SW3211202_Plansheet - Grading_Drainage Plan_20220223

VICINITY MAP
NTS
M CA I EA- f I
CYPRESS CREEK RENEWABLES
601 WEST MAIN STREET
.. SUITE A
CARRBORO, NORTH 27510
PHONE: [phone]
SITE ADDRESS: 919 OLD PAGELAND MONROE ROAD
MONROE, UNION COUNTY
, NORTH CAROLINA
CSD PROJECTNUMBER: CCR=1504
SHEET INDEX
C-1 COVER SHEET
C-2 EXISTING CONDITIONS
C-3 SITE PLAN
EROSION CONTROL SELF INSPECTION. C-4 EROSION CONTROL PLAN
1.
2.
3.
4.
5.
THE PURPOSE OF SELF INSPECTION IS TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS
BEING FOLLOWED, INCLUDING THE INSTALLATION AND MAINTENANCE OF MEASURES, AND THE PROVISIONS OF GROUND
COVER 1N A TIMELY MANNER.
ALL OF THE EROSION AND SEDIMENTATION CONTROL MEASURES, SHOWN ON THE EROSION CONTROL PLAN, WHICH MAY
INCLUDE SEDIMENTATION CONTROL BASINS, SEDIMENTATION TRAPS, SEDIMENTATION PONDS, ROCK DAMS, TEMPORARY
DIVERSIONS, TEMPORARY SLOPE DRAINS, ROCK CHECK DAMS, SEDIMENT FENCE OR BARRIERS, ALL FORMS OF INLET
PROTECTION, STORM DRAINAGE FACILITIES, ENERGY DISSIPATERS, AND STABLIL12ATION METHODS OF OPEN CHANNELS
MUST BE INSPECTED.
A "SELF -INSPECTION REPORT FOR LAND DISTURBING ACTIVITYAS REQUIRED BY NCGS 113A-54.1 " MUST BE COMPLETED. AN
ALTERNATIVE IS TO MAKE NOTATIONS ON THE COPY OF THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN THAT
IS KEPT ON THE PROJECT SITE.
THE SELF -INSPECTION REPORT FOR LAND -DISTURBING ACTIVITY 1S TO BE COMPLETED AFTER EACH PHASE OF THE
APPROVED EROSION CONTROL AND SEDIMENTATION CONTROL PLAN IS COMPLETE. THESE PLANS MAY INCLUDE:
INSTALLATION OF PERIMETER EROSION AND SEDIMENT CONTROL MEASURES;
CLEARING AND GRUBBING OF EXISTING GROUND COVER;
COMPLETION OF ANY PHASE OF GRADING OF SLOPES OR FILLS;
INSTALLATION OF STORM DRAINAGE FACILITIES;
COMPLETION OF CONSTRUCTION OR DEVELOPMENT;
ESTABLISHMENT OF PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN EROSION.
i
THE RECORDS MUST BE MADE AVAILABLE TO THE EROSION CONTROL INSPECTOR AT THE SITE. ANY DOCUMENTATION OF
INSPECTIONS THAT OCCUR ON A COPY OF THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN SHALL OCCUR ON
A SINGLE COPY OF THE PLAN AND THAT PLAN SHALL BE MADE AVAILABLE ON THE SITE. ANY INSPECTION REPORTS SHALL
ALSO BE MADE AVAILABLE ON THE SITE. d
REVISIONS:
A
NO. DATE DESCRIPTION BY
C-5 DETAILS
ALL CONSTRUCTION TO BE IN ACCORDANCE
WITH ALL NCDENR LAND QUALITY AND NCDOT
STANDARDS AND SPECIFICATIONS.
SITE INFORMATION
SITEADDRESS:
919 OLD PAGELAND MONROE ROAD
SITE TAX OR PIN #:
09093009J
DEVELOPER:
CYPRESS CREEK RENEWABLES
601 WEST MAIN STREET, SUITE A
CARRBORO, NORTH CAROLINA 27510
CONTACT.KEITH P. BILLY, P.E.
PHONE.' [phone]
DESIGNER:
COMMERCIAL SITE DESIGN, PLLC
8312 CREEDMOOR ROAD
RALEIGH, NORTH CAROLINA 27613
PHONE. [phone]
FAX.' [phone]
SITE AREA:
TRACT 1: 24.69 ACRES
TRACT 2. 25.25 ACRES
TOTAL: 49.94 ACRES
DISTURBED AREA:
31.23 ACRES
i
3 w P-0266
``��i IVOR11A ,d �
CARo
��Sl s�'•.�'9
[phone], FAX: [phone]
WWW.CSITEDE'SIGN.COM
C.1

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Q SANITARY SEWER MANHOLE SS SANITARY SEWER LINE
© SANITARY SEWER CLEANOUT G GAS LINE
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STORM DRAINAGE MANHOLE
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OVERHEAD UTILITIES
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`+ WETLANDS
GENERAL NOTES:
1. THE INFORMATION SHOWN HEREIN WAS TAKEN FROM AN ALTA/ACSM LAND TITLE SURVEY
PREPARED BY.•
FRONTIER LAND SURVEYING
1394 - B WALKUP AVENUE
MONROE, N.C. 28110
PHONE: [phone]
2. THE LOCATIONS OF ALL UTILITIES SHOWN ON THESE PLANS ARE BASED ON THE
AVAILABLE INFORMATION. THE CONTRACTOR SHALL VERIFY THE EXACT LOCATION OF
LINE TABLE
LINE
LENGTH
BEARING
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30.01
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L2
104.40
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L3
108.44
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L4
29.94
N82.03'05'E
L5
38.65
S64.00'14'E
L6
26.36
S65.07'44'E
L7
29.52
S66.44'57'E
L8
29.21
S68.08'30'E
L9
28.47
S69.55'11'E
L10
28.02
S72.57'12'E
L11
27.90
S75.30'14'E
L12
28.03
S77.33'03'E
L13
29.55
S80.28'28'E
L14
27.51
S82.33'42'E
L15
27.54
S84.45'03'E
L16
28.28
S86.47'35'E
L17
53.63
S88.46'18'E
L18
53.33
N89.40'16'E
L19
108.13
N89.06'23'E
L20
110.48
N89.43'47'E
L21
55.03
S89.15'22'E
L22
65.27
S87'13'43'E
L23
84.06
S84.44'47'E
L24
24.40
S06.13'44'W
L25
29.52
N85.29'21'E
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GENERAL NOTES:
1. THE INFORMATION SHOWN HEREIN WAS TAKEN FROM AN ALTA/ACSM LAND TITLE SURVEY
PREPARED BY:
FRONTIER LAND SURVEYING
1394 - B WALKUP AVENUE
MONROE, N.C. 28110
PHONE: [phone]
THE LOCATIONS OF ALL UTILITIES SHOWN ON THESE PLANS ARE BASED ON THE
AVAILABLE INFORMATION. THE CONTRACTOR SHALL VERIFY THE EXACT LOCATION OF
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SUMMERLIN GRADING/EROSION CONTROL NOTES: GRADING/EROSION CONTROL NOTES (cont.): GRADING/EROSION CONTROL NOTES (cont.):
DAIRY ROAD_
1. ALL GRADING, BACKFILLING, EXCAVATION, ETC..., SHALL BE IN ACCORDANCE WITH THE 8. ALL CONSTRUCTION TRAFFIC SHALL ENTER AND EXIT THE SITE VIA THE CONSTRUCTION 11. ALL CUT AND FILL SLOPES AND CHANNEL SIDESLOPES WHICH ARE NOT TO BE PAVED,
RECOMMENDATIONS SET FORTH IN THE GEOTECHNICAL INVESTIGATION REPORTS. ENTRANCES. SHALL BE SEEDED UNTIL A GOOD STAND OF GRASS IS OBTAINED IN ACCORDANCE WITH:
REFER TO THESE REPORTS FOR ADDITIONAL INFORMATION NOT TRANSFERRED TO A. 100 LBS PER 11000 SQUARE FOOT GROUND LIMESTONE OR EQUIVALENT. NO SOIL
THESE PLANS. 9. THE APPROXIMATE AREA OF THE LIMITS OF CLEARING, GRADING, AND CONSTRUCTION IS TEST REQUIRED FOR INITIAL ESTABLISHMENT.
