20230414_Mine_Map

FE
LOCATION MAP
VOKIS 4iLICT1W1 SCHE1141LE and CMRRE]LO �4 GIL S'E MICE i]F LAND
(NOT TO SCALE) �\` DISTURBING ACTIVITIES -
F\
SITE 1. Obtain approval of Plan and any necessary permits, and hold
n pre-construction conference prior to commencing any work.
G
2. Clearing, stumping, and construction of permanent access/haul rood.
i
\,1N➢ 3. Cleandaring and associated tsediment umping ffencing downstream access/haut road tof Lake/excavation access/haulrroad.
\NO A 4. Installation of Gravel Construction Entrance.
qJ A u �I S. Clearing and stumping of first floe FJ acres of Lake/excavation area for truck turn around and stockpile
le location and nssoU ated
sediment fencing.
0
'G �� oe'1'oF Nit
6. Initial excavation consisting of stripping and removal of topsoil
in stockpile area (within Lake excavation area). Construction of
pro earthen berm/sound barrier. Creation of vegetated buffer.
db 7. Stockpiling of 0. 5 to 1. 0 acres of material for creation of settling/
yO0 dewatering area / sediment basin. This area will serve as self
contained dewatering area / sediment basin and will have an earthen
0�5y5 dam separating it from future excavation. As the Lake/excavation
grows, the dam will be removed to enlarge the sett U ng/dewatering area/
�a sediment basin to Include recent completed excavated areas.
T
�„aa°\ l ?C
B. As 2 to 3 acres of excavation have been completed in the manner
0= mentioned above, lake banks will be shaped, graded to 5 to 1
slopes, mulched, seeded and landscaped as shown on the plans.
`= 9. Once the Lake is completed, temporary haul roads will be removed and
C reclaimed, Temporary erosion control measures will be removed. Access
�'he '•�� road to site and earthen and vegetated buffers will remain permanently.
v?g m v
0
MAINTENANCE PLAN -
m 1. All measures to be Inspected weekly and after any rainfall
\ � o event and needed repairs made Immediately.
y
2. All seeded areas shall be fertilized, mulched, and re-seeded
as necessary, according to specifications provided, to
maintain a suitable vegetative cover.
9L �9a qCi-�•
'9�4roSOpNF c�
C a ONF N RdF
4. Sediment to be removed from behind the Slit Fence when it
\Uv� becomes 0.5' deep. Fencing to be repaired as needed to
aoe D maintain a barrier.
eeg/s m o 5. Construction entrance to be mnlntnined in such a manner as to
sF� roa. oa Z prevent mud or sediment from leaving the construction site.
Periodic topciressing with 2-inch stone may be required
Inspect after each rainfall and Immediately remove all
objectionable materials spilled, washed, or tracked onto
y o public roadways.
U A
J �r
OO O
o n m_
O F< 3 my Z� Z 9N OOS PF
2 o P m4 Rgc U IVEW NDFR C
z� `"` 9��a /Y AV01'f UNTY(l
NIF n z x
60 4
0 0 i O DUN
V PIN# 1-04-72-0240 mac m
O O LIMITS PLANNED EROSION AND SEDIMENT CONTROL PRACTICES -
S
{� --
O O � 1. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE
CE_ Practice 6. 06
--�`c O o 1FPll , _ _ 11 I i Shall be installed at the entrance to the project from
the road and will be controlled with downstream practices.
During wet weather It may be necessary to wash truck tires
at these locations.
UUUO .g 2. LAND GRADING
Q. � '# e Prnet I ee 6. 02
V
!� Q l Grading should slopes
limited to areas as shown on the
`(/ t ® ePlans. Cut and fill slopes shall be 3l1 or flatter except
O - 1" where speflcally Indicated.
GP
I
$F 3. SEDIMENT FENCE
' "�+•-- Practice 6. 62
Sediment fencing should be Installed as shown on the
prevent any interior areas from erode
z ro P Y n9 onto adjacent areas.
V �L O oo15,Np T
�+o�-•''-��m [PRC)JF_CTLIPAITS
NIF
�./
W l INC. / C
m� 602 74 r^
PlN# 72-0240 : VJ
,..'' MONUMEE,
87 STABILTZAN11311 T114E FRANESi
30ZGT
SITE AREA DESCRIPTION STABILIZATION
i� -„"'�., • ' "' v Perimeter dikes, swa les, ditches and slopes 7 DAYS
High Quality Water (HOW) Zones 7 DAYS
O PROJECT LIMITS Slopes steeper than 3: 1 7 DAYS
f�" L Slopes 3: 1 or flatter 14 DAYS
O All other areas with slopes flatter than 4: 1 14 DAYS
i
n n TOTE WELLI
ANY AREAS ON-SITE WITHOUT ACTIVITY SHALL BE STABILIZED WITHIN
15 WORKING DAYS AND AS ABOVE, ALL SLOPES
MUST BE STABILIZED WITHIN 21 CALENDAR DAYS OF CEASE OF ANY
ACTIVITY,
Practice Standards and d SpeeificaKons
PRELIMINARY PLAN RECEIVED"
CATEGORY AFFECTED ACREAGE APR 14 20B
NOTES: Maintenance volumenwhentdbemint accumulates about ama-Lail toe design volgume' HAOUPOSED OADMINE 1.61 \``` \`\N ICARp�i., 0 400 800 1200 4 �pyn�L
p adequatelystabilized.
Check the structure for erosion,piping,and rock displacement weekly and MINE EXCAVATION
60.61 _ FE 019�?9
1. CONTOURS SHOWN WERE TAKEN FROM NCDOT LIDAR after each significant(14 inch or greater).rainstorm and repair immediately. S SCALE IN FEET:1"=400'
DISTURBED UNEXCAVATED BUFFERS 14.5 TOTAL PROJECT AREA88.55AC. = SEAL
Remove the site
has
b and any unstable sediment immediately after the T _ SITE
�� ® Date:
LEGEND consimctbm site has been permanently stabilized. Smooth the basin site to 25 FT. VEGETATIVE BUFFERS 3.68 L-2676 Z I
blend with the surrounding area and stabilize.All water and sediment should •'.( dt-;' 01-25 23
WETLANDS VEGETATIVE BUFFERS 9.76 '% p9••.SUR1�•��(i TREE SHAKER SAND MINE Scale.
be removed from the basin prior to dam removal.Sediment should be placed • ND V�
in designated disposal auras and not allowed in flow into streams or drainage TOTAL "`t,f
• =POWER POLE ways during structure removal. ....... 90•16 //// !11Aj 1 I I Nth\ \\\ 1"_400'
^' =DRAINAGE FLOW DIRECTION NEW HANOVER COUNTY NORTH CAROLINA Dmwn:
E.I.P. = EXISTING IRON PIPE NOTES References. Su+faee SarbIlLatfan GW
E.I. = EXISTING IRON 4.10;7emporary Seeding
E.C.M.= EXISTING CONCRETE MONUMENT
1. AREA COMPUTED BY COORDINATE METHOD 611,Permanent Seeding
4.I2,Sodding OWNER: 421 SAND MINE LLC checked:GA W
RI W = RIGHT OF WAY 2. ALL DISTANCES ARE HORIZONTAL 6:13,Trees,Shrubs,R DATE: 01-25-23 Rues,and Ground Covers P.O. BOX 100
roject No:
28479 N.C. P N WINNABOW, . .
C.P. = COMPUTEDPOINT Sediment Traps&acids,ers 11936 TS
3. FOR REFERENCE SEE AS NOTED 6.61,Sediment Basins
EST =EXISTING SEDIMENT TRAP 4. SURVEYED JANUARY OF 2017 6.65,Porous Baffles
HANOVER DESIGN SERVICES P.A. sneat"
PROPERTY LINE Northoma Department ofTurnsportadon NOTE:
Standard Specffrwtions forRoads and Stractares
PROOSED SILT FENCE sF THIS PLAN TO BE UTILIZED AND DATE LAND SURVEYORS,ENGINEERS SAND PLANNERS 1
REVIEWED ONLY IN CONJUNCTION REV.NO. REVISIONS 1
WITH THE WRITTEN NARRATIVE, 1123 FLORAL PARI(WAY
COMPUTED WILMINGTON,N.C. Z84n3
WHICH lSAN,FN:TEGRAL,PART D ma F crorma/=tam � .PA..aI � a,�a+�m, .=, amens m°.,�a.a•mmwa. n..�;o.s:o PHONE: 3eaeooz
PROPERTY LINE eoaare,rc.m»nmea.w2.sro:,r�.ml�•,:«•.�am o/vre umserwyo' F,w;,wa..nab+laree alrw ,erememarwm. ems.,,:, M
THIS MINING PLAN.
