SW6200303_2020-03-30 Boykin - IFP's_4/2/2020

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CONSTRUCTION DRAWINGS
FOR
BOYKIN
SOLAR POWER PLANT
WADE, CUMBERLAND COUNTY, NORTH CAROLINA
PIN: 0479=45=2358; 0479=53=7215; 0479=28=8759
GARY & PAMELA BEASLEY;
LARRY & KIMBERLY
BEASLEY; TIMOTHY &
SUSAN BEASLEY
PIN: 0479-28-8759
DB: 9747 PG:755
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(60' LEE PUBROAD
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B. HEIRS WHIT
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( GRAPHIC SCALE IN FEET )
1 inch = 500 ft.
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DIRECTIONS: FROM I-95S, TAKE EXIT 58 FOR US-13N TOWARD NEWTON GROVE. AFTER 0.5 MILES
TURN RIGHT ONTO JAMES DAIL ROAD. CONTINUE ON JAMES DAIL ROAD FOR APPROX. 2.3 MILES.
SITE WILL BE ON THE RIGHT.
VICINITY MAP
SCALE: N.T.S.
DRAWING LIST
SHEET
DRAWING TITLE
LATEST
ISSUE DATE
G0001
COVER SHEET
27
MAR
20
C0101
EXISTING CONDITIONS, DEMO
27
MAR
20
& CLEARING PLAN
C1000
SITE PLAN OVERVIEW
27
MAR
20
C1001
SITE PLAN SOUTH
27
MAR
20
C1002
SITE PLAN NORTH
27
MAR
20
C1200
EROSION CONTROL PLAN OVERVIEW
27
MAR
20
C1201
EROSION CONTROL PLAN ENLARGEMENT
1
27
MAR
20
C1202
EROSION CONTROL PLAN ENLARGEMENT
2
27
MAR
20
C1203
EROSION CONTROL PLAN ENLARGEMENT
3
27
MAR
20
C1204
EROSION CONTROL PLAN ENLARGEMENT
4
27
MAR
20
C1205
SEDIMENT BASIN ENLARGEMENTS
27
MAR
20
C1206
SEDIMENT BASIN ENLARGEMENTS
27
MAR
20
C1207
SEDIMENT BASIN ENLARGEMENTS
27
MAR
20
C5201
DETAILS
27
MAR
20
C5202
DETAILS
27
MAR
20
C5203
DETAILS
27
MAR
20
C5204
DETAILS
27
MAR
20
C5205
DETAILS
27
MAR
20
SST N S REPRESENTATIVE: BALLENTINE
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO ASS011"3ATES
PAO
ECOPLEXUS REPRESENTATIVE: 0
JIM HALLEY, P.E. 221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
PH. 919-241-8919
EMAILJHALLEY®ECOPLEXUS.COM (919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
G0001

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�GARY & PAMELA BEASLEY;�
L LARRY & KIMBERLY \
9 �B G ' f �\ SUSAN BEASLI Y
PIN: 0479-28-8759
DB:9747 PG:755
CLEARING NO GRUBBING IN
�•`-�� • `-`• / // T T T
I
-- �, • , „ `, • �'� WE LAND HA CHED AREA (YP.)
/ \ `c�`.'.• ��� I ( — SEE SHEET C1200 FOR
CONSTRUCTION SEQUENCE NOTES.
EXISTING UTILITY POLE AND � �•♦+• ♦+ `••♦+•` \�!• / / _____ � � _ � v
OVERHEAD LINE TO REMAIN (TYP.) l` • �•-�•- I
CLEARING AND GRUBBING TO BE
PERFORMED IN HATCHED AREAS r
�l� `� �`-• `-` ` - - ( ONLY (TYP.) SEE SHEET
,�,� �, `•:�, C1200 FOR CONSTRUCTION \
SEQUENCE NOTES.
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• ••� .'�- ��� � f' � � DISTURBANCE (TYP.) � J/
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FIN: 0479-45-2358
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CLEARING AND GRUBBING TO BE
PERFORMED IN HATCHED AREAS
ONLY — SEE SHEET
C120(FOR ) CONSTRUCTION
SEQUENCE NOTES.
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NOTES:
1. EXISTING CONDITIONS SHOWN ARE BASED UPON SITE SURVEY PERFORMED BY
STUART—PROCTOR, PLLC DATED FEBRUARY 06, 2019.
2. STREAM AND WETLAND INFORMATION BASED ON WETLAND DELINEATION REPORT
ENTITLED "REPORT OF WETLAND DELINEATION" BY PILOT ENVIRONMENTAL DATED
APRIL 20, 2018.
3. REFER TO SHEET C1200, EROSION CONTROL PLAN, FOR EROSION CONTROL NOTES,
CONSTRUCTION SEQUENCE AND MORE INFORMATION ABOUT LIMITS OF DISTURBANCE.
CLEARING/GRUBBING NOTE:
CLEARING AND GRUBBING AREAS ARE SHOWN ON THIS
DRAWING SHEET ONLY FOR CLARITY. CLEARING AND
GRUBBING SHALL BE PERFORMED ONLY AFTER EROSION
CONTROL MEASURES ARE IN PLACE IN ACCORDANCE WITH
THE SEQUENCE OF CONSTRUCTION ON SHEET C1200.
DRAWING LEGEND
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SYMBOL/ABBREVIATION
EXISTING DEMO
DESCRIPTION
—130— —
MAJOR CONTOUR
MINOR CONTOUR
— —
PROPERTY LINE
R/W
RIGHT—OF—WAY LINE
OHE 0
OVERHEAD ELECTRIC LINE
LIMITS OF DISTURBANCE
STORM DRAINAGE PIPE
B
TREE LINE
WETLANDS
CLEAR & GRUB
CLEARING — NO GRUBBING
CI
300 0 150 300 600
D
( GRAPHIC SCALE IN FEET )
1 inch = 300 ft.
SST N S REPRESENTATIVE: BALLENTINE
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO ASS011"3ATES
P
Q\ o
ECOPLEXUS REPRESENTATIVE: 0
JIM HALLEY, P.E. 221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
PH. 919-241-8919
EMAILJHALLEY®ECOPLEXUS.COM (919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C0101

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p�N, �AgLARRY & KIMBERLY \
�-7 • Vw BEASLEY; TIMOTHY &
SUSAN BEASLEY
PIN: 0479-28-8759
DB: 9747 PG: 755
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C1007 SITE III
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DRAWING LEGEND �`.
SYMBOL/ABBREVIATION j� /� �O
/ EXISTING PROPOSED DESCRIPTION �
T
1`
/ MILI B HEIRS WH �
—130_ _ �-130—, - -
MAJOR CONTOUR �P1�QL. 0479 53 72 QQ
j / DB:2246 PG: 311
-132 - MINOR CONTOURCOQ�
— — PROPERTY LINE j A.
ADJOINER PROPERTY LINE " "•••"•"••"•"••"••"•,•"•• �"`� Q•
R/VU RIGHT-OF-WAY LINE
PERMANENT FENCE LINE v
2('O
z�To
TEMPORARY FENCE LINE rr T �o� O
OHE OHE OVERHEAD ELECTRIC LINE
LIE UNDERGROUND ELECTRIC LINE �'. " " " " /IT
STORM DRAINAGE PIPE
=
It] FLARED END SECTION KEN R�• �, yF
RIPRAP APRON BO ' 60j,pugL
�"F�R
TREE LINE R -mac/ RO
" R C
" 1 WETLANDS R R/w \
1 2 3
m
40 SID-
Fvp
EG ELEV.
PAVE 50 FT PERMANENT DRIVEWAY = ±128.40'
APRON WITH 6" OF 3,000
PSI CONCRETE OR 2" SF9.5B
ASPHALT PAVEMENT WITH EG ELEV.
8" OF ABC STONE = ±128.37'
FG ELEV.
= ±128.17'
EG ELEV.
- ±128.30' j
EG ELEV .�
±128.25'
EG ELEV. '10, 25'R
= f 128.20'
FG ELEV.
I� = f 128.10'
EX. ROAD 9
25'R
FG ELEV.
±128.05'
FG ELEV.
t 128.10'
/ OH E ^CO
NOTE: CONTRACTOR SHALL FIELD
VERIFY LOCATION OF EX.
UTILITIES AND CONTACTREMOVE TEMPORARY CONSTRUCTION�y
ENGINEER IF THERE ARE / F\
ANY CONFLIC ENTRANCE STONE, REPLACE WITH
TOPSOIL AND SEED
' B3 INSET "D": 24' PERMANENT ACCESS DRIVEWAY #2
C 1 OOOJ SCALE: 1 " = 20'
P� �S gyp.
INSTALL PERMANENT 60 LF OF 15"
RCP AT f0.8% (PER NCDOT
REQUIREMENTS NO FLARED END
SECTIONS)
FG ELEV.
±128.10'
RIPRAP (_D3
APRON A C521
EX. ROAD
12�
COMPOST D2
SOCK C52(
NOTE: CONTRACTOR SHALL
VERIFY LOCATION OF EX.
UTILITIES AND CONTACT
ENGINEER IF THERE ARE
ANY CONFUCT -.
FG ELEV.
t128.20'
`" --PIPE END
INV.= t125.1'
/
STRAW BLANKET
D3
/ C5202 MATTING - N.A.G. S150
,' (HATCHED AREA)
INSET "C": 24' WIDE TEMPORARY
c3 CONSTRUCTION ENTRANCE #2
C 1000% SCALE: 1 " = 20'
SITE DATA TABLE
PROJECT NAME:
BOYKIN PV1 SOLAR POWER PLANT
SITE ADDRESS:
4000 LEE RD, WADE, INC
PROPERTY PIN NUMBERS:
0479-45-2358; 0479-53-7215;
0479-28-8759
PROPOERTY ZONING:
Al
CURRENT USE:
WOODED/VACANT
PROPOSED USE:
SOLAR ELECTRIC POWER PLANT
RIVER BASIN:
CAPE FEAR
PROPOSED LIMITS OF
158.1 ACRES
DISTURBANCE:
PROPOSED AREA OF SOLAR
99.9 ACRES
FARM:*
*AREA INSIDE
PERMANENT FENCE.
N
TEMPORARY
CONSTRUCTION
ENTRANCE
PIPE END
INV.= t1'
9.14
PAVE 50 FT PERMANENT DRIVEWAY -i
APRON WITH 6" OF 3,000
PSI CONCRETE OR 2" SF9.5B
ASPHALT PAVEMENT WITH
8" OF ABC STONE
\73
S FG ELEV.
\ r
\ 1 = ±134.
N
S
o'
I
REMOVE TEMPORARY CONSTRUCTION
ENTRANCE STONE, REPLACE WITH Q• OPSOIL AND SEED
V
O0
5'R 4
J EG ELEV.
/ / = t 136.50'
/ 70,
FG ELEV. I
= t 134. 40' ` /29, 4
irk
EG EL
25'R
/ FG ELEV
t 36,
/ EG ELEV.
J = f 136.10'
NOTE: CON ACTOR SHALL 411-11D
VERIFY LOCATION OF EX.
UTILITIES AND CONTACT EX. ROAD /
ENGINEER IF THERE ARE
ANY CONFLICTS _
EG ELEV.
±136.40'
FG ELEV.
= ±1 6.20'
ELEV.
t 136.30'
J q-
' B4 INSET "B": 24' PERMANENT ACCESS DRIVEWAY #1
C I II SCALE: 1 " = 20'
TEMPORARY
CONSTRUCTION C 522PIPE END01 � Q•
ENTRANCE INV= t133.0'
v
FG ELEV. Q�
\ = f 135.70'
�3s\ 0
Alf
CIV
D3 \ / EX. ROAD �\
APRON C5201 FG ELEV.
f135.10' -
COMPOST D2
;K C5203
1 d - INSTALL PERMANENT 60 LF OF 15" RCP
AT f1.2% (PER NCDOT REQUIREMENTS
NO FLARED END SECTIONS)
PIPE END
INV= f132.3'
SHALL 4LD
VERIFY LOCATION OF EX.
UTIUTIES AND CONTACT STRAW BLANKET
ENGINEER IF THERE ARE D3 MATTING - N.A.G. S150
ANY CONFLICTS_ C5202 (HATCHED AREA)
INSET "A": 24' WIDE TEMPORARY
rC4� CONSTRUCTION ENTRANCE #1
C 1000 i SCALE: 1 " = 20'
NOTES:
1. 8' FT WOOVEN WIRE FENCE (DEER BUSTER OR EQUIVALENT) - TO BE
DESIGNED AND INSTALLED BY FENCING CONTRACTOR.
2. SOIL ACCESS AISLES SHALL BE ROLLED WITH A STEEL DRUM ROLLER
AND MAINTAINED THROUGHOUT CONSTRUCTION AS NEEDED TO MINIMIZE
POTENTIAL STANDING WATER. LOGGING MATS MAY BE PLACED IN HIGH
TRAFFIC AREAS OR POORLY DRAINED AREAS DURING CONSTRUCTION TO
IMPROVE ACCESS. UPON COMPLETION OF CONSTRUCTION, ACCESS
AISLES SHALL BE SEEDED.
3. THE ARRAY LAYOUT SHOWN WAS PROVIDED BY EXOPLEXUS, DATED:
MARCH 10, 2020
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300 0 150 300 600
D
( GRAPHIC SCALE IN FEET )
1 inch = 300 ft.
BALLEN S REPRESENTATIVE: BALLENTINE
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO ECOPLEXUS REPRESENTATIVE: ASSOCIATES
0 P.A.
JIM HALLEY, P.E. 221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
PH. 919-241-8919
EMAIL MALLEY®ECOPLEMS.COM (919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C1000