31.23 ACRES. B. 20 LBS OF 10-10-10 FERTILIZER OR EQUIVALENT PER 1,000 SQUARE FOOT.
2. CONTRACTOR IS TO CONTACT NORTH CAROLINA "ONE CALL"AT 800-632-4949 FOR C. VARIETIES TO BE SEEDED:
OLD MONROE-MARSHVILLE ROAD UNDERGROUND UTILITY LOCATION 48 HOURS PRIOR TO ANY DIGGING. 10. PURSUANT TO G.S. 113A-57(2), THE ANGLE FOR GRADED SLOPES AND FILLS SHALL 1. SPRING SEEDING - MARCH 1 - APRIL 30, SPRING OATS 2.5 LBS PER 1,000 SQUARE
BE NO GREATER THAN THE ANGLE THAT CAN BE RETAINED BY VEGETATIVE COVER FOOT.
3. THE EROSION CONTROL MEASURES ARE TO BE IN PLACE PRIOR TO ANY EARTHWORK. OR OTHER ADEQUATE EROSION CONTROL DEVICES OR STRUCTURES. IN ANY 2. SUMMER SEEDING - MAY 1 - AUGUST 1; WEEPING LOVE GRASS AT 2 OZ. PER
SITE EVENT, SLOPES LEFT EXPOSED WILL, WITHIN 14 CALENDAR DAYS OF COMPLETION SQUARE FOOT MIXED WITH 1 BUSHEL OF SAWDUST FOR UNIFORM SEEDING.
m 4. ALL EROSION CONTROL MEASURES SHALL BE MAINTAINED UNTIL DISTURBED AREAS OF ANY PHASE OF GRADING, BE PLANTED OR OTHERWISE PROVIDED WITH 3. ASPHALT MULCH 6 GALLONS PER 1,000 SQUARE FOOT. ALL SEEDING WILL BE
ARE STABILIZED. TEMPORARY OR PERMANENT GROUND COVER, DEVICES, OR STRUCTURES MULCHED.
7Z jl SUFFICIENT TO RESTRAIN EROSION. PURSUANT TO G.S. 113A-57(3), PROVISIONS FOR
= v 5. ALL EROSION CONTROL FACILITIES SHALL BE INSPECTED AND REPAIRED AT A MINIMUM PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN EROSION MUST BE 12. UNLESS OTHERWISE SPECIFIED ON THESE PLANS, ALL STORM DRAINAGE PIPES ARE TO
OF WEEKLY BASIS AND AFTER EVERY RAIN EVENT. ACCOMPLISHED FOR ALL DISTURBED AREAS WITHIN 14 CALENDAR DAYS BE RCP CL. Ill.
\ FOLLOWING COMPLETION OF CONSTRUCTION OR DEVELOPMENT. r�
wZ ,I 6. ALL PAVED AREAS SHALL BE KEPT CLEAR OF EARTH MATERIALS AND DEBRIS. THE SITE 0
�O I I I SHALL BE MAINTAINED SO AS TO MINIMIZE SEDIMENT -LADEN RUNOFF. 00 00
vo 1 1 7. CONTRACTOR SHALL LOCATE AND VERIFY THE LOCATION OF ALL UTILITIES PRIOR TO a
1 1 1 BEGINNING CONSTRUCTION. , 0�
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CONSTRUCTION SEQUENCE: 1 \ /- _ / \ W z z W o W
THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT EROSION IS MINIMIZED AND THAT I : �� ♦ V \
COMPLIANCE WITH ALL APPLICABLE FEDERAL, STATE AND LOCAL LAWS, REGULATIONS AND
ORDINANCES IS MAINTAINED THROUGHOUT THE EXECUTION OF THIS PROJECT. IN
1. OBTAIN NCDENR LAND DISTURBANCE PERMIT AND SCHEDULE A PRE CONSTRUCTION 1 11 I I : v--� APpR`oI, y • \ �v0 / ' \ m
MEETING WITH NCDENR LAND QUALITY INSPECTOR. p\ w
2. INSTALL CONSTRUCTION ENTRANCE, AND WHEN COMPLETE, INSTALL THE PERIMETER I ' } " / S `REF TIpN \ 1 APpRp \ \ _
DITCHES. PROMPTLY LINE SILTFENCE. INSTALL TEMPORARY
AND DI CHES AND SEED SLOPEI S, DAMS AND 1 ) �� '�� S ` = \' ' VERSIONO -1 CINCHES EE E �pCgTi '
DITCHES. UPON COMPLETION OF INSTALLATION, SEED, MULCH, AND ANCHOR EROSION K �pERENN q
AND SEDIMENTATION CONTROL MEASURES.
