SW6220805_Plansheet C-6.0 - Misc. Detail_20221019

F ,,,,, NOTES:
-II
IL�
1.5' 1. USE FOR DRAINAGE AREAS NOT
\. 1' THICK #57 FILTER STONE ` EXCEEDING 5 (FIVE) ACRES.
Q 2. EARTH BERM SHALL BE STABILIZED W/
3600 CU. FT/ACRE 2 SEEDING ACCORDING TO SPECIFICATIONS.
1
\\ 3.FILTER STONE TO BE A DEPTH OF
1 5' \
VARIES 6' 20' 6' / ! 1 FOOT ON THE DAM SIDE
(SWALE) (SHOULDER) (SHOULDER)
10' 10' FILTER FABRIC
FINISH GRADE S9.5B
No CROSS SECTION OVERFILL 6" FOR
SETTLEMENT
EMERGENCY
5' 21" MIN BY-PASS
U ELOW
SETTLED TOP
CARRY BASE COURSE 6"
5' OF DAM
4' MIN.
BEYOND SURFACE COURSE
2% 2%
N
_ 8% �'y 8% 1.5'
N
CO
1
\�2:1 SIDE SLOPE MAX
✓/\//\ ��\'//�/\ \//\� /\\/\\�\\�\m\\\�\\/\\ \\ THIS IS FOR /
\ , r FILTER FABRIC EXIST. GRADE
i I I I I I
FILL SECTION
111MEMEN
1 \ \ //\�///\�//\�//\/ 1 \\\/ ' 1:1 SIDE SLOPE MAX
111mi
\\\\
3 \/' 3 \////\\//// GEOTECHNICAL ENGINEER SHOULD BE 3 '\ CLASS B RIP RAP
8" COMPACTED
COMPACTED CONSULTED TO DETERMINE DEPTH OF ABC \//�//\ 3' MIN.
NEEDED TO MEET NCDOT REQUIREMENTS \�\\//\�\\/
SUBGRADE
6„ ABC
\\�\\\i\\ r MAINTENANCE STONE SECTION
DESIGN OF SPILLWAYS
COMPACTED
INSPECT TEMPORARY SEDIMENT TRAPS AFTER EACH PERIOD OF SIGNIFICANT RAINFALL. REMOVE SEDIMENT AND DRAINAGE AREA WEIR LENGTH
SUBGRADE
USE 3:1 CUT SLOPES IN CUT SECTIONS RESTORE TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE (ACRES) (FT.)
CARRY BASE COURSE 6"
DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN A DESIGNATED DISPOSAL AREA AND
BEYOND SURFACE COURSE
4 1 .0
REPLACE THE CONTAMINATED PART OF GRAVEL FACING. 2 6.0
AT LOCATIONS WITHOUT
3 8.0
CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OF PIPING. PERIODICALLY CHECK THE DEPTH OF THE
CURB AND GUTTER
SPILLWAY TO ENSURE IT IS A MINIMUM OF 1.5 FT. BELOW THE LOW POINT OF THE EMBANKMENT. IMMEDIATELY 5 122.0
FILL ANY SETTLEMENT OF THE EMBANKMENT TO SLIGHTLY ABOVE DESIGN GRADE. ANY RIP RAP DISPLACED
FROM THE SPILLWAY MUST BE REPLACED IMMEDIATELY. DIMENSIONS SHOWN ARE MINIMUM
STABILIZE THE EMBANKMENT AND ALL DISTURBED AREAS ABOVE THE SEDIMENT POOL AND DOWNSTREAM FROM
NTS
NTS THE TRAP IMMEDIATELY AFTER CONSTRUCTION WITH SEEDING. NTS
2 ROADWAY TYPICAL SECTION (WITH DITCH) 3 TEMPORARY SEDIMENT TRAP
1 ASPHALT PAVEMENT
DESIGN CRITERIA
AGGREGATE SIZE - USE 2-3 INCH WASHED STONE
DIMENSION OF GRAVEL PAD
GRAVEL ENTRANCE SHALL BE 50 FEET THICKNESS - 6 INCHES MINIMUM
IN LENGTH AND 12 FEET IN WIDTH
WITH 20 FOOT RADIUS AT EXISTING WIDTH - 12 FT. MINIMUM OR FULL WIDTH AT ACCESS
ROADWAY POINTS OF THE VEHICULAR ENTRANCE AND EXIT
36-0" MIN 4'-0" 10'-0" AREA, WHICHEVER IS GREATER
6` LENGTH- 50 FT. MINIMUM.
