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HomeMy WebLinkAboutSW6230603_Plansheet - C6.2 - EROSION CONTROL DETAILS_20240201 (3) DRIVE STEEL POSTS 18"INTO THE GROUND ATTACH WIRE FENCE TO POSTS AND EXTEND NOTES: MAXIMUM 8'O.C.AND EXCAVATE A 4"X 8" THE BOTTOM OF THE FENCE INTO THE DESIGN CRITERIA TRENCH UPHILL ALONG THE LINE OF EXCAVATED TRENCH AND TURNED OUT POSTS. 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. 4Dsite DIMENSION OF GRAVEL PAD MIN.10 GA.WIRE GRAVEL ENTRANCE SHALL BE 50 FEET NATURAL GROUND 2. FILTER FABRIC SHALL BE A MINIMUM OF 36"IN WIDTH AND ■ THICKNESS-6 INCHES MINIMUM STEEL POSTS STAYWIRES SHALL S FASTENED.ADEQUATELYFABRIC TO THE T OSUCHE solutions IN LENGTH AND 12 FEET IN WIDTH MAX. SLOPE (TYP) WITH 20 FOOT RADIUS AT EXISTING WIDTH- 12 FT.MINIMUM OR FULL WIDTH AT ACCESS MIN.12-1/2 GA STAPLES THAT I LONG. FABRIC THAT DETERIORATESLL SUCH ROADWAY POINTS OF THE VEHICULAR ENTRANCE AND EXIT LINE WIRES EXTENT THAT ITS EFFECTIVENESS IS REDUCED SHALL BE AREA,WHICHEVER IS GREATER MIN.12-1/2 GA. REPLACED BY CONTRACTOR AT CONTRACTOR'S EXPENSE. 36'-0"MIN a'-o" 10'-0" civil engineering I land surveying LENGTH- 50 FT.MINIMUM. 3. STEEL POSTS SHALL BE A MIN.OF S HEIGHT AND SHALL BE 1.UNLESS OTHERWISE INDICATED,ALL VEGETATIVE AND 7.ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT 6� THE SELF FASTENER ANGLE STEEL TYPE. 409 Chicago Drive,Suite 112,Fayetteville,INC 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 IN 2.5 2.5 / 4.CONTRACTOR SHALL REVIEW SILT FENCE ONCE PER WEEK wwwADsitesolutions.com AND TO PROVIDE FOR MAXIMUM UTILITY BY ALL I1 ,I- _ AND AFTER EACH RAINFALL OCCURRENCE.ANY NECESSARY MINIMUM STANDARDS AND SPECIFICATIONS OF THE NORTH STABILIZATION IS ACHIEVED. CONSTRUCTION VEHICLES. AVOID STEEP GRADES NATURAL GROUND z FILTER FABRIC REPAIRS OR CLEAN-UP A MAINTAIN THE EFFECTIVENESS OF CAROLINA EROSION AND SEDIMENT CONTROL HANDBOOK. 2-3"WASHED STONE AND ENTRANCES AT CURVES IN PUBLIC ROADS. 2.5 THE DEVICE SHALL BE MADE IMMEDIATELY. 8.ALL AREAS DISTURBED BY CONSTRUCTION UNLESS OTHERWISE CONTRACTOR SHALL INSTALL ADDITIONAL GRAVEL 1� 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 5.REMOVE DEPOSITED SEDIMENT ALONG THE FENCE TO ONE WEEK PRIOR TO THE PRECONSTRUCTION CONFERENCE,ONE STABILIZED. REQUIRED FOR STAGING AND/OR BORROW AREAS AND PROVIDE ADEQUATE STORAGE VOLUME AND TO REDUCE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING MAINTAIN AT NO ADDITIONAL EXPENSE TO THE OWNER. PRESSURE ON THE FENCE AS NEEDED. ACTIVITY,AND ONE WEEK PRIOR TO FINAL INSPECTION. 