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HomeMy WebLinkAboutSW6130201_ESC Plan_20130222RIP -RAP CHART STRUCTURE 4-FLOW DPIPE OUTLET d50 APRON APRON APRON STONE NO. (CFS) PIPE (IN.) VEL. (FPS) (IN) LEN. W/W ID, THICK (IN.) CLASS (FT.) (Fr.) FES-1 1.70 10 3.37 3 10 13 9 A FES-2 1.70 10 3.73 3 10 13 9 A FES-3 1 5.04 1 15 1 3.19 1 4 1 16 20 9 A SKIMMER I - 1 6 1 - 1 2 1 8 10 9 A \ / ■ DRAINAGE AREA TO - 84 � j ■j j • / P ■ 1.68 ACRES /�9 op TCAB +M1 01 / 41;1+ \ rd sZZO Ile X �pP \ \ \ q0" COMPLETION OF CONSTRUCTION AND DEVELOPMENT. PROP. SILT FENCE (DETAIL C8.3) M1�] �l / %✓� TEMP. AFROS/ON CONTROL SEEDING PROP. INLET PROTECTION (DETAIL C8.31 I ` p = M U PERMANENT SEEO/NG SPECS. NOTE: w z O w � 3:1 SLOPES OR FLATTER - CONTRACTOR TO SAVE SUFFICIENT TOPSOIL ON SITE TO BE = O a W W a_i APPLY AGRICULTURAL LIME AT A RATE OF 90 LBS/1000 S.F. UNLESS SOIL TEST INDICATES RE -SPREAD AFTER GRADING IS COMPLETE. HAUL OFF ANY CF j O m Q W OTHERWISE. EXCESS TOP SOIL. m co co O- U I..Z 0)ItI1000 APPLY 10-10-10 COMMERCIAL FERTILIZER AT THE RATE OF 20 LBSS.F. UNLESS SOIL TEST Z Ou. Q ~Q 0 Q Z Z O INDICATES OTHERWISE LEGEND "(�} Z 0- Q Q CL SEED ATARATE OF B LBS/1000 S.F. LL Cr ir � V W. V �. DATE TYPE Qi EXIST. CONTOUR G a W Z m O rw -Wi Z N5V.1 TO ANNUAL RYE GRAIN N MAY 1 AND TURF TYPE TALL FESCUE 813.E = O Z Q O W W O m EXIST. SPOT ELEV. + Cr. C7 a -1 m CC � LJ- MAY 15 TURF TYPE TALL FESCUE PROP. CONTOUR /'30?„/ W LU cc AUG. 15 TO TURF TYPE TALL FESCUE PROP. SPOT ELEV. (BOTTOM OF CURB OR GROUND) f 302.14 N m � O MULCH NATHUNCHOPPED, UNWEATHERED SMALL GRAIN STRAW FREE OFSEEDS APPLIED ATTHE PROP. SPOTELEV.(TOP.OFCURB) ��2�t4� � � WC-4 � p ¢ Haol- RATE OF 1- 2 TONSIACRE % HEAVILY MULCHED DURING JANUARY- MARCH PERIOD. M PROP. JUNCTION BOX (0 0 THE CONTRACTOR SHALL MAINTAIN THE PERMANENT VEGETATIVE COVER BY MOWING, IRRIGATION, z Z 1w REPAIR OR PLANTING FAILURES OR OTHER METHODS FOR THE DURATION OF THE PROJECT & PROP. CATCH BASIN p c UNTIL THE PROJECT IS ACCEPTED BY THE OWNER. Z j Q rue e� nu Qun� n n a�r� ,ne een,nc�nue ene eeoueueur nero u,n rn,n=n ene n, , nacre ,even PROP. FES m m of a ZIP 3:1 SLOPES OR FLATTER / W F- M PROP. LIMITS OF CONSTRUCTION (DETAIL C8.3) LOG a APPLY AGRICULTURAL LIME AT A RATE OF 90 LBS11000 S.F. UNLESS SOIL TEST INDICATES O OTHERWISE. PROP. COIR MESH BAFFLES IN SED. BASIN iiiiiiiiiiiIIIIIIIIIIIIIIIIIIIIIIIBAF % / l APPLY 10-10-10 COMMERCIAL FERTILIZER AT THE RATE OF 20 LBS11000 S.F. UNLESS SOIL TEST (DETAIL C8.3) W INDICATES OTHERWISE. 