markeduiN th c^&rel xgneNre aMa dMal seal o/tlre SwaP+r £^pnee,.snaPbe mnsiCe,Mbbe oath aMWe ropes.
pf:

TURBEDIU
\�\ x SF p SF
5F nrS�Ter, r F �`SF SF\ SF - SF /SF _ SF 5F. SF SF SF SF SF SF SX SF` SF SF SF ,SF Stiai SF
Ex Y T F L SF BUFFER
�I
t /
_ \
= 1 ( t
EE
LEGEND
W\V = WATER VALVE ✓`r w __ N;' l
T
W\M = WATER METER
C\O = SANITARY SEWER CLEAN OUT _ �n
INV. = INVERT
B/O = BLOW OFF ASSEMBLY` \ 1 • �'4 41 /
BFP = BACK FLOW PREVENTOR
G\W = GUY WIRE
SWMH = STORM MANHOLE
GT. = GREASE TRAP 404\NETLANDs -x
F\H= FIRE HYDRANT ASSEMBLY
I.S. = IRON SET
-G
PROPERTY LINE JI 1 / /
BUILDING SETBACK / \ �� (/ / /• �.J
{/
CENTERLINE
oa��ANOS_ CENTERLINE OF 30'
� / � � \ `�
EASEMENT
ACCESS EASEMENT
J � LINE BEARING DISTANCE
L661 S 71'40'11"W 96.02'
COMPUTED PROPERTY LINE L662 N 55°40.11"W 96.02'
t L663 N27°1 93.88'
l \ �- e L664 N25°75'39"W 150.41'
EXISTING CONTOUR(LIDAR) ( 047"W/� L665 N 33°3349"W 135.27'
'—_ \\1 oaWETIANDS /
L666 N28°3244"W 117.43'
L667 N 26°39'19"W 104.93'
¢6a rorra«mz3"W 109 84'
I
es L669 N3314'13"W 109.84'
p �------ L670 N28°56'17"W 1041V
Ea78 EXISTING SEDIMENT BASIN r '� �— ( L671 N 29°4929"W 9793'
L672 N28"02'45"W 106.49'
-- S L673 N 31°18'O6"W 99.71'
z J L674 N29°42'01"W 34.40
--_
-�` L675 N28°13'17"W 134.40'
CE CONSTRUCTION ENTRANCE o , - — L67 N44°29'41"W .
// \ o / L677 S66�45'S9"W 80 80.46'
46'
(TYPICAL) / L678 S68°72'19"W 116.46'
�� L680 S 59°2434"W 112.93'
LIMITS OF DISTURBANCE J � � PUMP�`�^ � �___, qp4 WETU'NDS \l,
° ,
SF SFSF-- SILT FENCE \ so•�ISTUR EDrUNEXCAVATED BUFFE L682 S 52°43'S6"W 176.68'
--, - r � L683 542"15'26"W 108.82'
(TYPICAL) " asc«Ern eusr ac so ao,v
L684 N50°14'20"W 82.22'
f
OSE
T1a"1 " CURVE I RADIUS ARC LENGTH CHORDLENGTH CHORD BEARING
rensnxcsmoueE.)) -'Eck'— m-
a � --�—= , C1 100.00' 49.72' 49.74' N82"00'36"W
� — C2 f 00.00' 49.72' B&74' N 41°2579"W
TOTAL AREA OF DISTURBANCE = 81.11 Acres � �Q \' i C3 1 60.00- 1 71s8' 67.74 N 78"5151"W
m '{ I C4 I f00.00' 1 152.72' 138.31' 1 S 86°00'33"W
25'VEGETATED BUFFER c � (`
I
DISTURBED UNEXCAVATED Rsa
BUFFER
404 WETLANDS
VEGETATED
f $
0
e 4
PROPOSED HAUL
ROAD
p ° �
ESB
ISOLATED WELANDS UNDER PERMIT REVIEW
1 `
0
ya I
,3
3
a?.'f
C
0 200 400 600
e
';x -< a SCALE IN FEET. 1i -200'
IV Date:
Note:Metal stakes are minimum 4'long, 1.33 Ib/LF steel.
M� SITE PLAN OF 01-25-23
MAXIMUM SPACING, FILTE TREE SHAKER SAND MINE
SEE NARRATIVE FABRIC FABRICyI, I'"=200
BACKFILL EXTENSION OF
MINIMUM s^ INTO THE TRENCH FIE MaACTED NEW HANOVER COUNTY NORTH CAROLINA
THIGRAVELR 1 - P Drawn:
OF GRAVEL GIN
8^MINIMUM WIRE WIRE REQUIRED PERMITS (not limited to) '
-' ` \\\Ill llllfl// Checked:
V-TRENCH
/ / /�\//�\/ 1. NORTH CAROLINA STATE MINING PERMIT PRELIMINARY PLAN ,.�Y\\�N CARp�///�/�/ OWNER: P.O.SAND M0 E LLC GIN�� �� � ���/�/ / P. BOX100
COMPACTED FILL OR / // // % 2. NCDENR/DWQ STORMWATER EXEMPTION 2
GRAVEL,EXTENSION /\\�\/\�i 6"MINIMUM WINNABOW, N.C. 28479 Prajen No:
OF FABRIC AND WIRE NOTE: \�•\��\� �••Q, -y
INTO THE TRENCH SEE NARRATIVE Q ! .
FOR MORE DETAIL. 14"MINIMUM = = 11936 TSr
SECTION 4"MINIMUM SECTION = • M�'10
SEAL
ISOMETRIC VIEWjvlhi � c HANOVER DESIGN SERVICES, P.A. Sheet No
SF SEDIMENT FENCE ( SILT FENCE ) REV.NO. REVISIONS DATE Q� ••• • . ", uNa suR✓e✓oaX eMcweERsa LAND PaNN as
NTS
PRACTICE 6.62 //// A Wnr`\
//llll I I I111\" 1123 FLORAL PARKWAY
Copy�rtc panmsro�'pn services,PA.,npngnraremne¢RegwuSmnw use arms cnerena etm•'s am+mwq weeeie'oeswdekrona ro mis WILMINGTON,N.C. 28483
docesrenr,n,wrorswPan,Wi ur wnrcan mrreentwme Led S"„srwwE"e�,ilp m...omr�man:ee»;m vre vyr"aray"arum emmw�amse�mrne se,Vayo.a.E,y .,wnea :�+e,eero ee�raem memare=. DATE: PHONE:[phone]
Of.

