HomeMy WebLinkAbout20240403_Mine_Maps Owner/Permittee :
Sanford LC , LLC ..
HDR Engineering, Inc. of the Carolinas
310 S . West
St . , RaleighSuite 200 NC 276034�40 S. Church St.
Suite 1000
En gineer of
Record : HDR Engineering , Inc . of the Carolinas Charlotte, NC 28202-2075
704.338.6700
N.C.B.E.L.S. F-0116
40403 To�4
Permit Drawings For INDEX OF DRAWINGS
® GENERAL
OOG-01 COVER
Colon Min ... Site
OOG-02 MINE MAP (EXISTING CONDITIONS)
SITE WORK
® OOG-01 MINE DEVELOPMENT PLAN (1 OF 2)
OOC-02 MINE DEVELOPMENT PLAN (2 OF 2)
OOC-03 MINE RECLAMATION PLAN
in
e er OOC-04 SITE CROSS SECTIONS
OOC-05 MISCELLANEOUS DETAILS
OOC-06 SEDIMENT BASIN DETAILS
di' f' t
mol....'. ica ion
PROJECT LOCATION Lee County , North Carolina
,x
er mi O . 53 -05
Civil
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a
5,¢ �. pigoagrHiV1V *i�
HDR Project No.
10021146
d
Sanford , North Carolina
Sources:fan, DeLurrrre i, .. Q; USGS, NRCAN,MET's, ;P(C,Torn Tom March 2021
Revised May 2021
Revised December 2023
Submitted to NCDEQ - DEMLR
1 2 4 5
0
a_ 6 7 8
I I o o I I o N I I Kenneth M.Alexander
zi'"' °' u°' °' „_°' Tract I
ya I I n� I ��' I PC8P616C
o n°u I E° I J I Db.530,Pg.56 j r-0DITIONAL ARY K75
N SCOPE:
� I
BOU
I i a I N I N RIMATIIOND(TYP) 00C-05
Ad�oiner Fence THE PURPOSE OF THESE DRAWINGS IS TO TRANSFER THE OWNERSHIP OF THE MINE AND
J
Encroaches Kmetc M.Alexander
I I I I I I By 16 T Kenneth M.Alexander Tract 530,Pg.56
UPDATE BOTH THE EXCAVATION PLAN AND RECLAMATION PLAN.
\,, I --L- ! act 3
c �,r I I �/ - ✓35 S�F 66J.bb i PC 6 P6 16C PG 8 PG 16C a o land
I N@7,,/.� . T 1T,ral' � / � t y Lynn
awn Col rawley Bk 703 Pg.853
Ob. 12(4,Pg.788
NOTES:
0 I 1. TOPOGRAPHIC SURVEY PROVIDED BY AVIO IMAGE MAPPING SERVICES,
VICES, INC. ALTA
PropertyLme la/laws the Cente��e
SURVEY COMPLETED, BY LAWRENCE ASSOCIATES DATED AUGUST 14 2014.
L / o Qr. John L.RigyS o/s //b�vxh xd,0t,
- - - - - o bk. 1213:Pg.558 \ CLEARWATER ENVIRONMENTAL PROVIDED WETLAND LOCATIONS TO LAWRENCE
PC 16D \
g 3 1!?5 Llo7..,!,l,�q
ASSOCIATES FOR INCLUSION INTO THEIR SURVEY. ALL SURVEYS ARE
\ .. REFERENCED TO THE NORTH CAROLINA STATE PLANE COORDINATE SYSTEM. D
O*p
Thomas W. //, o ?�0 / l\ v%,c. e/ o L4 �
13k. i021,Pg.\ C� N I 4�p Ld� J s I !s `' „ 2. PROPERTY BOUNDARY PROVIDED BY LAWRENCE ASSOCIATES DATED
n 0 6 sa SEPTEMBER 5, 2014.
6* ,� oo EXISTING MINE PERMIT /
3. GROUNDWATER WELL Gerec - ,e ttn k.l c 00 8Y.00
1 BOUNDARY (TYP) &, L LOCATIONS PROVIDED BY LAWRENCE ASSOCIATES DATED
Cik
1
Sri SEPTEMBER 5, 2014.
/' act p,pp \� o0
.. ! °' 4. FLOODPLAIN LOCATION IS F
�?xp '� � y°''' ,� ,..✓�''" /� ,.. FROM LAWRENCE ASSOCIATES AS IDENTIFIED ON
. ` 0 . `., FLOOD
s � .. .,� - �a /r . ' (� l o`ooLi/1hi.�nch�'Adch.
r ,t,,� � � ' ���' o�:;' INSURANCE RATE MAP FOR LEE COUNTY NORTH CAROLINA COMMUNITY
Chrr,topher Ros Chenco .` `S� �` db r�°a.a I hF 9
Pc 5 Pc l7o I fr' i \ 4+ ? 6 19.9 q. / PANE
"b$e°h.a / p0 �J ' L NUMBER 3710965400J, DATED SEPTEMBER 6 2006. LAWRENCE
g rj
Bk. ls,P .59 I lg,� ASSOCIATES CERTIFIES THAT A PORTION OF THIS PROPERTY IS LOCATED IN A
.,.. SPEC
Op SPECIAL FLOOD HAZARD AREA AS DETERMINED BY THE FEDERAL EMERGENCY
.
MANAGEMENT AGENCY
�10*0
o
I vS\ `":��� ,• ,, I /;' �/ �i \� 0 �2X pp '• '� J��.---` \�, / 5. WETLANDS DELINEATED BY CLEARWATER ENVIRONMENTAL ON AUGUST 8, 2014.
`''�� ry \' 24'`00 �� 6. THE WETLANDS AND STREAMS THAT ARE IMPACTED BY THIS PROJECT WILL BE
?6xp �\` PERMITTED THROUGH NC DIVISION OF WATER QUALITY AND MITIGATED AS
/ 0 REQUIRED
UIRED PRIOR TO LAND DISTURBANCE. ESTIMATED IMPACTS INCLUDE:
00
_- -
30*0 \\ y \ /,!r •2,040 LINEAR FEET OF STREAMS
\\ F \ u 0IL
/ •27,106 SQ. FT. (0.62 ACRES) OF WETLANDS
00
ACCORDING TO LAWRENCE ASSOCIATES SURVEY, LEE COUNTY PUBLIC
,, 0 / \��� WORKS PROVIDED THE ADDRESSES FOR DRINKING WATER WELL
° II p
?*0p °b 5 r j, , oo / 3gX00 � \ LOCATIONS AND WATER SERVICES TO ADJOINING PARCELS WITHIN 500
�\ ! (,I"c3.'c Kfc iiu7r i,•,ioY,t-f- yC \�. // 3 • /`
300 RESIDENCE/GROUNDWATER \
4Xpp 8*00 � FEET OF THE PROPERTY LINE. LEE COUNTY PUBLIC WORKS PROVIDED
WELL BUFFER (TYP.) ,�, \ 6ri� `�''�° �� O\ / '' 4px p p/ E PARCELS SERVED BY COUNTY WATER. PUBLIC WATER SUPPLY
0 00C_ (WATERLINE) IS LOCATED ALONG COLON ROAD.
� Op a t \� w p
8� �O �/ p 7. THE PRIMARY SITE ENTRANCE IS FROM COLON ROAD. C
10,00 44x
/` 8. SOIL STOCKPILE AREAS TO BE DESIGNED AND PERMITTED AS NEEDED FOR
14x CO) ADDITIONAL OPERATIONS.
<\�` // ,P 00 5 PERMIT BOUNDARY
16*pp \� 4 OOC-05 INFORMATION (TYP) 9. THE COLON MINE SITE'. IS LOCATED IN LEE COUNTY, NC.
18xp0 ,\/`_ L
?Ox 10. THERE ARE CURRENTLY NO PLANS TO CONSTRUCT ON-SITE BUILDINGS.
Dwell op - - - - - - - -
a pp 11. THERE ARE CURRENTLY NO PLANS FOR ON-SITE STORAGE FACILITIES FOR FUEL
\ v TANKS, SOLVENTS, OR OTHER CHEMICAL REAGENTS.
I 1 o Oo
GENERAL MINE INFO
?8"00 61 EXISTING MINE PERMIT INFORMATION
\ 30,, C BOUNDARY (TYP)
ManIyr Be"ry -� w \ `� _ �~o/ph`` .•\ . / / 00 OpC p 6�. THE COLON MINE (PERMIT NO. 53.05) IS LOCATED ON COLON ROAD ABOUT 3
Bk707Pg li ^I / 3?x 4 n �' MILES NORTH OF SANFORD�� _ \ _ Op 3 /� - NC IN LEE COUNTY. CURRENTLY, 371 ACRES OF
ek.4 s,P1.335 ( o \( 4� \ 1 - - - - - - W LAND ARE WITHIN THE MINE PERMIT LIMITS WITH 314 ACRES OF LAND ALLOWED
/ a Op /, i/ O Well ` 9 5 _I
EXISTING MINE PERMIT r `, y\ \ \ \ \ \ \ J � ,�� oa APPROXIMATE LIMITS \,\w TO BE DISTURBED.
/ z
�' `� / Q' OF ACTIVE MINING AREA N
BOUNDARY (TYP) 1 _BASIN NIO. 16 / / a�� , BASIN NO. 11 / o �'"- J THE EXISTING BASINS (HAVE BEEN FORMED BY MINE EXCAVATION AND THE
��.� OUTLETS CONSIST OF (BRICKBAT SECTIONS OR PIPE CULVERTS. HOWEVER,
'
-A�e s��at-- / �'� G5 2� - - - - - W SEVEN (7) BASINS HAVE NOT BEEN INSTALLED AT THIS TIME AND HAVE BEEN
I ` / / Wd6am h.Kottcan
&0 �� - �� - ,. POND Witham H. oticarnp Kenneth L Moore Bk 465 Pg 77
�l I 3,8�07 sf_ / vb ' �� \ bk465 776 /�sk264 7. I REDESIGNED AS DRY DETENTION BASINS WITH SLOW DRAINAGE OUTLETS. AT
r-� °"'�' s'' ' -,.� - - _ THE MAJORITY OF THE DISTURBANCE AREAS, EXCAVATION EXTENDS BELOW
- - - - - - - - - - - - - - - r.�� »>�a,^u�uw•uyrr.� o
g57 (- ' THE LOWEST LEVEL OF THE BRICKBAT OUTLET SECTION THAT IS PROVIDED FOR
� .......... PC 8 Pg 87 �r
ADDITIONAL �.�.�...��. se?°102""
,E 48600 1 THESE BASINS. THE WATER ACCUMULATED BELOW T
PERMIT BOUNDARY 5 Off %-. �.R....,...., � '.,4 ya.�;39�:3 ,93 ` ss,,..: 908.t 3 046 I( HE BASIN OUTLETS IS
{ , NDARY 'R"
,,,, .... _ DISCHARGED WITH AN IRRIGATION PUMP WITH A M
a, INFORMATION TYP OOC-05 MAXIMUM CAPACITY OF 1500
William T Reaves,Jr. O` ." �r /e� (TYP) 44 \� r -.:; - W GPM. WATER IS DISCHARGED TO
ao ee :,ire 55
�I 1 �o �,,,, z AN ADJACENT MINE/ BASIN AREA.