0 SEED IN ACCORDANCE WITH THE FOLLOWING SCHEDULE &APPLICATION RATES. PROP. RIP RAP APRON - SEE CHART FOR SIZING 1w DATE TYPE _PLANTING RATE (DETAILC8.3) ,R \ \ i NOV.1 TO ANNUAL RYE GRAIN 150 LBB/ACRE v \ \ [ �` MAY 1 AND TURF TYPE TALL FESCUE 100 LBS/ACRE Z tj NN \ L _ \� MAY 1 TO GERMAN MILLET AND 60 LBS/ACRE � LWL U o G \ o\ \ �� AUG. 15 TURF TYPE TALL FESCUE 100 LBS/ACRE r N Z LL . / 1 + t \ s \ \ c \ ., \ M1aP \ \I � AUG. 15 TO TURF TYPE TALL FESCUE 250 LBSIACRE O W W LLIw NOV. I + /� } T \ \ + \ \ LOP P, \ P� Z Z r •I \ .tte�aoy �i** MULCH WITH STRAW APPLIED AT THE RATE of 155-100 LBS/1000 S.F. O (ry z U "Nk ��a� `- HEAVILY MULCHED DURING JANUARY - MARCH PERIOD. cc 0 (� w IF GERMAN MILLET IS USED FOR TEMPORARY COVER DURING SUMMER MONTHS, CONTRACTOR Z C%� j Z / / / / / o \ \ \ \ \T 0 \ \ ,\ \ + / M1 \ , yP 2 \ 1, \ MUST KEEP TEMPORARY MILLET MOWED AND CONTRACTOR MUST OVERSEED WITH THE SPECIFIED m W Q U 5 7 �f / j / / / / RATE OF TURF TYPE TALL FESCUE AFTER THE HEAT OF. SUMMER IS PAST BUT NOT BEFORE SEPT. �'' / ` / / \ +1 ^p" \ 'I _ - , . `. \. \ 15 NOR LATER THAN NOV. 1. . \ j U. SEE DETAIL ON SHEET C8.3 \ \ +M1 6 3 - //� + \ ` + \ SEDIMENT TRAP DESIGN DATA n \ +a \ " \ o \ \ M1�Q+ \ \ 1 \ (SEE SHEET CS.3 FOR DETAILS) � \ \ \ \ ro C T j P \ \ \ \ 78 LF @ 0.50% \ \ \ ! . \\ \ \\ BASIN #1 C INV. DOWN: \\ \ \ M1s 2 p �`.\ \ \ W \ + .�- /� / j t \+ \ \ 6 - ' DENUDED AREA AC. 1.7 / / \ \ INV. UP: 244.14 \ +� \ \ \ \ ,`y4 \ \ \ o / r° /i / ` \ \ + ` \ \ \ DRAINAGE AREA AC. 1.7 / / / Ot \ MAINTAIN 1 OF COVER OVER ENTIRE PIPE \ +d \ \ \ \ M1 \ \ Seal \ \ \ \ \ ' 010 = CIA CFS 8.1 ••• �� /arm-� /� // +� �, +�'� \ \ \ \ \ , \ \ ,>M1 „¢$ N \�\ , y \ \ AFROS/ON CONTROL KEYS N cA / / w / \ \ \ > \ \ NEW ON -SITE WASM1 \ =F? ^ \ \ W \ Q50 =CIA CFS 9.7 �• ( R Vol \ O \ ' > % \ \ t P \ STORAGE REQUIRED CF 3,400 1 TEMPORARY STABILIZED CONSTRUCTION ENTRANCE SEE DETAIL ON SHEET C5.3. ; OQ�E$8 /O , 2 ONCE EXISTING SEPTIC SYSTEM AND CONCRETE \ \ �\ `, ss \ \ - 2 Y \ \ PAD HAVE BEEN REMOVED INSTALL CONSTRUCTION STORAGE PROVIDED CF 5,852 2 TEMPORARY DIVERSION DITCH. SEE DETAIL ON SHEET �3.�r1 / \ +� FENCING AROUND THE FUTURE LEACH FIELD AS SHOWN > f C`. , 2 / /♦ / / P \ \ \ '\ \ \ M1 \ \ + (j \' \\\. \ \ mow- ` .,,� \ .,m .� , 5 4 \ PORARY SILT FENCING. SEE DETAIL ON SHEET J� \ � SEAL .g \ $ TEM EET C6.3. � = 12557 = � BOTTOM DIMENSIONS FT. SEE PLAN . C> / \ + I \ \ \ \ \ +'� \ \ \ \ \ \ \ \ y \` \4\ ,� - M1•' \ \ 4 TEMPORARY INLET PROTECTION SEE DETAIL ON SHEET C8.3. •�'9,Pc..A0 �: \ J TOP STGE. DIMS. FT. SEE PLAN . ( ----- � \ +'r \ \ + \ > pQ� �� \ ' \\ \ S TEMPORARY POROUS BAFFLES IN SEDIMENT' BASIN. SEE DETAIL ON SHEET C6.3. ••i T \ \ J \ ' \ \ \ .