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GOLDSTON DAVID B \ / ? O 0
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VICINITY MAP \ VACANT ; 1 m d' Z
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N.T.S. I PARCEL ID 081830 \ ��� / fi > r
a / PLUM CREEK TIMBERLAND LP \ \ 1 3 \ ;\ ♦� / , cn Q N
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PARCEL ID 10200008 �,� ; �� ; j �'�
1 BABSON LOUDELLA SIMMONS
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RESIDENTIAL I , "- �� -�� PARCEL ID 1020003604
\ , GORE SUSAN MINTZ
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PARCEL ID 10200006 /�
MCPHERSON JENETTE � � -__ -- ♦ 1' N/F VACANT �/ PARCEL ID 10200022'04 J/ !' 1 �- J cn m
2 / - - � ` f I PARCEL ID 007510 � I KING JEREMY LYLE C
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PARCEL ID 10200009 ` '1" /
SMITH LEON CULBERT /
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a - -PARCEL ID 10200083 PARCEL D' 10200022 \ /
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�� BERRIDGE JANICE
4 MYLES ESTHER B I � i;;:� j / �--
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VACANT PARCEL ID 093644 / N/Fr.`�=1 /.•-.�` / ZONVACANT RR
RACCOON SILVA LLC i PARCEL ID 007510
N/F I ZONING - GENERAL USE WBM 4 LLC
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PARCEL ID 1020001001 VACANT /
5MYLES ESTHER B VACANT ' / \ / / Z O
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PARCEL ID 1020001102 I
6 MIWKEN CHARLES 1 /PARCE //F
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PARCEL ID 1020001101 1 ♦♦`♦ Al \ O O a
7 BABSON KENNETH R
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PARCEL ID 1020001103 -��-� , 1 - \5 `'� /' IRREVOCABLE TRUST
8 ZTHREE ONING COCLD I ' �•` I 1 ��I/�v v� \ \ / ,-\ ZONING - RR
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PARCEL ID 1020001106 a � i` i ice/ PARC� ID 10200010 \
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9 SPNEY SUE MINE ' , / / BAB99N KENNETH R \ 7 1 O \T \ o 0
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Licence 3641
_ ------- — 22081
- - —
_ N/F ND QUALITY�- PARCEL ID 11600008 I AE /'' / MINING PROGRAM
--.•� KING WESLEY E JR I / At EL_ I /- DES. JPN
ZONING - RR cKD. JPN
\ I VACANT A
DRWN. EDB
DATE 08/29/23
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NOTES:
1. MINING TO COMMENCE ON AN AS NEEDED BASIS. �__--- �1 - ----- -------__
2. RECLAMATION IS REQUIRED PRIOR TO MINE CLOSE OUT. / ' PARCEL ID 11600010 \\ = OS E A L _
\ / / FORMYDUVAL DANIEL
3. NO PERMANENT STRUCTURES OR PERMANENT EMPLOYEIES ARE PROPOSED ON SITE. - - - — - - - - - -
! - - - - - - - a PRATT -
4. THE HOURS OF OPERATION WILL BE MONDAY THRU FRIIDAY FROM 7:30 AM TO 5:00 PM.
- - - - -
- - - /
�---- - - / ZONING - RR Q
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5. BUFFERS SHALL BE NATURAL VEGETATION SUPPLEMENTED WITH PLANTINGS AS \
NECESSARY TO MEET REQUIREMENTS. a ��� Fp �Q'♦�
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6. A 30FT ACCESS EASEMENT SHALL BE PROVIDED FOR ALL MINES TO ALLOWf/IK,8�♦��
ACCESS TO NEW BRITTON HWY E ALONG THE EXISTING HAUL ROAD. k
7. MINE OPERATOR SHALL USE A WATER TRUCK TO CONTROL DUST ALONG THE HAUL
ROAD AS NECESSARY. - -------------
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PARCELS 007510 Off
TOTAL SITE AREA 275.23 z w
EXISTING WETLANDS 3.12 NCDOT CLASS A OR B 0 c'o No
CONSTRUCTION SEQUENCE: EROSION CONTROL N 0-
DISTURBED WETLANDS 0 1. INSTALL GRAVEL CONSTRUCTION ENTRANCE STONE—
UNDISTURBED WETLANDS 3.12 2. INSTALL TEMPORARY SILT FENCE — IF REQUIRED
3. BEGIN CLEARING & GRUBBING STONE ON#57
UPSTREAM
CATEGORY ACREAGE 4. EXCAVATE DIVERSION DITCHES TO CHANNEL FLOW TO SEDIMENT BASIIN FACE
MINE EXCAVATION 22.82 5. CONTINUE CONSTRUCTION Q z 2'-0" MIN.
FILTER � Z
PROCESSING AREA/HAUL ROADS 0.05 6. STABILIZE & SEED DISTURBED AREAS FABRIC v
TAILINGS/SEDIMENT PONDS, DEWATERING BASIN 0.20 N Q FLOW
STOCKPILES 0 .. � . � � . .� � .
z _ Licence #C-3641
WASTE PILES 0 SECTION A—A —�
BUFFER AREA / UPLAND AREA 9.64 00
_ _—_ � � =� �_� =� �_� �_� �_� �_� =� �_� �_ — _ �_� 22081
TOTAL AREA TO BE PERMITTED 32.71 STONE CHECK DAM � �_� DES. JPN
— — — — — 6'-0" TYPICAL — — — - — — — — — — — — CKD• JPN
STONE CHECK DAM MAINTENANCE: DRWN. EDB
INSPECT CHECK DAMS AND CHANNELS AT LEAST WEEKLY ANS SINGLE FIBERGLASS
LEGEND AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER) RAINFALL ROVING CHANNEL
EVENT AND REPAIR IMMEDIATELY. CLEAN OUT SEDIMENT, STRAW, TEMPORARY DIVERSION S W A L E LINER DAIS 08/29/23
LIMBS, OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL
PROPERTY LINE
WHEN NEEDED. NTS �������������C 1.
— — — — — J nnVN�. ' T � N
FL FL APPROXIMATE FLOOD PLAIN ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK :�Q'�� '• •• • • i
DAM AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF
THE DAM. CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT _• 9S�
AE AE APPROXIMATE AE FLOOD LINE
EROSION OCCURS BETWEEN DAMS, ADDITIONAL MEASURES CAN
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NOTES: � O4 G �•
BE TAKEN SUCH AS, INSTALLING A PROTECTIVE RIPRAP LINER
L❑E L❑E LIMITS OF EXCAVATION 1. MINING TO COMMENCE ON AN AS NEEDED BASIS. IN THAT CHANNEL.