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DRAWING LEGEND
SYMBOL/ABBREVIATION
W W W W W W W
EXISTING PROPOSED DESCRIPTION
,y y
SOLAR ARRAY B1 PROPOSED SOLAR ARRAY PV MODULES
SEE NOTE #3 ON GROUND MOUNTED RACKING
— — PROPERTY LINE
SYSTEM (RACK POST= 2.3 IN TYP.)
ADJOINER PROPERTY LINE
R/w RIGHT-OF-WAY LINE
PERMANENT FENCE LINE
/
TEMPORARY FENCE LINE
W /
OHE OVERHEAD ELECTRIC LINE
W /
UE UNDERGROUND ELECTRIC LINE
w'W W W _ <
pI CONCRETE EQUIPMENT
STORM DRAINAGE PIPE
100-YR W ` W `. C5204 PAD DETAIL (TYP.)
® FLARED END SECTION
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RIPRAP APRON
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TREE LINE
----
WETLANDS
TEMPORARY LAYDOWN YARD & W W W W W W W W W W W W W W W W W pU B�/CR/�y
CONSTRUCTION STAGING AREA
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REPRESENTATIVE: 0JIM
HALLEY, P.E. 221 PROVIDENCE ROAD, CHAPEL ILL, N.C. 27514
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ENLARGEMENT #1
NOTIFICATION OF COMBINED SELF -MONITORING SEE SHEET C1201
AND SELF -INSPECTION FORM:' p� 0
/THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO REQUIRE THAT PERSONS �� \ 110 Lr 5r121
RESPONSIBLE FOR LAND -DISTURBING ACTIVITIES INSPECT A PROJECT AFTER EACH PHASE OF THE
rD: 22�6�PG:� 1 _
PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS
BEING FOLLOWED. RULES DETAILING THE DOCUMENTATION OF THESE INSPECTIONS TOOK EFFECT
OCTOBER 1, 2010. / f
TO SIMPLIFY DOCUMENTATION OF SELF -INSPECTION REPORTS AND NPDES SELF -MONITORING �1
REPORTS, DWQ AND DEMLR DEVELOPED A COMBINED FORM. THE SELF -INSPECTION PROGRAM IS
SEPARATE FROM THE WEEKLY SELF -MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT \ L
FOR CONSTRUCTION ACTIVITIES. THE FOCUS OF THE SELF -INSPECTION REPORT IS THE .`.1 5
INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL MEASURES .
ACCORDING TO THE APPROVED PLAN. THE INSPECTIONS SHOULD BE CONDUCTED AFTER EACH � � �..
PHASE OF THE PROJECT, AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED. THE
FORM CAN BE ACCESSED AT: \� 'A`•`• -` "`�� /�
D HTTP: //DEQ.NC.GOV/ABOUT/DIVISIONS/ENERGY-MINERAL-LAND- RESOURCES /EROSION-.`.`.`.`.`. '.
S ED I M EN T- CON TR O L/FORMS `�` ` ` ` ` • ` - ` • ` w ` ` ` ` ` ` ` ` ` ` ` `
IF YOU HAVE QUESTIONS OR CANNOT ACCESS THE FORM, PLEASE CONTACT THE RALEIGH ,` ` ` f` / J
REGIONAL OFFICE AT [phone].
NOTE REGARDING TEMPORARY AND PERMANENT
GROUND COVER
PROVIDE TEMPORARY GROUNDCOVER IN ACCORDANCE WITH NPDES CONSTRUCTION
STORMWATER GENERAL PERMIT NCGO10000 PER TABLE ABOVE AND PROVIDE
PERMANENT GROUNDCOVER FOR ALL DISTURBED AREAS WITHIN 15 WORKING DAYS OR
90 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF
CONSTRUCTION OR DEVELOPMENT.
4
SEED APPLICATION
1. EXISTING GROUND COVER (> 85%) - APPLY SEED VIA SEED DRILL OR SLIT SEEDER INTO
EXISTING GROUND COVER AT PRESCRIBED APPLICATION RATES.
2. CLEARED AND GRUBBED SITE - APPLY SEED VIA SEED DRILL, SLIT SEEDER, OR BROADCAST
SEEDER. COVER SEEDED AREAS WITH STRAW AND CRIMP IN.
SEEDBED PREPARATION
1. CULTIVATE THE ENTIRE AREA TO A MINIMUM OF 2 INCHES DEEP,FOR LOOSE SOILS AND 6 INCHES
DEEP FOR COMPACTED SOILS (CULTIVATION APPLIES TO OPEN FIELDS WITH < 85% GROUND COVER
AND ALL CLEARED AND GRUBBED SITES).
2. REMOVE ALL LOOSE ROCKS, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE RESONABLY
SMOOTH AND UNIFORM.
3. SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF APPLICABLE.
4. APPLY LIMESTONE AND FERTILIZER UNIFORMLY, ACCORDING TO SOIL TEST RECOMMENDATIONS, AND
MIX WITH SOIL (TOPDRESS LIME AND FERTILIZER, IF DRILLING SEED).
5. SEED ON FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING EQUIPMENT OR
CULTIPACK AFTER SEEDING.
6. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH VIA CRIMPING OR TACKIFIER IF CRIMPING
IS NOT FEASIBLE. (MULCHING APPLIES TO OPEN FIELDS WITH < 85% GROUND COVER AND ALL
CLEARED AND GRUBBED SITES).
7. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE PLANTING
SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 60% DAMAGED, REESTABLISH FOLLOWING
ORIGINAL LIME, FERTILIZER AND SEEDING RATES.
IF SITE SPECIFIC APPLICATION
RATES ARE NOT PROVIDED, USE THE FOLLOWING:
AGRICULTURAL LIMESTONE - 2,000 LBS/ACRE
FERTILIZER: 10-20-20,
APPLIED AT A RATE OF 500 LBS/ACRE
SEEDING SPECIFICATIONS
OUTSIDE OF ARRAY
SPECIES
RATE (%)
SEEDING MIXTURES:
SPLITBEARD BLUESTEM
10
PARTRIDGE PEA, PA ECOTYPE
10
PURPLE CONEFLOWER
10
WITHIN THE ARRAY
LITTLE BLUESTEM, PIEDEMONT NC ECOTYPE
10
RATE (�)
INDIANGRASS, NCECOTYPE
10
SPECIES
CRIMSON CLOVER
10
COMMON MILKWEED, PA ECOTYPE
05
HULLED SAHARA II BERMUDA 35
BUTTERFLY MILKWEED
05
KY 31 FESCUE 30
COMMON YARROW
05
BROWN TOP MILLET 10
BROOMSEDGE, MO ECOTYPE
05
WHITE CLOVER 10
LARGEFLOWER TICKSEED, PIEDEMONT GA ECOTYPE
05
CRIMSON CLOVER 10
BLACKEYED SUSAN, COASTAL PLAIN NC ECOTYPE
05
MEDIUM RED CLOVER 05
BIGTOP LOVEGRASS, VA ECOTYPE
05
SENSITIVE PEA, NC ECOTYPE
01
SPIKED WILD INDIGO, NC ECOTYPE
01
SPOTTED BEEBALM, COASTAL PLAIN SC ECOTYPE
01
BIGLEAF LUPINE
01
GREATER TICKSEED
01
SEEDING NOTES:
1. DURING FALL/WINTER SEASON USE 40% KY 31 FESCUE AND 5% CRIMSON CLOVER WITHIN ARRAY.
2. APPLY SEED MIX AT RATE OF 30-50 SEEDS/ SF.
3. SEED MIXES SHALL BE APPLIED WITH SOIL AMENDMENTS AS DICTATED BY NCAGR SOIL TEST RESULTS FOR THE
SITE BOTH WITHIN AND OUTSIDE OF THE ARRAY.
MULCH:
APPLY 4,000 ACRE GRAIN STRAW ORLB./ EQUIVALENT COVER OF ANOTHER SUITABLE MULCH. ANCHOR STRAW BY
TACKING WITH ASPHALT, NETTING, OR ROVING OR BY CRIMPING WITH A MULCH ANCHORING TOOL. A DISK WITH
BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE:
IF GROWTH IS LESS THAN FULLY ADEQUATE, REFERTILIZE IN THE SECOND YEAR, ACCORDING TO THE SOIL TESTS
OR TOP DRESS WITH 500 LB./ACRE 10-10-10 FERTILIZER. RESEED, FERTILIZE, AND MULCH DAMAGED AREAS
IMMEDIATELY.
DRAWING LEGEND
SYMBOL/ABBREVIATION
EXISTING PROPOSED
DESCRIPTION
-130_ _ _-130- -
MAJOR CONTOUR
--132- -
MINOR CONTOUR
- -
PROPERTY LINE
ADJOINER PROPERTY LINE
R/W
RIGHT-OF-WAY LINE
PERMANENT FENCE LINE
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OVERHEAD ELECTRIC LINE
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EROSION CONTROL NOTES
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH STATE AND LOCAL REQUIREMENTS.
2. TOTAL DISTURBED AREA = 158.1 AC.
3. MAINTENANCE: SUFFICIENT EROSION CONTROL PRACTICES MUST BE INSTALLED AND
MAINTAINED TO RETAIN SEDIMENT WITHIN THE BOUNDARIES OF THE SITE. ALL EROSION
AND SEDIMENT CONTROL PRACTICES TO BE INSPECTED WEEKLY AND AFTER EVERY RUNOFF
PRODUCING RAINFALL EVENT. NECESSARY REPAIRS WILL BE MADE IMMEDIATELY.
CONSTRUCTION SEQUENCE
1. OBTAIN NCDEQ PERMIT/APPROVAL TO PROCEED.
2. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH NCDEQ DIVISION OF LAND QUALITY
FAYETTEVILLE REGIONAL OFFICE [phone]. FAILURE TO PERFORM THIS STEP
BEFORE PERFORMING LAND DISTURBING ACTIVITIES MAY RESULT IN A NOTICE OF VIOLATION
OR FINES.
3. LOCATE ALL EXISTING UTILITIES WITHIN PROJECT AREA (PUBLIC AND PRIVATE).
4. INSTALL TEMPORARY CONSTRUCTION ENTRANCE AND CROSSING CULVERT.
5. CLEAR ONLY THE AREAS NECESSARY TO INSTALL PERIMETER EROSION CONTROL
MEASURES. GRUB ONLY AS NECESSARY TO INSTALL SILT FENCING AND SILT FENCE
OUTLETS.
6. INSTALL SILT FENCING AND SILT FENCE OUTLETS OR COMPOST SOCK BREAKS AS SHOWN.
ADJUST SILT FENCE OUTLET/COIR FIBER WATTLE BREAK LOCATIONS PER FIELD CONDITIONS.
7. CLEAR AND GRUB AREAS NECESSARY TO INSTALL REMAINING EROSION CONTROL
MEASURES. INSTALL SEDIMENT BASINS AND EXCAVATED STORAGES, DIVERSION DITCHES,
AND MATTING (WHERE APPLICABLE). SEED ALL AREAS DISTURBED BY THE INSTALLATION
OF THESE DEVICES IMMEDIATELY.
8. TEMPORARILY SEED CLEARED AND GRUBBED AREAS WITHIN 14 DAYS.
9. CALL NCDEQ DIVISION OF LAND QUALITY FAYETTEVILLE REGIONAL OFFICE FOR INSPECTION
[phone].
10. CLEAR AND GRUB IN REMAINING AREAS SHOWN ON SHEET C0101. MAINTAIN EROSION
CONTROL DEVICES THROUGHOUT CLEARING OPERATION.
11. ROLL ENTIRE SITE WITH STEEL DRUM VIBRATORY ROLLER TO FLATTEN FURROWS (AS
APPLICABLE) AND MINIMIZE STANDING WATER AFTER RAINFALL EVENTS.
12. INSTALL SECURITY FENCING AS SHOWN AND PREPARE LAYDOWN AND STAGING AREAS.
PREPARE TEMPORARY STAGING AND LAYDOWN AREAS BY ROLLING WITH STEEL DRUM
ROLLER (NO STONE IS TO BE USED).
13. SEED ALL DISTURBED AREAS OUTSIDE ARRAY ACCESS AISLES.
14. PROCEED WITH INSTALLATION OF ARRAY AND ASSOCIATED EQUIPMENT.
15. MAINTAIN EROSION CONTROL MEASURES THROUGHOUT CONSTRUCTION.
16. UPON COMPLETION OF CONSTRUCTION, REMOVE TEMPORARY FENCING AND LOGGING MATS.
17. SEED AND STABILIZE ALL REMAINING DISTURBED AREAS.
18. CALL NCDEQ FAYETTEVILLE REGIONAL OFFICE FOR INSPECTION.
19. REMOVE SILT FENCING AND SKIMMERS FROM ALL SEDIMENT BASINS ONLY AFTER A GOOD
STAND OF GRASS HAS BECOME ESTABLISHED AND ONLY WITH SPECIFIC APPROVAL OF
NCDEQ DIVISION OF LAND QUALITY. EXCAVATED STORAGES ARE TO REMAIN.
20. REMOVE TEMPORARY CONSTRUCTION ENTRANCE AND INSTALL PERMANENT ACCESS
DRIVEWAY. SEED ANY REMAINING DISTURBED AREAS.
GROUND STABILIZATION REQUIREMENTS
(PER NPDES CONSTRUCTION STORMWATER GENERAL PERMIT NCGO10000)
SITE AREA
STABILIZATION
STABILIZATION TIME
DESCRIPTION
TIME FRAME
FRAME EXCEPTIONS
• PERIMETER DIKES, SWALES,
7
NONE
DITCHES, AND SLOPES
• HIGH QUALITY WATER (HQW)
7
NONE
ZONES
• SLOPES STEEPER THAN 3:1
7
IF SLOPES ARE 10' OR LESS IN
LENGTH AND ARE NOT STEEPER
THAN 2:1, 14 DAYS ARE
ALLOWED
• SLOPES 3:1 OR FLATTER
14
7 DAYS FOR SLOPES GREATER
THAN 50 FEET IN LENGTH
• ALL OTHER AREAS WITH
14
NONE
SLOPES FLATTER THAN 4:1
(EXCEPT FOR PERIMETERS
AND HQW ZONES)
* "EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING AUTHORITY BASED ON
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SST N S REPRESENTATIVE:
ASHTON SMITH, P.E.
BALLENTINE
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO
REPRESENTATIVE:
AS
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D)Q\ oECOPLEXUS
JIM HALLEY, P.E.
PH. 919-241-8919
221 PROVIDENCE ROAD,
CHAPEL HILL,
N.C. 27514
EMAIL JHALLEY®ECOPLEXUS.COM
(919) 929 - 0481
(919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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C1200

