Loading...
The URL can be used to link to this page
Your browser does not support the video tag.
Home
My WebLink
About
WPO201300016 Plan - Approved 2013-03-01 (2)
W ESTLAKE HILLS SUBDIVISION GENERAL NOTES OWNER: L/CK/NGHOLE CREEK, LLC 2421 IVY ROAD CHARLOTTESVILLE, VA 22902 DEVELOPER: R/VERBEND DEVELOPMENT, INC. 321 E MAIN S, SUITE 201 CHARLOTTESVILLE, VA 22902 A TTN: ALAN TAYLOR ENGINEER: COLLINS ENGINEERING 200 GARRETT ST, SUITE K CHARLOTTESVILLE, VA 22902 (434)293 -3719 PRE— APPLICA T/ON CONFERENCE. JANUARY 23, 2012 TAX MAP NO.: 05600- 00- 00 -095AO COVER SHEET DB 2733 PG 150 lit 05600- 00- 00 -095BO EROSION & SEDIMENT CONTROL PLAN PHASE 1 DB 2733 PG 150 EROSION & SEDIMENT CONTROL PLAN PHASE II 05600 -00 -00 -05300 .� IN DB 4024 PG 489 TOTAL PROJECT AREA: 05600- 00- 00 -095AO — 3795 AC. SCALE 05600- 00- 00 -095BO — 76.49 AC. SHEET NO. 05600 -00 -00 -05300 — 25.49 AC. 142.93 ACRES TOTAL PHASE 1 PROJECT AREA: 46.09 ACRES ZONING. R -1 RESIDENTIAL CLUSTER DEVELOPMENT AND BONUS DENSITY STANDARDS ARE BEING IMPLEMENTED DENS /TY.• ALLOWABLE DENSITY FOR STANDARD LEVEL CLUSTER DEVELOPMENT 0.97 DU /AC + 57 DENSITY BONUS FOR STREET TREES AS SPECIFIED IN SECTION 32.7.9 = 0.97 x [1 +0.05] = 1.02 DU /AC PROPOSED DENSITY- PHASE l: 47 UNI IS 47146.09 AC.= 1.02 DU /AC. PHASE / OPEN SPACE. TOTAL OPEN SPACE PROPOSED = 16.74 AC 16.80 AC / 46.09 AC = 36.57 TOTAL OPEN SPACE REQUIRED THIS PHASE. • 46.09 x 257 = 11.52 AC. OPEN SPACE TO BE OWNED AND MAINTAINED BY THE HOMEOWNERS ASSOCIATION. ALL OPEN SPACE SHALL BE RESERVED IN A DEED FOR THE COMMON USE OF LOT OWNERS IN THE SUBDIVISION. BUILDING HEIGHTS. • MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET SETBACKS. FRONT 25' SIDE: 15' 1�Ii 'p REAR: 20' SUBDIVISION STREETS: CURB & GUTTER WA TERSHED: L/CK/NGHOLE CREEK WATER SUPPLY WATERSHED AGR ICULTURAL/ FORESTAL DISTRICT NONE TOPO & SURVEY- TOPOGRAPHY IS COMPILED FROM SURVEY BY A COMBINATION OF ROUDABUSH, GALE AND ASSOCIATES AND LOUISA AERIAL SURVEYS INC., JANUARY 2007. BOUNDARY INFORMATION IS COMPILED FROM BOUNDARY DATA PROVIDED BY ROUDABUSH, GALE, AND ASSOCIATES DATED APRIL 2013 AND ALBEMARLE COUNTY RECORDED SUBDIVISION PLATS. DATUM: NAD 83, BENCHMARK LOCATED ON TOP OF EX MH CZI —MH -85 EXISTING VEGETATION: PARTIALLY WOODED LIGHTING. NO LIGHTING IS PROPOSED PHASING. SITE TO BE DEVELOPED IN A MINIMUM OF FOUR (4) PHASES FINAL PHASE LIMITS TO BE DETERMINED WITH CONSTRUCTION PLANS AND SUBDIVISION PLATTING. ALL OPEN SPACE MUST BE A MINIMUM OF 257 OR GREA TER FOR EACH PHASE OF THE DEVELOPMENT. PARKING: 2 OFF— STREET PARKING SPACES SHALL BE PROVIDED ON EACH SINGLE — FAMILY LOT. ON— STREET PARKING SHALL BE PROVIDED AS NOTED WITH THE STREET DESIGN. BUILDING SITES. PARCELS 1 -131 MAY NOT BE FURTHER DIVIDED. A MINIMUM OF 6, 038 SF BUILDING SITE AREA IS PROVIDED ON EACH LOT SEE DETAIL ON SITE PLAN SHEET. BURIAL SITES. • NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE. STREAM BUFFERS. • THE STREAM BUFFERS SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE WITH THE ALBEMARLE COUNTY WATER PROTECTION ORDINANCE RETAINING WALLS. • NO RETAINING WALLS ARE PROPOSED PHASE I AREAS. LO IS. • 22.15 AC. RIGHT OF— WA Y.• 7.14 AC. OPEN SPA CE. 16.80 AC. IMPERVIOUS AREAS: ROADS (INCL. SIDEWALK): 5.77 AC. BUILDINGS/ DR/ VEWA YS: 6.17 AC. TOTAL: 11.94 AC. CRITICAL SLOPES. CRITICAL SLOPES ARE EXISTING ON SITE AS SHOWN ON THE PLAN. A SEPARATE WAIVER REQUEST HAS BEEN APPROVED FOR THE 1.40 AC. OF PROPOSED CRITICAL SLOPE IMPACTS UNDER THE PRELIM /NARY PLAT APPROVAL SUB2012 -38. NOTES: 1) THIS PROPERTY DOES NOT LIE WITHIN AN AGRICULTURAL AND /OR FORESTAL D /STRICT. 2) ONLY (1) DWELLING PER LOT SHALL BE ALLOWED. 3) THIS 100 —YEAR FLOODPLA/N LIMITS EXIST ON THE SUBJECT PARCEL, PER ON FEMA MAP NUMBERS 51003CO229D, 51003CO235D, 51003CO237D, & 5100JCO245D ADOPTED FEBRUARY 4, 2005. THE PROPOSED DEVELOPMENT SWM POND /SEDIMENT BASIN OUTFALL STRUCTURES AND SANITARY SEWER EXIST WITHIN THESE LIMITS 4) EACH LOT AS SHOWN HEREIN CONTAINS A BUILDING SITE WITH MINIMUM 6,038 SF BUILDING SITE AREA AS SHOWN ON THE SITE PLAN, WHICH MEETS THE REQUIREMENTS OF SECTION 4.2.1 5) ALL PROPOSED UTILITY AND DRAINAGE EASEMENTS SHALL BE DEDICATED TO PUBLIC USE. 6) STREET TREES SHALL BE PROVIDED ALONG ALL THE PUBLIC STREETS 40' O.C. IN ACCORDANCE WITH VDOT AND ALBEMARLE COUNTY STANDARDS. 7) THE STREAM BUFFER SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE WITH THE WATER PROTECTION ORDINANCE OF ALBEMARLE COUNTY. 8) UTILITY EASEMENTS SHALL BE CENTERED ON THE AS —BUILT LOCATIONS OF WATER AND SEWER FACILITIES. 1. PHASE I WP WHITEHALL DISTRICT ALBEMARLE COUNTY, VIRGINIA UPDATES -SWM FACILITY 2 (ESC SEDIMENT BASIN #1) IS RELOCATED OUTSIDE OF THE 100' YEAR FLOOD PLAIN -STORM SEWER PIPE 1A ADJUSTED AS SHOWN ON ESC PHASE II -STORM SEWER STRUCTURE 1B ADJUSTED AS SHOWN ON ESC PHASE II -SWM FACILITY #2 IS A DRY DETENTION POND - MITIGATION UPDATED TO REFLECT IMPACT CHANGES WITH OVERALL IMPACT DECREASING BY 0.04 ACRES i 0; op _j /X' TMP 05"O_-00-09 0 13 (� LICKiNGHOLECREC',�L�C n d 11 A .1 1 O ri 1, �.\ \ �r -1 ./ \ ` 1 SHEET LAYOUT SCALE: 1" = 300' a ) ° 1 J/ 1 j f ,1_ v ,Sheet List Table Sheet Number Sheet Title 1 COVER SHEET 28 lit 31 EROSION & SEDIMENT CONTROL PLAN PHASE 1 33 EROSION & SEDIMENT CONTROL PLAN PHASE II 34 .� IN 39 MITIGATION PLAN k • , Y,r��Ji�� mg- SCALE f't.. SHEET NO. 1 to 1�Ii 'p ,Sheet List Table Sheet Number Sheet Title 1 COVER SHEET 28 STORMWATER MANAGEMENT DETAILS 31 EROSION & SEDIMENT CONTROL PLAN PHASE 1 33 EROSION & SEDIMENT CONTROL PLAN PHASE II 34 EROSION & SEDIMENT CONTROL CALCULATIONS 39 MITIGATION PLAN TOTAL 6 PAGES Z� �{ 2,�.I APPROVALS DATE DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNER/ZONING b ENGINEER INSPECTIONS O ARB DEPARTMENT OF FIRE RESCUE a ALBEMARLE COUNTY SERVICE AUTHORITY JOB NO. VIRGINIA DEPARMENT OF TRANSPORTATION SCALE HEALTH DEPARTMENT SHEET NO. COLLINS ENGINEERING IS NOT RESPONSIBLE OR LIABLE FOR ANY CONSTRUCTION OR DAMAGES TO THIS PROJECT PRIOR TO ALL FINAL PLAN APPROVALS. �,TH o O SCOTT R. COLLINS U No. 35791 t�'gS j ONAL ECG z 0 F- U Ln w 0 z 0 w U) ZW a H N W w z O a Ldp H LU 0 Le) Z J O Q w z d- rn o L� ti AV M demn C'i d') N ommm w ow LLd' 1 O N N LLl AV _J LU L9 F_ NO LL TQ ..L U 1 � LLl F_ Ul U) 0 z F_: LL1 ry F_ U) LLI Jry ry Q O N t z W r) Z W G Q O H W LLl W U) _ U 0/ L� W VJ J O U LLB Q J ,F_ V W ° 0 cn a n_ a c D 0 a ° ° n 06 cz o �Li �w z a � �z D Lt1 �V) D z a_j D J � O 0 Q) ° n c 3 0 c c _ ° U a U c U � 0 3 a m L n xx y Q) 0 D � E� 0 a -c c :t 0 3 z c Y � ,D �N z 0 z . °_ J U n z � J D J ° U :J O ° T 0 CL �o o� > .n N U 0 x V U QJ L n c D c -a DE U •- 0 - -0- 0 D O V � O U N N > O 'co ca � U � L d N 0 4) N � 3 W b w O w a U) JOB NO. 112072 SCALE AS SHOWN SHEET NO. 1 ° 0 cn a n_ a c D 0 a ° ° n 06 cz o �Li �w z a � �z D Lt1 �V) D z a_j D J � O 0 Q) ° n c 3 0 c c _ ° U a U c U � 0 3 a m L n xx y Q) 0 D � E� 0 a -c c :t 0 3 z c Y � ,D �N z 0 z . °_ J U n z � J D J ° U :J O ° T 0 CL �o o� > .n N U 0 x V U QJ L n c D c -a DE U •- 0 - -0- 0 D O V � O U N N > O 'co ca � U � L d N 0 4) N � 3 t ! 1 - -, SWM FACILITY #z . -- -- VDOT.STD. +V1/ -1 WITH + \;13 ! t i..ti . \. \ y \ EG1'CLASS II RIPR�4P ! 1 i i. �'.t.'.'..j. 7 7 . Al ... �\ \ \ \\ - \ \ D.A. #2 / \ i e. i 1 �111�4.5,V112 =1 .5,Lr17 D 1 ! !r !t ........ I L fdJ' ..lI - - - .�x ... LOT ..,� �r .I !' /! ; r :i: Rat POSES FORE�AY 2 0_G2 5 SF t 1 rt I , ' X10 \ \\ `.. \ . ` y -\ \ 570 it i'/. 2 -YEAiZ WSE = 553:40 r l - !' ; , \\ . 6 ,YEAR WSE - 555.64 - �' 0 -NEAR WSE = 556.992 j. J /,� / -. �. \� r __ <':�' •' �-- -' / J l r l :�\� \ \ \�. �\` , \ - -_ Imo,. -- � - � � j �. \ \ / PROPOS 8 F_ HEN, . / _ p_ 8.- ..t .7J. EMER NCYjSP SWAY 9. / J .0.-1 . .SI.. 1�. ATE / 5 6.75 , _ _ '\ y ,\ / /. �/ y' // / y' .. .. .......... \0< // / j y //y y y y / / .. .......... \ \ PROPOSED-30 SE T ELEV :.555.. WITH 2-4" LOW-FL . ICES AT 1 U. 552.00 /�� /// /y / / y% j/ y /' -' rd' ! /'� / AND 4-4" LOW -FLO RI ES-AT-ELEV. 50.00 / I ---~\ / �' �' / PROPOSED 24" BARREL �' J ' .. /r �- / 1 - �, INV OUT: 549.60 - 1 t.. . I. . . . . ._- ..... : .i�'� /��..•'/�/' �/ // / °d" l / / -� i �.�' �- // - - .. . . . . . . . - . S - -_ i . \ ......... // ! ` /.�. //. .,, ✓i. .. �.y. /y.. // �C�1 .. .. ... .... . ...\ . 5 ...... S _' - -- S ..tl ..t ...�`. /. / / /, . ; ../ .. ^`... ���... /% ...� rf // / / / .�. .� .....................,\ . `?t�/5.A..�.5... / ---- -- J ....... ... .......�........... --. -.- UQ �� . �� . %. i. �.` . �' ...;.'....i, / /VED GRADED,, / �� l . _ _ 1. . - - \......1 . / ......... /yi -_- \. \... /. . SWM AC ROAD' yy . i ..... . �, \\......... ...... ................... �crue�tt r- �� /✓� 1/' V�C �' ...y! i TOP' OF' lNG __�.... . _ MH 'RWSA' GZ -85 ~�_.. ------ . ` ........ . r! /l 1 _.549:7 -{ ............. / �\i\I y ............. ....... ELEV................. ...................... ........ - _ ....... - / / / �- / ............ ....... �` , ...................... ................. ............................... -- - / �� / ......... �.r............. i _. ............................... ............... . `� / 1 / .. ..... ... .... ... ....... \ / / f / ........... �. ....... /` ,'...`... ...................~ - ............... / ........ /....................... .........� / / / / �i 1 _ PROPOSED VDOT STD. EW-1 AND VDOT \ _E% --?vtH ... ...........i . ........... 1_ -1. CLASS A RIPRAP WIGEOTEXTiLE. F?... \\ T i.....y..........�i.. �ZI -MH -86 �/ . ���" .....;f......... <..........y..' "�.... �. U�3FRLAYMENT f tJ1RED. -- / / / I i . ... .....(D50 =.9.' ;. W1 =7:5: ;.W2 =.18:56.L ='16; D= .1.4 .)... - _ -- / TOP. _� -.�- :...... ;� . ........... . - �� '~ i. / �. 1 1 ". �� ..... ..... ... ....... ..... � / / i L _ -�� .4.4 ......,, ............ /r.. 1�. �, �. ......... } .- ... - .-- A.` .............:..... . / / ... ...... ..... ... .... ... f. ... .... ... ,.. I \. �... . . r � ..............�.. ................. .............y................. ' / /,. ... .t.... t .... ....... ... \ 1 l'. .�s �\ /. / . j .. C.'.'............. �/ ............ yy ��. \..�......... t �.... 1......T..... ............ ('... ............. y :............ ....'.'f'.' �............... �... 1 J' /. . ... ... ... ... ... 1.. / .... ............................... ... .. ............ ........ ........ ........ ,.. ./. 1.. ...... m/ . . . . ..j. . . . . . . . . . . .,. ..j. . . . . . . . .�.t. . . . . r .i ..... ... ....... .... ... .... .... .... ....... /..... .. ..... . ; ....... ............. ................ .... ..... ..... .... .. ......i....................... t j..... /... .....'.(..... .......I. ' ............ j .......... ............................... / ............ .................... ....... .............. ............................... 1� !...�.j.� %.'............. .................... /. Summary of Watersheds DRY RETENTION BASIN PLANTING LEGEND: Pre - Development 2 -Yr Flow 10 -Yr Flow ost - Development 2 -Yr Flow 10 -Yr Flow D.A. #1 28.35 ac. D.A. #2 15.35 ac. 9.77 2.88 13.92 10.63 JD .A. #1 31.76 ac. .A. #2 17.13 ac. 7.25 3.96 11.98 7.63 1 N_ = 26.88 ac. 12.65 24.55 ` = 26.62 ac. 11.21 19.61 SWM FACILITY #2 ERNMX -127 OR APPROVED EQUIVALENT ERNST CONSERVATION SEEDS 1 -800- 873-3321 9,5o1 SF REQUIRED Routing Method: storage - indication Basin Input Data inflow Hydrographs 2 -Yr 24 -Hour SCS storm event 7 Contour Areas 3 Inflow Hydrographs inflow (cfs) 13.092 at 11.96 (hrs) Elevation(ft) Area(sf) Computed Vol.(cy) Hydrograph o discharge (cfs) 3.956 at 12.18 (hrs) 550.00 2492.00 0.0 SCS water level (ft) 553.403 at 12.18 (hrs) SS2.00 3911.00 235.2 name: 2 -Yr 24 -Hour SCS storm event storage (cy) 466.957 554.00 55S6.00 584.0 Area (acres) 6.670 1 555.00 6468.00 806.5 CN 79.500 10 -Yr24 -Hour SCS storm event 556.00 7440.00 1o63.8 Type 2 inflow (cfs) 25.1o1 at 11.96 (hrs) 558.00 9501.00 1689.7 rainfall, P (in) 3.700 discharge (cfs) 7.632 at 12.1.8 (hrs) n time of conc. (hrs) 0.1800 water level (ft) 555.636 at 12.18 (hrs) Start- Elevation(ft) 550.00 VOL(cy) 0.00 time increment (hrs) 0.0200 storage (cy) 965.955 W time limit (hrs) 30.000 4 Outlet Structures Outlet structure 2 fudge factor 1.00 loo -Yr 24 -Hour SCS storm event Outlet structure o Curve routed true inflow (cfs) 49.120 at 11.96 (hrs) Orifice name: Riser peak flow (cfs) 13.092 p ) discharge (cfs) 40.248 at 12.04 (hrs) name: Low -Flow Orifices multiple 1 peak time (hrs) 11.970 water level (ft) 556.992 at 12.04 (hrs) area (sf) o.o87 Invert (ft) 555.36o volume (cy) 1576.292 storage (cy) 1355.295 diameter or depth (in) 4.000 discharge into riser Ln W �S/ width for rect. (in) 0.000 file: thirty.txt Hydrograph 1 coefficient o.600 invert (ft) Outlet structure 3 SCS name: to -Yr 24 -Hour SCS storm event 0 U) 552.000 multiple 2 Weir Area (acres) 6.670 discharge into riser enc Spillway name: Emergency g y p y CN 79.500 Type e 3: length (ft) 8.000 rainfall, P (in) 5.600 Outlet structure 1 side angle 63.000 time of conc. (hrs) 0.1800 L.I.. � J0 Culvert name: Barrel coefficient 3.000 invert (ft) 556.750 time increment (hrs) o.o2oo multiple 1 multiple 1 time limit (hrs) 3o.000 discharge out of riser discharge through dam fudge factor 1.00 routed true D (in) 24.000 h (in) 2.000 Outlet structure 4 peak flow (cfs) 25.101 Length (ft) 80.000 Orifice peak time (hrs) 11.970 w J f- Slope 0.005 name: Low -Flow Orifices volume (cy) 3022.221 Manning's n 0.013 area (sf) o.o87 Hydrograph 2 Inlet coeff. Ke 0.500 diameter or depth (in) 4.000 SCS Equation constant set 3 width for rect. (in) 0.000 name: loo -Yr 24 -Hour SCS storm event Invert (ft) 55o.000 coefficient o.600 Area (acres) 6.670 invert (ft) 55o.000 CN 79.500 multiple 4 Type 2 discharge into riser rainfall, P (in) 9.100 time of conc. (hrs) o.1800 time increment (hrs) 0.0200 time limit (hrs) 30.000 fudge factor 1.00 routed true peak flow (cfs) 49.121 peak time (hrs) 11.970 volume (cy) 5914.122 Technical Sulletin 7 SWIM FACILITY #2 DESIGN (NOT TO SCALE) 4' WIDE FOREBA Y TOP OF DAM ELEV.