' Pc 9 Pg 238 FUTURE � ; � BASIN x , ..:---'� .- \O �� � I
NO. 1 v / UNDISTURBED BUFFERS -
MINE AREA / ARE 50 FT AND ARE PROVIDED ALONG ALL CREEKS.
'' '� POWER LINE ��,�, sj
e % \ t
�/ = ALSO, 50-FT UNDISTURBED BUFFERS ARE PROVIDED ALONG ROADWAY AND
STOCKPILE r_r' / •' RIGHT-OF-WAY ✓ POND 4-3�-3zv47 r
' '_`;Ishk,I 0 BASIN '' U RAILROAD RIGHT-OF-WAYS. AT POWER LINES THE MINE EXCAVATION IS
_ _ ;�I �4 P .so `
T1 1` f` / \ I MAINTAINED AT LEAST;50-FT FROM THE POWER LINE SUPPORTS.
- - - EXISTING MINE PERMIT r ! NO. 11A Q
MchaelM.Reaves '�� / EXISTING MINE PERMIT -� .-
BOUNDARY (TYP)
PC9Pg238 :� BOUNDARY (TYP) /i C1',. k( - " " I BASINS 17 THROUGH 23 HAVE NOT YET BEEN INSTALLED. THESE BASINS WILL
Bk 102 Pg 157 '
i INACTIVE INACTIVE BE INSTALLED BEFORE MINING IS CONDUCTED IN THE AREA O� --------�_ F THESE BASINS.
,.�-� � _ �>;-.-------` MIN ,
O ` ' <r�:�> BRICKBAT „ _ Tow-�rt,imlt- !.,�±• MINING AREA - - ING AREA T •-'-7 THESE BASINS WERE ORIGINALLY D
- - - - - /, I sk j �/ �,. DESIGNED TO DISCHARGE AT BRICKBAT
REVEGETATED (REVEGETATED) , L; / OUTLET SECTIONS BUT HAVE
OUTLET ,. ( ) BEEN REDESIGNED AS DRY DETENTION BASINS.
bj
Q z Michael M.Reaves
`roar r
3. PC9P 238 BASIN �^ � ,,� ,���
Y Q 6k 119 Pg 664 Ci ;) "'t UPON COMPLETION OF MINING, IT IS ANTICIPATED THAT LAKES WILL BE FORMED
a J \ NO 14
„ ? /' FLOODPLAIN
s "'� AT THE MINE EXCAVATIONS. THE BRICKBAT SECTIONS WHEN PRESENT)WILL
m vJ¢' SEE NOTE 4 "` POND I
/'• ( ) '� . t BE LEVELED WITH A BROAD OUTLET FORMED. THE BERMS WILL ALSO BE
66 y % I .. REMOVED. FOR THE DRY DETENTION BASINS THE OUTLET STRUCTURES_ I I i URES AND
iEL I t•� !vd...2 mil'i1 I
-
INACTIVE BERMS WILL BE REMOVED WHEN THE UPSTREAM DRAINAGE AREA
r SHAVE BEEN
Da sy D and Cullen R Pascoe �, I I._ _ a►ix ,
(Do �- �.� MINING ARE, BRICKBAT . STABILIZED WITH VEGETATION. ROADWAY
a 13K312Pg87s -1 --� �--� �' � -, L�� � �t �� ,,...�< . �^' r S ARE FLUSH WITH THE GROUND OR
N 1 �,,�,, I REVEGETATED) ,,,�„� • ARE ELEVATED ABOVE (NATURAL GROUND BY EMBANKMENT FILL.
Q well / OUTLET
Q - tot
n- - - - - - - - - - - v
BASIN NO. 13
_ � � � �, -�... -`� ail R oa
o W Weu -T1ee ; STOCKPILE /
►r POND Norfolk Southern
r jrA► oo'�w
/ �r I Emma C Re s chael N Reaves M ne'al�,a',t v
oo Bk 19 P 664 I PC 8 P 87 �e to 6, I Pg 28'i5.-'Tt6
�h
Well Niera ;!ants^ t 4
WATER RECHARGE BASIN
I /
_t t�,�k I Pg 2,5 . ---� LEGEND
G E N D
�, J91 si e 964 zz REMAINDER OF
/""` .i'.
/ .� _ i
Q _,./ f ,� ,, ..� d Pin 9654-38-3247-00 ACREAGE TABLE
�r/' :' - -�PL�- PROPERTY LINE 21. 5± ACRES(PER DEED)
_�� ✓ �s ' �-' - 50' PROPERTY LINE BUFFER PLANIMETRICS BASIN NO. 10 CATEGORY AFFECTED ACREAGE
2 �„a/��, �''� O/ /
8J^ ' 50'WETLANDS/STREAM BUFFER
neY:/ �nISN�rs�nr�r �rkI , ..,. TAILINGS / SEDIMENT PONDS 28.5
q �. BASIN NO. 12
300' RESIDENCE/GROUNDWATER OPEN WATER A
,!:ar±„ a,celA4) � Cherokee Sanford p,L!C ryzC
\ \. 13k.564,Py�` /� _ WELL BUFFER
z INACTIVE s BRICKBAT
MINING AREA \\ \ (Parcel J /i ..f `�` /aa OUTLET STOCKPILES 7,4
(REVEGETATED) POND Tract Ir I , , �:, ,: EXISTING TOPOGRAPHY r\`JI WASTEPILES 5.0
7 ' I � � : Uri / r.-' r,--� .-. r .-� �.. ,-�
' / F°� ° - EXISTING ROAD STORMWATER BASIN FROM
r� Cabl (
p ����� 1� Vl�
PRIOR MINING ACTIVITIES
_ L.-` �,, \� �;^�* •�` PROCESSING AREA/ HAUL ROADS 17.5
IMPACTED WETLANDS/STREAMS FLOOD
MINE EXCAVATION 255.6
•'a- ..
��... ....�. MINING AREA
LIMITS OF ACTIVE OTHER 0.0
""`!` -���� - ohe OVERHEAD ELECTRIC
T_ POND --- -- - - - - - - - TOTAL DISTURBED ACREAGE 314.0
0 5700 - PARCEL BOUNDARIES
0
RAILROAD
0
PROJECT MANAGER M. PLUMMER, P.E.
DESIGNED BY T. YANOSCHAK, P.E.
�°°"°'�� MINE MAP
DRAWN BY D. DIXON 4®*�°� • � 0 � (EXISTING CONDITIONS
HDR Engineering, Inc. _ SS/`'', w
of the Carolinas CHECKED BY .� � +°,'` .-p SANFORD LC, LLC
IN
440 S. Church St. Suite 1000 _-_______ 18887
Charlotte, NC 28202-2075 '` d w COLON MINE SITE
704.338.6700 ,
` I '°• a�`` MINE PERMIT MODIFICATION
«, Q 0 1 2° FILENAME DOG-02.dwg SHEET
N.C.B.E.L.S.License Number F-0116 A 12/2023 ISSUED FOR APPF�«`v,�L _ 'rirdi�tS' §r'���•y4e�°'
ISSUE DATE DESCRIPTION PROJECT NUMBER 10021146-014 .,,,"`'`""°"� SAN FORD NC SCALE 1" = 300' OOG-02
1 2 J 4 5 6 7
- 8
MATCH LINE A-A - SEE SHEET OOC-02
NNW
— — — — — — — — — — — — — —
• CID �....'.,' — 7`"
U0
�-
r PROPOSED LIMITS L
OF MINING (TYP.)
William T Reaves,Jr. , o0
PC 9 Pg 238 9 \ FUTURE o "
MINE AREA r BASIN NO. 15
++ �" (SEE NOTE 1)
00,
(DIVERSION 1
''STOCKPILE,
(BERM (TYP.) OOC-06 y
D
/
50 �r
' UNDISTURBED '
- -- - - - - - SLOPE GROUND CULVERT
Michael M. Reaves TOWARDS BASIN NO. 14 V ,
BUFFER (TYP.)
PC 9 PI 238
Bk 102 Pg 157 0
OUTLET W
— — — — — — — — - I '• m
s • , z
b I Michael M. Reaves
/\ APC 9 Pg 238 / BASIN NO. 14 / ♦,i
8k 119 Pg 664 (SEE NOTE 1) �.� �/ BASIN U-1
NO. 13
/ \ /
W
--�
- - - - - -
- - - - - - Im
tit
lie
00
CULVERT' INACTIVE
/ 1 N Daisy D and Cullen R Rascoe J 1, MINING AREA } /� z
\ 15K 312 Pg 875 P REVEGEGATED) / J
/ 1 - - - - - - - - - - - -
- _ STOCKPILE
� ,
o PC Estate v"
Widiam H. Kottcamp Kenneth L Moore A Bk 4.' : 7
Emma C Reaves
Bk 465 P 776
chael M Reaves M!nP,al r,l it g / �64 Pg��/ � � I Bk 119 P 66 I g, s=1,Pje�.to B.� I Pg 28 �; '7`�6 � .
r Alvin M Reaves I PG 8 PI 87 _- - 4- I/5 38 �
) eras I • �
Py (5
. u.+�., .ti,.�: ' >_ � anaa• -q�� i. „ ,"' ,.. • .," F.I rlbcf Loth' :• ,'
/ ,
Te1e h� i►w „� �, ,� '
C
F
r D edes�d F a
P SLdI
> �►�'
/ .. .
�44
-
ASIN ? �h cs:� +_dross ����,�n � �„'".
1 _ 1 , y
B / 1 . 5
J� POND
NO. 11
Q �' __ '`�--.._ ...-^'� CULVERT neral Right ub .