3. BEGIN CLEARING AND ROUGH GRADING OF SITE. ALL EXCAVATIONS PERFORMED SHALL
BE BACK FILLED WITHIN THE SAME DAY, WITH SOIL PLACEMENT ON UPSLOPE SIDE. \ /// � i/��.-- � � Ogg
NOTE: CONTRACTOR SHALL INSPECT AND REPAIR ALL EROSION CONTROL DEVICES AT I 11!/ - I ` EARTH DAM
LEAST ONCE A WEEK AND AFTER EVERY RAINFALL. GRADING ACTIVITY SHALL BE ` � _ O 5' TOP WIDTH
PROHIBITED IN THE AREAS OF THE SEDIMENT CONTROL DEVICES/SKIMMER BASINS 1 / , I/ I \ \\ \ `` \
UNTIL THE AREAS UPSTREAM OF THESE DEVICES HAVE BEEN STABILIZED AND ( \ II I I ,„`- ` ` �� \\ 2:1 SIDESLOPES \
APPROVED. I \ N I / I /!h I /- \\ \` \ \ \x\� } - m _ n
I 11( II/ /_ \ \ \ - - \\ rip•)
4. BEGIN FINISHED GRADING, FILLING, AND COMPACTION OF SITE.
1 / I 1 TEMPORARY SILT FENCE
0 1 II l CLASS A"RIP RAP APRON OVER
5. INVERTER PAD GRADING AND TRENCHING WILL HAVE TEMPORARY GROUND COVER AT I I f -S �- \ \ \ \ \ \ 3y(5 s ��' GRAVEL OUTLET (typ.), FILTER FABRIC (typ.),
THE END OF EACH WORKDAY 1 I Ir' I III ! ( \ SEE DETAIL 5'L X 5'W X 14- THICK,
6. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION,
�� �" ♦\ , �INSTALL AT ALL 4" PVC OUTLETS
STONE BASE COURSE, ETC. ��46"
i
7. AFTER ESTABLISHMENT OF PERMANENT VEGETATION AND APPROVAL FROM NCDENR c0 Tv-3
LAND QUALITY INSPECTOR, REMOVE SILT FENCE AND ANY REMAINING EROSION I I I \ \ I I l 1 1 / 1 I \ 1 \ , `t' \ \ \ \ T -� I I / \ �� `= „
CONTROL MEASURES. `, I
III 11 � I I I
S II III I 6�1 l_
TEMPORARY SEEDING IN NORTH CAROLINA C0 o I IIII +/
SEEDING MIXTURE Q:�- / I
III I I
SPECIES RATE lb/acre Q- A\ I I 1 ) -I- r T I \ �I l x - TEMPORARY SKIMMER AND J r r
RYE (GRAIN) .` I I I I II _ / /7 / f / I I ! C E - \ } I I 1 (t 4" PVC @ 1.0% MIN., / ` TEMPORARY SKIMMER
jo ANNUAL LESPEDEZA KOBE I �I /// / /// I \ �, f I I z - �=` ` -_-_= = ~ _
�^^ { / a SEE DETAIL _ SEDIMENT BASIN WITH COIR
LATE WINTER & IN PIEDMONT AND COSTAL PLAIN, / V 1 I / //�/ / / / // ��'Qr ! I I "I { \ \ \ 1 1 I I I _ = i `
KOREAN IN MOUNTAINS \ I I I II I I j/ / // - O \ \ �� MESH BAFFLES (typ.),
EARLY SPRING III II�,, I I/ f/ ///// // / I ( ( l \ \ r ` I I J/ / j
N I I ! j I / f! / / `�- l \ _ \ . �l� ' -' - " ' " ~ = �19 ~ _ SEE DETAIL I
OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER rr t I / I I I / / I I \ \ \ ` \ ♦•'� ^ J I I / / / /// r • _ \ = _` ` \ ♦ I
TOP OF CUT SLOPE ♦ i
IS NOT TO EXTEND BEYOND JUNE. ` v
r�rp•) \ k
GERMAN MILLET
SUMMER IN THE PIEDMONT AND MOUNTAINS, A SMALL -STEMMED " / pI I f / % I ( ! III J / I I ( I , \ \ \ \ I , �r f , 1 \� \ \ ( / \
1� /Ill l)� / I I ! I 1 \ \ \ 11� <� \ \�
EROSION CONTROL LEGEND
,.
m
-"-IIIIII� SILT FENCE OUTLET
INLET PROTECTION
SF� SILT FENCE
TP� TREE PROTECTION FENCE
DIVERSION DITCH
I
O
LD LIMITS OF DISTURBANCE
a
� STORM PIPE
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CONSTRUCTION ENTRANCE
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MAINTENANCE NOTES:
IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED AND
MAINTAINED DAILYAND AFTER EACH RAINFALL GREATER THAN 0.5 INCHES. ANY SEDIMENT THAT
HAS BEEN TRANSPORTED BEYOND THE PROJECT LIMITS SHALL BE REMOVED. THE FOLLOWING
ITEMS WILL BE CHECKED IN PARTICULAR:
TEMPORARY CONSTRUCTION ENTRANCE.
INSPECT CONSTRUCTION ROADS AND PARKING AREAS PERIODICALLY FOR CONDITION OF
SURFACE. TOPDRESS WITH NEW GRAVEL AS NEEDED. CHECK ROAD DITCHES AND OTHER
SEEDED AREAS FOR EROSION AND SEDIMENTATION AFTER RUNOFF -PRODUCING RAINS.
MAINTAIN ALL VEGETATION IN A HEALTHY, VIGOROUS CONDITION. SEDIMENT PRODUCING AREAS
SHOULD BE TREATED IMMEDIATELY.
TEMPORARY SILT FENCE.
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK) AFTER EACH RAINFALL. MAKE ANY
SO4.39'48" W o
REQUIRED REPAIRS IMMEDIATELY. SHOULD THE FABRIC OF SEDIMENT FENCE COLLAPSE, TEAR,
263.88' �`
DECOMPOSE, OR BECOME INEFFECTIVE, REPLACE IT IMMEDIATELY. REMOVE SEDIMENT
DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND
TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING
CLEANOUT. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING
THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN
PROPERLY STABILIZED.
TEMPORARY SILT FENCE GRAVEL OUTLET:
INSPECT SEDIMENT FENCE GRAVEL OUTLETS AT LEAST ONCE A WEEK AND AFTER EACH
RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY. REMOVE SEDIMENT DEPOSITS AS
NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN. ANY RIP RAP
DISPLACED MUST BE REPLACED IMMEDIATELY.
TEMPORARY DIVERSIONS:
\
\
INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER
EVERY RAINFALL. IMMEDIATELY
REMOVE SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFULLY
CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED. WHEN THE AREA PROTECTED IS
PERMANENTLY STABILIZED, REMOVE THE RIDGE AND THE CGHANNEL TO BLEND WITH THE
NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT.
TEMPORARY SKIMMER BASIN. -
INSPECT TEMPORARY SKIMMER BASINS AT LEAST WEEKLYAND AFTER RAINFALL EVENTS 0.5
INCHES OR MORE. REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS
WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE HEIGHT OF THE FIRST BAFFLE
LIMITS OF
(PLACE THE SEDIMENT THAT IS REMOVED IN THE DESIGNATED DISPOAL AREA). PULL THE
DISTURBANCE (typ.)
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 BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE
TEMPORARY DIVERSION
SKIMMER.