= 556 -� \ VDO T STD. EC -1, CL. ll, TYPE B RIP -RAP LINED W/ GEOTEXTILE FABRIC UNDERLA YMENT N (15'Lx9'Wx2'D) BOTTOM OF FOREBA ) 550.00 PROPOSED HANSO ANTI - VORTEX DEVICE, SEE THIS SHEET FOR DETAILS 30" RCP RISER= 555.36 2 -4" LOW FLOW ORIFICES BOTTOM OF POND---' , - - 550.00 MIN. 6' WIDE & 7' DEEP IMPERVIOUS CORE & CUTOFF TRENCH WITH 1:1 SIDE SLOPES. DRY RETENTION BASIN �2 (NOT TO SCALE) AT ELEVAT70N 552.0 - 77?ASH RACKS SHALL BE 1 : 7 2 INSTALLED ON ALL ORIFICES IN ACCORDANCE w w/VSMH CHAP7FR 2 d=9 :27. CE COEFF. 4 -4" LOW FLOW ORIFICES PROPOSED 24" RCP BARREL AT ELEVA77ON 552.00. ----- 80 LF ® 0.5.Z TRASH RACKS SHALL , INV. IN= 550.00' INSTALLED ON ALL ORIFICES IN ACCORDANCE I /NV. OUT- 549.60' w/VSMH CHAPTER 2 1 RISER FOOTING 60"X60 "X18" MULIT- STAGE RISER CONCRETE J N N NOT TO SCALE Minimum Standard 3.02 1/2" roc plated hook atUmbed witit 3/0' faettner dia. hobs Isometric 1/47 fmpr }slate F1Ps n. p bolted to &W -1 �-7' .134TS'k {- XDFS structw el plalti-o -with 0 a -I/W holes nr d i/0 ptaEn f n;uav&ctura+3 by Plastic Sohn ow rAA- or aalvni RWT 0000 u- i s shown wKh optlanel plate V"T A �.p conc. mn ETF-L (8' thick) HDPE etruckural plande ppvdLh �GlvlClil mmu a.ctuured bX 1 Lsslicate solute: !n_ w,r r�yna.y 45/6" die. hale 0 VDra2 std. RT_ A 4 e s -_ --_ .. ---- ....�. - ..-- ..�...�..�......._,..... _ - e9n�la HAtP E'leveLtion arE3l�e ELASTIC 20 VaGh*6 l eJLJ�'L1.f �f �lY�,.7 F.4.. Hns �13II8 BMP DEBRIS CAGE Mubata v& =11`04 .INC. "o -70-01" Perforated cc FOUNDATION DRAIN 2 & 10- YEAR STORM EVENTS DO PROPOSED TOP OF DAM NOT CREST THE EMERGENCY WIDTH= 10'± AT AN SPILLWAY ELEVA770N= 558.00' 100 YEAR W. S E. = 556.992' 1.008' OF FREEBOARD DURING 7HE 100 - YR STORM - N EVENT (V 8 WEIR COEFF. = 3.0 SPILL WAY PROPOSED EARTHEN ELEV.= 556.75' LINED SPILLWAY EMERGENCYSPILLWAY NOT TO SCALE FIGURE 3,01- la Homoge,rteozis Ehihtttlkzttews H?f Seepage C'orttrols ornogeneous fill T rnin � -Out off trench -4 r below suitable material Soil or rock L - - - - _. _. _... - _..-. _ J TYPICAL. HOMOGENEOUS EMBANKMENT s�los dmin Sand, gravel or ro& drain outlet _.. -Rock toe ,-Transition filter CHIMNEY DRAIN son)-ae: SCS E7gatxeel.i g iehi .Aymnjal 3,01 - 3 Transition ,,Rock or gravel Blanket drain BLANKET DRAIN ;>,, dock or grovel �� w4 drain tk`2��a Transition filter TOE DRAIN I•- �4 d• 6 I •� ) A 11 ) s tr I i r - A. Oil r tv UM dHW, -.r& ftion 'it ajjU' ST �11;3 i Wat:x a (Amai,haNY&m min t -fir and H;w ° .DA- I* xIr V w-4 out ( rs 1.13 l 2 XA V42-S. N A`2.5 I mix to ��# it: '- I'0 �•�.�� �,:: = E�.11=�t� pal. ��:� ems 100 '' _ •1.. unless. rk dt: tl =1 s M133 + 7 !fir - rimm 0 "Ant.. d 4� tv Ano-wp"x cap oz, xiv r" 1.D 0 ret .- -- 11 H 0 � SCO'n R. COLLINS U No. 35791 12�, �'o w �S'sJ ONAL Erb\ z 0 a U w z 0 Ln w Ce Zw 0 0 H N W Cie z O Lnm w � 0 u) Z _j o a z w - w d- i- o a o; 3- W- 130 1 : 7 2 {r 925 4- a 2-26 .a4 w Z2 d=9 :27. w N cYi �- I- z -411 N IN 1 04 1 N V J 1 " = 40' J N N z 60 2'9 2: W 114 n 66, &Ift- % 913• T54 a4 1X,- 5.:21IR W fW" T LU O 126 .14. • teia: SAT iflt -126. 147# U IN V / I•- �4 d• 6 I •� ) A 11 ) s tr I i r - A. Oil r tv UM dHW, -.r& ftion 'it ajjU' ST �11;3 i Wat:x a (Amai,haNY&m min t -fir and H;w ° .DA- I* xIr V w-4 out ( rs 1.13 l 2 XA V42-S. N A`2.5 I mix to ��# it: '- I'0 �•�.�� �,:: = E�.11=�t� pal. ��:� ems 100 '' _ •1.. unless. rk dt: tl =1 s M133 + 7 !fir - rimm 0 "Ant.. d 4� tv Ano-wp"x cap oz, xiv r" 1.D 0 ret .- -- 11 H 0 � SCO'n R. COLLINS U No. 35791 12�, �'o w �S'sJ ONAL Erb\ z 0 a U w z 0 Ln w Ce Zw 0 0 H N W Cie z O Lnm w � 0 u) Z _j o a z w - w d- i- o a o; W 0 a a c D L 0 w- Q) m m o � �z o � � w z D z w L (I) Dz O_ J C O L U a_ a) 0 0 -1 c 0 • U � c m 0 U -V � •L o� a- in CO 0 Q L a- x � N O U C � o o � s 0 3 0 0) Z co�_Y w z � C z w U w D z -1 N J C O O U L a o T � C L D 0 o o c n. �D � c v _o U U 0 � U D N EE o -D 0 -D C U D C O m En > D C U D C L O > O- U Q) 0 U) 0 0 t -C 3 H F- M M o w N cYi �- I- z L0 N IN 1 W N V J 1 " = 40' J N N z Q � W 2: W W 0 L AV O z dam _j lL W fW" LU O U.J < Vl CL U IN V / 1 LU Ln W �S/ U") zW Q 0 U) W w J 3: 1 L.I.. � J0 Q 0 N w J f- W 0 a a c D L 0 w- Q) m m o � �z o � � w z D z w L (I) Dz O_ J C O L U a_ a) 0 0 -1 c 0 • U � c m 0 U -V � •L o� a- in CO 0 Q L a- x � N O U C � o o � s 0 3 0 0) Z co�_Y w z � C z w U w D z -1 N J C O O U L a o T � C L D 0 o o c n. �D � c v _o U U 0 � U D N EE o -D 0 -D C U D C O m En > D C U D C L O > O- U Q) 0 U) 0 0 t -C 3 H F- o w a- L0 JOB NO. 112072 SCALE 1 " = 40' SHEET NO. 28 W 0 a a c D L 0 w- Q) m m o � �z o � � w z D z w L (I) Dz O_ J C O L U a_ a) 0 0 -1 c 0 • U � c m 0 U -V � •L o� a- in CO 0 Q L a- x � N O U C � o o � s 0 3 0 0) Z co�_Y w z � C z w U w D z -1 N J C O O U L a o T � C L D 0 o o c n. �D � c v _o U U 0 � U D N EE o -D 0 -D C U D C O m En > D C U D C L O > O- U Q) 0 U) 0 0 t -C 3 J i / -`� I - - / -- - _ - - sF �' / - I ,' / qq .,r'i , r' - / - / / ,-- /' k 1.- ; _ = �° -- ' -- - - --' = = ' ' /' = = - � - -= _- - LEGEND LEGEND 1-1 / 1 STONE OUTFACE INTO TRAP - = , f/ r ' 5 / / / / J f nl ♦ sF / / / / / _ / / / // S / _ _ . ��- \ %// / / - / I NCE SF SILT FENCE PER VESCH 3.05 ' / \ �,� 6 Wx5 Lx2 . TYP.) j - - SF / sF / / / / - - \ \\ \ - / / / -/ - -- / / ' LIMITS OF LAND D STURBA / J j _ ,�ssF ROPOSED Z. . ..r..... ( '''- -- ,'� / // ;` 1 / ; i i / , f s / / - -/ / ��- - ~``\ \ \ \ / / / r �° / - f J V / / - / r / F f - - -� \ \ \ / �/ / / - / / ' / / / / j / - - \ / j_ ssF - / / / / f / / / F / / 5`' / /if -'/ - = -- - - ` \� \\ \ \ \ / / / /// /' / / i /� / / / / / -- - DIVERSION DIKE SSF SUPER SILT FENCE PER VESCH 3.05 J 1 �► SSF O �/� r r f / S / - / /// _ / / _-- O i i � SSF -_ / / f - ' ., / i , / F / `�- / i - / e - ' ' \ \ \ \\ i / / / / / / / r / .- -__ J j J I� i \ '�� `ssF - _ ssF --__ /� / % ° - �I / \, ' f // / f / ss // SF J / _ _ _ SEDIMENT TRAP STONE WEIR /,' //i / r ' f / -/ '' _ - BOUNDARY LINE 4 / / / - SILT FENCE _ / J / / - �i / _ \ \ \ \ / / f / / / / /� DD DIVERSION DIKE PER VESCH 3.09 ✓ j I ' - - 1.� , /..,_ -ssF I PROPOSED SILT FENCE ssF \ \ / / / /5 / / ' - - \ \ \ \ \ \ \ // % -- - - �i1 _ / / I - i / " / I / I 'I / // //,,'/ / � , , . , , I I I i , I r / /tai' / /I I I I I I // / , / / / // Ill I I ,/,�� I ( I 1, I I I I 1 � 1 � � -� "I I � � I I I - ( i) I �,, III III'I, � ,,I,I III, � --�� I I . . \ I � i\ I I I I � 1 � \ t ,�� \ t tt I I I I& y 1, � I I \ \ \ \ \ \ I, \ �- \ \/\\�� \ /\ , \ \ \ '--- - - �j)JI I, - I I --- . - \ \ \�� -- � - I ..\ \ � - - , - 14 I 1-1 � - ---� � \ \ -) ) , � � I � - -A4--j - I --I,. ...... I- I \ 1--- , I I I I i \1 \ I II I l I I I \ \ � \1 I\ \ �1 I I \ ! I -I \ \ - - I I 1, " I ) .i / I ; I i I ) I I I / I / I J I I I I , ! / / I - I � I I / I/ I , Y� � / , / I I I I /W Q) / / / / , I I I I I, I , I , " "' I / 1�1� / , / / / / It, / / /1 ; I / / / , 71 -----/ ------ 7 - ' I I/ 11 / i / 11 1/i I / / II I � � I � { 11 I . } I I I � --- 4 ---A---j- I I i ! - � I POSED FILTREXX UNOFF DIVERSIO i l I � f . INT9 ST /� / � I"I - , - - --� z:---K::�-- , - , \, '\ \ --- \ ---� , \ \ '. \ \\ --�6 ---�---� � X ,\ \'\ \ A t ' STONE OUTFACE N'T O' TRAP ' 6'Wx5'Lx2'D (TY \ \ \\ � -,\ � ---,----- I ---- � \ \ \ \ I \ � . , --- , � \ � ----� \ N \\ ,,LX WESTHALL PHASE FINAL GRADIN , \ -- � ----- 1� �- - -,- - ,- � . 11 � � I ... 1. I ....... �- -,.------\,I.,//, \ - - - - . %% � ..... I � ... � . . � . . .-�'. . I ).-� ...... /. � . / ... / . . . . . . ... - --- I- -1 I ,� z --OF :VERSION \ - " "' -'�\.'.'.'.'.�-'-'-'�',;".'.'.' 11��, I - - - -` . - $3F 6 3 .1 � - . I , 1 ... , F 642�0 -- - I . , ...... I ... --- --- -- � ,-v - -� - LEGEND LEGEND L, I /.. /I - /. . I .,. -�-, \ \\N . ....,y ....... ��... ---� �-- - V) . I . / --� ,- . . I � - I T Y) 3SIF -''.' I �. . � /, .Y. *.'. - ....... 11� . X --- --- ..�_---n- -I . . �/ . . ./ � . . z/. . - - I . . 11 ... LIMITS OF LAND DISTURBANCE SSF - SSF / / - . , - --- - - E TRAP STONE EIR .. .. e�- -/z �' \- - - SILT FENCE PER VESCH 3.05 1 , , - - - / ../. - ../X./. ../ - --� - & I'll - - 44�1%-"," . - -r // � . I / � ./ - - =10% L=15.1'; D=2.0' \ \ \ -\�'--.11.'.' �.� - - - I PROPOSED SILT FENCE 55 -- . . ",;,;/ . . . . . . . . . . . . I � I I �/ , - F. 7 -/-�/ - ---- , , \ , , . � z - - - , DIVERSION DIKE - - /. -�-----S� \ \ \ \ \ \ // , ;. - / ... / Z' . I , � - - --- PROPOSED - SUPER SILT FENCE PER VESCH 3.05 SILT FENCE ST -1-1, -/Sbv ... / .... / ..,.,.*. - � I \ \ ,\\ \ . � --:---.,�-.//./. I . ,-" - - 8 C-1 - -� ;1.01 /WIRE BACKING �TYP. ,:-� - PROPOSED SILT FENCE. .. ..... ../..,.,. ". ,-11/ BOUNDARY LINE ,--, I I I V- '/WIRE BACKING SF � ��- -/ ,/ / 11 / � I / ) " I I , 4d�s��-�� RE BACKING (TYP. . "�, , , V , ...". /. - I / I / ,--, I—, -� - - - - ---� v v -�- SILT FENCE (9 DIVERSION DIKE PER VESCH 3.09 0 SCOTT R. COLLINTS'-Z �- �Kr I -- (TYP.�U - __:%- � � -,--' ,- �> - ` � I ,\?�' / I / / /' --- *#.* I/ - ( ,- - III-7- ;�� 1-1 ---- --� --- - --- ----i \ - ( . -".,N\\ \ , \ \ \ \ (.1.1.1.1../-,-./...(.-" / / �,, - - - A -C-) No. 35791 . . '... I 00� / " -- --- 1\ - - , ..... ..1. 11 I /O / I / �- -- -- - -I���I TREE PROTECTION SEDIMENT TRAP PER VESCH 3.16 �� I L Ln - PLU - 0600 z /--' - "'. \ 1'�- ........ / /"0000 / j / / ,--' \ -- \_1 - 0 V) I NG[f- - - - _ _ - - -S� %, I../ � \ \ 11 / - ---- 1,�.- \ -0 , - - -,STONE-OUTF�LL INTO \T140 ..I...!. ../. - /., -.1 -- / , ,- -4 DIRECTION OF FLOW 11�� . I POOL --- .1 / \ z - --- 11 ,-- __----- I I \ 3� 1 2 6'Wx5'Lx2'D TYP.) �/ "., / /11 , >1 / � CONSTRUCTION ENTRANCE PER VESCH 3.02 - . . I ---- / / j / ----, N \ \ I �, "I \ \ \ `( \\ \,\,\,\\\' .�,�/- , / / --- - - - -\ -- 653.75- PROPOSED CONTOUR @ - - - -� � / , I - --� &_'�� \ "I \ \\ \ \ \ \ . . , / , , i // - IIIIIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIIIII DRAINAGE DIVIDE 1-�, , % - ------- - -1;r-1 z / / / /' z / --- - ---� , ,,, '\ \ \ \ \ I ,,- - � I / / 1-11 TREE PROTECTION & PRESERVATION PER A- --, - - I--- \\- . V "I \ \ . I I � / - 0 - x ---, \ ,,, - . . 1�c�, -. - � � \\\\\ , \\\ \ I I 1 / I I / / - VESCH 3.38 . ---_ - Y OT STD EW- WITH , / /' / z �� I \ .. . . . . ,,, \ \ \ \ \ \ \\\ 1 1 1 1 11 I \ " �,� - - CULVERT INLET PROTECTION OUTLET PROTECTION PER VESCH 3.18 % / / , 'ST2 , \ I )I i I I C-1 CLASS 1 RIPRAP / / /--, "-� VDOT STD EW-2 WITH \ \\-, �/ ,� -�, I �. , . , \ I I I I I \ (a & 1- - - 6.1?0 11=9'; W2=10.0'; L =85'; D =2.5' / I/ / / EC-1 CLASS 1 RIPRA - x �� \ \ I I I I 96IN CULVERT INLET PROTECTION PER VESCH --,- -- ,'--�- - I . . I . ,--'\ , \\ \ \ \ \ \\1 - � , --- CHECK DAMS 3.08 1 z I/ / - ,-�- � �-� � / , \ I \ � I I I / 0 I- -10 �- - - - - --- 1-1 z / Wl=6'; W2=20'; L=18'; D=2.5' \--�,�� / .1 I" I . \ \ \1\ \ \\ \\\\ ) / I I I I � I I I "-� ✓ > I -- -- -1 �, 4 --\ \ I I \ , \ \ \ \ \ \ , � � / , @ ROCK CHECK DAMS PER VESCH 3.20 --.I- - - z /I /I I/ PLUNGE I \ �� \ I \\\\ I I I I i I / / / / - � , - 1. , 1� I/ .. j , -, '!'!i-Ej-"s . 1--� I \ / / SOILS LINE .-I -- / "I 1� - - - \ \ \ , \\ \ \ \ \ '\,- / I I I I I � I i / SOIL STABILIZATION MATTING VESCH 3.36 -- , '- -VDOT STD EW-1 W17H I --/ POOL I \ \ \\ ,� \\ \\ , \ \ \ I \ � / 1, / / / I,--- ---------- DRAINAGE WAY (9 - -� C-1 CLASS 1 RIPRAP . F 1\ \ \/4pwl'�I' \ \ \---� ) ) I I I . I \ � � / I / \ / I I / // 11 PERMANENT SEEDING PER VESCH 3.32 30 CMP RISER 0 629 ,� �.� \ W1=3.8% W2=10.0'; I- ?�00 . " " . * ,'.j.'.'j.'.' �. *.'.'. I - \ \ \ \ \ \ � , ; I f / 1-1 FILTREXX DIVERSION jr-Zl - --- __�= 5 8% D = 2.5' . 18" CMP BARREL .1 . . . . . . . . . . . . . . . . . . ... ��� . . . . . . . . . . . . . . . . . . . . . . . ..... I \ I KAV �,,,,: \\ \ , \ \�,- - i � I / / I I I / 8 • I-- - ---- - � � --1 .\� .... I *........1 1'� / \ N, 1---� �- .\�'\ " I ,\ � I / / I 1j\ . ) / / / \ / --- -- - -� . PROPnErf'�Iff.'-y L=49'; S=1.0% X. � ....... * ..... I . .,.,./,I / , � / . . I . � . \ P\H X-��\\ �k \ \ \ \'\ , \-- I I I I I I I / 1. / \ / I I --- .......... ROTECTION FEM11 ... INV IN. 623.0; INV OUT. 622.5 '.\.'�'.'I*.'..'.�.,.,U..I ... . *.'.I.' 1 . I . . .N '0.6\7\ACR \ \ \ ,\� I I / 1 1 1 1 I I / / / --- - - � ---� . 0 ......... I . . . �'. I ..... � ...... I 1. . I/ I I � , I \ - - - I I I I I / / \ .... :;:-C-�--� , -.-- I I - I I I I I / X11 - , , '''' .. ...... cl�� --- �-� - ..... .- . � (TY .) ....... ....�'.'.'1-...-.\.- -:.I-:-:-C , :-:�.."d. . I /\ � � � . , \�-o q -,V�J.,\4\�'\ \ \ \ "I f I I I t I I I I � / i / I / 11 I . ..... . ..... I ..... - - - " .. ..... . - ......... � ....... ..... I .... " . .. I .. . . I . I . �Tc- \ , _ / I I I / I I / i / / z ....... Z--�- - -C-� .................... . . . . . . . . . . .... I .'.'I -:-A.. I ........ . . � . I I / I / 0 . ...\�\ .... ) ..... ......... - I . ...... I .1- ........ ...... ...... \' ... I...."� -� � . . . . ) . ... \\ It I ... I . '�.,.,. . '.'.... , . . - . � . . - . . VDOT STD EW-1 WITH-.-.-. 10 . , .. \ . I . , i -- I I . I \ \ \ \ \ \\\\\ \ I / / I I I / I v I / /I ..... . . . Nk I I / , 1. . 'I ..... \ ....... ...... ... I .... I . ... I -1 CLASS 1 RIPRAP - 10 ,�:-:.:-�.:-Y-:)-:-�.�. . \ I " . . \\ \ \\ \ / 1 1 1 , I / I L V...I.......,...... ... EC , . . �- � I � ,/ / I / / . .....: � I .... �-' �� ... ... ... I ..... I . . . . I I . I . I --- \ , \ \ \ \ ,\ \ / / / I 1 ) / / / 1\ / / / � � I .......�-.).-.-j-.-.-.-. V. - .