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2
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206 SEDIMENT BASIN #6 \
TEMPORARY DIVERSION
C5202 DITCH #6.1
- �13
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L�
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n SILT FENCEnSTONE n OUTLET OR COMPOST C5D4
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11
5
DRAWING LEGEND
SYMBOL/ABBREVIATION
EXISTING PROPOSED
DESCRIPTION
—130_ _-130-
-
MAJOR CONTOUR
-132- -
MINOR CONTOUR
— —
PROPERTY LINE
ADJOINER PROPERTY LINE
R/W
RIGHT-OF-WAY LINE
PERMANENT FENCE LINE
TEMPORARY FENCE LINE
Oar
OHE
OVERHEAD ELECTRIC LINE
UE
UNDERGROUND ELECTRIC LINE
— — — — — =
STORM DRAINAGE PIPE
®
FLARED END SECTION
RIPRAP APRON
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r
LIMITS OF DISTURBANCE
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w
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100 0 50 100 200
( GRAPHIC SCALE IN FEET )
1 inch = 100 ft.
BALLENTINE REPRESENTATIVE:
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO
ECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E.
PH. 919-241-8919
EMAIL JHALLEY®ECOPLEXUS.COM
BALLENTINE
ASS0l(-"3ATES
P.A.
221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
(919) 929 — 0481 (919) 489 — 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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C1201

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41 41 4 41 41 111, ill ill
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41 41 1,
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1
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/ LL LJ Li
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o j
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4
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V
SYMBOL ABBREVIATION
\\
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\
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\,
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ITCH #6.2 zo2 D �/ q �
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BALLENTINE REPRESENTATIVE:
ASHTON SMITH, P.E.
/ PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO
ECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E.
\n� PH. 919-241-8919
I r EMAIL MALLEY®ECOPLEMS.COM
100 0 50 100 200
GRAPHIC SCALE IN FEET )
1 inch = 100 ft.
BALLENTINE
ASSOCIATES, P.A.
221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
(919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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C1202

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s SOCK BREAK (TYP.) C5201 C5201 �2' SHOULDER y y y y y y y y y y y y y y y y y y y y y l y y y
y y y y y y y y y y y y y y y y y y y y y y y y cy
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sty I 16' y y yl y y y y y y y y y y y y y y y y y y y y I y y y y
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EXCAVATED B3
1 STORAGE #2 C1207
Q 2' SHOULDER 1 /
1 y y y y y y y y y y y s� y �
INSTALL (2) PERMANENT 48 LF OF 24" CLASS III
FES #2 RCP ® t1.5% (INCLUDING FLARED END SECTIONS) y y> y y y y y TEMPORARY DIVERSION D4 y y y y y y? y y y
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.�
pp FG ELEV.= .n CONTRACTOR PROVIDE MIN 1' COVER. y /y y y y y y y/ y y y y y
137.5' w w w w< w y y / y y y y \ O y y y y
w w w w V_w1 �_, _ w y wJ w w
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� �
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\\
FES #4 \ FES #1 INV. = 134.3'
^�6 C5COFFER DAM D4TEMPORARY
y y w / A4 TEMPORARY
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S� CROSSING #1 C1203 /
�� / y �✓ y y I w y y y y � / Q r `i \ G y
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(INCLUDING FLARED END SECTIONS) WITH INVERTS y y iy y A y � �
PLACED 6" BELOW DIVERSION DITCH BOTTOM. y y v, v, .v �Q y y
CONTRACTOR TO PROVIDE 1' MIN. COVER OVER PIPE. y y y y I / �7 y lk
FES #3
y y
\ YIN .p
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y y y C5202 DITCH #10.2 J y y
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SCALE: 1" = 20'
1
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I
5
DRAWING LEGEND
SYMBOL/ABBREVIATION
EXISTING PROPOSED
DESCRIPTION
—130_ _ - —130 -
MAJOR CONTOUR
--132- -
MINOR CONTOUR
— —
PROPERTY LINE
ADJOINER PROPERTY LINE
R/1N
RIGHT-OF-WAY LINE
PERMANENT FENCE LINE
TEMPORARY FENCE LINE
OHE
OVERHEAD ELECTRIC LINE
UE
UNDERGROUND ELECTRIC LINE
_ _ _ _ _ -
STORM DRAINAGE PIPE
m
FLARED END SECTION
Cl
RIPRAP APRON
TREE LINE
LIMITS OF DISTURBANCE
SILT FENCE OUTLET
SF
SILT FENCE
DID
TEMPORARY DIVERSION DITCH
1 WETLANDS
L—__--a
qCY)
o400
uq
100 0 50 100 200
( GRAPHIC SCALE IN FEET )
1 inch = 100 ft.
BALLENTINE REPRESENTATIVE:
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO
ECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E.
PH. 919-241-8919
EMAIL JHALLEY®ECOPLEXUS.COM
BALLENTINE
ASS011"3ATES
P.A.
221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
(919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
Z�
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C1203

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Li
I
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11
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SILT FENCE (TYP.)
C
/
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DRAWING LEGEND
SYMBOL/ABBREVIATION
EXISTING PROPOSED
DESCRIPTION
—130_ _ �-130- -
MAJOR CONTOUR
--132- -
MINOR CONTOUR
— —
PROPERTY LINE
ADJOINER PROPERTY LINE
R/W
RIGHT-OF-WAY LINE
PERMANENT FENCE LINE
TEMPORARY FENCE LINE
OHE
OVERHEAD ELECTRIC LINE
UE
UNDERGROUND ELECTRIC LINE
_ — — — — -
STORM DRAINAGE PIPE
®
FLARED END SECTION
Cl
RIPRAP APRON
TREE LINE
LIMITS OF DISTURBANCE
SILT FENCE OUTLET
SF
SILT FENCE
DD
TEMPORARY DIVERSION DITCH
• WETLANDS
qco
c4co
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100 0 50 100 200
( GRAPHIC SCALE IN FEET )
1 inch = 100 ft.
BALLENTINE REPRESENTATIVE:
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO
ECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E.
PH. 919-241-8919
EMAIL MALLEY®ECOPLEXUS.COM
BALLENTINE
ASSOCIATES, P.A.
221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
(919) 929 - 0481 (919) 489 - 4789
5
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
z#
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DRAWING No:
C1204

1
2
3
4
5
Bl Bl
TEMPORARY SEDIMENT BASIN #1 C5203 4'x4'x1' MIN. (CLASS B) C5203 TEMPORARY SEDIMENT BASIN #4
RIP RAP PAD
SITE AREA DRAINING TO SKIMMER BASIN = 2.04 AC C5204 HDPE REDUCER I TEMPORARY 4.0" SITE AREA DRAINING TO SKIMMER BASIN = 10.91 AC
TOTAL DISTURBED AREA TO SKIMMER BASIN = 2.04 AC D1 SKIMMER W/ 2.2" I i TOTAL DISTURBED AREA TO SKIMMER BASIN = 9.92 AC
C5201
I (10YR) W/ 5min Tc = 7.93 IN/HR ORIFICE I (10YR) W/ 10min Tc = 6.34 IN/HR
Q10 = CIA = 0.45 X 7.93 X 2.04 = 7.28CFS o Q10 = CIA = 0.43 X 6.34 X 10.91 = 29.56CFS
B4 COIR FIBER
\
REQUIRED SURFACE AREA OF BASIN: C5203 BAFFLES (TYP.) REQUIRED SURFACE AREA OF BASIN:
Q10 X 325 SF/CFS = 2,366 SF DRAINAGE D3 \ Q10 X 325 SF/CFS = 9,606 SF
PROVIDED SURFACE AREA OF BASIN = 2,542 SF - LINE SEDIMENT BASIN SLOPES DIAPHRAGM C5205 PROVIDED SURFACE AREA OF BASIN = 10,212 SF
\
D3 WITH STRAW BLANKET �o
S�
REQUIRED STORAGE VOLUME: �� C5202 MATTING (NORTH AMERICAN u- REQUIRED STORAGE VOLUME:
45' OF 12" HDPE PIPE o
=1,800 CF/DISTURBED ACRE = 3,672 CF GREEN S150). =1,800 CF/DISTURBED ACRE = 17,856 CF
INV= 127.5'
/Z
A
0-
PROVIDED STORAGE VOLUME: 3,896 CF -136 SF SF S o\ X X X PROVIDED STORAGE VOLUME: 17,988 CF
A
TOP OF DAM ELEV. = 132.5' \ 134 I -135 TOP OF DAM ELEV. = 131.5'
X TOP OF DAM WIDTH = 5'
SPILLWAY ELEV. = 131.0' 132 SPILLWAY ELEV. = 130.0'
RIPRAP \
TOP OF DAM WIDTH = 5' 133 FX1
EMERGENCY SPILLWAY WIDTH = 10' 131 APRON D3 x EMERGENCY SPILLWAY WIDTH = 10'
BOTTOM OF SEDIMENT BASIN ELEV. = 129.0' 130 TEMPORARY 4.0" C5201
D1 ELEV=127.5' x \ BOTTOM OF SEDIMENT BASIN ELEV. = 128.0'
DEWATERING TIME: 3.2 DAYS \ _129 SKIMMER W 1"
- _ C5201 / - � DEWATERING TIME: 3.0 DAYS
ORIFICE
\- X 135- HDPE REDUCER C5204
4'x4'x1' MIN. B)
X (CLASS
00 I
X x
-� X \ RIP RAP PAD I x
X �
- x
00 � I
--,135- DD p�
DD DD DD X X POLYD LINER AT B2-ice p%
_ BASIN
12 SEDIMENT
SPILLWAY C5202
130 x
TEMPORARY DIVERSION D4 131
x
DITCH #1.2 C5202 \� /
132 OF DAM
00 TOP TEMPORARY DIVERSION EMERGENCY
i C5202 DITCH #1.1 SPILLWAY X
DIVERSION DITCH OUTLET EMERGENCY u? `n
D1 -132.5 132
AT SEDIMENT BASIN C5202 �732� SPILLWAY
(TYP.)
�131'
130 NSF NSF SILT FENCE STONE I x
00 31' OF 12" HDPE PIPE S� SF NSF OUTLET OR COIR FIBER B4 D4
COIR FIBER
C
INV= 129.0' /� WATTLE BREAK (TYP.) 5201 C5201 N N o o N � g4
\ C5203 BAFFLES (TYP.)
1
/ SF \ _ X X
O SILT FENCE TYP. D2 /� POLY LINER AT o x LINE SEDIMENT BASIN SLOPES
\
O (TYP.) C5201 SF D3 RIPRAP B2 SEDIMENT BASIN D3 WITH STRAW BLANKET
/ APRON - C5202 MATTING (NORTH AMERICAN
C5201 SPILLWAY C5202
5F ELEV=129.0' i GREEN S150).
D3 DRAINAGE � /
SILT FENCE STONE C5205 DIAPHRAGM
OREAOKI F113ER64 D4 X X x /
C5201 C5201
WATTLEOUTLET
TYP )R
(TYP.)
/
B
-135�
TEMPORARY SEDIMENT BASIN #1 128 I /
C 16 05 SCALE: 1 " = 20' D2 � i 30
SILT FENCE (TYP.) C5201 \ \ - 131
TOP OF DAM 132
- - -133
134 I
/ \
\ ( B4 COIR FIBER B1 / D1 DIVERSION DITCH OUTLET AT,
/
C5203 BAFFLES (TYP.) C5203 TEMPORARY SEDIMENT BASIN #2
o C5202 SEDIMENT BASIN (TYP.) \
J \
SITE AREA DRAINING TO SKIMMER BASIN = 5.16 AC / \
TEMPORARY DIVERSION o TOTAL DISTURBED AREA TO SKIMMER BASIN = 5.16 AC /
p4 ^5�
DITCH � D4 TEMPORARY DIVERSION
\
#2.2 C5202 \ \ I (10YR) W/ 5min Tc = 7.93 IN/HR
Q10 = CIA = 0.45 X 7.93 X 5.16 = 18.41 CFS / C5202 DITCH #4.1
\
✓ \
I
\0o O REQUIRED SURFACE AREA OF BASIN: �� o
Q10 X 325 SF/CFS = 5,984 SF
PROVIDED SURFACE AREA OF BASIN = 5,992 SF
a
TEMPORARY SEDIMENT BASIN #4
REQUIRED STORAGE VOLUME: ,
\ 1 = 20
=1,800 CF/DISTURBED ACRE = 9,288 CF J2O5SCALE:
PROVIDED STORAGE VOLUME: 10,184 CF
\
HDPE REDUCER \��
504 \
C
\ f TOP OF DAM ELEV. = 131.5'
\ TOP OF DAM WIDTH = 5' IQ Bl
SPILLWAY ELEV. = 129.0' /
TEMPORARY SEDIMENT BASIN #3
1 DIVERSION D4 /
EMERGENCY SPILLWAY WIDTH 10' C5203
RIPRAPNc� X =
TEMPORARY D3 BOTTOM OF SEDIMENT BASIN ELEV. 127.0'
DITCH #3.2 C5202 SITE AREA DRAINING TO SKIMMER BASIN = 2.02 AC
APRON =
C5201 �
C
=
TOTAL DISTURBED AREA TO SKIMMER BASIN 2.02 AC �
ELEV=126.0' \\ .. � � DEWATERING TIME: 3.2 DAYS 00
C
\ I (10YR) W/ 5min Tc = 7.93 IN/HR
�'' \ \ ���Q10 = CIA = 0.45 X 7.93 X 2.02 = 7.21 CFS
o
LINE SEDIMENT BASIN SLOPES
\ f D3 WITH STRAW BLANKET 1 N \ REQUIRED SURFACE AREA OF BASIN:
34' OF 12" HDPE PIPE
MATTING AMERICAN / O Q10 X 325 SF/CFS = 2,343 SF
INV= 126.0' / C5202 (NORTH D2
GREEN S150). SILT FENCE (TYP.) C5201 // PROVIDED SURFACE AREA OF BASIN = 2,467 SF
"
DRAINAGE D3 V REQUIRED STORAGE VOLUME:
/ / \
DIAPHRA M C5205 v� u- ' =1,800 CF DISTURBED ACRE = 3,636 CF
SILT FENCE STONE N
y r X OUTLET OR COIR FIBER B4 D4 o PROVIDED STORAGE VOLUME: 3,758 CF
C5201 C5201
POLY LINER AT WATTLE BREAK (TYP.) -o
B2
SEDIMENT BASIN C5202 \ o I 0 \ TOP OF DAM ELEV. = 130.5'
SPILLWAY I
\ / TEMPORARY 4.0" � o k TOP OF DAM WIDTH = 5'
I
D1 SKIMMER W/ 1.6"I \ � N G, SPILLWAY ELEV. = 129.0'
C5201 ORIFICE X CO c° o EMERGENCY SPILLWAY WIDTH = 10'
EMERGENCY \� \� N �'-� y� \ \ POLY LINER AT B2 BOTTOM OF SEDIMENT BASIN ELEV. = 127.0'
SPILLWAY T "' c9 1 SEDIMENT BASIN i,; - X DEWATERING TIME: 3.1 DAYS
� � 4'x4'x1' MIN. (CLASS B) SPILLWAY 5202 %�
�- 0
LINE SEDIMENT BASIN SLOPES
> \ , ` RIP RAP PAD I _
LA WITH AW BLANKET
X\ D3
C5202 MATTINGR(NORTH AMERICAN
DIVERSION DITCH EMERGENCY GREEN S150
D1 )�
OUTLET AT
C5202 BASIN (TYP.) SEDIMENT � SPILLWAY I � X I
I
4'x4'x1' MIN. (CLASS B)
\ 00 \ N
\ '38' OF 12" HDPE PIPE T RIP RAP PAD COg
\ D4 TEMPORARY DIVERSION INV= 126.5' XTEMPORARY
\ C5202 DITCH #2.1 I D1
SKIMMER W 0"
\ RIPRAP C5201 / q
\ D3 SF I N ORIFICE
\ APRON �, i N
\ \ ELEV=126.5' C5201 oI to �
\ B1
V A 00 I w �� C5204 HDPE REDUCER
SILT FENCE STONE w o�
OUTLET OR COIR FIBER B4 D4 `� V A �� DRAINAGE D3
WATTLE BREAK (TYP.) C5201 C5201 � \ � Op DIAPHRAGM C5205 B4 COIR FIBER 20 0 20 20 a0
D
C5203 BAFFLES (TYP.)
D2
SILT FENCE (TYP.) C5201 `ram` \ \ \ \ \ \ \00 D4 TEMPORARY DIVERSION ( GRAPHIC SCALE IN FEET )
\ DITCH
DIVERSION DITCH OUTLET D1 \ C5202 #3.1 1 inch = 20 ft.
\
AT SEDIMENT BASIN (TYP.) C5202 \ 00
0
BALLENTINE REPRESENTATIVE:
TEMPORARY SEDIMENT BASIN #2 TEMPORARY SEDIMENT BASIN #3 APHHTO�N1 SMITH,
BALLENTINE
D1 D3
0481
C 1205 SCALE: 1 " = 20' C 1205 SCALE: 1 " = 20' EMAIL ASHTONS®BAPA.ENG.PRO
A S S 0 3 AT E Sp P. A
ECOPLEXUS REPRESENTATIVE: °
JIM HALLEY, P.E. 221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
PH. 919-241-8919
EMAIL JHALLEY®ECOPLEXUS.COM (919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C1205

