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HomeMy WebLinkAboutSW6230602_Plansheet - Erosion Control Detail_20230705 DESIGN CRITERIA AGGREGATE SIZE-USE 2-3 INCH WASHED STONE 4Dsite DIMENSION OF GRAVEL PAD GRAVEL ENTRANCE SHALL BE 50 FEET THICKNESS-6 INCHES MINIMUM solutions 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 civil engineering I land surveying 1.UNLESS OTHERWISE INDICATED,ALL VEGETATIVE AND 7.ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT 6 LENGTH- 50 FT.MINIMUM.L 409 Chicago Drive,Suite 112,Fayetteville,NC 28306 STRUCTURAL EROSION AND SEDIMENT CONTROL MEASURES SHALL CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING LOCATION-LOCATE CONSTRUCTION ENTRANCES AND office 910-426-6777 fax 1910-426-5777 license number I C-2354 BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL EXITS TO LIMIT SEDIMENT FROM LEAVING THE SITE wwwADsitesolutions.com MINIMUM STANDARDS AND SPECIFICATIONS OF THE NORTH STABILIZATION IS ACHIEVED. AND PROVIDE FOR MAXIMUM UTILITY BY ALL FILTER FABRIC CONSTT RUCTION VEHICLES. AVOID STEEP GRADES CAROLINA EROSION AND SEDIMENT CONTROL HANDBOOK. 2-3"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 TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR LATE WINTER AND EARLY SPRING) SEEDING MIXTURES: WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING MAINTAIN AT NO ADDITIONAL EXPENSE To THE OWNER. ACTIVITY,AND ONE WEEK PRIOR TO FINAL INSPECTION. 9.DURING DEWATERING OPERATIONS,WATER SHALL BE PUMPED CONTRACTOR SHALL SUPPLEMENT AND MAINTAIN GRAVEL SEEDING MIXTURE: CONSTRUCTION ENTRANCES AT HIS EXPENSE UNTIL FINAL INTO AN APPROVED FILTERING DEVICE PRIOR TO DISCHARGE TO ACCEPTANCE. 1��`11 SPECIES RATE(LB./ACRE) SPECIES RATE(LBS.IACRE) 3.IF POSSIBLE ALL EROSION AND SEDIMENT CONTROL MEASURES RECEIVING OUTLET. ��``] CjARO ARE TO BE PLACED PRIOR TO CLEARING AND/OR LAND DISTURBANCE. Z Q �� ��•••••�� �� RYE(GRAIN) 120 TALL FESCUE 80 10.THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL Z�10'z � Q /O••/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. MAINTENANCEOMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT EXTEND BEYOND JUNE. SERICEA LESPEDEZA 30PLAN AND PERMIT SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE :EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MAINTAIN THE GRAVEL PAD INBA CONDITION TO PREVENT MUD OR KOBE LESPEDEZA 10 .SEA SEEDING DATES: 5.PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS MADE IMMEDIATELY. SEDIMENT FROM LEAVING THE CONSTRUCTION SITE.THIS MAY • 027 OTHER THAN INDICATED ON THESE PLANS(INCLUDING,BUT NOTJrQ' REQUIRE PERIODIC TOPDRESSING WITH 2-INCH STONE.AFTER EACH JANUARY 1-MAY 1 SEEDING NOTES: LIMITED TO OFF-SITE BORROW OR WASTE AREAS,STAGING OR 11.ALL TEMPORARY EROSION CONTROL MEASURES SHALL BE n7i!]. 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 .