1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT
L
STRUCTURAL EROSION AND SEDIMENT CONTROL MEASURES SHALL CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING LOCATION - LOCATE CONSTRUCTION ENTRANCES AND
BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL EXITS TO LIMIT SEDIMENT FROM LEAVING THE SITE
AND TO PROVIDE FOR MAXIMUM UTILITY BY ALL
MINIMUM STANDARDS AND SPECIFICATIONS OF THE NORTH STABILIZATION IS ACHIEVED. FILTER FABRIC CONSTRUCTION VEHICLES. AVOID STEEP GRADES
CAROLINA EROSION AND SEDIMENT CONTROL HANDBOOK. 2-Y WASHED STONE AND ENTRANCES AT CURVES IN PUBLIC ROADS.
8. ALL AREAS DISTURBED BY CONSTRUCTION UNLESS OTHERWISE CONTRACTOR SHALL INSTALL ADDITIONAL GRAVEL
SEEDING SPECIFICATIONS 2. THE CONTRACTOR SHALL NOTIFY PLAN APPROVING AUTHORITY IMPROVED SHALL BE SODDED OR SEEDED AS INDICATED AND GRAVEL CONSTRUCTION ENTRANCE CONSTRUCTION ENTRANCES NOT INDICATED ON THE PLANS
ONE WEEK PRIOR TO THE PRECONSTRUCTION CONFERENCE, ONE STABILIZED. REQUIRED FOR STAGING AND/OR BORROW AREAS AND
WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING MAINTAIN AT NO ADDITIONAL EXPENSE TO THE OWNER.
TEMPORARY SEEDING/MULCHING SPECIFICATIONS (FOR LATE WINTER AND EARLY SPRING)
SEEDING MIXTURES: ACTIVITY, AND ONE WEEK PRIOR TO FINAL INSPECTION. 9. DURING DEWATERING OPERATIONS, WATER SHALL BE PUMPED CONTRACTOR SHALL SUPPLEMENT AND MAINTAIN GRAVEL
SEEDING MIXTURE:
INTO AN APPROVED FILTERING DEVICE PRIOR TO DISCHARGE TO CONSTRUCTION ENTRANCES AT HIS EXPENSE UNTIL FINAL
ACCEPTANCE.
SPECIES RATE (LB./ACRE)
SPECIES RATE (LBS./ACRE) 3. IF POSSIBLE ALL EROSION AND SEDIMENT CONTROL MEASURES RECEIVING OUTLET.
ARE TO BE PLACED PRIOR TO CLEARING AND/OR LAND DISTURBANCE.
RYE (GRAIN) 120
TALL FESCUE 80 10. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL SOP'Q
/
ANNUAL KOBE LESPEDEZA 50
PENSACOLA BAHIAGRASS 50 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL MEASURES WEEKLY AND AFTER EACH RUNOFF -PRODUCING EVENT. \G MAINTENANCE
OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT EXTEND BEYOND DUNE.
SERICEA LESPEDEZA 30 PLAN AND PERMIT SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE �Qj�
KOBE LESPEDEZA 10 EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE Q MAINTAIN THE GRAVEL PAD INBA CONDITION TO PREVENT MUD OR
SEEDING DATES:
5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS MADE IMMEDIATELY. SEDIMENT FROM LEAVING THE CONSTRUCTION SITE. THIS MAY
JAN UARY 1 -MAY 1
SEEDING NOTES: m� OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT SQ'REQUIRE PERIODIC TOPDRESSING WITH 2-INCH STONE. AFTER EACH
n.