-��W`1=3.75'; W2=14.25': L=82'- D=-2- '\ *. I X , , I/ I i u ..... 1,;, .. .... 1. - ... I.. I. \ \ \ / I U) . ................M.:.. ... ........ *.,.-. - --- , - � .�,��:� .,.*. � / - ............. , . I . - I \ \ uj . ... -.--. - - - -�- .,�::.r�.� ........ * ...... " �. ) V .I. - - , � I \ / / '\ ! / / / /, / / 11 / '..' E. - - ........ F EW-1 WITH -...'....,..�..... , - 'I -5- -I W - -- C �:�� .I: . t ......... I . \ \ \ \\' I I I / // in PLUNGE ..... * . . I . I I \�R ' 09-ED TREE / V. . . .............. I. I. ���-'-.111'L 10 E STALLED ON .Z��.. . � � . . . \ \\ I ,:.r-.EC-1 CLASS 1 RIPRAP .'.��. '1717.'.'.'.,��. - - - --� 'j.,. -.1 11.1. I -- � \ I ROTECTION FEN - I / . \1 J/ / I z � .-.-� . <... -: �' INSPECTOR APPROVES ,,..-- .1.'.'.' ✓ 1. \ \ \ \ I / / / / ........... _:- � -�� �-,��.��- - � .. � �. I I .\1 \ \ \ , \\ \ � I YH, , / / / / 0 7?9�1�:�:::::: W2=105'- L=100'-D=2.5 .. .. ... ............ *" - "� --/ I / / " x � . .. .I.. . . . � ...... ) . - . . - - - ............ � -� . ..SITE.IS.S-TAE , -1 ,\ ,.�I �I 1 .\ . . - \ ) / I I / . )" --4, �( ..... I - , ''I � LO \ ... . . . . ... . - ...... � ........ . - ... �.. ._v . / I . - .. .. I / > ,, . ... \. , '� �.�': �: ... : .: -'/- � .:�.':�7�.\�: .'.'. .......... r--,( . . . 1 ..................... .. -��.�./'7 �,�--.-�-. ��--. .. . . :� ..... 1-� ..... ... . � ... I � \ \ I \ \ \ \11 ,`�� ) , / / " / ,/ / / � I / Lu ....... - .", - - . ... . I ..................... .. ... , m.. ;11 . �'. � I, I \ \ \ ,\ /PROPOSED SILT FENCE / , .�. I . A .................. � ............ .... �� � .. �.... -- -, � 1. I � : \ / .... .\ ..... �.. ,� .................. ' : - r , I .\ - \. . V \*1 I / / EX-1 , , , , , * . . ................... STONE �- - U NU 11 -� �, /\I �� I -,z, -� \ \ \ , - 7W/WIRE BACKING . . .., I .....�.. i--��--�-- - - �00�'f6` E I r. 1. � . �\ - "I , 19 / ........ .... R, ... � . \ / . I .'. . i. . ..\...\ ".'.".'. .'. *. �......... �... ..... SEDIMENT TRAP STONE WEf' - -1 -1 \-,:�� .. �\ \ \ \ , / i I / ! TYP / ) / I , ........ . - D=2' '' -� INSPECTOR APPROVES AN - -- -- � � � , V \. \ / i.-...1-...-.-\ ... . .W=18 L=30' � .. - �- \ . \ -,, / / / / . ...... . . , - ,;,' - - - - - - - ;-,-� -� I SIT IS ApILIZED ,,,� - I- \ . \ I I \ \ F , , DIVERS ON BERM I N , \.'.'.* *.'.'. .'.'.. . .... I........... . . �'..-�. ... . � ....... .,.�. I _ST , I I -- I \ � ,\' , .\ / \ ., .. . . � 11 , - -� - . >.�,�-�- I < -- \ . �� 11 -/ ,- 1� ... I .... ..... �- I- -1 N � . -, � .----- , / / I A . � ... � ��-- - - / �- -f5� 11 - - -�- -- 1--� I -\ \ ,�-- / / / / / \/ i i '-'� PROPOSED SILT FENCE �- . . � - , -- N \ \ ♦ / Z ( / . . 45D.SF , -�- - ' ---- -� . . - \ , \ \11, /' /I / I � .11 - W_ /WIRE -BACKING (TYP.)� - -- -- � /SSA . �, . .� ---_ - � 1P , \ \ \ \\ ----6 3-,C�,- "'� / Z/ / ,0 N �, � -- 1�1 . . . ,�, \\ I/ ST -LL INTO TRAP - ' . I � -,� . . . I 11 , - - `1 \ I \ \ \ - - - - - - -�Izl 1-�' I I - STONE OdTFA I -� " . . i�5 `1 --, -- - , - N I i . . 1, .00'w* . "e ,. �l I I --�- . . . I . - - - - - I I , - 76'Wx5'Lx2'D (TYP.) � . t, . - --- � -- - ---, ✓ I ..� IENSURE I - - - - - - - \ - . I ,- -- , I 7 ....... �- , CONTRA OR TO � ) - ... 11 . � \ . � �, -- / " . - �1�1 - . . � "I - � . 1�1 �7 ---- 1--� 11 11 z I -_ - --- . --�- SS F. - � .. . . . I "'N .� / / /' F I , , - � \ �-'- � - . \ , I� ,� ........... . �� . - - I I , �- POSITIVE DRAINAGE .. . - � , . � . � I / ,- I .11 I . I- F . � I ,� C-- - � . I " / � I -11 ALONG DIVERSION ��� I 1�- . , -�, �, . )` . . � . \. 1� '\ . . . -- - " 11� I 1� I "I . . . .l., � . . . I . . .1 . . - - - - -� -� �- -- I ✓ * , . . . I . � --�-. " , � I . . i * I . I . \� --- - - -- \ - 11 r �- '.) L--rj I E�T . � - �' . I - - . \ , . . , � �,,�- -� , 1,1-4( , . >-11' � , r. . I -1 . . . - -, � -, , ,%..P. 23 1 � �/ . . I \ *. . I., I . - - \ ,-- - I ,,, � 11 . . - - - -- -1 I i I I I - -',�- ,001 . ✓ I - -� %/ I . . . . /1. . . �. , I.. �,� ----- - �-- -I- I \ -- , � -- - . 11 - . I . - --gMEW, I I . . I . -- � -- �- - I . . -1 , . . .. , . . �- . - . . NENT. / / \ - I �� ,�, - ./ tt\f-\ . �, "� � ROP :��Ly �,4�:- DIVERSION BER I- - ��-���, / / ,.�`c .. I I .. I I r- �77011' 1-< . � ','�� . I . .- � -- . . " -- t-,�,���-,.m5"ED I . . &�. I I E'A . . 11 . � - - 2�-� . , / /I -\. / , � . I . . , \1 U) - - I . ?E 1;1 I �� 11 - I il. -� . , . -�-, 'SE ji- (b- - - 11. ;\ � - . . --� - J4 � . . �- �- -I- .. � . 11 I . I �� I . P, - .A . -- ,aW=O 45�. .--. . . - - - df\ z !�E I � . , . . � �- ,�-. . . � ... I � ..z .. - / "I �- - I . I . � . L=140; S=0.86 . . � . . . -�- `4.ob--�-Ac RE5,`----7-/ ---� / --- ---� , - 1-� - . . . . , . I . . 1 24"' TEMP PIPE TO BASIN #1 I / - - ,-� . I-,- - I . C It,-)- 1-� .1 I � . I . � � . . � - * ' . . .. . - - - �. :. --- I - - . � I I \ \)"i \ �X ,- -1 " ---- ,-- 0 STS / 1 11 . 1 7� . . INV IN. 630.7; INV OUT. 629.5 . . .-� - -I /_. --C��--015�--z ----/ -, - . . . I,e A- z , ----- - -- �� .. .. . . * - - .� . - ,�� . �, . � . .,I � -1i � . --- - ' z - / - I . -- -- - � - - " I I I I I "I "I'll --� ---- ---- � P=4 I I . . � . . I I . - --- -- . ....... � -- I . .... . . . . . -- � � 11 .- --- . 1� --- ------ I . . 1 4./ - ./ . / �- - ,�-- I- I- / -� .... I - - . I . . . . . . . ----� � . . . . . � , . /. , . , . . v .-- I -- /'-- -- - ,-- 11 -77 ......... -- I I ,� ,-- -1 .- ----- �.. - .. 1. I --� . .., .. ., - '. INly I.- / � .. .1 ....... I ....... - . . . . . . -1. . . ---r I ,- ---- , -------- ,- - - - - - . - ::�=� �- - ... I -> �-// :-�--. t . I .. . . I- � . - � ................ ��.. - .�.:-. ,'.. .4 - . I � . . . ii&\. . ., � , . � . ,� . , . , , I/ --' I / � - � �- -� � -- -- � -- 1� I --I , ---- / / / - *, -- ----- 1-� .1 , -- -- -- 1� Y.. ....'' I.. .. . . -�- -, '''' , . .... ..... . --1 / 11-41 " " X / - -5� � -- --1 - I - - -.- 'S - �< / / / -- . .. -- .. . . - ..: ........... . ... 1 . . . .. .\ . (E)-\ .11 L - . ... ., ".. .. .1 . / -- ,/ ...'.. I I . !9� I *�- ----- ./ z � ...� - , * \ ,�� / // / / / / I 1� --- - - ---- / .. .. - I I ✓ - . . - �\ . �- - / , /1 / " / - - 0 . 1 .5� -<�. . /. . / / I / / I z --- --- ---- 14 -1 ... I., I., � � - \- - 'i .... / // / z �- I., -----� ., \ . . ./. / 1-111qll.,��- I -I-- .., .- , , . , I , - �, .- - - C - - ---- / I - - .. ... ..- - ..... I . . . . / *," , , , 11 �- \--- --- ---- il. r -. ..0 �. - I � . \ �� .... /� 1/� ./ . / I I /I " " / I / I "� / , / � - - - , - - -j ,ssp�,, �' ... '1`1 - I I 11 " - - - !--�, 0 3?-�� � - � , --� - >-,--, -- - --- -- -- , , � �- -�---- H Z � - - SSF, a -- -/ __,;;1107 '0 I " 0 ) ' � \ - / - / ,/ -�� , �( R. COLLINS 'Z, .�\\ P\ -\ (0 SCOTT R COLLY�N,-� I � - 1-0 �, 'I" .1 - --, -�- - - �- I C .. I. . -- / I //// /- / , _:� V) - . / I .;,,, - - ----.. z x \ - , -�t // ,/// 11 / ,- - �- \ - --- 1, , I r--- -� > I el Z \ I z 4pop, wop:r� `\ --\ . , I . / / , / / %,J% / , // / , �, Lu I 0000 � .. - I . .. / / / / / z �, �- �, - -\-, -'\ C� III \\ \.\ 0��,�- PROPOSED/ LIMITS ,Z ,�, 0000'1-) ��,u _---� . . I 11 11 . . � . . . / / I / / / / // / / x 11 '1.;�e --- ---- --\ --\ � F DISTURBANCE I . --- - - -� \ I ----/, I / /. . / / // // I/ -- - - ,,- ----- ------- '\1 1\ , .), �" z / , - i I! / / ,/ I , // I /I,v/ -�/- ,- , �--- \ -� --�-- ) \ 37.56 AC. - - \ \ . ---/I- - . 1/y � . � ... J� I . � '. I , I 1� /- // I x , � - 6- eo - - - �, Z I / � \ 1\ / . )/ , - - !�- / // 1 1 I/ /// / .1 -- - k - � z I- \ -- - � . . . . � i , . . . . / � � I \ , , 1, I 11 -1 \ 1 6 / / - --r - - - \ \ ( 1� I / \ I . . 1-1�-'- - j I / , 1 l i I I I � {/I / z 11 - A 11 - - . 11 / / . . . , Qf - �� � - - I -- � -�, / I / / I ---- . . � . . . . I . . / '/ . / . . / , I ... : ,� I . . / / ,,00� / . I I I I / I - - �, - - � - �- - - -- \ \ \NN-- I / / \ � /..... � .I � . ../ /. I- ... , /I --� ro , / . . .... I � I ,it'll /���', - - \l- - - - , -- / / z ,- 1� \ q -- I I // /// \ I ... I . / . . .. / �- --/ 11 /' . . . - I I J, � 1, I f I / I I I I I / /,11 , -- -1 \ - \ sop \--- I � I . . / - I , -I.-, ... / . � � . I 11 I '. I I 1 ( ,- \��, - \ \ , I . � "I 11 / --_ .. .. 11 .1. . I/ -7,-,l / .,. A,, -, .. � / / I I , III I 11 i / \ \ \ *� -- I ----- 10--� -x \ . . I I--- I-, / / - 650 - , 4 . . . I / /,-/-/. -- x ". \\ I-, - , - . / /.---I--- / / I I I � I I I I \ .1 I � ( I -\ \ - 4 � I - - /11, --� --- / . I I � ... / - , � . / � / . \ 11 "I I I - I � I I I t 'I I j, \ \ I I f I . ...... - � --- --;�` I- I �'ip \�TKAM �U FFE� -�-\ 1010 � ---- , . . /. . . / , 6 -\ \ \\ I f \ I --On= 1; � I �1- - --� --- I -A 11� �'- // -------/ '�/ - - - - l - j/. �11/,. � I /. .. / I � I I III I� � I I � \ � ,I \ '\\, \ I � , 07\:-��-:�. \ \ N-� � . \ III, \ \ I - -�. .... , �, k,� 1000, -- R\ ��-� -----�,-��----/.. I ... I I . . - -, 1, \ f, L-,-- i, . \ , ", I, I \\� �\\ � I I I �� ... I, -,11 - X / / - . I. / / A \I- I I'�'\ \\ \ \ \ \ ,W\\X� x I . .\.... . U15 � �- -- � A ---- / -� - . v. . - - / I . , I " , I / . , / I --- .1 � . I \ \ �\ \ ,\ \,. I, \ I \ I \ 'I " I * . 'N* , . , . - "I '1� � \ up - - ---a ----' , ... ..... . � . I 1. - /I \ I \ \. --,.,. . . I . 1. . \ \ \ I I I \ I \ -- L �' , � � . . � . j \ I'll \ ./ ....... I I - - - - - � \ \ \ \ ��, 11 ---- - . . . .,.,\, 1-1 � - - . . I . . . . . . . �. . , L I / \\ . I. , � I � I \ , \ � I I I 1� '11, --------- ,- ... 1, * � .� .I -I - \ \ � 11 I - � � � � � `�%'� � � \ \ I " V � I ....... /. � . * --I, I .-�� ..... .... 1. . � I I I \ I, \ I I I I 7-.1 "I 1\ \ � --�, , , . � . I .... � . .1, - A -A- - �-- -� , "I 'I-, - ,z /-, .. �. . I . 11 - I � � . . I . I I I SED TREE ' � \ "I ) � I I ---�, I I I I\%.j I I-\, I ION FENCING " I A-- - - I.— - -rV �� \.\ 1:!�-,I- w \ 1� \ \ 1 .�,� 1 ROP0 . -:�: � 1::::�:::::1, \ I ..... I/ - , - I I I/ \,-- ,� - .\\. - � � , � ......... 1. I. " \ I U-/13 I (TYP.� . \ , - .� DIM . . \ / \ �, - ,SEI � . . \� -,z / I \ I \ I \� . �-� � � � � - I , - I �� I I . . . � I I I I I I I I \ �� I � \\ \ \ \\ \ \ \ \ . �l II I 11 11 I - -TRAP 7 / / \. - I- - I -.,,, \ 11 _ N I / � ---- / -//.. , ��. .1.111 /--- 1. , i I I , I � . I- � ) �,j I - --�p - -- 11 1� !\ , PH I I / . / 1 ; q. � . . � \ . ; / . •1. I I � I � ,�'\ I \ I \ \ \ I � i � Ii I '\. - , / . . .11 \\ 1. ,� I I / , � - . .� , , , - . . . . . .. .. ' ' / / ' )SL�E '�VE CLEAR I IN( SSARY ..\. \ � / / 1\ - --------- \1 - �iP---/ I/ / - \ \ , . � E-S/ . : -� I . I I .. . . / - � � \kv I 1P � . /./, I . \ I ,I I . I \ __----- \ /I'-D 11 \ 1 .4 ' '. `. / I TO BE ALLOWEDBETWEEN TREE PROTECTION t. - -- . \ / // I- - \ -- -- . . -1 1. * ,./ � _ �. / , . . 1. . /.I I .1 / , , � // . � I j I & LIMITS OF DIS�T,U�RANCE. ./ - I I/ " �/ \ .,, . . Tc,=.l .1 , m- in; �. ,/ -/ . I 11 I 11�1- \ /I "I ,-,/ � 11� / �' I/ I I � I � . I ....... � 11 �, / ..... � z * , . / ---- ... ... �, I / I I I I .�.:1.............I. `v- \ \ \ / // \\\ " . . � � . .Z� * , '�' z �� .�' .7. i .... / . / I 1 1 � I � I I I � I I �. -.�'. \ \ (3) \ / / / � \ \ L. - �.' . '' -, / � - / . . ',�......�. I I - � �11\\ I 11 I I I I I . I ......... I\. '\.\�. / I /- \ . . z ... .. / / 11 ......... I1 ...... .,I- I I 1111 ..; --\ \ / . , 1 1 1 . I .. .\ \ \ / / .... 11/� . . / - - , , t' - / .�-� I . I I., . . , , , . , , ./ / " / / .�,�- \ . -� I --z- . � I I I I I e- . / , . I / / .1, , i .... \ / - \ � \ " \ . . � ... / --I / / I I --�� -. '. . I . -1 . . . . . I I I I I 'I I I I , I.1-...�/ . \ \ \ / e- -.-., - , A - \ \ 1\ \\ . . . . _-I-- / , . . . \ I/ ::�V- - �.-* .... /. . 1. . 1. I I I I V I... , '' , , , , , * , , W \ / V I / V7 F , I I I I I I .-./.-...-.-.-.-.-..�-... \ \ __--- / \ \ . - -�- ,,- / / / p -1 - -, - - . . / . . ." - - -I I I I I ........... � . . -- I/ / . .. . . . . . . - . . . , � -11 . I- I . / / /. . I..%.. .1 I I I I . . 1. .1 ........ 1. �. . --� / -- * � , Z. � � I..... / . . I /� j, - \ \ \ I -- - , j, / I ---? , - / - ./ I . . . � (- I .. I 1 I I , I I I I -4-'.'..-..*.'-'-/.'�1'. --- /' , . . ; . �, I I I : I . .... . __----� N \ \ x z �, -� / , � / . / . /. . \ , \ . . . / - - - / � , /. ./ I I........... . , , \ \ I � /. ./I * 1/1 11--�, . / I . /..1, \ \ I /' I A I I I 1 1 '.I.'.'.'.'.,.,/ - - 0 11 --�./ ... . , / ..... \. A., \ -� . I---- - \ \ \ -�. -�-- I, . /'. . . / .... 11 .. �� � � � I/ . / . . . .`�`.//� �/ / ) . . ..I. \ \ ... � . -\ � . * / . . [ /. / . , . . \-, \ z . Po / ..... � . I - I j . � j 4 / / j I I I I , ; I, ; 1, I ,1�� . � .. ......... /."".' I I • \ \ . x ,/ J* . �� .. \ I / . ./. I . I � . /. . ) ----A � / J. /.'. .,.,* <-- \ ��- - / , I / I , / k \ ----\�\ , \ \ . . ,--"., � I i . I', -1-i' . . . - \ . ... ..... ... � I I / I -'-'-'-/-*-*-'. *.' �..i , ....( - . . .. . - . .. �. . . .... . . / I . \ \\ \ \ x --P-�- �,, 7 / I I I I '.j'.'.'.'j_'.''. \ \ .,-- / .... /. /�, / /// I- - \ \ \ I 11 I / i / / / ' -,4// 1 I I I , -� \ \ 1 T/ /. ./ /� \ . / / � I I I -.-J-.-.-.-.- , - -- - - -�. - - . ,� � I /I . - I - / f / I I I I I I I - - (P \\ . . . . / �-/ - , \ \ \ - � . I , - , . .�x / . � L�l -,� . . . I I - /--7- .1 - I . .. - .\ . . . \ . . . �b . . . /' , - / . ....... \�,, - - - 11 A � ,-,;' / / /1. .I/ j ----, � . I I , I . I . � A \ - I . � \ \ . . 11 .. ;1 � � . . I . . f �,`. - \ \ \ \ A /� / � ./ ,/ ./ - /Ij) I I I I I I � O..........) Ar -/ [ � / I I ... *.V., 9+50 10+00 10+50 11+00 11+50 -j 0 -j I , I \ I / I.- .,/, , .. / .11 \ .11 - . . � . . / . . . . /. 1/7. /1. ., .I I I I , I I I .\..... \ I , A�- �, /--/ -/ � I � -I--, I .\ '; 4M -j I - � .1 ... ... 1. ... . I �-- .-,- --- , \ I I -� . ,,� . / , I - - - . , L / , / ! ... /, . . . *1 A I I \1 I I I I I .", .. -, I /V, �/ .. / . ./I. ... / ... X... . . I I I I � I \ `\" '' -,' WPO AMENDMENT STORM SEWER CHANGES: � .1 , �/ I . I I . I. � I/ - - � I - '.'