2. RECLAMATION IS REQUIRED PRIOR TO MINE CLOSE OUT. q� N 3
3. NO PERMANENT STRUCTURES OR PERMANENT EMPLOYEES ARE PROPOSED ON SITE.
4. THE HOURS OF OPERATION WILL BE MONDAY THRU FRIDAY FROM 7:30 AM TO 5:00 PM. REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS ' OS ••••� •••• P��,`
5. BUFFERS SHALL BE NATURAL VEGETATION SUPPLEMENTED WITH PLANTINGS AS NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION, ALLOW
WETLANDS AREA
NECESSARY TO MEET REQUIREMENTS. THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM,
6. A 30FT ACCESS EASEMENT SHALL BE PROVIDED FOR ALL MINES TO ALLOW AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER
ACCESS TO NEW BRITTON HWY E ALONG THE EXISTING HAUL ROAD. THE DAM. ADD STONES TO DAMS AS NEEDED TO MAINTAIN
7. MINE OPERATOR SHALL USE A WATER TRUCK TO CONTROL DUST ALONG THE HAUL DESIGN HEIGHT AND CROSS SECTION.
ROAD AS NECESSARY.
UNDISTURBED VEGETATED BUFFER SCALE . 1 100' cl
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PARCELS 075 2310 NCDOT CLASS A OR B O LD o � =
TOTAL SITE AREA 2 CONSTRUCTION SEQUENCE. EROSION CONTROL
EXISTING WETLANDS 3.12 1. INSTALL GRAVEL CONSTRUCTION ENTRANCE STONE
DISTURBED WETLANDS 0 2. INSTALL TEMPORARY SILT FENCE - IF REQUIRED
UNDISTURBED WETLANDS 3.12 3. BEGIN CLEARING & GRUBBING 4" TO 6" #57
STONE ON UPSTREAM
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CATEGORY ACREAGE
X 2'-0" MIN.
5. CONTINUE CONSTRUCTION z
6. STABILIZE & SEED DISTURBED AREAS FILTER w
MINE EXCAVATION 30.88 FABRIC � v
PROCESSING AREA/HAUL ROADS 0.09 N FLOW
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TAILINGS/SEDIMENT PONDS, DEWATERING BASIN 0.20 Z — Licence #C-3641
0 SECTION A-A (—I
STOCKPILES ap I—III—I I 22�81
WASTE PILES o STONE CHECK DAM _ — 11=III=III=III=III=IIIIII—III=III=III=III=III III—III=I
BUFFER AREA / UPLAND AREA 7.3s i1 I=1 I=1 i I III=III=III=III=III=III=III=III=III=1 I I=III=1 I __ __ III=III=III=1 I DEs. JPN
TOTAL AREA TO BE PERMITTED 38.56
cKD. JPN
STONE CHECK DAM MAINTENANCE: 6'-0" TYPICAL
INSPECT CHECK DAMS AND CHANNELS AT LEAST WEEKLY ANS SINGLE FIBERGLASS DRwN. EDB
LEGEND AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER) RAINFALL ROVING CHANNEL DATE 08/29/23
EVENT AND REPAIR IMMEDIATELY. CLEAN OUT SEDIMENT, STRAW, TEMPORARY DIVERSION S W A L E LINER
LIMBS, OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL
PROPERTY LINE lulra� �2+tn ttt�gt� WHEN NEEDED. NITS ����,`N Ciloi,o#
ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK
FL FL APPROXIMATE FLOOD PLAIN DAM AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF
THE DAM. CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT 2' -v'7
SE L
NOTES:
AE AE APPROXIMATE AE FLOOD LINE EROSION OCCURS BETWEEN DAMS, ADDITIONAL MEASURES CAN
L❑E L❑E LIMITS OF EXCAVATION 1. MINING TO COMMENCE ON AN AS NEEDED BASIS. BE TAKEN SUCH AS, INSTALLING A PROTECTIVE RIPRAP LINER _ 16 O�
2. RECLAMATION IS REQUIRED PRIOR TO MINE CLOSE OUT. IN THAT CHANNEL. Iwo
3. NO PERMANENT STRUCTURES OR PERMANENT EMPLOYEES ARE PROPOSED ON SITE. v0••Fi� IN ��• lie.�
4. THE HOURS OF OPERATION WILL BE MONDAY THRU FRIDAY FROM 7:30 AM TO 5:00 PM. REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS S • • ••• ��
5. BUFFERS SHALL BE NATURAL VEGETATION SUPPLEMENTED WITH PLANTINGS AS NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION, ALLOW ,�'�•,;�pN K'
WETLANDS AREA NECESSARY TO MEET REQUIREMENTS. THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM,
6. A 30FT ACCESS EASEMENT SHALL BE PROVIDED FOR ALL MINES TO ALLOW AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER
ACCESS TO NEW BRITTON HWY E ALONG THE EXISTING HAUL ROAD. THE DAM. ADD STONES TO DAMS AS NEEDED TO MAINTAIN
7. MINE OPERATOR SHALL USE A WATER TRUCK TO CONTROL DUST ALONG THE HAUL DESIGN HEIGHT AND CROSS SECTION.
ROAD AS NECESSARY.
UNDISTURBED VEGETATED BUFFER SCALE :
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PARCELS 007509 FABRIC
TOTAL SITE AREA 130.44 -
EXISTING WETLANDS 17.74 z w
DISTURBED WETLANDS 0 NCDOT CLASS A OR B O coo oN
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UPSTREAM
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MINE EXCAVATION 13.23 FACE "
PROCESSING AREA/HAUL ROADS 0.12 5. CONTINUE CONSTRUCTION z 2 -0 MIN.
TAILINGS/SEDIMENT PONDS, DEWATERING BASIN 0.20 6. STABILIZE & SEED DISTURBED AREAS FILTER
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STOCKPILES 0 FLOW
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WASTE PILES 0 — Licence #C-3641
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BUFFER AREA / UPLAND AREA 4.06 SECTION A—A I-III
00
III=III=11 22081
TOTAL AREA TO BE PERMITTED 17.61 STONE CHECK DAM S -� � 1 I-I I-I I-III-� I-� I-III-� I C I I- =1 I I-1 11-11 I
NTS =1 I �_� I I=� I I III1 I=ll 1 =ll 1 I=� I I=� I I=1 I � 1 I I=� 1 I=� I I=�I =1 I ----I I 1=1 11=1 11=1 I DES. JPN
— — — — — 6'-0" TYPICAL — — - — — — — — — — CKD• JPN
STONE CHECK DAM MAINTENANCE: DRWN• EDB
INSPECT CHECK DAMS AND CHANNELS AT LEAST WEEKLY ANS SINGLE FIBERGLASS
LC C ^' D AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER) RAINFALL ROVING CHANNEL
C L' V EVENT AND REPAIR IMMEDIATELY. CLEAN OUT SEDIMENT, STRAW, TEMPORARY DIVERSION S W A L E LINER DATE 08/29/23
LIMBS, OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL
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WHEN NEEDED. NTS �� '
— — — — — PROPERTY LINE'MtrA�'�'Wti4T &1N� C �
ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK ��� j • ���
FL FL APPROXIMATE FLOOD PLAIN DAM AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF O� 2100
THE DAM. CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT 2: EA
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AE AE APPROXIMATE AE FLOOD LINE EROSION OCCURS BETWEEN DAMS, ADDITIONAL MEASURES CAN -
NOTES: 0 6 21
BE TAKEN SUCH AS, INSTALLING A PROTECTIVE RIPRAP LINER
LSE LOE LIMITS OF EXCAVATION 1. MINING TO COMMENCE ON AN AS NEEDED BASIS. IN THAT CHANNEL. •
2. RECLAMATION IS REQUIRED PRIOR TO MINE CLOSE OUT. i v '•F/�r �;•' O
3. NO PERMANENT STRUCTURES OR PERMANENT EMPLOYEES ARE PROPOSED ON SITE.
4. THE HOURS OF OPERATION WILL BE MONDAY THRU ERIDAY FROM 7:30 AM TO 5:00 PM. REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS O •. IN .• �
K.
