C301 Overall EC Plan

X
CS
PERIMETER SECURITY
FENCE
JURISDICTIONAL AREA 1 \( e
STONE OUTLET (TYP.) � I KIMMER BASIN BAFFLES \\��
SEE DETAIL 7/C502 _
SKIMMER BASIN
r% #16/S.D.O. #16LIMITS OF I
C
�/� ✓ f %' DISTURBANCE
Az r/A 1 l/
LIMITS OF
�/ / ( / ✓ \ \\ Z/ DISTURBANCE
� � I
01
�r r
I l / / 1 111 ! / SKIMMER BASIN
LNG, QTP.)
BASIN #1 1 Fit t
SKIMMER BASIN
#12/S.D.0 #12
#26/S.;0 #26
D
( r
TEMP. SEDIMENT
FENCE (TYPJ�_ // ��t°w - \ ' I TAILINGS POND #1
SEE DETAIL 2/C501 - /� / �1� ,� 500'x100'
SKIMMER BASIN
600
-OF SK
OW
'-�-� \ 22IMMER BA212 v A � \ � LIMITS
DISTURBANCE~
SKIMMER BASIN #10/S.D.O. \ 65.00 LF
/
STORM DRAINAGE OUTLET 10 OF 15" RCP f ✓ ) # I � f s' ` a BUFFER DISTURBED
SKI / ER -4 IN
SKIMMER BASIN ^�� - t Ili 13 S DO 13
LEGEND
EXISTING PROPERTY LINE
- -
PROPOSED PROPERTY LINE
EXISTING BUILDING
,
L_J
PROPOSED BUILDING
MINE PERIMETER
PROPOSED SECURITY FENCE
-x-x-x-x-
TEMPORARY DIVERSION DITCH
TDi-
TEMPORARY SILT FENCE
PROPOSED ENERGY DISSIPATOR
Dl
TEMPORARY CHECK DAM
e
MINE HAUL ROAD
DISTURBED AREA
El
STONE OUTLET
p
TEMP. SLOPE DRAIN
STONE INLET PROTECTION
r
S.D.O.
STORM DRAINAGE OUTLET
NO-RTHW LL 1
/ SKI MER� BASIN
#2/S.D.0 #2 I `{
SKIMMER BASIN \\
#3/S.D.0 #3
' SEA 3 ET
302 FOR
I � ` /AND GRADINGSKIMMER ,
ry 1
CONTRACTOR TO PROVIDE CURLEX I 0
EXCELSIOR MATTING ACROSS THE \\
ENTIRE LENGTH & WIDTH OF ALL
SLOPES 3H:1V AND STEEPER
\\j;' - STONE OUTLET (TYP.) \
SKIMMER BASIN`\ ��t 4 SEE DETAIL 7/C502U�\`
#29/S.D.D. #29
PERIMETER SECURITY J
r \ FENCE TO CLEAR SPAN
\ JURISDICTIONAL AREA L
Lts-
IMITS OF
DISTURBANCE a A
rTAILINGS POND 2 �
SKIMMER BASIN FENCE (TYP,� SEDIMENT Q�,\
% I#11/S.D.O. #11 SEE DETAIL 2/C501 Q \�
.--`-
_
50' UNDISTURBED
BUFFERf
LIMITS OF �Q /
DISTURBANCE
I �`
NO GRADING, CLEARING, OR OTHER
CONSTRUCTION ACTIVITIES TO OCCUR
WITHIN THE 50' UNDISTURBED STREAM
BUFFER UNLESS PRIOR WRITTEN
APPROVAL 1S GIVEN.
1
"! j O�� LIMITS OF\ / /� / #8/S.D.0 #8_ - % f p / G�
��DISTURBAt\; `\ /r / ! G P �\ p F r ,.� t\ mac° I b0
y/6 ® \
OF
SKIMMER BASIN r S , - IST BANCE
/ / f O SKIMMER BASIN,
#15/S.D.0 #15) 7\STR�GIO/S \ ` \ #23/S.D.O. #23
TEMP.. SEDIMENT �� �41efZiP \ f \. \\ Gam\ % r / ` cQ to 20 r
FENCE (TYP.) �oKID
SEE
SKI
�� C BASIN? �l - I / `/ ' P /
TOTAL DISTURBED AREA = 86.76 ACRES
EROSION CONTROL SEQUENCE NOTES
1. OBTAIN GRADING/EROSION CONTROL PLAN APPROVAL AND PERMIT.
2. CONTACT EROSION CONTROL INSPECTOR TO ESTABLISH A PRE CONSTRUCTION CONFERENCE AND INSPECTION
SCHEDULE.
