Loading...
HomeMy WebLinkAboutWPO200700065 Plan - E&S Erosion Control Plan 2007-11-14wo 00; ji� I Df. t 711, 0 A 04 : 00 /7- im Ni ve pe .7M _%N iR J� 77 P, t VICINITY MAID 1 9) = 1000' Nor 0 15, 30' 60' 120' -:1,N"SW-E _64 - RIGHT -OF WAY -,A r 6-V 0 g 4 !�;O"'%� 7­1 W Z Nr 1.0 Vow 'I 6��,M ------- 5i� _ �� `�111 - `-, 1,; I� I �41 55 M? , " n, rR, p.� Am 6 A, A /4 P PIX0 — EC T_ DATA: _0 Y w, ;/_,i PROJECT NAME: VESS FILL SITE ENTRANCE ­il I'M Npl�.!- BOBBY VESS 2330 COMMONWEALTH DR. STE 400, 11;4_N '4_`X5`�2 0 Q PROPERTY OWNER: TO FIELD WV11.0 CHARLOTTENILLE, VA 22901, 434-531-8800 660 K 41, i�"20 i . lei 14110".1 IR i,`Wk TAX MAP 1 PARCEL #: '11, g, 71-37K i"A1111-11 .01 MAGISTERIAL DISTRICT: WHITE HALL 0 t R I-R �A PROPERTY SIZE: 4.02 ACRES L 5 L `41 6 ---------- k W n �&,Gn '00 A e A K. q 0 N ZONING: 1­� 'A rA V R X RURALAREA RURALAREAS N-- SMW.�,Mgl COMPREHENSIVE PLAN: ;­&u M VO� 10'TOPO WITH INTERPOLATED 2'CONTOURS. �$.K m�, " V U NK S., NOTES: "g IM: W,K _K 7 g 2. THE EXISTING VEGETATION OF THE SUBJECT SITE IS 50% MATURE HARDWOOD FOREST AND j 7 I - 51�x 1. NONE OF THE SUBJECT PROPERTY LIES WITHIN THE DESIGNATED 100-YEAR FLOOD PLAIN OR X� m 4 M 'I A EXISTING TOPOGRAPHY OBTAINED FROM ALBEMARLE COUNTY SURVEY SOURCES: NMI S WITHIN A RESERVOIR WATERSHED. � L 0 12 5, 60% OPEN PASTURE. 0 'X NOR A" �'7, I lytll 'N' W 0-:3 M&R '11-'I on w AMIN— Q VNI gf- �x w -,P i4m 0 N M., e" n. ------------ A"A0 --og-h-AMP g ""i" DeM N, WA. 2, M 0- _680— .0 4- 3 "g P _M, gp Z RE 11, 0.5 "Me Z N g Q Q Ix v `5' "P- m 'A 5, ." '5 A-4, TMP 71-37K kl`?Z'�`_i;a' -N, �v", sit ffiRm %. . . . . . . . . . . 6�� ITT & \� 5 . .... Al NYC 'eN �5- MEN SARAH YANCEY "M N g­ "M N - Now or Formerly 0 Ir "S m �g �i 'BRA Zig',g�- IF.' 2. RANKLIN YANCEY,F W ESTATE OR z Ytl? Mt 4 '_Dilllti�,r__. . . . . . . . . . . _A4 _ 4a,?, _-Ze- Nan -'a IMF,, A g n T' IK q j 5 go a 0- i'l,", !15 Nx, Now or Fo 'ex v,5 0 v W.B. 77 PG. 613 N W.- Zoned- RA Comp. Plan: RA -�g 'n 10, ik N""i 'N_ TMP 7 -39 Use: Agricultural � 1A. X r6rly R,1�1' 17- COM MON�VEALTH QF VIRGI IA a-g x Lilft 'O'k, OP, iv Sic g g, q 6 1 R PIX A., 3L M X M1, K, R, A E "IE, NOR m v n "A n E, 5 _tg OM k R R 13, NT OF g DER�kRTME nw 0 1 X a ly­­� Z�n ed: RA x1c -0 COMP\ Plan: R g., t4 U§e- Governmept 25% f-' A !!�w Z r�i N :-N, w", -,,a A OR dREATE V�'ii5v,, Mg N� Q. X low M R_ . 4i'i W A. R i T, 'R, 0 N 'p 14 '1. 5, _2_6, k, CRITI LSLOPE� 'ej R N1, # 411�1 �n 'R, v _2 0 woo X ..-1' 333-29 saw" "-Z _7_38�-W wow wwo mlow No" wo" sums owma 0 Oslo NI T memo mom TMP 71-37J rn Nam —I soma 00I Now or Formerly PXTTERSON, ----ROGER W OR,---' 0 C M PATRI M P.13.1,884�PG 484,---- P R ----Zoned: RA---' by lb M le (,oun C MP 01 o aia'n : RA 0 prT en,26�,a, A 06 UW. �'esidential­`_ M ­0 Z.... .... . . ............ . Z M 'Z Oki P11— -A I'm -M IFE....RRA P.0 CONCEIPTS, JAL 0 CIVIL ENGINEERS LANDSCAPE ARCHITECTS 200 6th STREE"iP, NE CHARLO'n,'ESVILLE, VIRGINIA 22902 1 'PH. 434-295-6496 FAX 434-296-6497 �4 0 Ug 0 0 U � A. w-w44+0 NLT-4 0,,�, AW lei 40 an Fran n AI Lic. No. 3532.6 16 SCALE: P-30) SSUED.- 8/21/07 DRAWN BY- MOS 0 REVISIONS9 1. 9/17/07 COUNTY COMM El. Mrs All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written per mission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. 0 TERRA CONCEPTS, P.C. SHEET OF 31 0 Al 1,64 0 < 16 4 A - p 1� �r*� �10 CY) t q� X! '141 1, N N� CV . . . . . . . . . . A. TaSEDIMENT Z , , I " - 111�1 0) M "A."'5, BASIN �..70 AC� 4- All P:506-, �, im, _iO SOILS -TYPE R 5 V 12, �5 10,10, < 0 A V" R,7 T 4ffir �Zll M", 152 35N� 01,g�� Z, p, M FM gv 3 N V �M & 0.1 , it, 1, , Wil 56ILS T A 6.,`, "M iKR 11 W g" /ip� 4A, o% A— 3fi 'W ts' 2��, (> �N I Mle'.R12", 4 'I WN, , , t �, 64 " '20 A?f t ­-, ! 'c'-t2 "a IN a- ....... .... TP 2 A W 0 SOIL� PROPOSE 7REE STAGING DIVIDE PROTECTION, 0 IFN L MITS�OF -_QLL AREA W TURBAN IMP. PARKING IFYP- �EE AREA t 1 .86 AC 0 'a Hit, t, ,A N V 15! 1,14, Q INSTALL CONSTRUCTIO'N '__1 I , N" I 0 DC ENTRANCE AT EXISTING r�im n i=KiTmAKu-r= ai -.7 R",0141, A ­0 1A, -�HA EDJARI- DC T -!tlil �P DEN9 ES Ckr(TICAL N -0 yW�, , rL , u V,Ili E Ni, A a ENTRANCE WITH x­,' E o% _n; 1-1.4 S =S L71E TS CONSTRUCTION 0 "'R 1W N "k p- gg 311 0 5�51 ��W WASH RACK EX.OVERHEAD IBM V QN, �gp g !gg -0- _54111:1 4 5 R N, 'Wm iyL SEDIM N _n_ M6 N ELECTRIC N 14 0 0n1,�__,_`r;11_ 01 "'A q m K,, ­n A g, .g 1VV1D ,g `1"AS R_ W, 5,1,1_0 Lkm c1q "0 "Pi g *q. amasgo'g T, �Vr� g, N, 0 , ww:�, Nit Al \N1 me WAV, r g -_ 6 "SA 0% 2" is t p, E- I N, _,Tn'oill",�_11"m M y of n vg� Dj "N40, i2 f, '0 Al "'P Z q AM1,11, U E ­2101 - "U, iN _0 13A , I%R �, 01?14. -g OA k. 5 �r y 'S �4 LIMITS OF RIL I �R- R IS Mal, 2 ME- E m EX. T INTURBANCE 1.86 AC RE�LINE IL e� vi SB M, I W1 ge "ON ! 21 "15, "0 4 ta P., 31`k poir UZI FIVM 'M �"'a 0, *0 Ni V Wuqu 'X%a 'Cl\' _g . V 11171-39 0 Att MINNS RSION DIKE ALSO DIVE `0- REPRESENTS DRAINAGE �v R M, §6 -A % �gg�v X;l V AREA TO SEDIMENT BASIN 0 BAFF�IES ,5 Ai 2, 0 P., a _'d T,,�Wvi 1, D.A. TO SEDIMENT Wt., IAN'11111e,_,� BASIN4 1.70 AC �k, A 'M Z R, 17­�� `1 21 A Vp ito A R 50 VDOT ig'q BUILDING 5 la Ali. W-x R1, g, V-0 -,v _g _6112 ,Wg- �, " Z P_� I III il` , , Wj� w Y N '1�illl L 00 IV 1AA M 0 4" 1 01 _j t 'A I, V� 'A I _11�. -- , " -= �w, ii g"', % AN 4., A R-k 0�a V 6 �5111�` -, - i '. 1, �,� L� f"-R-5 _g �gg, 2 ju 1 C P, ".1 �`,_SUNR_­ 0_1 ;_gp m �N, V, 2111: �,X 0, 0 "Y ME- "R .\A 'v p 22, gi N1 N, W % n iv A :S K.N In \,Mg ,4 92V W ig A gt V ­R" .62 8."; p io P� Mg = Et, - � f4nq�;p - V 5 nit �N. 