LIMITED TO OFF -SITE BORROW OR WASTE AREAS, STAGING OR 11. ALL TEMPORARY EROSION CONTROL MEASURES SHALL BE RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND
1. FROM SEPT. 1 TO MAR. 1 USE UNSCARIFIED SERICEA SEED. STORAGE AREAS), THE CONTRACTOR SHALL PREPARE AND SUBMIT REMOVED BY CONTRACTOR ONCE STABILIZATION OR A SUFFICIENT CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE ALL
SOIL AMENDMENTS:
2. ON POORLY DRAINED SITES OMIT SERICEA AND INCREASE KOBE TO 30 LB./ACRE. A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR GROUND COVER HAS BEEN ESTABLISHED OR AS DIRECTED BY THE / OBJECTIONABLE MATERIALS SPILLED, WASHED OR TRACKED ONTO
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE AND 750
3. WHERE A NEAT APPEARANCE IS DESIRED, OMIT SERICEA AND INCREASE KOBE TO 40 LB./ACRE. REVIEW AND TO NCDENR REGIONAL OFFICE FOR APPROVAL. ENGINEER. NCDENR'S FINAL APPROVAL IS REQUIRED. PUBLIC ROADWAYS.
LB./ACRE 10-10-10 FERTILIZER.
CONTRACTOR SHALL PAY ALL FEES REQUIRED AND SHALL INSTALL
MULCH:
NURSE PLANTS: NECESSARY MEASURES AT NO SEPARATE PAYMENT. THE 12. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE SHALL BE
BETWEEN APRIL 15 AND AUG. 15, ADD 10 LB./ACRE OF GERMAN MILLET OR 15 LB./ACRE SUDANGRASS. PRIOR TO MAY 1 CONTRACTOR SHALL PROVIDE THE OWNER AND THE ENGINEER A REQUIRED AT ALL CONSTRUCTION STAGING AREA ENTRANCES AND
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). COPY OF THE AMENDED PERMIT. ALL CONSTRUCTION ACCESS LOCATIONS INTO NON -PAVED AREA.
A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY 13. WHEN CROSSING CREEK OR DRAINAGE -WAY, THE CONTRACTOR��
SEEDING DATES: ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT SHALL RIP -RAP WITH FABRIC DISTURBED BANKS AND CHANNEL AND AGGREGATE
MAINTENANCE:
N
BEST POSSIBLE EROSION AND SEDIMENTATION AS DETERMINED BY EITHER NCDENR RESTORE SLOPES TO ORIGINAL CONTOURS, BUT NOT STEEPER THAN 6" MIN. THICKNESS
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING
EARLY SPRING: FEB. 15 - MAR. 20 FEB. 15 - APR. 30 OR THE ENGINEER. 2:1 MAXIMUM. DISTURBED CREEK AREA SHALL BE STABILIZED
EROSION OR OTHER DAMAGE.
FALL: SEPT. 1 - SEPT. 30 SEPT. 1 - OCT. 31 IMMEDIATELY.
2-3" COURSE
TEMPORARY SEEDING/MULCHING SPECIFICATIONS (FOR SUMMER)
SOIL AMENDMENTS:
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.
NTS
GERMAN MILLET 40
MULCH:
APPLY 4,000 LB./ACRE GRAIN STRAW OR EQUIVALENT COVER OF ANOTHER SUITABLE MULCH. ANCHOR STRAW BY
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 GENERAL EROSION AND SEDIMENT CONTROL NOTES 7 TEMPORARY GRAVEL CONSTRUCTION ENTRANCE
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.
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE AND 750
RESEED, FERTILIZE, AND MULCH DAMAGED AREAS IMMEDIATELY. GRASSED OR RIP RAP LINED SWALE
LB./ACRE 10-10-10 FERTILIZER.