Ir .j 4-38��47 '�. F, �r� J ,vk;s i'g 28.5; r7gc e
C
1 Cabl
POND H oervv,.. 5ha k, I l�ic10k--(, gar;;;
o BASIN �„P, Lu
` 1lneral hts Not 5i,b e t - `
k. 584 P . 50 �, c .a. 00
NO 11l� !.k. oF� P 5� Fin �� �' •' BASIN NO. 12
" r ''acel A4 Cherokee Sanfor ',,�,�,up "��C Pg 23
Bk. 564, P '; -- %
�- BRICKBAT
��� �' ___ ""' •.`_'_ _ 50' UNDISTURBED INACTIVE 1 9'
MINING AREA
\ I {Parcel T) 0 �
INACTIVE / INACTIVE BUFFER (TYP.) / h r OUTLET
-__�-_---- J Oa
/ iviiNlNG AREA A.LPS �L(REVEGETATED) POND \ + /.ads
MINING AREA CULVERTTracti �,�► .. ���
RE.VEGETATED) - ..i' •"
fiber Optic, over tsmt C REVEGETATED ' CO
( ) BASIN .�*� J
p ;� a
Cable Bk 1.13 Pg 3h`?\�� � / NO. 10 '�'�--f' / �✓ ` "/' � ✓ �� r
9 / / ' 1 b r( � ./fir
~� �i i/ reie one < �0
i
�- lie
SI n
\C� 9
fibei
i T
` POND `
BASIN N NO. 16 o
--- � -- ! \ �� "�., c,, , � ... ' �,,, ,.•+�(� (SEE NOTE 1) �; . � o e
oo
filer Optic / ,.w r ah'"'w�`l+�*'f+rt "
1 / POWER LINE
de Sin � (be.
+i/ CULVERT ,�„ �r a,,,... V.-.-.r^.�."' - -,., -� _ , ,,�,.,, ,,. „.,�` *, ,a., _ ✓ i---' i—� - ''F'"' � �'
g ice•-•.r � „�..,,_ ,rRIGHT OF WAY
Optic . 1
y ,gir» .�._ ID�n ..,`:/i -J � ,,,, ,...�•"--.. •_+^"--r'r"'r.. y,i. .,aax. �--;
_ — them ail Road 5�
POND — NoI` T _)Ik SC)U ,
loot RIW
LEGEND W
O
WATER RECHARGE BASIN f 1_ __ >
�pLo PROPERTY LINE 0
w K �v�Alii'.'C� �P 1�� PLANIMETRICS m BRICKBAT
a Pin 9�J - „ ' 3247-�� - 50' PROPERTY LINE BUFFER z OUTLET
Y J
. 50'WETLANDS/STREAM BUFFER � �`- OPEN WATER J �
21 , 15± ACKL�. ! (PER DEED) ,
SOD LIMITS OF DISTURBANCE
W FLOODPLAIN
300' RESIDENCE/GROUNDWATER W "
WELL BUFFER U3
r STORMWATER BASIN FROM
EXISTING TOPOGRAPHY r
PRIOR MINING ACTIVITIES m I
o EXISTING ROAD FLOODPLAIN W
j
0 ohe OVERHEAD ELECTRIC Z
J
"' - - PARCEL BOUNDARIES _
PROPOSED SEDIMENT BASIN U /
Q
RAILROAD
Y - - -
- > - - > - - > - PROPOSED DIVERSION BERM Z>
CELL BOUNDARIES
0
3 BASIN DRAINAGE LIMITS NOTES:
CIL
00- PROPOSED STORMWATER FLOW I 1. EXISTING SEDIMENT BASINS 14, 15, AND 16 SHALL USE EXISTING
DIRECTION DURING MINING PONDED VOLUME TO TREAT STORMWATER FLOWS.
E A
0
z
I
E
MAINTENANCE CONSIDERATIONS
1. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE
E
CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY
N RUNOFF-PRODUCING RAINFALL, BUT IN NO CASE SHOULD IT BE
N
DONE LESS THAN ONCE WEEKLY. ANY NEEDED REPAIRS WILL BE
0
MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS DESIGNED.
U
N
0
2. SEDIMENT BASINS 14, 15, AND 16 WILL BE CLEANED OUT WHEN
0
DISCHARGE CRITERIA CANNOT BE MET.
o
PROJECT MANAGER M. PLUMMER, P.E.
DESIGNED BY T. YANOSCHAK, P.E.
- ---- - - '� °�'_•====rP= MINE (DEVELOPMENT PLAN
DRAWN BY D. DIXON ! `
----- '` SANFORD LC LLC 1 OF 2/
..,
HDR Engineering, Inc. ;° Q�-,.••' 'tea
of the Carolinas
CHECKED BY Q Q5S/�•�!�°•`�
FA
•
,
440 S.Church St. Suite 1000
Charlotte, NC 28202-2075 % COLON MINE SITE
704.338.6700 �'+ �G tqe� * bp. SHEET
.p `' �`` MINE PERMIT MODIFICATION
.. 0 1 2' FILENAME OOC-01.dwg
N.C.B.E.L.S.License Number F-0116 A 12/2023 ISSUED FOR APPRO'v AL ssdts'
ISSUE DATE DESCRIPTION PROJECT NUMBER 10021146-014 =,,,iJ"""""�` t SAN FORD NC SCALE 1"=200' OOC-01
4 5 6 7 8
LAND DISTURBANCE SEQUENCE BASIN CONSTRUCTION NOTES
1. CONTINUE MINING UPSLOPE OF BASINS NO. 14, 15, 1. SITE PREPARATIONS-CLEAR, GRUB, AND STRIP
AND 16. TOPSOIL FROM AREAS UNDER THE EMBANKMENT
TO REMOVE TREES, VEGETATION, ROOTS, AND
I 2. INSTALL BASINS NO. 17 THROUGH 23 AS NEEDED. OTHER OBJECTIONABLE MATERIAL. DELAY
CLEARING THE POOL AREA UNTIL THE DAM IS
3. CONSTRUCT DIVERSION BERMS NEEDED TO COMPLETE AND THEN REMOVE BRUSH, TREES,
I DIVERT STORMWATER TO BASINS NO. 17 AND 23. AND OTHER OBJECTIONABLE MATERIALS TO
I REVEGETATE BERMS IMMEDIATELY OR NO LATER FACILITATE SEDIMENT CLEANOUT. STOCKPILE ALL
THAN 7 DAYS AFTER EACH BERM SECTION IS TOPSOIL OR SOIL CONTAINING ORGANIC MATTER
CONSTRUCTED. FOR USE ON THE OUTER SHELL OF THE
I EMBANKMENT TO FACILITATE ESTABLISHMENT.
I 4. AT INACTIVE REVEGETATED AREAS, VERIFY PLACE TEMPORARY SEDIMENT CONTROL D
Kenneth M. Alexander I EROSION CONTROL STRUCTURES ARE IN-PLACE, MEASURES BELOW THE BASIN AS NEEDED.
r, AND REPAIR AS NEEDED PRIOR TO REDISTURBING
m Tract I I THESE AREAS. 2. CUT-OFF TRENCH -EXCAVATE A CUT-OFF TRENCH
PC 8 PG I GC I ALONG THE CENTER LINE OF THE EARTH FILL
Db. 530, Pg. 56 I EMBANKMENT. CUT THE TRENCH TO STABLE SOIL
N I MATERIAL, BUT IN NO CASE MAKE IT LESS THAN 2
� o
� AdJomer Fence I r,;: M, Alexander
N FT DEEP. THE CUT-OFF TRENCH MUST
� Kenneth M. Alexander ;_,� INTO BOTH ABUTMENTS TO AT LEA
ST THE
Encroaches
_ 30, N. 56 Kathy Lynn Holland ELEVATION OF THE RISER CREST. MAKE THE
By 16.T Tract 3 ?, 3 PG I GC Bk. 703, P . 853
\ 9 MINIMUM BOTTOM WIDTH WIDE ENOUGH TO
PC 8 PG I GC \ PERMIT OPERATION OF EXCAVATION AND
COMPACTION EQUIPMENT, BUT IN NO CASE LESS
/ \\ DISCHARGE THAN 2 FT. MAKE SIDE SLOPES OF THE TRENCH NO
\ INV. EL.=230.0 STEEPER THAN 1:1. COMPACTION REQUIREMENTS
ARE THE SAME AS THOSE FOR THE EMBANKMENT.
Property Lrne f01/ow5 the Centerline /ofsmallbranchorditch. DISCHARGE llv� EL.-256.0 � o rr o \ TOP OF BERM KEEP THE TRENCH DRY DURING BACKFILLING AND
TOP OF BERM EL. 268.0 // oV o \ EL. 238.0 Prop rtyLrnefollows the Centerlme COMPACTION OPERATIONS.
* \ ofsm//branch or ditch. BASIN NO. 18
DISCHARGE INV. EL.=258.0 TOP OF BERM t_,. .=264.0 o John L. Riggs
Bk. 1213, Pg. 558 \ MINIMUM BOTTOM 3. EMBANKMENT- FILL MATERIAL SHOULD BE CLEAN
BASIN NO. 22 \ DIMENSION MINERAL SOIL, FREE OF ROOTS, WOODY
BASIN NO. 23 / DISCHARGE INV. EL.=252.0 PC 6 Pg 16D \
MINIMUM BOTTOM/ MINIMUM BOT101M I \ 100' X 200' / VEGETATION, ROCKS, AD OTHER OBJECTIONABLE
DIMENSIONS I / A " MATERIAL. SCARIFY AREAS ON WHICH FILL IS TO
0*00 DIMENSIONS 100' X 20O' I� oo TOP OF BERM EL.=262.0 r
BE PLACED BEFORE PLACING FILL. COMPACT
125 X 250 ( c; SOILS TO MINIMUM 95% STANDARD PROCTOR
BASIN NO. 21
2*00 5 SEDIMENT BASIN MAXIMUM DRY DENSITY IN ACCORDANCE WITH
MINIMUM/j \, ` ` DIMENSIONS
4*0 BOTTOM
OOC-06 SCHEDULE
ASTM D698 PLACE FILL MATERIAL IN 6"TO 8"
/ N ' '170 X 340
/ DISCHARGE INV. EL.-248.0 TOP OF BERM EL.-256.0 CONTINUOUS LAYERS OVER THE ENTIRE LENGTH
_ �
o - � OF THE FILL AREA AND COMPACT IT. COMPACTION
6*0 — ' �` o TOP OF BERM EL.=258.0 O 19 '" MAY BE OBTAINED BY ROUTING THE
%55-6 -2G72-00 O 0 1 DIVERSION BASIN N
a -
ral e Eirick;Inc. 8*00 s /
OOC-05 BERM (TYP.) BASIN NO. 20 MINIMUM BOTTOM - � � CONSTRUCTION HAULING EQUIPMENT OVER THE
/ MINIMUM BOTTOM DIMENSIONS -7. QaD C
i o7 Pc G, I ,` FILL SO THAT THE ENTIRE SURFACE OF EACH
70* / TREAD TRALAYER IS CK OF HEAVY EQUIPMENT,VERSED BY AT AST OR A EEL OR
\ / DIMENSIONS 160' X 320'
1 r ! 00 124' X 248' DISCHARGE % COMPACTOR MAY BE USED. CONSTRUCT THE
1 / o PropertyLme follows the Centerline INV. EL.=246.0 o
a L't �,,0/0— '/- w .. < ofsmallbranchorditch. .� EMBANKMENT TO AN ELEVATION 10/o HIGHER THAN
` THE DESIGN HEIGHT TO ALLOW FOR SETTLING.