.I , - ,V;. /I .. I.. ... . I I- , . I i I I I I I .... 11� -� ---- . .. . . / .. I/.. , , , , . .. . -. . / -ALIGNMENT & LENGTH OF STORM PIPE 1A ADJUSTED, BUT THE SLOPE REMAINS THE SAME mmmm . ,�)/ � "I . . ,/. . . .". 4 1 1 1 I I - - -- /, - - .. - �v ..... . . . . . . -� ..... , (P \ - - .� v /.� .� / /, ." . . . .*.,.I U) ------ \ - V I / . - . - / / - / / I / , / I . . �-\ -- - ��- z z I I 1 1 1 1 1 I I I I I """ -RIM OF STRUCTURE 1 B ADJUSTED WITH UPDATED GRADING. F--q 0 13zF0- - , .7.. . - ��- , - , . � - 11 A /I -- �, I .r ,,, '7f 1, 1, I I i ..*-!- ___------, \1`1 . . ./ I - T / -- \ I P, j I I -- - - .,-.,. - /. / . I ,., I - I/ - -- -- -N --- / Z / / / ! � / I I I I I , I. , \ ,� , �- -,\ - - - - - - i- - u.j �- , , � --- I , I / - , --� I .Y...l.d........I.,11. ..\.�, , " A,� " / "I \ 1-1 �t() - - - 1� L 11 ... / I . . j- / / -- . . ..... -1 /I . . ! I I I I I I I I I * I . ., . I I L9 1� - .- / / / � �� ----i � . � ... ......./. .. / . I I I I I It i .I- � \ \.'.'.* \ \ '\ \ ,� " 1� - - -� \ -- - 0 U) z - V ,,/ / ... , . I �. ... ... 11 - / - I \. .. .. v. -. - - \ 11� � , ,/ --, -- - � . ---� . � . I I ��::-....;........I .... / \ - - - - , I I , I A . ..... � - of < . / - . - vl .... * Al / l \.. '\ 1\ \\ / /\ \, -- ---A 0 SELECTIVE CLEARING AS NECCESSARY TO BE ALLOWED - -- -- "/ / �� � 7 ........ / , , I , I i'l , I \ N ... \. 1\ "I A - I - (P PROTECTION & LIMITS OF DISTURBANCE -- ,- I " / / ----/ . . i � ./. \ --:, - - - .\-�. .�, / , , "I � X .. \ 1�1 '�-, - -/ I \ \ \ -- - - < 2: U \ 11 , 11 I , . ./ ....... / .. - \. . . . ". � . . / I I JI ! 10 1 \ ... "I --,� X/1\ - z 11 .. 1� . . , . / .. ". . . 1� .. . � - / i / I I / - I I \.... . 11� -\- -A --- / \ - �:� - - 1: a- 1� -� I 1-� i � / I / - � � . I ... /� I . .1 � J/ I I . I . . .\. 1\ - r,-/ 0 - ,:-� - - 1--� ,- . . . I - / ,-,:� . .\.......\.....-. -, PROPOSED VDOT EW-1 - - - A C) I— �, -1,'. " . '/ / , 1'�/ �' � . /. . - ... . . .-� . . . . . . .1 . . . �6 1 !.� I .. ... .. -1 -1 CLASS 11 RIRRAP - --- - ---- - - , , * , , . ..\ ... \ ----- I/ /. . � . . , . C). 11 I / - , . / 0)1 / / ... �, ITH EC - - --- - . . . -�� ,/. . . . 4 . ,!. � 1P - .,/.. . ."'. .. " ... I .- . � //.-" - . .1 ��/ /, / , '- \W1 =4.5; W2=185'- L=17'; D=3.6' --- ---- - - I 11\ --_ � , - I /1 . .1 ... i . . /' /I / - - I -, , /. � I I - -- -- - w I Lij -- -- ... /'. .... / . . . . . -.11. 11� . I / -1 -- -- -- \/\ '----- -, - - -_--- �--- - - - - - - - - �- �.--�,�./. -\�- \ --- -- - --- --- �e -j "I � �, - '.� - � I I ... I I . .. . � �t"F :iii `:r \.- .. �\ - - - - - (P - ,- I / I',' 1 .,7W - -- - -- -- - -� , w - - 1� ....... . I "I 1;"-,-"* � \ �-- � --- • '- PROPOSED - . / . . , . / . 4 , j - - � . .1 . I � \ - \ -- -- , - - I = 0 � - PROPOSED LIMITS- � . 11 -... , "I'll "I I I I-- �%- ,.- I 1. .. . . . . \. I ., - ---� I � �, - � - -- - /. I . . . / Jr J . I . / � . / . . I . . . . ... ... 1. H. ... -- 11 11 -17� � "o-1 I . . . I - - - �-,60 �- � I OF DISTURBANCE.- . 1�� I I I I. . ... 'I\. - : -,. N -- � M .- / / 1-11 \1 ,Kzl� -101 I x ---- --- � -- - ::) uj LU = . . . , . . . / . ., , ... . . \ - ') L- . I -- --� `-, ---- , � � -- � -1 � ?7.56 AC I Z. � ./� , / / ... . . -,--- --7- 7 / / -�-� 0/" , -- - -- U) syo C/) . - ---7- --`��`!� -- � - - I /, I . - - - "-\- �- ,- -� -- `\ � �6.t� ."- . 14 1 i 1. . . .1 . ,\ / ... %, / /I / j . ( , \.` \ -- �, �- --- I . . � ./ , T . .\ ..... I- -1 1� - . I--- - .11 - � , I . `�r,� � , // / I �1 , . \' ... - �- 11 -� � 1/1 - - ---�-- BASIN - I/ ,---\ w -j i ?,- / / ---- , . -- �, 11 (JD - � � . / I . . . . . . . / /, I . / �\) .... � - - - . . . . . � I //. ---Pk,�-sbi1,/-. /. / / / , ;/ , . . �, - - - �/ i�z.,) - ., I / . . � � . . . �z , I . \ .�. , I -/ . --- , z 11 � ./ , , . �, � . / � . � I - - - Z.` . . ;5 / / // / // / / //?, . . . ..."'.. � -�" "WARNING: FENCE - �, -- -, -1 ---- -, 0� (1) 0 1 - - I . ... ./I, . , . ., �1 4z� / / ♦ , � - It . � / - .. . � � 1 , � , � I-'. . I . ./. / / / " / - . . - -- �, UJ ) ., �, � - - --- - - - / . . . . � . I / . C w -L:�- 0 5. /, / / '11� . , NSTALL SIGNS SAF -- ---- �-� � . ./. . . . .t . . . i - - -��,< I . / ,/ / , .,�. ' . -- �- -,-� - I '1� � /. 1, , / 1, , , , /,' , -QUICK SAND, KEEP OUT _ --,� -� vi U) / � \ . - "I / / I ,� , -1 .--- - . 1. . . � � � � I I " I- I . � -1 ... , Q� , . I � I X. • ... 1. �� ... . __-e � I I � � � - I SIDEWALK, AND "� .... � ... I . . � 1. 1/1 11, - v "'§ � / I / // . '�.";.,... \ --e - - -Ne - 0--'-�L- e ----- - - , I , , , � 1�1 - >< I./ ... � . ..... . . ..... z ,- - Sediment Trap 7 design : UL-DE-SAC - � :3 . � . ./) I- 77. 1 1 P'1 In/ Fv / ", ....... lt�� �� � � - I I I � I 1- 1- , X , - - '** / I �11 , - I 1.11-11111-11 I'll 111 '11'1'1'��L,L�����',��"�.11,11,�1,1"-iLLI' --��'����"'"��'�l�L-�ILLIIL'I",11,,'I�" I � � AIII-- ./, ./ - �, / .... Q-� --E�- j �- 0 1 � I � � 1�� . . . . "PS I ,.,/ . / I /,/ . I -- � , - 1-1 - - ' ` 1 11-11 � - , � - .. ...... "' . .......... .... � ; L ... . 111-- _SAN - SEWER,, / I -, * * I L� I .1 .... / . I / 1��&�- 41 - . .... �.. . �� I � I v I YAX-Lj� I - , I- . I I �- . . . . . . . X z < I / . / I / X // - I ... . . . . . . . . ✓ . . . . . . . .. . 11 �, w . I� I --� �� j . .1. .1 . . I ... x�<,- //z " " .... L 1� 0�- ' drainage area (acre _(<'3),i- . .. .... �"�'�-�L�'�"'I'�l,"�1-11,111,11-��L,� ... .......... . -.2�.'01'[ ........ .. . .... . - -T-----] . . .... .... \ \1 i � 11 :1 .\ .......... ... . ... drainage . . ......... . . I ... 11---l- ... L . .... . . -s)11 � � - I . .... !- i ,\,,. 1� 11 1�1 - ,,, - - .11, I OR4NAL I ----PROPOS * "'WOODEN * BA FLE � I I (mE-sT or stoNEWEIR i // - ... � , �, w ui i � � WJ44ME ' ' WEIR . . . . I . . - � - � I ,v z ... 11 -, 1. I � - . 1 ..... ,� - - - 11 . .... . .... .... .0 I r, AGGREGATE ,>- z -,,-,- ... j - trapvolumes:1 - ! ORWND i . �-] AT ELEV. 5.,5.0 ,� --, 1 � ...... I 1. I .) - .I. I I' . I I ....... � /zz -,- -�, I 1z . ... V, - z ,/� evation (ft) � area (sf) � I ELM - ... I . -- . . -- I - i � ""� I I Ar � � " - - ''I ... .:::�:�::::::�::: .., � el . ,/ / X/11// wi ry 1-1-1111 I -1'1 �'vo� 4 cy�)]11111111111. r .1 -1-1. - / / �- - " X -X, ----� .......... � I ' - 0.0 i NN L= 1 8% W= 1 7.3'- D - 2' '- �, .,.-. ." �.; " . � 11 ..... � � .� I - � I I - -----� -- 1� . 568.00 354.0 . , I ... � - -- . . 'Iz�� ........ I-,' 11 < '1-11 --- -1-1- .............. ........ ........... . , . - I-- ,,�, I - . .. / I ....... , . -�- , F,,�,Iy \ �� V,..,;I,,,� I'll �, C)','- ,----, .;",-- 1 7.:�.*;...; "I . � ..... ................... ... . * ..... .. i � DRYSTORAGE 1� - - - -, . " , PROPOSED 30" CL. III RCP RISER � 1 725.0� 39�2 10 �, . I ...... (D 570,001 '_1 - 1-1 ---"'--"'-I"'-'-'�--,--,�,�- -- .. ..... ..... '--- .- '� ...... . I � I ..... "I . .". - �, -�-' , - .... ;11 I * I RIM=555.00 � - - 11- . - - - I - 0 / , I , �Z,- . A---:. �1. \ I 1 �, 11 .---- . - I /// � - "� 11 ...... ��'.��r���."72,.,G,O1,227,.,O 111110'.61111 A - PROPOSED SILT FENCE �, ,--o� �,- , , 1, q, :.:.:.:�:.:.:.. I- 0 -1--- -, � ..... - 11 ...... -,-- - -,- - - - - . ''' I ........ - I . . . . / 0 � L �574,00� 1851.0� 223.81 E)W/WIRE BACKING (TYP.) , .. . / / -�7 7, 7 - - I 0 I --_ -- - �, , 7 /.�/--�-W- ---7----r---T-1---7-, N �- - 111 --- WEr STORAGE - I-- �, - � / - , 7 I I vMM 7 ...... .... . .. - - - - - - - - i PROPOSED 24 CL. Ill RCP BARREL / - i . - I i 575.00] 2202.0 298.81 (OW-VATEQ) � - - - I --- ✓ I,- - w , -� ..1z I � .... - /_-- - / / / -.4- - -1-1- ---- � --- ��-.-.,.�.�,�.,��������.�"-..--,.�,�--l'.�,�,c�,���,��.,���-��'ll,� - -1..1- F#LTM VLOTH ORIOkAL - ...... � ...... -- - I- -- . .-..,.,; I-- / I � .. ,���������-"�-�-��,�--�- � GROutto . 5-��, - --- ::-z--_ i 71 - .-.�,Cc�-Z,.,� - ..- ,80 LF @ S=0.5 % - - / / -i- -, -- �- -, - I � - m- � �, : 576.001 2579.0 387.31 - - - - - I --- " -- I... ....��, ...... -- I I / ./. - ,-) I/ / / --�- , .. . ...... 1'r -Ir , "I 1- I-- .. . ... - I � I nxv� - --- - � � - - - . �>.. . `� . Nx�:-:-:-:-�-,:. --,) I I - - - Z7 ---- . I .,.., -- / / " / I - - � �� / --- / ,.,- uj vvet story 9....:.. e: : � � i - I - - I . . , � .... � , '-- / , / / --- , , - / / ,- �, I i 11 ... �J r I -TE - . . f - . / / 11 � ........... " -SIX PLATE 3.1.5�-`[ - '. I.,. . 1, - ;,� - �, . . "I .111 I - � �111111 - I I 11 11 - - 111- 1�11 I 11 I ' 11 11I.- L", COARSE A0GRECA CLASS 1, RFRAP -- - ... .... . . . . . . . . . . . . . . . . . . .... . .. -- / / --� � I , / , , - � � -/- - 1)'-�- \�'�.. �. ,� � �', ` . . ... 11 a - , . .` . . � - ��. � .... .. . ." ... 1-1 - I wet storage required D 134.71 -`- .,.,. I , , I . . - . �� .11 ... ,-.s...-,�� � I -� / I I " I / /, / I �- 111- 111 I , jqy) �(�7* 1� ... .. . - 11, - -.1111 ... . .... -11-111-1- - -- - ... . ..... :,, .."t�n: ---/ / " � / / / .. . r - - - ... "I I 1�1* I �' I- I 11 / / .1 / 9--ge "IT-9 . - I N � � - - " ' """' . GRAPHIC SCALE ..I''/, . 7'. ., Z..' .., - � � I I I - - .....�...'. .... .,\ ................ .. , .i. I .. -.�-.-.-r;�-.- - . ..... �Z..z "' � (./ / Lu bottom of stone weir {ft).... 1 57Z 5 � - � i - . . �� . ---� , / . . I I'll i I .... \ li 1-1-11-11-1-1111-1 --- - .1.1-1. -, - I I- � �. '. I � :.,./.. , -:-� 1 .... ... .. ; "I , / -� i /' - I ,,;, . x . I . . - - 1;1* , ��;,�-- - :. I ./ � 0 - - . - 1. ......... I'. - I / '.*.,.1.,........ ...... -/ � I uj - 1. I �� .'. .... \ ........ � ' , / I / / / /S I .. "... . . . . . . . . . . � . - -, � �G S - ar-1 = .... .. I—- ' r ......... .. "Ill, 11, , " i 1.11.1-11 ... I --- � I .... r ...... . " 11 -11-11, 11 50 0 25 50 100 200 - - .� ..... V / - - - - / I / . . . . '. -.. 0 ... / / 1-11 Lu wet storage pro\dded � at ths elevati 138.9! I - � I , --�% *,'. *�\ ..... - - .-.... P SE 2�j R, / �,�\ -- - I / `�, . I 1, - 1-1-1-11" - �-99.(Cy�),�11--�-���...,� 1-1 -�,,�.�'ll".��,'�".��"."���- ,:�.'.': . / :.:.:.:.:: - , - ` - x ; � I -- . . ...... ..... Y!VERSION .." _;--- I I I I � : / -- / / I'll, . a_ V) . --� - * - -7. / I ! z ... \ . ....... / - . �... . -4 ......... ,/. I - , . - ! � I --�5�-6G, 8 , e sides 211 � � -- . . \ I * 11, I I I I _-, , , ,,-, ....... 1� ... / � . . // ... ... � . -1. .-� .......... - - ........... . � I V.,..Y ... -:� / / I I -- / ..'.'. '/' - . /.�.-, �\ . t ...... JOB NO. . I � . I .. � ... . 11 I I',- . . �,../.-.-...-.-.-. . . , , --�. -,:-.�/1,1-1-`/��.-.-.-.-.-.-.-.-/.-.-.- -.-.-.-.-_*CZ Mj I � . . ---- Iv - -,-�.-�-.-- . . . . .. I -- . - \. - \ - \ . . . \ ... .. ..... . .,. ' TOR �R .'! � 6' - . ENSURE ./. .'. I / .... " 7 - . . w M � I , -- .\:\.�-�-:-'� ----�� 7 . . 1�lk � " , , "' , , �� - - �- _, . / ,§!gp� � � 'I . ... . � pf � :spr_ �"..",,.�1.11�'ll,��-1.�..-�.-Il---,�-.�,,�l.-.�,.�.-.�.-�..�.,�---.�,.,�,.�.� -1-- ------- ------- ���...-..���.1-111--�1.11�..-.-,.-� ------ �4--�,�..--�...�.-�1-11�ll.-I'--,��.",�-,-.�.11.1�'ll",�1.1-1��,� 111-1-11 .. . ... .. .. - � � ... . � . i I I r- - / / � - �-, :-�xy� .v*ir*vuj0.-(q ?�)���,,�.��,�,,�-,�--�,�..'����-��lI .... ...... . �-��-������.�������.�,,�,���.�,�,� ..... 1I18-,11-1 --- �qrw =E!!!!!!- , - q RA � � 1 7 ! �:::: � "7�:::: � - � -::.,�,. -,:: � .� � ... �--�,,����,���,�,,�,�11--�-�.�-�1.11,11�.---,� .... . .... ....... ... .. ...... ! --- �-�..'�"..��l"..��ll,�1--�,��-�,�,-�� ... : � . * .... ;- / - - . -,. .1 .............. ................ / - , .. .... - . .. . /. � - - .. .... \� . ."-. . . .: -- / --,t / ,, / �-�-.-...-.-.-.1- �- � . . ... ....... . . ....... ;1 ..... .... .. � I 5r081 . I -- .. .., . - .... .. ..... -� - - � I i -- ....... \ , .��. --:'.. I - - I dry fora e: � 11 . ....... - 1.1-11 - " ; ...... . - . ...... ; ... - - ...... ... .'.....,..-] bottom of trap elevation (ft ' � � ( IN FEET ) \' � � , �� -� 7' 1 / . . - i. . I ........... -- ... . 1. -, , .,.:-... -. POSITIVE DRAINAGE, / 1� ....... . . . .� .... .. ../ .... j ........ I ... / 111-- .... � ... L ....... ----- 111 11 .... . ) ... � '" ' -�, - .... " ;<.\,.`�,*-�, - --�� , -- / /--- / . , �- . . 1 112072 � � 11� , . ., �.,: �:-, . . . . . . .. .... I ................... �/� � � .. -- 7 / \/ � , -- � . . '�, - - - �,. �. - -=.= -, � - - LO - DI E �7�1 0. NN . PB E // - ' ! / \ I "'* ....... k'.'. ... ..... . _ . : 8: I inch = 50 ft. - .�. .� 1�' / / - / 1��7.....-.-....-... . dry story e�jeq � . .1 - - "I 9�� (9y.) bottom trap dimensions: . 16'x2 , - �. . . - -:� - �. :�. . -�-. �� -�-' .,.�- -I- , --74'1 i / I PROPOSED -1 CLAS / . � . ./I ... 71'�.�.�-:�:�:.:.:/,......./.,.. .,,.��. t 1. I - -, .1 ... , 1111�1.111 �-l'.1-�l,"""",�,�",--"'."� --- �' 1,11,11r.." . ... 11 �1, 1111-1,11-1-11 1111-1-1-1, . ....... ... ... r ...... . r., .... 11", 11-1- - I -1 - - ' ' " �' - - . . � . 7�/-' ., - - .(-§ *P�N"'rr"�'l"""�,�""-��,, ... ....... . -r,.j�i:7J � . - ... � ., 100 -YEAR ONE INTO BASIN/ /, / / PROPOSED ' .. ti, \ / . -'.1.'. ., *.'.'.'.'/�'.'..' ... .. �'.. I � � - I 11 . . ... . • .. crest of 'stone weir 575.01 5761 -0- e-- �� RIPRAP OUTLET PROTECTION /. - *-'/-....'-'-'.'-1'1`-'-` _tqp of dam elevation (fo. - I - - I-- �, , 11 - - I ........ � I", 1111 .... O][� ... "I'll I - ,:�,.:--�.- - - � ) I - .... 1. - 11-1-11.111 ..... 11,11-1 ........ - 1 "I'll" � I -- 1r " - I I'll I., " 111- 111.1-1111-1-1111-1 .11, .......... L L L L L ' � L � . .. .. .... - . .... . ; - ...... �,�-- 1 -' STREAM BUFFER-� �-�--: .: -'.'.'. . / _j / ......i.... -op., F. ... � ............... / ...... .... � /.. SCALE � - I . --.-,o - (� -E --- --'& ----O - G -E�- E�- ---.e - 0-- E�- e E� I _ 00 I 6'Wx5'Lx2'D TY�P.y.,0 I / .... I ... -�� . '.'