HomeMy WebLinkAboutSW6220602_Plansheet (C-6.0) - Misc. Detail_20220915VARIES 6' 20' 6'
1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT
(SWALE) (SHOULDER) (SHOULDER)
STRUCTURAL EROSION AND SEDIMENT CONTROL MEASURES SHALL CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING
BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL
10' 10'
MINIMUM STANDARDS AND SPECIFICATIONS OF THE NORTH STABILIZATION IS ACHIEVED.
CAROLINA EROSION AND SEDIMENT CONTROL HANDBOOK.
FINISH GRADE S9.5B
8. ALL AREAS DISTURBED BY CONSTRUCTION UNLESS OTHERWISE
2. THE CONTRACTOR SHALL NOTIFY PLAN APPROVING AUTHORITY IMPROVED SHALL BE SODDED OR SEEDED AS INDICATED AND
5
ONE WEEK PRIOR TO THE PRECONSTRUCTION CONFERENCE, ONE STABILIZED.
Q
WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING
U
o CARRY BASE COURSE 6"
ACTIVITY, AND ONE WEEK PRIOR TO FINAL INSPECTION. 9. DURING DEWATERING OPERATIONS, WATER SHALL BE PUMPED
.5'
INTO AN APPROVED FILTERING DEVICE PRIOR TO DISCHARGE TO
BEYOND SURFACE COURSE 2% 2%
3. IF POSSIBLE ALL EROSION AND SEDIMENT CONTROL MEASURES RECEIVING OUTLET.
O 8% 8%
ARE TO BE PLACED PRIOR TO CLEARING AND/OR LAND DISTURBANCE.
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10. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL
III
4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL MEASURES WEEKLY AND AFTER EACH RUNOFF -PRODUCING EVENT.
PLAN AND PERMIT SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ANY NECESSARY INTAIN THE
OR CLEANUP TOTHE
THIS IS FOR
\/\///`
EFECTIVENESS OFEPAIRS
EROSON CONTROL DEVICES SHALL BE
/// \//\/\/ \/\//\//\R/111�1/�/r
FILL SECTION
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5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS MADE IMMEDIATELY.
OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT
/ j 1
LIMITED TO OFF -SITE BORROW OR WASTE AREAS, STAGING OR 11. ALL TEMPORARY EROSION CONTROL MEASURES SHALL BE
\\
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STORAGE SHALL PREPARE AND REMOVED BY OHASBEEN RSTABILIZATION ONCE
ICON
3 3 \\\//�\��\�j�/� GEOTECHNICAL ENGINEER SHOULD BE 3
\
CONTROL PLAN TO THE OWNER FORCTOR
A PPLEMENTARY EROSION GROUND COVER ESTABLISHEDOR AS DIRECTED BY THE
COMPACTED CONSULTED TO DETERMINE DEPTH OF ABC \\/\\j \
/ /
SUBGRADE NEEDED TO MEET NCDOT REQUIREMENTS \�\/\
\\//\\/�\//
8" COMPACTED
REVIEW AND TO NCDENR REGIONAL OFFICE FOR APPROVAL. ENGINEER. NCDENR'S FINAL APPROVAL IS REQUIRED.
CONTRACTOR SHALL PAY ALL FEES REQUIRED AND HALL INSTALL
� ABC
NECESSARY MEASURES AT NO SEPARATE PAYMENTS THE 12. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE SHALL BE
6
CONTRACTOR SHALL PROVIDE THE OWNER AND THE ENGINEER A REQUIRED AT ALL CONSTRUCTION STAGING AREA ENTRANCES AND
COMPACTED
COPY OF THE AMENDED PERMIT. ALL CONSTRUCTION ACCESS LOCATIONS INTO NON -PAVED AREA.
USE 3:1 CUT SLOPES IN CUT SECTIONS
SUBGRADE
\\\-BEYOND
6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY 13. WHEN CROSSING CREEK OR DRAINAGE -WAY, THE CONTRACTOR
CARRY BASE COURSE 6"
ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT SHALL RIP -RAP WITH FABRIC DISTURBED BANKS AND CHANNEL AND
SURFACE COURSE
EROSION AND SEDIMENTATION AS DETERMINED BY EITHER NCDENR RESTORE SLOPES TO ORIGINAL CONTOURS, BUT NOT STEEPER THAN
AT LOCATIONS WITHOUT
OR THE ENGINEER. 2:1 MAXIMUM. DISTURBED CREEK AREA SHALL BE STABILIZED
CURB AND GUTTER
IMMEDIATELY.