BERM/DITCH (typ.),
SEE DETAIL
REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE BAFFLES IF THE WATER IS
FLOWING UNDERNEATH OR AROUND THEM.
TEMPORARY SILT
IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN, USUALLY JERKING
FENCE
ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND DISLODGE THE DEBRIS AND
TAIL,
SEE DETAIL
SUNDAGRASS MAYBE SUBSTITUTED ATA RATE OF 50 LB/ACRE. I f / i ! I I J / I ! I III 1 I I I �\ Z l ' \ \ �'� 1 5 e 0 \ l \ \ \ \ \ \ \ \ \ Z� „h _ -egg -_ \ - -) I I p
lb / / ! I i I i o f I \ \ '''% / / / lL\\ O11\\\ 1 I - - \\\ \ \ \ \ 1 a 1
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FALL RYE (GRAIN) 10 ♦ 4 1 \ \ \ `\
. 1 ) l \ \1
SEEDING DATES: 0 V7
0 /�// 7//rl/f fv g6fl 1 \ \ \ \ to
MOUNTAINS -ABOVE 2500 ft.'FEB. 15 -MAY 15 //� //f, / m 1 \ \ \ , O� \ J \ \ \, \ \ ` \ 1 { \ \ \ \ } \ \ \ I I I I I I I I I l I I
EARLY SPRING PIEDMONT - JAN. O MAY 1 ft. FEB. 1 -MAY 1 ! f 1 /`,t } I I l 1-
COASTAL PLAIN -DEC. 1-APR. 15 1 1 \ I^, \ \ \ \ ,
I l vas / / 1 \ t
MOUNTAINS - MAY 15 - AUG. 15 TEMPORARY , / /� �, / / / / / / / / \ , \ \ \ \ \ } ` \ SKy4
SUMMER PIEDMONT - MAY 1-AUG. 15 CONSTRUCTION / / 1 ♦� \ I ( I ) 1 �/ p c� 1 co I i i ' t I I ( I \ / i
TRAFFIC / / / / / / / / f 1 t ` l \ °'' u \� t �" I \ 1 / S I E AS
COASTAL PLAIN - APR. 15 - AUG. 15 C /\\, •.4�`0 // / / \ \ \ { I I I I ' \ \ O I I 1 I I I \ \ \ ./ { /
MOUNTAINS - AUG. 15 - DEC. 15 BARRICADE i� // / / / / J \ \ \ \ r I \ \ \ `\, % �) I I I \ \ \ 1 / RAIN G ARLI ( )
FALL COASTAL PLAIN AND PIEDMONT - AUG. 15 - DEC.30 /� �\ \\\ ?c / / / / / W 1 \ \ ` \ \ ` ` ` \ \ r \� I I I I 1' I I I / / /
/ / / / / / �5� /, / / Q 1 \ \ \ \ �r, \ \ SDI ENT 8 SIN \ \ \ \ \ \ / \ \ I I {III \' \ i I' , \ \ / /
/ / / / , #4A EA EA r ) \ \ \ \ / ,- \ t \ \ \ \ 1 l 1 t \ \ / / J / / / /� / / / r r / x
SOIL AMENDMENTS / --� I
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY Z000 LBS/ACRE GROUND \ \ I X I / / / 1 \
AGRICULTURAL LIMESTONE AND 750 LBS/ACRE 10-10-10 FERTILIZER / /\ \ 5 5 1 / / / / / j / f per\ \ \ \ \ \ \ , \ \ \ \ \ \ \ \ ✓ / , / / �" \ �3 \�\ 1 1 \ 1 t \ >r 1 l \ \ \ / / / / / / / / I
MULCH / /lam \ I j / f/ / �/ / j / / / / ° �' \ \ \ \ \ \ 1 \ \ \ \ \ \ `` y�� / '� 1 ' 1 1 \ 1 l ` 1 t 1 \ / / / A!n G�`RES / / I X o I
APPLY 4,000 LBS/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, / p I A , I I j % / / / \ \ \ \ \ \ \ \ \ \ / \ �\ \ \ '' t { ` l \ \ 1 / / / / / / \ 565 \� M�
NETTING OR A MULCH ANCHORING TOOL. A DISK WITH BLADES SET NEARLY / / I/ \ •I I / / / \ { 1 ` , \ \ 1 �p
STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL f /� ( / > � ``� `• I t I I I f / / / i l 1 \ \ \ \ \ \ -_ \ f Tt�s \ � \ \ l 1 11 1 \ \ 1 / `' / < < <
MAINTENANCE / y` GN \ `\I I ( I I I I 3" /A(fI'CC�J / 1 \ \ \\\\\\ \ \\\\ &2 \ \ \ \ \ 1 / \ \\ \ `1 1 \ \ 1 \ \ 1 / iIf \ \ \ \�
REFERTILIZE IF GROWTH IS NOT FULLYADEQUATE. RESEED, `� ' . < I I I I / ' \ \ \ \ ` \ \ / \ \ \ 1 1 \ TEMPORARY GRAVEL L
REFERTILIZE AND MULCH IMMEDIATELYFOLLOWING EROSION I \ ` I I I / 1 \ \ \ \ \ \ \ \ \ \ \ \ \ / / \ \ \ / \ \ v-' �� \ \ Z m
\ '� I I I ( \ \ Rf+ ` ,TEMPORARY
ENTRANCE � � \
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 ARM 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 AND
REPLACE THE ORIFICE BEFORE REPOSITIONING THE SKIMMER.
o oo
CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRD REPAIRS WITH
FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY. CHECK THE EMBANKMENT, SPILLWAYS,
100
AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE EMBANKMENT FOR PIPING AND
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SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY. REMOVE ALL TRASH AND OTHE
M 0-
DEBRIS FROM THE SKIMMER AND POOL AREAS.
TEMPORARY COIR MESH BAFFLES
Q wofu
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INSPECT BAFFLES AT LEAST ONCE A WEEK AFTER EACH RAINFALL. MAKE ANY REQUIRED
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REPAIRS IMMEDIATELY.
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ALL BAFFLES SHALL BE SECURELY BURIED INTO SIDESLOPES OF BASIN.
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BE SURE TO MAINTAIN ACCESS TO BAFFLES. SHOULD THE FABRIC OF A BAFFLE COLLAPSE, TEAR,
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DECOMPOSE, OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
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REMOVE SEDIMENT DEPOSITS WHEN IT REACHES HALF FULL TO PROVIDE ADEQUATE STORAGE
w z z w 00 w
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.