5. BUFFERS SHALL BE NATURAL VEGETATION SUPPLEMENTED WITH PLANTINGS AS NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION, ALLOW
WETLANDS AREA NECESSARY TO MEET REQUIREMENTS. THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM,
6. A 3OFT ACCESS EASEMENT SHALL BE PROVIDED FOR ALL MINES TO ALLOW AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER
ACCESS TO NEW BRITTON HWY E ALONG THE EXISTING HAUL ROAD. THE DAM. ADD STONES TO DAMS AS NEEDED TO MAINTAIN
7. MINE OPERATOR SHALL USE A WATER TRUCK TO CONTROL DUST ALONG THE HAUL DESIGN HEIGHT AND CROSS SECTION.
ROAD AS NECESSARY.
UNDISTURBED VEGETATED BUFFER SCALE :
i 1 11 = i 1 O O, C3
0 100 200 300

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ACREAGE S CHECK DAM SILT FENCE AT
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PARCELS 007509 THE LOE LINE �
TOTAL SITE AREA 130.44 STONE CHECK DAM MAINTENANCE: EXISTING
FARM ROAD TO
17.74 INSPECT CHECK DAMS AND CHANNELS AT LEAST WEEKLY ANSEXISTING WETLANDS AFTER EACH SIGNIFICANT (112 INCH OR GREATER) RAINFALL BE USED AS
DISTURBED WETLANDS p EVENT AND REPAIR IMMEDIATELY. CLEAN OUT SEDIMENT, STRAW, 20' HAUL h0
UNDISTURBED WETLANDS 17.74 OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL ROAD Z
WHEN NEEDED. D
CATEGORY ACREAGE ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK �
DAM AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF
MINE EXCAVATION 30.38 THE DAM. CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT
PROCESSING AREA/HAUL ROADS 0.53EROSION OCCURS BETWEEN W
DAMS, Z
IN THAT CHANNEL.TAILINGS/SEDIMENT PONDS, DEWATERING BASIN 0.20 BE TAKEN SUCH AS, INSTALLING A PROTECTIVE RIPRAP LINER O
STOCKPILES p TEMPORARY ; o
WASTE PILES 0 REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS SIT FENCE AT
BUFFER AREA / UPLAND AREA 11.03 NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION, ALLOW THE LOE LINE
42.14 THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM, \ 5°TOTAL AREA TO BE PERMITTED AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER
THE DAM. ADD STONES TO DAMS AS NEEDED TO MAINTAIN
DESIGN HEIGHT AND CROSS SECTION. � °
NOTES:
1. MINING TO COMMENCE ON AN AS NEEDED BASIS.
2. RECLAMATION IS REQUIRED PRIOR TO MINE CLOSE OUT.
3. NO PERMANENT STRUCTURES OR PERMANENT EMPLOYEES ARE PROPOSED ON SITE. � �
PLANTINGS AS 04. THE HOURS OF OPERATION WILL BE MONDAY THRU FRIDAY FROM 7:30 AM TO 5:00 PM. 0005. BUFFERS SHALL BE NATURAL VEGETATION SUPPLEMENTED WITH
NECESSARY TO MEET REQUIREMENTS. JZN
6. A 3OFT ACCESS EASEMENT SHALL BE PROVIDED FOR ALL MINES TO ALLOW
ACCESS TO NEW BRITTON HWY E ALONG THE EXISTING HAUL ROAD.
7. MINE OPERATOR SHALL USE A WATER TRUCK TO CONTROL DUST ALONG THE HAUL Z
ROAD AS NECESSARY. \ WZ
CONSTRUCTION SEQUENCE: om
<
1 INSTALL CONSTRUCTION ENTRANCE
2. INSTALL TEMPORARY SILT FENCE - IF REQUIRED
3. BEGIN CLEARING & GRUBBING
4. EXCAVATE DIVERSION DITCHES TO CHANNEL FLOW
TO SEDIMENT BASIN
5. CONTINUE CONSTRUCTION
6. STABILIZE & SEED DISTURBED AREAS /' J a/ a o No
10'x l n00
ENERGY DI
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T '� Q 000 GRAPE WZry
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DEWATERING p, NOO oo BASIN ST EG
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0EGEC SILT FENCE AT
C3THE LOE LINE Licence #C-3641
MINE #4 22081
� DES. JPN
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0O . . ( DRWN. EDB•rrr1r/7 TEMPORARY DATE 08/29/23
TEMPORARY t•% CDIVERSION #6 DIVERSION #7
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SCALE . 1 = 100 4
100 �200 300
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TEMPORARY/PERMANENT SKIMMER BASIN CONSTRUCTION SPECIFICATION SITE WORK NOTES: �-
GRASS SPECIFICATION 1. THE CONTRACTOR SHALL VISIT THE SITE TO BECOME FAMILIAR WITH FIELD m
6_ Wf E.S. FABRIC CONSTRUCTION CONDITIONS.
8' W/ WIRE MESH 1. CLEAR, GRUB, AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION 2. CONTRACTOR SHALL COORDINATE WORK WITHIN NCDOT AND LOCAL RIGHT
STEEL POST 1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER AND ROOT MAT. REMOVE ALL SURFACE SOIL CONTAINING HIGH AMOUNTS OF ORGANIC OF WAYS WITH PROPER AUTHORITIES AND SHALL MEET ANY REQUIREMENTS
WIRE MESH FOR STANDARD FABRIC ADVERSE SOIL CONDITIONS. SKIMMER NOTE: MATTER AND STOCKPILE OR DISPOSE OF IT PROPERLY. HAUL ALL OBJECTIONABLE AS TO TRAFFIC CONTROL AND CONNECTION TO EXISTING STREETS.