NTS
NTS
1 ROADWAY TYPICAL SECTION (WITH DITCH)
2 ASPHALT PAVEMENT
3 GENERAL EROSION AND SEDIMENT CONTROL NOTES
DRIVE STEEL POSTS 18" INTO THE GROUND
MAXIMUM & O.C. AND EXCAVATE A 4" X 8"
ATTACH WIRE FENCE TO POSTS AND EXTEND
THE BOTTOM OF THE FENCE 8" INTO THE
NOTES:
DESIGN CRITERIA
TRENCH UPHILL ALONG THE LINE OF
POSTS.
EXCAVATED TRENCH AND TURNED OUT
4" IN THE TRENCH.
1. WIRE SHALL BE A MINIMUM OF 32 INCHES IN WIDTH AND
AGGREGATE SIZE - USE 2-3 INCH WASHED STONE
TOP & BOTTOM STRAND
SHALL HAVE A MINIMUM OF 6 WIRES WITH 12" STAY SPACING.
DIMENSION OF GRAVEL PAD
MIN. 10 GA. WIRE
GRAVEL ENTRANCE SHALL BE 50 FEET
IN LENGTH AND 12 FEET IN WIDTH THICKNESS - 6 INCHES MINIMUM
WITH 20 FOOT RADIUS AT EXISTING WIDTH 12 FT. MINIMUM OR FULL WIDTH AT ACCESS
STEEL POSTS
STAY WIRES
MIN. 12-1/2 GA
2. FILTER FABRIC SHALL BE A MINIMUM H WI IN WIDTH AND
SHALL S FASTENED ADEQUATELY TO D THE WIRE WITH S WIRE
STAPLES 1-1/2" LONG. FABRIC THAT DETERIORATES TO SUCH
-
ROADWAY
LINE WIRES
EXTENT THAT IT'S EFFECTIVENESS IS REDUCED SHALL BE
POINTS OF THE VEHICULAR ENTRANCE AND EXIT
AREA, WHICHEVER IS GREATER
MIN. 12-1/2 GA.
REPLACED BY CONTRACTOR AT CONTRACTOR'S EXPENSE.
36'-0"MIN 4'-0" 10'-0"
6"- LENGTH- 50 FT. MINIMUM.
3. STEEL POSTS SHALL BE A MIN. OF F HEIGHT AND SHALL BE
L
THE SELF FASTENER ANGLE STEEL TYPE.
LOCATION -LOCATE CONSTRUCTION ENTRANCES AND
EXITS TO LIMIT SEDIMENT FROM LEAVING THE SITE
4. CONTRACTOR SHALL REVIEW SILT FENCE ONCE PER WEEK
AND TO PROVIDE FOR MAXIMUM UTILITY BY ALL
-
AND AFTER EACH RAINFALL OCCURRENCE. ANY NECESSARY
FILTER FABRIC CONSTRUCTION VEHICLES. AVOID STEEP GRADES
WASHED STONE AND ENTRANCES AT CURVES IN PUBLIC ROADS.
_
_
`
REPAIRS OR CLEAN-UP TO MAINTAIN THE EFFECTIVENESS OF
THE DEVICE SHALL BE MADE IMMEDIATELY.
SEEDING SPECIFICATIONS
CONTRACTOR SHALL INSTALL ADDITIONAL GRAVEL
GRAVEL CONSTRUCTION ENTRANCE CONSTRUCTION ENTRANCES NOT INDICATED ON THE PLANS
%
5. REMOVE DEPOSITED SEDIMENT ALONG THE FENCE TO
REQUIRED FOR STAGING AND/OR BORROW AREAS AND
/`' ---_
PROVIDE ADEQUATE STORAGE VOLUME AND TO REDUCE
PRESSURE ON THE FENCE AS NEEDED.
TEMPORARY SEEDING/MULCHING SPECIFICATIONS (FOR LATE WINTER AND EARLY SPRING)
SEEDING MIXTURES:
MAINTAIN AT NO ADDITIONAL EXPENSE TO THE OWNER.
