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HomeMy WebLinkAboutSW6240105_Plansheet - Misc. Detail_20240424 ■ sl e NOTES: solutions VARIES 6' 20' 6' 1. REMOVE ALL TREATED OR PLASTIC COATED civil engineering I land surveying 40 BURLAP FROM PLANT BALL. 409 Chicago Drive,Suite 112,Fayetteville,NC 28306 (SWALE) (SHOULDER) (SHOULDER) 2. INSTALL TOP OF PLANT BALL UP TO office 1 910-426-6777 fax 1 910-426-5777 license number I C-2354 3"-4" ABOVE EXISTING GRADE. wwwADsitesolutions.com 10' 10' ` 3. SOAK PLANT BALL AND PIT IMMEDIATELY -� AFTER INSTALLATION. 4" MULCH AS SPECIFIED �� 4. REMOVE ALL STRING OR WIRE FROM J •5 BASE OF TREE a 5. KEEP MULCH 2" AWAY FROM TREE .5' CARRY BASE COURSE 6" 2% 2% 2» S9.5B BEYOND SURFACE COURSE TOP OF ROOT BALL TRUNK BASE. 8% 8% 1" ABOVE FINISHED GRADE �� '( N r, 3" LAYER OF MULCH �� . .......•. _ CLEAN BACKFILL TO EXISTING II_ 4" SAUCER BERM TO `� O�•'�ESS10•.•�ii� FINISHED GRADE RETAIN WATER. O `9 \ \ \ \ \ \ \ r AND FINISHED GRADE Y� /\�\/�\\'`� \/\ \ \ \ \ \ \ \ \ \ \ r\ \ \ \ \ \ ` i//////// / / / / / / / ////.�/' //i THIS IS FOR VARIES - u w 4" SAUCER BERM _ SEA _ r'//r�//\//\/ \//\//\/�\\��/��\��\///�//' rid//�//�//�//�//�/ \ \�\/\/\/\/\\�\\�\i�\\�\\��\/.� \ FILL SECTION 2» MOUND \ / REMOVE TOP 1/3 OF 0274 1 �\, `\ \\r\\r\\i\\i\/\ z BURLAP FROM BALL \\%` MINIMUM 8» COMPACTED ABC 3 //\ UNDISTURBED SOIL "'I - g TOPSOIL REMOVED FROM HOLE ��� 3 r\ 3 /�\�/\/i \/ COMPACTED *GEOTECHNICAL ENGINEER SHOULD BE '\/\/\ - 0.5' BOTTOM SUBGRADE N�EDEDTTO MEET D TO NCDOT REQUIREMENT RMINE DEPTH OF BC \/�\\��` VARIES _ UNDER UNDISTURBED TGR GROUND ''/ //�1!f"g� WIDTH O SETTLEMENT USE 3:1 CUT SLOPES IN CUT SECTIONS 12� MINIMUM LIMIT OF MULCH U�2Z^24/ x TOPSOIL REMOVED FROM HOLE N REVISIONS NTS NTS NTS 1 ROADWAY TYPICAL SECTION (WITH DITCH) 2 SHRUB PLANTING 3 TREE PLANTING 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 Front View Side View 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 7 ft 6' LENGTH- 50 FT.MINIMUM. 1.UNLESS OTHERWISE INDICATED,ALL VEGETATIVE AND 7.ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT 20 " 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 MINIMUM STANDARDS AND SPECIFICATIONS OF THE NORTH STABILIZATION IS ACHIEVED. AND TO PROVIDE FOR MAXIMUM UTILITY BY ALL FILTER FABRIC CONSTRUCTION VEHICLES. AVOID STEEP GRADES 71 CAROLINA EROSION AND SEDIMENT CONTROL HANDBOOK. 2-3"WASHED STONE AND ENTRANCES AT CURVES IN PUBLIC ROADS. FINISH GRADE S9.513 - a j 8.ALL AREAS DISTURBED BY CONSTRUCTION UNLESS OTHERWISE CONTRACTOR SHALL INSTALL ADDITIONAL GRAVEL _4- 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 MAINTAIN AT NO ADDITIONAL EXPENSE TO THE OWNER. WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY,AND ONE WEEK PRIOR TO FINAL INSPECTION. 