SW5230802_Plansheet - Other_20240612 (6)

Silt Fence Specifications ftaefize Standards and Specificafions Prac'rive Standards and Specifications
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area to grade and subilize it after the cantTibutiing drainage area has berm I/ /r Al j �j fence W >>� I I I f I�,r
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f� afoe� lls ph}sce]ind�r iiLoel prrapenia. The�abt:it �ha]I h ati5c References ASTM D 6461 - 99_ "Standard Specification for Silt Fence Materials' ASTM �� "�� �\\�� j�\i\\� ArEACHr�Vr pF1F1lS � ;I F.i31 I:' t '' e .�=:iG;': � _ �:� J ����' �� _ Q °c,� �
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r _ - f \�\� 1�\�!\\ fxer pcsr.nil wiihln!op 8`of ird:rlc. 24" the trench i e■ '_ '�c� °° `, v
Tiyie rdkr rafLasit �halE he fU ed wrlh�udakaie uT� fur prt%tc0iva aSiismsI Annual Book of ASTM Standards volume information,refer to the standard's j
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711e filaer(AKic smell mtel.Ihr 1roI Low inI;JlUninwm phksitai req u i re mba n u: ASTM D &162 - 03_ "rSmodard Pracii-ce for Silt Fence Installaticyn" ASTM No more than 24"of 3T fabric use oats sea 00Lsl or poll wire.
L}Itafl EILT Lf4 TFAT 14 "R*b n liar% kZo.'F is allowed a15o re ground_
LntematiomL For referenced ASTM standard&, visit the ASTM website, Wire
TensiLe Sb-englh ASTM Le 4632 (DOIh w+r�w,3strli_oS'g_or contact ASTM�ustame�r Ser+riae at ser'rzL�eQastni.ar& Far fenrz
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Kentucky Erosion Pres�en ion and Sediment Control Field Manual 20[14_ � , •: . .• _
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SILT FENCE U
CONSTRUCTION SEQUENCE
1. OBTAIN PLAN APPROVALS AND ALL APPLICABLE PERMITS. NO LAND NO LAND DISTURBING ACTIVITIES,
INCLUDING TIMBERING OR DEMOLITION ACTIVITIES ARE ALLOWED WITHOUT FIRST OBTAINING A SEDIMENT
AND EROSION CONTROL PLAN APPROVAL AND CERTIFICATE OF COVERAGE.
2. EROSION AND SEDIMENT CONTROL(E&SC)PERMIT AND CERTIFICATE OF COVERAGE(COC) MUST BE
OBTAINED BEFORE ANY LAND DISTURBING ACTIVITIES OCCUR. THE COC MAY BE OBATINED BY FILLING OUT Date: Page; O
THE ELECTRONIC NOTICE OF INTENT(e-NOI)FORM AT DEQ.NC.GOV/NCGO1. A COPY OF THE E&SC PERMIT, L�
THE COC,AND A HARD COPY OF THE PLAN MUST BE KEPT ON SITE, PREFERABLY IN A PERMITS BOX,AND 4'MIN- SILT FENCE U
ACCESSIBLE DURING INSPECTION. O
3. CONTACT THE THE DEMLR RALEIGH REGIONAL OFFICE TO SCHEDULE A PRE-CONSTRUCTION MEETING PRIOR
TO COMMENCE LAND DISTURBANCE. (15A NCAC 04B.106(b)).AND; L1_I
4 CONTACT THE NCDEQ DEMLR RALEIGH REGIONAL OFFICE(919-791-4200)AT LEAST 48 HOURS PRIOR TO `' i,
SILT/]FILTER BAG DETAIL = 5Q Q LL
INITIATION OF LAND DISTURBING ACTIVITIES. - W z
5. PER NPDES REQUIREMENTS A RAIN GAUGE, SELF INSPECTION RECORDS, PERMIT, CERTIFICATE OF r Q
<'�gr54 aaAaa ° ;°Aaa��<aA a°�; QeD�° " COVERAGE,AND S&E PLAN ARE REQUIRED TO BE MAINTAINED ON SITE AND ACCESSIBLE DURING TOP OF SILT FENCE {:
G°84<C DD°q a.-._. . V A A ° GA A AA °n ADD r~ '• ' ' O I-
°°= - - ' «-- •�:;- ^_;-'- -- °.,` INSPECTION. IT IS RECOMMENDED THAT THESE ITEMS BE PLACED IN THE PERMITS BOX AT THE BEGINNING OR MUST BEAT LEAST 1'
PAS ,r'•;t •.._!.' • •. l
' :•:: ;- •.:;L,..:.-.,. . :; ABOVE THE TOP OF
T,pRAP.,, r ,. ..••:.: : .:.;..::'• :.::;:,:;.::•_;.: :••:1 ENTRANCE OF PROJECT. THE CONTRACTOR SHALL CONDUCT SELF INSPECTION OF THE SEDIMENT AND THE WASHED STONE Q
5t• 1 Q
FLOW ; "_ 1 EROSION CONTROL MEASURES AND COMPLETE THE FOLLOWING COMBINED SELF-INSPECTION FOUND ON
. l
".'•':':.:•;FILTER BAr;'' '°.::.`•.`'4`> '';i THE DEMLR WEBSITE https:Hdeq.nc.gov.about/divisions/energy-mineral-land-resources/erosion-sediment-control/forms. U
TWELVE MONTHS OF COMPLETE INSPECTION FORMS SHALL BE KEPT ON-SITE AND AVAILABLE FOR STEEL FENCE POST U
a��°ggaoQa. l';;;:; :'�•.� INSPECTION AT ALL TIMES. IT IS RECOMMENDED A COPY BE KEPT IN A PERMITS BOX.