9
LrI
o
\ 50' DISTURBED/UNEXCAVAT BUFFER ED
o- 50' DISTURBED/UNEXCAVATED BUFFER
SF --—SF --SF SF -- SF_ - SF SF- - SF SF -SF - SF
LIMITS OF EXCAVATdON' j I i, \.\ i �F SF OF F \
S SF SF S SF F
F SF SF SF F S SF SF
� I
\'♦ ♦` /' /� - - '-v ' A` '`LIMITS OF EY,CA�/ATIbN
m '.�LpL� % \�\ ♦\ �' i i ` \` `\ `\ - `I `, 1 \1 1 V J -
`•\ ❑ v,I �' it `\\ _ 1 \\` ,` \ /' I' i `'\♦ '\ ',1 \\`_� /' i ' �' \
m
x,
PROJECT LIMITS `I\ `; -- ---- \\ \ ? I ;----- ------ Il
c�
11
}
",� --r ` li 1 - \ \ \ i / `\'\ , 1'1 �' �' it 11c-o \ 1
\
LEGEND ---
1 1
1 1 ,
,
W\V = WATER VALVE _ i \ ' / / - ``♦`\\ `\\ / \\\\
PERMIT B w LL _ _ `\ _ `\
TER MET _ __
IMM WA ER ®U NDARY � Vj.- �y r+r._. `' '` \ ' % / , \ ' / � ;� , / /% I '`I �\ a ,' � ,� \ � \ ✓/
C\O = SANITARY " -
SEWER CLEAN - - -- - ,� '-'_
OUT m \\\ __
INV. = INVERT �� \ ` -' l / / / `� ` \I `\ \ Ys- i' ' i '\ ---- •\ \ t,,
B/O = BLOW F �_ `� - - ;"
O F ASSEMBLY `- ' -'-- '—`- — _
, ♦ _ _ \
BFP = BACK FLOW PREVE t � � _ \, '-� ------ � / 1 ``, ', - ___-- _ ;/" �`t \I 1..
-- _ /- \ T1
G\W GUY WIRE ----------- —' `- - -- _ - --
, v _ ,
♦
1
SWMH - STORM MANHOLE —_' 1 \ I .♦ `• ` `♦ i '' i ' _-`- — `-'- ♦` _ he '%- --_ __- - - -
GT. = GREASE TRAP ' - -- --_ _ - `
F\H= FIRE HYDRANT ASSEMBLY ' \` � \,\ \ / i' - _
I.S. = IRON SET i - \\ \ t \ , -- ----------
PROPERTY LINE ------------------
BUILDING SETBACK ;' 1 `� \ i ., , `I ` - ------- -- --------- - \ �\ \ ; _
,
,
CENTERLINE '� �'- � �;'- ';'
EASEMENT
COMPUTED PROPERTY LINE
1
i
EXISTING CONTOUR(LIDAR) ', ` \ � \ � _
1 \ 1
V 1 1 1 I ,
156
_ _ �. tl C f I. ti I• li I � i
ESB EXISTING SEDIMENT BASINul
fit -
C E CONSTRUCTION ENTRANCE - i // O C
(TYPICAL) l♦ , \\ r. i ` \ p\ '
, \ \ Z
` D m
( ETLA
NDS x -
- --------- -
= 4a4 w - ---- D
�� LIMITS OF DISTURBANCE `♦\ /' � 1�1 � ,.
SF
\`�/-•)� PROJECT LIMITS
SF -- - SILT FENCE .-
(TYPICAL) `, \ 1 j ¢ '
I 1 /n
TOTAL AREA OF DISTURBANCE = 81.11 Acres -
' J � F m
/
I /
DISTURBED UNEXCAVATED = �/ i i' 4 WETLANDS RMIT BOUNDARY
JMITS.
40 P E
BUFFER % s j %�
404 WETLANDS
VEGETATED \ -` •
t `
-------------
PROPOSED HAUL
ROAD PERMIT BOUNDARY ;
,
` ANDS
�r1
1 � /
1 ♦ \ qx
/
--------------
-----------------------
;
hB
6 ______-- ` - J_
iF' I I 1
v, � 1 I
1 1
I` ..�., r .. :. "1 `\\ ,/ � III II
1 1 \
t 1 \
I \ \
----------------------
i _____
- WE L
PUMP 40
4
�J
--------- T AND.
----- -
------_ _______ _________ _ __ ________ t ���v
- 3r3 �+ ���•++ J�.+ 75'UTILITY MEN 11 II i
N� 501 DISTURB D/UNEXCAVATED BUFFS \
i \
75'UTILITY EASEMENT
1) \ 1 i i __`\ ``♦`♦\ \'\\\\ \ \\ -A� _ . .. _. __ rQ EXISTING SOIL ROAD _ 1
N59°56'S7"E 990.39' ____-._ __ ri '
\ \ S 59"56'S7"
PERMIT BOUNDARY PROPOSEDHADL D PROJECT LIMITS
(EXISTING) BRUCE B.CAMERON TRUSTEE HRS. t '
(EXISTING SAND MINE AREA) ,E,yTy, �. tx �� '
Note: Metal stakes are minimum 4'long, 1.33 Ib/LF steel.
Dete:
MAXIMUM SPACING, SITE PLAN OF 01-25-23
SEE NARRATIVE FILTER FILTER
FABRIC FABRIC SHAKERTREE Scale:
BACKFILL EXTENSION OF AND MINE 1"- 100'
MINIMUM 81• FABRIC AND WIRE COMPACTED
THICK LAYER INTO THE TRENCH FILL NEW HANOVER COUNTY NORTH CAROLINA
Drawn:
OF GRAVEL
B"MINIMUM WIRE IRE REQUIRED PERMITS (not limited to) GW
\\\\\IIIII I / OWNER: 421 SAND MINE LLC cneckea:
V-TRENCH \ \�� /�\��\��\� NORTH CAROLINA STATE MINING PERMIT PRELIMINARY PLAN .\`\�N CAROB //% Gw
COMPACTED EXTENSION
OR /���/ ��������� 2. NCOENR/DWQ STORMWATER EXEMPTION \\\G �S S I �/� P.O. BOX 100
OFFABRIC
GRAVEL,C AND WIRE
, 8"MINIMUM , G
FILL
OF FABRIC AND WIRE NOTE: /�/\�/\\ \����\\ �:'��� otiq'•.9 WINNABOW, N.C. 28479 Project No:
INTO THE TRENCH SEE NARRATIVE
Q - 11936 TS
FOR MORE DETAIL. 14"MINIMUM SECTION 4"MINIMUM SECTION SEAL _
ISOMETRIC VIEW
O o 100 zoo soo •. �,v HANOVER DESIGN SERVICES, P.A.
SF SEDIMENT FENCE ( SILT FENCE ) REV.NO. REVISIONS DATE /,,r'PFG A •����\\\ uwcsugler_nas FMG,KFR�8,4A,oPuyNERs /'�
NTS V'F PRACTICE 8.62
\\`` 1123 FLORAL PARKWAY
SCALE IN FEET. 1"=100' 0111 111\
copyynlcpanoVer�espn services,aa.,a�,;gn�reservea Reamoucwno,use o,ere conlenls o{Inis dvwmnrc,waaarrlw,s uraeknoas romis GTON,N.C. 28403
002
ooc'�,»em,m wnae o.pan,mme°r wnrcen wnsanl ev lne I.a»a s»�yo.».ensl»aer,le�mmree o»+r�rcr»s r re me e.�¢m»I errors eu,..,menc DATE: 01-25-23 PHONE:[phone]
man:ea mm ure wgmal s�»»rere»»eo,yl°srseslerme ses»ro.o,se.�eee.,sn»rrae rp»sme sem palm»°a ores c»eles ot.

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.
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t i. -. ...-n. --ar-.+F, r .-r. 5 .. - .nf.ir- a. :.., ae>.. Kid'. f . . ._
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um
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as ——----------- SOMME
PIT WI TH VARI S
40
OpD 0.� 1W0 M19 NW RrW d.W 3+W n.pU +�A 6�iM 5.6D 0+W
SECTION A-A (TYPICAL)
PIT CROSS SECTION
HIXt25GAkE f'=5R
TYPICAL HAUL ROAD X-SECTION
12' 12'
wr__b
EXISTING GROUND
8" OF ABC
,
..,w „'. •. ,. a- w p _ ,.y,.u�vswl� �pa3{ ,�:r - z t '1'' .�—z✓.... . aD� +�pn *!D
NOTE: ROAD SURFACE TO BE FLUSH WITH EXISTING GROUND ,�w �,x d� yr;`,; L` �✓
.. ,.