CONTRACTOR SHALL SUPPLEMENT AND MAINTAIN GRAVEL
STEP 1
_oo
STEP 2 0
SEEDING MIXTURE:
CONSTRUCTION ENTRANCES AT HIS EXPENSE UNTIL FINAL
ACCEPTANCE.
5. TEMPORARY MEASURE SHALL NOT BE REMOVED BY THE
CONTRACTOR UNTIL THIS ACTION IS APPROVED BY AN NCDENR
SPECIES RATE (LB./ACRE)
SPECIES RATE (LBS./ACRE)
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/
ATTACH THE FILTER FABRIC TO THE WIRE FENCE,
EXTEND THE BOTTOM OF THE FABRIC 8" INTO THE
TRENCH AND TURNED OUT 4" IN THE TRENCH.
BACKFILL THE TRENCH AND COMPACT THE SOIL
FIRMLY TO ANCHOR THE BOTTOM OF THE SILT
FENCE. BURIED FABRIC SHALL NOT BE VISIBLE.
REPRESENTATIVE. THE ACTION WILL BE APPROVED WHEN THE
CONTRIBUTING DRAINAGE AREA IS STABLE.
RYE (GRAIN) 120
TALL FESCUE 80
SOP
OBE LESPEDEZA 50
BAHIAGRASS
MAINTENANCE
OMIIT ANNUUAL
AL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT EXTEND BEYOND JUNE.
SERSC AOLA LESPEDEZA 300
J��\G
POSTS MAX B'O.C.
KOBE LESPEDEZA 10
Q MAINTAIN THE GRAVEL PAD INBA CONDITION TO PREVENT MUD OR
SEEDING DATES:
SEDIMENT FROM LEAVING THE CONSTRUCTION SITE. THIS MAY
/ 50, REQUIRE PERIODIC TOPDRESSING WITH 2-INCH STONE. AFTER EACH
WIRE FENCE "HOG WIRE"
JANUARY 1 - MAY 1
SEEDING NOTES:
m/ %. RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND
A
;, FILTER FABRIC
SOIL AMENDMENTS:
1. FROM SEPT. 1 TO MAR. 1 USE UNSCARIFIED SERICEA SEED.
2. ON POORLY DRAINED SITES OMIT SERICEA AND INCREASE KOBE TO 30 LB./ACRE.
CLEAN IT OUTLENECESSARY. IMMEDIATELY REMOVE ALL
OBJECTIONABLE MATERIALS SPILLED, WASHED OR TRACKED ONTO
I I ` _ `
I
\
#9 WIRE STAPLES 1-1/2" LONG
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LBJACRE GROUND AGRICULTURAL LIMESTONE AND 750
3. WHERE A NEAT APPEARANCE IS DESIRED, OMIT SERICEA AND INCREASE KOBE TO 40 LB./ACRE.
PUBLIC ROADWAYS.
` �I
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T
= BOTTOM B WIRE FENCE AND
FILTER FABRIC BURIED 8" IN
EXCAVATED TRENCH & TURNED
LB./ACRE 10-10-10 FERTILIZER.
MULCH:
NURSE PLANTS:
BETWEEN APRIL 15 AND AUG. 15, ADD 10 LB./ACRE OF GERMAN MILLET OR 15 LB./ACRE SUDANGRASS. PRIOR TO MAY 14w
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= OUT 4" IN THE TRENCH
APPLY 4,000 LB./ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
OR AFTER AUG. 15, ADD 25 LB./ACRE RYE (GRAIN).
A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
SEEDING DATES:
i
------ i' '
STEEL POST DRIVEN
24" INTO GROUND
MAINTENANCE:
BEST POSSIBLE
AGGREGATE N
A�
STEP4
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING
EARLY SPRING: FEB. 15 - MAR. 20 FEB. 15 -APR. 30
6" MIN. THICKNESS
STEP
MAINTENANCE
SECTION A -A
EROSION OR OTHER DAMAGE.
FALL: SEPT. 1 - SEPT. 30 SEPT. 1 - OCT. 31
2-3" COURSE
1. INSPECT SEDIMENT FENCES AT LEAST
ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY.
TEMPORARY SEEDING/MULCHING SPECIFICATIONS (FOR SUMMER)
SOIL AMENDMENTS:
2. SHOULD THE FABRIC OF A SEDIMENT
FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE,
REPLACE IT PROMPTLY.