SELF INSPECTION ..... EFFECTIVE OCTOBER 1, 2010, PERSONS CONDUCTING LAND -DISTURBING ACTIVITIES,
LARGER THAN ONE (1) ACRE MUST INSPECT THEIR PROJECT AFTER EACH PHASE OF THE PROJECT, AND DOCUMENT
THE INSPECTION IN WRITING ON APPROVED FORMS,
THE PHASES ARE AS FOLLOWS:
1. INSTALLATION OF PERIMETER EROSION AND SEDIMENT CONTROL MEASURES.
2. CLEARING AND GRUBBING OF EXISTING GROUND COVER,
3. COMPLETION OF ANY PHASE OF GRADING OF SLOPES OR FILLS.
4. INSTALLATION OF STORM DRAINAGE FACILITIES.
5. COMPLETION OF CONSTRUCTION OF DEVELOPMENT.
6. ESTABLISHMENT OF PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN EROSION.
3. CLEAR SITE ONLY AS NECESSARY TO INSTALL INITIAL EROSION CONTROL MEASURES AS FOLLOWS:
A. TEMPORARY CONSTRUCTION ENTRANCE/EXIT AT CLARK ROAD.
B. THIS SITE HAS TEMPORARY SKIMMER BASINS AND SEDIMENT BASINS AS SHOWN.
C. TEMPORARY DIVERSION BERMS
D. TEMPORARY SILT FENCING AND STONE OUTLETS
E. SEED EMBANKMENTS AND DISTURBED AREAS OF DEVICES INCLUDING "CLEAN° WATER DIVERSION UPON
COMPLETION OF CONSTRUCTION. SEE GROUND STABILIZATION CRITERIA BELOW FOR MORE INFORMATION.
4. BEGIN CLEARING, GRUBBING, AND STRIPPING OF SITE AS REQUIRED.
EARTHEN -MATERIAL STOCKPILES ON -SITE FOR LATER DISTRIBUTION AND/OR REMOVAL. AREAS DEDICATED FOR
MANAGEMENT OF LAND CLEARING AND DEMOLITION DEBRIS, CONSTRUCTION AND DOMESTIC WASTE, AND
HAZARDOUS OR TOXIC WASTE SHALL BE LOCATED AT LEAST 50 FEET AWAY FROM STORM DRAIN INLETS AND
SURFACE WATERS (UNLESS IT CAN BE SHOWN THAT NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE), AND
WITHIN AREAS PROTECTED BY EROSION CONTROL MEASURES.
5. BEGIN SITE GRADING. MAINTAIN EROSION CONTROL DEVICES IN ACCORDANCE WITH THE MAINTENANCE PLAN.
INSTALL ADDITIONAL EROSION CONTROL MEASURES AS REQUIRED.
6. INSTALL STORM DRAINAGE SYSTEM AND UTILITIES. STORM PIPING MUST BE INSTALLED TO THE POINT WHERE IT
ENTERS EACH DEVICE. COMPLETION OF PIPING WILL ONLY BE ALLOWED ONCE THE SITE HAS BEEN DEEMED STABLE BY
THE EROSION CONTROL INSPECTOR. INSTALL PROTECTION AROUND ALL INLETS AS STORM DRAIN SYSTEM IS
INSTALLED.