2. RIP THE ENTIRE AREA TO A 6 INCH DEPTH. SKIMMER MUST FLOAT ON TOP OF MATERIAL TO THE DESIGNATED DISPOSAL AREA. PLACE TEMPORARY SEDIMENT 3. CLEARING AND GRUBBING: REMOVE ALL TRE-S AS REQUIRED UNLESS
L6x6
14 GA. o a z a' STANDARD OR EXTRA STRENGTH 3. REMOVE ALL ROCKS, ROOTS AND OTHER OBSTRUCTIONS LEAVING SURFACES WATER TO WORK PROPERLY. VENT CONTROL MEASURES BELOW BASIN BS NEEDED. OTHERWISE NOTED TO REMAIN, STUMPS, ROOTS, SHRUBBERY, ASPHALT,
OPENING FOR
MESH FOR I FILTER FABRIC SMOOTH AND UNIFORM. CONTRACTOR SHALL VERIFY THAT WATER ENTRY 2. ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, WOODYCONCRETE, STRUCTURES, BURIED UTILITIES, STORAGE TANKS, ETC. WITHINN4. APPLY AGRICULTURAL LIME AND FERTILIZER UNIFORMLY AND MIX WITH SOIL. THE BARREL LENGTH WILL ALLOW VEGETATION, ORGANIC MATTER, AND OTHER OBJECTIONABLE MATERIAL. PLACE THE FILL LIMITS OF CONSTRUCTION. O JDARD FABRIC N,�as LIME: 45 LBS. PER 1000 S.F. SKIMMER TO FLOAT AT EMERGENCY IN LIFTS NOT TO EXCEED 9 INCHES, AND MACHINE COMPACT IT. OVER FILL THE
f 4. STRIPPING: BEFORE EXCAVATING OR FILLING, REMOVE ALL TOPSOIL,
DIRECTION OF WATER FLOW
PHOSPHOROUS: 20 LBS PER 1000 S.F. SPILLWAY ELEVATION. EMBANKMENT 6 INCHES TO ALLOW FOR SETTLEMENT. a Q
WOOD, LEAVES, AND ANY OTHER UNSUITABLE MATERIAL. I__
FERTILIZER: 17 LBS. PER 1000 S.F. 3. SHAPE THE BASIN TO THE SPECIFIED DIMENSIONS. PREVENT THE SKIMMING DEVICE Elf cn
5. MUCKING: REMOVE ANY SOFT ORGANIC SILT MATERIALS AND EXISTING
ANCHOR FABRIC SKIRT 5. CONTINUE TILLAGE UNTIL A WELL PULVERIZED, FIRM, UNIFORM SEED BED IS FROM SETTLING INTO THE MUD BY EXCAVATING A SHALLOW PIT UNDER THE SKIMMER BUP.!FD CONSTRUCTION DEBRIS AS REQUIRED AND FILL TO SUBGRADE vvi Z
� PREPARED 4-6 INCHES DEEP. OR PROVIDING A LOW SUPPORT UNDER THE SKIMMER OF STONE OR TIMBER. Ld Z
ELEVATIONS WITH A CLEAN SELECT-FILL COMPACTED AS SPECIFIED. o p �
�j z MIN. 8" DEEP & 4" WIDE. 6. SEED ON A FRESHLY PREPARED SEED BED AND COVER SEED LIGHTLY. 4. PLACE THE BARREL (TYPICALLY 4-INCH SCHEDULE 40 PVC PIPE) ON A FIRM, 6. DISPOSAL: CLEARED, GRUBBED, STRIPPED OR EXCAVATED SPOIL SHALL 0 J
2 - 3 LBS PER 1000 S.F. (SEE MIXTURE BELOW) OPENING FOR WATER ENTRY SMOOTH FOUNDATION OF IMPERVIOUS SOIL. DO NOT USE PERVIOUS MATERIAL 0
BE REMOVED FROM SITE AND DISPOSED OF IN ACCORDANCE WITH ALL >
7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. SUCH AS SAND, GRAVEL, OR CRUSHED STONE AS BACKFILL AROUND THE PIPE. APPLICABLE LOCAL AND STATE CODES. w �
GRAIN STRAW & HAY AT 75 TO 100 LBS PER 1000 S.F. PLACE THE FILL MATERIAL AROUND THE PIPE SPILLWAY IN 4-INCH LAYERS AND 7. BORROW MATERIAL: THE CONTRACTOR SHALL FURNISH BORROW af F
WOOD CHIPS AT 500 LBS. PER 1000 S.F. COMPACT IT UNDER AND AROUND THE PIPE TO AT LEAST THE SAME DENSITY AS THE MATERIAL REQUIRED FROM OFF SITE AND OBTAIN ALL REQUIRED PERMITS Cl'
NOTES: JUTE & MESH AS PER MANUFACTURER FLEXIBLE JOINT - FLOAT ADJACENT EMBANKMENT. CARE MUST BE TAKEN NOT TO RAISE THE PIPE FROM THE ASSOCIATED WITH BORROW OPERATIONS.. 0 Q
1. SYN. FENCE FABRIC SHALL BE MIN. OF 30" IN WIDTH 8. ASPHALT FOR ANCHORING MULCH SHALL BE TYPE SS-1 EMULSION AND FIRM CON!ACT WITH ITS FOUNDATION WHEN COMPACTING UNDER THE PIPE HAUNCHES. 8 FILL AND COMPACTION: AFTER STRIPPING THOSE AREAS DESIGNATED TO V
APPLIED AT A RATE OF 1000 GAL. PER ACRE FOR SLOPE STABILIZATION, BARREL PIPE RECEIVE FILL SHOULD BE PROOFROLLED. THE TOP 8" OF SUBGRADE SHALL N
WITH 30 LB/IN TENSILE STRENGTH FOR STANDARD FABRIC AND 150 GAL. PER TON OF STRAW FOR ANCHORING STRAW. PLACE A MINIMUM DEPTH OF 2 FEET OF COMPACTED BACKFILL OVER THE PIPE N
AND 50 LB/IN FOR EXTRA STRENGTH. 9. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEED REFER TO TABLE FOR REQUIRED LENGTH. BE COMPACTED TO AT LEAST 98% OF MAXIMUM DENSITY AT OPTIMUM Q ON
2. FABRIC SHALL BE CONTINUOUS LENGTH. IF JOINTS ARE WITHIN THE PLANTING SEASON, IF POSSIBLE. IF GRASS STAND SHOULD BE SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION EQUIPMENT. IN NO CASE MOISTURE CONTENT. ANY AREA WHICH PUMPS OR RUTS EXCESSIVELY
NECESSARY, LAP FABRIC POST TO POST. OVER 6TH DAMAGED, REESTABLISH FOLLOWING ORIGINAL LIME, FERTILIZER SHOULD THE PIPE CONDUIT BE INSTALLED BY CUTTING A TRENCH THROUGH THE DAM SHOULD BE UNDERCUT AND REPLACED WITH A CLEAN, SILTY OR CLAYEY Q
AFTER THE EMBANKMENT IS COMPLETE. SAND HAVING A UNIFIED SOIL CLASSIFICATION OF SP, SM, OR SC. FILL 0