::.: nww' Hm ai, r Po' _
- t_ .MY♦`.p y'�yYy.. a�- „�f rs��• .Z :��, „+,
e.r•.a .:. a M1�^'i�^ar;""�"t" .,- ,._.,.,rr.:., .. ,. .i.�.,__a. .....:,.._ �-.,_--.. ....,��.,., ,.�.,.. „ _ ,�•^,.,-in.�Y,+..+ar.,x.+'l '�'°t•,`�}.'.,` '*-�+'?I+-.+.�pW. ,�_'ma:.�- .,:.,.., ..--+r..�.
�+ ..:::. x,, re.- . . ..iva"2.'.a."c�C''"Si_:::wrce te,v,!w.,il. .:.0�i+u°•"...-em;-.w -M-,.�r �:n e Nn,'m'al S -r w v-p "rn:y x,ve' dp M.
a„
r
Da e:
,>I � ,� -�' w •� , ,�;�Note: Metal stakes are minimum 4'long, 1.33 Ib/LF steel. � - � ..� f6
SITE PLAN OF 01-25-23
w , F
MAXIMUM SPACING, r Ir
SEE NARRATIVE FILTE FILTER _ �"`M""'� AS^ a F": r �' , .r n 3,6 r � -"'.:,fin°. "LI„�nvM?i, Scale:
FABRIC FABRIC TREE SHAKER SAND MINE
EXTENSION OF ^_ 1001
MINIMUMBACKFIL FABRIC AND WIRE COMPACTED
MINIMUMS" INTO THE TRENCH FILL - NEW HANOVER COUNTY NORTH CAROLINA
THICK LAVER Drawn:
r , GW
OF GRAVEL
8"MINIMUM
WIRE wlaE REQUIRED PERMITS (not limited to) �
f_ r u11111I// OWNER: 421 SAND MINE LLC Che ked:
wTaENCH �� \ �� 1. NORTH CAROLINA STATE MINING PERMIT 5i ,r x4 i �1 ' + , PRELIMINARY PLAN
wvv C/�(Z��//i� GW
\\ \\ \\ \ \ \ ' ( P.O. BOX 100
COMPACTED FILL OR "- � � � \ \ 2. NCDENR/DWQ STORMWATER EXEMPTION
GRAVEL.EXTENSION
OF FABRIC WIRE NOTE :.c.:... / / / Y 8"MINIMUM \\�j\\�j\\� �":`pF� �/�••�9 WtNNABOW, N.C. 28479 Project No:
INTO THE TRENCH SEE NARRATIVE QP 9!••
FOR MORE DETAIL. 14"MINIMUM _ _ 1936 Tas
SECTION 4-MINIMUM SECTION - SEAL
ISOMETRIC VIEW 0 100 200 300 = 7
OSEDIMENT FENCE ( SILT FENCE ) ^ 9�? HANOVER DESIGN SERVICES, P.A. BheatNo:/�
SF NTS REV.NO. REVISIONS DATE ���� LANOSURYPYORS ENGINEERS 6 LANOPLANNERS 4 PRACTICE 6.62 SCALE IN FEET P'=100' �j//�/j II I00 ♦\�\\
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mamedwrcn nre o�nmamRanae aneoderoa4alwma sareara-o.e,yuaa.,mzrrdaconvm,edm ne vaaeaMaua m,„as DATE: 01-25-23
Of:

LEGEND
WVV = WATER VALVE `�� �`v /
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W\M = WATERMETER ' v ,/ ,I / v`v NV v - --- ` /� �� ,' ��p `.
C\O = SANITARY SEWER CLEAN OUT ; % / �\ \ ' ;� i
INV. = INVERT / �\ rIN' - - /� _
i \` ` ' /' \\`
BID = BLOW OFF ASSEMBLY �• IN ` ``\ i i l \) \` i'' �' /' _ \`\` - ''' i' / `\
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BFP � li ,BACK FLOW r \`\ / _ \- PREVENTOR I _ / _ 1 1
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G\W = GUY WIRE \\` IN
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SWMH = STORM MANHOLE �` \' �\ `\ `'` '\ \ \`\ \\ I i i i i ', '\ ( \ +`r ` \ \ r I , ---
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IN'
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FIH = FIRE HYDRANT ASSEMBLY \ \ - -- '' +, / _ '- - `\r �`. \\ \ ' `I�2g"'� _
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= SANITARY SEWER MH \ -------- � _�_ I \ �\ \\ � r I I l r \, \ \ /
= CURB INLET �-� `� -_`-` _____________1__________-_-___` - ' __ ___ j t (, `\`
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IN
ca = CURB RAMP -----------�__ - ��` -� -`--- / \`\ \�� - % ---- (`\ \ I
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=SIGN LOCATION i ,; i \\ \\ '\ ` \` �`. i i i \ ' ON \`r ,-46' / / -- _
PROPERTY LINE `-� ---It N 11 IN
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COMPUTED PROPERTY LINE - ' _ .\ `.\ - --- \\\ \' \'\ -, \\t
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TOTAL PERMIT BOUNDARY 88.55 AC. + (D
EXISTING CONTOUR(LIDAR) '. ' � �I�i I�«n'11�I�i'IAk�" � - N� � � / ' ` ' /
------- "------- --------- .. �J 11\ `\ { t
PROPOSED SANITARY SEWER / '` '` _ \It
TREE PROTECTION FENCING `I ; `----'' i _- 'VV'SO,
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CE CONSTRUCTION ENTRANCE J \ - _--
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(TYPICAL) '`\ ; r\\" AND
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LIMITS OF DISTURBANCE ' "--'---- - "� \` � l ,� 40
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TOTAL AREA OF DISTURBANCE = 25.68 Acres %
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,\ \\ .-___,. ________ _ _________ __________ _______ _ _ _ __ _ ____________ ________ ___ - 75 UTILI� EMENT 1 I\ It
\ \ \\ G� 75'UTILITY EASEMENT - ____ i \
1 1 1
\ r
BRUCE B.CAMERON TRUSTEE HRS.
(EXISTING SAND MINE AREA) r 1 h\ J
Date:
EXISTING CONDITIONS OF 01-25-23
TREE SHAKER SAND MINE Scale
1"= 100'
NEW HANOVER COUNTY NORTH CAROLINA Drawn:
STABILIZATION TIME FRAMESt GW
null+,/ // OWNER: 421 SAND MINE LLC checketl:
STABILIZATION TIME FRAMES, PRELIMINARY PLAN \\\\ N CARP ////,
SITE AREA DESCRIPTION STABILIZATION ANY AREAS DN-SITE WITHOUT ACTIVITY SHALL BE STABILIZED WITHIN �� �� P.O. BOX 100
15 MUST BEING DAYS OR 21 STABILIZED WITHINE2IACALENDARAYS ND AS DAYS OFOCEASELOFSANYES ` ��;�OFESSION.• k '- WINNABOW, N.C. 28479 Project No'
Perimeter dikes, swa l es, ditches and s t opes 7 DAYS ACTIVITY. - 2 SEALIS ` - 11936 TS
DETAILS SHOWN ARE TYPICAL OF INSTALLATIONS REQUIRED BY THE TOWN AND COUNTY.
/ /�[7 7 Sheel No:
High Qua t ty Water ( HQW) Zones 7 DAYS RATHER
SHEET SERVES
GUIDE. HECONT TO RACTOOW ALL RISRESPDCOBLEFORADHERINSTRUCTION TAILS,BUT S "`' HANOVER DESIGN SERVICES, P.A.