� \ \ \ \ .\ BOTTOM ELEVATION FT. 243.60 4 T . • 2 �' \ \\\- \\ \ \ TOP OF DAM ELEVATION FT. 246.60 B TEMPORARY ORANGE SAFETY FENCING •,■■���•�•'�� RISER CRESTELEV. FT. WA \ 7 TEMPORARY NO -ENTRY, SEPTIC FIELD AREA SIGN / +.� P \ + O \, \ \ \ \ \ `\-- P / - DIV- M1,,P ��,, .�\\ �6± \ \ MAX SED. DEPTH FT. 1.0 83 TEMPORARY RIP RAP APRON SEE TABLE FOR SIZING SEE DETAIL ON SHEET C8.3 6 \ . \ \ \ \ P \ \ 1 i / \ \ \ ` \ \ \ \ SKIMMER SIZE IN. 2.0 / / �'�■ ® ® > \\ +� +� \\ e \\ \� \� i \ \ 4 Ile+ ` �4 \ - \ SKIMMER ORIFICE DIA IN. 2.0 J \ NCDENR GROUND COVER REQUIREMENTS • p - \ +�°' } V , f / �' as `� c -+ry \ BARREL DIAMETER IN. WA RISER DIAMETER IN. WA LL +'e / \ t i��ti>PP 1 \\ \\+ ; \ \\ RISER HEIGHT FT. WA appecon )WIS I Z z \�n��3 \ +C,`^3SSW \ \ \ \ ANCHOR BLOCK DIM. FT. NIA J \\ \\ \ \\ \ EMRGY. SPILLWAY ELEV. I FT. 246.00 5(pprgN SPILLWAY W! (/ i; d� `\ �� +� Oj�-'- / \ +ems \�I� \ SPILLWAY LENGTH FT. la / 1 09 \ s� �+ 6 / / /-'Y r/ i ' \ \\ / M1�' SOIL TYPE: Bab (Blaney) - HSG C 1 1i0 oaks =Qp Q ULQ / __ �_= z + \ x + \ \\° TOTAL AREA DENUDED (TOTAL): 1.98 ACRES (SHOWN) Z surae.rur,24, seeeoxq�•naa anLL�i flnwWa4t Cr. H O I� II + P cc �� /� / �� /+ \ / \ \\ I \�\ i ' CONSTRUCT/ON SEQUENCE _ _ Z (n Q PHASE EROSION CONTROL MAINTENANCE NOTES (� J IIII� I � I STABILIZATION NOTE: 1. ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES AND ALL Q SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND -DISTURBING ACTIVITY. 2. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DAYS FROM THE LAST LAND -DISTURBING ACTIVITY. FLEXIBLE COUPLING - RIGID 6" PVC @ 0.5% s 7d Tdpys F�1� Tltdigs; 7 days ? dsys 14d■ys 14d■ys , 7 aay L4tclaxs 14:days 1,4 004 ".. 1. ALL EROSION SEDIMENT CONTROL STRUCTURES SHALL BE INSPECTED AT LEAST ONCE � O �, /%// t t �y \\ P 751 x \' 4j / \ \\\ • \ \t 1. OBTAIN GRADING/EROSION CONTROL PLAN APPROVAL FROM NCDENR EVERY 7 CALENDAR DAYS AND WITHIN 24 HOURS OF ANY STORM EVENT OF GREATER CC Y Z +� \\\\, \\ / // / // \ \+� \ \\\\ , ♦� \ THAN 1!P RAIN IN A 24 HOUR PERIOD. A RAIN GAUGE SHALL BE MAINTAINED ON THE W + \ \\ \ 2. SET UP AN ON -SITE PRE -CONSTRUCTION CONFERENCE WITH THE THE NCDENR SITE AND A RECORD OF THE RAINFALL AMOUNTS AND DATES SHALL BE KEPT. W Q 0 EROSION CONTROL INSPECTOR. 