NOTE: THIS CROSS SECTION IS TO BE USED FOR THE
MULCH:
NATURAL GROUND
SEEDING SPECIFICATIONS ENTIRE LENGTH OF THE SWALE.
MAX. SLOPE (il'P)
APPLY 4,000 LB./ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
SEEDING MIXTURE:
A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
SEE PLAN FOR WIDTH
SPECIES RATE (LB./ACRE) f
MAINTENANCE:
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING
EROSION OR OTHER DAMAGE.
COMMON BERMUDAGRASS 40-80(1-2 LB./1,000 FTC) 2.5 2.5
IN. EXISTING
/
�1 1 �
/ GROUND
TEMPORARY SEEDING/MULCHING SPECIFICATIONS (FOR FALL)
SEEDING DATES: NATURAL GROUND T GRASS OR RIP RAP LINING
/
COASTAL PLAIN: APR. - JULY 2.5 / \ / SEE PLAN
1�/ I \ /
SEEDING MIXTURE:
SOIL AMENDMENTS:
SPECIES RATE (LB./ACRE)
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TEST, OR APPLY 3,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE I� SEE PLAN FOR
RYE (GRAIN) 120
AND 500 LB./ACRE 10-10-10 FERTILIZER. 1 DEPTH 1
SEE PLAN
L AN
MULCH: SEE PLAN
SEEDING DATES:
USE JUTE, EXCELSIOR MATTING, OR OTHER EFFECTIVE CHANNEL LINING MATERIAL TO COVER THE BOTTOM OF COMPACTED SOIL
AUGUST 15 - DECEMBER 30
CHANNELS AND DITCHES. THE LINING SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW. ON -I I I I I E I CONSTRUCTION SPECIFICATIONS:
CHANNEL SIDE SLOPES ABOVE THIS HEIGHT, AND IN DRAINAGES NOT REQUIRING TEMPORARY LININGS, APPLY 4,000 *** WHEN A GRAVEL DIVERSION BERM IS REQUIRED, THE HEIGHT -I I I I II I I
SOIL AMENDMENTS:
LB./ACRE GRAIN STRAW AND ANCHOR STRAW BY STAPLING NETTING OVER THE TOP. SHALL BE REDUCED TO 12 INCHES AND THE TOP WIDTH TO 6", 11- 1. REMOVE ALL TREES, BRUSH, STUMPS, AND OTHER
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE AND
1,000 LB./ACRE 10-10-10 FERTILIZER.
ALL OTHER REQUIREMENTS SHALL REMAIN THE SAME. COMPACTED OBJECTIONABLE MATERIAL FROM THE FOUNDATION AREA.
SEE PLAN 2. EXCAVATE THE CHANNEL AND SHAPE IT TO NEAT LINES
MULCH AND ANCHORING MATERIALS MUST NOT BE ALLOWED TO WASH DOWN SLOPES WHERE THEY CAN CLOG TEMPORARY DIVERSION KEY NOTES: SUBGRADE
DRAINAGE DEVICES. AND DIMENSIONS SHOWN ON THE PLANS PLUS 0.2 FT
MULCH:
OVERCUT AROUND THE CHANNEL PERIMETER TO ALLOW
APPLY 4,000 LBJACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR A MULCH ANCHORING TOOL.
MAINTENANCE: 1. CLEAR THE ARE UNDER THE BERM AND STRIP THE ROOTS/OTHER ORGANICS. FOR BULKING DURING SEEDBED PREPARATIONS AND SOD
A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
2. COMPACT THE SIDE SLOPES, PREFERABLY WITH A TRACKED VEHICLE TO SLOW RUNOFF VELOCITIES. BUILDUP.
A MINIMUM OF 3 WEEKS IS REQUIRED FOR ESTABLISHMENT. INSPECTION AND REPAIR MULCH FREQUENTLY. 3. VEGITATE THE RIDGE OF THE BERM IMMEDIATELY AFTER CONSTRUCTION UNLESS THE BERM WILL REMAIN IN PLACE 3. REMOVE AND PROPERLY DISPOSE OF ALL EXCESS SOIL
MAINTENANCE:
REFERTILIZE THE FOLLOWING APR. WITH 50 LB./ACRE NITROGEN. FOR LESS THAN 30 DAYS. SO THAT SURFACE WATER MAY ENTER THE CHANNEL
REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOP DRESS WITH 50 LB./ACRE OF NITROGEN IN MARCH. IF
FREELY.
IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND JUNE 15, OVERSEED WITH 50 LB./ACRE KOBE LESPEDEZA
4. ESTABLISH GRASS IN THE CHANNEL IMMEDIATELY.
IN LATE OR EARLY MARCH.
MAINTENANCE:
INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL. IMMEDIATELY REMOVE MAINTENANCE & CONSTRUCTION:
SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFULLY CHECK OUTLETS
AND MAKE TIMELY REPAIRS AS NEEDED. 1. INSPECT THE SWALE FOR EROSION ONCE A WEEK AND AFTER EVERY RAINFALL.
2. IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED AREAS.
3. MAINTAIN PROPER CROSS SECTION UNTIL THE SWALE IS STABLE.
NTS4. KEEP THE GRASS IN A HEALTHY, VIGOROUS CONDITION AT ALL TIMES. NTS
5 PERMANENT SEEDING SPECIFICATIONS 8 TEMPORARY DIVERSION BERM 9 TYPICAL SWALE CROSS SECTION
4 TEMPORARY SEEDING SPECIFICATIONS
DRIVE STEEL POSTS 18" INTO THE GROUND
MAXIMUM 8' O.C. AND EXCAVATE A 4" X 8"
ATTACH WIRE FENCE TO POSTS AND EXTEND
THE BOTTOM OF THE FENCE 8" INTO THE
NOTES:
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
TOP & BOTTOM STRAND
SHALL HAVE A MINIMUM OF 6 WIRES WITH 12" STAY SPACING.
NOTES:
MIN. 10 GA. WIRE
2. FILTER FABRIC SHALL BE A MINIMUM OF 36" IN WIDTH AND
L = THE DISTANCE SUCH THAT POINTS 1. GRADE THE BASIN SUCH THAT THE BOTTOM IS LEVEL
STEEL POSTS
STAY WIRES
MIN. 12-1/2 GA
SHALL BE FASTENED ADEQUATELY TO THE WIRE WITH #9 WIRE
STAPLES 1-1/2" LONG. FABRIC THAT DETERIORATES TO SUCH
EXTENT THAT ITS EFFECTIVENESS IS REDUCED SHALL BE
A AND B ARE OF EQUAL ELEVATION DRIVE POSTS 24" INTO THE GROUND ATTACH WIRE FENCE TO POSTS AND EXTEND 2. INSTALL THE BAFFLES AS SHOWN ON THE GRADING PLAN.
MAXIMUM 4' O.C. AND EXCAVATE A 4" X 8" THE BOTTOM OF THE FENCE 8" INTO THE
LINE WIRES
REPLACED BY CONTRACTOR AT CONTRACTOR'S EXPENSE.
BAFFLES SHALL EXTEND THE FULL WIDTH OF THE BASIN.
TRENCH UPHILL ALONG THE LINE OF EXCAVATED TRENCH AND TURNED OUT 4" IN
MIN. 12-1/2 GA.
A NEL POSTS. THE TRENCH. SUPPORT WIRE OR 3. DO NOT SPLICE THE FABRIC, USE A CONTINUOUS PIECE
3. STEEL POSTS SHALL BE A MIN. OF 5' HEIGHT AND SHALL BE
- ROPE ACCROSS THE BASIN OR TRAP.
_-
THE SELF FASTENER ANGLE STEEL TYPE.
