co.
L Wayne CO. ft. Hig erm " o
2. Begin clearing,grubbing, and soil excavation. Extend diversion berms as needed to
1 iii BASIN 6 ice. �� capture uplsope disturbance.Stabilize site areas as excavation is completed.
- -i i i i i i -- i------------- -- P W \• -,..,., .+... .> /
00
i 3. Revegetate as per the vegetation schedule. Diversion berms shall be stabilized
I t d? / 32 within 7 days of construction.
R
i
Scale: 1 200
! Note: Prior to land disturbance, locate and establish 50' stream and wetlands buffers.
Sharon Aycock
' ,' WLF-3 ` No disturbance shall occur within the 50' buffers.
Pond / �i► � �� F-34 ` ,--.
1004 Su nnybrook Rd.,
Wilson, NC 27893 �'!
�� `` Note: See Sheet D-1 for Basin Details, Outlet Protection, and other
\
� ""b '� •�S � �• ��m\�. � � Erosion Control Details. Skimmers shall be Faircloth
�� BASIN 1
\�� ; ♦ WLF 3 cove r
,. _ __. % ,�° manufactured. See Sheet D-1 for skimmer information
0 4,^ a ®` including size, flow rates, and installation/maintenance
Ca
�`, BASIN 5 `•.••� `. 'w�• specifications.
WLF- 7 �• J
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Stockpile v v,
eer "S BASIN 4
a
/ , .. •. , Benjamin Shingleton, II
/ f Tn
6�r� 7013 HWY 58N
.��' �s Stantonsburg, NC 27883
/ � H&S Land, LLC A/
3204 Nash St., North, Suite C 9he ae\
/ Wilson, NC 27896
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BASIN 2
WLF-03'1. ""a„� �. »�
. WLF-04•N• e. e 100-Year Flood Plain Limits 00
WLF-05
WLF-Ob'�\� \ - - -
-__- __
Legend . - -
WLF-07 '�
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WLF0, I--1, " �
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WLF-10� AWL
WLF-11 WLFWLF9 F r'
WLF 14 WLF- �► �p(LF 18
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----------- Adjacent Property Lines WLF ins L. - _
WLF-19 ^WLF 20 -•„ _ rit.N�9 s ""'= —
_
WLF-2'�iLF=22. LF 23- F�
PropertyLines & Permit Limits %-
Permit Limits Only . ,_,_,_, F,8 wLF
�������������■ YV.4F• WLF-
A. Tonya B. Watkins
\.
Limits of Disturbance (25 Years) \. "e----------------- -
_•.—..� �. 8 Old Mill Rd., ; l �•� ;Stantonsburg, NC 27883
,..... -
Stream---------------------------
-'
Wetland Limits - s•Q �� —�► --
n,
100,
100 Year Flood Plain Limits _ �, -- %}® -�_: '%
•• •
_
ExistingWoodlme
_ -
•—
•
-- CFI •• . '
�\ Topographic Lines with Designated Elevation . .__ _- _.,-_- •. _- _; ,_ ,_.-_ _ _--- --- ---9od,PIanTLir�iis •••.•.®_., ------ `,.�.�•°`� e� .• ®® �.�
- - -
/ DATE:
! .�.....
Proposed Soil Berm � �, � � ��\- -- - ---------_ •-. ❑ �� ENGIN" ENVIRONMENTAL
� . ��� ��,�e a y EERING &
08/11/23
v..,-
► SCIENCE COMPANY
/ �O� ► Nowell Family Properties �� 3008 Anderson Drive DRAWN:
` Q Linda Lane ETAL ► 4728 Saint Marys Church Rd., Raleigh, NC 27609
Proposed Temporary Silt Fence - ► ,
[phone] TPS
255 Lucama, NC 27851
__ ,• � \. ,-_..., � Washington,nM ons N ay, ►
Proposed Sediment Basin - -- ` ► -------- REVISED:
PROPOSED � C 27889 ��tluuu,r,,
\ `♦♦\` ��H A R Zi�ii 07/26/24
SECONDARY \ ► \\`
SPILLWAY "` _ ;' ►
Proposed Battles ,;-- -_ _ - ---, _ --- �, � . o� MINE LAYO U T
\ \ ss y
� ► 40
PROPOSED --- __._ .._ - 1 ► � 9:••� i SCALE:
SKIMMER AND Sons i
PRIMARY OUTLET
RB .Lan aster-& S ► r SEAS See Drawing
Properties, LLC �: ts4� Sheet No.