9.DURING DEWATERING OPERATIONS,WATER SHALL BE PUMPED CONTRACTOR SHALL SUPPLEMENT AND MAINTAIN GRAVEL STEP 1 STEP 2 5.TEMPORARY MEASURE SHALL NOT BE REMOVED BY THE INTO AN APPROVED FILTERING DEVICE PRIOR TO DISCHARGE TO CONSTRUCTION ENTRANCES AT HIS EXPENSE UNTIL FINAL 3.IF POSSIBLE ALL EROSION AND SEDIMENT CONTROL MEASURES RECEIVING OUTLET. ACCEPTANCE. ATTACH THE FILTER FABRIC TO THE WIRE FENCE, BACKFILL THE TRENCH AND COMPACT THE SOIL CONTRACTOR UNTIL E ACTION TION IS APPROVEDOVER W EN THE REPRESENTATIVE.THE ACTION WILL A APPROVED WHEN THE EXTEND THE BOTTOM OF THE FABRIC R INTO THE FIRMLY TO ANCHOR THE BOTTOM OF THE SILT CONTRIBUTING DRAINAGE AREA IS STABLE. ARE TO BE PLACED PRIOR TO CLEARING AND/OR LAND DISTURBANCE. QO COMPACTED SOIL TRENCH AND TURNED OUT 4"IN THE TRENCH. FENCE. BURIED FABRIC SHALL NOT BE VISIBLE. `���� ••••• ••• �/ ��' 10.THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL 0 Q ••FESS�0 4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL MEASURES WEEKLY AND AFTER EACH RUNOFF-PRODUCING EVENT. C) ; •• � MAINTENANCE *** WHEN A GRAVEL DIVERSION BERM IS REQUIRED, THE HEIGH PLAN AND PERMIT SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE Q JQJ\i MAINTAIN THE GRAVEL PAD INBA CONDITION TO PREVENT MUD OR POSTS MAX 8'O.C. _� •Q� SEA <•: EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE SHALL BE REDUCED TO 12 INCHES AND THE TOP WIDTH TO 6", 5.PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS MADE IMMEDIATELY. SEDIMENT FROM LEAVING THE CONSTRUCTION SITE.THIS MAY ALL OTHER REQUIREMENTS SHALL REMAIN THE SAME. WIRE FENCE"Hoc WIRE" OTHER THAN INDICATED ON THESE PLANS(INCLUDING,BUT NOT SQ' REQUIRE PERIODIC TOPDRESSING WITH 2-INCH STONE.AFTER EACH :`;j` i;[,:;],::::::: 0274 �i TEMPORARY DIVERSION KEY NOTES: ::>:_:.::.<.:>. : a FILTER FABRIC LIMITED TO OFF-SITE BORROW OR WASTE AREAS STAGING OR 11.ALL TEMPORARY EROSION CONTROL MEASURES SHALL BE n, RAINFALL INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND ;: ::>:::::::a:r'.<.:z:::.::::;.:.:. €:::;::::: .. CLEAN IT OUT AS NECESSARY.IMMEDIATELY REMOVE ALL ':�tilI:.>:::s:r+r,+:z:':::;:' :�:`::tstt�"t.;z!:�:t +:<:: :° :.:::..>.:... .�..:.:...- x STORAGE AREAS),THE CONTRACTOR SHALL PREPARE AND SUBMIT REMOVED BY CONTRACTOR ONCE STABILIZATION OR A SUFFICIENT ( �* .; #9 WIRE STAPLES 1_1/2 LONG • ♦ OBJECTIONABLE MATERIALS SPILLED,WASHED OR TRACKED ONTO 1.CLEAR THE ARE UNDER THE BERM AND STRIP THE ROOTS/OTHER ORGANICS. A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR GROUND COVER HAS BEEN ESTABLISHED OR AS DIRECTED BY THE PUBLIC ROADWAYS. 