CONTRACTOR SHALL SILT FENCE
SEDIMENT STEEL POST
I -III -III -III -III -III = _: STORAGE AREA STEEL POSTS 4 POSTS FOR THE BAFFLES SHALL BE 4' OC 03�
-III _III -III -III -III I I I I I I I -_ �_ EARTH BERM
AND AFTER EACH4, AONCE
NECESSARYWEEK
RAINFALLVIEW
OCCURRENCE
-I
I I I I I I I I I I I I -III -III -III -III -III -I
I I I I I-III-1 I -III -III -III-I MAINTENANCE
`u
REPAIRS OR CLEAN-UP TO MAINTAIN THE EFFECTIVENESS OF
-I
III -III- III
`
THE DEVICE SHALL BE MADE IMMEDIATELY.
- III -I I I_I I I -III -III -III -I I _ 1. INSPECT THE BAFFLES EACH ACTIVE DAY ON SITE BUT IN
-
-
' 11
5. REMOVE DEPOSITED SEDIMENT ALONG THE FENCE TO
PROVIDE ADEQUATE STORAGE VOLUME AND TO REDUCE
III -III -III NO CASE LESS THAN ONCE PER WEEK AND AFTER EACH
TOCENTER OF THE DAM IS RAINFALL EVENT. MAKE ANY REPAIRS IMMEDIATELY. BOTTOM ANCHORED WITH STAPLES
.�
PRESSURE ON THE FENCE AS NEEDED.
TO BE 9" LOWER THAN 2. REMOVE SEDIMENT DEPOSITS WHEN THE MEASURE
STEP 1
STEP 2
5. TEMPORARY MEASURE SHALL NOT BE REMOVED BY THE
CONTRACTOR UNTIL THIS ACTION IS APPROVED BY AN NCDENR
THE EDGES (MIN) A 1.5' REACHES HALF FULL. TAKE CARE TO AVOID DAMAGING THE
TO FORM A WEIR MIN. BAFFLES WHEN THE SEDIMENT IS REMOVED.
BACKFILL THE TRENCH AND THE
5,
ATTACH THE FILTER FABRIC TO THE WIRE FENCE,
EXTEND THE BOTTOM OF THE FABRIC 8" INTO THE
COMPACT SOIL
FIRMLY TO ANCHOR THE BOTTOM OF THE SILT
REPRESENTATIVE. THE ACTION WILL BE APPROVED WHEN THE
CONTRIBUTING DRAINAGE AREA IS STABLE.
noo 3. TEMPORARY MEASURE SHALL NOT BE REMOVED BY THE
\ \-v-.,._ \ CONTRACTOR UNTIL THIS ACTION IS APPROVED BY AN
r
TRENCH AND TURNED OUT 4" IN THE TRENCH.
FENCE. BURIED FABRIC SHALL NOT BE VISIBLE.
9" MIN. NCDENR REPRESENTATIVE. THE ACTION WILL BE
rwfhw2v APPROVED WHEN THE CONTRIBUTING DRAINAGE AREA IS INLET ZONE
CENTER OF THE DAM IS STEP STEP2 STABLE. 25% OF SURFACE AREA
Posrs MAX 6' o.c.
TO BE 9" LOWER THAN 4. PLACEMENT OF BAFFLES:
WIRE FENCE "HOG WIRE"
ATTACH THE JUTE NETTING OR OTHER FABRIC BACKFILL THE TRENCH AND COMPACT THE SOIL INLET ZONE- 35 % OF LENGTH FROM ENTRY POINT
FILTER FABRIC THE EDGES (MIN) APPROVED BY THE ENGINEER TO THE STAY WIRE FIRMLY TO ANCHOR THE BOTTOM OF THE SILT FIRST CELL - 25% OF LENGTH FROM INLET ZONE FIRST CHAMBER
A
- FILTER FABRIC
TO FORM A WEIR AND POSTS, EXTEND THE BOTTOM OF THE FABRIC FENCE. BURIED FABRIC SHALL NOT BE VISIBLE. SECOND CELL - 25% OF LENGTH FROM FIRST CELL 25% OF SURFACE AREA
I\ II
8" INTO THE TRENCH AND TURNED OUT 4" IN THE THE TOP OF THE FABRIC SHALL BE 6" HIGHER OUTLET ZONE - 15 % OF LENGTH FROM SECOND CELL
THAN THE WEIR.