RATHERSERVESASTGUIDETHE CONTRACTOR TRESPONSIBLEFOR ADHERING TO ALL Q 1O(\ ZOO 300 v
�`Ibpes sleeper than 3. I 7 DAYS CITY,COUNTY AND STATE CODES AND CONSTRUCTIONSTANDARDS.
No geotechnical testing has been performed on site. No warranty REV. NO. REVISIONS DATE '�//JQn •S nI \\Q �allo suauevoas E,vc/rvEeasa u,voPramrveas
Scopes 3: 1 Or flatter 14 DAYS is made for suitability of subgrade,and undercut and any required SCALE IN FEET:?"=f00' /JJJ//Gllrj�j 11 l 1,1\P\\\\\ WL3 FLORAL PNRIlWAY replacement with suitable material shall be the responsibility 28403
c ncn eea Servrcxs.PA_Nlri nr:res°,a aeon°an�r wnsen/me�are„rs°rml:eannenr vaealrm„sweeler�smms opYne m'hdew „n 9 PHONE:I910 343-6002 IL...JJVV
A l t other areas w i th s lopes f latter than 4 1 14 DAYS or meoon actor. dee,,ldMMM a dISGMAdnrw°e° coddedt DATE: 01-25-23
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NOTE WELL,

Sediment Fence (Slit Fence)
Construction Road Stab• t ' ation Permanent Seedingg (^(� Specification 6. 62 - Construction Specifications PUBLIC ROAD
Specification # 6. 80 - Construction Specifications Specifications # 6. 11 - Specifications v v Grass-Lined Channels MATERIALS ,_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_ _-_-_ _-_-_ _------------
Specification # 6. 30 - Construction Specifications 1. Use a synthetic filter fabric of atleast 95% by weight of polyolefins or +
1. Clear roadbed and parking areas of all ve etati on, roots and other 1. Remove all trees, brush, stumps, and other objectionable material from the which is certified b the manufacturer or
P 9 9 Seedbed Requirements polyester Y
foundation area and dispose shape
properly. fitter
f as conforming to the requirements shown in Table 6. stabilizers
Synthetic
o objectionable material. Establishment of vegetation should not be attempted on sites that are unsuitable 2. Excavate the channel and shape It to nett lines and dimensions shown on the filter fabric should contain ultraviolet ray Inhibitors and stab) U zers to 2. Ensure that road construction follows the natural contours of the terrain if due to Inappropriate soil texture (Table 6. ila), poor drainage, concentrated plans plus a 0.2 ft overcut around the channel perimeter to allow for bulking provide a minimum of 6 months of expected usable construction life at a
It Is possible, overland flow, or steepness of slope until measures have been taken to correct during seedbed preparations and sod bulldup. temperature range of 0 to 120 F,
a Locate parking areas on naturally flat areas if they are available. Keep these problems,
grades sufficient for drainage but generally not more than 2 to 37. T maintain n 3. Remove and properly dispose of all excess soil so that surface water may 2. Ensure that posts for sediment fences are
o good stand me vegetation, the soil must meet certain minimum enter the channel freely. L re lb/linear ft steel with n minimum length of 5 ft. Make
4. Provide surface rnoinnge, and divert excess runoff Me stable areas by using requirements as a growth medium. The existing soil should have these triter la: 4. The procedure used to establish grass In the channel will depend upon the sure that steel posts have projections to facilitate fastening the fnbri c.
water bars or turnouts (References: Runoff Control Measures). severity of the conditions and selection of species. Protect the channel 3. For reinforcement of standard strength filter fabric, use wire fence with a
5. Keep cuts and fills at 2: 1 or flatter for safety and stability and to - Enough fine-grained (slit and clay) material to maintain adequate minimum 14 gauge and a maximum mesh spacing of 6 inches
with mulch or n temporary linter sufficient to withstand anticipated .
facilitate establishment of vegetation and maintenance, moisture and nutrient supply (available water capacity of at least . 05 velocities during the establishment period (Appendix 8. 05). Table 5.64E apeci#netbne For Sediment Force faMk
6. Spread a 6-Inch course of 'ABC' crushed stone evenly over the fu l t width of inches water to I inch of so l O. Maintenance anon,Te:nx Forttr,sit Pence nForcewwdW alwit,Propv gewubanwnts V,
the road and smooth to avoid depressions. - Sufficient pore space to permit root penetration. During the establishment period, check grass-tined channels after every ew Re uwa,eeo:wo- rvaer t$vO
7. Where seepage areas or seasonally wet areas must be crossed, install - Sufficient depth of soil to provide an adequate root zone. The depth to rock Ruw.w.a u:a. eeraas awPercn wwn L
rainfall. After grass Is established, periodically check the channel; check it ------- v0 subsurface drains or geotextite fabric cloth before placing the crushed stone or impermeable layers such as hardpans should be 12 inches or more, except on an se..am wwwowax waost ,n< A
after every heavy rainfall event. Immediately make repairs. It is particularly weuwasiw, ,00 W wNry
(Practice 6. 61, Subsurface Draln>. slopes steeper than 2: 1 where the addition of Sall is not feasible. Important to check the channel outlet and all road crossings for bank stability V ,� O S. Vegetate all roadside ditches, cuts, FILLS and other disturbed areas or - A favorable H ran for plant rem rmi p range p growth, usually ly 6. 0-6. 5. and evidence of piping or scour holes. Remove a l t s i gn i f I cant sediment z-wwyw,edreeen aw .eo w,vev O
otherwise appropriately Stabilize as soon as grading is complete (References: - Freedom from large roots, branches, stones, large clods of earth, or trash of accumulations to maintain the designed carrying capacity. Keep the grass in a pa py, ,Surface Stabilization).zation). any kind, Clods and stones may be left on slopes steeper than 3: 1 If they are health, vigorous condition at all times, since it Is the primary erosion eeawmm�- wsrwo wet .1o� a.as wwry
9. Provide appropriate sediment control measures to prevent off-site to be hydroseeded. protection for the channel (Practice 6. 11, Permanent Seeding). „m ado dm un.m"
sedimentation. If any of the above criteria are not met-i. e. , If the existing soil is too
<us akw.el pW 4w1 -y(n�j
Maintenance coarse, dense, shallow or acidic to foster vegetation-special amendments are w � mxer. 1•, V
a:waerewwar Aerwa°aw www�wa mouamww.a" wmdmm.,:" r"""'
required. The soil conditioners described below may or, w,e,aw Inspect construction rands and parking areas periodically for condition of be beneficial lnl 6" MINIMUM
bly topsoil may be applied In accordance with Practice 6
, . 04, Topsol ling.
surface. apdress with new gravel as needed. Check road ditches and other prefera r'ab n..r ".cernb"wno:;w.mm,mwtnavw;arws�awa tee '"ram. N e ��
seeded areas for erosion and sedimentation after runoff-producing rains. Slit t Conditioners o-.•w..".��.....+as.m.w :,nyw.aavarwxrw.e,�,m,m"va x..w.,,aos,.�naw e:c.,.,�,�.e THICKNESS ��
q...wRvmmw,�w.,mera,n�reos".,A:m /"
Maintain svegetation I n healthy, v i gorous condition. Sediment-producing ren:envea»m.m,m wan tea ve+�":fo<sa
nreas should b b t
e treated
Immediately.