OR OTHER DAMAGE. I I / / ^ \ '� \ \ \ sys 11 I i I j I I / ` j \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ �S, / / \ ! \ \\ I I S SEE DETAIL { �p \ ma`s {s� \ \ \ \ AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL
\ \ ems'\ BAFFLE MATERIALS AND UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND
I� J STABILIZE IT. i
�\ 1\t I I { I 1 \ \ \ \ \ \ \ \ s \ I I I I I I I / PERMANENT DRIVE \ \
� .1� ` 1 ENTRANCE, SEE DETAIL �
/ I -.,.. -- '\. � �. o�'s \� -- = � f ` t � ' 1 / / / 1 1 1 \ \ \ \ \ \\ \ \ \ \ \ \ �� �'\ � / \ \ \ \ \ ��\\ �1„11 t � 1 I I 1) I l / / ��� _ �.% �•�"=-- �- -
/ � --� � � �. ► I � � , � , \ � / 1 \ \ \ �� \/ / , � 1 ! a I, 1, I L- � -
/ TEMPORARY GRAVEL
\ \ \ \ • v 1 \ CONSTRUCTION ENTRANCE, / / \ \ \ \ -
N/F ; , • { I I ! 0 \ \ \ C\ \ ` SEE DETAIL �\ `/�\
Gv ROCK REST COMMUNITY CENTER \ \ \ \ 6 I I I / / \ \ \ \ \ \ / / / \ \ \ IL - _ ®a@varaaaaeaaatrr����� --
I I I I \ \ \ 1 \ ram, /W /'/f �� .......•.
/ D.B. 93, PG.' 450 • DO NOT DISTURB i w 1 \ ` , 1 \ `�s' \ / c-- �� /// i _ _ �.�®� Gii�� 1;;� 'l" •.
WETLANDS L• / I WETLANDS 1 t PERMANENT DRIVE { - - �� ►� �I__ f _ ,J m� h O p� , ° CAR()
rs� I r / /' /��
/ PARCEL ID: 09090006 ` \ r ' I / � 1 1 � ENTRANCE, SEE DETAIL � � \ s to D � � •
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SKIMMER SEDIMENT BASIN DESIGN
SKIMMER SEDIMENT BASIN DESIGN 1
SKIMMER SEDIMENT BASIN EFFICIENCY
SKIMMER
BASIN
NUMBER
DISTURBED
DRAINAGE
AREA
DISTURBED
DRAINAGE
AREA
REQUIRED
VOLUME
(1800 CF/AC)
DEPTH**
(2 FT. MIN.)
WIDTH*
LENGTH*
VOLUME
PROVIDED
RUNOFF
COEFFICIENT
RAINFALL
INTENSITY
FLOW Q10
REQUIRED
SURFACE
AREA
(325 SF/CFS)
AREA
PROVIDED
SIZE***
ORIFICE
DIAMETER
TOP OF
DAM ELEV.
10-YR
W.S.E.
FREEBOARD
SPILLWAY
ELEV.
FLOOR
ELEV.
SPILLWAY
WIDTH
DAM TOP
WIDTH
(SF)
(AC)
(CF)
(FT)
(FT) {
(FT)
(CF)
(IN/HR)
(CFS)
(SF)
(SF)
(IN)
(IN)
(FT)
(FT.)
(FT.)
(FT.)
(FT.)
(FT.)
(FT.)
SK-1
174,240
4.0
7,200
2.0
35
120
8,400
0.40
7.80
12.5
4,063
4,200
2.0
1.8
568.5
567.4
1.1
567.0
565.0
15
5.0
SK-2
139,392
3.2
5,760
2.0
30
110
6,600
0.40
7.80
10.0
3,250
3,300
2.0
1.6
55&0
556.9
1.1
556.5
554.5
12
5.0
SK-3
196,020
4.5
8,100
2.0
40
120
9,600
0.40
7.80
14.1
4,582
4,800
2.0
1.9
558.0
556.9
1.1
556.5
554.5
18
5.0
SK-4
357,192
8.2
14,760
2.0
50 1
170
17,000
0.40
7.80
25.6
8,320
8,500
2.5
2.4
562.5
561.4
1.1
561.0
559.0
30
5.0
SK-5
261,360
6.0
10,800
2.0
40 1
160
12,800
0.40
7.80
18.7
6,077
6,400
2.5
2.1
555.5
554.4
1.1
554.0
552.0
25
5.0
SK-6
130,680
3.0
5,400
2.0
30 1
105
6,300
0.40
7.80
9.4
3,055
3,150
2.0
1.5
566.5
565.4
1.1
565.0
563.0
12
5.0
*SKIMMER BASIN DIMENSIONS REPRESENT BOTTOM DIMENSIONS AND ARE MINIMUMS WHICH CAN BE EXCEEDED.
**DEPTH BELOW EMERGENCY SPILLWAY
***SKIMMER SIZED PER SIZING CALCULATOR AT WWW.FAIRCLOTHSKIMMER.COM AT DRAWDOWN RATE OF 72 HOURS.
PROVIDE 7-DAY GROUND
STABILIZATION FOR TEMPORARY
DIVERSION DITCHES AND INTERIOR
SLOPES OF SKIMMER BASIL.
GRID (XAD as)
GRAPHIC SCALE
100 0 50 100 200
1 inch = 100 ft.
TEMPORARY
DIVERSION
BERM DITCH LINER CALCULATIONS
C
I(10)
A
Q(10)
TEMPORARY
RUNOFF
10-YR
DRAINAGE
FLOW
BASE
LEFT
RIGHT
CHANNEL
CHANNEL
FLOW
FREEBOARD
SHEAR
VELOCITY
MANNINGS
TEMPORARY
DIVERSION
COEF.
RAINFALL
AREA
WIDTH
SIDESLOPE
SIDESLOPE
DEPTH
SLOPE
DEPTH
STRESS
"n"
LINER
DITCH NAME
INTENSITY
i
(IN/HR)
(ACRES)
(CFS)
(FT)
(FT)
(FT/FT)
(FT)
(FT)
(LB/SF)
(FT/SEC)
j
i
TD-1
0.40
7.80
0.5
1.56
2.0
2:1
2:1
1.5
0.03
0.2
1.3
0.4
4.3
0.018
STRAW BLANKET
TD-2
0.40
7.80
1.0
3.12
2.0
2:1
2:1
1.5
0.01
0.4
1.1
0.2
3.6
0.018
STRAW BLANKET
TD-3
0.40
7.80
1.0
3.12
2.0
1 2:1
2:1
1.5
0.01
0.4
1.1
0.2
3.7
0.018
STRAW BLANKET
TD-4
0.40
7.80
1.0
3.12
2.0
2:1
2:1
1.5
0.01
0.4
1.1
0.2
3.7
! 0.018
STRAW BLANKET
TD-5
0.40
7.80
4.0
12.48
2.0
2:1
2:1
1.5
0.02
0.6
0.9
0.8
6.5
0.018
STRAW BLANKET
TD-6
0.40
7.80
0.5
1.56
2.0
2:1
2:1
1.5
0.01
0.3
1.2
0.2
3.1
0.018
STRAW BLANKET
TD-7
0.40
7.80
0.5
1.56
2.0
2:1
2:1
1.5
0.01
0.3
1.2
0.2
3.1
0.018
STRAW BLANKET
TD-8
0.40
7.80
2.0
6.24
2.0
2:1
2:1
1.5
0.01
0.5
1.0
0.3
4.1
0.018
STRAW BLANKET
TD-9
1 0.40
7.80
0.5
1.56
2.0
2:1
2:1
1.5
0.03
0.2
1.3
0.4
4.3
0.018
STRAW BLANKET
TD-10
0.40
7.80
2.0
6.24
2.0
2:1
2:1
1.5
0.03
0.4
1.1
0.7
6.3
0.018
STRAW BLANKET
*TEMPORARY STRAW WITH NET LINER TO BE NORTH AMERICAN GREEN C125BN EROSION CONTROL BLANKET OR APPROVED EQUIVALENT.