/ * .......... - If � . I . ...................... 1. y ...... �. ...... -9� top Wdth of dam I . 1 - - - '� -.-.-.- � ............ �..... �, , , - / I = .... .. 85 .*.*.,.. I ....... .... /.... 0q, s�q�age� provided at this elevatio I : --le - . / / W1 7.5% W2=1 8.5% L=75% D-1 * 4' ) I . . 4. CZI-, - ../ - -9-(cy � - �.. I I J§�. 111- ..... - � � - � � � � � I � - L. l-'�l��'1'1'�l"l��'�l�'11'11'L'�'�'. ft [ 11111111--, - - --j ...... .. ... I 1 1-1,111' - __ ". - - -, .-I7 ... = 50' story agem . ... ... . 'L I - - -1-1 " ' ... .... " ) 11 � , I .a- ----- -7 -�7, 1 -,,/ / / A,6,v"" /, . . ... i . ... � i � . G-� ......... �4 ;::.:.::.::...:7� � ,7t'. 7 . .. .......... ...... 1 4 - - . - ✓- I ! . , . . . . . . . . . , 4 1 : . . . . . . . . I / . . . . . . . T . . . . . . . ... . . . /.'-'-*.' - . . . ........ � - -b / / ,EXTEND. END. RIPRAP TO - EAM NK , ,'.' "' - - - ... , / ....... / .. , ".'.'.'. * -- .... - - . , ... 1 7 ... /. . ....... 4 .711 ... .... ... . � - 48')66' 1 01 .'q6 . . . .",� .0 . . . . .. . . /1 .,.,., / .N ........ �ELE . . . / / i "t�S�,� I slope dry sides 2:11 to trap dimensions �� I /�\ ::S . _ . . ... . .......... - / /t , ... ... �. .:T "I -� ........ . ... / ./ ........ - - ........... - � � .... � .......... ----- - - -,- - - - - -/ .;- - - -/ - - - - .............. / . . . - - - -:.:,.*" '' , . _ � / ... /.,. . . .. ..... ............ .... / ... .... ... - � ........................ .... � / 1�� ... . / . �'. -� . ...... - - - - - -N ..... I ........ lqw ....... 1 j , .'-. - - -7- -- - N ,,----- / , .... .. � ...... / ... II, ........ *.,.,.,.,z.,.. I ....... ......... / I 1 ....... / ... SHEET NO. -*1 I ��. . / ,/ . . . ....... -'-'-/-"-' " - - 1 , . , . , I .� ........................... ... /' , / '�--' '' I/ , , . . . . . . . . -� . . . � . . . . I *% -j , , . . . . * . . . .. / , . . / I . . . . . . .. . . .. . . . . . . . . . . / Cf . . * . . . . . . . .. Is /z, . --.,:::: �: . -r- * .'T . . . . 1 � ... : ,/ , . . .... � ..... ... .. ... � .............. / ... J 1. , '. ♦ / / -f ,......1... ..I ......... \ ... .... .. ... I ......... I I (D U) 0 a I- 73 a >1 C 0 " O -0 a) In 73 (1) -0 � od C- z = E 0 LLJ _r_ LLJ V) z 7(D0 CZ 0w � I V) 0 Z 0--, .c __j C " C) 0 - Q) 0 6 - , C: 3 (1) U) 9-- 0 C () 7C) (D C () (1) :3 -Z -0 , 0 3: - 0- Q) U) I 0) Q) Q) I- -0 e- x + Q O F (1) , -F 0 - 1 D C -0= 0 3 :D CDn �=, .E- Of -y -Li I'D (O Z 0 c: Z .0 () �0 :3 I Z - -i co C -1 0 0 () I- C o 1-1 >1 C C , Q) a6, 0 I LL -0 .S� a) �2 U) - :) c 6 0 x :�-- (D 0 =3 Q) I- -C - , 0 c Q) 0 0 0 U) -o C: -0 Q) Q) E :L- :5 E 5- -0- 0 -0 C: (D .2 M U -0 0 U) Q) U) > 0 • , -1 :3 C: U 0 C U) - C: S- -2 4) > 0- a) 0 Q 0) V) - 0 -C -�-- I- 3: I i I ! I I i STR: 2 MH / - I 585 STA: 10+74 6 3 RIM: 579.85 1 I � . d- i 0% INV IN: 575.40 TO 4 1 11 INV OUT: 570.50 TO 1B I . x. I I I I I , il il /' 1, f�- � I 0 ; I � I I I 580 I I / . i � , I , , a \\\ � -1 , I CT lb - I ' ' STR:18 MH I ) I I I I .; 14 %v bc \,x STA: 10+38.30 i i t , 1 I/ / j D - 5 RIM: 574.20 / " I i . 5;11 1 '\ b,zr / i 'z' INV IN: 568.10 TO 2 / " I 575 INV OUT: 563.40 TO // `,-�,-- I I . I 1 . . T- r�- zCY) / I A / CY5 0) . I I I i i . I I i � I 570 I I 2 5 - 1 / / I / - <<-, ", �� 'I 1 t I ul ,I I" i ;T' �p - \\\ A\1 T! , IL) ,7 , ct� Q-1 ro * 41 -. - I � I 1 1 I I � ! . i . . . I Lj. I UJ ! 1 . � I , 1 I I I i I I I a) U01 I . i � . 11� 1�� 9 0 L�, \5 11 I � I I i � � I T - I i I . < . 4�:) � III I i I / -b1b. I I I I I i 565 I I I ,-5, � . I 1 I I - I j -T28.56 I ---+ 24" CL III � RCP � 1 i LF 0 1 6.48% 1 1- ! . ! i I I 560 x I � 1 INY OUTS 56D1N.-55 I I ---V - --- 4- i I E�-1 � CLASS 11 RIRRAP I 558 I 1 1 f � =4. 5% ! W2=1 .5% L=17'; 11)=3.61 o In . 00 00 0) . 0) QO (o . 0) 00 Ln co "j 6 In Lo In r7 � U) I . 0 Ln I - \ \ \ \ A /� / � ./ ,/ ./ - /Ij) I I I I I I � O..........) Ar -/ [ � / I I ... *.V., 9+50 10+00 10+50 11+00 11+50 -j 0 -j I , I \ I / I.- .,/, , .. / .11 \ .11 - . . � . . / . . . . /. 1/7. /1. ., .I I I I , I I I .\..... \ I , A�- �, /--/ -/ � I � -I--, I .\ '; 4M -j I - � .1 ... ... 1. ... . I �-- .-,- --- , \ I I -� . ,,� . / , I - - - . , L / , / ! ... /, . . . *1 A I I \1 I I I I I .", .. -, I /V, �/ .. / . ./I. ... / ... X... . . I I I I � I \ `\" '' -,' WPO AMENDMENT STORM SEWER CHANGES: � .1 , �/ I . I I . I. � I/ - - � I - '.'.I , - ,V;. /I .. I.. ... . I I- , . I i I I I I I .... 11� -� ---- . .. . . / .. I/.. , , , , . .. . -. . / -ALIGNMENT & LENGTH OF STORM PIPE 1A ADJUSTED, BUT THE SLOPE REMAINS THE SAME mmmm . ,�)/ � "I . . ,/. . . .". 4 1 1 1 I I - - -- /, - - .. - �v ..... . . . . . . -� ..... , (P \ - - .� v /.� .� / /, ." . . . .*.,.I U) ------ \ - V I / . - . - / / - / / I / , / I . . �-\ -- - ��- z z I I 1 1 1 1 1 I I I I I """ -RIM OF STRUCTURE 1 B ADJUSTED WITH UPDATED GRADING. F--q 0 13zF0- - , .7.. . - ��- , - , . � - 11 A /I -- �, I .r ,,, '7f 1, 1, I I i ..*-!- ___------, \1`1 . . ./ I - T / -- \ I P, j I I -- - - .,-.,. - /. / . I ,., I - I/ - -- -- -N --- / Z / / / ! � / I I I I I , I. , \ ,� , �- -,\ - - - - - - i- - u.j �- , , � --- I , I / - , --� I .Y...l.d........I.,11. ..\.�, , " A,� " / "I \ 1-1 �t() - - - 1� L 11 ... / I . . j- / / -- . . ..... -1 /I . . ! I I I I I I I I I * I . ., . I I L9 1� - .- / / / � �� ----i � . � ... ......./. .. / . I I I I I It i .I- � \ \.'.'.* \ \ '\ \ ,� " 1� - - -� \ -- - 0 U) z - V ,,/ / ... , . I �. ... ... 11 - / - I \. .. .. v. -. - - \ 11� � , ,/ --, -- - � . ---� . � . I I ��::-....;........I .... / \ - - - - , I I , I A . ..... � - of < . / - . - vl .... * Al / l \.. '\ 1\ \\ / /\ \, -- ---A 0 SELECTIVE CLEARING AS NECCESSARY TO BE ALLOWED - -- -- "/ / �� � 7 ........ / , , I , I i'l , I \ N ... \. 1\ "I A - I - (P PROTECTION & LIMITS OF DISTURBANCE -- ,- I " / / ----/ . . i � ./. \ --:, - - - .\-�. .�, / , , "I � X .. \ 1�1 '�-, - -/ I \ \ \ -- - - < 2: U \ 11 , 11 I , . ./ ....... / .. - \. . . . ". � . . / I I JI ! 10 1 \ ... "I --,� X/1\ - z 11 .. 1� . . , . / .. ". . . 1� .. . � - / i / I I / - I I \.... . 11� -\- -A --- / \ - �:� - - 1: a- 1� -� I 1-� i � / I / - � � . I ... /� I . .1 � J/ I I . I . . .\. 1\ - r,-/ 0 - ,:-� - - 1--� ,- . . . I - / ,-,:� . .\.......\.....-. -, PROPOSED VDOT EW-1 - - - A C) I— �, -1,'. " . '/ / , 1'�/ �' � . /. . - ... . . .-� . . . . . . .1 . . . �6 1 !.� I .. ... .. -1 -1 CLASS 11 RIRRAP - --- - ---- - - , , * , , . ..\ ... \ ----- I/ /. . � . . , . C). 11 I / - , . / 0)1 / / ... �, ITH EC - - --- - . . . -�� ,/. . . . 4 . ,!. � 1P - .,/.. . ."'. .. " ... I .- . � //.-" - . .1 ��/ /, / , '- \W1 =4.5; W2=185'- L=17'; D=3.6' --- ---- - - I 11\ --_ � , - I /1 . .1 ... i . . /' /I / - - I -, , /. � I I - -- -- - w I Lij -- -- ... /'. .... / . . . . . -.11. 11� . I / -1 -- -- -- \/\ '----- -, - - -_--- �--- - - - - - - - - �- �.--�,�./. -\�- \ --- -- - --- --- �e -j "I � �, - '.� - � I I ... I I . .. . � �t"F :iii `:r \.- .. �\ - - - - - (P - ,- I / I',' 1 .,7W - -- - -- -- - -� , w - - 1� ....... . I "I 1;"-,-"* � \ �-- � --- • '- PROPOSED - . / . . , . / . 4 , j - - � . .1 . I � \ - \ -- -- , - - I = 0 � - PROPOSED LIMITS- � . 11 -... , "I'll "I I I I-- �%- ,.- I 1. .. . . . . \. I ., - ---� I � �, - � - -- - /. I . . . / Jr J . I . / � . / . . I . . . . ... ... 1. H. ... -- 11 11 -17� � "o-1 I . . . I - - - �-,60 �- � I OF DISTURBANCE.- . 1�� I I I I. . ... 'I\. - : -,. N -- � M .- / / 1-11 \1 ,Kzl� -101 I x ---- --- � -- - ::) uj LU = . . . , . . . / . ., , ... . . \ - ') L- . I -- --� `-, ---- , � � -- � -1 � ?7.56 AC I Z. � ./� , / / ... . . -,--- --7- 7 / / -�-� 0/" , -- - -- U) syo C/) . - ---7- --`��`!� -- � - - I /, I . - - - "-\- �- ,- -� -- `\ � �6.t� ."- . 14 1 i 1. . . .1 . ,\ / ... %, / /I / j . ( , \.` \ -- �, �- --- I . . � ./ , T . .\ ..... I- -1 1� - . I--- - .11 - � , I . `�r,� � , // / I �1 , . \' ... - �- 11 -� � 1/1 - - ---�-- BASIN - I/ ,---\ w -j i ?,- / / ---- , . -- �, 11 (JD - � � . / I . . . . . . . / /, I . / �\) .... � - - - . . . . . � I //. ---Pk,�-sbi1,/-. /. / / / , ;/ , . . �, - - - �/ i�z.,) - ., I / . . � � . . . �z , I . \ .�. , I -/ . --- , z 11 � ./ , , . �, � . / � . � I - - - Z.` . . ;5 / / // / // / / //?, . . . ..."'.. � -�" "WARNING: FENCE - �, -- -, -1 ---- -, 0� (1) 0 1 - - I . ... ./I, . , . ., �1 4z� / / ♦ , � - It . � / - .. . � � 1 , � , � I-'. . I . ./. / / / " / - . . - -- �, UJ ) ., �, � - - --- - - - / . . . . � . I / . C w -L:�- 0 5. /, / / '11� . , NSTALL SIGNS SAF -- ---- �-� � . ./. . . . .t . . . i - - -��,< I . / ,/ / , .,�. ' . -- �- -,-� - I '1� � /. 1, , / 1, , , , /,' , -QUICK SAND, KEEP OUT _ --,� -� vi U) / � \ . - "I / / I ,� , -1 .--- - . 1. . . � � � � I I " I- I . � -1 ... , Q� , . I � I X. • ... 1. �� ... . __-e � I I � � � - I SIDEWALK, AND "� .... � ... I . . � 1. 1/1 11, - v "'§ � / I / // . '�.";.,... \ --e - - -Ne - 0--'-�L- e ----- - - , I , , , � 1�1 - >< I./ ... � . ..... . . ..... z ,- - Sediment Trap 7 design : UL-DE-SAC - � :3 . � . ./) I- 77. 1 1 P'1 In/ Fv / ", ....... lt�� �� � � - I I I � I 1- 1- , X , - - '** / I �11 , - I 1.11-11111-11 I'll 111 '11'1'1'��L,L�����',��"�.11,11,�1,1"-iLLI' --��'����"'"��'�l�L-�ILLIIL'I",11,,'I�" I � � AIII-- ./, ./ - �, / .... Q-� --E�- j �- 0 1 � I � � 1�� . . . . "PS I ,.,/ . / I /,/ . I -- � , - 1-1 - - ' ` 1 11-11 � - , � - .. ...... "' . .......... .... � ; L ... . 111-- _SAN - SEWER,, / I -, * * I L� I .1 .... / . I / 1��&�- 41 - . .... �.. . �� I � I v I YAX-Lj� I - , I- . I I �- . . . . . . . X z < I / . / I / X // - I ... . . . . . . . . ✓ . . . . . . . .. . 11 �, w . I� I --� �� j . .1. .1 . . I ... x�<,- //z " " .... L 1� 0�- ' drainage area (acre _(<'3),i- . .. .... �"�'�-�L�'�"'I'�l,"�1-11,111,11-��L,� ... .......... . -.2�.'01'[ ........ .. . .... . - -T-----] . . .... .... \ \1 i � 11 :1 .\ .......... ... . ... drainage . . ......... . . I ... 11---l- ... L . .... . . -s)11 � � - I . .... !- i ,\,,. 1� 11 1�1 - ,,, - - .11, I OR4NAL I ----PROPOS * "'WOODEN * BA FLE � I I (mE-sT or stoNEWEIR i // - ... � , �, w ui i � � WJ44ME ' ' WEIR . . . . I . . - � - � I ,v z ... 11 -, 1. I � - . 1 ..... ,� - - - 11 . .... . .... .... .0 I r, AGGREGATE ,>- z -,,-,- ... j - trapvolumes:1 - ! ORWND i . �-] AT ELEV. 5.,5.0 ,� --, 1 � ...... I 1. I .) - .I. I I' . I I ....... � /zz -,- -�, I 1z . ... V, - z ,/� evation (ft) � area (sf) � I ELM - ... I . -- . . -- I - i � ""� I I Ar � � " - - ''I ... .:::�:�::::::�::: .., � el . ,/ / X/11// wi ry 1-1-1111 I -1'1 �'vo� 4 cy�)]11111111111. r .1 -1-1. - / / �- - " X -X, ----� .......... � I ' - 0.0 i NN L= 1 8% W= 1 7.3'- D - 2' '- �, .,.-. ." �.; " . � 11 ..... � � .� I - � I I - -----� -- 1� . 568.00 354.0 . , I ... � - -- . . 'Iz�� ........ I-,' 11 < '1-11 --- -1-1- .............. ........ ........... . , . - I-- ,,�, I - . .. / I ....... , . -�- , F,,�,Iy \ �� V,..,;I,,,� I'll �, C)','- ,----, .;",-- 1 7.:�.*;...; "I . � ..... ................... ... . * ..... .. i � DRYSTORAGE 1� - - - -, . " , PROPOSED 30" CL. III RCP RISER � 1 725.0� 39�2 10 �, . I ...... (D 570,001 '_1 - 1-1 ---"'--"'-I"'-'-'�--,--,�,�- -- .. ..... ..... '--- .- '� ...... . I � I ..... "I . .". - �, -�-' , - .... ;11 I * I RIM=555.00 � - - 11- . - - - I - 0 / , I , �Z,- . A---:. �1. \ I 1 �, 11 .---- . - I /// � - "� 11 ...... ��'.��r���."72,.,G,O1,227,.,O 111110'.61111 A - PROPOSED SILT FENCE �, ,--o� �,- , , 1, q, :.:.:.:�:.:.:.. I- 0 -1--- -, � ..... - 11 ...... -,-- - -,- - - - - . ''' I ........ - I . . . . / 0 � L �574,00� 1851.0� 223.81 E)W/WIRE BACKING (TYP.) , .. . / / -�7 7, 7 - - I 0 I --_ -- - �, , 7 /.�/--�-W- ---7----r---T-1---7-, N �- - 111 --- WEr STORAGE - I-- �, - � / - , 7 I I vMM 7 ...... .... . .. - - - - - - - - i PROPOSED 24 CL. Ill RCP BARREL / - i . - I i 575.00] 2202.0 298.81 (OW-VATEQ) � - - - I --- ✓ I,- - w , -� ..1z I � .... - /_-- - / / / -.4- - -1-1- ---- � --- ��-.-.,.�.�,�.,��������.�"-..--,.�,�--l'.�,�,c�,���,��.,���-��'ll,� - -1..1- F#LTM VLOTH ORIOkAL - ...... � ...... -- - I- -- . .-..,.,; I-- / I � .. ,���������-"�-�-��,�--�- � GROutto . 5-��, - --- ::-z--_ i 71 - .-.�,Cc�-Z,.,� - ..- ,80 LF @ S=0.5 % - - / / -i- -, -- �- -, - I � - m- � �, : 576.001 2579.0 387.31 - - - - - I --- " -- I... ....��, ...... -- I I / ./. - ,-) I/ / / --�- , .. . ...... 1'r -Ir , "I 1- I-- .. . ... - I � I nxv� - --- - � � - - - . �>.. . `� . Nx�:-:-:-:-�-,:. --,) I I - - - Z7 ---- . I .,.., -- / / " / I - - � �� / --- / ,.,- uj vvet story 9....:.. e: : � � i - I - - I . . , � .... � , '-- / , / / --- , , - / / ,- �, I i 11 ... �J r I -TE - . . f - . / / 11 � ........... " -SIX PLATE 3.1.5�-`[ - '. I.,. . 1, - ;,� - �, . . "I .111 I - � �111111 - I I 11 11 - - 111- 1�11 I 11 I ' 11 11I.- L", COARSE A0GRECA CLASS 1, RFRAP -- - ... .... . . . . . . . . . . . . . . . . . . .... . .. -- / / --� � I , / , , - � � -/- - 1)'-�- \�'�.. �. ,� � �', ` . . ... 11 a - , . .` . . � - ��. � .... .. . ." ... 1-1 - I wet storage required D 134.71 -`- .,.,. I , , I . . - . �� .11 ... ,-.s...-,�� � I -� / I I " I / /, / I �- 111- 111 I , jqy) �(�7* 1� ... .. . - 11, - -.1111 ... . .... -11-111-1- - -- - ... . ..... :,, .."t�n: ---/ / " � / / / .. . r - - - ... "I I 1�1* I �' I- I 11 / / .1 / 9--ge "IT-9 . - I N � � - - " ' """' . GRAPHIC SCALE ..I''/, . 7'. ., Z..' .., - � � I I I - - .....�...'. .... .,\ ................ .. , .i. I .. -.�-.-.-r;�-.- - . ..... �Z..z "' � (./ / Lu bottom of stone weir {ft).... 1 57Z 5 � - � i - . . �� . ---� , / . . I I'll i I .... \ li 1-1-11-11-1-1111-1 --- - .1.1-1. -, - I I- � �. '. I � :.,./.. , -:-� 1 .... ... .. ; "I , / -� i /' - I ,,;, . x . I . . - - 1;1* , ��;,�-- - :. I ./ � 0 - - . - 1. ......... I'. - I / '.