1
2
3
4
5
\••. / /
a
\
4'x4'x1' MIN. CLASS B
C5TEMPORARY SEDIMENT BASIN #5
03
•
LJ
RIP( RAP PAD
SITE AREA DRAINING TO SKIMMER BASIN = 4.32 AC
I \��. /
•. /
D4 TEMPORARY DIVERSION
TEMPORARY 4.0
TOTAL DISTURBED AREA TO SKIMMER BASIN = 4.32 AC
I W/ 5min Tc 7.93 IN/HR
\ .�
o C5202 DITCH #8.2 \
D1
SKIMMER W/ 1.7"
(10YR) =
C5201
ORIFICE
Q10 = CIA = 0.45 X 7.93 X 4.32 = 15.42 CFS
/
/
D1 DIVERSION DITCH OUTLET I
C5202 AT SEDIMENT BASIN
REQUIRED SURFACE AREA OF BASIN:
DIVERSION DITCH OUTLET AT D1
Q10 X 325 SF/CFS = 5,010 SF
TEMPORARY STOCKPILE C5 4 /
/
SEDIMENT BASIN (TYP.) C5202
PROVIDED SURFACE AREA OF BASIN = 5,225 SF
p B1
A
REQUIRED STORAGE VOLUME:
/
/
TEMPORARY SEDIMENT BASIN #8
C5203
A
TEMPORARY DIVERSION D4
13
7312
=1,800 CF/DISTURBED ACRE = 7,776 CF
SITE AREA DRAINING TO SKIMMER BASIN =
4.04 AC
DITCH #5.2 C5202
130
PROVIDED STORAGE VOLUME: 12,680 CF
/
/
TOTAL DISTURBED AREA TO SKIMMER BASIN =
4.04 AC
00
129
O
I (10YR) W/ 5min Tc = 7.93 IN/HR
Op
12j8
TOP OF DAM ELEV. = 130.5'
-__
Q10 =CIA = 0.45 X 7.93 X 4.04 =
14.42 CFS
DD -
TOP OF DAM WIDTH = 5'
12q
-'
REQUIRED SURFACE AREA OF BASIN:
DD
\
SPILLWAY ELEV. = 129.0'
/ �23
Q10 X 325 SF/CFS =
4,685 SF
\
EMERGENCY SPILLWAY WIDTH = 10'
PROVIDED SURFACE AREA OF BASIN =
4,892 SF
HDPE 61
BOTTOM OF SEDIMENT BASIN ELEV. = 127.0'
95' OF 12" HDPE PIPE
\ REDUCER C5204 t -
^ \
DEWATERING TIME: 3.5 DAYS
INV= 120.0' /
REQUIRED STORAGE VOLUME:
13
I
=1,800 CF/DISTURBED ACRE =
7,272 CF
PROVIDED STORAGE VOLUME:
8,116 CF
\
/\
X ►
COIR FIBER \
SF SF SF SF \ \ k
f
TOP OF DAM ELEV. =
TOP OF DAM WIDTH =
SPILLWAY ELEV. -
EMERGENCY SPILLWAY WIDTH =
124.5'
5'
123.0'
10'
S'c
/ \
BOTTOM OF SEDIMENT BASIN ELEV. =
121.0'
DRAINAGE D3 OP
�
DIAPHRAGM C5205 14.1
\
BAFFLES (TYP.)
\
O
SF SF
I DEWATERING TIME:
3.3 DAYS
�
-I'
SF
SF SF SF
\
SF
'?z>
LINE SEDIMENT BASIN SLOPES
D3 WITH STRAW BLANKET
D1 TEMPORARY 4.0"
SKIMMER W/ 1.4"
31' OF 12" HDPE PIPE
�,
'�
C5202 MATTING (NORTH AMERICAN
f
f
C5201 ORIFICE
V= 126.0'
F
\
�1 \ 72j ��
2g
GREEN S150).
✓
RIPRAP /
D3 EMERGENCY �-�
f
4'x4'x1' MIN. (CLASS B)
SF
j / �O _
D4 TEMPORARY DIVERSION
APRON ,�
C5201 SPILLWAY i�'' /.
ELEV=120.0'
RIP RAP PAD
��• 1`30s
Op C5202 DITCH #5.11
s
SILT FENCE STONE
OUTLET OR COIR FIBER C B4 D C501
WATTLE BREAK
1�
� 12 O 130
72j O,�
(TYP.)
O41
/
B
RIPRAP D3
APRON
SF _ \ \ \
\ \
\
\
r'r,Nu' N
X LINE SEDIMENT BASIN
D3 WITH STRAW BLANKET
SLOPES
B
ELEV=126.0' C5201
SF \
\ �O
Ls\
X
C5202 MATTING (NORTH AMERICAN
\
\ \
o\
a
GREEN S150).
EMERGENCY
SPILLWAY
0�
\
POLY LINER AT B2
SEDIMENT BASIN C5202
\ \
p
SPILLWAY
I
\ \
/ / POLY LINER AT
B4 COIR FIBER
S
'�
�\
00
\
B2
SEDIMENT BASIN
SPILLWAY C5202 \
\
C5203 BAFFLES (TYP.)
SILT FENCE (TYP.) D2
\ \
\
\
D2 SILT FENCE (TYP.)
C5201
\ \ \ \
\ \
c1 TEMPORARY
C 1206 SCALE:
SEDIMENT BASIN #5
1 " = 20'
\
\ \ \ \
\
z
\
LINE SEDIMENT BASIN SLOPES
_
C3 TEMPORARY SEDIMENT BASIN #8
D3 WITH STRAW BLANKET
B1 TEMPORARY SEDIMENT BASIN #6
C5203
C 1206 "
�-
C5202 MATTING (NORTH AMERICAN
SCALE: 1 = 20'
GREEN S150). -130-
SITE AREA DRAINING TO SKIMMER BASIN =
6.16 AC
TOTAL DISTURBED AREA TO SKIMMER BASIN =
6.16 AC
B4 COIR FIBER
I (10YR) W/ 5min Tc = 7.93 IN/HR
C5203 BAFFLES (TYP.)
--�Q10 = CIA = 0.45 X 7.93 X 6.16 =
21.98 CFS
\
\
C 5 03 TEMPORARY SEDIMENT BASIN #7
REQUIRED SURFACE AREA OF BASIN:
TEMPORARY DIVERSION D4 /
C
TEMPORARY 4.0"
Q10 X 325 SF/CFS =
7,144 SF
DITCH #7.2 C5202
SITE AREA DRAINING TO SKIMMER BASIN = 2.49 AC
C
D1
C5201 SKIMMER W/ 1.8"
ORIFICE
PROVIDED SURFACE AREA OF BASIN =
7,402 SF
TOTAL DISTURBED AREA TO SKIMMER BASIN = 2.49 AC
I (10YR) W/ 5min Tc = 7.93 IN/HR
D4 TEMPORARY DIVERSION
REQUIRED STORAGE VOLUME:
/ / 0 1
Q10 = CIA = 0.45 X 7.93 X 2.49 = 8.89 CFS
C5202 DITCH #6.2
4'x4'x1' MIN. (CLASS B)
RIP RAP PAD
=1,800 CF/DISTURBED ACRE =
11,088 CF
�P�
PROVIDED STORAGE VOLUME:
12,680 CF
REQUIRED SURFACE AREA OF BASIN:
128 TOP OF DAM ELEV. =
128.5'
/ pF
Q/ \
Q10 X 325 SF/CFS = 2.888 SF
PROVIDED SURFACE AREA OF BASIN = 3,142 SF
127 TOP OF DAM WIDTH =
5'
TEMPORARY 4.0"
REQUIRED STORAGE VOLUME:
126 SPILLWAY ELEV. =
127.0'
/ D1
/
125 EMERGENCY SPILLWAY WIDTH =
10'
I
POLY LINER AT 62 C5201 SKIMMER W/ 1.1"
I ORIFICE
= 1/,800 CF DISTURBED ACRE = 4,482 CF
BOTTOM OF SEDIMENT BASIN ELEV. =
125.0'
SEDIMENT BASIN C5202 \ X
\
PROVIDED STORAGE VOLUME: 4,904 CF
DEWATERING TIME:
3.1 DAYS
SPILLWAY \ 4'x4'x1' MIN. (CLASS B)
\ � RIP RAP
PAD
TOP OF DAM ELEV. = 124.5'
OP OF DAM WIDTH = 5'
X
�X X X X
TEMPORARY DIVERSION D4
DITC C5202
D2
SILT FENCE (TYP.) C5201 'L
SPILLWAY ELEV. = 123.0'
EMERGENCY SPILLWAY WIDTH = 10'
x X
DD DD
X X x
�6.1
9' :
BOTTOM OF SEDIMENT BASIN ELEV. = 121.0'
DEWATERING TIME: 3.2 DAYS
F777
r
x
X X
x
DD DD DD
Op
D3
LINE SEDIMENT BASIN SLOPES
WITH STRAW BLANKET
x
x
DIVERSION DITCH
D1
.o -f
EMERGENCY \ \
C5202
MATTING (NORTH AMERICAN
GREEN S150).
gCrJ
125
OUTLET AT
C5202
0� y
L SPILLWAY-127
\
�00
126
SEDIMENT BASIN
128
y
D1 DIVERSION DITCH
128.5
SF
C5202 OUTLET AT SEDIMENT
TOP OF DAM
-
TOP OF DAM
t_-1 28.5-
��
/ s i ��
� r'��r'
BASIN (TYP.)
128
127
SF �
SF S
/
/
126
SF
v�
SF
\
20 0 20 20
ao
49' OF 12" HDPE PIPE L�
INV= 124.5' N � SF -
�
D
�
/
RIPRAP
SF -SF
- 25
C D SILT FENCE (TYP.)
SF
S 95' OF 12" HDPE PIPE \
INV= 120.0' TEMPORARY
c�F
DIVERSION D4 00
DITCH #7.1 C5202
( GRAPHIC SCALE IN FEET )
1 inch = 20 ft.
APRON C5201
ELEV=124.5' LL_
EMERGENCY
SPILLWAY
SF
\
D3 RIPRAP COIR FIBER B4
APRON
- Op
to POLY LINER AT
62 B4 D4
SILT FENCE STONE SF
UTLET OR CR FIBE
l C5201 ELEV=120.0' BAFFLES (TYP.) C5203
\
SEDIMENT
SPILLWAY C5202 \ / C5201 C5201 ASIN
SF \V
WATTLE BREAOKI (TYP )R �
\
-
BALLENTINE REPRESENTATIVE:
AHTON SMITH, P.E.
BALLENTINE
PH. 919-929-0481
TEMPORARY SEDIMENT BASIN #6
D1(�D3A
TEMPORARY SEDIMENT BASIN #7
EMAIL ASHTONS®BAPA.ENG.PRO
ECOPLEXUS REPRESENTATIVE:
,
S AT SpC
D) A o
1206 SCALE:
1 " = 20'
C 1206 SCALE: 1" = 20'
JIM HALLEY, P
P.E.
221 PROVIDENCE ROAD, CHAPEL HILL,
N.C. 27514
PH. 919-, 19
EMAIL JHALLEY®ECOPLEXUS.COM
(919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C1206