diately. I95 order to Improve the structure or drainage characteristics of n soil, the
following material may be added. These amendments should only be necessary where Solis have limitations that make them poor for plant growth or for fine S B Sediment Basin w/ Rock Dam (see additional notes and specs) CONSTRUCTION
turf establishment (see Chapter 3, Vegetative Considerate ons). 1.Construct the sediment barrier of standard strength or extra strength
Specifications # 6. 63 - Construction Specifications synthetic filter fabrics,1. Site preparations-Clear, grub and strip topsoll from areas under the 2. Ensure that the he l ght of the sedi ment fence does not. exceed 18 inches bove Za-3',
COARSE
Temporary Gravel ntrance/Exit Peat-Appropriate types are sphagnum moss peat, hypnum moss peat, reedsedge peat, embankment to remove trees, vegetation, roots and other objectionable material. the ground surface. (Higher fences may impound volumes of water sufFlcl t to AGGREGATE
C E Specification # 6. 06 - Construction Specifications or peat humus, all from fresh-water sources. Peat should be shredded and Delayclearing the p
conditioned In storage plies for at least 6 months after excavate on, 9 pool area until the dam is complete and then remove brush, cause fat lure of the structure)
Sand-clean and free of toxic materials trees and other obj ectIonab le matter l a is to facet hate sediment clennout. 3, Construct the filter fabric from a continuous roll cut to the length of the
t. Clear the entrance and exit area of all vegetation, roots and other Stockpile all topsoll or soli conta l n l ng organ lc matter for use on the outer barrier to avoid joints. When Joints are necessary, securely fasten the Inter
objectionable material and properly grade it, Vermiculite-horticultural grade and free of toxic substances. shell of the embankment to facll hate ve etat eve estate I shment. Place tem orar cloth only at a Support post with overlap to the next
R. Place the ravel to the specific p Rotted manure-stable or cattle manure not containing undue amounts of straw or e P Y Y PP P p post.
g p grade and dimensions shown on the inns and g sediment control measures below the basin as needed. 4. Support standard strength filter fabric by wire mesh fastened securely the
smooth It. other bedding materials. 2. Cut-off trench-Excavate a cut-off trench aloe the centerline of the earth up slope side of the posts using heavy duty wire staples at least I inch tong, NOTE: SEE NARRATIVE r
3. Provide drainage to carry water to a sediment trap or other suitable outlet. Thoroughly rotted sawdust- free of stones and debris. Add 6 lb. Of nitrogen to fl 11 embankment. Cut the trench to stable soli meter la 1, but in no case make It or tie wires. Extend the wire mesh support to the bottom of the trench. Z MINIM U M
4. Use eotextile fabrics because the improve stabilit of the foundation in each cubic yard. 5. When a wire mesh support fence is used, space posts a maximum of 8 ft apart. FOR MORE DETAIL.
9 Y a Y less than 2 ft. deep. The cut-off trench must extend into both abutments to at
locations subject to seepage or high water table, Sludge-Treated sewage and industrial sludges are available in various forms: Support posts should be driven securely into the ground to a minimum of 18
least the elevation of the riser crest. Make the minimum bottom width wide
.01111111111
these should be used only in accordance with local, State and Federal Inches.
Maintenance re ulntions. enough to permit operation slopes
excavation he and compaction equipment but in no cone 6. Extra strength fitter fabric with 6ft 9 g post spacing does not require were mesh
Maintain the . ravel ad In a condition to less than 2 ft. Make side slopes of the trench no steeper than Ii 1. Compaction support fence. Staple or wire the filter fabric direct) to
g p prevent mud re sediment From lenvton requirements are the same as those for the embankment. Keep the trench dry ca p y posts.
the construction site. This may require periodic to dressin with 2-inch stone. Species Selection 7.Excavate n trench approximately 4 inches he b and 8 inches deep along the ENTRANCE/EXIT DETAIL
P 9 during backfllling and compact)on operations. Ilse of ants and ups a from the barrier CfI
After each rainfall, Ins ect an structure used to trt sediment and clean It Use the key to Permanent Seeding Mixtures (Table 6, 11 b) to select the most proposed p P P cure 6. t620.he
P Y P shoul3. d
clean
fill material from the approved Wrens shown on the plans. It B. fabric. the trench with compacted soil or ravel laced over the filter
out as necessary. Immediately remove all objectionable materials spitted, appropriate seeding mixture based on the general site and maintenance factors. P 9 P
p A listing of species, including scientific names and characteristics, is given should be Glenn mineral soil, free of roots, woody vegetation, rocks and other fabric.
washed, or tracked onto public roadways, Append lx &02. a objectionable material. Scarify areas on which fell is be placed before.pima n0 9.Do not attach filter fabric to existing trees. N.T.S.
fl:Uti. The er'I't't' matel"I'ak must, carrat:m, stiff l'ci'ent moisture se it cam,de, fbrmedt by Maintenance
S'Recibed Preparation hand Into a bell without crumbling. If water can be squeezed out of the bell, it Inspect sediment fences at least once a week and after each ralnfalL Make any
7 stall necessary mechanical erosion and sedimentation control practices before is too wet for proper compaction. Place fill material in 6 to 8-Inch required repairs immediately.
Temporary Seeding s ealing, and complete grading according to the approved plan. continuous layers over the entire length of the fill area and then compact It. Should the fabric of a sediment fence collapse, tear, decompose or become
Specification # 6. 10 - Specifications Lime and fertilizer needs should be determined by soil tests. Solt testing Is Compaction may be obtained by routing the construction hauling equipment over ineffective, replace it promptly. Replace burlap every 60 days. I
performed free of charge by the North Carolina Department of Agriculture soil
the fill so that the entire surface of each layer is traversed by at least one Remove sediment deposits as necessary to provide adequate storage volume fbr the
Complete testing Laboratory. Directions, sum wheel or tread track of the heavy equipment, or a compactor may be used. next rain and to reduce pressure on the fence, Take care to avoid undermining Land Gradino
p grading before preparing seedbeds and install all necessary erosion 9 Y• Semple cartons, and information sheets are Construct the embankment to an elevation 10% higher than the design height to the fence during clennout.
control practices, such as dikes, waterways and basins. Minimize steep slopes a altabte through county agricultural extension offices or from NCDA. Because e e e Remove all fencing materials and unstable sediment deposits and bring the rea l. Co Specification # 6, D2 - Construction Specifications
because the make seedbed g lab requires 1-6 weeks for sam le turn-around, sampling allow for settling. 1. Construct and maintain all erosion and sedimentation control practices and
t e NCDA soli testis � P
y during grad difficult and Increase the erosion hazard. q p P e 4. Condult spillways-Securely attach the riser to the barrel or barrel stub to to grade and stabilize It after the contributing drainage area has been pr per ly measures In accordance with the approved sedimentation control plan and
If soils become compacted during grading, loosen them to n depth of 6-8 inches m st be planned well In advance of final grading. Testing is also done by make a watertight structural connection. Secure all connections between barrel stabilized. construction schedule.
using a ripper, harrow, or chisel plow, commercial laboratories, sections b roved watertight assemblies. Place the barrel and riser on a 2. Remove
When soil test are not available, follow rates suggested on the Individual y approved a good topsoil from areas to be graded and filled, and preserve It for
Seedbed Preparation specification sheet for the seeding mix chosen (Tables 6. 11c through 6. Inv). firm, smooth foundation of impervious sell. Do not use pervious material such use in finishing the grading of all critical areas.
Applications rates usually fall Into the following ranges: as sand, gravel, or crushed stone as backfit( around the pipe or anti-seep 3. Scarify areas to be topsolled to a minimum depth of 2 inches before placing
Good seedbed preparation is looseessen ins to successful plant establishment. A good collars. Place the fill material around the pipe spillway in 4-inch layers and topsoil (Practice 6. 04, Topsoiling).
seedbed Is well-pulverized, loose and uniform. Where surface
of far methods are - Ground agricultural limestone
used, the surface may be left with n more Irregular surface of Large clods and slight-textured, sandy soils) 1-1 1/2 tons/acre compact It antler and around the pipe to at least the snore density as the 4. Clear and grub areas to be filled to remove trees, vegetation, roots, or other
stones. ' Heavy textured, clayey soils 2-3 tons/acre adjacent embankment. Care must be taken not to rat se the pl pe from firm contact objectionable material that would affect the planned stability of the FILL.