4. CONDUIT SPILLWAYS - EMBED RISER IN CONCRETE
II
i*0 AS SHOWN ON DETAIL. SECURELY ATTACH THE
RISER TO THE BARREL TO MAKE A WATERTIGHT
STRUCTURAL CONNECTION. SECURE ALL
CONNECTIONS BETWEEN BARREL SECTIONS BY
' 2 \ ' . APPROVED WATERTIGHT ASSEMBLIES. PLACE THE
0*O0 BARREL ON A FIRM, SMOOTH FOUNDATION OF
IN 22*p0 �
— > .� � > �� IMPERVIOUS SOIL. DO NOT USE PERVIOUS
* O < MATERIAL SUCH AS SAND, GRAVEL, OR CRUSHED
ll l l
*p0 < STONE AS BACKFILL AROUND THE PIPE OR
°, ANTI-SEEP COLLARS.
I
08 PLACE THE FILL MATERIAL AROUND THE PIPE
/ \ rr Vr' JI —
SPILLWAY IN 4 INCH LAYERS, AND COMPACT IT
I / N 0 1 O UNDER AND AROUND THE PIPE TO AT LEAST THE
I \\ :5
e I / ti FUTURE MINE AREA ( //%- SAME DENSITY AS THE ADJACENT EMBANKMENT.
Access Road ter' * .� 11
\ 1 I ' _� / - PE GROUND TOWARDS BASINS) 00 / -- --- �, Ce,� tardy 1 ) �: _.'
� �f >� \\\ O `' FROM FIRM CONTACT WITH ITS FOUNDATION WHEN
\` \ \\\ \ / 32*° \ / / CARE MUST BE TAKEN NOT TO RAISE THE PIPE
;r 0 /�
\ COMPACTING UNDER THE PIPE HAUNCHES.
oA,01ie \ I I ' \� u \��� � / ° ` \\ PLACE A MINIMUM DEPTH OF 2 FT OF COMPACTED
34,
\
-N, 0* � \� 36*00
LEGEND BACKFILL OVER THE PIPE SPILLWAY BEFORE
IN --I °0 °
I 11 CROSSING IT WITH CONSTRUCTION EQUIPMENT.
2* per /� PROPERTY LINE ANCHOR THE RISER IN PLACE WITH CONCRETE OR
P
\� \ \ \ 0 / �b�5 8 t v v \ / 0 / OTHER SATISFACTORY MEANS TO PREVENT
P,n c rr, rr .� I � \\ �/ I 50' PROPERTY LINE BUFFER
4* Cre ckee .>aIfo. a �muP, L_C CO \ / � 4 FLOTATION. IN NO CASE SHOULD THE PIPE
Chehe 00 5k, 58�, I'�. `50 / l ��\ 0*°D �/� 50'WETLANDS/STREAM BUFFER CONDUIT BE INSTALLED BY CUTTING A TRENCH
8*0 (�arce.I R� / �, \ ''� / 42*p °OC_ --LOD THROUGH THE DAM AFTER THE EMBANKMENT IS
C55\ —_� \ �-- LIMITS OF DISTURBANCE
0 04 COMPLETE.
8* / T o \ \ / �\,Q 44 300' RESIDENCE/GROUNDWATER
00 / � C; �-t % / \ � / / *00 5. INLETS- DISCHARGE WATER INTO THE BASIN IN A
\ / \ / L �`'` / WELL BUFFER MANNER TO PREVENT EROSION. USE DIVERSIONS
h /
J� \\\ ' ��'`00 �1 /� �� � /� — -" V / WITH OUTLET PROTECTION TO DIVERT SEDIMENT
LADEN WATER TO THE UPPER END OF THE POOL
- - EXISTING TOPOGRAPHY
II \ \�\ \ 12*00"�= / �f / AREA TO IMPROVE BASIN TRAP EFFICIENCY.
l \ \\\ '\ \
/ EXISTING ROAD
* f ohe OVERHEAD ELECTRIC 6. EROSION CONTROL-CONSTRUCT THE STRUCTURE
00�•. .`- ` / SO THAT THE DISTURBED AREA IS MINIMIZED.
\\� / � *00 — — — — — — — — — — PARCEL BOUNDARIES DIVERT SURFACE WATER AWAY FROM BARE
•.� ' \ � y f / ! / AREAS. COMPLETE THE EMBANKMENT BEFORE
\ \` "'� / 78*00 �( THE AREA IS CLEARED. STABILIZE THE
RAILROAD
EMERGENCY SPILLWAY EMBANKMENT AND ALL
20*p0 TOP OF BERM -- — — CELL BOUNDARIES OTHER DISTURBED AREAS ABOVE THE CREST OF
EL.=280.0 THE PRINCIPAL SPILLWAY IMMEDIATELY AFTER
�, 00 / BASIN NO. 17 CONSTRUCTION.
o l \ / , , PLANIMETRICS
\ \\ plo\ ) // 24* l i ��/ MINIMUM BOTTOM
o oo ' "��� ` ` �\ / 00 � ♦ DIMENSIONS MAINTENANCE CONSIDERATIONS
o 120 X 240
r II \ o A ' OPEN WATER
�26*0 INSPECT THE SEDIMENT BASINS AT LEAST WEEKLY AND
Cj \ \ ohg�jfe � �_ �O/ ° ' / / DISCHARGE AFTER EACH SIGNIFICANT(1/2 INCH OR GREATER)
a J O2 ` INV. EL.=272.0
00000,
8*00 �j� RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE
/10, r r r r r
SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL
3 r r r r r r STORMWATER BASIN FROM
\1 '' oo—� r—' ~ -7 °*00 �/ r r r r r r ES DIMENSIONS WHEN IT ACCUMULATES TO ONE-HALF THE
3 4 p * , ,, PRIOR MINING ACTIVITI
4 \ Qp z C DESIGN DEPTH. PLACE REMOVED SEDIMENT IN AN /�
/ �:\
\� `\ h`h \ / / 0 04 FLOODPLAIN
\ �� �J o o \ 2*0 °OC. AREA WITH SEDIMENT CONTROLS
11 \ '� �\� �/ / I10 2 EXCAVATION AT 34*0° CHECK EMBANKMENT, SPILLWAYS, AND OUTLET FOR
' . � EROSION DAMAGE, AND INSPECT THE EMBANKMENT
\ \ _� �� ./ OOC-05 POWER (TYP ) PROPOSED SEDIMENT BASIN FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY
Y� \ o ! / a
�J / �. REPAIRS IMMEDIATELY. REMOVE ALL TRASH AND
�\ > — — > — — > — PROPOSED DIVERSION BERMI OTHER DEBRIS FROM THE RISER AND POOL AREA.
--
BASIN N0. 16 \ � / �� � — BASIN DRAINAGE LIMITS
50' UNDISTURBED BUFFER (TYP.) \ _- - -
O
K' �i ,/f��� ` .� ��ee G� 2� —� PROPOSED STORMWATER FLOW
N .► 7 l / DIRECTION DURING MINING
\ I 48 3,807 5f. ,./ --
MATCH LINE A-A - SEE SHEET OOC-01
PROJECT MANAGER M. PLUMMER, P.E.
__ ------ MIME DEVELOPMENT PLAN
DESIGNED BY T. YANOSCHAK, P.E. ���®atgi4RRiRRRtRR,�{fit
-- — - Q��, C`+A °to� (2 OF 2)
DRAWN BY D. DIXON �( `,w.........l..,'� °.
--- - — .�°�-. if,SS/&'%/ °'-® SAN FORD LC, LLC
HDR Engineering, Inc. --- — CHECKED BY b" + • '�.q�I,- S
of the Carolinas
r
COLON MINE SITE
440 S. Church St. Suite 1000 - --- - -
Charlotte, NC 28202-2075 �' r ` " �," SHEET
--- MINE PERMIT MODIFICATION o 1" 2,. FILENAME ooc-o2.awg
704.338.6700 ---------- _ „fix�bC1 .� yw,`
— - OOC-02
N.C.B.E.L.S.License Number F-01 16 A 12/2023 ISSUED FOR APPROVAL
— ��� m � *��,. SANFORD, NC
--R APt`4R'°,,,;< *'° SCALE 1" = 200'
ISSUE DATE DESCRIPTION PROJECT NUMBER 1 0021 1 46-01 4 ; „ s
1 2 4 5 6 7 8
F m I o a l I o Q I I Kenneth Mc All xander
I c .
PC8PG
De.530,Pg.5616C
I ON CONSIDERATIONS
I 1. MAINTAIN 50' UNDISTURBED BUFFER ZONE FROM
I I a I I N ADJACENT PROPERTY LINES, CREEKS AND
l I ij— AdJolner Pence Kenn th M.I 4leaander STREAMS, RAILROAD RIGHT-OF-WAYS, AND
I I Encroaches e f .56 r
� Kenn k I✓i
by I G.7� Bk.53 Pg. Kathy Lynn Holland
i' 3 / PC 8 PC 6C AY RIGHT-OF-WAYS. HOWEVER, ALONG A
i 6C 6k.703,P g'653
PORTION OF COLON ROAD OF 50 FT UNEXCAVATED
awn Col- rawley I f �'� i BUFFER WILL HAVE A 15+/- HIGH BERM. ALONG A
Dh. 12 ,Pg,788 PORTION OF ROBERTS CREEK NEAR BASIN NO. 12,
0 I EXCAVATION WILL BE WITHIN 15 FT. OF THE
rr o \ STREAM BANK.