1 $ \ j/ / +/ �'4 \ \ \ \ / \ \ I • 2. A RECORD OF INSPECTIONS BY THE CONTRACTOR SHALL BE KEPT AND MADE d V AVAILABLE TO THE INSPECTOR UPON REQUEST. VISIBLE SEDIMENTATION FOUND Z W T ` %\ \ �j 3. INSTALL CONSTRUCTION ENTRANCE. -. // \ \ +'� t W \\� OUTSIDE THE DENUDED AREA LIMBS SHALL BE RECORDED AND A BRIEF EXPLANATION Y / + \ �` \\\ KEPT WITH THE RECORDS AS TO THE MEASURES TAKEN TO CONTROL FUTURE O *�1 1 `\ \ \ \ ` 4. INSTALL SILT FENCE, INLET PROTECTION, SEDIMENT BASIN, DIVERSION DITCHES RELEASES. ANY MEASURES TAKEN TO CLEAN UP THE SEDIMENT THAT HAS LEFT THE _ LU AND OTHER MEASURES AS SHOWN ON PLANS, CLEARING ONLY AS NECESSARY TO DENUDED AREA LIMITS SHALL ALSO BE RECORDED. U) SEEDBED PREPARAT/ON Q INSTALL THESE DEVICES. db a P \ \\ 5. CALL FOR ON -SITE INSPECTION BY INSPECTOR. WHEN APPROVED, INSPECTOR ■ T 1. AREAS BE SEEDED SHALL BE RIPPED OR TILLED AND SPREAD WITH AVAILABLE i QY' ISSUES THE GRADING PERMIT AND CLEARING AND GRUBBING MAY BEGIN. TOPSOILL 4 4" DEEP. TOTAL SEEDBED PREPARED DEPTH SHALL BE 6". A P+' e 05745 \ \ 1 \ \ / 6. THE CONTRACTOR SHALL DILIGENTLY AND CONTINUOUSLY MAINTAIN ALL EROSION CONTROL DEVICES AND STRUCTURES. 7. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE N. C. EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL 2. ROCKS, ROOTS &OTHER OBSTRUCTIONS 8 CONSTRUCTION DEBRIS SHALL BE REMOVED FROM THE SURFACE OF THE SEEDBED. SURFACE OF COMPLETED PREPARED SEEDBED SHALL BE LOOSE SMOOTH & UNIFORM. CONTRACTOR SHALL TILL, DISC AND/OR HARROW IF NECESSARY TO ACHIEVE THIS. IF NO SOIL TEST IS TAKEN, FERTILIZER AND LIME SHALL BE APPLIED ACCORDING TO THE -, CTB 2411 \} j PHASE 11 SEEDING SPECIFICATIONS. B Ine (CLEANOUT ELEVATION: 244.60' 7 X 2'H (min.) X 6" t CONC ANCHORS @ 18' O/C SKIMMER LOCATION DETAIL \ \ \ \ I \ \� 1. FOR PHASED EROSION CONTROL PLANS, CONTRACTOR SHALL MEET WITH EROSION CONTROL INSPECTOR PRIOR TO COMMENCING WITH EACH PHASE OF EROSION 4. IF SOIL TEST IS TAKEN, APPLY FERTILIZER AND LIME IN ACCORDANCE W/SOIL TEST RECOMMENDATIONS. 9 W B Drawn By \ \ I \ \ \ CONTROL MEASURES 2. THE LAND DEVELOPMENT INSPECTOR SHOULD BE CALLED TO CONDUCT INSPECTIONS ON STORM DRAINAGE, SIDEWALKS, DRIVEWAY ON STORM DRAINAGE, SIDEWALKS, DRIVEWAY IMPROVEMENTS, AND ALL ASPECTS OF ROAD 5 LIME AND FERTILIZER SEEDBED PREPARATIONLL BE APPLIED UNIFORMLY AND MU(ED WITH THE SOIL DURING 6. IMMEDIATELY AFTER SEEDING, MULCH ALL SEEDED AREAS WITH A THIN DENSE LAYER OF CLEAN WHEAT STRAW. 1 /30/13 Date Revisions DRAW//VG /NFORMAT/ON 1-2M213NDENtl`EROSION CONTROLCOWJEN% CONSTRUCTION. 