-�' Fertl d zero with its foundation when compacting under the pipe haunches. 5.Ensure that fill material is free of brush, rubbish, rocks, logs, stumps,
STABILIZATION TIME FRAMES,
Liming he - Apply U me according to soli test recommendations. If the pH (acidity) Place a minimum depth of 2ft. of hand-compacted backf Ill over the pipe spillway budding debris, and other materials Inappropriate for constructing stable
of the soil is not known, an application coarse- ex ground agricultural limestone at the 'Grasses 800-12ix lreacre of 100 Ho/acre
(or the 10-equ1va lent) before crossing It with construction equipment. Anchor the riser In place by f1 lls•
rate to 1 ed 1 Sol is
tons/acre on coarse-textured soils and 2-3 tons/acres on ' Gross-legume mixtures 8evenly0 lb/acre of ate into
(or the equivalent)the concrete or other satisfactory means to prevent flotation. In no case should the SITE AREA DESCRIPTION STABILIZATION 6. Ptace ail fill in Layers not to exceed 9 inches in thickness, and compact the
Innertextured soils Is usually sufficient. Apply limestone uniformly and Apply lime and other
fertilizer evenly and Incorporate into the top con ruches he soil
Incorporate into the top 4-6 Inches of Sol I. Soils with a pH of 6 or hi her bar disking or other suitable means. Operate machinery on the contour. When pipe conduit be Installed by cutting a trench through the dam after the � layers as required to reduce erosion, slippage, settlement, or other related
c embankment is complete. problems.
need not be t Imed. using n hydroseeder, apply time and fertilizer to n rough, loose surface. Perimeter Ple ter d i ke s, SWQ Les, ditches tChes and s l0 es 7 DAYS
5. Emergency spl llway-Install the emergency spillway in undisturbed soil. The P 7. Do not Incorporate frozen material or soft, mucky, or highly compressible
Fertilizer- Base npp Ucat;on rates on soli tests, When these are not possible, achievement of planned elevations, grade, design width, and entrance and exit materials Into fill slopes.
apply a 10-10-10 grade fertilizer at 700-1,000 la. /acre. Both fertilizer and Roughen surfaces according to Practice 6. 03, Surface Roughen Ing. channel slopes are cr I tI cal to the successful operate on of emergency spI Itway, High Quality Water ( HQW) Zones 7 DAYS S. Do not place fill on a frozen foundation, due to possible subsidence and
l Ime should be Incorporated Into the top 4-6 inches of sot I. If a hydraulic Complete seedbed preparation by breaking up large clods and raking Into a 6. Inlets-Discharge a water Into the basin In n manner to
seeder Is used, do not mix seed and fertI l Izer more than 30 minutes before smooth, uniform surface (slope less than 3, 1) FILL in or level depressions than g prevent erosion, Use S lopes steeper than 31 1 7 DAYS slippage.
diversions with outlet protection to divert sedi meat-laden water to the upper P P 9. Kee phases
of
and other water conveyance measures free of sediment during
application. can collect water. Broadcast seed into n freshly loosened seedbed that has not p Y g
been seated by rainfall. end of the pool area to improve basin tpap efficiency (References- Runoff Slopes 31 1 or f latter 14 DAYS all phases of development.
Surface roughening- If recent tillage operations have resulted in n loose Control Measures and Cutlet Protection), 10. Hand Le seeps or springs encountered during construction In accordance with
surface, additional roughening may not be required except to break up large 7. Eroslon control-Construct the structure so that the disturbed area Is approved
clods. If rainfall causes the surface to become sealed or crusted, loosen tt i Al l other areas with sl0 es f latter than 41 1 14 DAYS ermann methods (Practice graded
Subsurface Drain).
minimized. Divert surface water away from bare areas. Complete the embankment P 11. Permanently stabilize all graded Wrens Immediately after final grading is
Just prior to seeding by disking, raking, harrowing, or other suitable methods, before the area is cleared. Stabilize the emergency spillway embankment and all completed on each area in the grading plan. Apply temporary stabilization
Groove or furrow slopes steeper than 311 on the contour before seeding (Practice other disturbed areas above the crest of the principal spillway Immediately NOTE WELL, measures on all graded areas when work is to be interrupted or delayed for 30
61 03, Surface Roughening), after construction (References: Surface Stabilization). working days or longer.
Plant Selection B. Safety-SedI ment basins may attract children and can be dangerous. Avoid steep 12. Ensure that topsoil stockpiles, borrow areas, and spoil areas are adequately
side slopes, and fence and mark basins with warning signs if trespassing is ANY AREAS ON-SITE WITHOUT ACTIVITY SHALL BE STABILIZED WITHIN protected from erosion with temporary and final stabilization measures, including
Select on appropriate species or species mixture from Table 6. 10a, for seeding tikety, Follow all state and local requirements. IS WORKING DAYS AND AS ABOVE ALL SLOPES sediment fencing and temporary seeding as necessary.
In late winter and early spring, Table 6. 10b for summer, and Table 6. 10c for Table 6. 11s - Seeding No. 4CP for, .
fatL. WetL-➢rained Sandy looms to Dry Sands, Coastal Ptain; Low to Medium-Care Lawns Maintenance MUST BE STABILIZED WITHIN 21CALENDAR DAYS OF CEASE OF ANY Maintenance
Seeding mixture Check sediment basins after periods of significant runoff. Remove sediment and Periodically check all graded areas and the supporting erosion and sedimentation
Seeding Species - Centipedegross - Rate - 10-20 lb/acre (seed) or 33 bu/acre (sprigs) restore the basin to its original dimensions when sediment accumulates to one- ACTIVITY. control practices, especially after heavy rainfalls. Promptly remove all
Evenly apply seed using a cyclone seeder (broadcast), drill, cultipacker seeder, Seeding dates - Mar, - June, (Sprigging can be done through July where water is half the design depth.
or h droseeder. Use seeding rates available for irrigation. ) sediment from diversions and other water-disposal practices. If washouts or
Y g given in Topes where-equip. Broadcast seeding 9 Check the embankment, spillways, and outlet for erosion damage, and inspect the breaks occur, repair them immediately. Prompt maintenance of small eroded areas
and hyroseeding are appropriate for steep slopes where equipment cannot be Soll amendments - Apply lime and fertilizer accord ing to soil test, or apply 300 embankment for piping and settlement. Make all necessary repairs Immediately. before they become significant gullies Is an essential part of an effective
driven. Hand broadcasting Is not recommended because of the difficult in tb/acre 10-10-10. Remove all trash and other debris from the riser and erosion and sedimentation control plan.
Y pool area•
achieving n uniform dlstributlon. Small grains should be planted no more than 1 Sprigging - Plant sprigs to Furrows with t tractor-drown transplanter, or
inch deep, and grosses and legumes no more than 1/2 Inch. Broadcast seed must broadcast by hand.
be covered by raking or chain dragging, and then lightly firmed with a roller or Furrows should be 4-6 inches deep and 2ft apart. Place sprigs about 2 ft, apart
cuttlpacker. Hydroseeded mixtures should Include a wood fiber (cel(ulose) mulch. inithe row with one end at or above ground level (Figure 6. 11d)•
Broadcast at rates shown above, and press sprigs into the top 1 1/2 inches of
Mulching Solt with a disk set straight so that sprigs are not brought back toward the
The use of appropriate mulch will help ensure establishment under normal su face.
conditions and is essential to seeding success under harsh site condition Mu ch - Do not mulch
(Practice 6. 14, Mulching), Harsh site cond i t I ons include, Me ntenance - Fertilize very spar a ng ly- 20 lb/acre n i trogen in spr a ng with no Note:Metal stakes are minimum 4'long, 1.33 Ib/LF steel.