9.DURING DEWATERING OPERATIONS,WATER SHALL BE PUMPED CONTRACTOR SHALL SUPPLEMENT AND MAINTAIN GRAVEL CONSTRUCTION ENTRANCES AT HIS EXPENSE UNTIL FINAL .J� - 1„ INTO AN APPROVED FILTERING DEVICE PRIOR TO DISCHARGE TO A / R_ A- 3.IF POSSIBLE ALL EROSION AND SEDIMENT CONTROL MEASURES RECEIVING OUTLET. ACCEPTANCE. Y / West Main ___ ARE TO BE PLACED PRIOR TO CLEARING AND/OR LAND DISTURBANCE. OP' N .�, -- � . 10.THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL SQ r 4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL MEASURES WEEKLY AND AFTER EACH RUNOFF-PRODUCING EVENT. G '1 _ __ N MAINTENANCE ��,__ TownesT, I PLAN AND PERMIT SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE 00 i EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE QJ / MAINTAIN THE GRAVEL PAD INBA CONDITION TO PREVENT MUD OR 5.PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS MADE IMMEDIATELY. SEDIMENT FROM LEAVING THE CONSTRUCTION SITE.THIS MAY „ Replace with current - r OTHER THAN INDICATED ON THESE PLANS(INCLUDING,BUT NOT 50, REQUIRE PERIODIC TOPDRESSING WITH 2-INCH STONE.AFTER EACH ti36 community name - �+ - LIMITED TO OFF-SITE BORROW OR WASTE AREAS,STAGING OR 11.ALL TEMPORARY EROSION CONTROL MEASURES SHALL BE min. RAINFALL,INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND p STORAGE AREAS),THE CONTRACTOR SHALL PREPARE AND SUBMIT REMOVED BY CONTRACTOR ONCE STABILIZATION OR A SUFFICIENT CLEAN IT OUT AS NECESSARY.IMMEDIATELY REMOVE ALL PROJECT NAME 1 t' 1 w 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 Sign = 5.5 sq ft REVIEW AND TO NCDENR REGIONAL OFFICE FOR APPROVAL. ENGINEER. NCDENR'S FINAL APPROVAL IS REQUIRED. / PUBLIC ROADWAYS. -I 8"COMPACTED �-__ _t 1 __ CONTRACTOR SHALL PAY ALL FEES REQUIRED AND SHALL INSTALL ABC `! NECESSARY MEASURES AT NO SEPARATE PAYMENT. THE 12.TEMPORARY GRAVEL CONSTRUCTION ENTRANCE SHALL BE 6 �. j. _ CONTRACTOR SHALL PROVIDE THE OWNER AND THE ENGINEER A REQUIRED AT ALL CONSTRUCTION STAGING AREA ENTRANCES AND ELYSE COMPACTED1. COPY OF THE AMENDED PERMIT. ALL CONSTRUCTION ACCESS LOCATIONS INTO NON-PAVED AREA. SUBGRADE T -1 6.THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY 13.WHEN CROSSING CREEK OR DRAINAGE-WAY,THE CONTRACTOR �t`• CARRY BASE COURSE 6" - �- } ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT SHALL RIP-RAP WITH FABRIC DISTURBED BANKS AND CHANNEL AND BEYOND SURFACE COURSE - 7-- Centurion Stone EROSION AND SEDIMENTATION AS DETERMINED BY EITHER NCDENR RESTORE SLOPES TO ORIGINAL CONTOURS,BUT NOT STEEPER THAN AGGREGATE MEADOWS r {- AT LOCATIONS WITHOUT , �1 _ Pattern:Hackett OR THE ENGINEER. 