4 #9 WIRE STAPLES 1-1/2" LONG
CLASS A OR B EROSION TRENCH OR USE 8" EROSION CONTROL MATTING SECOND CHAMBER
\
I �I
`I
T'
I } I
H BOTTOM OF WIRE FENCE AND
=
O FILTER FABRIC BURIED 8" IN
CHANNEL OR DITCH STAPLES. 25% OF SURFACE AREA
CONTROL STONE ?, POSTS MAX 4' O.C.
APPLICATION A CUTLET ZONE
\
TURNED
RENCHTRENC
x
24" MAX.
J TOP STAY WIRE OR ROPE 25% OF SURFACE AREA
OUT4EXCAVAIN THETED
AT CENTER A
_FLOW
JUTE NETTING OR EQUIVILENT
MAINTENANCE xQ BOTTOM OF FABRIC BURIED 8"
IN EXCAVATED TRENCH &
STEEL POST DRIVEN
24" INTO GROUND
TURNED OUT 4" IN THE PERSPECTIVE VIEW
1. INSPECT THE CHECK DAMS AFTER EACH RAINFALL BUT IN NO TRENCH, OR PINNED WITH 8"
A
CASE LESS THAN ONCE PER WEEK FILTER FABRIC = EROSION CONTROL MATTING
STEP
STEP
SECTION A -A
STAPLES.
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE FLOW
MAINTENANCE
ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN. TAKE CARE SECTION A -A
1. INSPECT SEDIMENT FENCES AT LEAST
ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY.
TO AVOID UNDERMINING THE DAM DURING C.`LEANOUT. STEEL POST DRIVEN
2. SHOULD THE FABRIC OF A SEDIMENT FENCE
COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE,
REPLACE IT PROMPTLY.
3. CLEAN OR REPLACE THE STONE WHEN IT SHOWS SIGNS OF A 24" INTO GROUND
3. REMOVE SEDIMENT DEPOSITS AS NECESSARY
TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE
NEXT RAIN AND TO REDUCE
CLOGGING OR OTHERWISE DOES NOT PERFORM CORRECTLY STEP 3 STEP 4
SECTION A -A
PRESSURE ON THE FENCE. TAKE CARE TO
AVOID UNDERMINING THE FENCE DURING CLEANOUT.
4. WEIR SECTION MUST BE 9" LOWER THAN ABUTMENTS
NTS
5. DOWNSTREAM APRON LENGTH SHOULD BE 3 TIMES THE NTS NTS
4. REMOVE ALL FENCING MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO
GRADE AND STABILIZE AFTER
HEIGHT OF THE WEIR.
THE CONTRIBUTING DRAINAGE AREA HAS
BEEN PROPERLY STABILIZED AND NCDENR APPROVES REMOVAL.
10 SILT FENCE
11 CHECK DAM WITH WEIR 12 POROUS BAFFLES
site
solutions
Civil engineering I land surveying
409 Chicago Drive, Suite.U2, Fayetteville, NC 28306
office 1910-426-6777 fax [phone] license number I C-2354
wwwAD s ite sotuti ons.com
CARO
SEA02
10
•
G I NE .•'����
�O 1
O5-15--z2
REVISIONS
PROJECT NAME
FAIRGROUND
FARMS
SUBDIVISION
SITE & EROSION
CONTROL
DETAILS
CLIENT
AGS LAND, LLC
1786 Metromedical Drive
Fayetteville, North Carolina 28304
Phone: [phone]
PROJECT INFORMATION
DESIGNED BY:
BRETT
DRAWN BY:
BRETT
CHECKED BY:
SCOTT
PROJECT NUMBER:
1862
DRAWING SCALE
NOT TO SCALE
DATE RELEASED
SEPTEMBER 15, 2022
SHEET NUMBER
C-6nO