1
2
3
4
5
fin
I
/ <
\
EMERGENCY
POLY LINER AT B2 SPILLWAY \
SEDIMENT BASIN \
/ C5202
W SPILLWAY
dq
SILT FENCE STONE. \
B4
A
I
I
OUTLET OR COIR FIBER C
C5D4 j
WATTLE BREAK (TYP.)
TEMPORARY RISER SEDIMENT BASIN #9 C5203
/
v `� G
SITE AREA DRAINING TO RISER BASIN =
TOTAL DISTURBED AREA TO RISER BASIN =
59.42 AC
34.06 AC
I
�� /
D2-
SILT FENCEi (TYP.) C5201 SF 1 �O
\�I (10YR) W/ 60min Tc = 2.52 IN/HR
Q10 = CIA = 0.34 X 2.52 X 59.42 =
51.41 CFS
/ TEMPORARY DIVERSION
D4
DITCH #11.2 C5202
REQUIRED SURFACE AREA OF BASIN:
/ / / ��� 1
Q10 X 435 SF/CFS =
PROVIDED SURFACE AREA OF BASIN =
REQUIRED STORAGE VOLUME:
=1,800 CF/DISTURBED ACRE =
PROVIDED STORAGE VOLUME:
22,362 SF
30,581 SF
61,312 CF
63,004 CF /
/
C
/
B4 COIR FIBER
� � / f + +Z 4 C5203 BAFFLES (TYP.)
� LINE SEDIMENT BASIN SLOPES
\k
\TOP OF DAM ELEV. =
128.5'
�/ �/
r
/
+
/ J + + D3 WITH STRAW BLANKET
C5202 MATTING (NORTH AMERICAN
TOP OF DAM WIDTH =
TOP OF RISER ELEV. =
8'
126.5'
r O
/ / I GREEN S150).
+
{ EXCAVATED STORAGE #2
EMERGENCY SPILLWAY ELEV. =
EMERGENCY SPILLWAY WIDTH =
127.0'
20'
TEMPORARY DIVERSION D4
DITCH #9.2 C5202
O�
�
f
/ / SITE AREA DRAINING TO EXCAVATED STORAGE = 8.25 AC
BOTTOM OF SEDIMENT BASIN ELEV. =
124.25'
/ DISTURBED AREA TO EXCAVATED STORAGE = 8.25 AC
DEWATERING TIME:
3.5 DAYS
/ i
/ / I (10YR) W/ 5min Tc = 7.93 IN/HR
SILT FENCE STONE
B4
D4 � � �
/
� �
/ �
�
Q10 = CIA = 0.45 X 7.93 X 8.25 = 29.44 CFS
�-
/ /
OUTLET OR COI R FIBER
WATTLE BREAK (TYP.) C5201
C5201
/ /
/
00
f
REQUIRED SURFACE AREA OF STORAGE:
Q10 X 325 SF/CFS = 9,568 SF
co _
PROVIDED SURFACE AREA OF STORAGE = 9,613 SF
/
g
^^v NN \\
\
// REQUIRED STORAGE VOLUME:
RE 14,850 CF
PROVIDED FSTORAGE C VOLUME: 16,555 CF
4�10
\
O
14/
d
/
\k
N moo/
TLET TOP OF DAM ELEV. = 130.5'
AT DIVERSIONCH
SEDIMENT MENTTBASIN (TYP.) TOP OF DAM WIDTH = 5'
D4 TEMPORARY DIVERSION SPILLWAY ELEV. = 127.0'
l k
J
C5202 DITCH #11.1 EMERGENCY SPILLWAY WIDTH = 10'
o
/ / \
/ �j
N"�^,;�
BOTTOM OF SEDIMENT BASIN ELEV. = 125.0'
E
Q
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X �
B3 EXCAVATED STORAGE #2
SPILLWAY
/
SCALE: 1" = 20'
264'OF
OUT=
OUT
CMP PIPE
123.1.1'
�
IPOLY LINER AT B2
SEDIMENT BASIN
/
1
SILT FENCE (TYP.) D2 Op
C5201
C5202
SPILLWAY HDPE
REDUCER
B1
C5204
/ k
/
1
SILT FENCE STONEOUTLET
DRAINAGE D3
DIAPHRAGM C5205
/ /
/
'�
/
I
C
/
64 D4
WATTLEOBREAAK (TCOIRIYP.) C5201 C5201 / Q O� D4 TEMPORARY DIVERSION
C5202 DITCH #10.2
D3
APRON RIPRAPI
APRON
1
�O
C5201 ELEV=123.0'
/ /
k k
POLY LINER AT B2
SEDIMENT BASIN C5202 / +
SPILLWAY
0
k
/
64 COIR FIBER
\
C
�
D2
C5201
SILT FENCE (TYP.) 0_
�
�/ /
�r k
k
C5203 BAFFLES (TYP.)
4'x4'x1' MIN. (CLASS B)
+
EMERGENCY SPILLWAY >
LINE S SEDIMENT BASIN SLOPES
C
�f/
�/
TEMPORARY 60" CMP RISER D3
WITH 48" CMP BARREL C5203
0 /
RIP RAP PAD
TEMPORARY 4.0"
� /
/ } D3 WITH STRAW BLANKET
+ C5202 MATTING AMERICAN
D1
C5201 SKIMMER W/ 3.8" �
� GREEN S150)RTH
+ h
/
ORIFICE
2' 12" HDPE INVERT SET
/
COIR FIBER
C5203 BAFFLES (TYP.)
AT BOTTOM OF BASINCV
0
00*
I
LINE SEDIMENT BASIN SLOPES
/^N^Cv -1c
^ k EXCAVATED STORAGE #1
\
\
3 WITH STRAW BLANKET MATTING
\
p0
C5 (NORTH AMERICAN GREEN S150)
0 k SITE AREA DRAINING TO EXCAVATED STORAGE = 6.27 AC
I
DISTURBED AREA TO EXCAVATED STORAGE = 6.27 AC
o I (10YR) W/ 5min Tc = 7.93 IN/HR
\
Q10 =CIA = 0.45 X 7.93 X 6.27 = 22.37 CFS
o
\
REQUIRED SURFACE AREA OF STORAGE:
k X
/
\
\
\
o
D1
C5202
DIVERSION DITCH OUTLET
AT SEDIMENT BASIN (TYP.)
/ Q10 325 SF/CFS = 7,272 SF
PROVIDED SURFACE AREA OF STORAGE = 7,857 SF
/ /
N
REQUIRED STORAGE VOLUME:
=1,800 CF/DISTURBED ACRE = 11,286 CF
qco
II
\
PROVIDED STORAGE VOLUME: 13,346 CF
\
�q
V
D4
TEMPORARY
DIVERSION
TOP OF DAM ELEV. = 128.5'
/ k
\
C5202
DITCH
#9.1 130
� TOP OF DAM WIDTH = 5'
/
TEMPORARY
STOCKPILE C52402
SPILLWAY ELEV. = 127.0'
EMERGENCY SPILLWAY WIDTH = 10'
BOTTOM OF SEDIMENT BASIN ELEV. = 125.0'
20 20 20
0
40
p
D1 DIVERSION DITCH
OUTLET AT
SEDIMENT BASIN
mmmmmlIIIIl
( GRAPHIC SCALE IN FEET )
�V
1 inch = 20 ft.
D4 TEMPORARY DIVERSION
DITCH
\
C5202 #10.1
0
BALLENTINE REPRESENTATIVE:
D3 EXCAVATED STORAGE # 1 ASHTON SMITH, P.E.
BALLENTINE
D 1 RISER BASIN #9
PH. 919-929-0481
C 1207 SCALE: 1 " = 4O'
C1207 SCALE: 1 " = 20' EMAIL ASHTONS®BAPA.ENG.PRO
ASSOCIATES
D)Q\oECOPLEXUS
REPRESENTATIVE:
0
JIM HALLEY, P.E.
PH. 919-241-8919
221 PROVIDENCE ROAD, CHAPEL HILL,
N.C. 27514
EMAIL MALLEY®ECOPLEMS.COM
(919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C1207