2.COMPACT THE SIDE SLOPES PREFERABLY WITH A TRACKED VEHICLE TO SLOW RUNOFF VELOCITIES. •• •• BOTTOM OF WIRE FENCE AND REVIEW AND TO NCDENR REGIONAL OFFICE FOR APPROVAL. ENGINEER. NCDENR S FINAL APPROVAL IS REQUIRED. / FILTER FABRIC BURIED 8 IN CONTRACTOR SHALL PAY ALL FEES REQUIRED AND SHALL INSTALL 3.VEGITATE THE RIDGE OF THE BERM IMMEDIATELY AFTER CONSTRUCTION UNLESS THE BERM WILL REMAIN IN PLACE »:":.�::sl:.::;?: w EXCAVATED TRENCH&TURNED �� CC) :`»:?z;i:`.;;i:;;;s::;;Es'ts??..:.. x OUT 4"IN THE TRENCH // NECESSARY MEASURES AT NO SEPARATE PAYMENT. THE 12.TEMPORARY GRAVEL CONSTRUCTION ENTRANCE SHALL BE FOR LESS THAN 30 DAYS. >:>�'`' CONTRACTOR SHALL PROVIDE THE OWNER AND THE ENGINEER A REQUIRED AT ALL CONSTRUCTION STAGING AREA ENTRANCES AND ;,i�,. � _FLOW COPY OF THE AMENDED PERMIT. ALL CONSTRUCTION ACCESS LOCATIONS INTO NON-PAVED AREA. �' 6.THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY 13.WHEN CROSSING CREEK OR DRAINAGE-WAY,THE CONTRACTOR ? \� STEEL POST DRIVEN 24"INTO GROUND ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT SHALL RIP-RAP WITH FABRIC DISTURBED BANKS AND CHANNEL AND AGGREGATE N a EROSION AND SEDIMENTATION AS DETERMINED BY EITHER NCDENR RESTORE SLOPES TO ORIGINAL CONTOURS,BUT NOT STEEPER THAN 6" MIN. THICKNESS MAINTENANCE: STEP 3 STEP 4 SECTION A-A OR THE ENGINEER. 2:1 MAXIMUM. DISTURBED CREEK AREA SHALL BE STABILIZED MAINTENANCE IMMEDIATELY. INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL.IMMEDIATELY REMOVE REVISIONS 2-3"COURSE SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE.CAREFULLY CHECK OUTLETS 1.INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL.MAKE ANY REQUIRED REPAIRS IMMEDIATELY. AND MAKE TIMELY REPAIRS AS NEEDED. 2.SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE,TEAR,DECOMPOSE OR BECOME INEFFECTIVE,REPLACE IT PROMPTLY. 3.REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE NTS NTS PRESSURE ON THE FENCE.TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT. 4.REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE AFTER NTS THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED AND NCDENR APPROVES REMOVAL. 1 GENERAL EROSION AND SEDIMENT CONTROL NOTES 2 TEMPORARY GRAVEL CONSTRUCTION ENTRANCE 3 TEMPORARY DIVERSION BERM 4 SILT FENCE CHANNEL INSTALLATION L = THE DISTANCE SUCH THAT POINTS 6" A AND B ARE OF EQUAL ELEVATION ( I-III-III-III-III-III- ��SEDIMENT STORAGE AREA -I . . . ` • ' ` SEEDING SPECIFICATIONS /\ \// /\\/\/\\ 6" CENTER OF THE DAM IS " i / TO BE 9" LOWER THAN TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR LATE WINTER AND EARLY SPRING) SEEDING MIXTURES: " 5 THE EDGES (MIN) A 1.5' SEEDING MIXTURE: 3. SPECIES