SEEDING MIXTURE:
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TEST, OR APPLY 3,000 - 5,000 LB./ACRE GROUND AGRICULTURAL
SPECIES RATE (LB./ACRE)
LIMESTONE (USE THE LOWER RATE ON SANDY SOILS) AND 1,000 LB./ACRE 10-10-10 FERTILIZER.
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY
TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE
NEXT RAIN AND TO REDUCE
NTS
PRESSURE ON THE FENCE. TAKE CARE TO
AVOID UNDERMINING THE FENCE DURING CLEANOUT.
NTS
GERMAN MILLET 40
MULCH:
4. REMOVE ALL FENCING MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO
GRADE AND STABILIZE AFTER
APPLY 4,000 LBJACRE GRAIN STRAW OR EQUIVALENT COVER OF ANOTHER SUITABLE MULCH. ANCHOR STRAW BY
THE CONTRIBUTING DRAINAGE AREA HAS
BEEN PROPERLY STABILIZED AND NCDENR APPROVES REMOVAL.
A SMALL -STEMMED SUDANGRASS MAY BE SUBSTITUTED AT A RATE OF 50 LB./ACRE.
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.
6 TEMPORARY GRAVEL CONSTRUCTION ENTRANCE
7 SILT FENCE
SEEDING DATES:
MAY 1 -AUGUST 15
MAINTENANCE:
IF GROWTH IS LESS THAN FULLY ADEQUATE, REFERTILIZE IN THE SECOND YEAR, ACCORDING TO THE SOIL TESTS OR
SOIL AMENDMENTS:
TOP DRESS WITH 500 LB./ACRE 10-10-10 FERTILIZER. MOW AS NEEDED WHEN SERICEA IS OMITTED FROM THE MIXTURE.
PLAN VIEW
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LBJACRE GROUND AGRICULTURAL LIMESTONE AND 750
RESEED, FERTILIZE, AND MULCH DAMAGED AREAS IMMEDIATELY.
LB./ACRE 10-10-10 FERTILIZER.
STEEL POSTS (QUANTITY VAR.) EMBANKMENT
SEEDING SPECIFICATIONS
/
L = THE DISTANCE SUCH THAT POINTS
MULCH:
A AND B ARE OF EQUAL ELEVATION
APPLY 4,000 LB./ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
SEEDING MIXTURE:
_ r/
�, \
A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
STONE ENERGY
SPECIES RATE (LB./ACRE)
-�_ SKIMMER (SIZE VAR.) DISSIPATOR
INFLOWMAINTENANCE: -��
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______-_-_ _ ��
I=III=III=III=III-III== SEDIMENT STORAGE
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING
COMMON BERMUDAGRASS 40-80(1-2 LB./1,000 FT)
STRUCTURE
AREA -�
EROSION OR OTHER DAMAGE.III
_III-III-III=III, III I I II � II! II I � II 11=1 I II
SEEDING DATES:_
II I II - I III1=1II=
-I I -III -III -I I �,
TEMPORARY SEEDING/MULCHING SPECIFICATIONS (FOR FALL)
COASTAL PLAIN: APR. - JULY
i,_I ),. -,-.
14' MA r %,4j-
_
11-I
- I I III -I 1(-
SEEDING MIXTURE:
SPECIES RATE (LB./ACRE)
SOIL AMENDMENTS:
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TEST, OR APPLY 3,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE
AND 500 LB
LBJACRE 10-10-10 FERTILIZER.
-- - �1� -
--- 4' MA
---
ONE PA
CENTERH A
TO BE 9" LOWER THAN
THE EDGES (MIN)
A
TO FORM A WEIR MI
RYE (GRAIN) 120
(BELOW SKIMMER) EMERGENCY
SEEDING DATES:
MULCH:
USE JUTE, EXCELSIOR MATTING, OR OTHER EFFECTIVE CHANNEL LINING MATERIAL TO COVER THE BOTTOM OF
SPILLWAY
/�� ROPE
oo
9" MIN.