*.,.1.,........ ...... -/ � I uj - 1. I �� .'. .... \ ........ � ' , / I / / / /S I .. "... . . . . . . . . . . � . - -, � �G S - ar-1 = .... .. I—- ' r ......... .. "Ill, 11, , " i 1.11.1-11 ... I --- � I .... r ...... . " 11 -11-11, 11 50 0 25 50 100 200 - - .� ..... V / - - - - / I / . . . . '. -.. 0 ... / / 1-11 Lu wet storage pro\dded � at ths elevati 138.9! I - � I , --�% *,'. *�\ ..... - - .-.... P SE 2�j R, / �,�\ -- - I / `�, . I 1, - 1-1-1-11" - �-99.(Cy�),�11--�-���...,� 1-1 -�,,�.�'ll".��,'�".��"."���- ,:�.'.': . / :.:.:.:.:: - , - ` - x ; � I -- . . ...... ..... Y!VERSION .." _;--- I I I I � : / -- / / I'll, . a_ V) . --� - * - -7. / I ! z ... \ . ....... / - . �... . -4 ......... ,/. I - , . - ! � I --�5�-6G, 8 , e sides 211 � � -- . . \ I * 11, I I I I _-, , , ,,-, ....... 1� ... / � . . // ... ... � . -1. .-� .......... - - ........... . � I V.,..Y ... -:� / / I I -- / ..'.'. '/' - . /.�.-, �\ . t ...... JOB NO. . I � . I .. � ... . 11 I I',- . . �,../.-.-...-.-.-. . . , , --�. -,:-.�/1,1-1-`/��.-.-.-.-.-.-.-.-/.-.-.- -.-.-.-.-_*CZ Mj I � . . ---- Iv - -,-�.-�-.-- . . . . .. I -- . - \. - \ - \ . . . \ ... .. ..... . .,. ' TOR �R .'! � 6' - . ENSURE ./. .'. I / .... " 7 - . . w M � I , -- .\:\.�-�-:-'� ----�� 7 . . 1�lk � " , , "' , , �� - - �- _, . / ,§!gp� � � 'I . ... . � pf � :spr_ �"..",,.�1.11�'ll,��-1.�..-�.-Il---,�-.�,,�l.-.�,.�.-.�.-�..�.,�---.�,.,�,.�.� -1-- ------- ------- ���...-..���.1-111--�1.11�..-.-,.-� ------ �4--�,�..--�...�.-�1-11�ll.-I'--,��.",�-,-.�.11.1�'ll",�1.1-1��,� 111-1-11 .. . ... .. .. - � � ... . � . i I I r- - / / � - �-, :-�xy� .v*ir*vuj0.-(q ?�)���,,�.��,�,,�-,�--�,�..'����-��lI .... ...... . �-��-������.�������.�,,�,���.�,�,� ..... 1I18-,11-1 --- �qrw =E!!!!!!- , - q RA � � 1 7 ! �:::: � "7�:::: � - � -::.,�,. -,:: � .� � ... �--�,,����,���,�,,�,�11--�-�.�-�1.11,11�.---,� .... . .... ....... ... .. ...... ! --- �-�..'�"..��l"..��ll,�1--�,��-�,�,-�� ... : � . * .... ;- / - - . -,. .1 .............. ................ / - , .. .... - . .. . /. � - - .. .... \� . ."-. . . .: -- / --,t / ,, / �-�-.-...-.-.-.1- �- � . . ... ....... . . ....... ;1 ..... .... .. � I 5r081 . I -- .. .., . - .... .. ..... -� - - � I i -- ....... \ , .��. --:'.. I - - I dry fora e: � 11 . ....... - 1.1-11 - " ; ...... . - . ...... ; ... - - ...... ... .'.....,..-] bottom of trap elevation (ft ' � � ( IN FEET ) \' � � , �� -� 7' 1 / . . - i. . I ........... -- ... . 1. -, , .,.:-... -. POSITIVE DRAINAGE, / 1� ....... . . . .� .... .. ../ .... j ........ I ... / 111-- .... � ... L ....... ----- 111 11 .... . ) ... � '" ' -�, - .... " ;<.\,.`�,*-�, - --�� , -- / /--- / . , �- . . 1 112072 � � 11� , . ., �.,: �:-, . . . . . . .. .... I ................... �/� � � .. -- 7 / \/ � , -- � . . '�, - - - �,. �. - -=.= -, � - - LO - DI E �7�1 0. NN . PB E // - ' ! / \ I "'* ....... k'.'. ... ..... . _ . : 8: I inch = 50 ft. - .�. .� 1�' / / - / 1��7.....-.-....-... . dry story e�jeq � . .1 - - "I 9�� (9y.) bottom trap dimensions: . 16'x2 , - �. . . - -:� - �. :�. . -�-. �� -�-' .,.�- -I- , --74'1 i / I PROPOSED -1 CLAS / . � . ./I ... 71'�.�.�-:�:�:.:.:/,......./.,.. .,,.��. t 1. I - -, .1 ... , 1111�1.111 �-l'.1-�l,"""",�,�",--"'."� --- �' 1,11,11r.." . ... 11 �1, 1111-1,11-1-11 1111-1-1-1, . ....... ... ... r ...... . r., .... 11", 11-1- - I -1 - - ' ' " �' - - . . � . 7�/-' ., - - .(-§ *P�N"'rr"�'l"""�,�""-��,, ... ....... . -r,.j�i:7J � . - ... � ., 100 -YEAR ONE INTO BASIN/ /, / / PROPOSED ' .. ti, \ / . -'.1.'. ., *.'.'.'.'/�'.'..' ... .. �'.. I � � - I 11 . . ... . • .. crest of 'stone weir 575.01 5761 -0- e-- �� RIPRAP OUTLET PROTECTION /. - *-'/-....'-'-'.'-1'1`-'-` _tqp of dam elevation (fo. - I - - I-- �, , 11 - - I ........ � I", 1111 .... O][� ... "I'll I - ,:�,.:--�.- - - � ) I - .... 1. - 11-1-11.111 ..... 11,11-1 ........ - 1 "I'll" � I -- 1r " - I I'll I., " 111- 111.1-1111-1-1111-1 .11, .......... L L L L L ' � L � . .. .. .... - . .... . ; - ...... �,�-- 1 -' STREAM BUFFER-� �-�--: .: -'.'.'. . / _j / ......i.... -op., F. ... � ............... / ...... .... � /.. SCALE � - I . --.-,o - (� -E --- --'& ----O - G -E�- E�- ---.e - 0-- E�- e E� I _ 00 I 6'Wx5'Lx2'D TY�P.y.,0 I / .... I ... -�� . '.'/ * .......... - If � . I . ...................... 1. y ...... �. ...... -9� top Wdth of dam I . 1 - - - '� -.-.-.- � ............ �..... �, , , - / I = .... .. 85 .*.*.,.. I ....... .... /.... 0q, s�q�age� provided at this elevatio I : --le - . / / W1 7.5% W2=1 8.5% L=75% D-1 * 4' ) I . . 4. CZI-, - ../ - -9-(cy � - �.. I I J§�. 111- ..... - � � - � � � � � I � - L. l-'�l��'1'1'�l"l��'�l�'11'11'L'�'�'. ft [ 11111111--, - - --j ...... .. ... I 1 1-1,111' - __ ". - - -, .-I7 ... = 50' story agem . ... ... . 'L I - - -1-1 " ' ... .... " ) 11 � , I .a- ----- -7 -�7, 1 -,,/ / / A,6,v"" /, . . ... i . ... � i � . G-� ......... �4 ;::.:.::.::...:7� � ,7t'. 7 . .. .......... ...... 1 4 - - . - ✓- I ! . , . . . . . . . . . , 4 1 : . . . . . . . . I / . . . . . . . T . . . . . . . ... . . . /.'-'-*.' - . . . ........ � - -b / / ,EXTEND. END. RIPRAP TO - EAM NK , ,'.' "' - - - ... , / ....... / .. , ".'.'.'. * -- .... - - . , ... 1 7 ... /. . ....... 4 .711 ... .... ... . � - 48')66' 1 01 .'q6 . . . .",� .0 . . . . .. . . /1 .,.,., / .N ........ �ELE . . . / / i "t�S�,� I slope dry sides 2:11 to trap dimensions �� I /�\ ::S . _ . . ... . .......... - / /t , ... ... �. .:T "I -� ........ . ... / ./ ........ - - ........... - � � .... � .......... ----- - - -,- - - - - -/ .;- - - -/ - - - - .............. / . . . - - - -:.:,.*" '' , . _ � / ... /.,. . . .. ..... ............ .... / ... .... ... - � ........................ .... � / 1�� ... . / . �'. -� . ...... - - - - - -N ..... I ........ lqw ....... 1 j , .'-. - - -7- -- - N ,,----- / , .... .. � ...... / ... II, ........ *.,.,.,.,z.,.. I ....... ......... / I 1 ....... / ... SHEET NO. -*1 I ��. . / ,/ . . . ....... -'-'-/-"-' " - - 1 , . , . , I .� ........................... ... /' , / '�--' '' I/ , , . . . . . . . . -� . . . � . . . . I *% -j , , . . . . * . . . .. / , . . / I . . . . . . .. . . .. . . . . . . . . . . / Cf . . * . . . . . . . .. Is /z, . --.,:::: �: . -r- * .'T . . . . 1 � ... : ,/ , . . .... � ..... ... .. ... � .............. / ... J 1. , '. ♦ / / -f ,......1... ..I ......... \ ... .... .. ... I ......... I I (D U) 0 a I- 73 a >1 C 0 " O -0 a) In 73 (1) -0 � od C- z = E 0 LLJ _r_ LLJ V) z 7(D0 CZ 0w � I V) 0 Z 0--, .c __j C " C) 0 - Q) 0 6 - , C: 3 (1) U) 9-- 0 C () 7C) (D C () (1) :3 -Z -0 , 0 3: - 0- Q) U) I 0) Q) Q) I- -0 e- x + Q O F (1) , -F 0 - 1 D C -0= 0 3 :D CDn �=, .E- Of -y -Li I'D (O Z 0 c: Z .0 () �0 :3 I Z - -i co C -1 0 0 () I- C o 1-1 >1 C C , Q) a6, 0 I LL -0 .S� a) �2 U) - :) c 6 0 x :�-- (D 0 =3 Q) I- -C - , 0 c Q) 0 0 0 U) -o C: -0 Q) Q) E :L- :5 E 5- -0- 0 -0 C: (D .2 M U -0 0 U) Q) U) > 0 • , -1 :3 C: U 0 C U) - C: S- -2 4) > 0- a) 0 Q 0) V) - 0 -C -�-- I- 3: UJ !;i I I I i d- i 0% 0 IN I I I I - MOM M M-111 M M M IN M M T- r�- zCY) CY5 0) � C\1 Ict Alh A CY) ff Mw ,,I- 0 or 0 to �- ;7 - Lj. I UJ - IN M 0 0 M M Im M LLJ C/) a) U01 N N z 11 W < uj z , < Z III < - \ \ \ \ A /� / � ./ ,/ ./ - /Ij) I I I I I I � O..........) Ar -/ [ � / I I ... *.V., 9+50 10+00 10+50 11+00 11+50 -j 0 -j I , I \ I / I.- .,/, , .. / .11 \ .11 - . . � . . / . . . . /. 1/7. /1. ., .I I I I , I I I .\..... \ I , A�- �, /--/ -/ � I � -I--, I .\ '; 4M -j I - � .1 ... ... 1. ... . I �-- .-,- --- , \ I I -� . ,,� . / , I - - - . , L / , / ! ... /, . . . *1 A I I \1 I I I I I .", .. -, I /V, �/ .. / . ./I. ... / ... X... . . I I I I � I \ `\" '' -,' WPO AMENDMENT STORM SEWER CHANGES: � .1 , �/ I . I I . I. � I/ - - � I - '.'.I , - ,V;. /I .. I.. ... . I I- , . I i I I I I I .... 11� -� ---- . .. . . / .. I/.. , , , , . .. . -. . / -ALIGNMENT & LENGTH OF STORM PIPE 1A ADJUSTED, BUT THE SLOPE REMAINS THE SAME mmmm . ,�)/ � "I . . ,/. . . .". 4 1 1 1 I I - - -- /, - - .. - �v ..... . . . . . . -� ..... , (P \ - - .� v /.� .� / /, ." . . . .*.,.I U) ------ \ - V I / . - . - / / - / / I / , / I . . �-\ -- - ��- z z I I 1 1 1 1 1 I I I I I """ -RIM OF STRUCTURE 1 B ADJUSTED WITH UPDATED GRADING. F--q 0 13zF0- - , .7.. . - ��- , - , . � - 11 A /I -- �, I .r ,,, '7f 1, 1, I I i ..*-!- ___------, \1`1 . . ./ I - T / -- \ I P, j I I -- - - .,-.,. - /. / . I ,., I - I/ - -- -- -N --- / Z / / / ! � / I I I I I , I. , \ ,� , �- -,\ - - - - - - i- - u.j �- , , � --- I , I / - , --� I .Y...l.d........I.,11. ..\.�, , " A,� " / "I \ 1-1 �t() - - - 1� L 11 ... / I . . j- / / -- . . ..... -1 /I . . ! I I I I I I I I I * I . ., . I I L9 1� - .- / / / � �� ----i � . � ... ......./. .. / . I I I I I It i .I- � \ \.'.'.* \ \ '\ \ ,� " 1� - - -� \ -- - 0 U) z - V ,,/ / ... , . I �. ... ... 11 - / - I \. .. .. v. -. - - \ 11� � , ,/ --, -- - � . ---� . � . I I ��::-....;........I .... / \ - - - - , I I , I A . ..... � - of < . / - . - vl .... * Al / l \.. '\ 1\ \\ / /\ \, -- ---A 0 SELECTIVE CLEARING AS NECCESSARY TO BE ALLOWED - -- -- "/ / �� � 7 ........ / , , I , I i'l , I \ N ... \. 1\ "I A - I - (P PROTECTION & LIMITS OF DISTURBANCE -- ,- I " / / ----/ . . i � ./. \ --:, - - - .\-�. .�, / , , "I � X .. \ 1�1 '�-, - -/ I \ \ \ -- - - < 2: U \ 11 , 11 I , . ./ ....... / .. - \. . . . ". � . . / I I JI ! 10 1 \ ... "I --,� X/1\ - z 11 .. 1� . . , . / .. ". . . 1� .. . � - / i / I I / - I I \.... . 11� -\- -A --- / \ - �:� - - 1: a- 1� -� I 1-� i � / I / - � � . I ... /� I . .1 � J/ I I . I . . .\. 1\ - r,-/ 0 - ,:-� - - 1--� ,- . . . I - / ,-,:� . .\.......\.....-. -, PROPOSED VDOT EW-1 - - - A C) I— �, -1,'. " . '/ / , 1'�/ �' � . /. . - ... . . .-� . . . . . . .1 . . . �6 1 !.� I .. ... .. -1 -1 CLASS 11 RIRRAP - --- - ---- - - , , * , , . ..\ ... \ ----- I/ /. . � . . , . C). 11 I / - , . / 0)1 / / ... �, ITH EC - - --- - . . . -�� ,/. . . . 4 . ,!. � 1P - .,/.. . ."'. .. " ... I .- . � //.-" - . .1 ��/ /, / , '- \W1 =4.5; W2=185'- L=17'; D=3.6' --- ---- - - I 11\ --_ � , - I /1 . .1 ... i . . /' /I / - - I -, , /. � I I - -- -- - w I Lij -- -- ... /'. .... / . . . . . -.11. 11� . I / -1 -- -- -- \/\ '----- -, - - -_--- �--- - - - - - - - - �- �.--�,�./. -\�- \ --- -- - --- --- �e -j "I � �, - '.� - � I I ... I I . .. . � �t"F :iii `:r \.- .. �\ - - - - - (P - ,- I / I',' 1 .,7W - -- - -- -- - -� , w - - 1� ....... . I "I 1;"-,-"* � \ �-- � --- • '- PROPOSED - . / . . , . / . 4 , j - - � . .1 . I � \ - \ -- -- , - - I = 0 � - PROPOSED LIMITS- � . 11 -... , "I'll "I I I I-- �%- ,.- I 1. .. . . . . \. I ., - ---� I � �, - � - -- - /. I . . . / Jr J . I . / � . / . . I . . . . ... ... 1. H. ... -- 11 11 -17� � "o-1 I . . . I - - - �-,60 �- � I OF DISTURBANCE.- . 1�� I I I I. . ... 'I\. - : -,. N -- � M .- / / 1-11 \1 ,Kzl� -101 I x ---- --- � -- - ::) uj LU = . . . , . . . / . ., , ... . . \ - ') L- . I -- --� `-, ---- , � � -- � -1 � ?7.56 AC I Z. � ./� , / / ... . . -,--- --7- 7 / / -�-� 0/" , -- - -- U) syo C/) . - ---7- --`��`!� -- � - - I /, I . - - - "-\- �- ,- -� -- `\ � �6.t� ."- . 14 1 i 1. . . .1 . ,\ / ... %, / /I / j . ( , \.` \ -- �, �- --- I . . � ./ , T . .\ ..... I- -1 1� - . I--- - .11 - � , I . `�r,� � , // / I �1 , . \' ... - �- 11 -� � 1/1 - - ---�-- BASIN - I/ ,---\ w -j i ?,- / / ---- , . -- �, 11 (JD - � � . / I . . . . . . . / /, I . / �\) .... � - - - . . . . . � I //. ---Pk,�-sbi1,/-. /. / / / , ;/ , . . �, - - - �/ i�z.,) - ., I / . . � � . . . �z , I . \ .�. , I -/ . --- , z 11 � ./ , , . �, � . / � . � I - - - Z.` . . ;5 / / // / // / / //?, . . . ..."'.. � -�" "WARNING: FENCE - �, -- -, -1 ---- -, 0� (1) 0 1 - - I . ... ./I, . , . ., �1 4z� / / ♦ , � - It . � / - .. . � � 1 , � , � I-'. . I . ./. / / / " / - . . - -- �, UJ ) ., �, � - - --- - - - / . . . . � . I / . C w -L:�- 0 5. /, / / '11� . , NSTALL SIGNS SAF -- ---- �-� � . ./. . . . .t . . . i - - -��,< I . / ,/ / , .,�. ' . -- �- -,-� - I '1� � /. 1, , / 1, , , , /,' , -QUICK SAND, KEEP OUT _ --,� -� vi U) / � \ . - "I / / I ,� , -1 .--- - . 1. . . � � � � I I " I- I . � -1 ... , Q� , . I � I X. • ... 1. �� ... . __-e � I I � � � - I SIDEWALK, AND "� .... � ... I . . � 1. 1/1 11, - v "'§ � / I / // . '�.";.,... \ --e - - -Ne - 0--'-�L- e ----- - - , I , , , � 1�1 - >< I./ ... � . ..... . . ..... z ,- - Sediment Trap 7 design : UL-DE-SAC - � :3 . � . ./) I- 77. 1 1 P'1 In/ Fv / ", ....... lt�� �� � � - I I I � I 1- 1- , X , - - '** / I �11 , - I 1.11-11111-11 I'll 111 '11'1'1'��L,L�����',��"�.11,11,�1,1"-iLLI' --��'����"'"��'�l�L-�ILLIIL'I",11,,'I�" I � � AIII-- ./, ./ - �, / .... Q-� --E�- j �- 0 1 � I � � 1�� . . . . "PS I ,.,/ . / I /,/ . I -- � , - 1-1 - - ' ` 1 11-11 � - , � - .. ...... "' . .......... .... � ; L ... . 111-- _SAN - SEWER,, / I -, * * I L� I .1 .... / . I / 1��&�- 41 - . .... �.. . �� I � I v I YAX-Lj� I - , I- . I I �- . . . . . . . X z < I / . / I / X // - I ... . . . . . . . . ✓ . . . . . . . .. . 11 �, w . I� I --� �� j . .1. .1 . . I ... x�<,- //z " " .... L 1� 0�- ' drainage area (acre _(<'3),i- . .. .... �"�'�-�L�'�"'I'�l,"�1-11,111,11-��L,� ... .......... . -.2�.'01'[ ........ .. . .... . - -T-----] . . .... .... \ \1 i � 11 :1 .\ .......... ... . ... drainage . . ......... . . I ... 11---l- ... L . .... . . -s)11 � � - I . .... !- i ,\,,. 1� 11 1�1 - ,,, - - .11, I OR4NAL I ----PROPOS * "'WOODEN * BA FLE � I I (mE-sT or stoNEWEIR i // - ... � , �, w ui i � � WJ44ME ' ' WEIR . . . . I . . - � - � I ,v z ... 11 -, 1. I � - . 