--
4
Proposed Soil Berm----_ 4,� . ; i - 4301- NC HWY222E -- --- __.- ,�°?;,11 "�-, DUNNIE HOLE MINE
Stantonsburg, NC 27883 - - - %;9lp•NC►NEE4.••• NC HWY 222
sii� ���,,\ \° STANTONSBURG, NC C-2
-- WAYN E COUNTY

N
- CROSS-SECTION A-A' (NTS)okk A�
_ C N
/ 1 dco U
♦ C ee J
_ — T
a ♦ o p - N N 50' Wetlands °�
♦ m
_.- �' - y 50' Wetlan 50' Y
—a f / ❑�� 0
r — — /� �� ♦ / Surface water Stream
eam ._
1 ♦ z. ` r
♦` Mine Excavation 4'Min. / \ 4'Min. Mine Excavation n
% / 1 C Creek ` - - - - - - - -� �- - - - - - - - - - -
ontenina
1 -
�_
Scale: 1 200
81 Netherlands Dr.,
09
\ti
� ��- �, ;i A 1
i
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♦ �/
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VEGETATION PLAN
y _ ----- -
\ 1. Spread topsoil over disturbed areas and leave surface reasonably smooth
_— 1 sand uniform.
2. Scarifysurface to prepare a seedbed 4 to 6 inches deep. Use such equipment
Pond �� ,� 1 °� �'� % urd�� _ -- - as tilling,discing,or tracing with the teeth on a front end loader.
w,
Permit Limits -� 3. Mix lime and fertilizer with the soil during seedbed preparation.
.+ Wilson Co. - - -- 4. prepared seedbed following he application rates for the
------
_ �w�wwawawawi
1 ------ - - - viw' w+.. i awav awa -- ---------- e
AA't�� - - ---.>•�--- Seed on freshly prepar •n t a 1• •
V1111SOn CO. - .�.�=..0:.iit. 1t.'� -iMa I°tC - ----- e re
4k r
-•------------------------------------------- ------ ---- appropriate season
---------------isdn 0, - - ------ t
------ -� - 5 Mulch all seeded areas immediately.
Wa ne Co.
y � � ,� ,� '� ,� ems.� "', � � ,� ,-� ,�, t ,� 6. Tack mulch on slopes 3:1 (H:V)or steeper by spraying with emulsified
\ r m� asphalt. Use an anchoring tool such as a farming disc set in a vertical
w _ Y o positing on slopes less than 3:1. Mulch netting may also be used on slopes.
- — 7. Inspect seeded areas and make repairs within the planting season. If
♦ '► r d vegetation is over 60%damaged,repeat steps 2 through 5.
z wL 32 g g p p g
1 i' `+ i •h' 8. ]Permanent revegetation shall be accomplished at the specified times of
► j r • LA N the year. Temporary vegetation shall be applied outside of the optimal times
1 1 ► �� for establishment of permanent vegetation.