\ ProperCyGne fol%ws the Cent�ne
John L.R915 \ ofsmallbranch or dtch.
`"""f'1.• /� oo M bkP`2813,'j.558 \ 2. ALL PERIMETER MINE EXCAVATION SLOPES SHALL
BE AT LEAST 2:1 H:V OR FLATTER. D
SEE NOTE 8 I \ ._. ,.-: ( )
FOR THIS PARCEL 0X00 ,,.
--- / �' / J 3. REMOVE ALL SOIL BERMS, BRICKBAT SECTION, AND
ThcmaSwL 2�Op \ / ( �� PUMP DISCHARGE BASINS, WHICH WILL CREATE A
BROAD 4+ � ..,,�� � POST-RECLAMATION LAKE (TYP.) 7` �► AD SWALE FOR THE
Bk. 1021,Pg.80 ��
Op � OUTLET OF THE VARIOUS
rlr PG55 6 2(72 00 6-(
o LAKES FORMED. THESE ACTIVITIES SHOULD BE
CONDUCTED AFTER REVEGETATING AREAS THAT
sk. I a7 F, Ef. � 8,r. �` .../� � M l
.
Op / / WILL NOT BE SUBMERGED IN WATER.
\ act 10,00 o �JFF
12� 7 n rtrl,nef�/ow r c<vt�,ne 4. REVEGETATE AS PER RECOMMENDATIONS ON
nfsavii baxh ar•d2ch. '
(''' Op DETAIL 4 OF SHEET OOC-05.
Chr=to her Ross Chenco • • aq
p i_ �iy a�P A / I 74,
p1 1
° 5. LIMITS OF POST-RECLAMATION LAKES AND POND
PC 5 PG 170 I , }b DBE t / h �`
BK.11 I5.Pg.59 I r��Q•*'�h�zrsx ,% ` l ��----� ._16,00 � �/ t � � .S
` ., ARE APPROXIMATE AND WILL DEPEND ON THE
r
Ab
DEPTH AND EXTENT OF MINING EXCAVATIONS.
20*
00
` . sr ( tivT / B 00
M
*00
0*00
300 RESIDENCE/GROUNDWATER �•�f� N o
WELL BUFFER (TYP.) ry A 34x0p
36*
\ "\ Op / 11 e„we)a fc'rr G„ur.11 C �� 38� `041
4x0 Bk 55 � / w \\� 00�4011 Op /
p 00,
42x p 00c.o4 - — — —
50' PROPERTY LINE BUFFER ' . ` p 8*00 1 a C r d /,� \� � 0 C
lor
44-1.00
II \
12*0
16*
00
20xo p O
I 2
fa
00
o _ ,t \ -� 2s Apo /--
100
30,
/ Co ;T, o/{ah 00 D0
Marll n Her ,. 1 _� �T. ;.—,. ,-•—� 3 4 .
00
— — — — —
LL
Ek.415.Pg.335 �`1 34x o PROPOSED 6 // / 1 W �y W
` ca 7°
/ oa POST-RECLAMATION
ROADWAY OOC-05 z
/ U
/ f4 . +.1 V —A 1 t '6CJ l Q �t G� Z / \/ William H.Kottca
r— wil 11 H.Koticamp /\ Kenneth L Moore \ 6k 465 Pg 77 I W
��3. 5 \ 6k 465 Pg 776 Bk 264 P —vlfl — — — W
O ..� i � i--� /--' ."---( ',/ \ ��/ APC 8 Pg 875�r v,
/ O
............ z
q, vo.Jr. a C� r �._.� -"j-"``
PC 9 Pg 238 i O . + ► O �aS\ // „ B
POWER LINE �� ' U LEGEND
r
roe ..�..f III _._..-� F--
RIGHT-OF-WAY y
84 P 5t7 `
, ,/ / 3r - I ��pL� PROPERTY LINE
G 6 PROPOSED , � ,-� I -- _ 50' PROPERTY LINE BUFFER
Michael M.Reaves ` POST-RECLAMATION /: / // ,% A
Pc 9 Pg 238 'J OOC-05 ROADWAY
Bk IO2 P 157 50'WETLANDS/STREAM BUFFER
7� - �_ -pQ :._. r / low•r i_sint .', J �/ wnwn, �� '/•�.
Bk I . - LOD LIMITS OF DISTURBANCE
Michael M.Reaves — `�^'� :w�) �Ilw� + 300 RESIDENCE/GROUNDWATER
cn Y Pc 9 Pg z38 , OOD LAIN WELL BUFFER
z Bk 19 Pg 664 J f QL fir/ JtT F L P n m f
�a }
(SEE NOTE 4) l..
EXISTING TOPOGRAPHY
— — — — — — — — — — — — �!
0- — { „ / '`� / , !►� '�" r /_: EXISTING ROAD
C W � � ,. . .--` , ; ... ! k ,, - ' ,., =casraai..,e+F.r. x' •^' I�"•`"''-saves. ..
a
W �_ Dasy D and Cullen R Rascoe �
" ,.,,,,�,,,,r,,.��.�.--��;° � �3 i - ohe OVERHEAD ELECTRIC
3 5K 312 Pg 875 r -i .'_"� •, ,)� +�pr ._ -..
1 S - ..i �� - - - - - - - - - - BOUNDARIES
, - all Roo
W - - - - - - - - - - - - - - / -
Norfolk Southern PARCEL
r l0a�w RAILROAD
0 Z O ��
/ �■ PROPOSED POST-RECLAMATION
o ,1 1 C Re s cFael M Reaves )nn nr al r a It e!to Bk I Pg 28 S 096 ��� � ROADWAY
r7 I Bk 19 P 664 I PC 8 Pg 87 I 4 /y_'8; � -
oZ I I �,,,� ', _ fi
+�' POST RECLAMATION POND (TYP.) REMAINDER OF
,1� M .Irai .Ir�tii ' t ,oP,l to'Pk I Pq og � ♦� tr
.�,w1% �."'. _„ ..►,: — = PLANIMETRICS
�" — OD . % Pln 9654-36-3247-00 ED
21.15± ACRES(PER DEED)
o
3 /i meral Pik ub y 28 ;���� r��` 0 OPEN WATER
o '
oo,
--— �.r+"
�If ;
U PL'1 C0-`I� ��� Pn`� 4- ' mr.,l ynl. NotS�nr,.i:cHkl � f.'
'� I r
arcd A4) Gtcrokce�anfora�' . 1lC Pti'S
o Hk,584 Pg .� s�.
Z (Parcel]) / •--' r r r r r r
-21
�i�111III ��.0110
STORMWATER BASIN FROM
Tract � I �� ,,-'"`� e+<,�
./ `''a ° PRIOR MINING ACTIVITIES
FLOODPLAIN
�f
L ...... j ter.
E .. / "�'" ��✓ POST RECLAMATION LAKE OR
. �
...,..,r.... -�.� � :,,'.- ..► ,...• ... ,. POND Q 57 .{�-g-- .70
N
r�
PROJECT MANAGER M. PLUMMER, P.E.
DESIGNED BY T. YANOSCHAK, P.E. ,,,1,�/fltflfp��I MINE RECLAMATION PLAN
DRAWN BY D. DIXON *`'�r�\A ,,.. 0 ,'%
HDR Engineering, Inc. __— __ _._- CHECKED BY i``, Sly "' s"„
of the Carolinas •Q� ANFORD LC LLC
__..
440 S. Church St. Suite1000 _ _ _- _ _ COLON MINE SITE
Charlotte, NC 28202-2075 _ — ��� ° �' "."" SHEET
704.338.6700 Git�t 0 1„ 2- FILENAME 00C-03.dw9
+,��','°� ......��''��,°" MINE PERMIT MODIFICATION
N.C.B.E.L.S.License Number F-0116 A 12/2023 _ ISSUED FOR AF'PK( I\(' kL rr®!e`er M Y� ti+ei�, o0C O3
ISSUE DATE DESCRIPTION PROJECT NUMBER 10021146-014 ee"""'""'° `�y4 SAN FORD NC SCALE 1" = 300'
2 4 5 6 7 8
NOTES:
320 1. CONCEPTUAL POST-MINING SURFACE
320 ) I�—POWER LINE RIt�H1-i�t-WAY PROPOSED
POWER LINE RIGHT-OF-WAY REPRESENTS AN ASSUMED AVERAGE DEPTH OF
EXCAVATION OF 10'. VARIATIONS IN MINING DEPTH
POST-RECLAMATION ARE ANTICIPATED.
B � 3:1 SLOPE CONCEPTUAL LAKE SEE NOTE 2
300 POST-MINING SURFACE ( ) PROPERTY LINE
PROPOSED �� __. __ ` ` _ (SEE NOTE 1) 3OO
2. SIZE AND DEPTHS OF PROPOSED
POST-RECLAMATION / — — _ GRADE TO DRAIN (TYP) 50' PROPERTY LINE BUFFER
LAKE (SEE NOTE 2) / ' � -- ` EXISTING GRADE POST-RECLAMATION PONDS AND LAKES MAY VARY
MAX. 2:1 SLOPE FROM THOSE SHOWN BASED ON MINING
280 1 280 CONDITIONS ENCOUNTERED.