AUGUST 15 - DECEMBER 30
CHANNELS AND DITCHES. THE LINING SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW. ON
SOIL AMENDMENTS:
CHANNEL SIDE SLOPES ABOVE THIS HEIGHT, AND IN DRAINAGES NOT REQUIRING TEMPORARY LININGS, APPLY 4,000
CENTER OF THE DAM IS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LBJACRE GROUND AGRICULTURAL LIMESTONE AND
LBJACRE GRAIN STRAW AND ANCHOR STRAW BY STAPLING NETTING OVER THE TOP.
%� TO BE 9" LOWER THAN
1,000 LBJACRE 10-10-10 FERTILIZER.
MULCH AND ANCHORING MATERIALS MUST NOT BE ALLOWED TO WASH DOWN SLOPES WHERE THEY CAN CLOG
COIR FIBER BAFFLES WOOD STAKE
FILTER FABRIC J THE EDGES (MIN)
TO FORM A WEIR
DRAINAGE DEVICES.
(PRACTICE STANDARD 6.65) TOP OF EMBANKMENT
OR METAL POST
MULCH:
CLASS A OR B EROSION
APPLY 4,000 LB./ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
MAINTENANCE:
MIN. 1'
TRASH RACK EMERGENCY SPILLWAYCHANNEL
2s
OR DITCH CONTROL STONE �/
APPLICATION '
A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
A MINIMUM OF 3 WEEKS IS REQUIRED FOR ESTABLISHMENT. INSPECTION AND REPAIR MULCH FREQUENTLY.
SKIMMER 1' MIN. '
�4oF4
q rk 24" MAX.
9+J
REFERTILIZE THE FOLLOWING APR. WITH 50 LB./ACRE NITROGEN.
RISER STRUCTURE BAPRPRE L
AT CENTER
MAINTENANCE:
ik.
REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOP DRESS WITH 50 LB./ACRE OF NITROGEN IN MARCH. IF
MAINTENANCE M t
IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND JUNE 15, OVERSEED WITH 50 LB./ACRE KOBE LESPEDEZA
4-
IN LATE OR EARLY MARCH.
1 1
1. INSPECT THE CHECK DAMS AFTER EACH RAINFALL BUT IN NO
CASE LESS THAN ONCE PER WEEK FILTER FABRIC
,i f
CONSTRUCTION SPECIFICATIONS CLASS B STONE PAD I
(4'MIN.)
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE
CUT-OFF TRENCH ANTI -SEEP STABILIZED
ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN. TAKE CARE SECTION A -A
1. CLEAR, GRUB &STRIP TOPSOIL FROM AREAS UNDER THEE EMBANKMENT
EMBANKMENT TO ANTIFLOTATION BLOCK COLLAR OUTLET
REMOVE TREES, VEGETATION, ROOTS AND OTHER OBJECTIONABLE MATERIAL. 2' DEEP 1.1
TO AVOID UNDERMINING THE DAM DURING CLEANOUT.
DELAY CLEARING THE POOL AREA UNTIL THE DAM IS COMPLETE AND THEN
REMOVE BRUSH, TREES, AND OTHER OBJECTIONABLE MATERIALS TO FACILITATE CROSS-SECTION VIEW
3. CLEAN OR REPLACE THE STONE WHEN IT SHOWS SIGNS OF
CLOGGING OR OTHERWISE DOES NOT PERFORM CORRECTLY
SEDIMENT CLEANOUT. STOCKPILE ALL TOPSOIL OR SOIL CONTAINING ORGANIC
MATTER FOR USE ON THE OUTER SHELL OF THE EMBANKMENT TO FACILITATE
4. WEIR SECTION MUST BE 9" LOWER THAN ABUTMENTS
VEGETATIVE ESTABLISHMENT. PLACE TEMPORARY SEDIMENT CONTROLS BELOW NOTES
5. DOWNSTREAM APRON LENGTH SHOULD BE 3 TIMES THE NTS
THE BASIN AS NEEDED.
HEIGHT OF THE WEIR.