IWLF
Pond �, '�\ F-34 �` �^ TEMPORARY SEEDING SCHEDULE
Seeding Date: Dec. 1 -Apr. 15
Type Rate
\� �i ♦ W 5 Rye(gra n) 1120 lbs/acre
Kobe lespedeza 501bs/acre
LF-3 I " 10-10-10 Fertilizer 750 lbs/acre
` % \ . - m� r a Reclamation Considerations
,' Lime 2,000lbs/acre
�(� �J �:� o "„ •° / Mulch 4,000 lbs/acre
JID o ! ��a ' -J r `1 r A • J' — Seeding Date: Apr. 15 - Aug. 15
1 W LF- <� i, "� J Seed Type Rate
1. Maintain undisturbed buffer of at feast SOft from wetlands
�+ /� �(�� % I 1•.. `11 ` �� �� ?, German Millet 40 lbs/acre and natural bodies of water.
i► ��� �J i 1 �� -� '� 'J '� - -10 Fertilizer 750 lbs/acre
10 ]0
R 2 '� I I 11 u o. Lime 2,000 lbs/acre 2. Perimeter mine excavation slopes :shall 3:1 (Horizontal to Vertical) or flatter.
♦ r
' •� � .� i , Mulch 4,000lbs/acre
' WLF-W2.
- -f a 3. Grade mine floor for sheet water flow towards the lakes.
- ` '47
4� LF-W3 _`� `�` °: fib,a ; SeedingDate: Aug. to Dec. 1 4.Perimeter berms, haul roads, and stock pile areas shall be removed and the
g
G - r—' �J �' �..-• seed Type Rate round smoothed and sloped to promote gravitydrainage. Dunnie Hole Road will
`� � ► '? Rye(grain) 120 Ibs/acre
S 10-10-I0Fertilizer 1,000lbs/acre remain 1n-place.
t
`-` F 48 �` ! `` • t Lime 2,000Ibs/acre 5. Revegetation per the Schedule below.
t1 e•Est �• I Mulch 4,000 lbs/acre
Z,4/b ♦� �J �' �'
PERMANENT SEEDING SCHEDULE
IT
Seeding Date: Apr. 1 -July 15
Seed TypeRate )
� 0 � d• � a
•� �•�.. t PensacolaBahiagrass 50
® �•� � �ri�ea�lespede 3e grass 50
.� .� German millet 10
WLF-01 <�` -- �� i� i� �
- Soil Ammen ments•
WLF-02ti. ` Apply lime and fertilizer according to soil test,or apply
�� �� �, , � �J �� �J �� �, �� �� .,�� �� � � �� ,,-� ��.,�,•" � �� �-�� � �J � 3,000lb/acre ground agricultural limestone and 500lb/acre
10-10-10 fertilizer.
a �
WLF-03 ti � . Mulch:
`ti� �� .�J r—J i—J i-J �-J r-J �J '° i� �� �i��i �� � � i� i��,>,i� i� i� i--�t--� i� �� „ram
od Plain Limits " • *�
WLF-04 �, . 0 Year FIB Apply 4 ere grain or" ,000 lb/acre straw equivalent cover of another
suitable mulch Anchorb tacking t asphalt,roving,or netting
---- � orb crimpingwith a mulch anchoring tool A disk with bl
ades
g
WLF-05�►•� set nearly straight can be used as a mulch anchoring tool.
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�—� �-� .�� �—� �� i-J �---' �� i—J .—� ��; % arl s al ht �n
WLF-0E*- �� ' �' �J �' �-� �� �- �' �� �J M Maintenance:
S WLF-07� - fertilize the following April with 501b1acre nitrogen.Repeat as
WLF- growth requires.May be mowed only once a year.Where a neat
WLF WLF-13 �� -•._-� �� �� �J !� �J �J .,.'�� r-� -� �� .� ����� �� appearance is desired,omit sencea and mow as often as needed.
' - WLF-1I WLF-rZ-4,.� _. a e o
WLF-14 WLF-fi5 ►,r.1t1ILF 18
WLF-16 -'
--' � WLF-19
WLF-20 ..
- LF-22 �► _
\, WLF 2 W -.-._WLF-23 •-- -- '
-'-•_."�_ 4 ------- roueStabilization*
-._WLF$9 ft_%2qjs�trbed Q4tIla27-•- -.-.lY.�-28 WLF-
.-•-•- `• w F_ 9�.