EXCAVATION A t ~
BASIN BASIN i 1� � 2 � ` -
NO. 15 �\J \ NO. 16 0OC-05 POWER POLE ` ` —_ — ` _ FUTURE BASIN NO. 21 I a
TOWER
260 260 D
240 240
220 220
200
C0 � ( O up 00 N
co 00 r C6 N O Ct r 00 CO O
u7 (fl 00 O S. O 00 ti (DCD Lo Un U)
N N N N N N M d N N N N N N N CN
0+00 2+00 4+00 6+00 8+00 10+00 12+00 1 +ii., 16+00 18+00 20+00 22+00 24+00 26+00 28+00 30+00 32+00
SECTION A
HORIZ: 1" = 150' VERT: 1" = 30' OOG-02
320 320
PROPOSED
PROPERTY LINE
POST-RECLAMATION
PROPERTY LINE
LAKE (SEE NOTE 2) 50' PROPERTY LINE BUFFER a ,
300 3NCEPTUAL 300
_
1 50' PROPERTY LINE BUFFER MAX. 2:1 SLOPE POST-MINING SURFACE EXISTING GRADE MAX. 2:1 SLOPE MAX. 2:1 SLOPE C
a FUTURE BASIN NO. 23 i,.SEE NOTE 1)
FUTURE BASIN NO. 22 f FUTURE BASIN NO. 21 FUTURE BASIN N0. 20 —
280 - - - - , , _ , � — — 280
260 _ — _ , — \ 260
240 MAX. 2:1 SLOPE 240
220
.. _ .= 220
200
O tf) M M I� ti O LO N LOf) r' I co co MLO
r`
co CC) r r co V C6 r C6 " L6 I� M N (6 d' O00
CD r r
N N N
N N N N N N N N LO N N N N N N 00 N N N
0+00 2+00 4+00 6+00. 8+00 10+00 12+00 l + ai: 16+00 18+00 20+00 22+00 24+00 26+00 28+00 30+00 32+00 34+00 36+00 38+00 40+00
SECTION B
HORIZ: 1" = 150' VERT: 1" = 30'
OOG-02
B
360 360
PROPERTY LINIE
0,�
340 a 50' PROPERTY LINE BUFFER _
340
1 '
MAX. 2:1 SLOPE
320 PROPERTY LINE 320
co
— CONCEPTUAL EXISTING GRADE
50' PROPERTY LINE BUFFER 1
POST-MINING SURFACE
~ (SEE NOTE 1) 0- 300
300 _ - — MAX. 2:1 SLOPE
280 _ � � _ _ _ � _ � � \ 280
CD
0
O
/
00
2
260
60
/
0
240
01
Y r 00 (A N co I`- CO U-) O O O 00 O
o CR r_ r O O u? r 6:, 0) O O O O r O
3 M O CO Cif Uj O O ' M (6 'i L6 O
3 r N r r O 00 O a 00 G) CA (y) O 00 00
M CV) Cl) Cl) M N N V N N N N N N N
0+00 2+00 4+00 6+00_. 8+00 10+00 12+00 14Tui; 16+00 18+00 20+00 22+00 24+00 26+00 28+00 30+00 A
SECTION
LZ
OOG-02
E HORIZ: 1"= 150' VERT: 1" = 30'
0
E
N
O
N
O
U
N
0
O
O
-v4 A PROJECT MANAGER M. PLUMMER, P.E.
DESIGNED BY T. YANOSCHAK, P.E. 4t++++eRt�s,,�ffp SITE CROSS SECTIONS
-- ---- — --- DRAWN BY D. DIXON ,".1 x, �.�h..0,��"'
ss SANFORD LC, LLC
HDR Engineering, Inc. ---- -- — CHECKED BY r ,y ��,* � °'C1 �� i'`�` ��„
of the Carolinas
440 S. Church St. Suite 1000 COLON MINE SITE
Charlotte, NC 28202-2075 g1
704.338.6700 ��� � FILENAME OOC-04.dwg
.�'rrj� .......�r ,,�� MINE PERMIT MODIFICATION o 1' 2 SHEET
N.C.B.E.L.S.License Number F-01 16 A 12/2023 ISSUED FOR APPROVAL '��,;� � ���°°°' OOV■■//��__ -OTd
tooai� +^atHNtt
ISSUE DATE DESCRIPTION PROJECT NUMBER 10021146-014 g i p SAN F O RD, NC SCALE H: 1"=150'V: 1"=30'
2 4 5 6 7 8
3 NOTE: HEIGHT OF BERM WILL NOTES. END of FLARED
INCREASE AT BRICKBAT SECTION 1. RIP RAP SHOULD EXTEND UP BOTH SIDES OF THE APRON AND AROUNG THE END OF THE SECTION
PIPE OR CULBVERT AT THE DISCHARGE OUTLET AT A MAXIMUM SLOPE OF 2:1 AND A
HEIGHT NOT LESS THAN TWO THIRDS THE PIPE DIAMETER OR CULVERT HEIGHT.
2 2 Q0
1 1 2. THERE SHALL BE NO OVERFLOW FROM THE END OF THE APRON TO THE SURFACE OF THE
M RECEIVING CHANNEL. THE AREA TO BE PAVED OR RIP RAPPED SHALL BE UNDERCUT SO
---------- ---------- - THAT THE INVERT OF THE APRON SHALL BE THE SAME GRADE (FLUSH)WITH THE SURFACE
OF THE RECEIVING CHANNEL. THE APRON SHALL HAVE A CUTOFF OR TOE WALL AT THE
DOWNSTREAM END. o -
• B o B
Z
3. THE WIDTH OF THE END OF THE APRON SHALL BE EQUAL TO THE BOTTOM WIDTH OF THE o J D
COLLECTION BERM SPECIFICATIONS RECEIVING CHANNEL. MAXIMUM TAPER TO RECEIVING CHANNEL 5:1.
W1
1. CONSTRUCT BERM BY PLACEMENT OF OVERBURDEN. 4. ALL SUBGRADE FOR STRUCTURE TO BE COMPACTED TO 95% OR GREATER. END OF APRON
2. PRIOR TO PLACEMENT OF MATERIALS FOR BERM FORMATION, CUT 40' 40' 5. THE PLACING OF FILL, EITHER LOOSE OR COMPACTED IN THE RECEVIGING CHANNEL PLAN
VEGETATION NEARLY FLUSH WITH GROUND (IF APPLICABLE) SHALL NOT BE ALLOWED.
NOT TO SCALE
3. COMPACT MATERIALS IN 1-FT LIFTS BY CONSTRUCTION TRAFFIC. 3 6. NO BENDS OR CURVES IN THE HORIZONTAL ALIGNMENT OF THE APRON UNLESS 0 % SLOPE
1 OTHERWISE SHOWN.
4. VEGETATE BERM AFTER CONSTRUCTION. MINE EXCAvA 11ON MINE EXCAVATION
NOTE: ENSURE ACCESS TO POWER LINES CAN BE OBTAINED BY DUKE ENERGY. 7. TYPE 2 GEOTEXTILE FILTER FABRIC SHALL BE INSTALLED ON COMPACTED SUBGRADE 1' MIN.
5. SLOPE DIVERSION BERMS TO DRAIN TO SEDIMENT BASINS. V-6"
PRIOR TO PLACEMENT OF RIP RAP. TYPE 2 GEOTEXTILE
ELEVATION FILTER FABRIC LAP
8. ANY DISTURBED AREA FROM END OF APRON TO RECEIVING CHANNEL MUST BE NOT TO SCALE (IF NEEDED)
STABILIZED.
NATURAL GRADE
DIVERSION BERM 1 EXCAVATION AT POWER POLE TOWER 2 9. ALL RIPRAP SHALL BE NCDOT CLASS B PLACE 18"THICK. 2 I RIP RAP -
NOT TO SCALE NOT TO SCALE H I�
® T
LOCATION W1 W2 La
SB17 3' 11' 10, NONE:
SB18 3' ill 10, MINIMUM H=2/3 LAYER OF TYPE 2
FOR SHOULDERS,SIDE DITCHES,SLOPES(MAX 3:1 TO 2:1). SB19 4.5' 12.5' 111' PIPE DIAMETER GEOTEXTILE FILTER FABRIC
FOR SHOULDERS,SIDE DITCHES,SLOPES(MAX 3:1): DATE TYPE PLANTING RA i ti SB20 4.5" 12.5' 11' SECTION B-B
MAR 1 -JUN 1
SB21 9' 23' 20' NOT TO SCALE
DATE TYPE PLANTING RATE SB22 3' 11' 10,
AUG 15-NOV 1 TALL FESCUE 300 LBS/ACRE SERICEA LESPEDEZA(SCARIFIED) 50 LBS/A ;RL ,:;cRICEA SB23 4.5' 12.5' 11'
NOV 1 -MAR 1 TALL FESCUE&ABRUZZI RYE 300 LBS/ACRE MAR 1 -APR 15 AND USE THE FOLLOWING LESPEDEZA;
COMBINATIONS:
MAR 1 -APR 15 HULLED COMMON BERMIUDAGRASS 300 LBS/ACRE MAR 1 -JUN 30 ADD TALL FESCUE 120 LBS/ACRE
C
APR 15-JUN 30 TALL FESCUE AND BROWNTOP MILLET 300 LBS/ACRE MAR 1 -JUN 30 OR ADD WEEPING LOVE GRASS 10 LBS/ACRL- OUTLET APRON 3
OR SORGHUM-SUDAN HYBRIDS"`"'
OR ADD HULLED COMMON 25 LBs/Ai:rtL NOT TO SCALE OOG06
APR 15-JUN 30 TALL FESCUE AND BROWNTOP MILLET 300 LBS/ACRE SEPT 1 -MAR 1 BERMUDAGRASS
OR SORGHUM-SUDAN HYBRIDS**` SERICEA LESPEDEZA(UNHULLED 70 LBS/AGRL ,;)ERICEA LESPEDEZA); 120
NOV 1 -MAR 1 UNSCARIFIED)AND TALL FESCUE LBS/ACRE(TAr_4.FESCUE)
TEMPORARY: RESEED ACCORDING TO OPTIMUM SEASON FOR DESIRED
PERMANENT VEGETATION.DO NOT ALLOW TEMPORARY COVER TO GROW MORE THAN AND ABRUZZI RYE 25 LBS/ACRE
12"IN HEIGHT BEFORE MOWING;OTHERWISE, FESCUE IMAY BE SHADED OUT. IF SOIL CONDITIONS ARE NOT KNOWN,APPLY LIME AT A RATE OF 1 TO 1.5 TONS/Ac.hi=ON COARSE LINE TABLE LINE TABLE _ LINE TABLE LINE TABLE
TEXTURED SOILS AND 2-3 TONS/ACRE ON FINE-TEXTURED SOILS.APPLY LIMESTONE UNIFORMLY AND LINE BEARING LENGTH LINE BEARING LENGTH LINE BEARING LENGTH LINE BEARING LENGTH
INCORPORATE INTO THE TOP 4-6 INCHES OF SOIL.APPLY 10-10-10 FERTILIZER AT 700-1000 LBS/ACRE MIXED
INTO THE TOP 4-6 INCHES OF SOIL. L1 N35°10'06"E 25.26 L52 S85031'49"E 44.64 L104 N84°11'03"E 26.74 L155 S52°49'11"W 414.51
SEEDBED PREPARATION NOTES L2 N36°37'23"E 54.23 L53 S87°13'43"E 30.48 L105 N79°48'20"E 91.07 L156 S52°36'03"W 145.05
L3 N37°54'36"E 59.68 L54 N73°39'48"E 29.32 L106 N69°04'30"E 25.38 L157 S51°57'33"W 146.77
1. SURFACE WATER CONTROL MEASURES 'TO BE INSTALLED ACCORDING TO PLAN. L4 N39°40'46"E 56.31 L55 S57°01'45"E 27.85 L107 N84°45'24"E 54.33 L158 S50°46'20"W 125.90