�(j NE��•• 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. �j ...... LB./ACRE 10-10-10 FERTILIZER. CC)TT NURSE PLANTS: NEECESSARYOR SHALL PAY MEASURES ATALL FEES NO SEPARAfTEIRED PAYMAN,D SH T. HLEL INSTALL 12.TEMPORARY GRAVEL CONSTRUCTION ENTRANCE SHALL BE ''11611111 lilt REQUIRED AT ALL CONSTRUCTION STAGING AREA ENTRANCES AND REQ MULCH: 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 � �� ��-�^,! APPLY 4,000 LB./ACRE STRAW.ANCHOR STRAW BY TACKING WITH ASPHALT,NETTING,OR A MULCH ANCHORING TOOL. OR AFTER AUG.15,ADD 25 LBJACRE 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 N MAINTENANCE: BEST POSSIBLE EROSION AND SEDIMENTATION AS DETERMINED BY EITHER NCDENR RESTORE SLOPES TO ORIGINAL CONTOURS,BUT NOT STEEPER THAN 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 6"MIN.THICKNESS EROSION OR OTHER DAMAGE. FALL: SEPT.1-SEPT.30 SEPT.1-OCT.31 IMMEDIATELY. 2-3"COURSE REVISIONS 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 SEEDING DATES: BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. 3 GENERAL EROSION AND SEDIMENT CONTROL NOTES 4 TEMPORARY GRAVEL CONSTRUCTION ENTRANCE MAY 1-AUGUST 15 MAINTENANCE: IF GROWTH IS LESS THAN FULLY ADEQUATE,REFERTILIZE IN THE SECOND YEAR,ACCORDING TO THE SOIL TESTS OR PVC VENT PIPE SOIL AMENDMENTS: TOP DRESS WITH 500 LB./ACRE 10-10-10 FERTILIZER. MOW AS NEEDED WHEN SERICEA IS OMITTED FROM THE MIXTURE. 7-�INLET 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 LBJACRE 10-10-10 FERTILIZER. NOTE: THIS CROSS SECTION IS TO BE USED FOR THE MULCH: SEEDING SPECIFICATIONS ENTIRE LENGTH OF THE SWALE. APPLY 4,000 LBJACRE 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 MAINTENANCE: SPECIES RATE(LB./ACRE) REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED,REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING COMMON BERMUDAGRASS 40-80(1-2 LB. , GRASS OR EROSION EXISTING ® " EROSION OR OTHER DAMAGE. /1000 FT2) CONTRL LINING SEE GROUND SEEDING DATES: GRADING PLAN FLEXIBLE HOSE TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR FALL) COASTAL PLAIN: APR.-JULY 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�j SEE PLAN FOR RYE(GRAIN) 120 AND 500 LB./ACRE 10-10-10 FERTILIZER. 1 3 DEPTH r 1 SEEDING DATES: MULCH: 3 3 CONSTRUCTION SPECIFICATIONS: USE JUTE,EXCELSIOR MATTING,OR OTHER EFFECTIVE CHANNEL LINING MATERIAL TO COVER THE BOTTOM OF -i TYPICAL ** AUGUST 15-DECEMBER 30 ( SCH 40 PVC SKIMMER CAN BE PURCHASED FROM J.W. FAIRCLOTH & SON INC. CHANNELS AND DITCHES. THE LINING SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW. ON I I�I I�I I- 1.REMOVE ALL TREES,BRUSH,STUMPS,AND OTHER PIPE SKIMMER CHOSEN SHALL BE EQUAL TO THE FAIRCLOTH SKIMMER. CHANNEL SIDE SLOPES ABOVE THIS HEIGHT,AND IN DRAINAGES NOT REQUIRING TEMPORARY LININGS,APPLY 4,000 GRADING N OBJECTIONABLE MATERIAL FROM THE FOUNDATION AREA. SOIL AMENDMENTS: LB./ACRE GRAIN STRAW AND ANCHOR STRAW BY STAPLING NETTING OVER THE TOP. I I 2.EXCAVATE THE CHANNEL AND SHAPE IT TO NEAT LINES MAINTENANCE FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE AND COMPACTED PLAN) AND DIMENSIONS SHOWN ON THE PLANS PLUS 0.2 FT 1,000 LB./ACRE 10-10-10 FERTILIZER. MULCH AND ANCHORING MATERIALS MUST NOT BE ALLOWED TO WASH DOWN SLOPES WHERE THEY CAN CLOG SUBGRADE OVERCUT AROUND THE CHANNEL PERIMETER TO ALLOW INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AN AFTER EACH SIGNIFICANT (0.5 INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE MULCH: DRAINAGE DEVICES. 