- —_ Site Area Stabilization Stabilization Time
_ Description Time Frame Frame Fxce tions
• perimeter dikes,
i --- swales,ditches 7 days None
`♦♦ and slope
)
1 ♦♦ • FlighQuality,
� � [ ♦ Water(}-iQW) 7 days None
_ - ---- If slopes are 10' or
♦♦ Zones
J ♦♦ • Slopes steeper less to length and are
,• `�� 1 `♦ than 3:1 7 days not steeper than 2:l
\�
,,®••�- i __ ® �,.,,�, .ate• � � ' M ♦♦♦♦ days are allowed,
14
mar Fleod PlaitrLlmits. •. ...-„ —--
_ Q ..n.Y : 1 ♦♦ 7-days for slopes
1 • Slopes 3:1 or
♦ f 2 at`d 1 ♦ 14 days greater than 50 feet ENGINEERING & ENVIRONMENTAL DATE:
- flatter
-- •♦ �. �� 1 to
_ _ _--- � , ,�`,, �•-�° ,.• e� :.� ♦♦♦ SCIENCE COMPANY08/11/23
- SCI
' t4Q
1 • A I I r the areas 3008 Anderson Drive DRAWN:
� r
None
with slopes Mauer 14 days (exce t fior Raleigh, NC 27609
1 perimeters and 919 781-7798 TPS
than 4.i
II W Zones
1 "Extensions of time may be approved by the permitting authority
�. 1 REVISED:
R .
1 A based on%veadwr or other site-s iccific conditions that make compliance �� // 07/26/24
impracticable." II.B(2)tb)) p �� �0��� C�R� z �i N PLAN
ES %-- RECLAMATION
SCALE:-i
--
-_
e� SEAL Drawing
15472 - Sheet No.
1
D
UNNIE HOLE MINE
.o C
NC HWY 222
ST NC -3
'''�-• �� •siiii.�� ANTONSBURG,
WAYNE COUNTY of:

SECONDARY SPILLWAY
SILT FENCE DETAILS
Minimum 12-1/2 Gauge Intermediate Wires
SEDIMENT BASIN W/ SKIMMER DETAIL Minimum 10 Gauge Line Wires
8'MAXIMUM
3 (variable as directed by the engineer)
TOP OF EMBANKMENT 1 1 See Basin Schedule
See Basin Schedule _
RISER STRUCTURE Pipe Connections i1t nc Faric
3"MIN- � I r,14 f , x-
ihd�
1 i,t,s�;,`�,.'y. vvro [o Grade
TRASH RACK _ ;�� -EMERGENCY SPiLLVRJAY -Ensure that all conduit connections are waterti ht. Rod andFRET MtIN� � ��"�N1 RIQ 0 g
���
' 4-='tip lug type connector bands with gaskets are preferred for corrugated Laminated Plastic Liningor
� .��ilc�l�f�-=rN�I��W�fr��l���Jrl �a�._.. '
SKIMMER -> -(�` metal pipe to assure watertightness under maximum loading and internal
° fl l� �W 4(1�-00-131 �i< I� °p p P g g Impermeable Geotextile Fabric
I ~11q;--- `i Ili 111gzg21��If llil ail ull pressure. Do not use dimple (universal) connectors under any
circumstances" OUTLET PROTECTION DETAILS
BARREL
PIPE Trash guard
� � `�x�� / / / / / ,!r/ / Jj// -It is important that a suitable trash ward be installed to prevent the riser
''VS y y`2 1 \ ! f \. 1 ✓ 'a 1 \ \ / ! / Y g g o ti o Steel Post
anld barrel pipes from becoming clogged. Install a trash guard on the o d��o
CLASS B STONE PAD Woven Wire Fabric
ANTI-SEEP top of the riser to prevent trash and other debris from clogging the conduit. O . O
(4' X 4'X 1' MIN.) ANTIFL A ION BLOCK SECTIONAL VIEW CUT-OFF STABILIZED o O -0� � �� Silt Fence Geotextile Fabric
TRENCH COLLAR A combination anti-vortex device and trash guard improves the efficiency o o o ,
2' DEEP OUTLET of the principal spillway and protects against trash intake. °-0 4 '0(D 3
� O -� O -00 O O 3'-0"
1.1 � aO� o � q, -0 9ft. 26„
Protection against piping CMP Outlet Pipe.