3. STEEL POST SHALL BE MIN 4' IN HEIGHT .AND BE OF THE AND SEEDING RATES. 5. ASSEMBLE THE SKIMMER FOLLOWING THE MANUFACTURER INSTRUCTIONS, OR �
SELF-FASTENER STEEL ANGLE TYPE. 10. CONSULT CONSERVATION INSPECTOR ON MAINTENANCE, TREATMENT, AND AS DESIGNED. MATERIAL 5" OUTSIDE OF BUILDING AREAS SHALL THEN BE PLACED IN
FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED. OUTLET END LAYERS NOT TO EXCEED 8" AND COMPACTED TO AT LEAST 95% OF THE m
6. LAY THE ASSEMBLED SKIMMER ON THE BOTTOM OF THE BASIN WITH THE
11. SEED FOR TEMPORARY AND PERMANENT APPLICATIONS SHALL BE: CONNECT TO OUTLET STANDARD PROCTOR MAXIMUM DRY DENSITY ) �
TEMPORARY SILT FENCE 20% CARPET GRASS PIPE OR RISER. AREA 1: 4.0 SKIMMER WITH 3.3 ORIFICE DIAMETER FLEXIBILE JOINT AT THE INLET OF THE BARREL PIPE. ATTACH THE FLEXIBLE JOINT TO (ASTM D-698 WITH THE
AREA 2: 4.0" SKIMMER WITH 3.9" ORIFICE DIAMETER THE BARREL PIPE AND POSITION THE SKIMMER OVER THE EXCAVATED PIT OR UPPER 12 INCHES OF SUBGRADE BEING COMPACTED TO 98% OF THE cn
NTS 24% BERMUDA GRASS REFER TO TABLE FOR THE B RT. BE SURE TO ATTACH A ROPE TO THE SKIMMER AND ANCHOR IT TO THE STANDARD PROCTOR MAXIMUM DRY DENSITY. FILL MATERIALS WITHIN
24% TURF FESCUE 10%GRAIN
CREEPING RED FESCUE REQUIRED DIAMETER AREA 3: 3.0 SKIMMER WITH 2.9 ORIFICE DIAMETER SIDE OF THE BASIN. THIS WILL BE USED TO PULL THE SKIMMER TO THE SIDE FOR BUILDING AREAS TO A LINE OUTSIDE THE BUILDING AREAS SHALL BE Z
2UD ANNUAL RYE GRAIN AREA 4: 4.0" SKIMMER WITH 3.9" ORIFICE DIAMETER MAINTENANCE. PLACED IN LAYERS NOT TO EXCEED 8" AND COMPACTED TO AT LEAST 98%
PLANTING.
SEED SHALL BE HULLED FOR WARM WEATHER 7, EARTHEN SPILLWAYS---INSTALL THE SPILLWAY IN UNDISTURBED SOIL TO THE OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY ASTM D-698 WITH a 0
PLANTING. PURITY L SEED SHALL BE A MIN. OF 98% AND GREATEST EXTENT POSSIBLE. THE ACHIEVEMENT OF PLANNED ELEVATIONS, GRADE, THE UPPER 12 INCHES OF SUBGRADE BEING COMPACTED IN 6 INCH
GERMINATION SHALL BE A MIN. OF 85%. DESIGN WIDTH, AND ENTRANCE AND EXIT CHANNEL SLOPES ARE CRITICAL TO THE LAYERS TO 100% OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY. IN Q V
ALL DISTURBED AREA SHALL BE SEEDED WITHIN 15 DAYS S THE COMPLETION OF STANDARD SKIMMER DETAIL (FAIRCLOTH) WITH [[LAMINATED EPIASTC OR OF (HE IMPERMEABLE GEOTEXTIY, THE S E!LLWAY FABRIC SHOULD
FABRIC MUST BE INCHES OF FIN-PLACE STRUCTURAL
FILL
BEECOMP'AC PLACED
TED TO A UPPER
LEAST 98% Z U
GRADING. CONSULT CONSERVATION ENGINEER A SOIL CONSERVATION SERVICE FOR N.T.S. WIDE AND LONG ENOUGH TO COVER THE BOTTOM AND SIDES AND EXTEND ONTO THE OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY. IF THE MATERIAL IS Q ADDITIONAL INFORMATION CONCERNING OTHER ALTERNATIVES FOR VEGETATION OF TOP OF THE DAM FOR ANCHORING IN A TRENCH. THE EDGES MAY BE SECURED WITH TOO DRY TO ,COMPACT TO THE REQUIRED DENSITY EACH LAYER SHALL BE
DENUDED AREAS. THE ABOVE VEGETATION RATES ARE THOSE WHICH WELL 8-INCIH STAPLES OR PINS. THE FABRIC MUST BE LONG ENOUGH TO EXTEND DOWN WETTED IN ACCORDANCE WITH COMPACTION REQUIREMENTS. IF THE MATERIAL N N mCC
UNDER LOCAL CONDITIONS, OTHER SEEDING SCHEDULES MAY BE POSSIBLE. THE SILOPE AND EXIT ONTO STABLE GROUND. THE WIDTH OF THE FABRIC MUST BE IS TOO WET TO SECURE PROPER COMPACTION, IT SHALL BE HARROWED d• C
ONE PIECE, NOT JOINED OR SPLICED; OTHERWISE WATER CAN GET UNDER THE REPEATEDLY OR OTHERWISE AERATED WITH SUITABLE EQUIPMENT UNTIL CC
FABRIC. IF THE LENGTH OF THE FABRIC IS INSUFFICIENT FOR THE ENTIRE LENGTH OF OPTIMUM MOISTURE CONTENT IS OBTAINED. FILL SHALL BE PLACED IN SUCH G
THE SPILLWAY, MULTIPLE SECTIONS, SPANNING THE COMPLETE WIDTH, MAY BE USED A MANNER THAT THE SURFACE WILL DRAIN READILY AT ALL TIMES. SEE in
NPDES STABILIZATION TIMEFRAMES THE UPPER SECTIONS) SHOULD OVERLAP THE LOWER SECTION(S) SO THAT WATER STRUCTURAL NOTES AND SOILS REPORT FOR ADDITIONAL REQUIREMENTS. W 0
TOP TOP CANNOT FLOW UNDER THE FABRIC. SECURE THE UPPER EDGE AND SIDES OF THE 9• LAYOUT: THE CONTRACTOR SHALL PROVIDE ALL LAYOUT REQUIRED TO V
SITE AREA DESCRIPTION STABILIZATION TIMEFRAME EXCEPTIONS - FABRIC IN A TRENCH WITH STAPLES OR PINS. (ADAPTED FROM "A MANUAL FOR CONSTRUCT HIS WORK.
O T j DESIGNING, INSTALLING AND MAINTAINING SKIMMER SEDIMENT BASINS." FEBRUARY, 10. THE CONTRACTOR IS RESPONSIBLE FOR THE LOCATION AND PROTECTION
0 PERIMETER DIKES, SWALES, DITCHES AND SLOPES 7 DAYS NONE OF EXISTING UTILITIES DURING CONSTRUCTION.
1999. 1. W. FAIRCLOTH & SON.).