2:1 MAXIMUM. DISTURBED CREEK AREA SHALL BE STABILIZED 6" MIN.THICKNESS CURB AND GUTTER - - Color:English IMMEDIATELY. : - : -� 1 = -;' 2-3"COURSE NTS 26 NTS SUBDIVISION 4 ASPHALT PAVEMENT 5 SIGN 6 GENERAL EROSION AND SEDIMENT CONTROL NOTES 7 TEMPORARY GRAVEL CONSTRUCTION ENTRANCE PLAN VIEW NATURAL GROUND MAX. SLOPE (TYP) INFLOW = z SITE & EROSION IN. 2.5 2.5 STRUCTURE a �1 1 ,- m NATURAL GROUND z2.5 / f.a - SEEDING SPECIFICATIONS CONTROL r'''�''' '-' TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR LATE WINTER AND EARLY SPRING) SEEDING MIXTURES: ` SKIMMER� DETAILS SEEDING MIXTURE: - DEWATERING SPECIES RATE(LB./ACRE) SPECIES RATE(LBS./ACRE) ONDEVICE CONE EMERGENCY COMPACTED SOIL BEDDING SPILLWAY RYE(GRAIN) 120 TALL FESCUE 80 MIN 8" ANNUAL KOBE LESPEDEZA 50 PENSACOLA BAHIAGRASS 50 OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT EXTEND BEYOND JUNE. SERICEA LESPEDEZA 30 *** WHEN A GRAVEL DIVERSION BERM IS REQUIRED, THE HEIGHT KOBE LESPEDEZA 10 SHALL BE REDUCED TO 12 INCHES AND THE TOP WIDTH TO 6", SEEDING DATES: ALL OTHER REQUIREMENTS SHALL REMAIN THE SAME. JANUARY 1-MAY 1 SEEDING NOTES: TEMPORARY DIVERSION KEY NOTES: BAFFLES EMBANKMENT 1.FROM SEPT.1 TO MAR.1 USE UNSCARIFIED SERICEA SEED. INFLOW 1' FREEBOARD SOIL AMENDMENTS: 2.ON POORLY DRAINED SITES OMIT SERICEA AND INCREASE KOBE TO 30 LB./ACRE. 1.CLEAR THE ARE UNDER THE BERM AND STRIP THE ROOTS/OTHER ORGANICS. STRUCTURE BAFFLES CLIENT 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. 2.COMPACT THE SIDE SLOPES,PREFERABLY WITH A TRACKED VEHICLE TO SLOW RUNOFF VELOCITIES. LB./ACRE 10-10-10 FERTILIZER. 3.VEGITATE THE RIDGE OF THE BERM IMMEDIATELY AFTER CONSTRUCTION UNLESS THE BERM WILL REMAIN IN PLACE NURSE PLANTS: FOR LESS THAN 30 DAYS. MULCH: BETWEEN APRIL 15 AND AUG.15,ADD 10 LB./ACRE OF GERMAN MILLET OR 15 LB./ACRE SUDANGRASS. PRIOR TO MAY 1 6" MIN. GE T ELEVATION OF TRIANGLE LAND DEWATERING EMERGENCY SPILLWAY 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). ZONE EMERGENCY A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. SPILLWAY MAINTENANCE: SEEDING DATES: BEST POSSIBLE MAINTENANCE: FILTER FABRIC/ STONE BEDDING PARTNERS LLC REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED,REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING EARLY SPRING: FEB.15-MAR.20 FEB.15-APR.30 EROSION OR OTHER DAMAGE. FALL: SEPT.1-SEPT.30 SEPT.1-OCT.31 INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL.IMMEDIATELY REMOVE SEDIMENT SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE.CAREFULLY CHECK OUTLETS STORAGE ZONE TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR SUMMER) SOIL AMENDMENTS: AND MAKE TIMELY REPAIRS AS NEEDED. CROSS-SECTION VIEW SEEDING MIXTURE: APPLY LIME AND FERTILIZER ACCORDING TO SOIL TEST,OR APPLY 3,000-5,000 LB./ACRE GROUND AGRICULTURAL CONSTRUCTION SPECIFICATIONS SPECIES RATE(LB./ACRE) LIMESTONE(USE THE LOWER RATE ON SANDY SOILS)AND 1,000 LB./ACRE 10-10-10 FERTILIZER. 