'N -Al A& , RN 0, Ski 1,, 7 -A, 'n 'St "A A_ V", `0 0 5�' n �A n N 0, N .. ...... ....... �'a 1AM, -0 M R­m A, .M R 51, 1 15 R RIM, 'R, EM1111 41-- A-6. M ""gAl '1Ni1,__1,1__ k N 4- Ml N. m,_ -will 3 I'M g I A S N �,,qg 5WN24 X`4 Nf, -'M5R2 �T, 0111,11 i� 11@ "M 1.11NIN".: Z5 NY 5N ;�R � 0M 5 N z"xy..4- 0 SOIL DATA DIVERSIOIN 0_0 MosA.", M, -,g �N `7 W'125' ION V TYR. DIKE 36B HAYESVILLE LOAM, 2 TO 7 PERCENTN SLOPE$ g 37D3 HAYESVILLE CLAY LOAM, 15 T026 PERCENT SLOPES, DD 1 21 "1 ASHE LOAM, 25 TO 45 PERCENT SLOPES 4E o 0 � N 4,; Lr_A_TENDo -Rm Z R;f ",s CE TEMP. CONSTRUCTION ENTRANCE d_-�% ID 3.02 VA E&SC STD. CONSTIRUCTION S11, UENCE-:1 ALIDDEMAIRLL E C 0 U N T VIL E N ( 31 1 N FEJ F-i N, ]RI N kf ff-1 k".3'r E N E IRAL k(_-1,0jNST1XD1N.UCT10N NOTES iv %—YJLX JL1XSCP_ LANS. DUSTCONTROL CONSTRUCTION SEQUENCE: I THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. DC 3.39 VA E&SC STD. 1. INSTALL CONSTRUCTION ENTRANCE. COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED, TO THE HOURS OF 7:OOAM TO 9:OOPM. SF SILT FENCE 2. INSTALL PERIMETER SILT FENCE AND TREE PROTECTION. CONTROL REGULATIONS. 15. BORROW FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN MAINTAINS LATERAL SUPPORT OR ORDER TO MINIMIZE ANY 3.05 VA E&SC STD. 3. INSTALL SEDIMENT TRAP. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. YSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC �TREET BECAUSE 0 SLIDES, TEMPORARY DIVERSION DIKE 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. SINKING, OR COLLAPSE. DD 4. INSTALL DIVERSION DIKES TO DIVERT ONSITE RIUNOFF TO SEDIMENT 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL MAINTAIN REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES 3.09 VA E&SC STD. TRAP, 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO WHERE APPLICABLE ALL EROSION CONTROL MEASURES kEQUIRED bY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER OFF -SITE BORROW OR WASTE AREAS) THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN tO THE OWNER FOR �EVIEW PORTION OF THE PROPERTY. TEMPORARY SEDIMENT TRAP AND APPROVAL BY THE PLAN APPROVING ST 5. PERFORM FILL OPERATIONS AND ROUGH GRADING AS SHOWN. AUTHORITY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBSIACRE, AND IN THE MONTHS OF SEPTEMBER 3.13 VA E&SC STD. TO FEBRUARY TO CONSIST A 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR 6. SPREAD TOP SOIL, SEED AND MULCH SLOPES ON SOUTHERN END OF 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIPD AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO SURFACE ROUGHENING SEDIMENT TRAP TO BEGIN STABILIZATION PROCESS. SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR. SR 3.29 VA E&SC STD. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE 7. ESTABLISH FINISH GRADES. DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. APPLIED AT 90LBS/1000SF INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. Fb�fILIZER SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. P�RMANENT SEEDING SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND 0-5% TOPSOILING 8. REMOVE TEMPORARY DIVEWSION DIKES ONCE SEEDED AREAS ARE 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBS1100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY TO THE COUNTY EROSION CONTROL INSPECTOR. 