DESCRIPTION
STABILIZATION
STABILIZATION
TIMEFRAME
TIMEFRAME
EXCEPTIONS
PERMANENT DIKES,
SWALES, DITCHES, &
7 DAYS
NONE
SLOPES
SLOPES STEEPER THAN
7DAYS
IF SLOPES ARE IDOR LESS IN
3 i
LENGTH A ARE NOT STEEPER
THAN 2:1, 14 DAYS ALLOWED
SLOPES 3:1 OR
14 DAYS
7 DAYS FOR SLOPES - 50'
FLATTER
IN LENGTH
ALL OTHER AREAS
WITH SLOPES
14 DAYS
NONE
FLATTER THAN 41
A \ TEMPORARY DIVERSION � / � - / -
) �� SKIMMER''`#6/S.D.O
STONE OUTLET (TYP.` / if r f J / \s0�
SEE DETAIL 7/C502 ¢ BASIN #6 I DITCH (TYP.) / / �j ' 50' UNDISTURBED
SEE DETAIL 3/C502 f f f /J1
/BUFFER -I LIMITS OF #5 �i0 `/ < i t ✓ / / �f /`f/ / f1 r/,•- - - SKIMMER BASIN12-/ f J//-""' 1 ``� 7. PRIOR TO THE CONTRACTOR DEMOBILIZING FROM THE SITE AT APPROXIMATELY 45 DAYS PRIOR TO
DISTURBANCE �/� SKIMMER BASIN s� f/ /% 1I % _ 21 S D.O. 21. -h14 -
!y,/�f,, SKIMMER BASIN #7/ #27/S.D.O #27�! '� / ,✓ f ` /i f'" ` 11 ,/ ✓ / # / z� # ` %DEMOBILIZATION),THE FINANCIAL RESPONSIBLE PARTY OR THEIR DESIGNEE WILL NOTIFI'THE ENGINEER AND THE
70.00 LF S.D.O #7 s / t �^' p f / / `f r/ ` r "`� -"`r l / !� ` `Q N N �..s` ,,. -Fi 1 LT"-'- DESIGNATED EROSION CONTROL INSPECTOR OF THEIR ANTICIPATED DATE TO LEAVE THE SITE. AN ON -SITE
/ r --� ` -, �`, _ r,,./ I P ,�% ,,%.•''"` ,%/ „ram'INSPECTION WILL BE CONDUCTED PRIOR TO THE LEAVE DATE BY THE ENGINEER AND/OR THE DESIGNATED EROSION
SKIMMER BASIN OF 15" RCP / - / f d /^' ( / f % / M n n
14 S. D.O 14 /� ^~ PROP. % /�€tl CONTROL INSPECTOR TO MAKE CERTAIN ALL ACTIONS ITEMS HAVE BEEN ADDRESSED BY THE CONTRACTOR.
# / # /� �✓ \ \ % f f r STREAM CROSSING / SKIMMER BASIN I 50' UNDISTURBED E ��// d/ ) I ' /
/ r / / f 8. CONTINUE TO MAINTAIN EROSION CONTROL MEASURES UNTIL VEGETATIVE COVER HAS BEEN ESTABLISHED
f� LIMITS OF \ STRUCTURAL PLATE ARCH / # BUFFER A%l
WALL #24 S.D.O. 24 ( .!" ✓ _(�20 / OVER ALL DISTURBED AREAS AND SITE HAS BEEN STABILIZED. REMOVE EROSION CONTROL MEASURES ONLY
IV
DISTURBANCE / -�V I I METAL 24' SPAN x 10'-4" 4✓ _ ( ( i F
1' l� '_'_- l f i AFTER FINAL INSPECTION AND APPROVAL eYENGINEER.
r RISE BRIDGE CULVERT BY ` % SKIMMER BASIN So N ° /((� o
BASIN ER \\ CONTECH CONSTRUCTION /
4. ..-.- /#20/S. D.O. #20 �' _ � ^ ca ) EROSION CONTROL MAINTENANCE PLAN (CONTRACTOR MUST INCLUDE MAINTENANCE IN BASE BID)
64.00 LF �� #4/S.D.O #4 PRODUCTS / c' l I ( 4 M f o
....---"""-".._.,_ 1 Y \ \ \ `\41 ,-� �,,,•'" ,%� m 1. INSPECT ALL SEDIMENTATION AND EROSIONCONTROL DEVICES FOR STABILITYAND FUNCTION EACHWEEK
OF 15" RCP r _ % r / ✓
�"'^�. � ..•-• LIMITS OF \ ! MINING LIMITS �'+ %'" •' co '`^,.. � ,% i / AND FOLLOWING EACH RAINFALL EVENT.
/j S
9�ip r ✓- % ✓' a DISTURBANCE d J /
i �~ �,„...- ---- --._ �„"/ `f./r ""� ~\ / �- \ ` 5 `"� �" \ �''•, `"'� `, SW/1
---_ G 1 H s/ ! 2. REMOVE SILT/SEDIMENT FROM TEMPORARY DEVICES WHEN ACCUMULATED VOLUME HAS REACHED 50%
�' / MO ITORING/WVELL �6q r'' / / %
SKIMMER BASIN � _--. � /y/� ! �.✓� f -"'� � CAPACITY.