RATE(LB./ACRE) SPECIES RATE(LBS./ACRE) �� �(� 1 . . . MIN. O TO FORM A WEIR RYE(GRAIN) 120 TALL FESCUE 80 9" MIN. ANNUAL KOBE LESPEDEZA 50 PENSACOLA BAHIAGRASS 50 OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT EXTEND BEYOND JUNE. SERICEA LESPEDEZA 30 O CENTER OF THE DAM IS KOBE LESPEDEZA 10 \\�\�\\� ( (1 TO BE 9" LOWER THAN /y / 1 SEEDING DATES: /\\//\// 1 1 2"-5„ FILTER FABRIC THE EDGES (MIN) JANUARY 1-MAY 1 SEEDING NOTES: \� 1 Q........ . I- TO FORM A WEIR 1.FROM SEPT.1 TO MAR.1 USE UNSCARIFIED SERICEA SEED. \ 1�� / �� CLASS A OR B EROSION PROJECT NAME SOIL AMENDMENTS: 2.ON POORLY DRAINED SITES OMIT SERICEA AND INCREASE KOBE TO 30 LBJACRE. CHANNEL OR DITCH . . \ � CONTROL STONE / �� 2• APPLICATION 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. � � \/\ 6. A LB./ACRE 10-10-10 FERTILIZER. \ Rf 24" MAX. J AT CENTER NURSE PLANTS: \ . y / // .. MULCH: BETWEEN APRIL 15 AND AUG.15 ADD 10 LB./ACRE OF GERMAN MILLET OR 15 LB./ACRE SUDANGRASS. PRIOR TO MAY 1 \ \ \ \ \ 4"-6" + MAINTENANCE APPLY 4,000 LBJACRE STRAW.ANCHOR STRAW BY TACKING WITH ASPHALT,NETTING,OR A MULCH ANCHORING TOOL. OR AFTER AUG.15,ADD 25 LBJACRE RYE(GRAIN). \� \\ ABERDEEN A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. 1. INSPECT THE CHECK DAMS AFTER EACH RAINFALL BUT IN NO SEEDING DATES: \\\ MAINTENANCE: BEST POSSIBLE """"". .... /���� """"""""""""' 910M CASE LESS THAN ONCE PER WEEK FILTER FABRIC REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED,REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING EARLY SPRING: FEB.15-MAR.20 FEB.15-APR.30 3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE US 15m501 EROSION OR OTHER DAMAGE. FALL: SEPT.1-SEPT.30 SEPT.1-OCT.31 ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN.TAKE CARE SECTION A-A 1. PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING ANY NECESSARY APPLICATION OF LIME, FERTILIZER, AND SEED. TO AVOID UNDERMINING THE DAM DURING CLEANOUT. TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR SUMMER) SOIL AMENDMENTS: NOTE: WHEN USING CELL-O-SEED DO NOT SEED PREPARED AREA. CELL-O-SEED MUST BE INSTALLED WITH PAPER SIDE DOWN. 3.CLEAN OR REPLACE THE STONE WHEN IT SHOWS SIGNS OF SEEDING MIXTURE: APPLY LIME AND FERTILIZER ACCORDING TO SOIL TEST,OR APPLY 3,000-5,000 LBJACRE GROUND AGRICULTURAL CLOGGING OR OTHERWISE DOES NOT PERFORM CORRECTLY DOLLAR SPECIES RATE(LB./ACRE) LIMESTONE(USE THE LOWER RATE ON SANDY SOILS)AND 1,000 LBJACRE 10-10-10 FERTILIZER. 