1 ..... ,� - - - 11 . .... . .... .... .0 I r, AGGREGATE ,>- z -,,-,- ... j - trapvolumes:1 - ! ORWND i . �-] AT ELEV. 5.,5.0 ,� --, 1 � ...... I 1. I .) - .I. I I' . I I ....... � /zz -,- -�, I 1z . ... V, - z ,/� evation (ft) � area (sf) � I ELM - ... I . -- . . -- I - i � ""� I I Ar � � " - - ''I ... .:::�:�::::::�::: .., � el . ,/ / X/11// wi ry 1-1-1111 I -1'1 �'vo� 4 cy�)]11111111111. r .1 -1-1. - / / �- - " X -X, ----� .......... � I ' - 0.0 i NN L= 1 8% W= 1 7.3'- D - 2' '- �, .,.-. ." �.; " . � 11 ..... � � .� I - � I I - -----� -- 1� . 568.00 354.0 . , I ... � - -- . . 'Iz�� ........ I-,' 11 < '1-11 --- -1-1- .............. ........ ........... . , . - I-- ,,�, I - . .. / I ....... , . -�- , F,,�,Iy \ �� V,..,;I,,,� I'll �, C)','- ,----, .;",-- 1 7.:�.*;...; "I . � ..... ................... ... . * ..... .. i � DRYSTORAGE 1� - - - -, . " , PROPOSED 30" CL. III RCP RISER � 1 725.0� 39�2 10 �, . I ...... (D 570,001 '_1 - 1-1 ---"'--"'-I"'-'-'�--,--,�,�- -- .. ..... ..... '--- .- '� ...... . I � I ..... "I . .". - �, -�-' , - .... ;11 I * I RIM=555.00 � - - 11- . - - - I - 0 / , I , �Z,- . A---:. �1. \ I 1 �, 11 .---- . - I /// � - "� 11 ...... ��'.��r���."72,.,G,O1,227,.,O 111110'.61111 A - PROPOSED SILT FENCE �, ,--o� �,- , , 1, q, :.:.:.:�:.:.:.. I- 0 -1--- -, � ..... - 11 ...... -,-- - -,- - - - - . ''' I ........ - I . . . . / 0 � L �574,00� 1851.0� 223.81 E)W/WIRE BACKING (TYP.) , .. . / / -�7 7, 7 - - I 0 I --_ -- - �, , 7 /.�/--�-W- ---7----r---T-1---7-, N �- - 111 --- WEr STORAGE - I-- �, - � / - , 7 I I vMM 7 ...... .... . .. - - - - - - - - i PROPOSED 24 CL. Ill RCP BARREL / - i . - I i 575.00] 2202.0 298.81 (OW-VATEQ) � - - - I --- ✓ I,- - w , -� ..1z I � .... - /_-- - / / / -.4- - -1-1- ---- � --- ��-.-.,.�.�,�.,��������.�"-..--,.�,�--l'.�,�,c�,���,��.,���-��'ll,� - -1..1- F#LTM VLOTH ORIOkAL - ...... � ...... -- - I- -- . .-..,.,; I-- / I � .. ,���������-"�-�-��,�--�- � GROutto . 5-��, - --- ::-z--_ i 71 - .-.�,Cc�-Z,.,� - ..- ,80 LF @ S=0.5 % - - / / -i- -, -- �- -, - I � - m- � �, : 576.001 2579.0 387.31 - - - - - I --- " -- I... ....��, ...... -- I I / ./. - ,-) I/ / / --�- , .. . ...... 1'r -Ir , "I 1- I-- .. . ... - I � I nxv� - --- - � � - - - . �>.. . `� . Nx�:-:-:-:-�-,:. --,) I I - - - Z7 ---- . I .,.., -- / / " / I - - � �� / --- / ,.,- uj vvet story 9....:.. e: : � � i - I - - I . . , � .... � , '-- / , / / --- , , - / / ,- �, I i 11 ... �J r I -TE - . . f - . / / 11 � ........... " -SIX PLATE 3.1.5�-`[ - '. I.,. . 1, - ;,� - �, . . "I .111 I - � �111111 - I I 11 11 - - 111- 1�11 I 11 I ' 11 11I.- L", COARSE A0GRECA CLASS 1, RFRAP -- - ... .... . . . . . . . . . . . . . . . . . . .... . .. -- / / --� � I , / , , - � � -/- - 1)'-�- \�'�.. �. ,� � �', ` . . ... 11 a - , . .` . . � - ��. � .... .. . ." ... 1-1 - I wet storage required D 134.71 -`- .,.,. I , , I . . - . �� .11 ... ,-.s...-,�� � I -� / I I " I / /, / I �- 111- 111 I , jqy) �(�7* 1� ... .. . - 11, - -.1111 ... . .... -11-111-1- - -- - ... . ..... :,, .."t�n: ---/ / " � / / / .. . r - - - ... "I I 1�1* I �' I- I 11 / / .1 / 9--ge "IT-9 . - I N � � - - " ' """' . GRAPHIC SCALE ..I''/, . 7'. ., Z..' .., - � � I I I - - .....�...'. .... .,\ ................ .. , .i. I .. -.�-.-.-r;�-.- - . ..... �Z..z "' � (./ / Lu bottom of stone weir {ft).... 1 57Z 5 � - � i - . . �� . ---� , / . . I I'll i I .... \ li 1-1-11-11-1-1111-1 --- - .1.1-1. -, - I I- � �. '. I � :.,./.. , -:-� 1 .... ... .. ; "I , / -� i /' - I ,,;, . x . I . . - - 1;1* , ��;,�-- - :. I ./ � 0 - - . - 1. ......... I'. - I / '.*.,.1.,........ ...... -/ � I uj - 1. I �� .'. .... \ ........ � ' , / I / / / /S I .. "... . . . . . . . . . . � . - -, � �G S - ar-1 = .... .. I—- ' r ......... .. "Ill, 11, , " i 1.11.1-11 ... I --- � I .... r ...... . " 11 -11-11, 11 50 0 25 50 100 200 - - .� ..... V / - - - - / I / . . . . '. -.. 0 ... / / 1-11 Lu wet storage pro\dded � at ths elevati 138.9! I - � I , --�% *,'. *�\ ..... - - .-.... P SE 2�j R, / �,�\ -- - I / `�, . I 1, - 1-1-1-11" - �-99.(Cy�),�11--�-���...,� 1-1 -�,,�.�'ll".��,'�".��"."���- ,:�.'.': . / :.:.:.:.:: - , - ` - x ; � I -- . . ...... ..... Y!VERSION .." _;--- I I I I � : / -- / / I'll, . a_ V) . --� - * - -7. / I ! z ... \ . ....... / - . �... . -4 ......... ,/. I - , . - ! � I --�5�-6G, 8 , e sides 211 � � -- . . \ I * 11, I I I I _-, , , ,,-, ....... 1� ... / � . . // ... ... � . -1. .-� .......... - - ........... . � I V.,..Y ... -:� / / I I -- / ..'.'. '/' - . /.�.-, �\ . t ...... JOB NO. . I � . I .. � ... . 11 I I',- . . �,../.-.-...-.-.-. . . , , --�. -,:-.�/1,1-1-`/��.-.-.-.-.-.-.-.-/.-.-.- -.-.-.-.-_*CZ Mj I � . . ---- Iv - -,-�.-�-.-- . . . . .. I -- . - \. - \ - \ . . . \ ... .. ..... . .,. ' TOR �R .'! � 6' - . ENSURE ./. .'. I / .... " 7 - . . w M � I , -- .\:\.�-�-:-'� ----�� 7 . . 1�lk � " , , "' , , �� - - �- _, . / ,§!gp� � � 'I . ... . � pf � :spr_ �"..",,.�1.11�'ll,��-1.�..-�.-Il---,�-.�,,�l.-.�,.�.-.�.-�..�.,�---.�,.,�,.�.� -1-- ------- ------- ���...-..���.1-111--�1.11�..-.-,.-� ------ �4--�,�..--�...�.-�1-11�ll.-I'--,��.",�-,-.�.11.1�'ll",�1.1-1��,� 111-1-11 .. . ... .. .. - � � ... . � . i I I r- - / / � - �-, :-�xy� .v*ir*vuj0.-(q ?�)���,,�.��,�,,�-,�--�,�..'����-��lI .... ...... . �-��-������.�������.�,,�,���.�,�,� ..... 1I18-,11-1 --- �qrw =E!!!!!!- , - q RA � � 1 7 ! �:::: � "7�:::: � - � -::.,�,. -,:: � .� � ... �--�,,����,���,�,,�,�11--�-�.�-�1.11,11�.---,� .... . .... ....... ... .. ...... ! --- �-�..'�"..��l"..��ll,�1--�,��-�,�,-�� ... : � . * .... ;- / - - . -,. .1 .............. ................ / - , .. .... - . .. . /. � - - .. .... \� . ."-. . . .: -- / --,t / ,, / �-�-.-...-.-.-.1- �- � . . ... ....... . . ....... ;1 ..... .... .. � I 5r081 . I -- .. .., . - .... .. ..... -� - - � I i -- ....... \ , .��. --:'.. I - - I dry fora e: � 11 . ....... - 1.1-11 - " ; ...... . - . ...... ; ... - - ...... ... .'.....,..-] bottom of trap elevation (ft ' � � ( IN FEET ) \' � � , �� -� 7' 1 / . . - i. . I ........... -- ... . 1. -, , .,.:-... -. POSITIVE DRAINAGE, / 1� ....... . . . .� .... .. ../ .... j ........ I ... / 111-- .... � ... L ....... ----- 111 11 .... . ) ... � '" ' -�, - .... " ;<.\,.`�,*-�, - --�� , -- / /--- / . , �- . . 1 112072 � � 11� , . ., �.,: �:-, . . . . . . .. .... I ................... �/� � � .. -- 7 / \/ � , -- � . . '�, - - - �,. �. - -=.= -, � - - LO - DI E �7�1 0. NN . PB E // - ' ! / \ I "'* ....... k'.'. ... ..... . _ . : 8: I inch = 50 ft. - .�. .� 1�' / / - / 1��7.....-.-....-... . dry story e�jeq � . .1 - - "I 9�� (9y.) bottom trap dimensions: . 16'x2 , - �. . . - -:� - �. :�. . -�-. �� -�-' .,.�- -I- , --74'1 i / I PROPOSED -1 CLAS / . � . ./I ... 71'�.�.�-:�:�:.:.:/,......./.,.. .,,.��. t 1. I - -, .1 ... , 1111�1.111 �-l'.1-�l,"""",�,�",--"'."� --- �' 1,11,11r.." . ... 11 �1, 1111-1,11-1-11 1111-1-1-1, . ....... ... ... r ...... . r., .... 11", 11-1- - I -1 - - ' ' " �' - - . . � . 7�/-' ., - - .(-§ *P�N"'rr"�'l"""�,�""-��,, ... ....... . -r,.j�i:7J � . - ... � ., 100 -YEAR ONE INTO BASIN/ /, / / PROPOSED ' .. ti, \ / . -'.1.'. ., *.'.'.'.'/�'.'..' ... .. �'.. I � � - I 11 . . ... . • .. crest of 'stone weir 575.01 5761 -0- e-- �� RIPRAP OUTLET PROTECTION /. - *-'/-....'-'-'.'-1'1`-'-` _tqp of dam elevation (fo. - I - - I-- �, , 11 - - I ........ � I", 1111 .... O][� ... "I'll I - ,:�,.:--�.- - - � ) I - .... 1. - 11-1-11.111 ..... 11,11-1 ........ - 1 "I'll" � I -- 1r " - I I'll I., " 111- 111.1-1111-1-1111-1 .11, .......... L L L L L ' � L � . .. .. .... - . .... . ; - ...... �,�-- 1 -' STREAM BUFFER-� �-�--: .: -'.'.'. . / _j / ......i.... -op., F. ... � ............... / ...... .... � /.. SCALE � - I . --.-,o - (� -E --- --'& ----O - G -E�- E�- ---.e - 0-- E�- e E� I _ 00 I 6'Wx5'Lx2'D TY�P.y.,0 I / .... I ... -�� . '.'/ * .......... - If � . I . ...................... 1. y ...... �. ...... -9� top Wdth of dam I . 1 - - - '� -.-.-.- � ............ �..... �, , , - / I = .... .. 85 .*.*.,.. I ....... .... /.... 0q, s�q�age� provided at this elevatio I : --le - . / / W1 7.5% W2=1 8.5% L=75% D-1 * 4' ) I . . 4. CZI-, - ../ - -9-(cy � - �.. I I J§�. 111- ..... - � � - � � � � � I � - L. l-'�l��'1'1'�l"l��'�l�'11'11'L'�'�'. ft [ 11111111--, - - --j ...... .. ... I 1 1-1,111' - __ ". - - -, .-I7 ... = 50' story agem . ... ... . 'L I - - -1-1 " ' ... .... " ) 11 � , I .a- ----- -7 -�7, 1 -,,/ / / A,6,v"" /, . . ... i . ... � i � . G-� ......... �4 ;::.:.::.::...:7� � ,7t'. 7 . .. .......... ...... 1 4 - - . - ✓- I ! . , . . . . . . . . . , 4 1 : . . . . . . . . I / . . . . . . . T . . . . . . . ... . . . /.'-'-*.' - . . . ........ � - -b / / ,EXTEND. END. RIPRAP TO - EAM NK , ,'.' "' - - - ... , / ....... / .. , ".'.'.'. * -- .... - - . , ... 1 7 ... /. . ....... 4 .711 ... .... ... . � - 48')66' 1 01 .'q6 . . . .",� .0 . . . . .. . . /1 .,.,., / .N ........ �ELE . . . / / i "t�S�,� I slope dry sides 2:11 to trap dimensions �� I /�\ ::S . _ . . ... . .......... - / /t , ... ... �. .:T "I -� ........ . ... / ./ ........ - - ........... - � � .... � .......... ----- - - -,- - - - - -/ .;- - - -/ - - - - .............. / . . . - - - -:.:,.*" '' , . _ � / ... /.,. . . .. ..... ............ .... / ... .... ... - � ........................ .... � / 1�� ... . / . �'. -� . ...... - - - - - -N ..... I ........ lqw ....... 1 j , .'-. - - -7- -- - N ,,----- / , .... .. � ...... / ... II, ........ *.,.,.,.,z.,.. I ....... ......... / I 1 ....... / ... SHEET NO. -*1 I ��. . / ,/ . . . ....... -'-'-/-"-' " - - 1 , . , . , I .� ........................... ... /' , / '�--' '' I/ , , . . . . . . . . -� . . . � . . . . I *% -j , , . . . . * . . . .. / , . . / I . . . . . . .. . . .. . . . . . . . . . . / Cf . . * . . . . . . . .. Is /z, . --.,:::: �: . -r- * .'T . . . . 1 � ... : ,/ , . . .... � ..... ... .. ... � .............. / ... J 1. , '. ♦ / / -f ,......1... ..I ......... \ ... .... .. ... I ......... I I (D U) 0 a I- 73 a >1 C 0 " O -0 a) In 73 (1) -0 � od C- z = E 0 LLJ _r_ LLJ V) z 7(D0 CZ 0w � I V) 0 Z 0--, .c __j C " C) 0 - Q) 0 6 - , C: 3 (1) U) 9-- 0 C () 7C) (D C () (1) :3 -Z -0 , 0 3: - 0- Q) U) I 0) Q) Q) I- -0 e- x + Q O F (1) , -F 0 - 1 D C -0= 0 3 :D CDn �=, .E- Of -y -Li I'D (O Z 0 c: Z .0 () �0 :3 I Z - -i co C -1 0 0 () I- C o 1-1 >1 C C , Q) a6, 0 I LL -0 .S� a) �2 U) - :) c 6 0 x :�-- (D 0 =3 Q) I- -C - , 0 c Q) 0 0 0 U) -o C: -0 Q) Q) E :L- :5 E 5- -0- 0 -0 C: (D .2 M U -0 0 U) Q) U) > 0 • , -1 :3 C: U 0 C U) - C: S- -2 4) > 0- a) 0 Q 0) V) - 0 -C -�-- I- 3: 1 ®� SEDIMENT BASIN SB -1 WPO AMENDMENT SCALE: 1 " =20' 1 1 I ( ( t I \ \ \\ '� \ 1. 1 / / C l j 1 . .. I i I I I::: V..I \ \ \ \ \ /'' / I I I f I / I .. T ♦\ \\ \ \\ / I / 1 '\ \ \ 11 I /r / ,r , , / /' // If I �.:... ; l ( ' I It ,� r; ` ♦ \\ I ` \ \\ \ \\ __ / "rte // / / / ,7 I 1.-:.1 / I I 1 ! ♦1I \\ �, zz :1 s \ \ �\ ____Z_____" r , ' / / / � � 1 l !I lI J (/. 1 � , 1 \\ \\ r / J ' / / / / /. / ! M .j I � \ \ �` / i I I I �s ♦ \\ \� \\ � 1111., 11;11 r :. \ /.. \ ` \ {: r \ f.. f / ,1 1 �. \ / ! j /: 'f if 4 / 1 . / .. n \ s \ .J / 1 t t I / / f /� r l ' ( 1 I I \\ \ \ \\ / ( \ \ \ / r / c ; ! T / r r // / / � PROPOSED BAFFLE / / 1 /r' I \ /1 / ' ` "' \ \ \ 4 J / / / f f ! 1. .../ \ \ \ \ � / / it l I f `♦ fSED M E/N T / j / , / - . ; '. ��4\ \\ / f / / / / 1 r / LJ \ \ \ � / / / // // j / 1 / . ' / \ \ \ \ / / / i i / f , / ♦ \ \ \ \ B,/A S/ 1f / / / f J / \ \ \ / / ! / / . / �.. \ \ \ I "I r / / /' / ' / 5 `k \ \\ r / / / / / / / / / , r / ` \ / / / / / / .. . ./ �/ - <r/ �` / . `/ C v �0�5/ /f , ,, l \ r J // / f � // / // / - // ` r / ,� /Tc 11 mi i ,1 , //, - • I / f is I. // // / / // / \ X ,/ // / / / r - / / / / / / / // / / / / / / / / % 0 �/ - ' / SF / _ // / // // 11 // /f / /// // / // rr I/ / // / / // / /r // / // / ., 'rr SSF; / / / / / / r // / / / r f / / , r r / ./ / r SSF % // / ,/ / / rr rr // / // / / / 3o" RCP RISER / r r / / /� / , / r/ 11 r r '� /� r.r. // /SSA./ TOP OF RISER -555.0 I/ / % /' r/ // rf �' %r r r / / ,- r SSF �r, __ ,, // rr / 1 /r r r r �- /r r '� / /r / ,/' // // r/ r SSF r ♦ _ / / .1 - - - "`, � r / 51 ♦ 24" RCP C1.111 BARREL / / s r / / / / / r / / r . �' r /S5�♦ r r ♦ 8o LF @ 0.50% ,- �rm�,�l� -��i�� /SF♦ /r♦ INV IN.5SO.00 / INV 60 SS r i ♦ r OUT. 549 r / - r ♦ �/ / r / / r - - - -_ / r rr / / / r - F♦ ♦ ♦ % r r r 8 WIDE EARTHEN EMERGENCY r ✓ r /r r r / r r/ ♦ I / * OUTFALL SPILLWAY; ELEV. 556.75 / r / r r r / r i / / / r SSF / r r r • i r r / r r r / r / r 1-1 / / r / 1� . - PROPOSED EC -1 CLASS AI ---�� i / / / r / / r r r r t - - RIPRAP OUTLET PROTECTION / r / r / / / ,- r r r r - _ - _ - W1 =7.5'; W z= 18.5'; L =75�; D =14' � -/ // // �� 11 rr / Y .T `' ,. _I EXTEND RIPRAPTO STREAM A BANK ♦ ; r r i / / r _.�,_ -1 / / Ir / / r '' Sediment Basin #1 Design WPO AMENDMENT 344.4 dewatering orifice elevation (ft) 552.40 wet storage providedr at this elevation (cy) 344.4 available volume before cleanout (cy) (min. 34 *DP h1IN.i'W1$PILLWAY CREST OF EMERGENCY runTric�or SPtLiWAY drainage area (aCr$s) 5.14 distance from cleanout to orifice (ft) (> 1') 1.10 dry storage: 3:1 DESIGN HIGH WATER 344.4 basin volumes: (using 2' contour intervals), 5 55.00 '(25 --a STORM v.) 543.0 elevation (ft) contour area (sf) volume (cy) t rO, & I I 550.00 2910.0 0 � J-01 C (use 0.45 for bare earth) 552.00 4348A 267:0' 11 _ RissR CREST 554.00 5998.0 648.6 DRY " STORAGE _ � . - �. . AIERING 555.00' 6907.0 887 4 - wsT " nDRw� _1111:: _1. .,..:. 