2.0' UNLESS FFORDBUPLKING DURING SEEDBED PREPARATIONS AND SOD SEDIMENT AND RESTORE BASIN TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO 1/2 HEIGHT OF THE 1ST BAFFLE. PULL THE SKIMMER TO ONE SIDE APPLY 4,000 LBJACRE STRAW.ANCHOR STRAW BY TACKING WITH ASPHALT,NETTING,OR A MULCH ANCHORING TOOL. OTHERWISE SHOWN 3.REMOVE AND PROPERLY DISPOSE OF ALL EXCESS SOIL SUCH THAT THE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE BASIN. MAKE SURE THE VEGETATION GROWING IN THE PROJECT NAME A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. MAINTENANCE: SO THAT SURFACE WATER MAY ENTER THE CHANNEL BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER. A MINIMUM OF 3 WEEKS IS REQUIRED FOR ESTABLISHMENT. INSPECTION AND REPAIR MULCH FREQUENTLY. FREELY. 4.ESTABLISH GRASS IN THE CHANNEL IMMEDIATELY. REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE-ANCHOR THE BAFFLES IF WATER IS FLOWING UNDERNEATH OR AROUND THEM. MAINTENANCE: REFERTILIZE THE FOLLOWING APR.WITH 50 LB./ACRE NITROGEN. REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOP DRESS WITH 50 LB./ACRE OF NITROGEN IN MARCH. IF 5.USE SEEDING SPECIFICATIONS SHOWN ON THIS SHEET IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND JUNE 15,OVERSEED WITH 50 LB./ACRE KOBE LESPEDEZA TO SEED SWALES. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN, USUALLY JERKING THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND B&B LOOP & IN LATE OR EARLY MARCH. DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE SKIMMER OVER TO THE SIDE OF THE BASIN AND REMOVED THE DEBRIS. CHECK THE ORIFICE INSIDE THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO, REMOVE THE DEBRIS. BLUEBERRY 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 MAINTENANCE&CONSTRUCTION: WITH WATER. BE SURE AND REPLACE THE ORIFICE BEFORE REPOSITIONING THE SKIMMER. LANE ROADWAY 1.INSPECT THE SWALE FOR EROSION ONCE A WEEK AND AFTER EVERY RAINFALL. CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY. CHECK 2.IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED AREAS. EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE AND INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS. 3.MAINTAIN PROPER CROSS SECTION UNTIL THE SWALE IS STABLE. NTS NTS IMPROVEMENTS 4.KEEP THE GRASS IN A HEALTHY,VIGOROUS CONDITION AT ALL TIMES. 1 TEMPORARY SEEDING SPECIFICATIONS 2 PERMANENT SEEDING SPECIFICATIONS 5 TYPICAL SWALE CROSS SECTION (DITCH 9) 6 FAIRCLOTH SKIMMER CHANNEL INSTALLATION �12" PLAN VIEW -T L = THE DISTANCE SUCH THAT POINTS A AND B ARE OF EQUAL ELEVATION z I-I I I-I I I-I I I-I I I-I I I- - `-SEDIMENT STORAGE gREq�_ EROSION / Z -I I- -I 11=1 I I-1 11=1 11=1 11=1 11=1 11=III-III-III- I- S� STRUCTURE a I I I I- _ _ _ _ -III-III=1 I I-III III=1 11= -1 I-1 :.:.....::::.:.. :.. . . . . . . . .\///\//• .