1. SEED AND PLACE MATITNG FOR EROSION CONTROL ON INTERIOR AND
2. EXCAVATE CUT-OFF TRENCH ALONG THE CENTER LINE OF THE EARTH FILL EXTERIOR SIDESLOPES.
4 TEMPORARY SEEDING SPECIFICATIONS
5 PERMANENT SEEDING SPECIFICATIONS
EMBANKMENT. CUT THE TRENCH TO STABLE SOIL MATERIAL, BUT IN NO CASE 2 INSTALL A MINIMUM OF 3 COIR FIBER BAFFLES IN ACCORDANCE WITH PRACTICE
TITOF THE
10 CHECK DAM WITH WEIR
BOTH ABUTMENTS TO AT EAST THEELEVATION L SKIMMER AND COUPLING TO RISER STRUCTURE OR DIRECTLY INTO
RISER CREST. MAKE 3.IINSTAL
THE MINIMUM BOTTOM WIDTH WIDE ENOUGH TO PERMIT OPERATION OF EMBANKMENT 1 FT. FROM BOTTOM OF BASIN.
EXCAVATION AND COMPACTION EQUIPMENT, BUT IN NO CASE LESS THAN 2 FEET. 4. THE ARM PIPE SHALL HAVE A MINIMUM LENGTH OF 6 FT. BETWEEN THE
MAKE SIDE SLOPES OF THE TRENCH NO STEEPER THAN 1:1. COMPACTION SKIMMER AND COUPLING.
REQUIREMENTS ARE THE SAME AS THOSE FOR THE EMBANKMENT. KEEP THE
TRENCH DRY DURING BACKFILLING AND COMPACTION OPERATIONS.
NOTES:
1. GRADE THE BASIN SUCH THAT THE BOTTOM IS LEVEL
3. EMBANKMENT - TAKE FILL MATERIAL FROM THE APPROVED AREAS SHOWN ON
MAINTENANCE
THE PLANS. IT SHOULD BE CLEAN MINERAL SOIL, FREE OF ROOTS, WOODY INLET
PIPE OUTLET TO
DRIVE POSTS 24" INTO THE GROUND
ATTACH WIRE FENCE TO POSTS AND EXTEND
2. INSTALL THE BAFFLES AS SHOWN ON THE GRADING PLAN.
VEGETATION, ROCKS, AND OTHER OBJECTIONABLE MATERIAL. SCARIFY AREAS
1. INSPECT THE OUTLET PROTECTION
WELL-DEFINED CHANNEL
MAXIMUM 4' O.C. AND EXCAVATE A4" X 8"
TRENCH UPHILL ALONG THE LINE OF
THE BOTTOM OF THE FENCE 8" INTO THE
EXCAVATED TRENCH AND TURNED OUT 4" IN
BAFFLES SHALL EXTEND THE FULL WIDTH OF THE BASIN.
ON WHICH FILL IS TO BE PLACED BEFORE PLACING FILL. THE FILL MATERIAL PVC VENT PIPE
MUST CONTAIN SUFFICIENT MOISTURE SO IT CAN BE FORMED BY HAND INTO A
AFTER EACH RAINFALL BUT IN NO
CASE LESS THAN ONCE PER WEEK.
POSTS.
THE TRENCH.
3. DO NOT SPLICE THE FABRIC, USE A CONTINUOUS PIECE
BALL WITHOUT CRUMBLING. IF WATER CAN BE SQUEEZED OUT OF THE BALL, IT IS
�
A' A ANY STONES THAT THAT HAVE BEEN
SUPPORT WIRE OR
- - DISLODGED SHOULD BE REPLACED
ROPE
ACCROSS THE BASIN OR TRAP.
TOO WET FOR PROPER COMPACTION. PLACE FILL MATERIAL IN 6 TO 8 INCH
O
STEEL POSTS
STEEL POST
4. POSTS FOR THE BAFFLES SHALL BE 4' OC. EARTH BERM L(A
CONTINUOUS LAYERS OVER THE ENTIRE LENGTH OF THE FILL AREA AND
COMPACT IT. COMPACTION MAY BE OBTAINED BY ROUTING THE CONSTRUCTION
HAULING EQUIPMENT OVER THE FILL SO THAT THE ENTIRE SURFACE OF EACH
AND ANY EROSION AROUND THE
OUTLET SHOULD BE REPAIRED.
_
MAINTENANCE
-
LAYER IS TRAVERSED BY AT LEAST ONE WHEEL OR TREAD TRACK OF HEAVY
1. INSPECT THE BAFFLES EACH ACTIVE DAY ON SITE BUT IN
EQUIPMENT, OR A COMPACTOR MAY BE USED. CONSTRUCT THE EMBANKMENT
NO CASE LESS THAN ONCE PER WEEK AND AFTER EACH
TO AN ELEVATION 10 % HIGHER THAN THE DESIGN HEIGHT TO ALLOW FOR
SETTLING.