BOTTOM ,I 8, INLETS-DISCHARGE WATER INTO THE BASIN IN A MANNER TO PREVENT EROSION. 11. EXISTING BOUNDARY INFORMATION BY GIS & AERIAL PHOTOGRAPHY AND
QJO� HIGH QUALITY WATER (HQW) ZONES 7 DAYS NONE 1 3 �_ I 3 USE TEMPORARY SLOPE DRAINS OR DIVERSIONS WITH OUTLET PROTECTION TO DIVERT PROVIDED BY OWNER.
IF SLOPES ARE 10' ORt LESS IN LENGTH AND ARE NOT ' ' SEDIMENT LADEN WATER TO THE UPPER END OF THE POOL AREA TO IMPROVE BASIN 12. THE CONTRACTOR SHALL VERIFY DIMENSIONS AT JOBSITE.
s0' SLOPES STEEPER THAN 3:1 7 DAYS STEEPER THAN 10' O DAYS ARE ALLOWED 13. THE CONTRACTOR IS RESPONSIBLE FOR THE COORDINATION OF
M/N TRAP EFFICIENCY (REFERENCES: RUNOFF CONTROL MEASURES AND OUTLET RELOCATION OR DISCONNECTION OF ALL EXISTING UTILITIES WITH
SLOPES 3:1 OR FLATTER 14 DAYS 7 DAYS FOR SLOPES GREATER THAN 50' IN LENGTH PROTECTION. APPLICABLE AGENCIES AND AUTHORITIES.
ALL OTHER AREAS WITH SLOPES FLATTER THAN 4:1 14 DAYS NONE, EXCEPT FOR PERIMETERS AND HQW ZONES SEDIMENT BASIN SECTION 14. ALL PAVEMENT AND BASE MATERIALS AND WORKMANSHIP SHALL
9. EROSION CONTROL-CONSTRUCT THE STRUCTURE SO THAT THE DISTURBED AREA CONFORM TO NCDOT STANDARDS.
N.T.S. IS MINIMIZED. DIVERT SURFACE WATER AWAY FROM BARE AREAS. COMPLETE THE 15. ALL AREAS SHALL BE GRADED FOR POSITIVE DRAINAGE.
�aJ EMBANKMENT BEFORE THE AREA IS CLEARED, STABILIZE THE EMERGENCY SPILLWAY Z O
16. CONTRACTOR SHALL NOTE THAT EARTHWORK QUANTITIES ARE HIS
EMBANKMENT AND ALL OTHER DISTURBED AREAS ABOVE THE CREST OF THE 3:: N
RESPONSIBILITY. PLANS DO NOT REPRESENT A BALANCED EARTHWORK 0 ,4-
PRINCIPAL SPILLWAY IMMEDIATELY AFTER CONSTRUCTION (REFERENCES: SURFACE CONDITION.
O N
STABILIZATION). J O
10. INSTALL POROUS BAFFLES AS SPECIFIED IN PRACTICE 6.65, POROUS BAFFLES. -� Z
6" MIN. GENERAL NOTES: CLASS A STONE 11, AFTER ALL THE SEDIMENT-PRODUCING AREAS HAVE BEEN PERMANENTLY z
EROSION CONTROL NOTES AND MAINTENANCE PLAN Y STABILIZED, REMOVE THE STRUCTURE AND ALL THE UNSTABLE SEDIMENT. � d.'
2" - 3" 1. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED FOR W
��j DETERMINE BORROW PIT DEWATERING BASIN SIZE USING SMOOTH THE AREA TO BLEND WITH THE ADJOINING AREAS AND STABILIZE PROPERLY I'7
COARSE AGGREGATE V = 8.0203 * Q T, WHERE V IS VOLUME (FT3), Q IS FILTRATION STABILITY AND OPERATION FOLLOWING EVERY RUNOFF-PRODUCING RAINFALL, Z _
PUMP FLOW RATE (GPM), AND T IS DEWATERING TIME (HR). GEOTEXTILE (REFERENCES: SURFACE STABILIZATION). BUT IN NO CASE, LESS THAN ONCE EVERY WEEK AND WITHIN 24 HOURS OF
� �
EVERY HALF-INCH RAINFALL. O Q
USE MAXIMUM FLOW RATE OF 1000 GPM AND A MINIMUM MAINTENANCE 2. ALL POINTS OF EGRESS WILL HAVE CONSTRUCTION ENTRANCES THAT WILL
DEWATERING TIME OF 2 HOURS. BE PERIODICALLY TOP-DRESSED WITH AN ADDITIONAL 2 INCHES OF #4 STONE
TEMPORARY GRAVEL RISER SHALL BE A NON-PERFORATED, SMOOTH OR CORRUGATED STEEL POST STON ATORRGY INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT TO MAINTAIN PROPER DEPTH. THEY WILL BE MAINTAINED IN A CONDITION TO
MATERIAL WITH A FLASHBOARD OPTION. (ONE-HALF INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. PREVENT MUD OR SEDIMENT FROM LEAVING THE SITE. IMMEDIATELY REMOVE
CONSTRUCTION ENTRANCE REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN OBJECTIONABLE MATERIAL SPILLED WASHED OR TRACKED ONTO THE
CONSTRUCT THE COIR FIBER BAFFLE IN ACCORDANCE WITH ROADWAY SEDIMENT ACCUMULATES TO ONE-HALF THE HEIGHT OF THE FIRST BAFFLE. PULL CONSTRUCTION ENTRANCE OR ROADWAYS.
NTS STANDARD DRAWING 1640.01 AND WITH MATERIAL THAT MEETS THE x THE SKIMMER TO ONE SIDE 80 THAT THE SEDIMENT UNDERNEATH IT CAN BE 3. DIVERSION DITCHES WILL BE CLEANED OUT IMMEDIATELY TO REMOVE
so
SPECIFICATIONS OF ROADWAY STANDARD 1060-14. A EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE BASIN, NOT JUST AROUND SEDIMENT OR OBSTRUCTIONS FROM THE FLOW AREA. THE DIVERSION RIDGES
THE SKIMMER OR THE FIRST CELL. MAKE SURE VEGETATION GROWING IN THE BOTTOM WILL ALSO BE REPAIRED. SWALES MUST BE TEMPORARILY STABILIZED WITHIN
PROVIDE 5' STEEL POST OF THE SELF-FASTENER ANGLE STEEL TYPE. OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER. 21 CALENDAR DAYS OF CEASE OF ANY PHASE OF ACTIVITY ASSOCIATED WITH A
INSTALL STEEL POSTS WITH NO MORE THAN 3' of THE POST APPEARING SWALE.