\•. I I._III-III-1 I I-1 11=1 11=1 11=1 11=1 �/ \ \/ /\ " _ yn-4_ I-III-III-III FINISH GRADE SF9.5B / \\ \\// /\/\//\ 6" `r ' ''; f CENTER OF THE DAM IS CONTROL & SITE J, TO BE 9" LOWER THAN " " o 5 SKIMMER THE EDGES (MIN) A 1 5' DETAILS " �\ \� O - DEDEVICENG TO FORM A WEIR MIN. r I DEVICE EMERGENCY I \" �� ^^^ r ] - I-4"� �� ON STONE SPILLWAY I I oo - +1 ,� �.^ /� BEDDING 9" MIN. CV �'+ ^ `� MIN 8" >/ O CENTER OF THE DAM IS \\/\\\\�• (] TO BE 9" LOWER THAN 00 / ] FILTER FABRIC THE EDGES (MIN) - �/ \ \ 1 ............ I- 2 -5" BAFFLES EMBANKMENT TO FORM A WEIR - I............:::: \ \' :C:{{:{ 11 INFLOW 1' FREEBOARD / �, STRUCTURE BAFFLES CLASS A OR B EROSION \ \' CHANNEL OR DITCH CLIENT � =MOM � CONTROL STONE \ \ \ y APPLICATION/ •1 6 A 0 24" MAX. �: :: :: ::: :: : :" / I "COMPACTED / i 4i 8 qI /\/\ J AT CENTER ABC \ \ \ /\ 6" MIN. INVE T ELEVATION OF 6" \\\/\\\ 4"-6" DEWATERING EMERGENCY SPILLWAY MAINTENANCE 6" �/\ ` ZONE EMERGENCY COMPACTED J&K GENERAL SPILLWAY / \ 1.INSPECT THE CHECK DAMS AFTER EACH RAINFALL BUT IN NO SUBGRADE \ \ / .. . . . .. FILTER FABRIC STONE BEDDING FILTER FABRIC CARRY BASE COURSE 6" \/�\/�\ , CASE LESS THAN ONCE PER WEEK BEYOND SURFACE COURSE CONTRACTOR INC O O3.SEDIMENT A EQUOATE STORAGE VOVE SEDIMENT LUOME FOR SITS ASTIHE NEXECESSARY T RAIN.TAKE TO RAIN. IDE SECTION A-A AT LOCATIONS WITHOUT 1. PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING ANY NECESSARY APPLICATION BE LIME, FERTILIZER, AND SEED. STORAGE ZONE TO AVOID UNDERMINING THE DAM DURING CLEANOUT. CURB AND GUTTER NOTE: WHEN USING CELL-O-SEED DO NOT SEED PREPARED AREA. CELL-O-SEED MUST BE INSTALLED WITH PAPER SIDE DOWN. CROSS-SECTION VIEW 3.CLEAN OR REPLACE THE STONE WHEN IT SHOWS SIGNS OF CONSTRUCTION SPECIFICATIONS CLOGGING OR OTHERWISE DOES NOT PERFORM CORRECTLY 2. BEGIN AT THE TOP OF THE CHANNEL BY ANCHORING THE BLANKET IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH WITH 1.CLEAR,GRUB&STRIP TOPSOIL FROM AREAS UNDER THE EMBANKMENT TO 4.WEIR SECTION MUST BE 9"LOWER THAN ABUTMENTS NTS NTS APPROXIMATELY 12" (30 CM) OF BLANKET EXTENDED BEYOND THE UP-SLOPE PORTION OF THE TRENCH. ANCHOR THE BLANKET REMOVE TREES,VEGETATION,ROOTS AND OTHER OBJECTIONABLE MATERIAL. 5.DOWNSTREAM APRON LENGTH SHOULD BE 3 TIMES THE WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30 CM) APART IN THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT PLACE TEMPORARY SEDIMENT CONTROLS BELOW THE BASIN AS NEEDED. HEIGHT OF THE WEIR. THE TRENCH AFTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" (30 CM) PORTION OF BLANKET BACK 2.ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, INLET 1184 Fayetteville Road OVV SEED AND COMPACTED SOIL. SECURE BLANKET OVER COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED VAOD VEGETATION,ORGANIC MATTER AND OTHER OBJECTIONABLE MATERIAL. OXIMATELY 12" 30 CM ACROSS THE WIDTH OF THE BLANKET. QJ4CE THE FILL LIFTS NOT TO EXCEED 91NCHES AND MACHINE COMPACT IT. PVC VENT PIPE 9 CHECK DAM WITH WEIR ASPHALT PAVEMENT Raeford, 10) Carolina 28376 AP ( ) R FILL THE EMBANKMENT BANKMENT 61NCHES TO ALLOW FOR SETTLEMENT. 