-seed l ng in fall for wl nter cover (wood fiber mulches are not cons Idered phosphorus. Centipedegrass cannot tolerate high pH or excess fertilizer. Note:8'Max standard strength Fabric w/wire fence
adequate for this use), Note:6'Max extra strength Fabric without wire fence
-slopes steeper than 3: 1, }
-excess.I ve,ly hot or dry weather, le le 6. lit - Seeding Na. 5SR' Nmre: W�ltli-D1rml�medi Salmvkg li.mioen� to Biryy Snmdez-, L.•.ry Ig ry
-adverse soits(shatlow, rocky, or high in clay or sand), and Mall FILTER FILTER ntenance
SEE NARRATIVE
-
-areas receiving concentratedtow. Se ding mixture FABRIC FABRIC
If the area to be mulched is subject to concentrated waters low, as in channels, Species Rate Clb/acre)
anchor mulch with netting (Practice 6. 14, Mulching). Pensacola Bahiagross 50
Sericea lespedeza 30 BACKFILL EXTENSION OF
Common Bermudagrnss 10 FABRIC AND WIRE COMPACTED
German m i L Let 10 MINIMUM 8" INTO THE TRENCH FILL
THICK LAYER
Seeding notes
OF GRAVEL li
.
1. . Where a neat appearance is desired, omit Sericea ... ...... ... WIRE
WIRE
.......
Table 6. lid - Temporary Seeding Recommendation for Late Winter and Early Spring 2. Use common Bermudagrnss only on isolated sites where it cannot become a pest.
Seeding mixture Bermudagrnss may be replaced with 5 lb/acre centipetlgrass,
Species- Rye(gr( lb/acre)-
1 n), Annual l espedezn (Kobe in P I edmont and Coastal Plain COMPACTED FILL OR V-TRENCHv1N 1I�II IOL
Rate ( lb/acre)- Ide Seeding dates - Apr. 1 - July 15 GRAVEL,EXTENSION \/\/\/\ Io \/\/\/ `����•( S3 R 4�Omit annual lespedeza when duration of temporary cover Is not to extend beyond Soil amendments - Apply U me and fertilizer nccording to soil tests, or apply OF FABRIC AND WIRE /June 3,000 lb/acre ground agricultural limestone and 500 lb/acre 10-10-10 fertilizer. INTO THE TRENCH //�/ �/ �d OFF ON
Seeding dates-Coastal Plain - Dec, 1 - Apr. 15. Mulch � � $�L
Solt amendments- Follow recommendations of soli tests or apply 2,000 lb/acre Apply 4,000 lb/acre grain straw or equivalent cover of another suitable mulch. NOTE: /���/��� M 14"MINIMUMas
ground agricultural limestone
stra and 750 lb/acre 10-10-10 fertilizer,U zer. Anchor by tacking with asphalt, roving and netting or by crimping with a mulch SEE NARRATIVE �� - L-2B76
�� �� �� :'rrrrr cr. 6a 4"MINIMUM
Mulch-Apply anchoring
straw. Anchor straw by tacking with asphalt, netting anchoring tool. A disk with blades set nearly straight can be used as n mulch FOR MORE DETAIL. ������ ���� SECTION = Oar or a mulch anchoring tool. A disk with blades set nearly straight can be used anchoring tool \����>%�j/%�j/ /� ..(9� y :.
as a mulch anchoringteal. ISOMETRIC VIEW SECTION, %.G',Q' •. sac . Q/,�
as growth
- Rres. l y the moved
only Apr. with . Where
nitrogen. Repent SEDIMENT FENCE ( SILT FENCE )
SF
Maintenance - Refertllize If growth Is not fullyter adequate, Reseed, refertl size desired, requires. May be moved only once n year. Where a Went appearance Is o /w/FG A. �P
and mulch immediately following erosion or other damage. desired, omit serlcen and now as often as needed. 11IG A, LNIII\v
Table 6. IOb - Temporary Seeding Recommendat i ons for Summer NTS i/� '`'D�
Seeding mixture PRACTICE 6.62 � ^;/2!/
Species-German millet Table 6. liv - Seeding No. 7CP For: Grass-tined Channels; Coastal Plain l/.f1/
Rate(
Seeds g/dare)- 40 Seethes Mixture
Commo NOTE WELL: DATE: 01-25-23
Seeding dates-Coastal Plain- Apr. 15-Aug. 15 Species - Common Bermudagrnss - Rate - 40-60 C1/2 lb/1,000 ft )
So! ( amendments-Fo L tow recommendat i ons of so l I tests or apply 2,000 I b/acre Seeding dates - Coastal P La i ni Apr - July EROSION CONTROL DETAILS AND SPECIFICATIONS ARE AS PER THE"EROSION
ground agricultural limestone and 750 lb/acre 10-10-10 fertilizer. Sol I. amendments - Apply lime and fertlI Izer according to soli tests, or apply AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL"OF THE STATE OF
3,boo a b/sere round a s I cu t tart l limestone mestone and fee i veacre 10-10-10 fertilizer.1 I zer. NORTH CAROLINA, DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES, ate:
Mulch -Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting e 9 �I
or a mulch anchoring tool. A desk with blades set nearly straight can be used Mulch e Use jute, excelsior matting, or other effective channel extend material LATEST EDITION. PRACTICE NUMBERS REFER TO THIS MANUAL. SITE PLAN O F 01-25-23
as n mulch anchoring tool. to,cover the bottom of channels and ditches. The Lining should extend above the
Maintenance-Referttuze if growth Is not fully adequate. Reseed, refertllize highest calculated depth of flow. On channel side slopes above this height, and CONTRACTOR IS RESPONSIBLE FOR MAINTAINING A COPY OF THIS MANUAL 1 TREE SHAKER SAND MINE scale.
and mulch Immediately following erosion or other damage. In drainages not requiring temporary Linings, apply 4,000 lb/acre grain straw ON-SITE AND ENSURING THAT ALL SUPERVISORS ARE FAMILIAR WITH THE
and anchor straw by stapling netting over the top. STANDARDS AND SPECIFICATIONS SHOWN IN THE MANUAL AND ON THE PLAN.
Seeding mix i"=100'
Table 6. fx - Temporary Seeding Recommendation for Fall Match and anchoring materials must be allowed to wash down slopes where they canture clog drainage devices. NOTE: NEW HANOVER COUNTY NORTH CAROLINA
Drawn:
Species-Rye(grain) Maintenance -A minimum of 3 weeks Is required for establishment. Inspect and DETAILS SHOWN ARE TYPICAL OF INSTALLATIONS REQUIRED BY COLUMBUS COUNTY. GAW
Rate( lb/acre) - 120 repair mulch frequently. Refert e l e ze the following Apr. with 50 lb/acre THIS SHEET DOES NOT PURPORT TO SHOW ALL REQUIRED CONSTRUCTION DETAILS,BUT checked:
Seeding dates - Coastal t P la i n and P I edmont-Aug 15 - Dec. 30 n i trogen. RATHER SERVES AS A GUIDE.THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL OWNER: 421 $ANC MINE LLC
GAW
limestone
! amendments - Follow re I tests or apply 2,000 lb. /acre COUTY AND STATE CODES AND CONSTRUCTION STANDARDS. P.O. BOX 100 pp y ground ngrlculturel
limestone and 1,000 Lb/acre 10-10-10 fertilizer. Refer to Appendix 8, 02 for botanical names WINNABOW, N.C. 28479 Protect No:
Mulch- Apply 4,D00 lb/acre strew. Anchor straw by tacking with asphalt,
netting, or a mulch anchoring toot. A disk with blades set nearly straight can
be used as n mulch anchoring tool. 11936
.Maintenance- Repair and refertid ze damaged areas Immediately. Topdress with 50
lb/acre of nitrogen in March, If it is necessary to extend temporary cover
beyond June 15, overseetl with 50 lb/acre Kobe (Piedmont and Coastal Plain) HANOVER DESIGN SERVICES, P.A. Sheet No:G
REV.NO. REVISIONS DATE LANDSURt YORS ENGINEERS&LANDP"NNERS V
PRELIMINARY PLAN 1123PLORAL PARKWAY
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