4"Min.
-Install at least one watertight antiseep collar with a minimum projection s 0 - Q�1 �, , 0
NOTES of 1.5 feet around the barrel of principal spillway conduits, 8 inches or 3 ft. �` o o�� o � 0!�) � Grade
8"Minimum Cover over Skirt
1. SEED AND PLACE MATTING FOR EROSION CONTROL ON INTERIOR AND EXTERIOR SIDESLOPES. larger in diameter. Locate the anti-seep collar slightly downstream from O . O . 4"Minimum horizontal turn
2. INSTALL A MINIMUM OF 3 COiR FIBER BAFFLES IN ACCORDANCE WITH PRACTICE STANDARD 6.65. the dam center line. A properly designed drainage diaphragm installed �� fl�p�fl < T-0"
3. INSTALL SKIMMER AND COUPLING TO RISER STRUCTURE OR DIRECTLY INTO EMBANKMENT 1 FT. FROM BOTTOM OF BASIN. around the barrel may be used instead of an anti-seep collar when it is o.d
4.THE ARM PIPE SHALL HAVE A MINIMUM LENGTH OF 6 FT. BETWEEN THE SKIMMER AND COUPLING. NOT TO SCALE appropriate.
8 ft.
Note:: Silt Fence Specifications
Inspect outlet protection structures weekly and after significant(1/2"or greater) 1.Steel posts shall be a minimum of 5 ft.long,weigh a minimum of 1.3 lb/ft,and
rainfall events to see if any erosion around or below the riprap has taken place, have projections to aid in fastening the wire or fabric. Steel posts shall also
or if stones have been dislodged. Immediately/make all needed repairs to have a metal plate welded near the bottom such that when the post is driven
prevent further damage. to the proper depth,the plate will be below the ground level for added stability.
2. Woven Wire Fence shall conform to the requirements of ASTM A 11.6,
Class I zinc coating for wire. The fence shall be at least 32 in.high and shall
have at least 6 line(horizontal)wires. Stay(vertical)wires shall be spaced
12 in.apart. The top and bottom wires shall be 10 gage. All other wires shall
Skimmer shown in Aluminum straps SATE: be 12 t/2 gage.
'y \� OVERClJ7CHANNEL 2'
G Vent �p+ OVERLAP TO ALLOW BULKING
` {//''� Sus ending „ 6'NIN. DURING SEEDBED LONGITUDINAL
floating oV"f L/Vn p �•' STAKES AT X-S e. PREPARATION ANCHGR TRENCH 3. Filter Fabric shall be composed of fibers consisting of long chain synthetic
RISER STRUCTURE -J� wiith Orange tip INTERVALS
horizontal intake � polymers composed of at least 85%by weight of polyolefins,polyesters,or
DESIG DEPTH
STEEL POSTS(QUANTITY VAR.) SKIMMER(SIZE VAR.) n polyamides. The fibers shall be formed into a network such that the filaments
4"Sch 40 4" pve floiat t 4 - or yams retain dimensional stability relative to each other. The filter fabric shall
EMBANKMENT COupling / CHECK SLOTS AT be free of any treatment or coating which might adversely alter its physical
1 26 INTERVALS I I I I I properties after installation. The fabric shall be free of defects or flaws which
PLASTIC SLOPE DRAIN PIPE STONE ENERGY Connection 33" significantly affect its physical and/or filtering properties. The fabric shall have
(PRACTICE STANDARD 6.32) DISSIPATOR
OR ' ��'1'-y �° `' TYPICAL INSTALLATION
a minimum width of 36 inches.