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NO.
CCR-1504
CCR1504-ECP
STH
0313112015
C-4

I
6' MAX- WITHOUT WIRE
8'MAX. WITH WIRE STEEL FENCE POST a
Practice Standards and Specifications
VARIABLE AS DIRECTED BY THE ENGINEER iWIRE FENCE �
m
HARDWARE CLOTH Construction 1. Clear, grub, and strip the area under the embankment of all vegetation and
root mat. Remove all surface soil containing high amounts of organic matter 9. Erosion control —Construct the structure so that the disturbed area is
Specifications and stockpile or dispose of it properly. Haul all objectionable material to the minimized. Divert surface water away from bare areas. Complete the -'
before the area is cleared. Stabilize the emergency it MIN. 12-1/2 GA. � designated disposal area. Place temporary sediment control measures below embankmentgency spillway
INTERMEDIATE FILTER OF 1" DIA. WASHED STONE basin as needed embankment and all other disturbed areas above the crest of the principal
MIN. 10 GA. WIRES FILTER FABRIC iv � spillway immediately after construction (References: Surface Stabilization).
LINE WIRES SIL7 EEY2 7 FARR ON GROUND 2. Ensure that fill material for the embankment is free of roots, woodyys
ws LLEL TO SE 3OND vegetation, organic matter, and other objectionable material. Place the fill in 10. Install porous baffles as specified in Practice 6.65, Porous Baffles,
wIR FRO I TOP lifts motto exceed 9 inches, and machine compact it. Over fill the embankment
Z
11. After all the sediment -producing areas have been permanently stabilized,' ' O
6 inches to allow for settlement. P g P Y
remove the structure and all the unstable sediment. Smooth the area to
GRADE 3. Shape the basin to the specified dimensions, Prevent the skimmingdevice -*, Z
blend with the adjoining areas and stabilize properly (References: Surface Inlet 3 , ` � f�:x:Cutlet
CIO
SECTION BURY WIRE FENCE AND from settling into the mud by excavating a shallow pit under the skimmer or Stabilization). O U
HARDWARE CLOTH providing a low support under the skimmer of stone or timber.COO ,7 CO
W
4. Place the barrel (typically 4-inch Schedule 46 PVC pipe) on a firm, smooth Q
foundation of impervious soil. Do not use pervious material such as sand, Maintenance Inspect skimmer sediment basins at least weekly and after each significant
,.
gravel, or crushed stone as backfill around the pipe. Place the fill material (one-half inch or greater) rainfall event and repair immediately. Remove `_ w
around the pipe spillway in 4-inch layers and sediment and compact it under and around restore the basin to its original dim P P sP a9dimensions w Yhen sediment
' P
FILTER OF 1 DIA. the pipe to at least the same density as the adjacent embankment. Care must accumulates to one-half the height of the first baffle. Pull the skimmer to
FRONT VIEW WASHED STONE be taken not to raise the pipe from the firm contact with its foundation when one side so that the sediment underneath it can be excavated. Excavate the
NOTE.'
compacting under the pipe haunches. sediment from the entire basin, not just around the skimmer or the first cell.
Place a minimum depth of 2 feet of compacted backfill over the pipe spillway Make sure vegetation growing in the bottom of the basin does not hold down Figure 6.65a Porous baffles in a sediment basin. The flow is distributed evenly I across the basin to reduce
DOES NOT EXCEED •
W
-USE SILT FENCE ONLY WHEN ORAINAGEARE STEEL POST P P before crossing it with construction equipment. In no case should the pipe the Skimmer. flow rates and turbulence, resulting in greater sediment retention.
AREAS OF CONCENTRR ACRE AND NEVER IN conduit be installed by cutting a trench through the dam after the embankment�ATED FLOW WOVEN WIRE FABRIC
SILT FENCE FABRIC
Repair the Q baffles ' tf the are - damaged.
is con Re anchor fete. the baffl
es if wate
r is P Baffles
need to Y in P $ be install
ed correctly
e 1 in order full provide
Y their YP
etr benefits.
• flowing und
erneath Refer t or around Them. r o Fig
ure
ur 6.65 b and
the following
o ui 8 ke oft
5.g Y
n s.
Assemble
theP skimmer fol
lowing the manuf • FOR manufacturers ' REPAIR OF IL instructions,
SILT g one, or as
T FENCE FAILURES USE 3' •-•' designed, The battle material needs to be secu
red ured t the bottom and sides rein
ti F
If
o ILL SLOPE
the skimmer is clogged with trash and g
there is water in the basin u . � usually No 5 WASHED
O S STONE. gg
: Y
st
aples 1 es or b tren
ching as for i s It fenc
e.
ce.
ib
6. La e
Y g
3 FOR the assembled ' ANCHOR WHEN I N SILT skimmer on T the bot
tom of the basin
with jerkin o Y the flexible n the 1 rope wil
l make the skim
mer bob
u and down an
d dislodge O r jerking e
FENCE IS PROTECTING Pe
P g
2 TNG
join
t nt at the i SILT FENCE inlet of the Most barrel i of the . Ali sediment
Attach the flexible meet w' - ble joint �11 a Z to the cc J barrel i umul the ate in t e debris he t pipe. s and r firs restore flow. ba J If this d so this
does not work, s pipe pull the skimmer v should be e' r over to > k,
Y
CATCH' BASIN. P
� �"� �• . GRADE • • • ••• ••. • • • •a •. and position the skimmer over the excavated pit or support. Be sure to attach the side of the basin and remove the debris. Also check the orifice inside the readily accessible for maintenance.
END OF a rope to the skimmer and anchor it to the side of the basin. This will be used skimmer to see if it is clogged; if so remove the debris.