ABOVE THE GROUND. REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE-ANCHOR THE BAFFLES IF WATER 4. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN
1/4 "L" IS FLOWING UNDERNEATH OR AROUND THEM. IT BECOMES HALF FILLED. THE SEDIMENT FENCE WILL BE REPAIRED AS
ATTACH THE COIR FIBER MAT TO THE STEEL POSTS WITH WIRE OR NECESSARY TO MAINTAIN A BARRIER. STAKES MUST BE STEEL. STAKE
OTHER ACCEPTABLE MEANS AND STAPLED INTO THE BOTTOM AND SIDE "=2"W" MIN. RISER IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN, SPACING WILL BE 6 FEET MAX. WITH THE USE OF EXTRA STRENGTH FABRIC, z � O
SLOPES of THE BASIN WITH 12 STAPLES. USUALLY JERKING ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND WITHOUT WIRE BACKING. STAKE SPACING WILL BE 8 FEET MAX. WHEN
DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE STA:.DARD STRENGTH FABRIC AND WIRE BACKING AIRE USED. IF ROCK FILTERS 0 �
INSTALL TYPE 2 GEOTEXTILE ON SIDE SLOPES AND BOTTOM OF BASIN AT SKIMMER OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS. ALSO CHECK ARE DESIGNED AT LOW POINTS IN THE SEDIMENT FENCE, THE ROCK WILL BE 0✓ r-
INLET AS SHOWN IN THE DETAIL. THE ORIFICE INSIDE THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO REMOVE THE REPAIRED OR REPLACED IF IT BECOMES HALF-FOLIC OF SEDIMENT, NO LONGER < U00
DEBRIS. DRAINS AS DESIGNED OR IS DAMAGED. U Ltj> z
USE THE TYPICAL SECTION SHOWN FOR THE BORROW PIT DEWATERING 5. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND
BASIN AS A GUIDE. THE BASIN MAY HAVE ANY TYPE CONFIGURATION AS EARTH DIKE IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED MULCHED, ACCORDING TO SPECIFICATIONS IN THE VEGETATIVE PLAN, TO _
LONG AS SUFFICIENT VOLUME IS PROVIDED AND PROVISIONS ARE MADE AND 7HE OBSTRUCTION CLEARED WITH A PLUMBER'S SNAKE OR BY-FLUSHING WITH MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER. ALL SLOPES WILL BE w Q
FOR ANON-PERFORATED RISER. PLAN WATER. BE SURE AND REPLACE THE ORIFICE BEFORE REPOSITIONING THE SKIMMER. STABILIZED WITHIN 21 CALENDAR DAYS. ALL OTHER AREAS WILL BE STABILIZED Ld
WITHIN 15 WORKING DAYS. : WATER QUALITY REQUIRES ALL SEEDED AREAS ry I- Z
DO NO EXCEED 3.5 FT. IN HEIGHT FOR THE EARTH DIKES REQUIRED FOR CHECKTHE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRED WILL BE FERTILIZED, RESEEDED AS NECESSARY AND MULCHED ACCORDING TO Lv J
BORROW PIT DEWATERING BASIN. REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY. CHECK THE SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS, DENSE
TOP BANK ELEV. = m
VARIES FROM 38' TO 30' EMBARKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE VEGETATIVE COVER. ALL PERIMETER DIKES, SWALES, HORIZONTAL TO ' DITCHES, z V)
THE BORROW PIT DEWATERING BASIN SIZE IS VARIABLE AND DEPENDENT x EMBANKMENT FOR PIPING AND SETTLEMENT, MAKE ALL NECESSARY REPAIRS PERIMETER SLOPES, ALL SLOPES STEEPER THAN 3 VERTICAL (3:1) AND ALL Q
ON SPECIFIC SITE REQUIREMENTS AS WELL AS PROPOSED CONSTRUCTION co IMMEDIATELY. REMOVE ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND HIGH QUALITY WATER IZONES SHALL BE ' 1 PROVIDED TEMPORARY OR ( rn
OPERATIONS. 1.0 f 1.0 f POOL AREAS. PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT z C-4
MINE RECLAMATION 1� IN ANY EVENT WITHIN SEVEN (7) CALENDAR DAYS FROM THE LAST Lv
BACKSLOPE 3 FINAL NORMAL WATER ELEVATION SUBMIT THE SIZE, LOCATION AND RISER PIPE MATERIAL FOR APPROVAL 1 1} �(' FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL LAND-DISTURBING ACTIVITY. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED w
AVERAGE PRIOR TO CONSTRUCTION. 1 1 �,� I PRECAUTIONS SHOULD BE TAKEN IN THE WINTER TO PREVENT THE SKIMMER FROM TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS H
DEPTH = 25' 86PLUGGING WITH ICE. PRACTICABLE BUT IN ANY EVENT WITHIN FOURTEEN 14 z � N
PUMP THE EFFLUENT INTO THE BORROW PIT DEWATERING BASIN TO A ( ) CALENDAR DAYS FROM
1 MAXIMUM DEPTH OF 6 IN. BELOW TOP OF THE EARTH DIKE. THE LAST LAND-DISTURBING ACTIVITY.
UNCLASSIFIED 6. FLOCCULANTS WILL BE USED TO ADDRESS TURBIDITY ISSUES. THE �- CD
BOTTOM ELEV. VARIES EARTH MATERIAL ANTI-SEEP PUMPS, TANKS, HOSES AND INJECT SYSTEMS WILL BE CHECKED FOR --I 0 00
N I
PROVIDE A STONE ENERGY DISSIPATER PAD AT THE OUTLET OF THE I-) STEEL POSTS COLLAR r
PUMP DISCHARGE HOSE AND OUTLET OF THE RISER BARREL IN VARIABLE PROBLEMS OR TURBID DISCHARGES DAILY. Wro
W/O DID CH E WITH ROADWAY STANDARD DRAWING 876.02 FOR OUTLET BAFFLEILTER z
MINE SLOPE & RECLAMATION CROSS SECTION < Z
TYPICAL SECTION vlEw ry BAFFLE CONSTRUCTION SPECIFICATION Z o 0
NTS o
NOTES:
ry
1. DEPTH OF MINE WILL BE DICTATED BY SUITABLE MATERIAL. FIRST CHAMBER SECOND CHAMBER OUTLET ZONE 1. GRADE THE BASIN SO THAT THE BOTTOM IS LEVEL FRONT TO BACK AND SIDE N z Z
2. AT RECLAMATION ALL BANKS ABOVE NORMAL WATER WILL BE BORROW PIT DEWATERING BASIN DETAIL
INLET ZONE 25% OF SURFACE 25% OF SURFACE AREA O
25% OF SURFACE o N O
SLOPED & GRADED AT 4:1 & STABILIZED WITH GRASSING. 25% OF SURFACE AREA AREA 2. INSTALL POSTS OR SAW HORSES ACROSS THE WIDTH OF THE SEDIMENT TRAP N o
AREA (PRACTICE 6.62, SEDIMENT FENCE). z
3. STEEL POSTS SHOULD BE DRIVEN TO A DEPTH OF 24 INCHES, SPACED A
MAXIMUM OF 4 FEET APART, AND INSTALLED UP THE SIDES OF THE BASIN AS WELL.