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Arm Assembly
"C' Enclosure
PERSPECTIVE VIEW aWctUer nEntryit
PVC End PVC Vent Schedule 40
Ca PVCEIbow pipe
P PVC Pipe
PVC End
cqp
Schedule 40
PVC Tee PVC Pipe PVC Pipe
}" Holes in A PVC Tee Orifice
Underside Flexible Plate
I Hose
e�Bottom Surface
END VIEW FRONT VIEW
You Will Need:
6 feet or more of 1 W Sch 40 PVC pipe SOLI
Primer and glue for PVC pipe
Phillips screw driver, maybe a knife
Assembly and Installation Directions.
1. Glue on the 2" inlet extension to the Tee on the inlet. Install the vent.
Detail s Prime and glue the 2" inlet extension (with the coupling, 136" bushing and screw on one and) into the 2"
end of the Tee on the side of the Inlet (4" horizontal tube suspended between the sides of the float with the
aluminum screen door).
Install the vent info the socket in the Tee. back the screw out, insert the short end of the vent, point the long end
toward the door on the inlet, and tighten the screw. Use a little grease so it can be removed later.
Vent Rope
with YELLOW inlet
4" Sch 40 tip -
coupling I XT Sch 40 SOLID poor
connection barrel or "arm"
SUPPLIED BY USER
4
1'Yz' hose
2
GRAVEL ENTRANCE SHALL BE 50 FEET IN
LENGTH AND 25 FEET IN WIDTH WITH 45
FOOT RADIUS AT EXISTING ROADWAY
50'-0" MIN.
FILTER FABRIC 2-3" WASHED STONE
OPT /G�
S0
Parems: s,sio.7sr Skimmer shown in
a inlet floating position
extension
2. Glue the 6' long 1Y" sch 40 barrel to the 1'/7" grey coupling on the hose.
Details You will need f iz` Sch 40 PVC pipe (solid, not foam core) for the barrel (or "arras) between the float
assembly and the 1 Whose- hose. The length of the pipe should be about 1.4 times the depth of the basin so the
skimmer floats properly when the basin fifls with a rrminirnum length of 8' so the skimmer can be puffed to the side
of the basin for maintenance.
if barrel is longer than 8' weight may have to be added to the inlet so it sks at the right depth.
3. Put the other end of the barrel into the socket on the inlet extension and tighten the screw.
Details Make sure the screw point is not protruding into the I W bushing on the outlet end of the inlet extension
you glued onto the Tee.
A4THOU T GLUE OR PRIMER, but with a Nile grease, insert the other end of the pipe into the bushing aN the wav
in until it hits bottom. It may be easier to do this in the basin after you have connecter! the hose to the pipe, riser or
outlet structure. Tighten the screw so the point enters the pipe to secure it; it does not have to go all the way in.
This connection is not glued to affow disassembly and possible reuse of the skimmer later.
4. Cut the orifice in the plug (size shown on the erosion oontrol plans), put the plug in the inlet, and tighten the
screw. Close the door.
Detains Refer to the erosion control plans for the orifice size. Open the door on the inlet and remove thM E WIRES
10 GA.
plug in the inlet. Follow the instructions below for cutting the
ORIFICE. install the orifice in the inlet, secure it with the screw
(through the hole in the top of the inlet) and close the door and
secure 4 with the screw eye.
5- Cut a trench in the bottom of the basin V to 2' deep under where * e•
the skimmer will be placed. If required, place a support under the
skimmer inlet. •
v+
Details If the skimmer will settle to the bottom when the basin
drains d is recommended that a V - 2' deep french a backhoe
bucket wid& should be excavated under the skimmer to catch
sediment that will settle under the skimmer.
If a pool of water is to be provided. install the support under the skimmer inlet as shown on the erosion control
plans. It is ►ecommended that the hose connection to the pipe through the dam be low enough that the whole r�ond
can be drained using the skimmer even if a pool of water is to be provided. Doing this will avoid using a pump to
drain the very bo torn of the pond.
If ice is expected during winter place the skimmer near the dam or side of the basin where the ice will be the
thinnest and you can get to the inlet to break the ice and keep water flowing through the skimmer. But do not put R
so close to the side that the skimmer cannot settle to the bottom and drain the whole basin.
6. Attach the 4" coupling on the hose to the pipe through the dam or the outlet structure.
Details Make sure the screw points are not protruding info the 4" coupling on the hose and attach ►t to the pipe
through the dam. Tighten the screws just so the points go into the plastic to secure it. Greasing the pipe is
recommended so the hose can be removed later.
If the connection pipe is larger than 4" you will need a couplthg for that pgoe, a bushing for that coupling with a 4"
socket, and about I D" of 4" pipa to create an attachment.
if attaching to a metal pipe you will need a rubber coupling (Femco) and a short piece of 4" pvc pipe to make the
connection.
OR The 4"ooupling can be removed and the hose connected using the 2" threaded fitting. if attaching to a
concrete structure with a hole or orifice at the bottom, either: 1) grout a 4" PVC pipe into the hole and connect the
hose: cr 2) a more secureway is to use a steel plate with a hole cut in d and 2" cou pffng welded to rt that will fit
over the hole in the concrete and bolt ft plate to the structure with sealant to make It water tight.
7. Attach the rape to the Tee and the other end to a stake on the side of the basin.
Details Tie one end of fire rope around the Tee between the vent socket and the 4" tube on the inlet. Secure the
other end to a stake or post on the dam or side of the basin where t can be used to pull the skimmer to the side ,f
necessary to remove trash and debris.
8. Put a fence past. 1 not 2, on the opposite side of the barrel from where the rape is tied to a stake to keep the
skimmer in place.
Detail s Put the skimmer where you want it to settle to the bottom and drive a metal fence post into the ground on
the outside of the barrel (away from the side) 2' from the float to hold the skimmer in that palace.Make sure it is
high emucih so the barrel aloes rid That over the top when the basin fills. Posts on both sides of the barrel are not
recommended because f will prevent puffing the skimmer to the side for maintenance.
Maintenance
8" MIN. THICKNESS
2-3" COURSE
AGGREGATE
MAINTENANCE:
DESIGN CRITERIA
AGGREGATE SIZE - USE 2-3 INCH WASHED STONE
DIMENSION OF GRAVEL PAD
THICKNESS - 8 INCHES MINIMUM
WIDTH - 12 FT. MINIMUM OR FULL WIDTH AT ACCESS
POINTS OF THE VEHICULAR ENTRANCE AND
EXIT AREA, WHICHEVER IS GREATER
LENGTH - 50 FT. MINIMUM.
LOCATION - LOCATE CONSTRUCTION ENTRANCES AND EXITS
TO LIMIT SEDIMENT FROM LEAVING THE SITE AND TO
PROVIDE FOR MAXIMUM UTILITY BY ALL CONSTRUCTION
VEHICLES. AVOID STEEP GRADES AND ENTRANCES AT
CURVES IN PUBLIC ROADS.
CONTRACTOR SHALL INSTALL ADDITIONAL GRAVEL
CONSTRUCTION ENTRANCES NOT INDICATED ON THE PLANS
REQUIRED FOR STAGING AND/OR BORROW AREAS AND
MAINTAIN AT NO ADDITIONAL EXPENSE TO THE OWNER.
CONTRACTOR SHALL SUPPLEMENT AND MAINTAIN GRAVEL
CONSTRUCTION ENTRANCES AT HIS EXPENSE UNTIL FINAL
ACCEPTANCE.
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE
CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPDRESSING WITH 2-INCH STONE. AFTER EACH
RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY.
IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO PUBLIC
ROADWAYS.
' B2 TEMPORARY CONSTRUCTION ENTRANCE
C520 I I SCALE: N.T.S.
8' MAX. (6' MAX. FOR HEAVY DUTY FENCE - SEE
PLAN FOR LOCATION OF HEAVY DUTY FENCE)
VARIABLE AS DIRECTED BY THE ENGINEER
T
TM
SIT
IN
F
TAL
NCE
ED
FABRIC
0 SECOND
FRONT VIEW
STEEL POST (1.25 LB/LF)
WOVEN WIRE FABRIC
WARNING SIGN
SILT FENCE GEOTEXTILE FABRIC
BACKFILL TRENCH AND
firc,0,
COMPACT THOROUGHLY
04
-FILL SLOPE
GRADE
8" MIN.
oI I�
I I I 4" MIN.
N 6" MIN. COVER
I OVER SKIRT
�I EXTEND WIRE 6" MIN. INTO TRENCH
AND ANCHOR SKIRT AS
DIRECTED BY ENGINEER
MIN. 12-1/2 GA.
INTERMEDIATE
WIRES
-�-GRADE
* FOR REPAIR OF SILT
FENCE FAILURES, USE
No. 57 WASHED STONE.
FOR ANCHOR WHEN SILT
FENCE IS PROTECTING
CATCH BASIN.
NOTE:
-USE SILT FENCE ONLY WHEN DRAINAGE AREA
DOES NOT EXCEED 1/4 ACRE AND NEVER IN
AREAS OF CONCENTRATED FLOW
-END OF SILT FENCE NEEDS TO BE TURNED UPHILL.
Trash: If the inlet screen clogs and there is water in the basin, tugging on the rope several times will usually wash
MAINTENANCE:
the trash off and restore flow. If not, pull the inlet to the side of the basin and use a stick to clean the screen. Open
the screen door and remove any trash or sediment inside so grass or trees do not grow in the inlet. (Yes, this can
• INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE
happen!)
Sediment Accumulation Around Skimmer: A shallow, long basin, using baffles, and inflow in the basin at the
ANY REQUIRED REPAIRS IMMEDIATELY.
opposite end from the outlet help keep sediment away from the skimmer. If sediment restricts skimmer movement,
• SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME
pull the skimmer to one side and excavate under it.
INEFFECTIVE, REPLACE IT PROMPTLY.
Ice: Try to keep ice broken up at the inlet and around the barrel to keep water flowing, making it less likely the inlet
0 REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME
will freeze. Spray painting the float black to absorb heat is recommended. Use paint that will stick to PVC plastic.
FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID
Handling the Skimmer: The skimmer is made of plastic and will withstand heat, cold and sunlight but it needs to
UNDERMINING THE FENCE DURING CLEANOUT.
be handled by hand, NOT grabbed with a backhoe bucket and yanked around, especially in cold weather. To
remove the skimmer, disconnect the hose first, then disconnect the barrel from the inlet extension. DO NOT try to
REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE
pull the skimmer loose with a backhoe.
AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN
Vandalism: Keep unauthorized persons that may do damage off the site. Do not provide rocks close to the
PROPERLY STABILIZED.
skimmer if possible. If possible, taking other considerations into account, position the skimmer out in the basin
away from the banks to decrease the potential for a successful hit.
TEMPORARY SKIMMER(�p-2�SILT
FENCE (TYP.)
SCALE: N.T.S.
1
SCALE: N.T.S.
2
NOTES:
• COMPOST SOCK (CS) SHALL BE DELIVERED TO THE JOBSITE "PRE -FILLED"
WITH 100% ALL NATURAL BLEND OF WELL -AGED SHREDDED, CHIPPED,
AND GROUND HARDWOOD FILLER MATERIAL.
• USE 7' LONG MINIMUM 16" OR 3-8" (STACKED: PYRAMID) DIAMETER CS.
• ALL STAKES USED SHALL BE HARDWOOD AND SUFFICIENT LENGTH TO
MEET DIMENSIONS DISPLAYED IN THE CROSS SECTION.
MAINTENANCE
• CS SHOULD BE INSPECTED AFTER EACH RUNOFF EVENT. SEDIMENT TO BE
REMOVED ONCE IT HAS ACCUMULATED TO ONE-HALF THE ORIGINAL
HEIGHT OF THE CS. REPAIR WITH HANDWORK IF A GIVEN SECTION OF CS
SHOWS SIGNS OF UNDERCUTTING. REINFORCE WITH HANDWORK IF A GIVEN
SECTION OF CS SHOWS SIGNS OF PUSHING.
• A GIVEN SECTION OF CS SHALL BE REPLACED WHENEVER IT HAS
DETERIORATED TO SUCH AN EXTENT THAT THE EFFECTIVENESS IS
REDUCED OR DIMINISHED. DETERIORATION COULD OCCUR BECAUSE OF
NATURAL MESH FABRIC BREAKDOWN OVER TIME OR ABUSIVE FIELD
ACTIVITIES SUCH AS DRAGGING/MOVING ON THE JOB SITE OR DRIVING
OVER CS.
• SOME RIPPING AND TEARING OF THE CS FABRIC IS ACCEPTABLE AS LONG
AS THE OVERALL STRUCTURAL INTEGRITY OF THE CS IS NOT
COMPROMISED. THE FABRIC MUST CONTINUE TO HOLD THE FILLER
MATERIAL SECURELY IN PLACE IN AN OVAL FORM.
• A GIVEN SECTION OF CS SHALL BE REPLACED WHENEVER SEDIMENT HAS
BUILT UP AND BEEN REMOVED THREE TIMES. THIS SECTION OF CS IS
LIKELY FULL OF FINE POWDERY SEDIMENT - THIS IS NORMAL.
REMOVAL
• CS SHALL REMAIN IN PLACE UNTIL DISTURBED AREAS HAVE BEEN
STABILIZED. ALL SEDIMENT ACCUMULATION AT CS SHALL BE REMOVED
AND PROPERLY DISPOSED OF BEFORE DE -INSTALLING CS. WHEN
DE -INSTALLING, CUT CS OPEN AND SPREAD THE FILLER MATERIAL
AROUND THE SITE THE NETTING SHALL BE REMOVED FROM JOBSITE
SCHEDULE
APRON
LOCATION
"do"
(ft.)
"La"
"W1"
(ft.)
"W2"
(ft,)
RIPRAP
CLASS
"d"
(in.)
COMMENTS
SKIMMER
0.33
5.0
4.0
6.0
A
12
DRIVEWAY #1
1.25
5.0
4.0
4.0
A
12
FES #2
2.0
12.0
12.0
14.0
B
24
SIZED FOR (2) 24" CULVERTS COMBINED
FES #4
1.25
5.0
4.0
4.0
A
12
DRIVEWAY #2
1.25
5.0
4.0
6.0
A
12
BASIN #9
4.0
24.0
12.0
28.0
B
24
NOTE: FILTER FABRIC SHALL BE INSTALLED UNDER ALL RIPRAP ON THIS PROJECT
NCDOT GRADATION TABLE
ACCEPTANCE CRITERIA FOR RIPRAP
AND STONE FOR EROSION CONTROL
REQUIRED STONE SIZES - INCHES
CLASS
MINIMUM
MIDRANGE
MAXIMUM
A
2
4
6
B
5
8
12
1
5
10
17
2
9
14
23
PIPE DIA.
VAR1, j
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CONC. FLARED END----"'
SECTION, HEADWALL,
OR ENDWALL PER PLAN
ISOMETRIC VIEW
do = PIPE DIA
La = APRON LENGTH
W1 (=3 XOPIPEI WIDTH
MIN) FES PLAN
W2 = APRON WIDTH AT END
FOR FLAT AREA: W2 = do + La
FOR CHANNEL W2 = do + 0.4 La
d = APRON DEPTH
Lo
SLOPE 0 % FLOW
.s
MAINTENANCE: T
dJ SECTION A -A \FILTER FABRIC
INSPECT RIPRAP OUTLET STRUCTURES WEEKLY AND AFTER SIGNIFICANT (1/2 INCH OR GREATER)
RAINFALL EVENTS TO SEE IF ANY EROSION AROUND OR BELOW THE RIPRAP HAS TAKEN PLACE, OR
IF STONES HAVE BEEN DISLODGED. IMMEDIATELY MAKE ALL NEEDED REPAIRS TO PREVENT FURTHER
DAMAGE.
RIP RAP APRON
SCALE: N.T.S.
3
b^
SILT FENCE
POST
16" COMPOST SOCK
UNDISTURBED AREA ■ 4" iIN DISTURBED AREA
OPTIONAL FILLED SEAM
12" MIN \_ UNIFORM GROUND
CONTACT
SILT FENCE
POST ZIP OR
WIRE -TIED
3- 8" COMPOST SOCKS
UNDISTURBED AREA DISTURBED AREA
OPTIONAL FILLED SEAM
\- UNIFORM GROUND
CONTACT
SIDE VIEW
u I-1.5' -I j -16" OR 3- 8 COMPOST SOCK
CENTER STAKE (TYP.)
FRONT VIEW
TEMPORARY SILT FENCE COMPOST SOCK BREAK
SCALE: N.T.S.
2'
SILT FENCE
TOP VIEW
WIRE STEEL POST HORIZONTALLY
ACROSS OPENING AT TOP OF
HOGWIRE/HARDWARE CLOTH
STEEL POST
SILT FENCE HOG WIRE 6" MAX.
" MIN.
ivi. D 1 ONE
SILT FENCE
STEEL
POST
STEEL
POST
SILT FENCE
HARDWARE CLOTH (1/4" MESH)
CROSS SECTION
MAINTENANCE: I FRONT VIEW
• •• SILT FENCE STONE OUTLET:
INSPECT SILT FENCE STONE OUTLET WEEKLY OR AFTER EACH SIGNIFICANT RAINFALL
•• EVENT (Y2 INCH OR GREATER). MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
REMOVE SEDIMENT DEPOSITS AS NECESSARY, RESTORE TO ITS ORIGINAL DIMENSIONS
AND REPLACE STONE THAT IS IMPAIRED BY SEDIMENT.
• COIR FIBER WATTLE:
•• INSPECT WATTLE WEEKLY OR AFTER EACH SIGNIFICANT RAINFALL EVENT (Y2 INCH OR
GREATER). REMOVE ACCUMULATED SEDIMENT AND ANY DEBRIS.
•• REPLACE WATTLE IF CLOGGED OR TORN. REINSTALL WATTLE IF UNDERMINED OR
DISLODGED.
D4 TEMPORARY SILT FENCE STONE OUTLET
SCALE: N.T.S.
BALLENTINE REPRESENTATIVE:
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONSOBAPA.ENG.PRO
ECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E.
PH. 919-241-8919
EMAIL MALLEY®ECOPLEMS.COM
V9 BALLENTINE
A S S 0 C I AT E SP P0 All-k 0
221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
(919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C5201