3.30 VA E&SC STD. STABILIZED. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES PERMANENT SEEDING 9. CONSULT REGULARLY WITH COUNTY ER08ION CONTROL AGENT TO IS TO BE REPAIR IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED PS DETERMINE WHEN CERTAIN AREAS OF SITE QUALIFY AS "STABILIZED." 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING 3.32 VA E&SC STD. DECOMMISSION ES&C MEASURES AS PERMITTED. ENSURE THAT 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. TEMPORARY SEEDING ADEQUATE STABILIZATION PRIOR TO DEMOBILIZING SITE -WIDE IS WOOD, RUBBISH, AND OTHER DEBRIS. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REM10VED WITHIN 30 DAYS OF FINAL SITE STABILIZATION, TS ACCOMPLISHED. WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 3.31 VA E&SC STD. 0 10, 20' 401 M --, ___ 1 80f —1001 �E.�"R xl3x A 00"NCEPTS, P.C. CIVIL ENGINE ERS LANDSCAPE ARCHITECTS 200 6th STREFr, NE CHARLOTTESVILLE, VIRGINIA 22902 1 PH, 434-295-6496 FAX 434-296-6497 1 SCALE: 199 = 20) ISSUED- 8/21/07 DRAWN BY- MOS REVISIONS: 1. 9/17/07 COUNTY COMMENTS All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. @ TERRA CONCEPTS, P.C. SHEET OF 31 DRAINAGE SWALE DIRECTS FLOW TO SEDIMENT BASIN 70'MIN. 31f SM-2A ASPHALT TOP COURSE 'j A*- L010 -aK 0 DIVERSION DITCH SIDE ELEVATION EXISTING GROUND SOURCE: VA. DSWC DESIGN HIGH WATER (25-YR. STORM ELEV.) ELEV. 648.50 V EXISTING MIN: 0.5' PAVEMENT WET STORAGE ELEV. 648.00 . ........... ........ ....... DRY STORAGE .............................. .... . 6" VDOT #2 1 A ELEV. 646.00 ... AGGREGATE BASE ... .......... SEDIMENT CLEANOUT ......... ....... ........ ELEV. 644.40 ......... ........ I ........................ .................................... .. I .... I ..................... * *' ......... .... ................................ ........ 70'MIN. ASPHALT PAVED WASHRACK 10'MIN. it 2% 12'MIN. EXISTING L PAVEMENT ' 2% DIVERSION DITCH MIN. [--�-POSITIVE DRAINAGE 10'MIN. I WIDTH AT DESIGN WATER TO SEDIMENT ELEVATION IS 4.0' TRAPPING DEVICE PLAN VIEW MUST EXTEND FULL WIDTH OF INGRESS AND EGRESS OPERATION SET'IY2" WATER HYDRANT WITH FROST PROOF HYDRANT 3' ABOVE GRADE AND 4' OFF EDGE OF PAVEMENT E E f I 17�1 I 11:: �-1 I r=H71 III III* Ht HI 11 NOTE: A MINIMUM WATER TRAP OF 1" IS REQUIRED WITH A MINIMUM WASH HOSE DIA. OF 1.511 SECTION A -A ALIBEMAIRLE COUNT Y CONSTIR U C .1 ION ENTRANCE SECTION SOURCE: VA. DSWC Compacted Soil 00011010 If min. I a -Flow OLD -4.5'min.- 0 1 V 3111 Wed 191\6440110LAWN, F SECTION Source* Public Facilities Manual, Vol. III, Fairfax Co., Va., 1976 DRIP LINE PROTECTIVE DEVICE MAXIMUM LIMITS OF CLEARING AND GRADING ti PROPOSED GRADING ---,,,- E-001 N.T.S. PLATE 3.09-1 a MIN. 5 %9"19 A116 WHERE D IPLINE IS LESS THAN Gad{ U 51 CON TIP"IUCTION\ OPERATIONS RELATIVE TO THE LOCATION OF -PROT:JECTED TREES Plate 3.38-1 TOP OF DAM PLATE. 