3. STABILIZE SITE AS AREAS ARE BROUGHT TO FINISHED GRADE. TRUE PLAN NO ENTRY SIGN 4. COORDINATE WITH EROSION CONTROL INSPECTOR PRIOR TO REMOVAL OF ANY NORTH NORTH EROSION CONTROL MEASURE. 5, PERMANENTLY STABILIZE ENTIRE SITE. " 6. CONVERT SKIMMER BASIN TO PERMANENT WATER QUALITY BMP ONCE SITE IT STABILIZED. �° � North Carol/naOnaCal/CenAN v � �1° E Ca//ofI Before You GRAPHIC SCALE ( in I=) )h - 30 Project Number 487-038 C&1 Sheet 7 of 14 RIP -RAP CHART STRUCTURE 0-FLOW DIA.OF OUTLET d50 (L) APRON APRON APRON STONE NO. (CFS) PIPE (IN.) VEL. (FPS) (IN) LEI. WID. THICK (IN.) CLASS (FT.) (FT.) FES-1 1.70 10 3.37 3 10 13 9 A FES-2 1.70 10 3.73 3 10 1 13 9 A FES-3 1 5.04 15 3.19 14 1 16 1 20 9 A SKIMMER I - 6 2 1 8 1 10 9 A ' Q / 1 / � GROUNDCOVER SLOPES GREATER THAN 3:1 SHALL BE STABILIZED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICAL BUT IN ANY EVENT WYI (7) CALENDAR DAYS FROM LAST LAND DISTURBING ACTIVITY /r Z I 00 ' f I + IN ON -SITE WASTEWATER TAIN SAFETY FENCING AND SIGNAGE TO PROTECT FUTURE LEACH FIELD. STABILIZATION NOTE: I v " v 1. ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES AND ALL SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3:1) SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM. THE LAST LAND -DISTURBING ACTIVITY. . 2. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14CALENDAR DAYS FROM THE LAST LAND DISTURBING ACTIVITY. FLEXIBLE COUPLING RIGID 6" PVC R 0.5% L-Z X ZH (mil.) X 6" t CONC ANCHORS O 18' O/C SKIMMER LOCATION DETAIL Z TO BE REMOVED AFTER NEW CULVERT IS INSTALLED AND PHASE II CONSTRUCTION ENTRANCE IS ESTABLISHED Q ,� PERMANENT SEED/NG SPEC'S. NOTE: w z Iw- p z= w w w 3:1 SLOPES OR FLATTER CONTRACTOR TO SAVE SUFFICIENT TOPSOIL ON SITE TO BE = O ¢ W H'M APPLY AGRICULTURAL LIME AT RATE OF 90 LBS/1W0 S.F. UNLESS SOIL TEST INDICATES RE -SPREAD AFTER GRADING IS COMPLETE. HAUL OFF ANY 0 m 00 O p LOU 0 O OTHERWISE. EXCESS TOP SOIL. - m t;3 z cc C4 co IrccQ -z APPLY 10-10-10 COMMERCIAL FERTILIZER AT THE RATE OF 20 LBSN000 S.F. UNLESS SOIL TEST Z LL ¢ 1- 0 ¢ Z p 0 O O INDICATES OTHERWISE. LEGEND CL Z d Q Z w w Z p. �. SEED AT A RATE OF 6 LBS/1000 S.F. 1 '94t< cl DATE TYPE EXIST. CONTOUR pWWpp�Tnww O (q D- w Z p "� Z NOV.1 TO ANNUAL RYE GRAIN MAY 1 AND TURF TYPE TALL FESCUE --f - 813.8 Cc = Z a X J CC EXIST. SPOT ELEV. co O- MAY I T TURF TYPE TALL FESCUE PROP. CONTOUR /'3p2„/ d W a 0 �. 