WIRE FENCE
° 6. SELF-INSPECTIONS FOR E&SC MEASURES ARE TO BE PERFORMED AT LEAST ONCE EVERY 7 CALENDAR DAYS HARDWARE CLOTH FRONT VIEWPUMP DISCHARGE HOSE 12 IN MIN. AND WITHIN 24 HOURS OF EVERY RAIN EVENT OF GREATER THAN 1 INCH.ANY NEEDED REPAIRS SHALL BE BURY WIRE FENCE.
ULCH, LEAF/WOOD COMPOST, MADE IMMEDIATELY TO MAINTAIN MEASURES AS DESIGNED.ALL E&SC MEASURES SHALL BE MAINTAINED AS FILTER FABRIC, z
PLAN VIEW WOODCHIPS, SAND, OR STRAW BALES AND HARDWARE
SPECIFIED IN THE CONSTRUCTION DETAILS ON THIS PLAN. CLOTH IN TRENCH
STRAP FILTER OF TO oCz STEEL FENCE POST W
SLOPE WASHED STONE oe�
FLOW `": ` 4] SET MAX 2'APART
!: °->' ;' 5% MAX. 7. INSTALL TEMPORARY CONSTRUCTION ENTRANCES TO SITE FROM CRAFT LANE, (FORMERLY KNOWN AS BIRCH 9Q, MIN. 18"INTO SOLID
° 5
STREET). GROUND M
3'FILTER FABRIC (�
pqa ON cRouNa NOTES: z Z N
ELEVATION FILTER BAG g IN MIN. 8. INSTALL SILT FENCE AND(5)STONE OUTLETS ALONG PERIMETER AS SHOWN ON THE PLANS. o�° 0 �a °� 1. Hardware cloth and gravel should overlay tt�e silt fence at least 12 inches. 0 E Z
CONSTRUCTION SPECIFICATIONS 0�° 0a ' o 2. Stone outlets should be placed on low elevation areas of silt fence and < > �
9. INSTALL SKIMMER BASIN AND DIVERSION BERMS AS SHOWN ON THE PLANS. oC� 8 °
pp °c $ based on field conditions. O
1. TIGHTLY SEAL SLEEVE AROUND THE PUMP DISCHARGE HOSE WITH A STRAP OR SIMILAR DEVICE. ° O O O°p O z 0 (_0 00 ~
10. BEGIN CLEARING/GRUBBING AND ROUGH GRADING OF SITE. MAINTENANCE: U
2. PLACE FILTER BAG ON SUITABLE BASE (E.G., MULCH, LEAF/WOOD COMPOST, WOODCHIPS, SAND, OR y_
STRAW BALES) LOCATED ON A LEVEL OR 5% MAXIMUM SLOPING SURFACE. DISCHARGE TO A 1, Per NCG-01, inspect outlet at lest once a week and after each 1 inch
STABILIZED AREA. EXTEND BASE A MINIMUM OF 12 INCHES FROM EDGES OF BAG. 11. INSTALL DIVERSION SWALES,AND CULVERTS/PIPES AS SHOWN ON THE PLANS. PROVIDE OUTLET of greater rainfall event. Complete an required repairs immediate) O
BURY WIRE FENCE AND HARDWARE CLOTH BURY 6'OF UPPER EDGE OF p q p y' O (n
PROTECTION FOR PIPES AS SHOWN ON THE PLANS. 2. Freshen stone when sediment accumulation exceeds 6 locales. W W }' �-
3. CONTROL PUMPING RATE TO PREVENT EXCESSIVE PRESSURE WITHIN THE FILTER BAG IN ACCORDANCE FILTER FABRIC IN TRENCH 1
WITH THE MANUFACTURER RECOMMENDATIONS. AS THE BAG FILLS WITH SEDIMENT, REDUCE PUMPING 3. Keep mesh free of debris to provide adequate flow. U ) U U p
RATE. 12. PROVIDE GROUND COVER IN TIME FRAMES SHOWN ON GROUND STABILIZATION SHEET. 4. Remove Sediment Where half of stover outlet is covered _0
00
4. REMOVE AND PROPERLY DISPOSE OF FILTER BAG UPON COMPLETION OF PUMPING OPERATIONS OR S. Replace stone as needed to facilitate de-watering. o� W Q z Qi N Q
AFTER BAG HAS REACHED CAPACITY, WHICHEVER OCCURS FIRST. SPREAD THE DEWATERED SEDIMENT
FROM THE BAG IN AN APPROVED UPLAND AREA AND STABILIZE WITH SEED AND MULCH BY THE END 13. COMPLETE FINE GRADING AND PROVIDE PERMANENT GROUND COVER AS PER VEGETATION PLAN. a W