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 4.WEIR SECTION MUST BE 9"LOWER THAN ABUTMENTS GERMAN MILLET 40 MULCH: APPROXIMATELY 12" (30 CM) OF BLANKET EXTENDED BEYOND THE UP-SLOPE PORTION OF THE TRENCH. ANCHOR THE BLANKET 5. DOWNSTREAM APRON LENGTH SHOULD BE 3 TIMES THE NTS APPLY 4,000 LBJACRE GRAIN STRAW OR EQUIVALENT COVER OF ANOTHER SUITABLE MULCH.ANCHOR STRAW BY WITH A ROW OF STAPLES/STAKES APPROXIMATELY 12" (30 CM) APART IN THE BOTTOM OF THE TRENCH. BACKFILL AND COMPACT HEIGHT OF THE WEIR. A SMALL-STEMMED SUDANGRASS MAY BE SUBSTITUTED AT A RATE OF 50 LBJACRE. TACKING WITH ASPHALT,NETTING,OR ROVING OR BY CRIMPING WITH A MULCH ANCHORING TOOL. A DISK WITH THE TRENC SEEDH AFANDTER STAPLING. APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12" (30 CM) PORTION OF BLANKET BACK GENERAL SEEDING DATES: BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. AP�OXIMATELY 12" (30 CM) SOIL.COMPACTED ACROSS THE WIDTHKET OF OVER THE BLANKET.COMPACTED SOIL WITH A ROW OF STAPLES/STAKES SPACED g CHECK DAM WITH WEIR MAY 1-AUGUST 15 MAINTENANCE: IF GROWTH IS LESS THAN FULLY ADEQUATE,REFERTILIZE IN THE SECOND YEAR,ACCORDING TO THE SOIL TESTS OR 3. ROLL CENTER BLANKET IN DIRECTION OF WATER FLOW IN BOTTOM OF CHANNEL. BLANKETS WILL UNROLL WITH APPROPRIATE SIDE SOIL AMENDMENTS: TOP DRESS WITH 500 LBJACRE 10-10-10 FERTILIZER. MOW AS NEEDED WHEN SERICEA IS OMITTED FROM THE MIXTURE. AGAINST THE SOIL SURFACE. ALL BLANKETS MUST BE SECURELY FASTENED TO SOIL SURFACE BY PLACING STAPLES/STAKES IN FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LBJACRE GROUND AGRICULTURAL LIMESTONE AND 750 RESEED,FERTILIZE,AND MULCH DAMAGED AREAS IMMEDIATELY. APPROPRIATE LOCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE. WHEN USING THE DOT SYSTEM STAPLES/STAKES SHOULD BE LBJACRE 10-10-10 FERTILIZER. [1.zzM] PLACED THROUGH EACH OF THE COLORED DOTS CORRESPONDING TO THE APPROPRIATE STAPLE PATTERN. MULCH: SEEDING SPECIFICATIONSAPPLY 4,000 LB./ACRE STRAW.ANCHOR STRAW BY TACKING WITH ASPHALT,NETTING,OR A MULCH ANCHORING TOOL. 4. PLACE CONSECUTIVE BLANKETS END OVER END (SHINGLE STYLE) WITH A 4" - 6" (10 CM -15 CM) OVERLAP. USE A DOUBLEa.00'[z.aaM] 1,4.00- A DISK WITH BLADES SET NEARLY STRAIGHT CAN T USED AS A MULCH ANCHORING TOOL. SEEDING MIXTURE: ROW OF STAPLES STAGGERED 4' (10 CM) APART AND 4" (10 CM) ON CENTER TO SECURE BLANKETS. SPECIES RATE(LB/ACRE IL 2.00'[0.61M] MAINTENANCE: . ) 5. FULL LENGTH EDGE OF BLANKETS AT TOP OF SIDE SLOPES MUST BE ANCHORED WITH A ROW OF STAPLES/STAKES E R OS 101 N APPROXIMATELY 12" (30 CM) APART IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED,REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING COMMON BERMUDAGRASS 40-80(1-2 LB./1,000 FTC) a.00'[1.zzM] EROSION OR OTHER DAMAGE. AFTER STAPLING. • SEEDING DATES: 6. ADJACENT BLANKETS MUST BE OVERLAPPED APPROXIMATELY 2" - 5" (5 CM -12.5 CM) (DEPENDING ON BLANKET TYPE) AND 0.7 STAPLES PER SQ.YD. TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR FALL) COASTAL PLAIN: APR.