GEOTEXTILE LINING a 3" Sch 40 SOLID pvc barrel _ /� 12" WITH ERDS ON CONTROL
or"arm" // / REINa ORCEMENTMrs The filter fabric shall be furnished with suitable'wrapping for protection against
` '_^'-., fi'MIN moisture and extended ultraviolet prior to placerment.
� SUPPLIED
r•�f'� p�/ USER
�+ p INITIAL CHANNEL ANCHOR TRENCH TERMINAL SLOPE AND CHANNEL �MI
SUPPLIED B r USER � � ANCHOR TRENCH LONGITUDINAL ANCHOR TRENCH
IN ERMITTENT HE K SLOT
---�
13 r.r•a.
SINGLE-LAP spuceD ENDS OR BEGIN NEW The filter fabric shall meet the following minimum physical requirements:
r ,a 3"MIN "'"' ROLL IN AN INTERMITTENT CHECK SLOT
a ANCHOR 6"X6"MIN.TRENCH
_ 33' OVERLA AND STAPLE AT 12" PROPERTY* TEST METHOD REQUIRED VALUE
TEMPORARY OR p-. 1 f 6"MIN. INTERVALS Tensile Strength ASTM D 4632 400 Newtons(901b)
4 Orifice/
OVERLAP
PERMANENT DITCH PREPARE SOIL AND APPLY SEED BEFORE FLOW Elongation ASTM D4632 <50%-fabric self supporting
EMERGENCY SPILLWAY f�r` Inlet MAXPSESPACI GPS INSTALLING BLANKETS,MATS OR OTHER q
TEMPORARY CHANNEL LINER SYSTEMS >SO%-fabric requires woven
BRING MATERIAL DOWN TO A LEVEL wire backing
AREA,TURN THE END UNDER 4"
e 1, f NOTES AND STAPLE AT 12"INTERVALS. Apparent Opening Slze(AOS)*T` ASTM D 4�51 0.84 millimeter(U.S.Sieve#20)
COIR FIBER BAFFLES m..,, �r ''` Patent 5,82U,751
1. Lime,fertilize and seed before installation.Plan6ting of shrubs,trees,etc.should occur after installation. PeTlnittVity ASTM D 4491 0.01 See:'
(PRACTICE STANDARD 6.65) STONE PAD O 2. Slope surface shall be smooth before placement for proper soil contact.
PLAN VIEW (below skimmer) 3 Design velocities exceeding 2 feebsecond requiire temporary blankets,mats or similar liners to protect seed and soil until vegetation becomes Ultraviolet Stability(retained ASTM D 4355 70%
established.
WOOD STAKE 4. Termina)anchor trenches are required at RECP ends and intermittent check slots must be constructed across channels at 25 foot intervals. MAINTENANCE: strength after 500hrs of
OR METAL POST 5. Terminal anchor trenches should be a minimum of 12 inches in depth and 6 inches in width.Intermittent check slots should be 6 inches deep 1. Inspect Rolled Erosion Control Products at least weekly and
ultraviolet exposure)
and 6 inches wide. after each rainfall of 1.0 inch or greater;repair immediately.
3 hose, ss Clumps 6. For installation on a slope,place RECP 23 feet over the top of the slope and into an excavated end trench measuring approximately 12 2. Good contact with the ground must be maintained,and
Inches deep by 6 inches wide.Pin the RECP at 1 toot intervals along the bottom of the trench,backfiil and compact.Unroll the RECP down erosion must not occur beneath the RECP. trench shall be dug on the side of the silt fence.