q / #26/S.D.O #26 / '`T \. ` ✓ , r 6`,
LIMITS OF o' / TEMP. CHECK DAM - t
,.-
DISTURBANCE TYP. '--- �` ✓ 129.73 LF OF TEMP. SEDIMENT f ;,..---' ,�j• ` 3. REMOVED ACCUMULATED SILTJSEDIMENT FROM BEHIND TEMPORARY SEDIMENT FENCE WHEN DEPTH
( ) "--� \ ` t` .-'`� l'FENCE (TYP.) ,„, 6 -- '" / EXCEEDS APPROXIMATELY 0.5'. REPAIR AND REPLACE SILT FENCE AS NECESSARY•
SEE DETAIL 4 C501 ` /� 18"RCP /
�✓ �% - O / LIMITS OF �� \ SEE DETAIL 2/C501 `j\\ �t0 Q
\ _ 48.03 LF DISTURBANCE-- -`~'' 4. SEED AND STABILIZE TEMPORARY DIVERSION BERMS IMMEDIATELY AFTER CONSTRUCTION
OF 15" RCP `\ ` LIMITS INCLUDING 'CLEAN'WATER DIVERSION BERMS. RE-GRADE/REPAIR BERMS AS REQUIRED
DISTURBANCEq , f 08
-� 5. CONTRACTOR SHALL APPOINT ANON -SITE INSPECTOR AND MAINTAIN RECORDS OF INSPECTIONS IN
( t/ r /` \0d fCC� s 'O CONSTRUCTION ACTIVRDANCE WITH ITIES PROVISION OF THE GENERAL NPDES STORMWATER DISCHARGE PERMIT FOR
SKIMMER BASIN % 126.90 LF 1 \ ` \ r -" 0f7
# / # \ \ `F }15 \
I }} / ( __ 70.00 LF OF I TEMP. SEDIMENT // OSW-2
\ ` FENCE (TYP.) ONITORING WELL \ \ \\\ \ ` \ { o\
FES 2 \� 'P� i ( '•� 15° RCP 7` DETAILED CONSTRUCTION SEQUENCE
SEE DETAIL 2/C501 Y. y ��
LIMITS OF,���`-".,, % J I ,+'" A �`� >, ( f ✓ / / ' \ \ �, a 1. CONSTRUCT THE TEMPORARY SURGE STONE CONSTRUCTION ENTRANCE/EXIT OFF CLARK ROAD.
DISTURBANCE / PROP. SEPTIC /o / / -- / �� "'SKIMMER BASIN \ \ f 9 �`
80' OF, % �.,. FIELD �a ( _ % -'^�., ^"\ '^��,,��N V'(� - ;i `_ #19/S.D.O. A19 \ .,,'`�.•�f; r / \ �9 2. INSTALL SILT FENCE AND STONE OUTLETS FROM CLARK ROAD TO THE SOUTH SIDE OF THE STREAM
( \ ,O� ( ( .1 !,� �`" \ - M1f3" \\'\ '___ -'"' `- / ,J"� ��`' 9Ci \ C LOCATED AT 16+87. SILT FENCE TO BE LOCATED ON BOTH SIDES OF THE ROAD AND SOUTH BANKS OF
24' RCP r SEE SHEETC302 FOR \
TEMPORARY TEMP. SEDIMENT n \ \ \\
SKIMMER BASIN BAFFLES s'r,/' \ ` � L-\ (� THE STREAM.
FES 1 CONSTRUCTION / FENCE TYP. t{ ai I \\\
(TYP.) ` �' I \ AND GRADING, (TYP.) ✓ \ \ \ \
ENTRANCE/EXIT ..----• o ( -50,
/ t ` "� �M�. ��.A�, 3. INSTALL SKIMMER BASIN 6AND SKIMMER BASIN 7AND THEIR ASSOCIATED TEMPORARY DIVERSION
\ SEE DETAIL 2/C501 I \ , SKIMMER BASIN \ / ` \ - - 1 f \ C` \
SKIMMER BASIN j `O \ ` \ -\ } #25/MINE '� STRST(7Re`" J / } \ ry^ YY '"�\, O - ! l \ ` `\ \ DITCHES AND SLOPE DRAIN (IF CALLED FOR).
#17/S.D.0 (STORM j \ l\ \ / DEWATERING\\
f f } I, -I 1 ✓ lr DRAINAGE OUTLET) �' \ /4`'� /� ! S.D.O #25 "-- tii"�UFFFR \ TEMP. SEDIMENT - '•-�, TfN f„/°f/ f/ I -_� \ J'J, ti 4. INSTALL IMPERVIOUS CLEAN WATER DIKE AND BYPASS PUMPING SYSTEM AS SHOWN ON SHEET C402.