15 X 15 TO TURF TYPE TALL FESCUE PROP. SPOT ELEV. BOTTOM OF CURB OR GROUND �302.14 ( ) NOV. IAUG. PROP. SPOT ELEV. (TOP OF CURB) �302.14` � . (!S m ti O w CN MULCH WITH UNCHOPPED, UNWEATHERED SMALL GRAIN STRAW FREE OF SEEDS APPLIED AT THE C) ¢ 1-- OD r RATE OF 1- 2 TONSIACRE •- HEAVILY MULCHED DURING JANUARY - MARCH PERIOD. PROP. JUNCTION BOX p 04to THE CONTRACTOR SHALL MAINTAIN THE PERMANENT VEGETATIVE COVER BY MOWING, IRRIGATION, . z N Z d; REPAIR OR PLANTING FAILURES OR OTHER METHODS FOR THE DURATION OF THE PROJECT 8" PROP. CATCH BASIN . o UNTIL THE PROJECT IS ACCEPTED BY THE OWNER. PROP. FES Z Q W Q m O k THE PLAN SHOULD INCLUDEPROVISIONSFOR PERMANENT GROUND COVER FOR ALL DISTURBED M 0 d AREAS WITHIN 15 WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER IS SHORTER), FOLLOWING PROP. DIVERSION DITCH 4-M-10M.DIV> -I COMPLETION OF CONSTRUCTION AND DEVELOPMENT. PROP. SILT FENCE (DETAIL C8.3) � SF m TEMP. EROSION CONTROL SEEDING 1 w CO U PROP. INLET PROTECTION (DETAIL C8.3) `, p M 3:1 SLOPES OR FLATTER a APPLY AGRICULTURAL LIME AT A RATE OF 90 LBS/1000 S.F. UNLESS 801E TEST INDICATES PROP. LIMITS OF CONSTRUCTION (DETAIL C8. 3) � LOC O OTHERWISE. - PROP. COIR MESH BAFFLES IN SED. BASIN � BAF -J APPLY 10.10.10 COMMERCIAL FERTILIZER AT THE RATE OF 20 LBS/1000 S.F. UNLESS SOIL TEST (DETAIL C8.3) W INDICATES OTHERWISE p SEED N ACCORDANCE WITH THE FOLLOWING SCHEDULE APPLICATION RATES. PROP. RIP RAP APRON -SEE CHART FOR SIZING DATE TYPE PLANTING RATE (DETAIL C8.3) NOV.1 TO ANNUAL RYE GRAIN 150 LBS/ACRE 0 MAY 1 AND TURF TYPE TALL FESCUE 100 LBS/ACRE Z c PROP. DRAINAGE SWALE -� - �� W N MAY 1 TO GERMAN MILLET AND 60 LBSJACRE M 00 AUG.16 TURF TYPE TALL FESCUE 100 LBS/ACRE rn 1`1 j W ? \ AUG. 15 TO TURF TYPE TALL FESCUE 250 LBS/ACRE PROP. ROCK CHECK DAM (DETAIL C8.3) Z (Uj - w ¢ j P ��s•� NOV. O LOW a! LO �QP �LO g1�i>rr�' MULCH WITH STRAW APPLIED AT THE RATE of 155-100 LBS/1000 S.F. �Y/� O 0 U �C4 •- HEAVILY MULCHED DURING JANUARY - MARCH PERIOD. V (n W \ 7-DAY GROUND COVER LOCATION LU '- IF GERMAN MILLET IS USED FOR TEMPORARY COVER DURING SUMMER MONTHS, CONTRACTOR Z (� > z li ,1 \ MUST KEEP TEMPORARY MILLET MOWED AND CONTRACTOR MUST OVERSEED NTH THE SPECIFIED m W Q U g � L RATE OF TURF TYPE TALL FESCUE AFTER THE HEAT OF SUMMER IS PAST BUT NOT BEFORE SEPT. uJ �\ ,\ 15 NOR LATER THAN NOV. 1. - ,€ A U. A \\\AT SEDIMENT TRAP DESIGN DATA m O\ RETAIN SAFETY FENCING AND SIGNAGE LL SEE SHEET C8.3 FOR DITAILS C \ TO PROTECT FUTURE LEACH FIELD. BASIN #1 DENUDED AREA AC. 1.7 DRAINAGE AREA AC. 1.7 EROSION CO NTRO KEYS Seal 010=CIA CFS 8.1 r%\As lnvPHASE II STABILIZED CONSTRUCTION ENTRANCE 6EE DETAIL ON SHEET C8.3 CA •�•Q5o = CL4 CFS s.7 .RO••� •p Z TEMPORARY DIVERSION DITCH. SEE DETAIL ON SHEET C8.3 . O STORAGE REQUIRED CF 3,400 O,.OFE %py.,.y •� STORAGE PROVIDED CF 5,852 3 TEMPORARY SILT FENCING. SEE DETAIL ON SHEET C8.3. 