-JULY STAPLED. (0.8 STAPLES PER SQ.M) CONTROL 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 7. IN HIGH FLOW CHANNEL APPLICATIONS, A STAPLE CHECK SLOT IS RECOMMENDED AT 30 TO 40 FOOT (9 M - 12 M) INTERVALS. AND 500 LB./ACRE 10-10-10 FERTILIZER. DETAILS USE A DOUBLE ROW OF STAPLES STAGGERED 4' 10 CM APART AND 4' 10 CM ON CENTER OVER ENTIRE WIDTH OF THE L T- 2.00'[0.61M] 1.50'[0.46M] RYE(GRAIN) 120 CHANNEL. 4.00'[1.22M] • 3.00'[0.91 M] • 40 SEEDING DATES: MULCH: USE JUTE,EXCELSIOR MATTING,OR OTHER EFFECTIVE CHANNEL LINING MATERIAL TO COVER THE BOTTOM OF / ( ) L 2.00'[0.61M] 8. THE TERMINAL END OF THE BLANKETS MUST BE ANCHORED WITH A ROW OF STAPLES STAKES APPROXIMATELY 12" 30 CM AUGUST 15-DECEMBER 30 2.00'[o.s1M] CHANNELS AND DITCHES. THE LINING SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW. ON APART IN A 6" (15 CM) DEEP X 6" (15 CM) WIDE TRENCH. BACKFILL AND COMPACT THE TRENCH AFTER STAPLING. • CHANNEL SIDE SLOPES ABOVE THIS HEIGHT,AND IN DRAINAGES NOT REQUIRING TEMPORARY LININGS,APPLY 4,000 NOTE: * IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6" (15 CM) MAY BE NECESSARY TO • a.00'[1.zzM] SOIL AMENDMENTS:FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE AND LBJACRE GRAIN STRAW AND ANCHOR STRAW BY STAPLING NETTING OVER THE TOP. PROPERLY ANCHOR THE BLANKETS. 4.00'[1.22M] • 1,000 LBJACRE 10-10-10 FERTILIZER. MULCH AND ANCHORING MATERIALS MUST NOT BE ALLOWED TO WASH DOWN SLOPES WHERE THEY CAN CLOG A • NOTE: DRAINAGE DEVICES. MULCH: B C CRITICAL POINTS * HORIZONTAL STAPLE SPACING SHOULD BE ALTERED 1.3 STAPLES PER SQ.YD. 1.7 STAPLES PER SQ. YD. APPLY 4,000 LB./ACRE STRAW.ANCHOR STRAW BY TACKING WITH ASPHALT,NETTING,OR A MULCH ANCHORING TOOL. IF NECESSARY TO ALLOW STAPLES TO SECURE THE 5 STAPLES PER SQ.M) (2.0 STAPLES PER SQ. M) CLIENT A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. MAINTENANCE: A. OVERLAPS AND SEAMS CRITICAL POINTS ALONG THE CHANNEL SURFACE. A MINIMUM OF 3 WEEKS IS REQUIRED FOR ESTABLISHMENT. INSPECTION AND REPAIR MULCH FREQUENTLY. B. PROJECTED WATER LINE MAINTENANCE: REFERTILIZE THE FOLLOWING APR.WITH 50 LBJACRE NITROGEN. C. CHANNEL BOTTOM/SIDE ** IN LOOSE SOIL CONDITIONS, THE USE OF STAPLE REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOP DRESS WITH 50 LBJACRE OF NITROGEN IN MARCH. IF SLOPE VERTICES OR STAKE LENGTHS GREATER THAN 6" (15 cm) MAY R H ETSO N IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND JUNE 15,OVERSEED WITH 50 LBJACRE KOBE LESPEDEZA BE NECESSARY TO PROPERLY ANCHOR THE BLANKETS. 