3.14-2 ELEV. 650.00 - RISER CREST ELEV. 648.00 - 181, CMP RISER 3" DEWATERING ORIFICE ELEV. 646.00 INVERT ELEV. 642.00 15., CMP @ 8.23% ELEV. 642.00 CONCRETE 60" BASE DESIGN ELEVATIONS WITH EMERGENCY SPILLWAY (RISER PASSES 2-YR. EVENT) SEDIMENT BASIN\ 1DUSEI . SECTION SOURCE: USDA-SCS PLAN VIEW 1.00 D TACKWELD ALL AROU #6 X 12- SPACM E (TYPICAL) - PRESSURE RELIEF tiOtIS 1/2* DW A BAR SIZE W MIN) EMERGENCY SPILLWAY ELEV. 649.00 TOP STIFFENER (IF REQUIRED) IS -X-X --ANGLE WELDED TO TOP AND ORIENTED PER- PENDICULAR TO CORRUGATIONS. TOP IS GA 1E CORRUGATED METAL OR 1/8" STEEL PLATE. PRESSURE RELIEF HOLES MAY BE OMMITTED, IF ENDS OF CORRUGATIONS ARE LEFT FULLY OPEN WHEN 'THE TOP IS ATTACHED. CYLINDER IS SAGE CORRUGATED METAL PIPE (OR FABRICATED FROM 11811 STEEL PLATE. NOTES: 1. THE CYLINDER MUST BE FIRMLY FASTENED TO THE TOP OF THE RISER. 2. SUPPORT BARS ARE WELDED TO THE TOP OF THE RISER OR ATTACHED BY STRAPS BOLTED TO TOP OF RISER. RISM DIAMErER.M. I I SECTION A -A ISOMETRIC ANTI- VOIDNTEX DEVICE DE.SIGN DEj'TAIL 31 �40 2.0 DEPTH MIN > X/ XN� X - CJ Ny XN X/ N X/I X > X, X x N X� X FILTER FABRIC CLASS I RIP RAP DI'D -RAP DITCH SECTION SOURCE: VA, DSWC liiitlliiil!.111=11 \�'�` i �=1 11= I I_ ,�h Ic GROOVING IS CUTTING FURROWS ALONG THE CONTOUR OF A SLOPE. IRREGULARITIES IN THE SOIL SURFACE CATCH RAINWATER AND PROVIDE SOME COVERAGE OF LIME, FERTILIZER AND SEED. GlDINDOVIN(J" SLOIIEDES E-019 N.T.S. PLATE. 3.14-10 SOURCE: USDA-SCS D Now D/2 NO,SCALE INFLOW RISER NORMAL POOL NORMAL POOL L = TOTAL DISTANCE FROM THE POINT OF INFLOW AROUND THE BAFFLE TO THE RISER. 012 %RISER D BA INFLOW NORMAL POOL RISER---,, 1-11 BAFFLE -51 D L /L2 D/2 L L, L 2 INFLOW PLATE. 3.14-6 SHEETS OF 4'X 8'X 1/2" EXTERIOR PLYWOOD OR EQUIVALENT 6" RISER CREST ELEVATION r I 41 it 1 Ti I' --**- POSTS MIN. SIZE 4' SQUARE OR 5" ROUND. SET AT LEAST TINTO THE GROUND. K'--G ]BAFFLE LOCATIONS SIN SEDIMENT BASINS E-080 3 _)SECTION E T.S. E-068 N.T.S. PLATE 3.29-2 SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Gontrol,VA. DSWC Sherwood and Wyant 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 6'MAX. M 6'M"'X' L In 0,000 FLOW e-- 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. NZ FLOW SHEET FLOW INSTALLATION (PERSPECTIVE VIE" FLOW POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) CONSTRUCTION OF A SILT FENCE (WITHOUT W11DXE SUIP 'JLD %Y - J% 1DX PLATE. 3.05-2 RxlD-xA CONCEPTS, P.C. CIVIL ENGINEER LANDSCAPE ARCHITECTS 200 6th ST�=, NE CHARLOTTESVILLE, VIRGINIA 22902 PH. 434-295-6496 FAX 434-296-6497 - 'a WS A41 OPP SCALE- 1 20' /21/07 ISSUED- 8 DRAWN BY.- MOS REVISIONS: 1. 9/17/07 COUNTY COMMENTS All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. © TERRA CONCEPTS, P.C. SHEET DETAIL E-0112 N.T- . S. SECTION E-032 N.T.S. DETAIL E-028 N.T.S. OF 3