x 6 in A 6 in. . u
3"threaded male nipple 4" Inlet 4" HEAD('distance from the slope maintaining direct contact between the soil and RECP.Secure using staples or pins in a 3 foot center-to-center pattern. 3. Any areas of the RECP that are damaged or not in close 4. P
7. 11 gauge,at least 6 inch by 1 inch staples or 12?inch minimum length wooden stakes are recommended for anchoring. contact with the ground shall be repaired and stapled. The silt fence shall line the trench and extend up the posts for the remainder
on outlet end exteinsion center of orifice/inlet to a. Grass-lined channels with design velocities exceeding 6 feetisecond should include turf reinforcement mats 4. if erosion occurs due to poorly controlled drainage,the
9. Check slots to be constructed per manufacturers specifications. problem shall be fixed and the eroded area protected. of the fabric width. The trench shall then be backfilled and tamped. Silt fence
Note: Baffles are to be equally spaced. Water Surface 10. Staking or stapling layout per manufacturers sprowfication. 5. Monitor and repair the RECP as necessary until ground cover fabrics shall be spliced together only at supporting posts with a minimum of
11. If there is a berm at the top of slope,anchor up-rsbpe of the berm. is established. P g y PP g
12. Do not stretch blankets/matting light,allow the rolls to conform to any irregularities. 6 in.of overlap and in such a manner to prevent silt from passing between
13. For slopes less than 3HA V,rolls may be placedl in horizontal strips.
the two ends. At the time of installation,the fabric will be rejected if it has any
defects,deterioration,or other damage incurred during manufacture,
Basin Maintenance (1) Coupling can be removed and hose attached to outlet using the threaded nipple. transportation,or storage.
Inspect skimmer sediment basins at least weelcly and after each signiflcant(one half inch Attach directly to metal riser ensuring a water tight connection. Silt Fence Maintenance Considerations
or greater)rainfall event and repair immediately. Remove sediment and restore the basin 1. Inspect silt fences at least once a week and after each rainfall. Make any required repairs immediately.
to its original dimensions when sediment accumulates to one-half the height of the first 2. Should the fabric of a sediment fence collapse,tear,decompose or become ineffective,replace it promptly.
baffle.Pull the skimmer to one side so that the sediment underneath it can be excavated. Note: SC H 40 solid PVC barrel/arm should be between 6 and 10 in length. 3. Remove the sediment deposits as necessary to provide adequate storage volume for the next rain and to
Excavate the sediment from the entire basin,not just around the skimmer or the first cell. reduce pressure on the fence. Take care to avoid undermining the fence during cleanout.
Make sure vegetation growing in the bottom of the basin does not hold down the Note: Design Flow Rate for 2" Skimmer. 0.038 cfs 4. Remove all fencing materials and unstable sediment deposits and bring the area to grade and stabilize it
Skimmer. Note: Design Flow Rate for 2.5" Skimmer: 0.072 cfs after the contributing drainage area has been properly stabilized.
Repair the baffles if they are damaged.Re-anchor the baffles if water is flowing Note: Design Flow Rate For 3" Skimmer: 0.11 cfs
underneath or around them.
If the skimmer is clogged with trash and there is water in the basin,usually jerking on the Note: Design Flow Rate For 4" Skimmer: 0.23 cfs
rope will make the skimmer bob up and down and dislodge the debris and restore flow.If Note: Flow rates are from Fa i rc I of h product cut sheets.
this does not work,pull the skimmer over to the side of the basin and remove the debris.
Also check the orifice inside the skimmer to see if it is clogged;if so remove the debris.
If the skimmer arm or barrel pipe is clogged.,the orifice can be removed and the SOIL BERM CROSS-SECTION
obstruction cleared with a plumbers snake or by flushing with water.Be sure and replace
the orifice before repositioning the skimmer.
Check the fabric lined spillway for damage and make any required repairs with fabric that 3
spans the full width of the spillway.Check the embank ment,spillways,and outlet for CONSTRUCTION ENTRANCE/EXIT
erosion damage,and inspect the embankment for piping and settlement.Make all
2 2
necessary repairs immediately.Remove all trash and other debris from the skimmer and 1 1
3.5'
pool areas.