MIN. 20' THE TOP OF THE FABRIC SHOULD BE 6 INCHES HIGHER THAN THE INVERT OF THE
EXTEND 9 GAUGE TO 5' CREST WIDTH
SPILLWAY. TOPS OF BAFFLES SHOULD BE 2 INCHES LOWER THAN THE TOP OF THE
BERMS.
COMPACTED SOIL BASIN SIDE OR INSTALL OUTLET STRUCTURE 4. INSTALL AT LEAST THREE ROWS OF BAFFLES BETWEEN THE INLET AND OUTLET
ROADWAY T-POST TO ANCHOR SEE DETAIL BAFFLE TO SIDE OF SD PIPE CONTINUES DISCHARGE POINT. BASINS LESS THAN 20 FEET IN LENGTH MAY USE 2 BAFFLES.
DRAPE BAFFLE MATERIAL OVER WIRE BASIN AND SECURE TO INFLOW m w TO OUTLET LOCATION 5, WHEN USING POSTS, ADD A SUPPORT WIRE OR ROPE ACROSS THE TOP OF THE
STRAND AND SECURE WITH PLASTIC TIES VERTICAL POST W Licence #C-3641
STRUCTURE
AT POSTS AND ON WIRE EVERY 12" 4' MAX. _9
D D D MEASURE TO PREVENT SAGGING.
m m m 6. WRAP POROUS MATERIAL, LIKE JUTE BACKED BY COIR MATERIAL, OVER A 22081
HAUL ROAD SECTION SAWHORSE OR THE TOP WIRE. HAMMER REBAR INTO THE SAWHORSE LEGS FOR
RIPRAP ORANCHORING. THE FABRIC SHOULD HAVE FIVE TO TEN PERCENT OPENINGS IN THE
NTS 9 GAUGE MIN. HIGH J 3' MIN. =I VARIABLE DEPTH SLOPE DRAIN WEAVE. ATTACH FABRIC TO A ROPE AND A SUPPORT STRUCTURE WITH ZIP TIES, DES. JPN
TENSION WIRE STRAND - WIRE, OR STAPLES. CKD. JPN
SHALL BE SECURED - 7. THE BOTTOM AND SIDES OF THE FABRIC SHOULD BE ANCHORED IN A TRENCH DRWN. EDB
TO POST TO SUPPORT - E _ _ = - SECURE BOTTOM OF BAFFLE TO
GROUND WITH 12" STAPLES AT EARTHEN EMBANKMENT OR PINNED WITH 8-INCH EROSION CONTROL MATTING STAPLES.
BAFFLE MATERIAL WITH STABILIZED SIDE SKIMMER SEE DETAIL DATE 08/29/23
BAFFLE MATERIAL 12" MAXIMUM SPACING CONNECT SKIMMER TO
SLOPES 8. DO NOT SPLICE THE FABRIC, BUT USE A CONTINUOUS PIECE ACROSS THE BASIN.
BAFFLE MATERIAL OUTLET ORIFICE.
REMOVE SKIMMER AND MAINTENANCE
RETURN BASIN AND %
NOTES: * IF THE TEMPORARY SEDIMENT OUTLET STRUCTURE TO .`� '• ♦♦
1. MINING TO COMMENCE ON AN AS NEEDED BASIS. BASIN WILL BE CONVERTED TO A 11 GAUGE INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY S s�
STORMWATER DESIGN REQUIRED REPAIRS IMMEDIATELY. '4'
2. RECLAMATION IS REQUIRED PRIOR TO MINE CLOSE OUT. PERMANENT STORMWATER BASIN LANDSCAPING CONDITIONS © Z �'9:7
3. NO PERMANENT STRUCTURES OR PERMANENT EMPLOYEES ARE PROPOSED ON SITE. OF GREATER DEPTH, THE BAFFLE STAPLE EMERGENCY CONSTRUCTION a SEAL r% •'
4. THE HOURS OF OPERATION WILL BE MONDAY THRU FRIDAY FROM 7:30 AM TO 5:00 PM. HEIGHT SHOULD BE BASED ON _ _ _ SPILLWAY BE SURE TO MAINTAIN ACCESS TO THE BAFFLES. SHOULD THE FABRIC OF A BAFFLE .. O 16 O
5. BUFFERS SHALL BE NATURAL VEGETATION SUPPLEMENTED WITH PLANTINGS AS THE POOL DEPTH DURING USE AS COMPLETION, COLLAPSE, TEAR, DECOMPOSE, OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY. •
NECESSARY TO MEET REQUIREMENTS. A TEMPORARY SEDIMENT BASIN. I I=III= I I I III= I=I 2 �;'
6. A 30FT ACCESS EASEMENT SHALL BE PROVIDED, FOR ALL MINES TO ALLOW REMOVE SEDIMENT DEPOSITS WHEN IT REACHES HALF FULL TO PROVIDE ADEQUATE v '•FH IN _ �O
ACCESS TO NEW BRITTON HWY E ALONG THE EXISTING HAUL ROAD. POROUS BAFFLES IN A SEDIMENT BASIN. THE FLOW IS DISTRIBUTED EVENLY STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUICE PRESSURE ON THE '♦�S .`�
NOTE: INSTALL THREE (3) COIR FIBER BAFFLES ♦ �C �,Pe�
7. MINE OPERATOR SHALL USE A WATER TRUCK TO CONTROL DUST ALONG THE HAUL IN BASINS AT DRAINAGE OUTLETS WITH A ACROSS THE BASIN TO REDUCE FLOW RATES AND TURBULENCE, RESULTING BAFFLES. TAKE CARE TO AVOID DAMAGING THE BAFFLIES DURING CLEANOUT. ♦♦i♦�pH K.�����
ROAD AS NECESSARY. SPACING OF 1/4 THE BASIN LENGTH. TWO (2) IN GREATER SEDIMENT RETENTION. SEDIMENT DEPTH SHOULD NEVER EXCEED HALF THE 'DESIGNED STORAGE DEPTH. r/8111401
COIR FIBER BAFFLES CAN BE INSTALLED IN AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE
THE BASINS LESS THAN 20 IN LENGTH TYPICAL SKIMMER SEDIMENT BASIN & POROUS BAFFLE DETAIL ALL BAFFLE MATERIALS AND UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO
WITH A SPACING OF 1/3 THEE BASIN LENGTH.
GRADS:., AND STABILIZE IT.
FIGURE 6.65b ICOIR FIBER BAFFLE DETAIL NTS
CROSS SECTION( OF A POROUS BAFFLE IN 5
A SEDIMENT BASIN. NOTE. SEE PLAN FOR BAFFLE LOCATIONS.