1.CLEAR,GRUB&STRIP TOPSOIL FROM AREAS UNDER THE EMBANKMENT TO GERMAN MILLET 40 MULCH: NTS REMOVE TREES,VEGETATION,ROOTS AND OTHER OBJECTIONABLE MATERIAL. PLACE TEMPORARY SEDIMENT CONTROLS BELOW THE BASIN AS NEEDED. APPLY 4,000 LBJACRE 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 2.ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, INLET PO Box 5548 BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. 10 TEMPORARY DIVERSION BERM WOOD VEGETATION,ORGANIC MATTER AND OTHER OBJECTIONABLE MATERIAL. \' SEEDING DATES: PLACE THE FILL M LIFTS NOT TO EXCEED 9 INCHES AND MACHINE COMPACT IT. PVC VENT PIPE Cary, North Carolina 27512 OVER FILL THE EMBANKMENT 6 INCHES TO ALLOW FOR SETTLEMENT. MAY 1-AUGUST 15 MAINTENANCE: Phone: (704) 608-3085 IF GROWTH IS LESS THAN FULLY ADEQUATE,REFERTILIZE IN THE SECOND YEAR,ACCORDING TO THE SOIL TESTS OR 3.SHAPE THE BASIN TO THE SPECIFIED DIMENSIONS.PREVENT THE SKIMMING SOIL AMENDMENTS: TOP DRESS WITH 500 LB./ACRE 10-10-10 FERTILIZER. MOW AS NEEDED WHEN SERICEA IS OMITTED FROM THE MIXTURE. 5'MIN. NOTES: DEVICE FROM SETTLING INTO THE MUD BY EXCAVATING A SHALLOW PIT UNDER FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE AND 750 RESEED,FERTILIZE,AND MULCH DAMAGED AREAS IMMEDIATELY. 1'THICK#57 FILTER STONE 1.5' THE SKIMMER OR PROVIDING A LOW SUPPORT UNDER THE SKIMMER OF STONE 1.USE FOR DRAINAGE AREAS NOT OR TIMBER. LB./ACRE 10-10-10 FERTILIZER. EXCEEDING 5(FIVE)ACRES. SEEDING SPECIFICATIONS 4.PLACE THE BARREL ON A FIRM,SMOOTH FOUNDATION OF IMPERVIOUS SOIL. " MULCH: 2.EARTH BERM SHALL BE STABILIZED W/ PLACE THE FILL MATERIAL AROUND THE PIPE SPILLWAY IN 4 INCH LAYERS AND \//\ 3600 CU.FT/ACRE ti 2� SEEDING ACCORDING TO SPECIFICATIONS. THOMPACT IT E ADJACENT EDER AND M BANKM NOUT.PD THE CE APIPE TO AT LEAST THE SAME DENSITY MINIMUM OF 2 FEET OF COMPACTED AS �Oo�oO PROJECT INFORMATION 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. /\//\ BACKFILL OVER THE PIPE SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION i \r\\\\ 351LTER STONE TO BE A DEPTH OF SPECIES RATE(LB./ACRE) // 1l/// / / / / I , EQUIPMENT. FLEXIBLE HOSE MAINTENANCE: \�\ \\\\\ ��\\\�\\�\\�\\�\\�\\�\\/ �\\�\\�\\ 1 FOOT ON THE DAM SIDE REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED,REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING COMMON BERMUDAGRASS 40-80(1-2 LB./1,000 FTC) //\/�/\/�\/�\\//�\�/\�/�\//�// 5.ASSEMBLE THE SKIMMER FOLLOWING THE MANUFACTURER'S INSTRUCTIONS. DESIGNED BY: CALEB EROSION OR OTHER DAMAGE. FILTER FABRIC 6.LAY THE ASSEMBLED SKIMMER ON THE BOTTOM OF THE BASIN WITH THE o FLEXIBLE JOINT AT THE INLET OF THE BARREL PIPE.ATTACHED THE FLEXIBLE N SEEDING DATES: �J DRAWN BY: CALEB COASTAL PLAIN: APR.