PLAN VIEW FILTER FABRIC to pull the skimmer to the side for maintenance.
sP' y spillway in undisturbed soil to the greatest If the skimmer arm or barrel pipe is clogged, the orifice can be removed and Support rope Support post,
a"MIN. COVER 7. Earthen tllwa s—Install the tllw
NOVER SKIRT • extent possible. The achievement of planned elevations, grade, design width, the obstruction cleared with a plumber's snake or by flushing with water. Be to wire to pre- 24"into bottom
vent sagging or side Stake to support
ANCHOR SKIRT AS 4' MIN. and entrance and exit channel slopes are critical to the successful operation sure and replace the orifice before repositioning the skimmer. wire
DIRECTED BY ENGINEER' of the spillway. The spillway should be lined with laminated plastic or
impermeable geotextile fabric. The fabric must be wide and long enough to Check the fabric lined spillway for damage and make any required repairs
cover the bottom and sides and extend onto the top of the dam for anchoring with fabric That spans the full width of the spillway. Check the embankment, Q
MAINTENANCE.'
SIDE VIEW in a trench. The edges may be secured with 8-inch staples or pins. The fabric spillways, and outlet for erosion damage, and inspect the embankment for {V�
must be longenough to extend down the sloe and exit onto stable piping and settlement. Make all noes Z
P ground p p g sary repairs immediately. Remove all
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY The width of the fabric must be one piece, not joined or spliced, otherwise trash and other debris from the skimmer and I areas. E x ^ —
REQUIRED REPAIRS IMMEDIATELY. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, TOP OF SILT FENCE J' `� F°O o.
MUST BE AT LEAST water can get under the fabric. If the length of the fabric is insufficient for the O tit
DECOMPOSE, OR BECOME INEFFECTIVE, REPLACE IT IMMEDIATELY. REMOVE SEDIMENT DEPOSITS AS 1' ABOVE THE TOP entire ten of the illwa multi le section spanning the complete width, Freezing weather can result in ice forming in the basin. Some special Coir mesh or similar, stapled or �� W
$� spillway, P P g P P�
NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE OF THE WASHED A M,may he used The upper sections) should overlap the lower section(s) so precautions should be taken in the winter to prevent the skimmer from trenched into bottom or side
PRESSURE ON THE FENCE. REMOVE SEDIMENT WHEN IT REACHES 1/2 HEIGHT OF THE FENCE. TAKE STONE that water cannot flow under the fabric. Secure the upper edge and sides plugging with ice. � ((,, ( U.
CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT. REMOVE ALL FENCING MATERIALS AND of the fabric in a trench with staples or pins. (Adapted from "A Manual for ii•iV W
UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE Designing, Installing and Maintaining Skimmer Sediment Basins." Fe ® C
CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED. 1999. J. W. Faircloth & Son.). bnany, flows through the affle mtaterial porous baffle in a sediment basin. Note that there is no weir because the water
8. Inlets —Discharge water into the basin in a manner to prevent erosion. Use
STANDARD TEMPORARY SILT FENCE STEEL FENCE POST temporary slope drains or diversions with outlet protection to divert sediment-
SET MAX. 2' APART aAND laden water to the upper end of the pool area to improve basin trap efficiency 6.65.2 /gl\
v
BURY WIRE FENCE, FILTER (References: Runoff Control Measures and Outlet Protection). Bev. 6ro6
FRONT VIEW CLOTH IN TRENCH HARDWARE )
MAINTENANCE TEMPORARY COIR MESH BAFFLE'DETAIL
NOTES: I. THE STRUCTURE SHALL BE INSPECTED AFTER EACH RAINFALL AND REPAIRS MADE AS NEEDED. _ _ (N. T. S.)
1. PUT SILT FENCE OR TREE PROTECT ION FENCE UP 2. SEDIMENT SHALL BE REMOVED AND THE TRAP RESTORED TO ITS ORIGINAL DIMENSIONS WHEN TEMPORARY SKIMMER BASIN CONSTRUCTION AND MAINTENANCE Arm Assembly
TO ENSURE CONSTRUCTION ENTRANCE IS USED. THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE DESIGN DEPTH OF THE TRAP. REMOVED SEDIMENT SHALL BE DEPOSITED IN A SUITABLE AREA AND IN SUCH A MANNER THAT IT WILL NOT
2. IF CONSTRUCTION ON THE SITES ARE SUCH HAT ERODE.
THE MUD IS NOT REMOVED BY THE VEHICLE TRAVEL- 3. STRUCTURE SHALL BE REMOVED AND THE AREA STABILIZED WHEN THE REMAINING DRAINAGE ING OVER THE STONE, THEN THE TIRES OF THE AREA HAS BEEN PROPERLY STABILIZED. "C" Enclosure Z
Q =
VEHICLES MUST BE WASHED BEFORE ENTERING THE 4. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY Q = PUBLIC ROAD.
�' REQUIRED REPAIRS IMMEDIATELY. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, % O 0
DECOMPOSE, OR BECOME INEFFECTIVE, REPLACE IT IMMEDIATELY, REMOVE SEDIMENT DEPOSITS Water Entry =
AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE PERSPECTIVE VIEW Unit l _
70' MIN. PRESSURE ON THE FENCE. REMOVE SEDIMENT WHEN IT REACHES 112 HEIGHT OF THE FENCE. 0O
TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT. REMOVE ALL FENCING en
BUT SUFFICIENT TO KEEP MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE PVC End PVC VtCap PVC Elbow pipe Schedule 40 ® Z
SEDIMENT ON SITE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED. PVC Pipe UJ _
TEMPORARY SILT FENCE GRAVEL OUTLET Water Surface
..2"-3" STONE TO BE USED.`•,:.'.' :: ' ::; ' li T. S.)
PVC End
EXISTING 25 OR WIDTH OF
��
`; (SURGE STONE OR RAILROAD ;•'' PROPOSED STREET, 7 Cap
ROADWAY :.> t: �' "' BALLAST) WHICHEVER IS Schedule 40
>: •<•
GREATER. PVC Pipe PVC Pipe
,? ,•., ' 2- MIN. PVC Tee 2 I PVC Tee Orifice
"Hoes in
Underside Flexible Plate
Hose
PLAN STEEP CUT OR FILL SLOPE ------------- --- 18" O O
P
Bottom Surface
N
NEWCONSTRUCTION
2 : 1 SLOPE (MAXIMUM) END VIEW FRONT VIEW co
W Q
EXISTING ROADWAY 35' MIN. 15' MIN.