2j q- SEAL 4 TEMPORARY INLET PROTECTION. SEE DETAIL ON SHEET 08.3. S 12557 \ \\ BOTTOM DIMENSIONS FT. SEE PLAN : CO' de TEMPORARY POROUS BAFFLES IN SEDIMENT BASIN. SEE DETAIL ON SHEET C8.3. • FBI,. �.� ° \ TOP STGE. DIMS. FT. SEE PLAN "'9 • Z ......*;& p �3 ` 'b \ © TEMPORARY POROUS BAFFLES IN DITCH. SEE DETAIL ON SHEET C8.3. ••i TON `oo�-y ,n* ' X \ \\ \ BOTTOM ELEVATION FT. 243.60 -` TOP OF DAM ELEVATION FT. 246.60 7 TEMPORARY CHECK DAM IN DITCH. SEE DETAIL ON SHEET C6.3. \ \ _ RISER CREST ELEV. FT. WA ® PERMANENT ROCK PIPE INLET PROTECTION. SEE DETAIL ON SHEET C8.3. MAX SED. DEPTH FT. 1.0 9 TEMPORARY ORANGE SAFETY FENCING SKIMMER SIZE IN. 2.0 VIER \ SKIMMER ORIFICE DIA N. 2.0 NCDENR GROUND COVER REQUIREMENTS Q O SHALL BE STABILIZED IT STABILIZATION WITH "°'� \ BARREL DIAMETER IN. WA $ PRACTICAL BUT IN \ \ \ LL 11. A DAYS FROM LAST \ \ RISER DIAMETER IN. WA C�casmcaMeruiinx Q �- \ \ RISER HEIGHT FT. WA � \I+PeCng!4 C \ \ ANCHOR BLOCK DIM. FT. WZA J E R W. SPILLWAY ELEV. FT: 246.00 5 r appr ` SPILLWAY LENGTH FT. 10 \ ryelliw \ \ SOIL TYPE: BaB (Blaney) - HSG: C (dss 2Qo O � a: _ = Z OHU-\ \ u\ \ \,10N 1 TOTAL AREA DENUDED (TOTAL): 1.98 ACRES (SHOWN) swpurvwn3l a 3-4 r TJ+sooMa.nra D � O Z �2 \ ► ate\�\ CONSTRUCT/ON SEQI/ENCE 0 (n Q �` PHASE I EROSION CONTROL MAINTENANCE NOTES o U Z 0 J �a 1. ALL EROSION SEDIMENT CONTROL STRUCTURES SHALL BE INSPECTED AT LEAST ONCE LJ 1. OBTAIN GRADING/EROSION CONTROL PLAN APPROVAL FROM NCDENR. EVERY 7 CALENDAR DAYS AND WITHIN 24 HOURS OF ANY STORM EVENT OF GREATER Y Z oA^ THAN 1/2" RAIN IN A 24 HOUR PERIOD. A RAIN GAUGE SHALL BE MAINTAINED ON THE LU 2. SET UP AN ON -SITE PRE -CONSTRUCTION CONFERENCE WITH THE THE NCDENR SITE AND A RECORD OF THE RAINFALL AMOUNTS AND DATES SHALL BE KEPT. �J a: = \ \ \ \ EROSION CONTROL INSPECTOR. Q 0 a \ o 2. A RECORD OF INSPECTIONS BY THE CONTRACTOR SHALL BE KEPT AND MADE v a V J 3. INSTALL CONSTRUCTION ENTRANCE. AVAILABLE TO THE INSPECTOR UPON REQUEST. VISIBLE SEDIMENTATION FOUND i_ he Z .LLI N OUTSIDE THE DENUDED AREA LIMITS SHALL BE RECORDED AND A BRIEF EXPLANAWITION IITi KEPT NTH THE RECORDS AS TO THE MEASURES TAKEN TO CONTROL FUTURE 4. INSTALL SILT FENCE, INLET PROTECTION, SEDIMENT BASIN, DIVERSION DITCHES RELEASES. ANY MEASURES TAKEN TO CLEAN UP THE