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45' (ALSO 50' AND PV MODULES
60' OPTIONS)
VARIES F
wa
GEAR RACK �
COLUMN (TYP) �� j
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F
EXISTING GRADE
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O TYPICAL RACK SIDE ELEVATION
NOT TO SCALE
TYPICAL TRACKER RACK REAR ELEVATION
NOT TO SCALE
TYPICAL RACK ELEVATIONS
SCALE: N.T.S.
TOP OF DIVERSION DITCH
BOTTOM OF
DIVERSION DITCH
TRANSITION FROM EARTH TOP OF SKIMMER
DIVERSION DITCH BASIN BANK
TO FABRIC LINED CHANNEL
6' MIN. VARIES
2 3
POLY LINER INSTALLATION:
1. BEGIN AT THE TOP OF THE DIVERSION DITCH OUTLET/SPILLWAY BY ANCHORING THE LINER IN A 12" DEEP X 12" WIDE TRENCH WITH THE POLY
LINER ROLL PLACED OUTSIDE OF TRENCH ON SIDE OPPOSITE OF WHERE LINER IS NEEDED. ANCHOR THE LINER WITH A ROW OF STAPLES/STAKES
APPROXIMATELY 12" APART IN THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. MAKE SURE TO ANCHOR THE
LINER IN SUCH A WAY THAT THE LINER ROLL WILL UNROLL WITH APPROPRIATE SIDE AGAINST THE SOIL SURFACE.
2. ROLL LINERS IN DIRECTION OF WATER FLOW. ALL LINERS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN
APPROPRIATE LOCATIONS AS SHOWN IN STAPLE PATTERN D ON THIS SHEET.
3. PLACE CONSECUTIVE LINERS END OVER END (SHINGLE STYLE) WITH A 4"-6" OVERLAP. USE A DOUBLE ROW OF STAPLES STAGGERED 4" APART AND
4" ON CENTER TO SECURE LINERS.
4. FULL LENGTH EDGE OF LINERS AT TOP OF SIDE SLOPES MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" APART IN A 6"
DEEP X 6" WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING.
5. ADJACENT LINERS MUST BE OVERLAPPED APPROXIMATELY 2"-5" AND STAPLED.
6. THE TERMINAL END OF THE LINERS MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" APART IN A 6" DEEP BY 6" WIDE
TRENCH. BACKFILL AND COMPACT TRENCH AFTER STAPLING.
MAINTENANCE:
• INSPECT POLY LINERS AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
• SHOULD THE FABRIC OF A POLY LINER COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
EMERGENCY SPILLWAY
3•.1
TOP OF CHANNEL
BOTTOM OF CHANNEL
MATCH W/ FLAT
BASIN BOTTOM
6"
LINE DIVERSION DITCH AND SLOPE WITH
30-MIL POLY LINER FOR FULL WIDTH.
INSTALL PER EROSION CONTROL MATTING B I
DETAIL - THIS SHEET.
EMERGENCY SPILLWAY
ELEVATION/WIDTH =
VARIES. SEE PLANS.
LINE SPILLWAY WITH 30 MIL
POLY -LINER FOR FULL WIDTH.
INSTALL PER MANUFACTURE'S
INSTRUCTIONS.
TRANSVERSAL SECTION
TOP OF DAM
BOTTOM OF SKIMMER BASIN ELEVATION = VARIES.
ELEVATION= VARIES. SEE PLANS. SEE PLANS.
3: 7
EMERGENCY SPILLWAY u
ELEVATION= VARIES.
SEE PLANS.
LINE SPILLWAY AND SLOPE WITH EXISTING GROUND
30 MIL POLY -LINER. INSTALL PER
MANUFACTURE'S INSTRUCTIONS.
EXTEND LINER DOWN TO EDGE OF
DISTURBED LIMIT.
LONGITUDINAL SECTION
EMERGENCY SPILLWAY SECTIONS
SCALE: N.T.S.
6' FLAT APRON
A
L
I
III III IIIIII-
CF_rTICNI P-P
6'
if
6" 2
12 1
LINE DITCH WITH 30-MIL POLY L 2'
LINER FOR FULL WIDTH. INSTALL
PER EROSION CONTROL MATTING
DETAIL - THIS SHEET.
SECTION A -A
9' _
B DIVERSION DITCH OUTLET
D1 AT SEDIMENT BASIN
SCALE: N.T.S.
z �1 2
(30 cm)
J_�
(15 -cm)
1
VARIES TEMPORARY
STOCK PILE
t 3
10' MAX 11 /
NOTES:
1. TEMPORARY STOCK PILES SHALL HAVE A MAXIMUM HEIGHT OF 10' WITH SIDE SLOPES NO STEEPER THAN 3:1. A
2. ESTABLISH TEMPORARY GROUND COVER WITHIN 14 DAYS AS DEPICTED ON THE GROUND STABILIZATION
REQUIREMENTS CHART ON SHEET C1201.
A4 TEMPORARY STOCKPILE AREA DETAIL
C5202 SCALE: N.T.S.
2' MIN "A"
COMPACTED
SOIL
FLOW
STEEP CUT 2:1 SLOPE (MAX)- B LINING III=1�11=11'
OR FILL SLOPE-1-1-1-1-1 1-1 1-1-1 1-1 1-1 1-
„D„
_-III„II C LINING HEIGHT
SIDE SLOPES
2 1 (MAX.)
s
•
•\ •
/
•l/���
/ /
\ /
\ \ \
6"
(15 cm)
��� g �� �)
0
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(10 cm)
\
(
7
7
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1
5cm-12.5cm)
\
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6
0
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(10cm-15cm
6"
(15 )
/\
\:
\
.
1. PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING ANY NECESSARY APPLICATION OF UME, FERTILIZER, AND SEED PER SEEDING
SPECIFICATIONS.
2. BEGIN AT THE TOP OF THE CHANNEL BY ANCHORING THE BLANKET IN A 6" (15cm) DEEP X 6" (15cm) WIDE TRENCH
UPSLOPE TOE
NOTE:
1. SEE SHEET C5202 FOR MATTING
CROSS SECTION INSTALLATION DETAIL
POSITIVE GRADE 1.0% MIN.
STEEP CUT
OR FILL SLOPE
„C„
DIV. DITCH
"A"
"B"
"C"
"D"
LINING
COMMENTS
1.1
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
1.2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
2.1
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
2.2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
3.1
8'
MIN.
12
MIN.
2'
1.0
STRAW BLANKET
N.A.
GREEN
S150
3.2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
4.1
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
5.1
8'
MIN.
12'$
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
5.2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
6.1
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
6.2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
7.1
8'
MIN.
12'$
MIN.
2'
1.0'
STRAW BLANKET
S BL E
N.A.
G EE
GREEN
1
S 50
7.2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
8.1
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
S BL E
N.A.
GREEN
G EE
1
S 50
9.1
14'
MIN.
12"
MIN.
2'
2. 0'
STRAW BLANKET
N.A.
GREEN
S150
9,2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
10.1
8'
MIN.
12"
MIN.
2'
1.0'
COCONUT BLANKET
N.A.
GREEN
C125
10.2
8'
MIN.
12"
MIN.
2'
1.0'
STRAW BLANKET
N.A.
GREEN
S150
11.1
11'
MIN.
12"
MIN.
2'
1. 5'
STRAW BLANKET
N.A.
GREEN
S150
11.2
11'
MIN.
12"
MIN.
1 2'
1 1. 5'
1 STRAW BLANKET
N.A.
GREEN
S150
WITH APPROXIMATELY 12 (30cm) OF BLANKET EXTENDED BEYOND THE UP -SLOPE PORTION OF THE TRENCH. ANCHOR THE
BLANKET WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30cm) APART IN THE BOTTOM OF THE TRENCH. BACKFILL
AND COMPACT THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" (30cm) PORTION
OF BLANKET BACK OVER SEED AND COMPACTED SOIL. SECURE BLANKET OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES
SPACED APPROXIMATELY 12" (30cm) APART ACROSS THE WIDTH OF THE BLANKET. MAINTENANCE:
3. ROLL CENTER BLANKET IN DIRECTION OF WATER FLOW IN BOTTOM OF CHANNEL BLANKETS WILL UNROLL WITH APPROPRIATE SIDE
AGAINST THE SOIL SURFACE. ALL BLANKETS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES
IN APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. WHEN USING PRE -MARKED BLANKETS, STAPLES/STAKES INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL. IMMEDIATELY
SHOULD BE PLACED THROUGH EACH OF THE MARKS CORRESPONDING TO THE APPROPRIATE STAPLE PATTERN AS REQUIRED BY THE. REMOVE SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFULLY
MANUFACTURER. CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED. WHEN THE AREA PROTECTED IS
4. PLACE CONSECUTIVE BLANKETS END OVER END (SHINGLE STYLE) WITH A 4"-6" (10cm-15cm) OVERLAP. USE A DOUBLE ROW OF PERMANENTLY STABILIZED, REMOVE THE RIDGE AND THE CHANNEL TO BLEND WITH THE
STAPLES STAGGERED 4" (10cm) APART AND 4" (10cm) ON CENTER TO SECURE BLANKETS. NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT.
5. FULL LENGTH EDGE OF BLANKETS AT TOP OF SIDE SLOPES MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY
12" (30cm) APART IN A 6" (15cm) DEEP X 6" (15cm) WIDE TRENCH. BACKFLH AND COMPACT THE TRENCH AFTER STAPLING.
6. ADJACENT BLANKETS MUST BE OVERLAPPED APPROXIMATELY 2"-5" (5cm-12.5cm) (DEPENDING ON BLANKET TYPE) AND STAPLED. TEMPORARY DIVERSION DITCH SIZING
TO ENSURE PROPER SEAM ALIGNMENT, PLACE THE EDGE OF THE OVERLAPPING BLANKET (BLANKET BEING INSTALLED ON TOP) EVEN
WITH THE COLORED SEAM STITCH ON THE BLANKET BEING OVERLAPPED. D4 & MATTING INSTALLATION
7. IN HIGH FLOW CHANNEL APPLICATIONS. A STAPLE CHECK SLOT IS RECOMMENDED AT 30 TO 40 FOOT (9m-12m) INTERVALS. USE
C52O2 SCALE: N.T.S.
A DOUBLE ROW OF STAPLES STAGGERED 4" (10cm) APART AND 4" (10cm) ON CENTER OVER ENTIRE WIDTH OF THE CHANNEL
8. THE TERMINAL ENO OF THE BLANKETS MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30cm) APART
IN A 6" (15cm) DEEP X 6" (15cm) WOE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING.
A NOTE: *2"5"
--
~
2' (0.6m)
B C CRITICAL POINTS * HORIZONTAL STAPLE SPACING SHOULD BE ALTERED (5cm-12.5cm)
(5cm-12.5cm)
A OVERLAPS AND SEAMS IF NECESSARY TO ALLOW STAPLES TO SECURE THE
CRITICAL POINTS ALONG THE CHANNEL SURFACE.
Seam Stitch"
B. PROJECTED WATER LINE
C. CHANNEL BOTTOM/SIDE +• IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE
4' (1.2m)
Q
A SLOPE VERTICES OR STAKE LENGTHS GREATER THAN 6" (15 cm) MAY
20" (0.5m)
B BE NECESSARY TO PROPERLY ANCHOR THE BLANKETS.
C
O O
"
3.3' (1.0m)
O O O
MAINTENANCE:
• INSPECT ROLLED EROSION CONTROL PRODUCTS (RECP) AT LEAST WEEKLY AND AFTER EACH
G
0 0 0
SIGNIFICANT (1 INCH OR GREATER) RAIN FALL EVENT REPAIR IMMEDIATELY.
• GOOD CONTACT WITH THE GROUND MUST BE MAINTAINED, AND EROSION MUST NOT OCCUR BENEATH
THE RECP.
3.4 STAPLES PER SQ. YD.
• ANY AREAS OF THE RECP THAT ARE DAMAGED OR NOT IN CLOSE CONTACT WITH THE GROUND SHALL
(4.1 STAPLES PER SQ. M)
BE REPAIRED AND STAPLED.
For blankets with theT,,optional North
American
• IF EROSION OCCURS DUE TO POORLY CONTROLLED DRAINAGE, THE PROBLEM SHALL BE FIXED AND
Green DOT System place staples/stakes
THE ERODED AREA PROTECTED.
through each of the WHITE colored
dots.
BALLENTINE REPRESENTATIVE:
• MONITOR AND REPAIR THE RECP AS NECESSARY UNTIL GROUND COVER IS ESTABLISHED.
STAPLE PATTERN
DASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONSOBAPA.ENG.PRO
D3 EROSION CONTROL MATTING INSTALLATION
TYP.)
C5202 SCALE: N.T.S.
ECOPLEXUS REPRESENTATIVE.
JIM HALLEY, P.E.
PH. 919-241-8919
EMAIL JHALLEYOECOPLEXUS.COM
3 I 4
BALLENTINE
ASSOCIATES, P.A.
221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
(919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C5202