RAINFALL EVENT. MAKE ANY REPAIRS IMMEDIATELY.
BOTTOM ANCHORED WITH STAPLES
2. REMOVE SEDIMENT DEPOSITS WHEN THE MEASURE
4. SECURELY ATTACH THE RISER TO THE BARREL OR BARREL STUB TO MAKE A
PLAN
REACHES HALF FULL. TAKE CARE TO AVOID DAMAGING THE
WATERTIGHT STRUCTURAL CONNECTION. SECURE ALL CONNECTIONS BETWEEN FLEXIBLE HOSE
GRAVEL OR FABRIC
BAFFLES WHEN THE SEDIMENT IS REMOVED.
BARREL SECTIONS BY APPROVED WATERTIGHT ASSEMBLIES. PLACE THE
E5'
3. TEMPORARY MEASURE SHALL NOT BE REMOVED BY THE
B
BARREL AND RISER ON A FIRM, SMOOTH FOUNDATION OF IMPERVIOUS SOIL. DO
NOT USE PERVIOUS MATERIAL SUCH AS SAND, GRAVEL, OR CRUSHED STONE AS ('
L
CONTRACTOR UNTIL THIS ACTION IS APPROVED
NCDENR REPRESENTATIVE. THE ACTION WILL BE
BACKFILL AROUND THE PIPE OR ANTISEEP COLLARS. PLACE THE FILL MATERIAL
-
APPROVED WHEN THE CONTRIBUTING DRAINAGE AREA IS INLET ZONE
AROUND THE PIPE SPILLWAY IN 4 INCH LAYERS, AND COMPACT IT UNDER AND
STEP 1
STEP 2
STABLE. 35% OF SURFACE AREA
AROUND THE PIPE TO AT LEAST THE SAME DENSITY AS THE ADJACENT
I I
EMBANKMENT. CARE MUST BE TAKEN NOT TO RAISE THE PIPE FROM FIRM SCH 40 PVC "SKIMMER CAN BE PURCHASED FROM J.W. FAIRCLOTH & SON INC.
BACKFILL THE TRENCH AND COMPACT THE SOIL
FIRMLY TO ANCHOR THE BOTTOM OF THE SILT
FENCE. BURIED FABRIC SHALL NOT BE VISIBLE.
ATTACH THE JUTE NETTING OR OTHER FABRIC
APPROVED BY THE ENGINEER TO THE STAY WIRE
4. PLACEMENT OF BAFFLES:
INLET ZONE- 35%OF LENGTH FROM ENTRY POINT
FIRST CELL-25% OF LENGTH FROM INLET ZONE FIRST CHAMBER
25% OF SURFACE AREA
CONTACT WITH ITS FOUNDATION WHEN COMPACTING UNDER THE PIPE
PIPE SKIMMER CHOSEN SHALL BE EQUAL TO THE FAIRCLOTH SKIMMER.
HAUNCHES. PLACE A MINIMUM DEPTH OF 2 FEET OF COMPACTED BACKFILL
OVER THE PIPE SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION
_
_ _�
-III-III-I J I -I I -I I D
AND POSTS, EXTEND THE BOTTOM OF THE FABRIC
SECOND CELL - 25% OF LENGTH FROM FIRST CELL
EQUIPMENT. ANCHOR THE RISER IN PLACE BY CONCRETE OR OTHER SKIMMERl.l
8" INTO THE TRENCH AND TURNED OUT 4" IN THE
TRENCH OR USE 8" EROSION CONTROL MATTING
STAPLES.
THE TOP OF THE FABRIC SHALL BE 6" HIGHER
THAN THE WEIR.
OUTLET ZONE - 15% OF LENGTH FROM SECOND CELL
SECOND CHAMBER
25% OF SURFACE AREA
SATISFACTORY MEANS TO PREVENT FLOTATION. IN NO CASE SHOULD THE PIPE
CONDUIT BE INSTALLED BY CUTTING A TRENCH THROUGH THE DAM AFTER THE
-III -I I -I' i-_ - - -
E J� I'I 15
POSTS MAX 4' O.C.