3.00'[0.91M] • 1.50'[0.46M] 3.00'[0.91 M] • • 1.50'[0.46M] IN LATE OR EARLY MARCH. • 2.00'[0.61M] • COMPANIES, INC. • 4.00'[1.22M] • • 1.00'[0.30M] MAINTENANCE: • • 2.00'[0.61M] • • • 4.00'[1.22M] 1.INSPECT THE EROSION CONTROL BLANKET ONCE A WEEK AND AFTER EVERY RAINFALL. • • 2.IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED BLANKET. • • • 3.IF GROUND COVER IS NOT ESTABLISHED THROUGH THE BLANKET WITHIN 2 WEEKS,THE BLANKET • • SHOULD BE REMOVED AND THE AREA RESEEDED.AFTER RESEEDING,THE BLANKET SHOULD BE 3.4 STAPLES PER SQ.YD. 3.6 STAPLES PER SQ.YD. REINSTALLED. NTS (4.1 STAPLES PER SQ.M) (4.3 STAPLES PER SQ.M) NTS 2075 Juniper Lake Road 5 TEMPORARY SEEDING SPECIFICATIONS 6 PERMANENT SEEDING SPECIFICATIONS 7 EROSION CONTROL BLANKET INSTALLATION 9 STAPLE PATTERN FOR 4' ROLLS West End, North Carolina27376 Phone: (910) 944-0881 BAG TO BE PLACED HIGH STRENGTH SEWN IN SPOUT ON AGGREGATED BASE DOUBLE STITCHED GRASSED SWALE INFILTRATION BASIN "J'TYPE SEAMS NOTE: THIS CROSS SECTION IS TO BE USED FOR THE NOTE: THIS CROSS SECTION IS TO BE USED FOR THE ............................................................... ENTIRE LENGTH OF THE SWALE. ENTIRE LENGTH OF THE BASIN. HIGH STRENGTH STRAPPING FOR a HOLDING HOSE GROUND STABILIZATION CHART IN PLACE PROJECT INFORMATION 0 N SEE PLAN FOR WIDTH SEE PLAN FOR WIDTH w N F�- Q R o (E W P MP N oM PU SITE AREA STABILIZATION STABILIZATION TIME F R N 0 DESCRIPTION TIME FRAME FRAME EXCEPTIONS DESIGNED BY: BRETT N EXISTING EXISTING GROUND GROUND N PERIMETER DIKES / GRASS GRASS DRAWN BY: BRETT SWALES DITCHES 7 DAYS NONE PUP DISCHARGE o AND SLOPES HOSE CHECKED BY: SCOTT N 1� SEE PLAN FOR • HIGH QUALITY � SEE PLAN FOR � OPENING ACCOMODATES PROJECT NUMBER: 1938 WATER (HQW) 7 DAYS NONE DEPTH 1 DEPTH UP TO 4"DISCHARGE HOSE z ZONES 1 3 .� 1 0 3 3 _U DRAWING SC_ =1 o IF SLOPES ARE 10' OR -1I�I I�I I CONSTRUCTION SPECIFICATIONS: I I�I I�1I- ALE c I CONSTRUCTION SPECIFICATIONS: m SLOPES STEEPER LESS IN LENGTH AND ARE 7 DAYS THAN 3:1 NOT STEEPER THAN 2:1, 1.REMOVE ALL TREES,BRUSH,STUMPS,AND OTHER SEE PLAN COMPACTED OBJECTIONABLE MATERIAL FROM THE FOUNDATION AREA. COMPACTED 1.REMOVE ALL TREES,BRUSH,STUMPS,AND OTHER 14 DAYS ARE ALLOWED SEE PLAN OBJECTIONABLE MATERIAL FROM THE FOUNDATION AREA. NOT TO SCALE SUBGRADE 2.EXCAVATE THE CHANNEL AND SHAPE IT TO NEAT LINES SUBGRADE AND DIMENSIONS SHOWN ON THE PLANS PLUS 0.2 FT 2.EXCAVATE THE