3. ROLL CENTER BLANKET IN DIRECTION OF WATER FLOW IN BOTTOM OF CHANNEL. BLANKETS WILL UNROLL WITH APPROPRIATE SIDE 3.SHAPE THE BASIN TO THE SPECIFIED DIMENSIONS.PREVENT THE SKIMMING Phone: (910) 638-6102 AGAINST THE SOIL SURFACE. ALL BLANKETS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN DEVICE FROM SETTLING INTO THE MUD BY EXCAVATING PIT UNDER THE SKIMMER OR PROVIDING A LOW SUPPORT UNDER THEE SKIM SKIMMEE R OF STONE APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. WHEN USING THE DOT SYSTEM , STAPLES/STAKES SHOULD BE ORTIMBER. PLACED THROUGH EACH OF THE COLORED DOTS CORRESPONDING TO THE APPROPRIATE STAPLE PATTERN. 4.PLACE THE BARREL ON A FIRM,SMOOTH FOUNDATION OF IMPERVIOUS SOIL. PLACE THE FILL MATERIAL AROUND THE PIPE SPILLWAY IN 4 INCH LAYERS AND 4. CMPACT IT UNDER AND AROUND THE PIPE TO AT LAST THE SAME DENSITY ROW OFESTAPLESCSTIVE AGGE STAGGERED END 10 CMVER APART ANDND L4"S(10ECM ITONACENTER6TO 1SEC RE BLANKETS.OVERLAP. USE A DOUBLE THEE ADJACENTEMBANKM EMBANKMENT. ACEAMINIMUMOFE2FEETOFCOMPACTED AS pOpppp 60' EXISTING ROW PROJECT INFORMATION ( ) ) BACKFILL OVER THE PIPE SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION 5. FULL LENGTH EDGE OF BLANKETS AT TOP OF SIDE SLOPES MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES EQUIPMENT. FLEXIBLE HOSE VARIES 6' 20' 6' APPROXIMATELY 12" (30 CM) APART IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH 5.ASSEMBLE THE SKIMMER FOLLOWING THE MANUFACTURER'S INSTRUCTIONS. (SWALE) (SHOULDER) (SHOULDER) DESIGNED BY: SEAN/CHRIS AFTER STAPLING' 6.LAY THE ASSEMBLED SKIMMER ON THE BOTTOM OF THE BASIN WITH THE FLEXIBLE JOINT AT THE INLET OF THE BARREL PIPE.ATTACHED THE FLEXIBLE 10, 10, a 6. ADJACENT BLANKETS MUST BE OVERLAPPED APPROXIMATELY 2" - 5" (5 CM -12.5 CM) (DEPENDING ON BLANKET TYPE) AND JOINT TO THE BARREL PIPE AND POSITION THE SKIMMER OVER THE EXCAVATED DRAWN BY: SEAN/CHRIS N STAPLED. PIT.ATTACH A ROPE TO THE SKIMMER AND ANCHOR IT TO THE SIDE OF THE SCH "SKIMMER CAN BE PURCHASED FROM J.W. FAIRCLOTH & SON INC. o BASIN. PIPE SKIMMER CHOSEN SHALL BE EQUAL TO THE FAIRCLOTH SKIMMER. CHECKED BY: SCOTT 7. IN HIGH FLOW CHANNEL APPLICATIONS, A STAPLE CHECK SLOT IS RECOMMENDED AT 30 TO 40 FOOT (9 M - 12 M) INTERVALS. 7.INSTALL THE SPILLWAY IN UNDISTURBED SOIL TO THE GREATEST EXTEND 5' N USE A DOUBLE ROW OF STAPLES STAGGERED 4" (10 CM) APART AND 4" (10 CM) ON CENTER OVER ENTIRE WIDTH OF THE POSSIBLE.THE SPILLWAY SHOULD BE LINED WITH LAMINATED PLASTIC OR SKIMMER < PROJECT NUMBER: 1649 o CHANNEL. IMPERMEABLE GEOTEXTILE FABRIC.THE FABRIC MUST BE WIDE AND LONG d •5' CARRY BASE COURSE 6" ENOUGH TO COVER THE BOTTOM AND SIDES AND EXTEND ONTO THE TOP OF BEYOND SURFACE COURSE THE DAM FOR ANCHORING IN A TRENCH.THE EDGES MAY BE SECURED WITH 8 8% 1 2% 2% y 2" S9.5B 8% 8. THE TERMINAL END OF THE BLANKETS MUST BE ANCHORED WITH A ROW OF STAPLES STAKES APPROXIMATELY 12 (30 CM) INCH STAPES.THE FABRIC MUST BE LONG ENOUGH To EXTEND DOWN THE N w SLOPE AND EXIT ONTO STABLE GROUND.THE WIDTH OF THE FABRIC MUST BE o APART IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. ONE PIECE.IF MULTIPLE SECTIONS AREA REQUIRED,THE UPPER SECTION DRAWING SCALE U NOTE: * IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6" (15 CM) MAY BE NECESSARY TO SHOULD OVERLAP THE LOWER SECTION SO THAT WATER CANNOT FLOW UNDER THIS IS FOR PROPERLY ANCHOR THE BLANKETS. THE FABRIC. MAINTENANCE \\ / / / /\/\/, \/\/\ 3 A 8.DISCHARGE WATER INTO THE BASIN TO PREVENT EROSION.USE TEMPORARY INSPECT SKIMMER SEDIMENT BASINS WEEKLY AND AFTER EACH PERIOD OF \/\ \, \\/ ' \ /\ \//��//\//\/ / �\�/�\�/�\�\\ //��/����/��/����/ /\//\//\/\//\//\//\��\\/�\\/�\\��\\//\\�\//�/� //� \, FILL SECTION \ \ \ \ \ \ I ' NOT TO SCALE ¢ B *OHORIZONTAL STAPLE SPACING SHOULD BE ALTERED GINAL LADEN WATER TTE: SLOPE DRAINS OO THE UPPIEER END OF ONS WITH THEPOOL ET PROTECTION TO IMPROVE BASIN TRAPDIMENSIONS WHEN THE SEDIMENT HA SIGNIFICANT RAINFALL. REMOVE S ACCUMUMENT LATED ATED TO ONE-HALF THE RESTORE TRAP TO ITS HEIGHT 1 \r 1 \\ \\ \/ 1 o C CRITICAL POINTS IF NECESSARY TO ALLOW STAPLES TO SECURE THE EFFICIENCY. OF THE FIRST BAFFLE. EXCAVATE SEDIMENT FROM THE ENTIRE BASIN.MAKE SURE 3 / ///� 3 //j�/j�/�/ MINIMUM 8" COMPACTED ABC 3 \\\ VEGETATION GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE *GEOTECHNICAL ENGINEER SHOULD BE ��/\/\ o A. OVERLAPS AND SEAMS CRITICAL POINTS ALONG THE CHANNEL SURFACE. 9.CONSTRUCT THE STRUCTURE SE THAT THE DISTURBED AREA IS MINIMIZED. SKIMMER.PLACE THE SEDIMENT THAT IS REMOVED IN AN AREA WITH SEDIMENT COMPACTED /\\//\ \ SUBGRADE CONSULTED TO DETERMINE DEPTH OF ABC Z C. CHANNELD WATER LINE BOTTOM SIDE ** EMBANKMENT BEFORE THE AREADIVERT SURFACE WATER AWAY ISCLEAREDOM BARE . COMPLETE THE CONTROLS. NEEDED TO MEET NCDOT REQUIREMENTS /�i�/��//\ DATE RELEASED / IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE REPAIR THE BAFFLES IF THEY ARE DAMAGED.RE-ANCHOR THE BAFFLES IF WATER w SLOPE VERTICES OR STAKE LENGTHS GREATER THAN 6" (15 cm) MAY 0 10.INSTALL POROUS BAFFLES AS SPECIFIED. IS FLOWING UNDERNEATH OR AROUND THEM. BE NECESSARY TO PROPERLY ANCHOR THE BLANKETS. USE 3:1 CUT SLOPES IN CUT SECTIONS MAY 20, 2023 11.AFTER ALL SEDIMENT PRODUCING AREAS HAVE BEEN STABILIZED,REMOVE UNCLOGGED THE SKIMMER AS NEEDED.CHECK TO MAKE SURE ORIFICE INSIDE OF j THE STRUCTURE AND ALL THE UNSTABLE SEDIMENT.SMOOTH THE AREA TO THE SKIMMER IS NOT CLOGGED;IF SO,REMOVE THE DEBRIS.IF SKIMMER ARM OR 3: BLEND WITH THE ADJOINING AREAS AND STABILIZE PROPERLY. BARREL IS CLOGGED,REMOVE THE ORIFICE AND CLEAR THE DEBRIS. MAINTENANCE: CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY.CHECK 1.INSPECT THE EROSION CONTROL BLANKET ONCE A WEEK AND AFTER EVERY RAINFALL. THE EMBANKMENT,SPILLWAYS AND OUTLET FOR EROSION DAMAGE.MAKE ALL SHEET NUMBER n 2.IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED BLANKET. NECESSARY REPAIRS IMMEDIATELY.REMOVE TRASH AND DEBRIS FROM THE o SKIMMER AND POOL AREAS. 3.IF GROUND COVER IS NOT ESTABLISHED THROUGH THE BLANKET WITHIN 2 WEEKS,THE BLANKET oa SHOULD BE REMOVED AND THE AREA RESEEDED.AFTER RESEEDING,THE BLANKET SHOULD BE NTS NTS NTS ar co REINSTALLED. v w C -500 Y 10 EROSION CONTROL BLANKET INSTALLATION TEMPORARY SKIMMER BASIN 11 B&B LOOP EXTENSION TYPICAL SECTION (WITH DITCH)