-JULY N CROSS SECTION OVERFILL 6"FOR JOINT TO THE BARREL PIPE AND POSITION THE SKIMMER OVER THE EXCAVATED N SETTLEMENT PIT.ATTACH A ROPE TO THE SKIMMER AND ANCHOR IT TO THE SIDE OF THE TEMPORARY SEEDING/MULCHING SPECIFICATIONS(FOR FALL) SCH 40 PVC **SKIMMER CAN BE PURCHASED FROM J.W. FAIRCLOTH & SON INC. EMERGENCY BASIN. CHECKED BY: SCOTT SEEDING MIXTURE: PIPE SKIMMER CHOSEN SHALL BE EQUAL TO THE FAIRCLOTH SKIMMER. SOIL AMENDMENTS: 21"MIN BY-PASS SPECIES RATE(LB./ACRE) 6"BELOW 7.INSTALL THE SPILLWAY IN UNDISTURBED SOIL TO THE GREATEST EXTEND o APPLY LIME AND FERTILIZER ACCORDING TO SOIL TEST,OR APPLY 3,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE SSEETTI,FD TOP POSSIBLE.THE SPILLWAY SHOULD BE LINED WITH LAMINATED PLASTIC OR SKIMMER PROJECT NUMBER: 2000 v RYE(GRAIN) 120 AND 500 LB./ACRE 10-10-10 FERTILIZER. 4'MIN. 1 ry DAl6'li/ IMPERMEABLE GEOTEXTILE FABRIC.THE FABRIC MUST BE WIDE AND LONG ENOUGH TO COVER THE BOTTOM AND SIDES AND EXTEND ONTO THE TOP OF o� SEEDING DATES: MULCH: 1.5' THE DAM FOR ANCHORING IN A TRENCH.THE EDGES MAY BE SECURED WITH 8 3 a USE JUTE,EXCELSIOR MATTING,OR OTHER EFFECTIVE CHANNEL LINING MATERIAL TO COVER THE BOTTOM OF INCH STAPLES.THE FABRIC MUST BE LONG ENOUGH TO EXTEND DOWN THE - z AUGUST 15-DECEMBER 30 SLOPE AND EXIT ONTO STABLE GROUND.THE WIDTH OF THE FABRIC MUST BE CHANNELS AND DITCHES. THE LINING SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW. ON ONE PIECE.IF MULTIPLE SECTIONS AREA REQUIRED,THE UPPER SECTION DRAWING SCALE w CHANNEL SIDE SLOPES ABOVE THIS HEIGHT,AND IN DRAINAGES NOT REQUIRING TEMPORARY LININGS,APPLY 4,000 f �2:1 SIDE SLOPE MAX SHOULD OVERLAP THE LOWER SECTION SO THAT WATER CANNOT FLOW UNDER o SOIL AMENDMENTS: LB./ACRE GRAIN STRAW AND ANCHOR STRAW BY STAPLING NETTING OVER THE TOP. / THE FABRIC. MAINTENANCE o FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB./ACRE GROUND AGRICULTURAL LIMESTONE AND FILTER FABRIC EXIST.GRADE o MULCH AND ANCHORING MATERIALS MUST NOT BE ALLOWED TO WASH DOWN SLOPES WHERE THEY CAN CLOG NOT TO SCALE o 1,000 LB./ACRE 10-10-10 FERTILIZER. W 8.DISCHARGE WATER INTO THE BASIN TO PREVENT EROSION.USE TEMPORARY INSPECT SKIMMER SEDIMENT BASINS WEEKLY AND AFTER EACH PERIOD OF DRAINAGE DEVICES. 1.1 SIDE SLOPE MAX SLOPE DRAINS OR DIVERSIONS WITH OUTLET PROTECTION TO DIVERT SEDIMENT SIGNIFICANT RAINFALL. REMOVE SEDIMENT AND RESTORE TRAP TO ITS ORIGINAL 0 MULCH: LADEN WATER TO THE UPPER END OF THE POOL AREA TO IMPROVE BASIN TRAP DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE HEIGHT OF THE FIRST BAFFLE. EXCAVATE SEDIMENT FROM THE ENTIRE BASIN.MAKE SURE b APPLY 4,000 LB./ACRE STRAW.ANCHOR STRAW BY TACKING WITH ASPHALT,NETTING,OR A MULCH ANCHORING TOOL. MAINTENANCE: 3'MIN. CLASS B RIP RAP EFFICIENCY. VEGETATION GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. 