STONE PIPE INLET - Ot #17 \ - _�• FENCE (TYP.) _- 6? ��-RcP / I I� ��
_PROTECTION `-., \/ \,.-.--- / n I\ \ INSTALL THE PERMANENT 54' PIPE AND ENDWALLS AT STATION 16+87.
_ _ _ ✓ 6 SEE DETAIL 2/C501 Rv
SE SHEET C3G2 FOR / e \\ j - ` % / �__�C�'N, lSA 5. APPLY 10" STONE BASE LAYER TO ENTRANCE ROAD AND COMPACT.
CDTS OF
SKIMMER BASIN BAFFLES �DISTURLIMIBANCE\\ \ \ _ ///O9A °s.
p1 \ AND GRADING, (TYP.) \ "\ I \ ,"--- r'\ / ° J 7 6. BACKFILL, PREPARE SLOPES AND OTHER DISTURBED AREAS AND STABILIZE.
I�T�' y� P MONITORING WELL` \ / ` \�Y- Oho / "z L"� `l\' ,/ / ''�� T`�'"� �' ✓' "� r""`m m '\�' 7. INSTALL SILT FENCE AND STONE OUTLETS ALONG NORTH SIDE OF THE STREAM.
Z \} 4 `., �•,� '�. `---- >� _..- , \ (( /,,F;/'f „/ ^-- --" \ 1QQ,----.---"" B. INSTALL SILT FENCE AND STONE OUTLETS AROUND THE EXISTING STREAM BUFFER AND PROPERTY
f p�r 1 4 { \ A 1 en ~ \ EXISTING WELLING ' \ `----Sj.R / f,•` t� (� BOUNDARY (WHERE DENOTED ON PLANS). INSTALL SKIMMER BASINS 4, 5, 13, 11, 3, 2, 1, 12, 8, AND
I ` p� ^�,,h �, ���`'•�. APPROX. CATION ' \ \\\ \„ \ C'iQ �,,,.� �L',.F(} t C �� _.. 10 AND THEIR ASSOCIATED TEMPORARY DIVERSION DITCHES AND SLOPE DRAINS (IF CALLED FOR).
l IN, n `�, \ �6'`,., •�.,�_ ~"" �-1 '^��' ~'`� '-"`•-- \ '"`�• \ / (" PI.PPRQX.`�.� g, PLACE ALL SILT FENCE AND STONE OUTLETS DOWN SLOPE OF ALL PROPOSED BERMS.
c�`d / YO�TH AS LL { Epp. a \ f
( / O O / ,% ( I ` �- „�'�°' •-,� ^-� \ ,� '"� r T \ { t \ \ `� f L ~� \ \ ! yFy�i 10. BEGIN GRADING THE INITIAL MINE AREA, MOVE AND PLACE MATERIAL FOR BERMS. PLACE AND
/ Z 1 /_,� \ "�---..�„ .� , \ 4 ,," S�"'TT'(� "-"" ""---•-'' \\ 1\\8,•,..'` COMPACT MATERIAL FOR PLANT AND STOCKPILE AREA. ALL BERMS SHALL BE CONSTRUCTED AND
41
`( y ,� ` �/ J _ , „ '� \ $��\„1 •.\`f f j �je�J}",-� �.� ",. •,�-" �C STABILIZED WITHIN 1 YEAR OF STARTING MINING ACTIVITIES.
(� } ( \ _
m :D \ •�., f I \ 1 -„ �-�V m.�, •.,y`� �� \ rI J--�._ ..P._ .,l (� ,h �� 17. CONSTRUCT TAILINGS PONDS BEFORE MINING OPERATION BEINGS.
FIT
n f y,-,..,._ ( \�. .,,, --`^- a / f ,,,^�,+' r ✓ / %� %� (,. \ \ C T ,�}, `.,,�, , \, 12. SEED AND MULCH ALL AREAS THAT ARE NOT COVERED WITH ASPHALT OR STONE.
rnm _ ���� \� STORMWATER SEWER CALCULATIONS AND DESIGN TABLE
C 1T1 -„�.-- l r ``�. "" """ `�• \� `� .--"� 13. STABILIZE ALL CHANNELS AND SLOPES WITH MATTING AS NOTED ON THE PLANS.