-STABILIZE DIVERSION DITCH WITH JTEMPORARY I Z
.. •• CROSS SECTION
CONTROLNIETTINGNG AND EROSION 0
2 MI - - - - - - - - - - Z W
1 N.
6" MIN. °�: e° . ' . ' ' :.:..:,..;..:.:::' . ' .: ' :: J.:'` :.::'. ;..:,>: •::'. `'::.: `:.'•..t:" --y." •;, •:00
W W U M
UPSLOPE TOE POSITIVE GRADE (1.096 MINIMUM) TEMPORARY SKIMMER DETAILI.M
O
2' MINIMUM (N.T.S.)-4��w
Y p
FABRIC UNDER STONE SIDE SLOPES W Z t�
2: 1 (MAXIMUM) W Q Z
CROSS SECTION ' ���� ���� �� ��� ���� ��� ��� ��� U p
���� �1�� ���� �� ���� ���� ��� O
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE "I 0. .
wwQmw
�_
NOTES: j STEEP CUT OR FILL SLOPE Q10
=
1. TIEBACK ALLOTHER GRADED SLOPES AT 3:1 MAXIMUM.
U U co tq U a
2. SEED AND LINE ALL SLOPES AND DITCHES WITH JUTE PLAN VIEW
NETTING FOR ANY DISTURBED AREAS.
MAINTENANCE:
EXISTING DITCH 50' MIN. INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY Q
(typ•) 10'R PROVIDE 5' MINIMUM GRASS ? RAINFALL. IMMEDIATELY REMOVE SEDIMENT FROM THE FLOW AREA AND CK
SHOULDER AT 8% MAXIMUM SLOPE. REPAIR THE DIVERSION RIDGE CAREFULLY CHECK OUTLETS AND MAKE : Plan ViewUz
TIMELY REPAIRS AS NEEDED. WHEN THE AREA PROTECTED IS PERMANENTLY
` STABILIZED, REMOVE THE RIDGE AND THE CHANNEL TO BLEND WITH THE
Q •: ' .< •,.,. ,:,:I •• -•F : • ;: "'.; i NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT. J
! ,':: ':: •: " TH 20' OR WIDTH OF +. W
• 6 /CK (MIN.) #57 OR `.:.::: •; :,:..
�� k6"'`• ° PROPOSED GRAVEL ROAD,
#s7�sTONE WHICHEVER is GREATER. TEMPORARY DIVERSION DITCH O (�
Inflow (%)
structure
INSTALL 15" RCP @ 0.50% MINIMUM SLOPE W
WITH TYPE I BEDDING PER NCDOT STD. , '' E O O O
310.10 (PROVIDE 30" MINIMUM COVER FOR PROVIDE 5' MINIMUM Z Table 6.11 h w J
Z
CLASS III RCP, OTHERWISE USE CLASS IV 10'R GRASS SHOULDER AT 8% g Seeding No. 6M for: Gentle Seeding mixture as r _ "'
RCP). TAIL DITCH TO DAYLIGHT AT 0.50% MAXIMUM SLOPE "' S"s, Sun or Semii-shade; Specieet Rate (Ib/aere) s 4 z Q
MINIMUM SLOPE. High -maintenance, Tall fescue blend (equal parts ofBaffle O Z C(
Minlmum-care Lawns two or preferably three turf -type O
INSTALL 101 X 6'WX 22" THICK RIP RAP tall fescuel 200-250
APRON AT DOWNSTREAM END OF PIPE
LU
(UNDERLAYAPRONWITHFILTER FABRIC) l PLAN f l
,.��o is 3 �I � � � � � � � ' 1J'1,, U Q
1 : x ` I `� _� �T� �, � � � Emergency W 1 Earthen t z
Se
eding 1 date
s eta
g
Embankment _ '� spillway
Bean Poss�le
I
-- I Aiiti a ,.� ,� i i
Sept. i Below 2July
B ow 500 ft: Aug.Au .15 Sept.S . 1
tip
- _ Average * '�� !T t yam
r e ��.. _ Area S m m fl Mar. i
IiIE 41li�ll'�l
Mar. 1 .1 .1 10 � �� �'i 9
1 Width W .� °,c GSA' Above 2500 ft: July 2 5 July 15 -Aug. . C s �N
PROPOSED GRAVEL ROAD ti 5 -Aug ly g. 30 4 .• 't
NEW r.
® �. W
CONSTRUCTION Mar. 20 - 20 Mar. 5 - May 15
EXISTING ROADWAY $0' MIN. air Area of basin water surface at O oa ,, o c n - JPC
Sail amendments
top of principal spillway elevation Baffles r„} Y;� P-Ot36 v z
O
� lime and fertilizer according to soil tests or 4 000 Ib/acre =- - a ��� �`��''e ���
Af+PIY n9 aPPti � - 14 l'°'�.,,� a,.. �j• 0®
2% SLOPE t 2% - 5% SLOPE ground agricultural limestone and 1,200 Ib✓acxe 10-10-10 fertilizer. �Po®``<C •,Ty,
r P �
:..• is •.ry.••;• a..:•• '_` Outlet;Class ®t•'iP' yOR1HS�®`
i q :4 • ; . t :.:� : 6" MIN. % I ri ra 35%onl� Tare face area ®��88Oniiii!ltlt���
MuICh f
t Apply 3,000-4A000 Ib/acre grain straw or equivalent cover of another Inflow Baffles T Freeboard Embankment
COMPACT TOP 12" OF 30 MIN. CLASS Ill RCP
SUBGRADE TO 95% 12" MIN. CLASS IV RCP suitable mulch. Anchor mulch by tacking with asphalt, roving, or nettingor structure / �s¢ Iwo
F[rsfChamber `-�e�,, O
STD. PROCTOR (typ.). ( ) FABRIC UNDER STONE : •_ �••� "�/ ++r.
by rolling and watering. 25%of surface area I b +
6" (min.) #57 OR #67 ♦ ,q�
• ' ":• ; Y' ' • PROJECT NO.
Maintenance Seeotid.Ghnmber a:, •• CCR-1504
WASHED STONE �'
25%of surface area watering ,� .:
15"RCP The bunch -type habit of tail fescue restricts its spread into damaged areas. zone 6" min. invert elevation of ; • HR. 91?�1�L`.'i !; FILENAME: CCR1504-DTL 1
Reseed bare spots in the fall Refertilize annually in fate winter and again outletzane . emergency spillway 2
in fall. Reseed fertilize and mulch damaged areas immediately. t°9 «f �urfaareit .. , !t DRAWN ev
Filter fabric O
CROSS SECTION ' ' p n y �A ,`? 1. ° ; SCALE: STH
9 Refer to Appendix &02for botanical names r .. N. T,S.
TYPICAL PERMANENT DRIVE ENTRANCE DETAIL Sediment Cross -Section +�**•,;t i• � �°� : ' DATE.
Figure 6.69e Example of porous baffle using sit fence with'siits cut n each attema storage Zone easaaa s•,�� 03/31/2015
hog space of wire backing fence. (City of High Point, NC detail.) View
(n.t. s.) PERMANENT SEEDING SCHEDULE
TEMPORARY SKIMMER BASIN BAFFLE PLACEMENT TEMPORARY SKIMMER SEDIMENT BASIN SHEET NO.
(N. T. SJ C-5
(N. T. S.)