SEDIMENT THAT HAS LEFT THE _ '^ IAND OTHER MEASURES NSTALL THESE DEVICES. S SHOWNDN PLANS, CLEARING ONLY AS NECESSARY TO DENUDED AREA LIMITS SHALL ALSO BE RECORDED. c J SEEDBED PREPARAT/ON Q \Lw( I _,- \\\ }rya\\\ \ \ \ 'INN \\ \ It \ \ \ \ �1\\ 1v$. \\ \\ SEDIMENT CLEANOUT STAKE `� �'• \ \\ \ / '� \,� , (CLEANOUT ELEVATION: 244.60' �\ / SEDIMENT; SKIMMER BASIN SCALE:1"=20 7t(Srs_7 V days14*r:14dAys 14tt}Ws I 5. CALL FOR ON -SITE INSPECTION BY INSPECTOR. WHEN APPROVED, INSPECTOR bye\, ISSUES THE GRADING PERMIT AND CLEARING AND GRUBBING MAY BEGIN. 1. AREAS TO BE SEEDED SHALL BE RIPPED OR TILLED AND SPREAD WITH AVAILABLE TOPSOIL 4" DEEP. TOTAL SEEDBED PREPARED DEPTH SHALL BE 6". Z Z \ 6. THE CONTRACTOR SHALL DILIGENTLY AND CONTINUOUSLY MAINTAIN ALL EROSION 2, ROCKS, ROOTS & OTHER OBSTRUCTIONS & CONSTRUCTION DEBRIS SHALL BE .- CONTROL DEVICES AND STRUCTURES. REMOVED FROM THE SURFACE OF THE SEEDBED. SURFACE OF COMPLETED PREPARED F SEEDBED SHALL BE LOOSE SMOOTH & UNIFORM. CONTRACTOR SHALL TILL, DISC 7. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH AND/OR NARROW IF NECESSARY TO ACHIEVE THIS. THE N. C. EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. 3. IF NO SOIL TEST IS TAKEN, FERTILIZER AND LIME SHALL BE APPLIED ACCORDING TO THE CTB PHASE 11 SEEDING SPECIFICATIONS. Engineer - )--i `} 4. IF SOIL TEST IS TAKEN, APPLY FERTILIZER AND LIME IN ACCORDANCE WSOIL TEST L J B Y 1. FOR PHASED EROSION CONTROL PLANS, CONTRACTOR SHALL MEET WITH EROSION RECOMMENDATIONS. CONTROL INSPECTOR PRIOR TO COMMENCING WITH EACH PHASE OF EROSION Drawn By �. ` �'> CONTROL MEASURES 5 SEEDBED PREPARATION. LL BE APPLIED UNIFORMLY AND MucED WITH THE SOIL DURING 1 /30/13 2. THE LAND DEVELOPMENT INSPECTOR SHOULD BE CALLED TO CONDUCT 6. IMMEDIATELY AFTER SEEDING, MULCH ALL SEEDED AREAS WITH A THIN DENSE LAYER Data INSPECTIONS ON STORM DRAINAGE, SIDEWALKS, DRIVEWAY ON STORM DRAINAGE, OF CLEAN WHEAT STRAW Revisions SIDEWALKS, DRIVEWAY IMPROVEMENTS, AND ALL ASPECTS OF ROAD CONSTRUCTION. 1-7n2113NOMR SOWN CONTROL COWBITS / DRAW/NG /NFORMAT/ON 3. STABILIZE SITE AS AREAS ARE BROUGHT TO FINISHED GRADE. TRUE PLAN N 4. COORDINATE WITH EROSION CONTROL INSPECTOR PRIOR TO REMOVAL OF ANY NORTH NORTH EROSION CONTROL MEASURE. 5. PERMANENTLY STABILIZE ENTIRE SITE. 6. CONVERT SKIMMER BASIN TO PERMANENT WATER QUALITY BMP ONCE SITE IT STABILIZED. eaw North CarwArm ons6a#CaMar m \\ �y E call 811 Before You Dig "a E Or4-1 \ \ GRAPHIC SCALE I I (IN I= 1 Inch - 30 d Number 37-038 C6w2 Sheet 8 of 14