I�:o„ Collection Berm Specifications
1. Construct berm by placement of overburden.
Proposed Sediment Basin Calculations Desi n Elevations ft. ELF 2. Prior to placement of materials for berm formation,cut vegetation
Surface Area at normal pool, Skimmer Width of Inlet Outlet 4�QJ� nearly flush with ground(if applicable).
Inflow s uare ft. Storage Volume, Cubic Ft. (s) Crest of
Watershed Weighted g Inlet & Draw Down Barrel Dia., Secondary Invert of Top of Top of 2_ r 24-hr 10- r 24-hr 25- r 24-hr 3. Compact materials in lft.lifts b construction traffic.
g Riser Dia., Height,of Y Invert of Y Y Y � p y
Secondary Berm
Area Average Tc, (1) (2) Area (2) Orifice, Time, hours Spillway, Horizontal Horizontal Riser Storm Elev. Storm Elev. Storm Elev. ;w
Basin (acres) CN minutes Q10' cfs Required Provided Dist., acre Required Provided inches inches inches Berm., ft. ft. Pie Pipe Spillway oP4�w p
15,138 840 195,204 3 85.5 18" 1211 3.5 10 99.0 98.5 102.0 102.5 103.5 101.E 102.2 102.4 P 4
1 18.8 86 73.1 34.58 15,042 17axa7' 18.8 33,
8,712 ENGINEERING & ENVIRONMENTAL DATE:
2 10.8 86 112.1 14.40 6,264 10.8 19,440 295,010 3 49.1 18" 12" 3.5 10 99.0 98.5 102.0 102.5 103.5 101.0 101.3 101.6 1 C SCIENCE COMPANY 08/11/23
132'x66' Notes:
3 28.6 86 86.8 46.23 20,110 24,200 28"6 51,480 257,997 4 62.2 1811 1211 3.5 10 99.0 98.5 102.0 102.5 103.5 101.8 102.2 102.5 3008 Anderson Drive DRAWN:
(220'xl 10') 1. Clear the entrance/exit area of all vegetation,roots and other objectionable material. Raleigh, NC 27609
4 9.0 86 25.6 33.94 14,764 14,792 1811 1211 3.5 10 99.0 98.5 102.0 102.5 103.5 101.4 102.0 102.1 [phone] TPS
(172'x86') 9•0 16,200 129,016 2.5 62.5 2. Place 2-3"coarse aggregate.
5 7.4 86 25.2 28"18 12,258 12,800 x8 7.4 13,320 74,752 2.5 51.4 18" 1211 3.5 10 99.0 98.5 102.0 102.5 103.5 101.6 102.1 102.2 3. Maintenance Considerations:Maintain the gravel pad in a condition to prevent REVISED:
mud or sediment from leaving the construction site. This may require periodic \\\1\�IIIIIIIIN//////, 07/25/24
g 17.4 86 31.0 58.35 26,450 31 320 145 360 3 79.1 18" 1211 3.5 10 99.0 98.5 102.0 102.5 103.5 101.9 102.3 102.5 topdressing with 2-inch stone. After each rainfall,inspect any structure used to `��� '�l�H ..AR ,/,i�
25,382 (230X115) 17.4 trap sediment and clean it out as necessary. Immediately remove all objectionable ? ���$S`.'O�/1,�� E ROS ION CONTROL DETAILS SCALE:
materials spilled,washed,or tracked onto public roadways. t)���Q •:;! NTS
4. See Sheet 1 For locations - SUL
(1) Required Surface Area is based on 435 sf per cfs of Q10 peak inflow �'• ,� DUNNIE HOLE MINE silIt1I -
°'••. ��.� N HWY 222
(2) Required Volume is based on 1800 cf/act. of disturbed area C
A�9��I"EAR o STANTONSBURG, NC p-1
(3) From normal pool to top of berm 9� ••••••••••• �'�°�
",i1�//r* SHi��\\\\\`��
WAYNE COUNTY