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OF THE WORK DAY. RESTORE THE SURFACE AREA BENEATH THE BAG TO ORIGINAL CONDITION UPON SECTION VIEW U - 4
REMOVAL OF THE DEVICE. 14. PERIMETER MEASURES MUST BE LEFT IN PLACE UNTIL ALL UPLAND AREAS ARE PERMANENTLY STABILIZED. O ,U)M C� � � -�
5. USE NONWOVEN GEOTEXTTLE WITH DOUBLE STITCHED SEAMS USING HIGH STRENGTH THREAD. SIZE AFTER THE SITE IS PERMANENTLY STABILIZED, REMOVE ALL TEMPORARY EROSION CONTROL MEASURES AND O Q) 0) rA U ct O Q
SLEEVE TO ACCOMMODATE A MAXIMUM 4 INCH DIAMETER PUMP DISCHARGE HOSE. THE BAG MUST BE Z W Lr�
PROVIDE PERMANENT SEEDING WHERE TEMPORARY MEASURES HAVE BEEN REMOVED AND GROUND COVER NORTH CAROLINA '� ')
MANUFACTURED FROM A NONWOVEN GEOTEXTILE THAT MEETS OR EXCEEDS MINIMUM AVERAGE ROLL r U �
VALUES (MARV) FOR THE FOLLOWING: IS NOT ADEQUATE. rEnvironmental qualiry SILT FENCE OUTLET
ct
GRAB TENSILE 250 LB ASTM D-4632
PUNCTURE 150 LB ASTM D-433 15. ALL PROPOSED E&SC MEASURES MUST BE MAINTAINED AND SKIMMER BASIN NOT DECOMMISSIONED UNTIL W ( /1 � N
FLOW RATE 70 GAL/MIN/FT' ASTM D-4491 PERMANENT VEGETATION HAS BEEN ESTABLISHED. I I lJ J
PERMITTIVITY (SEC') 1.2 SEC-' ASTM D-4491 I I I
UV RESISTANCE 70% STRENGTH ® 500 HOURS ASTM D-4355
APPARENT OPENING SIZE (AOS) 0.15-0.18 MM ASTM D-4751 16. ALL DEWATERING ON THE PROJECT(UTILITY TRENCHES AND BASINS)SHALL BE DONE THROUGH A
SEAM STRENGTH 90% ASTM D-4632 SILT/FILTER BAG WITH A FLOATING INTAKE THAT IS CONSTANTLY MONITORED WHILE IN USE.
6. REPLACE FILTER BAG IF BAG CLOGS OR HAS RIPS, TEARS, OR PUNCTURES. DURING OPERATION KEEP
CONNECTION
BETWEEN PUMP HOSE AND FILTER BAG WATER TIGHT. REPLACE BEDDING IF IT BECOMES 17. ONCE THE SKIMMER BASIN IS READY TO BE DECOMMISSIONED, DEWATER THE BASIN THROUGH A SILT/FILTER
DISPLACED.
BAG. BRING THE FORMER BASIN AREA TO FINAL GRADE,AND STAB ILIZE/REVEGETATE THE AREA AS PER THE �--i
VEGETATION PLAN.ONCE PERMANENT VEGETATION HAS BEEN ESTABLISHED,AND ALL UP-SLOPE AREAS HAVE W a
BEEN STABILIZED, THE SKIMMER BASIN IS TO BE CONVERTED TO A PERMANENT DRY DETENTION BASIN.
NCDEQ SHOULD BE NOTIFIED 10 DAYS PRIOR TO DEWATERING A BASIN.AFTER DEWATERING THE BASIN W O
THROUGH A SILT/FILTER BAG,THE SKIMMER SHOULD BE REMOVED FROM THE HORIZONTAL OUTLET PIPE. �{
AFTER SKIMMER REMOVAL;, SET THE PVC RISER PIPE INTO THE CONCRETE ANTI-FLOTATION BLOCKAND
PROVIDE A WATER TIGHT CONNECTION TO THE HORIZONTAL OUTLET PIPE. INSTALL THE DRAW-DOWN r��--
ORIFICE AS SHOWN ON THE BASIN OUTLET DETAIL.
18. WHEN THE PROJECT IS COMPLETE,THE PERMITTEE SHALL CONTACT DEMLR TO CLOSE OUT THE E&SC PLAN.
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AFTER DEMLR INFORMS THE PERMITTEE OF THE PROJECT CLOSE OUT,VIA INSPECTION REPORT, THE
PERMITTEE SHALL VISIT DEQ.NC.GOV/NCGO1 TO SUBMIT AN ELECTRONIC NOTICE OF TERMINATION (E-NOT).A r/
$100 ANNUAL �EfRALPERMIT FEE WIj BF�6.�1ARGID ITIL THE ExNOT H/�S MN FILLET OI2 Ili^I`^I
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