L5 N40°39'12"E 52.04 L56 S72025'51"E 42.25 L108 N75°55'15"E 246.77 L159 S49°4T55"W 103.21
2. AREAS TO BE SEEDED SHALL BE RIPPED)AND SPREAD WITH AVAILABLE TOPSOIL 3" DEEP. TOTAL SEEDBED PREPARED DEPTH SHALL BE.
L6 N43°34'26"E 82.77 L57 S82°03'36"E 34.84 L109 N78°04'10"E 147.32 L160 S48°19'28"W 194.41
4"TO 6" DEEP. L7 N46°24'33"E 88.44 L58 S63°43'26"E 53.50 L110 N83°53'10"E 63.94 L161 S46°26'13"W 192.77
3. LOOSE ROCKS, ROOTS AND OTHER OBSTRUCTIONS SHALL BE REMOVED FROM THE SURFACE SO THAT THEY WILL NOT INTERFERE L8 N48°24'45"E 99.56 L59 S56°52'38"E 31.17 1_111 N71°00'30"E 70.67 L162 S44°38'19"W 149.54
WITH ESTABLISHMENT AND MAINTENANCE OF VEGETATION. SURFACE FOR FINAL SEEDBED PREPARATION AT FINISHED GRADES L9 N49°56'48"E 94.18 L60 S32°03'13"E 21.77 L112 N62°44'21"E 38.19 L163 S43°13'11"W 145.98
SHOWN SHALL BE REASONABLY SMOOTH AND UNIFORM. L10 N50°29'59"E 92.78 L61 S74°04'34"E 21.89 L113 N44°47'43"E 66.63 L164_ S41°43'25"W 151.84
L11 N50°40'03"E 131.47 L62 S60°21'52"E 45.52 L114 N21°30'10"E 85.89 L165 S40°13'49"W 151.51
4. IF NO SOIL TEST IS TAKEN, FERTILIZER AND LIME TO BE ACCORDING TO SEEDING SPECIFICATIONS BELOW. IN ADDITION, PROVIDE 15 L12 N51°02'23"E 93.67 L63 N77°46'30"E 36.08 L115 N23°11'27"E 95.44 L166 S38°43'56"W 150.37
LBS/1000 S.F. OF SUPERPHOSPHATE. L13 N50°55'03"E 27.75 L64 S77°22'08"E 34.06 L116 N36°25'30"E 73.43 L167 S37°19'34"W 146.99
L14 S87°16'12"E 322.09 L65 S41°30'53"E 61.00 L117 N52°15'46"E 57.83 L168 S35°42'09"W 147.33
5. IF SOIL TEST IS TAKEN, PROVIDE LIME AND FERTILIZER ACCORDING TO SOIL TEST REPORT. L15 N02032'23"W 54.02 L66 S06°50'28"E 57.20 L118 N37°15'17"E 35.34 L169 S34°13'00"W 148.22
6. LIME AND FERTILIZER SHALL BE APPLIED UNIFORMLY AND MIXED WITH THE SOIL DURING SEEDBED PREPARATION. ADDITIONAL L16 N04°03'05"E 80.30 L67 S16°56'56"E 95.71 L119 N54°52'01"E 42.67 L170 S32°56'04"W 145.88
L17 N01°33'23"E 134.31 L68 S14°16'40'"E 67.70 L120 N63°11'20"E 20.52 L171 S32°05'25"W 95.90 B
EROSION CONTROL MEASURES MAY BE 'REQUIRED DEPENDING ON FIELD CONDITION. L18 NO2°24'57"E 229.04 L69 S47°18'24"E 37.37 L121 N12°32'55"E 23.59 L172 S31°41'08"W 93.00
7. MULCHING L19 N00°04'22"E 173.78 L70 S13°23'35"E 27.95 L122 N54005'08"E 29.94 L173 S31°56'51"W 104.26
A. STEP 1: 1/3 MULCH, ALL SEEDING AND ALL INOCULATE SPREAD IN ONE DIRECTION. L20 N00°25'26"W 257.85 L71 S64°48'27"E 21.20 L123 N73029'45"E 15.65 L174 S86°00'40"W 80.96
B. STEP 2. 2/3 MULCH RATE APPLIED IN OPPOSING DIRECTION. L21 S74°44'38"E 128.89 L72 S28048'54"E 17.90 L124 S75020'30"E 16.35 L175 S84°12'20"W 97.39
L22 S79°56'00"E 112.07 L73 S38°44'09"E 125.34 L125 S81°46'12"E 72.01 L176 S80°18'50"W 97.24
8. ALL SLOPES GREATER THAN 2.5:1 SHALL BE STABILIZED WITH JUTE MESH. L23 S67°55'47"E 17.09 L74 S57°11'12"E 35.69 L126 N56°21'58"E 26.81 L177 S75°53'36"W 98.73
L24 N10°19'16"E 21.48 L75 S86°37'33"E 18.20 L127 S82°40'08"E 28.68 L178 S71°32'22"W 100.11
L25 N63°19'26"E 16.48 L76 N40°33'10"E 50.12 L128 S85°37'22"E 5.48 L179 S67°05'15"W 99.02
L26 S55°09'39"E 28.21 L77 N50°43'23"E 22.13 L129 S69°42'52"E 61.98 L180 S63°02'30"W 97.91
W "'°
'°L27 S875828"E 20.84 L78 N571959E 82.25 L130 S58°12'42"E 46.76 L181 S60°56'49"W 98.47
SEEDING 4 ° , °
3 _ L28 S42 51 45 E 23.39 L79 N82 2347, „E 31.28 L131 N89°29'01'E 50.32 L182 S60°31'10 W 96.64
5 NOT TO SCALE L29 N76020'10"E 29.61 L80 S77°04'41"E 65.91 L132 S61°56'28'"E 91.72 L183 S60°19'35"W 165.52
T
C0 L30 N80°14"44"E 25.63 L81 S17003'26"E 22.51 L133 N88°21'03"E 25.72 L184 S60°27'47"W 251.37
L31 S71°32'41"E 27.38 L82 S58010'16"E 67.95 L134 S66°08'06"E 38.62 L185 S60°48'24"W 141.90
a L32 S66°19'42"E 58.55 L83 N57°46'47"E 39.72 L135 N71°04'57"E 38.20 L186 S62°42'31"W 143.18 STABILIZE ROAD SHOULDERS WITH
VEGETATION, MULCH, AND EROSION
3 L33 S17°02'26"E 34.29 L84 N43°22'28"E 34.64 L136 N82055'12"E 152.99 L187 S66°13'11"W 138.73 CONTROL MATTING AS NEEDED
o L34 S23024'04"E 156.78 L85 N39°00'50"E 50.10 L137 S41°51'35"W 12.72 L188 S70°51'01"W 139.38
L35 N65052'14"E 172.00 L86 N18°47'20"W 21.69 L138 S43018'49"W 95.10 L189 S75°01'50"W 140.04
C L36 S74°12'19"E 97.39 L87 N35°21'31"W 27.58 L139 S44°42'19"W 93.09 L190 S79°14'18"W 131.30 CONSTRUCT ROAD FLUSH
a - WITH ADJACENT GROUND
o L37 S65°18'28 E 187.79 L88 N490 49'07"E 92.96 L140 S46 13 50"W 93.06 L191 S830
32'51 W 140.94 TO AVOID PONDING AND
L38 S80°06'41"E 50.67 L89 N74°19'28""E 34.96 L141 S47°33'00"W 86.91 L192 S85°27'24"W 141.07
-_ WIDTH VARIES AS NEEDED (MIN. 10') CHANNELING OF
L39 S60°56'16"E 29.43 L90 N74°09'03"E 34.03 L142 S48035'20"W 90.47 L193 S85°47'37"W 1604A1 STORMWATER
a L40 N87037'36"E 53.93 L91 N13°51'57"W 19.01 L143 S49°26'36"W 92.87 L194_ S85°30'06"W 329.71
L41 N22°54'28"E 73.89 L92 N37°44'18"E 22.84 L144 S49°53'32"W 93.68 L195 S87°42'49"W 85.17
L42 N40004'50"E 88.43 L93 S32°30'41"E 20.52 L145 S50°06'36"W 47.58 L196 S88°26'28"W 86.96
3 L43 N87°59'22"E 25.98 L94 S72008'51"E 53.50 L146 S50°05'18"W 848.03 L197 N88°43'31"W 84.96
3
i L44 S56°38'50"E 46.93 L95 S41°55'26"E 47.18 L147 S50°04'01"W 808.46 L198 N84°44'47"W 85.72
L45 S82°25'28"E 55.69 L96 N78°31'57"E 55.35 L148 S50°00'00"W 190.16 L199 N80°56'15"W 87.60 A
E L46 S65°13'32"E 64.11 L97 S62°22'28"E 22.62 L149 S50°03'08"W 95.50 L200 N77°33'09"W 88.70
0
z L47 S56°01'07"E 59.83 L98 S86025'39"E 58.32 L150 S50°23'50"W 95.15 L201 N74°01'06"W 87.43
L48 S49°31'50"E 49.92 L99 S81°26'07"E 88.51 L151 S50°49'10"W 93.30 L202 N70°27'17"W 90.07 G" BRICKBAT, GRAVEL OR
E L49 N89044'25"E 8.80 L100 S77°50'17"E 55.89 L152 S51°14'05"W 70.35 L203 N66°41'00"W 90.53 COMPACTED SOIL SURFACE
n L50 N53043'00"E 7.78 L101 S58°55'56"E 43.80 L153 S51°43'48"W 98.08 L204 N62058'14"W 85.60
L51 N85°47'51"E 38.31 L102 S81°23'25"E 20.49 L154 S52°26'46"W 213.70 L205 N59°26'20"W 85.98
L103 N75°27'00'"E 75.40 L206 N56°05'48"W 89.80
L207 N52°24'05"W 121.93
N
O
N
ADDITIONAL PERMIT BOUNDARY INFORMATION 5 PROPOSED POST-RECLAMATION ROADWAY 6
o NOT TO SCALE ooG-o2 NOT TO SCALE OOC-03
0
n
PROJECT MANAGER M. PLUMMER, P.E.