9.CONSTRUCT THE STRUCTURE SO THAT THE DISTURBED AREA IS MINIMIZED. SKIMMER.PLACE THE SEDIMENT THAT IS REMOVED IN AN AREA WITH SEDIMENT REFERTILIZE ZENIMUM OTHF 3WEEKS FOLLOWING APIREWITOH 50 LBA/ACRE NITROGEN. AND REPAIR MULCH FREQUENTLY. DIVERT SURFACE WATER AWAY FROM BARE AREAS. COMPLETE THE CONTROLS. DATE RELEASED o MAINTENANCE: MAINTENANCE STONE SECTION DESIGN OF SPILLWAYS EMBANKMENT BEFORE THE AREA IS CLEARED. REPAIR THE BAFFLES IF THEY ARE DAMAGED.RE-ANCHOR THE BAFFLES IF WATER N REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOP DRESS WITH 50 LB./ACRE OF NITROGEN IN MARCH. IF > 10.INSTALL POROUS BAFFLES AS SPECIFIED. IS FLOWING UNDERNEATH OR AROUND THEM. s IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND JUNE 15,OVERSEED WITH 50 LB./ACRE KOBE LESPEDEZA INSPECT TEMPORARY SEDIMENT TRAPS AFTER EACH PERIOD OF SIGNIFICANT RAINFALL. REMOVE SEDIMENT AND DRAINAGE AREA WEIR LENGTH IN LATE OR EARLY MARCH. RESTORE TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE (ACRES) (FT.) 11.AFTER ALL SEDIMENT PRODUCING AREAS HAVE BEEN STABILIZED,REMOVE UNCLOGGED THE SKIMMER AS NEEDED.CHECK TO MAKE SURE ORIFICE INSIDE OF APRI L 22, 2024 DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN A DESIGNATED DISPOSAL AREA AND 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 REPLACE THE CONTAMINATED PART OF GRAVEL FACING. 1 4.0 BLEND WITH THE ADJOINING AREAS AND STABILIZE PROPERLY. BARREL IS CLOGGED,REMOVE THE ORIFICE AND CLEAR THE DEBRIS. 2 6.0 CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OF PIPING. PERIODICALLY CHECK THE DEPTH OF THE 4 10.0 CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRED SPILLWAY TO ENSURE IT IS A MINIMUM OF 1.5 FT.BELOW THE LOW POINT OF THE EMBANKMENT. IMMEDIATELY 5 12.0 REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY.CHECK SHEET NUMBER FILL ANY SETTLEMENT OF THE EMBANKMENT TO SLIGHTLY ABOVE DESIGN GRADE. ANY RIP RAP DISPLACED THE EMBANKMENT,SPILLWAYS AND OUTLET FOR EROSION DAMAGE.MAKE ALL w FROM THE SPILLWAY MUST BE REPLACED IMMEDIATELY. NECESSARY REPAIRS IMMEDIATELY.REMOVE TRASH AND DEBRIS FROM THE DIMENSIONS SHOWN ARE MINIMUM o SKIMMER AND POOL AREAS. o STABILIZE THE EMBANKMENT AND ALL DISTURBED AREAS ABOVE THE SEDIMENT POOL AND DOWNSTREAM FROM THE TRAP IMMEDIATELY AFTER CONSTRUCTION WITH SEEDING. NTS NTS - 6mO a a m 8 TEMPORARY SEEDING SPECIFICATIONS 9 PERMANENT SEEDING SPECIFICATIONS 11 TEMPORARY SEDIMENT TRAP 12 TEMPORARY SKIMMER BASIN