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Phan Vier
rnflow
structure
Average __ Area*
Width W L
Area of basin water surface at
top of principal spillway elevation
Inflow
structure
1 2
Baffles
1
1' Freeboard
I
d
Sliimmei•
dewatering
device Emcrgeru7
s�lllw�
A
6' min
Embcn;tment
Wgency
way
Sediment Crass -Section
storage ZCrle
View
MAINTENANCE:
INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (ONE-HALF INCH OR GREATER)
RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL
DIMENSIONS WHEN SEDIMENT ACCUMULATES TO ONE-HALF THE HEJGHT OF THE FIRST BAFFLE. PULL THE SKIMMER TO
ONE SIDE SO THAT THE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE
BASIN, NOT JUST AROUND THE SKIMMER OR THE FIRST CELL. MAKE SURE VEGETATION GROWING IN THE BOTIOM OF
THE BASIN DOES NOT HOLD DOWN THE SKIMMER.
REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE BAFFLES IF WATER IS FLOWING UNDERNEATH OR
AROUND THEM.
IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN, USUALLY JERKING ON THE ROPE WILL
MAKE THE SKIMM ER BOB UP AND DOWN AND DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK,
PULL THE SKIMMER OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS. ALSO CHECK THE ORIFICE INSIDE THE
SKIMMER TO SEE IF IT IS CLOGGED; IF SO REMOVE THE DEBRIS.
IF THE SKIMMER OR BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION CLEARED WITH
A PLUMBER'S SNAKE OR BY FLUSHING WITH WATER. BE SURE TO REPLACE THE ORIFICE BEFORE REPOSITIONING THE
SKIMMER.
CHECK THE FABRIC LINED SPULLWAY FOR DAMAGE AND MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT SPANS THE
FULL WIDTH OF THE SPILLWAY. CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND
INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY. REMOVE
ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND POOL AREAS.
FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL PRECAUTIONS SHOULD BE TAKEN IN
THE WINTER TO PREVENT THE SKIMMER FROM PLUGGING WITH ICE.
rB� SEDIMENT BASIN DETAIL
COMPOST
C5203J SCALE: N.T.S.
SLOPE
ISOMETRIC VIEW
2'{MAX. )
EDGE OF PAVEMENT
MATTING //�/ \.2' DOWNSLOPE
STAKE
2 IN.
TURAL GROUND
VEE DITCH
91 IIPCI APF
(ROUND
CROSS SECTION STAKE
TRAPEZOIDAL DITCH
RISER STRUCTURE
SKIMMER (51ZE VAR.)
STEEL POSTS (QUANTITY VAR.)
EMBANKMENT
PLASTIC SLOPE DRAIN PIPE STONE ENERGY
(PRACTICE STANDARD 6.32) i� DISSIPATOR
OR
_\
GEOTEXTiLE LINING
[A
A 0-
TEMPORARY OR i� ' '
PERMANENT DITCH ROPE
EMERGENCY SPILLWAY
COIR FIBER BAFFLES
(PRACTICE STANDARD 6.65) STONE PAC
PLAN VIEW ihelowskimmeri
WOOD STAKE
OR METAL POST
TOP OF EMBANKMENT
RISER STRUCTURE
1' MIN. - x'�''
TRASH RACK _ i*` EMERGENCY SPILLWAY
FREEBOARD- ., ��I- l I�
I' MIN. py t=iiii=,ift=,I�tifi,iiifl= zs.
SKIMMER —� E�IIN�Il1`R1ruYf��1rlllr - �Sto
1 ys� lrlr l+llf 02r t 11>iJrliliii I�IililK1 hilJri+ e
=1 'Nall 'R Ilu �,t ,Ili ii,l ,l�l ,r>r Gsi� r �,�
�> BARREL
PIPE
44
Lj
CLASS B STONE PAD
(4' X 4' X 1' MIN.) ANTIFLOTAT ION BLOCK SECTIONAL VIEW t CUT-OFF ANTI -SEEP TRENCH COOLLARLLARSTABILIZED
2' DEEP OUTLET
1.I
MAINTENANCE
INSPECT TEMPORARY SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1 r2 INCH OR GREATER) RAINFALL EVENT AND REPAIR
IMMEDIATELY, REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN IT ACCUMULATES TO ONE-HALF THE DESIGN DEPTH. PLACE
REMOVED SEDIMENT IN AN AREA WITH SEDIMENT CONTROLS
Q CHECK THE EMBANKMENT. SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL
NECESSARY REPAIRS IMMEDIATELY REMOVE ALL TRASH AND OTHER DEBRIS FROM THE RISER AND POOL AREA
Figure 6.61d Sediment Basin (with Riser Barrel Pipe)
' B2 � RISER SEDIMENT BASIN DETAIL
C5203J SCALE: N.T.S.
NOTES:
1. USE MINIMUM 16 IN. DIAMETER COMPOST SOCK.
2. USE 2 FT. WOODEN STAKES WITH A 2 IN. BY 2 IN. NOMINAL CROSS SECTION.
3. ONLY INSTALL COMPOST SOCK(S) TO A HEIGHT IN DITCH SO FLOW WILL NOT
WASH AROUND COMPOST SOCK AND SCOUR DITCH SLOPES AND AS DIRECTED.
4. INSTALL A MINIMUM OF 2 UPSLOPE STAKES AND 4 DOWNSLOPE STAKES AT
AN ANGLE TO WEDGE COMPOST SOCK TO BOTTOM OF DITCH.
5. PROVIDE STAPLES MADE OF 0.125 IN. DIAMETER STEEL WIRE FORMED INTO A
U SHAPE NOT LESS THAN 12" IN LENGTH.
6. INSTALL STAPLES APPROXIMATELY EVERY 1 LINEAR FOOT ON BOTH SIDES OF
COMPOST SOCK AND AT EACH END TO SECURE IT TO THE SOIL.
7. INSTALL MATTING PER EROSION CONTROL MATTING DETAIL.
FLOW
INSET A INSET B
TOP VIEW
MAINTENANCE:
1. INSPECT COMPOST SOCKS WEEKLY AND AFTER EACH SIGNIFICANT RAINFALL EVENT (1/2 INCH OR GREATER). REMOVE ACCUMULATED SEDIMENT IN
p FRONT OF WATTLE WHEN SEDIMENT DEPTH REACHES ONE HALF THE DIAMETER OF THE WATTLE AND ANY DEBRIS.
2. COMPOST SOCKS MUST BE REPLACED IF CLOGGED OR TORN AND REINSTALLED IF UNDERMINED OR DISLODGED. IF PONDING BECOMES EXCESSIVE,
COMPOST SOCKS MAY NEED TO BE REPLACED WITH A LARGER DIAMETER OR A DIFFERENT MEASURE.
3. IF A WASHOUT OCCURS REPAIR THE SLOPE GRADE. RESEED AND REINSTALL MULCH AND MATTING.
4. COMPOST SOCKS SHALL BE INSPECTED UNTIL LAND DISTURBANCE IS COMPLETE AND THE AREA ABOVE THE MEASURE HAS BEEN PERMANENTLY
STABILIZED.
D2 COMPOST SOCK
C5203 SCALE: N.T.S.
TEMPORARY TOP OF RISER
SKIMMER Q ELEV. _ "C"
CMP TEE
FINISHED GRADE @ ELEV. _ "D"
(SEDIMENT BASIN BOTTOM)
4" ORIFICE SCH 40J
PVC PIPE ® INV.
ELEV. _ "D"
4 I 5
DRAPE BAFFLE MATERIAL OVER WIRE STRAND INSTALL T-POST TO ANCHOR
BAFFLE TO SIDE OF BASIN AND
AND SECURE WITH PLASTIC TIES AT POSTS
AND ON WIRE EVERY 12" AND TO VERTICAL POST
9 GAUGE MIN HIGH
TENSION WIRE STRAND
SHALL BE SECURED TO POST TO SUPPORT
BAFFLE MATERIAL
onrr�.� mn, �nin�
NOTES:
1. INSTALL THREE(3) COIR FIBER
BAFFLES IN SILT BASINS AND SEDIMENT
DAMS AT DRAINAGE OUTLETS WITH A
SPACING OF 1/ THE BASIN LENGTH.
2. TWO(2) COIR FIBER BAFFLES CAN BE
INSTALLED IN SILT BASINS AND DAMS
LESS THAN 20 FT. IN LENGTH WITH A
SPACING OF 1/3 THE BASIN LENGTH.
3. TOP HEIGHT OF COIR FIBER BAFFLES
SHALL NOT BE BELOW BASE OF EMERGENCY
SPILLWAY ELEVATION.
AT 12" MAXIMUM SPACING BAFFLE MATERIAL
11 GAUGE
LANDSCAPE
STAPLE
12`11 ffI l I I ICI I I
STEEL POST - : -O" DEPTH
BAFFLE MATERIAL SHALL BE SECURED
TO THE BOTTOM AND SIDES OF BASIN
USING 12" LANDSCAPE STAPLES
MAINTENANCE:
• INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
• BE SURE TO MAINTAIN ACCESS TO THE BAFFLES. SHOULD THE FABRIC OF A BAFFLE COLLAPSE, TEAR, DECOMPOSE,
OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
• REMOVE SEDIMENT DEPOSITS WHEN IT REACHES HALF FULL TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT
RAIN AND TO REDUCE PRESSURE ON THE BAFFLES. TAKE CARE TO AVOID DAMAGING THE BAFFLES DURING
CLEANOUT. SEDIMENT DEPTH SHOULD NEVER EXCEED HALF THE DESIGNED STORAGE DEPTH.
• AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL BAFFLE MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND STABILIZE IT.
64 COIR FIBER BAFFLE INSTALLATION
C5203 SCALE: N.T.S.
ANTI —VORTEX TRASH
RACK BY CONTECH
OR APPROVED EQUAL
"A" INTERIOR DIA.
CMP RISER (SEE TABLE)
"B" CMP TO RIPRAP
APRON
"—INV. ELEV. _ "E"
—3' MIN. THICK CONCRETE ANCHOR
FOR ANTI —FLOATATION
BOTTOM OF TEE TO BE SET
NO HIGHER THAN ELEV. _ "F"
RISER SEDIMENT BASIN
"A"
I "B"
I "C"
I "D"
I "E"
I "F"
I COMMENTS
1
60"
48"
126.5'
124.25'
123.75'
120.5'
CMP RISER DETAIL
SCALE: N.T.S.
BALLENTINE REPRESENTATIVE:
ASHTON SMITH, P.E.
PH. 919-929-0481
EMAIL ASHTONSOBAPA.ENG.PRO
ECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E.
PH. 919-241-8919
EMAIL JHALLEY®ECOPLEXUS.COM
BALLENTINE
■
■0
■0
ASSC"3ATES P.A.
221 PROVIDENCE ROAD, CHAPEL HILL, N.C. 27514
(919) 929 — 0481 (919) 489 — 4789
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DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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C5203

1
2
3
4
5
EXISTING GRADE
16'
A
A
6" ABC
STONE
COMPACTED FILTER FABRIC
NOTES: SUBGRADE
• ALL ACCESS DRIVES SHALL BE EXCAVATED DOWN WITH THE SUBGRADE COMPACTED TO 95%
STANDARD PROCTOR WITH 6" ABC STONE PLACED FLUSH WITH EXISTING GRADE.
('B4 161 GRAVEL ACCESS DRIVE TYP.
C5204 N.T.S.
PLAN VIEW
PLAN VIEW
straw bale dike or berm
B
approved i (0.45 m)
- dewatering device 'ti 6-
B
stream minimum
diversion pumps f
5-ft 413--m]
discharge hoses
P intake minimum
hose
p dewatering purnp B A
- - i A A � 0.9 m
r` `
r
F flow -
intake hose �� flow
stone outlet
dike
sediment dike clean water Sump -hole structure
- - -- --- - pool SECTION A -A
18" deep
�•' work area 2' dia.) 1.5 ft
2' d .)
pumps should discharge length oat to exceed [0.45 m}
onto a stable velocity thatwhici} can be 2:1
dlssipator made of rip rap completed in one day (H.V)
or sandbags _
flow
SECTION A -A ftPrfabric
1'k
4 to 6-4n (10 to ff
impervious sheeting 15 cm) riprap
base flow + 1 foot SECTION B---B
work area (2 foot minimum) 2 to 3-ft 10.6 to 0.9-m)
rebar or stakes for
straw bates
6 inches
cross section of sandbag dike
C
(15 cm)
`
PUMP AROUND DETAIL
I
NOTES: 3-ft (0.9-•-ir,
'
1. PUMP AROUND DIKES SHALL NOT BE SET OUTSIDE OF THE DISTUREBEDAMPACT �, 't` lw , ; ., minimum
LIMITS SHOWN ON THE PLANS- y,
2. INSTALL PUMP -AROUND DIVER150N AND DEWATER THE CONSTRUCTION ZONE
4-in [10-cm] ---- -^�--
THROUGH THE DEWATERING DEVICE. THE CONTRACTOR SHALL STAGE THE LIMIT'S OF minimum depth
THE PUMP -AROUND FLOW DIVERSION TO DEWATFR ONLY THAT SECTION SCHEDULED
FOR THAT DAY'S WORK. AT THE END OF EACH WORK DAY, THE WORK AREA SHALL BE
DEWATERI NG BASIN DETAIL
STABILIZED, THE PUMP AROUND PRACTICE REMOVED, AND THE FLOW RESTORED TO
THE CHANNEL. WORT( SHALL BE COMPLETED ONLY DURING FORECAST PERIODS OF
DRY WEATHER.
STREAM RESTORATION NOTES:
1. RESTORE ANY TEMPORARY DISTURBANCE
TO THE STREAM TO ITS PRE -CONSTRUCTION
STATE.
2. PLANTS USED IN THE RESTORATION SHALL
BE OF A NATIVE SPECIES SIMILAR TO THE
PLANTS SURROUNDING THE DISTURBED
AREA.
TEMPORARY COFFERDAM
('D4 AND PUMP AROUND DETAIL
C5204 N.T.S.
D
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N REPRESENTATIVE:
ASHTON SMITH, P.E.
SST S
BALLENTINE
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO A
D)Q\
SS0 � Q\� � SP
oECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E. 221 PROVIDENCE ROAD, CHAPEL ILL, N.C. 27514
PH. 919-241-8919
EMAIL JHALLEY®ECOPLEXUS.COM (919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
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DRAWING No:
C5204

1
2
3
4
5
A
A
3xDo 3xDo
2' 2'
o
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2'
3'
>
12"
INITIAL TRENCHJ II I ° II INITIAL TRENCH
EXCAVATION LIMITS 12" Do 12"EXCAVATION LIMITS
B
PLAN VIEW
B
INITIAL TRENCH I V INITIAL TRENCH TOP OF DRAINAGE
EXCAVATION LIMITS 2' MIN. TOP OF DAM EXCAVATION LIMITS DIAPHRAGM
BARREL PIPE WRAPPED
IN NON —WOVEN FILTER
� FABRIC AT PIPE JOINTS
3,000 PSI MIN. CONCRETE 1 .5' WOVEN VINYL FILTER
CRADLE — SHALL EXTEND FABRIC BETWEEN
FOR THE FULL LENGTH OF
SAND AND GRAVEL
THE CONDUIT
12" 12" #57 STONE
U� Do U (COMPACTED)
TOP OF DAM — (2) 2" SCH 80 PVC PIPE
°
° PERFORATED THROUGH WIDTH
°
8" a ° OF STONE IN DIAPHRAGM
EMERGENCY °
SPILLWAY77, ASTM C-33 CONCRETE SAND
�- 12" (COMPACTED)
3, 1.25' 3, 2' 2'
3xDo 3xDo
DOWNSTREAM MEW
2' MIN. 2' MIN.
C
2 12 INITIAL TRENCH V INITIAL TRENCH TOP OF DRAINAGE
C
BARREL PIPE WRAPPED .., EXCAVATION LIMITS 2' MIN. TOP OF DAM EXCAVATION LIMITS DIAPHRAGM
IN NON —WOVEN FILTER
FABRIC AT PIPE JOINTS
BARREL PIPE WRAPPED
IN NON —WOVEN FILTER
FABRIC AT PIPE JOINTS
3,000 PSI MIN. CONCRETE 1.5' WOVEN VINYL FILTER
CRADLE — SHALL EXTEND FABRIC BETWEEN
DOWNSTREAM FOR THE FULL LENGTH OF SAND AND GRAVEL
THE CONDUIT
_--
� �
I 12" 12" #57 STONE
° Do (COMPACTED)
(2) 2" SCH 80 PVC PIPE
12" � 8" ° ` ° a PERFORATED THROUGH WIDTH
8" OF STONE IN DIAPHRAGM
CONCRETE CRADLE SHALL 0 000000000000
EXTEND FOR THE FULL ASTM C-33 CONCRETE SAND
LENGTH OF THE CONDUIT (COMPACTED)
12�� COMPACTED
(2) PERFORATED 2"
SCH 80 PVC (2) NON —PERFORATED
THROUGH WIDTH OF 2" SCH 80 PVC 6" 6"
STONE IN DIAPHRAGM
3xDo 3xDo
SIDE VIEW UPSTREAM VIEW
D3 DRAINAGE DIAPHRAGM (TYP.)
C5205 N.T.S.
D
D
BALLENTINEREPRESENTATIVE:
ASSTON SMITH, P.E.
BALLENTINE
PH. 919-929-0481
EMAIL ASHTONS®BAPA.ENG.PRO A
D)Q\
SS0 � Q\� � Sp
oECOPLEXUS REPRESENTATIVE:
JIM HALLEY, P.E. 221 PROVIDENCE ROAD, CHAPEL ILL, N.C. 27514
PH. 919-241-8919
EMAIL JHALLEY®ECOPLEXUS.COM (919) 929 - 0481 (919) 489 - 4789
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JOB NUMBER: 114003.19
DRAWN BY: T.L.P.
REVIEWED BY: A.R.S.
SCALE: AS NOTED
DATE: 10 FEB 20
a J
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W
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DRAWING No:
C5205