DESIGNED BY T. YANOSCHAK, P.E. ,,,rt$,RF,,,,, EROSION AND SEDIMENTATION
DRAWN BY D. DIXON ' �. CONTROL DETAILS
SANFORD LC, LLC
HDR Engineering, Inc. - CHECKED BY �~> "'A / �`�`/ � �,
of the Carolinas q "
440 S. Church St. Suite 1000 per= COLON MINE SITE
Charlotte, NC 28202-2075 _ ' - ' Q ,«"
704.338.6700 �*, G 1 '' �•®
� !'��, " ..... . '' ►�®01 MINE PERMIT MODIFICATION 0 1" 2'° FILENAME OOC-05.dwg SHEET
N.C.B.E.L.S.License NUmber F-01 16 A 12/2023 ISSUED FOR APPROVAL �er� A4w N? ooC-OC
ISSUE DATE DESCRIPTION PROJECT NUMBER 10021146-014 a ANFORD, NC SCALE AS NOTED
4 5 t
6 7 8
WELDED
TRASH RACK DETAIL
in
f---- SEE TABLE FOR THICKNESS/GAGE INSTALL COLLAR WITH
/ CORRUGATIONS VERTICAL.
CREST ELEVATION ` COLLAR TO BE OF SAME
TACK WELD TRASH GUARD GAGE AS THE PIPE WITH
ALL AROUND WHICH IT IS USED.
SEE TABLE
SADDLE BRANCH CMP PI1'k I f I I I I I I I I I I I I
CONNECTION RISEi-,, 12"SPACE BAR(TYP) I I I I I I I I I I I I I I I I I I I I I I I I I t BAND
(EXTEND ADEQUATE SAME MATERIAL AS NOTE: I I I I I I I I I I I I I
SUPPORT BAR I I I I I I I I I I I I 1/2 X 2 SLOTTED D
8"MIN 1 HOLES
DISTANCE FROM RISER) . THIE CYLINDER MUST BE FIRMLY I l I I I I I I I I I I
FASTENED TO THE TOP OF THE I I I I I I ( I I I I " 8" C.C.
211 IIIIIIIIII I f I I III I I FOR 3/8Q1 BOLTS
W SUPPORT BAR SIZE RICER.
W 2. SUPPORT BARS ARE WELDED TO
w7 #s REBAR IQ I IQI QI p
OR EQUAL THIE TOP OF THE RISER OR
IL
a ACCMP RISER, ATTACHED BY STRAPS BOLTED
W/2 2/3"X1/2"CORRUGATIONS TO THE TOP OF THE RISER. 2" � I� � OD OF PIPE
6
SKIMMER -
ISOMETRIC DETAIL �' Id I �01 I QI Q 110 I I
IIIIIIIII IIIIIIII
TRASH RACK DETAIL
I I I I I I I I I I I
- III , II1 , 111 , 111111111111 I
N.T.S. I I I I I I I I I I I I I
I I I I I I I I I I I I I ONE PIECE CONNECTING
I I I I I I I I I I I I I I BAND WELDED TO PIPE;
CONTINUOUS WELD BOTH
SIDES OF BAND
OVERLAPPIING W
CONNECTING
BANDS
1=-I 1=1 1=1 I-I 1=1 1=1 I f1=111---fiT TiT=f 1 I TI n �
su-I1=III=III=1I1=1II-1I1=1I1=1I I w II�IJ-III-�11=111=1I l i 1�= PVC 90°
1" STAINLESS
STEEL STRAP --'i111llill�llil' ill�Ilill�lli l ° Ili ii►� IiI_'-�Ill� ;yl ANTI-SEEP COLLAR DETAIL
-III=III=III=II=III-1; F D III-. f=111 T ly RIPE ELBOW(TYP) 3
I I Ed I I=I I I=I I I-I I I I I-III- I-III-III, BARREL °
FLEXIBLE COUPLING �11-III=L=III-III-1 D III-III= =11�
11=L1=1i1= ° ° o SKIMMER N.T.S.
WITH TRANSITION TO II-L-III-III=II-I o� P -BARREL INVERT IN. ELEV. ° °
`�I=111 III=III-I 4D. ° ,. pe --III=I SECTION
SKIMMER PIPE O.D. Ilf-III-III-III III- ° ° HDPE FLEXIBLE
�_ - - - =_ - 0°000 PVC TEE DRAIN PIPE PER
I-III=III-III=1 - - - -III=
1" STAINLESS 1-111�11 II I I I111- 1JL_11�=11� 11 III- RfStK BASE (EMBED PIPE MIN. o °
STEEL STRAP 6") ° o o MANUFACTURER
SEE TABLE FLOATATION
SECTION
C
OUTLET STRUCTURE ENLARGEMENT 1 °°° 7PVC
E
o 0 0
- 0 0
N.T.S. °0000
° ° 0
° °
0 0 0
D CAP
VARIES.
(TYP)
(SEE SEDIMENT
TOP OF BERM BASIN SCHEDULE
ON THIS SHEET) 4 /----
4
PLAN N VIEW
PVC VENT
VARIES - SEE SEDIMENT BASIN PIPE
SCHEDULE ON THIS SHEET
NOTES:
1, EMERGENCY SPILLWAY IS GRASS LINED.
1" STEEL
EMERGENCY SPILLWAY TYPICAL r4 STRAP ,
RETRIEVAL
(TYORIFICE ROPE
N.T.S. PLATE
PVC TEE
B
NOTES:
1. ALL PVC PIPES ARE TO BE SCHEDULE 40
2 TOP OF 4 UNLESS OTHERWISE NOTED. POND BOTTOM
BERM WIDTH
TRASH RACK _ RETRIEVAL ROPE BE _ tivaERGENCY SPILLWAY
ANCHORED IN 2. ALL JOINTS OF THE FLOATATION SECTION
SKIMMER THE SLOPE k�P OF BERM SHALL BE SOLVENT WELDED. JOINTS OF
SEDIMENT - --------- SKIMMER SECTION NEED NOT BE
CLEANOUT RISER BARREL " WATER-TIGHT.
GAGE EMBANKMENT STABILIZED
WITH VEGETATION 3. HDPE FLEXIBLE DRAIN PIPE IS TO BE
SEDIMENT ATTACHED TO THE PIPE BARREL STRUCTURE SIDE VIEW
CLEANOUT CREST ELEVATION
1 � WITH WATER-TIGHT CONNECTIONS.
MARK 1 - 4. SEE SCHEDULE FOR ORIFICE SIZE.
3 3 OUTLET APRON 5. FAIRCLOTH TYPE OR EQUIVALENT SKIMMER TO
_ _ _ - _ OfOC-05 BE USED.
Y N W Ur
m Lo
W 80o g°oo
rT r
1=bIPE BA >,- :,
REL
3 FAIRCLOTH SKIMMER DETAIL r6
ANTI-SEEP COLLAR _
3 20' N.T.S.
0
CONCRETE BASE
0
CD
---- -
Top of Top of Emergency Emergency Number of Riser Trash Trash Trash Concrete Barrel Balrrel Antiseep MAINTENANCE AND INSPECTION
"' Bottom Berm Berm Spillway Spillway Riser/Barrel Riser Crest Guard Guard Guard Ballast j Barrel Invert Invert Collar Skimmer Skimmer
Sediment Elevation Elevation Width Elevation Width /Skimmer Tj
Diameter Thickness Height Dimensions li Diameter In 0)ut Size Size Orifice Dewatering 1. INSPECT SEDIMENT BASINS AT LEAST WEEKLY AND RFTER EACH SIGNIFICANT(1/2 INCH OR
c. Basin # (MSL) (MSL) (FT) (MSL) (FT) Assemblies (IN) (Gage) (IN) FT) (IN) (MSL) (MISL) (FT) (IN) (IN) Time (Days) GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY.
17 274 280 12 279 20 1 27 16 8 2.5'x2.5'x'I' 12 274 2'72 2x2 8 6.2 3.501 2. REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN IT
18 232 238 12 237 20 1 27 16 8 2.5'x2.5x1' t12 232 2,30 2x26 5.2 3.5 ACCUMULATES TO ONE-HALF THE DESIGN DEPTH. PLACED REMOVED SEDIMENT IN AN AREA
19 250 256 12 255 20 1 30 2 42 16 15 3.5'x3.5'x1.2' 18 250 2!46 3X3 8 7.5 3.8 WITH SEDIMENT CONTROLS A
3. CHECK EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE
g
252 258 12 257 20 1 30 256 42 16 15 3:5'x3.5'x1.2'; 18 252 2!48 3x3 8 6.9 3.5 EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY.
254 262 12 261 20 1 48 260 72 16 21 5'x5'x2.1' 36 254 2!52 6x6 8 x 2 8.0 3.5AND
0 258 264 12 263 20 1 18 262 27 16 8 2.5 x2.5'x1' 12 258 2.56 2x2 6 5.1 3.5 4 ALL CMP SHALREMOVE ALL L BE FUASH ND OTHER ASPHALT COATED, 6 GA. R HEAVIER.POOL AREA.
262 268 12 267 20 1 30 266 42 16 15 3-5'x3.5'x1.2': 18 262 2'58 3x3 8 6.2 3.5
E
a
NOTES:
1. MISL=MEAN SEA LEVEL
E 2. ALL PIPES ARE ASPHALT COATED 16GA OR HEAVIER EXCEPT FOR SKIMMER
3. SIIDESLOPES OF SEDIMENT BASINS SHALL BE MAXIMUM 3H:1V.
N
SEDIMENT BASIN SCHEDULE 5
N
�n OOC-02
°
N.T.S.
°
o
0 �^ PROJECT MANAGER M. PLUMMER, P.E. SEDIMENT BASIN DETAILS
DESIGNED BY T. YANOSCHAK, P.E.
_ DRAWN BY D. DIXON `' "�+ A SAN FORD LC, LLC
o
En CHECKED BY
Engineering, Inc. '
HDR g g, ` p
of the Carolinas -- - a
440 S. church St. Suite l000 - � ,. �� COLON MINE SITE
_ --- -.___--- SHEET
cnar►otte, Nc282o2-2075 -- �' --� � Git �' ,,• MINE PERMIT MODIFICATION
0 1" 2" FILENAME OOC-06.dwg
F)l 704.338.6700 ��
-------- '�- ' ` M. YP`�0004% DOC-06
N.C.B.E.LS.LicenseNumberF-0116 A 12/2023 ISSUED FORAPPRUV.AL "�a�„r rfr,t,»��'`'` SANFORD, NC SCALE AS NOTED
PROJECT NUMBER 10021146-014
ISSUE DATE DESCRIPTION