T1 � s \ e � � N� � � } INLETQBASED ON4"/HOUR
l\ \ C_ / STORM RETURN PERIOD: 10 Yr for (TOC=S Minutes)
40
(' Z-^--•^.'"" T� �,. ""' -.._.. .�._ � '"`""- �_ � ,`'` \ ""_ /�-.' Off- _._-----'�,.��'�,` _X\`T M1l
r ,�
/100 \ 100 200 300- 400 -``•+- ` L_ ._. ��y '-`",` --
TYPE
GRATE
RIM
FROM
TO
INLET
AREA
(Ac•)
INLET
Q
CPS
TOTAL
AREA
(Ac.)
I
(in1hr)
C
Q
CPS
GRATE/
RIM/
THROAT
FROM
INV.
(ft)
TO
INV.
(ft)
APPROX.
LENGTH
(ft)
SLOPE
%
N
D(THEO.)
(inches)
PIPE
SIZE
(inches)
PIPE
MATERIAL
N/A
FES 1.
FES 2
7.91
9.49
7.910
7.04
0.30
16.71
N/A
612.59
611.79
80.00
1.00
0.013
21.40
24
RCP
840.16
DI
D12
0.45
0.90
0.450
7.04
0.50
1.58
632.50
630.25
626.95
126.90
2.60
0.013
7.39
15
RCP
840.16
D12
FES 13
0.19
0.61
0.64
7.04
0.80
3.60
629.20
626.95
624.48
48.03
5.14
0.013
8.86
15
RCP
N/A
FES 3
FES 4
4.24
5.09
4.240
7.04
0.30
8.95
N/A
600.24
597.31
64.00
4.58
0.013
12.73
15
RCP
N/A
FES 5
FES 6
2.51
3.01
2.510
7.04
0.30
5.30
N/A
630.50
628.00
70.00
3.57
0.013
10.96
15
RCP
N/A
FES 7
FES 8
5.52
6.62
5.520
7,04
0.30
11.66
N/A
617.75
616.12
129.73
1.26
0.013
17.92
18
RCP
N/A
FES 9
FES 10
0.31
0.37
0,308
7.04
0.30
0.65
N/A
611.00
607.00
65.00
6.15
0.013
4.51
15
RCP
N/A
FES I
FES 12
3.24
3.89
3.240
7.04
1 0.30
G.84
N/A
609.60
606.92
64.00
4.19
0.013
11.71
15
RCP
N/A
FES 13
ITS 14
7.58
9.10
7.560
7.04
0.30
16,01
N/A
607.20
606.40
32.00
2.50
0.013
17.74
18
RCP
N/A
FES 15
FES 16
0.54
0.86
0.536
7.04
0.40
1.51
N/A
609.84
609.00
56.00
1.50
0.013
8.05
18
RCP
D ��c7 Y I
!
.'v,_200' w-..._ ---'` CCU
i-
1 - -r l�
....----- "ems �ti _`"••- '^""_
! a�?� /
---- s~ ,
REINFORCED CONCRETE PIPE (RCP)TOBECLASSIII,PIPEJOINTSPERASTMC443;T•YPE2PIPE INSTALLATION ASTMC1479
DROP INLETS I & 2 TO BENCDOT STANDARD 840.14 WITH 540.16 FRAME& GRATES
FLARED IND SECTION (FES)
s����n,lnatal;
SEED MIXTURE, SEEDING RATE, AND SOIL AMENDMENTS TO
BE APPROVED BY AN ENVIRONMENTAL PROFESSIONAL AND
SUBMITTED TO OWNER AND ENGINEER PRIOR TO
APPLICATION. SEED MIXTURE TO BE A MIXTURE OF RED
CLOVER, CREEPING RED FESCUE, AND A GRAIN, SUCH AS,
OAT, WHEAT, OR RYE.
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ALAMANCE
AGGREGATES,
R1'
a1 Threatt, VP
2 3/31/20
NCDEMLR COMMENTS
1
1/20/20
ADDITIONAL STREAM INFO - ALAM. AGE.
& LAND QUALITY COMMENTS
N0:
DATE:
DESCRIPTION:
REVISIONS
PROJECT NUMBER:
2190335
DRAWN BY:
KCG/ATC/BWS
REVIEWED BY:
PAS
ISSUED FOR:
CONSTRUCTION
DATE:
4/8/20
DRAWING NAME:
DRAWING NUMBER:
o1.