BASIN AND SHAPE IT TO NEAT LINES AND 7-DAYS FOR SLOPES OVERCUT AROUND THE CHANNEL PERIMETER TO ALLOW DIMENSIONS SHOWN ON THE PLANS PLUS 0.2 FT OVERCUT UNCOMPACTED AGGREGATE > SLOPES 3:1 OR 14 DAYS GREATER THAN 50 FEET FOR BULKING DURING SEEDBED PREPARATIONS AND SOD AROUND THE CHANNEL PERIMETER TO ALLOW FOR UNDERLAYMENT 9 FLATTER BUILDUP. BULKING DURING SEEDBED PREPARATIONS AND SOD IN LENGTH 3.REMOVE AND PROPERLY DISPOSE OF ALL EXCESS SOIL BUILDUP. NOTES: DATE RELEASED SO THAT SURFACE WATER MAY ENTER THE CHANNEL 3.REMOVE AND PROPERLY DISPOSE OF ALL EXCESS SOIL NONE FREELY. SO THAT SURFACE WATER MAY ENTER THE BASIN FREELY. 1. USE NO 5 OR NO 57 STONE FOR SEDIMENT CONTROL STONE. ALL OTHER AREAS 4.ESTABLISH GRASS IN THE BASIN IMMEDIATELY. 2. PROVIDE STABILIZED OUTLET TO STREAM BANK. (EXCEPT FOR 4.ESTABLISH GRASS IN THE CHANNEL IMMEDIATELY. o WITH SLOPES FLATTER 14 DAYS 5.NO SITE RUNOFF SHALL BE DIRECTED INTO THE 3. WOOD PALLETS MAY BE USED IN LIEU OF STONE AND T OELEVA E AS DIRECTED.A PERIMETERS AND SUFFINGBASUMBOVENATURAL MUST BE PROVIDED TO ELEVATE THE ENTIRE SPECIAL FEBRUARY 1 2024 THAN 4:1 FINISHED BASIN UNTIL THE CONTRIBUTING DRAINAGE STILLING BASIN ABOVE NATURAL GROUND. � N HQW ZONES) AREA IS STABLE. 4. THE SIZE AND NUMBER OF SILT BAGS SHOULD BE BASED ON THE DEWATERING PUMP AND MANUFACTURER RECOMMENDATIONS. U) 5. TIGHTLY SECURE THE PUMP DISCHARGE TO THE SILT BAG SLEEVE WITH A STRAP OR 7 SIMILAR DEVICE TO PREVENT WATER/SEDIMENT FROM LEAKING WITHOUT TREATMENT. MAINTENANCE&CONSTRUCTION: MAINTENANCE&CONSTRUCTION: 6. CONTROL PUMPING RATE TO PREVENT EXCESSIVE PRESSURE WITHIN THE SILT BAG IN SHEET NUMBER a ACCORDANCE WITH THE MANUFACTURER RECOMMENDATIONS,AS THE BAG FILLS WITHIN 0 1.INSPECT THE SWALE FOR EROSION ONCE A WEEK AND AFTER EVERY RAINFALL. 1.INSPECT THE BASIN FOR EROSION ONCE A WEEK AND AFTER EVERY RAINFALL. SEDIMENT,REDUCE PUMP RATE. Q 7. REPLACE THE SILT BAG WHEN ONE HALF(2)FULL OF SEDIMENT. 2.IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED AREAS. 2.IMMEDIATELY REPAIR AND/OR REPLACE ANY DAMAGED AREAS. 8. SILT BAG DEVICE MUST BE GREATER THAN OR EQUAL TO 50 FT FROM THE TOP OFTHE NTS 3 MAINTAIN PROPER CROSS SECTION UNTIL THE SWALE IS STABLE NTS 3 MAINTAIN PROPER CROSS SECTION UNTIL THE DITCH IS STABLE NTS STREAM BANK AND WATER MUST BE DISCHARGED IN A DIFFUSE MANNER. NTS 6 4.KEEP THE GRASS IN A HEALTHY,VIGOROUS CONDITION AT ALL TIMES. 4.KEEP THE GRASS IN A HEALTHY,VIGOROUS CONDITION AT ALL TIMES. n E o C - 602 U o 10 GROUND STABILIZATION CHART 11 TYPICAL SWALE CROSS SECTION Ll Ll INFILTRATION BASIN CROSS SECTIONSILT BAG INSTALLATION