EMBANKMENT IS COMPLETE.
MAINTENANCE
-III-I I 1=1 I
I I -III_ FILTER LAYER
OUTLET ZONE
TOP STAY WIRE OR ROPE 5 OF SURFACE AREA
5. INSTALL THE EMERGENCY SPILLWAY IN UNDISTURBED SOIL. THE
_ _ GRAVEL OR FABRIC
A
JUTE NETTING OR EQUIVILENT
ACHIEVEMENT OF PLANNED ELEVATIONS, GRADE, DESIGN WIDTH, AND INSPECT TEMPORARY SEDIMENT BASINS WEEKLY AND AFTER EACH PERIOD OF
SECTION A -A
ENTRANCE AND EXIT CHANNEL SLOPES ARE CRITICAL TO THE SUCCESSFUL SIGNIFICANT RAINFALL. REMOVE SEDIMENT AND RESTORE TRAP TO ITS ORIGINAL
BOTTOM OF FABRIC BURIED 8"
OPERATION OF THE EMERGENCY SPILLWAY. DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE DESIGN
NOTES
IN EXCAVATED TRENCH &
TURNED OUT a" IN THE PERSPECTIVE VIEW
DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN AN AREA WITH
TRENCH, OR PINNED WITH 8^
FSTAPLES.
6. DISCHARGE THE WATER INTO THE BASIN IN A MANNER TO PREVENT EROSION. SEDIMENT CONTROLS.
1. LA IS THE LENGTH OF THE RIPRAP 3. IN A WELL-DEFINED CHANNEL EXTEND
w EROSION CONTROL MATTING
USE DIVERSIONS WITH OUTLET PROTECTION TO DIVERT SEDIMENT -LADEN
APRON.(SEE EC PLAN) THE APRON THE REQUIRED 4' WIDTH
=
WATER TO THE UPPER END OF THE POOL AREA TO IMPROVE TRAP EFFICIENCY. CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE AND
OR UP TO THE TOP OF THE CHANNEL
--ELD-V
INSPECT THE EMBANKMENT FOR
2. D = 1.5 TIMES THE MAXIMUM BANKS, WHICHEVER IS LESS.
7. CONSTRUCT THE STRUCTURE SO THAT THE DISTURBED AREA IS MINIMIZED. PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY. REMOVE
STONE DIAMETER BUT NOT LESS
DIVERT SURFACE WATER AWAY FROM BARE AREAS. COMPLETE THE ALL TRASH AND OTHER DEBRIS FROM THE RISER AND POOL AREA.
THAN 6". 4. A FILTER FABRIC OR BLANKET SHOULD BE
STEEL POST DRIVEN
EMBANKMENT BEFORE THE AREA IS CLEARED.
INSTALLED BETWEEN THE RIPRAP
24" INTO GROUND
AND SOIL FOUNDATION.
8. INSTALL POROUS BAFFLES AS SPECIFIED.
STEP 3
STEP 4
SECTION A -A
NTS
9. AVOID STEEP SIDE SLOPES, AND FENCE AND MARK BASINS WITH WARNING
SIGNS IF TRESPASSING IS LIKELY. FOLLOW ALL STATE AND LOCAL
NTS
NTS
REQUIREMENTS.
8 POROUS BAFFLES
9 TEMPORARY SEDIMENT BASIN
11 TYPICAL RIP RAP APRON
4Dsite
solutions
civil engineering I land surveying
409 Chicago Drive, Suite 112, Fayetteville, NC 28306
office 1 910-426-6777 fax 1910-426-5777 license number I C-2354
www.4Dsitesotutions.com
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REVISIONS
PROJECT NAME
TARRANT
ESTATES
SUBDIVISION
(ZERO LOT LINE)
SITE &
EROSION
CONTROL
DETAILS
CLIENT
STOUT LAND
DEVELOPMENT,
LLC
1786 Metromedical Drive
Fayetteville, North Carolina 28304
Phone: (910) 779-0019
PROJECT INFORMATION
DESIGNED BY:
BRETT
DRAWN BY:
BRETT
CHECKED BY:
SCOTT
PROJECT NUMBER:
1827
DRAWING SCALE
NOT TO SCALE
DATE RELEASED
AUGUST 9, 2022
SHEET NUMBER
C-6nO