556.00 7873.0 1160.9 1 diameter trash rack (in) 558.00 9901.0 1817.7 ' head on barrel through errbankrnent (ft) 6.95 diameter of barrel' I -- �a�frir c�+ouT PoINr C WT ' STORAGE REDUCEi} 31.82 11.71 number collars required TO 34 CX /.. ACRE,) U wet storage: wet storage required (cy) (67 *DA) 344.4 dewatering orifice elevation (ft) 552.40 wet storage providedr at this elevation (cy) 344.4 available volume before cleanout (cy) (min. 34 *DP 174:8 cleanout elevation (ft) 551.30 distance from cleanout to orifice (ft) (> 1') 1.10 dry storage: 3:1 dry storage required (cy) (67 *DA)' 344.4 principle spillway crest (ft) 5 55.00 d ry storage pr ovided at this elevation (cy) 543.0 diameter of dewatering orifice (in) 5.0 diameter of fle) ble tubing; (in) (orifice+2 ") 7.0' runoff` 5.00 C (use 0.45 for bare earth) {}:S t c (rrin). 11 I2r 4.0 Q2r y Y 1400 1 25yr 5.8 Q 25yr 22.33 principle :spillway: 3;6 X3.5, available head (ft) 1.75 diameter riser ( in) 30 spillway capacity, Gip (cfs) 10.28, diameter trash rack (in) 42 barrel length (ft) 80 head on barrel through errbankrnent (ft) 6.95 diameter of barrel' I -- 24 Sediment Basin #2 Design drainage area (acres) basin volumes: (using 2' contour intervals) elevation (ft) contour area (sf) 568.00 2247.0 570.00 3036.0 572.00 3927.4 574.00 4918.0 576.00 6010.0 wet storage: wet storage required (cy) (67 *DA) dewatering orifice elevation (ft) wet storage provided at this elevation (cy) available volume before cleanout (cy) (min. 34 DA) cleanout elevation (ft) distance from cleanout to orifice (ft) (> 1') dry storage: dry storage required (cy) (67 *DA) principle spillway crest (ft). dry storage provided at this elevation (cy) diameter of dewatering orifice (in) diameter of fle)able tubing (in) (orifice +2 ") runoff: C (Use 0.45 for bare earth) tc (ruin) 1 2yr 44.0 Q 2y r 1 25yr 5.8 Q 25y r principle spill waw available head ( ft diameter riser (in) spillway capacity, Qp (cfs) I diameter trash rack (in) barrel' length (ft) head on barrel through embankment (ft) diameter of barrel (ire) design high water (ft) 556.75 top of dam (ft) 558.OA top width of dam (ft) 10.,0 bottom of basin (ft) 550.00 approx bottom dimensions: 13V X 40` upstream face' slope: 21 downstream face slope: 3:1 baffles`' YES length of flow, L (ft) 128 effective width, We (ft) 78 L / We baffles not required if > 2 ' ( q ) 1.64 collars: YES depth of water at spillway crest (f) 5.00 slope of upstream face (Z1) 2 :1 slope of barrel (Sb) 0.50° length of barrel in saturated zone is 9 ( } 30.61 number collars required 2 dimension of collars 3;6 X3.5, emergency spillway: YES required capacity (Q25 -Qp) (cfs) 6.1 bottom width (ft) 8 slope of exist channel (ft/ft) 4% minimum length of exit channel (ft) 18 crest of spillway (ft) 556,75 307.5 design high water (ft) MIN. 1' Wi SPILLWAY CREW OF EiIAERGENCY top of clam (ft) 576.00 z`w�rMOUT' SPILLWAY 4.59 DESIGN HIGH WATER bottom m of basin ft // J volume (cy) • (25 --YR. STORM ELM) Dom' 52'x72' 1.28 0 , , u -_ ____ _ - -_ 194.9 307.5 baffles: RISER ER CREST 573.00 - tfRY ' STORAGE :::, 70 308.1 452.1 63 4.0 OEMCE 779.0 " wi r ' STORAGE , _- ..:..rir .....:.:......:• O 621..001........ 0 1183:( collars: YES depth of water at spillway crest (ft) SEDIMENT CLEMWr POINT 0.4 slope of upstream face (Z 1') 2 :1 (' W E CED slope of barrel (Sb) 1.43% 7:34 TO 34 CM 31.82 11.71 307.5 design high water (ft) 574.00 570.88 top of clam (ft) 576.00 307,5 top width o f dam (ft) 10.0 1 56.1 bottom m of basin ft 568.0 0 569.Gt1 approx bottom dimensions: 52'x72' 1.28 upstream face slope: 2:1 6209.0 downstream face slope: 3:1 307.5 baffles: YES 573.00 length of flow,- L (ft) 70 308.1 effective width, We (ft) 63 4.0 L I We (baffles not required if > 2) 1.11 6.0 O 621..001........ 0 . QJa collars: YES depth of water at spillway crest (ft) 5.00 0.4 slope of upstream face (Z 1') 2 :1 11 slope of barrel (Sb) 1.43% 7:34 length of barrel in saturated zone (Ls) 31.82 11.71 number collars required 2 U dimension of collars 3.6'x3.6' 1.00 emergencpillway NO 24 required capacity (Q25 -Qp) (cfs) N/A 15.00 bottom width (ft) N/A 36' slope of exist channel (ftlft) NIA 70:601 minimum length of e>at channel ft mu ng h ( ) NIA 7,00 crest of spillway (ft) N/A 18 _1.111. . SEDIMENT BASIN SB -1 6" TOPSOIL Sediment Basin #3 Design design high water' (ft) drainage' area (acres) DESIGN HIGH WATER basin volumes: (using 2' contour intervals) ' (25 -YR. STORM UXV ) elevation (ft) contour area (sf) 623.00 1226.{} 624;.00 1656.0 626.00 2640.0 628.00 3729.0 630.00: 4919.0 632.00 6209.0 wet storage required (cy) (67 *DA) dewatering orifice elevation (ft) wet storage provided at this elevation (cy) available volume before cleanout (cy) (min. 34 *DA) cleanout elevation (ft) distance from cleanout to orifice (ft) (> 1') dry storage: dry-storage required (cy) (67 *DA) principle spillway < crest (ft) dry' storage provided at this elevation (cy) diameter of dewatering orifice (in) diameter of flexble tubing (in) (orifice +2 ") runoff: C (use 0.45 for bare earth) tc (min) 1 2yr 4.5 Q 2yr 1 25yr 6.5 Q 25y r principle spillway available head (ft) diameter riser (in) Spillway capacity, Qp (cfs)' diameter trash rack (in) barrel length (ft) head on barrel through embankment (ft), diameter of barrel (in) 4 design high water' (ft) °5 DESIGN HIGH WATER top of dam (ft) ' (25 -YR. STORM UXV ) volume (cy) top width of dam (ft) 0 153.0 53.2 62100 €25.27 - L�i2Y ' STt3R4CE 210.9 1,50 445.6 - WET • srol __ 1111 764:9 downstream face slope: 1176.1 301.5 baffles: SE0*4111'T CLEANOUT POINT r (' WET ' STORAGE REDUCED 629.00 TO 34 C.Y. / ACRE) MINI' WI SPILLWAY CREST OF EWRGENCt x WITMOLT SPILLWAY I _ RISER CREST DEWAIERINC 1111, MOLE 301.5 design high water' (ft) 630.00 626.77' top of dam (ft) 632.00 301.5 top width of dam (ft) 10.0 153.0 bottom of basin (ft) 62100 €25.27 approy, bottom dimensions: 26'x61' 1,50 upstream face slope: 2 :1 . 18 downstream face slope: 3 :1 301.5 baffles: YES 629.00 length of flow, L (ft) 55 303.8 effective width, We (ft) 78.6 4.0 L I We (baffles not required if > 2)'; 0.70 6.0 O 621..001........ 0 . QJa collars: YES depth of water at spillway 'crest (ft) 6.00 0.5 slope of upstream face (Z 1) 2:1 8 slope of barrel (Sb) 1.0% 10,13 length of barrel in saturated zone (Ls) r37.53 16.09 number collars required 2 U dimension of collars 3.953.9' 1.00 emergency spillway: NO 30 required capacity (Q25 -Qp) (cfs) NIA. 24.00 bottom width (ft) N/A 42 slope of exist channel (ft /ft) N/A 49 minimum length of e)ot channel (ft) N/A 7.50_ crest of spillway (ft) N/A 18 - .SEE PLATE 3.9*.a -3:.. ._ .., ... 111 _ ..,,_ ', .111 25 YR. STORM 1.0' SEDIMENT BASIN SB -3 6" TOPSOIL EXISTING GROUND NTS EMBANKMENT HEIGHT 8.00' 10, 42" DIA. 15" HIGH TOP OF DAM ELEV. =632. I I 16 GA. GAL V. STEEL I\ ANTI- VORTEX DEVICE - . 25 YR. STORM 2.0 MIN. -1 ! ; ELEV. = 630.0' << _ - 1 1- I =11 l RISER TOP ELEV. = 629.0' 1.0 MIN. . «: <:::: >:::: >::: 30 DIA. CMP RISER i I . _, 11:1;1 /, Ill.' ; ;, 1' SCARIFIED KEY FOR <. F,. SOIL COHESION I -1 t 6 DIA. DEWA TERING 1i -III DEVICE- TUBING _ INV. OUT = 622.5' :_ 1 ' 1;:1:. UPSTREAM TOE OF DAM "`'' EXISTING GROUND �: °,, MIN. 30" COMPACTED rtx SOIL OR A GGREGA TE 0 VER BOTTOM OF BASIN BASE PLATE ELEV. = 623.00 8 x8 xl /4" THICK GAL V. C AY CORED DAM STEEL BASE PLATE KEYED INTO THE EXISTING GROUND IN V. IN = 623.00' 18" CMP BARREL (2) 3.9' X 3.9' GAL V. STEEL LENGTH =49' ANTI -SEEP COLLARS SLOPE =1.0% EXISTING GROUND NTS \ F \ I . -- - -- - - - -- -- -- drainage area (acres) ( <3) I \\ 2:1 EMBANKMENT HEIGHT 8.00' _ trap volumes - 10 42 " DIA. 15" HIGH rr TOP OF DAM ELEV. = 558.00 "° EL 16 GA. GAL V. STEEL - .SEE PLATE 3.9*.a -3:.. ._ .., ... 111 _ ..,,_ ', .111 25 YR. STORM 1.0' MIN. t\ 1. 8.7- .__... - _..__.__ _111.1.__ _._.___._ -_ 1_____1'1- . - - ANTI- VORTEX DEVICE 1 f =ELEV = 556.75 _ __ 1111_.__. _11 99.3 1111.. ...,._..,....... ,..._ 1111 DRY STORAGE +� ; i I_ I -I I ( Ill; I. EL V - 1.0 RISER TOP E . 555.0 - t MI N. ,. .. �::.:.- ..��:n 30 DIAL RCP RISER (;; O 621..001........ 0 . QJa CL I' (_ • .3161 622.001 3682.0 496.5 1' SCARIFIED KEY FOR .I I1 -,1 ( 7" DIA. DEWATER/NG L91--4O�// � _j W SOIL COHESION Ill ='!I) DEV /CE- TUBING Z OAV INV. OUT = 549.60' Elfti. 11111 . - UPSTREAM TOE OF DAM U EXISTING GROUND ELEV. = 550.0 - MIN. 30 COMPACTED -1 I ; ■ - -- - - . - J /' _ - - i - - - -- -- - - -- Lp - - Q3 g. f, , - _ - - - - - _ - - -- - - - -- -- v _ - v ------ F / _ ° _ ",J . N, /`!f % /r, , /' :- ------ -- --- ---- -- ---\` -' .-- ` `\ \ `\ ° 'J / '/ \\ `\ \ `\ / J / - - 0--"--'-' \'\ \ \ \ 11 o - .� \ 11 - *. ,'' fri ,�' \ \\ / ' / I r / / / , / ' - - - -- - - - -- w ''- ` - - - - -- _ \\\ \ ' \' \` \' \ _ - ' , j / ,-w \ `\ `\ - - -- ` / ,' r' /r' - ----- - - -___ "_ - - -`\ ' \\ '♦ ' \\ \\ `\ r / ! ' -' - - -- 1 / / / I ♦ , / I, J % r J _ t \ w /l \ \ / r r / " \ \ ------- 1 / , . , \\ % /'.-, r / , . --------- - - - - -- + \ w - \ . - ,' r r , / / - - - - - \ 1 -' / I --1- /. , ✓. /� \\ \ ! / J J I / I //, , / - = -- \ t \ \ `� I \ \ \ \ t �\ / / ' / __- 1, \ \ \ - -- / \ 4 f _ - -- \ \ J ! - - -- \ i y/ - - ,J - - I ./ 7' /` \ ' - , .028 ., ,' l ! ' f 1 !I I / - -- -_` °\ I , ! I \ \` ` ` ` ` `` \ - _ '' ! J r 1 / ' ________- `_• -___ \ ` I, I - -- ti '• . 'i i ., / . r l \ 1^ . J. r / II / P/ -`'� I i \ ' -, ' \ J ! / r /r , - -- -- _ - \\'\ t I \ -\ ^�. '' 1 !' r 1/' j'� ' '/ - V. % / r Ir r ! t,! ! 1)& - - - - - -- - �\\ I I t \ \ t \ \ \ ' ♦ '`\ - _ I / is ''` \ \ \ - -'',` Jrr ''/ ' / // ' - - -- \ ti 1\ \ \ ♦' \ r ' '- . o . P ' i ' / �- ` / -r� I I I \ \ I 1 1 i\ \ \ \ \ `, \ \\ \ \ / i J /r / I, / - - '- I I 1 \ \ `\ . ' . , 11 ! 1 I _ \ `\ - r- / 1 I r ; 1 I, t: ;.r J� --'_'\ I V I 1 \ \ \ \ !' 1 ' \ \ \ ! / ' ! ! i ' ' 1 \ \\\ . SF' 7 1 `\ \ \ r J ! ' , \I I I \ \ \ _ \ \\ ` / r `\ \ `♦ ♦\ `\ ' r / .J/ ! J -- I 1 I \ . . , - . . _ I , I' . II : '\ \ \ - 1 1 I A 1 V t \ \ \ - \ _ _ / 1 J \ \ \ \ \ \ -- - -'` / j ! r J / /' - -- I j `\ `\ \ , !' ., I f. /' 1 _ \ \ '' / , ' + I °' I \ \ ` \ -` ` \'` - - - r `\ \ \ _ /' ! ! / J ' w 4 I \ 1` - P ! ,- I '.; , r j ! 1 t i I , w 1 ` ♦\ \ \ ` ' / _ 4 I 1 -- j _ \ ,,� < - -'- _ �, -.,.. -4- , \ / / i I ( I' f ! 1 I i ,. - :�\ °\ \ \ / J / ' \ \ w -- I t I 1 I 1 4 \ _ - , , I ! \ \ \ -- l t--I 1 I I t i i I °`\ ' \ i \` \ \ ` \ \ \ ` J J r' _ '`\ \\ ♦ \ ` ` -- ,'r / J / I , / _ 1 1 I 1 ` \ \ J/ ! , r i \ .. ,ir' t 1 , i I , . \ f \ \\ \ \ \\ \ \\ '\ \ \ \` \ \\ \ O`7 _- - r J w\ \ \ _.- / 4 1 \\ \ 1 / 1 \ ,t \ '`\ \ `, ` \ ` / / I J \ '♦ \ \ \ ----- - - - - -- / J I / / / J _ 1 1 i \ w - _,\ I i 1. y.. / I ! I s C \. \ \ \ \ \ ` \ \ \ ` \ \ \ / ! J ! . `\ \ \ 1-1 \ / ! ! / / 1 r J t I I \ \ \ ° -- w , V 1 ' / r / i f t' / ! -a- \ _ �� \ I , < 1. . I 1 I 1 1 1 t ". \ \ \ \ - _ \ \ \ _._. r I r l r , , t } \ I \ \ \ } \ \ \ \ \ \ \ \ \ / / / \ \ ! ! I' t I I \ \ I -1x ,t I\ , -' - ' -r-. --- 1 , \ 1 �\ O` I ! - 1 i I I °i `Sd.' \ \ t \ \ I \ \\ \\ \\ \\ \ `\ - - I/` / /� J ! - \ \ \ ` - - - - i J I r II , / r - - I i i , \\ \\ \ \ \ \I /r/ i _;,�� 44 + � , I 1 � I '` \ , \, 'R OROSE MITIGI'•\TIO�J AR•FA ,! / � \ \\\\ `\ `\ I t I , , , } \ \\ \ t y. r r I r r _ _ �' l I t I ! 1 \ \ , -- \ r r ,'... \ \ } I 1`\ J. t /I /, /; //J / , \ ' , t , ! ! ! I f n 4 i \ \ \ \ \ \ \ , ' �\ \ ' \ -__ -_" I l I / \ ` \ \ ' � i SF I I \ + \ `� �\ j0.74 ACRES \ \ \ \ / ! 1` ! \ . \\ ° � / , r / \ \ \ \ \ ` I \ t J t It \ I v 1 I I , .✓ \ ` \ \ \ \ - _ i' l \ \ \ ° r , l I r \ \ \ \ \ \ \\\ \\\ `\ \ _ \ \ \ \ \ \ \ \ \ ♦ / / / / \ \ ! ; `\ ` _ � .J , Q�� i . 7 !/ t l . i!.. i t \ _ y _ I_ � 11 4 ! 1 7 + 1 1 t \ \\ \ \\ \\ \\ \ \ \ \\ \ \ ♦\ f , i -w ♦ ♦ \ \ , ! r •\ \ 1 \ \ 4 O - •.. , I ; I � - r 1 1 i t \ \ \ \ a\ \\ \\ \ °'` 1 r/ / 7 r / �` . \ ` 1 % ' l \ \ \ \ \ ` \ \ \ \ \ --\,- 11 \ + --- _ J/ Il . J. '\ .I .<, t 1 f ! I \ \ \ \ \ . \ \ \ / /' 1 r \ \ \ ` °` / ! I 7 I ` \ \ \\ \ \ ' \ \\\ \ ` w -\ \ C I \ \ \ \ \ \ \ I i I t r \ . ! \ \ r. ,"'-? I J . / t. I/ ' / . r? I �/' l ' f i ! i i % ` ` .\ \ \ \, \ \ \ \ \ \ ' i 1 ! I ` ` \ '' I t I r _ _ ._- J ! X I . t \ \ `\ \ \ \ \ \ \ \1 / I 1 i \ \\ \\ \\ \ -,, l I , 1, I J II / / \ `\ \\ \ \\ `\ `\ \ `\ \\ `\ `- \ / \ - r I \ \ \ \ \ \\ - -\ \\ \ 1 7 , \ \ \ \ \ ♦ \ \ \ \ \ I. / . -/. 1. I `I ' \ ` \\ '1 \ ' `- ---- -- .' I t l \ . \ ! Jt fP i l / \ \ \ \ 1\ \--- \ \ l- - \ ' / / r I - np� - i Il 1 t ! ` r `\\ \ `\\ \ •t / \`\ \ \ \\ \ \ w , ' Pt f! i / '`\ \\ ` ♦`\ \ \' ,' ! /I I J' J \ • \ \\\ \ \ `\ ` \ ♦`I `\ ' / 'I ', / / ' J` -- `l_-_- 1 i g I f V. J .' / I / r 1 t, 1 I I I Ir \ \ \ \ \ I\i \\ \\ \ \ \ \ \ \ \ / J i i \ \ � J I P / r J ♦ \ ♦ \ \ \ -..- \ - _ , 1 j \ \ \ \ J r ! ; \ \ \ \ \ J � / r , I I r \ \ \ \ - ---.- %•= r,- .rJ / /� .r t� 1 .. ! �t' / 1 . i � ! �.,/ ! 1 I 1 \ `\ t t ' \ \ \ ` \\ -\ - -- ! J "\\ \ \ \ `- -- - I Ir '` \` '\ '' '\ \ `' ..-- j J / r . 1 . ! 7 - f 1 :. / i . I r ,' j I riM r l ♦ ♦ t \ 1 \ \ \ \ \\ / / / I / \ \ `\ -_ , I / I !1 \ \ \ \ \ \ , / / r' 1 I I ! r I .4 r f \ \ I I \ \ \ 6 / / r - ' \ \ \ \ _ ' / t /I r \ \ ' \ \ ' \ \ \ \ ` - - - -- ! j J i 1 f I F - ,- ' -/ L t 1 I \ % 1 t i , I ` \ \ \ \ `\ / / I r r' ` ` \ \ / / \ \ \ \ \ 4'... . //� r \ 1 i !. �. I Y 1 I \ I t 1 i \ 1 \ \ \ ` `\ / / / I I I ' / 1\ \ \ \\ ` ° r ' ' / \ \ ` \ \ ,. i I i \ I \ \ l \ \ \ \ / r „/, J . ( , t ,• , I f I \ \ \ \ \ \ ` \ / ,' ! % / I , r - \\ \ \ �° _ - - / /' I / i , °`\ \ \ \ \ \ \ \ \. I T . t . I f _ _ - / ` , h ,J JJ / /I I \ , t \ , `\\ `\ _ !r I' 1P r '` ! ♦ w ,� ` - ' I I` , / \ _ ♦ \\ \ '` \ ` \ \ ,�� , /J j J / l � t Y' ' I I I ` - �= / -;* Y �. �-n.M 1 I \ ` \ \ \ \ i I i `\ \ \ \` `\ I ,i / I /' I, ` ` �'` \ f ' r/ r' / \ '`\ \` `\ '` \ `\ ' \\ / -• i 1 f / , / , I r 1 /'' ! + \ \ , t \ \ / ' JJ , `\ \ " \\ _ / - _ /r' ! / \ \\ \ \\ \ \ \ `�` /1`_- \ - / ' ' J I -�' / ". / I . Y 1 r It } \ , \\ \1 ' I 1 \ \ ` \'° . . I r , I I \\\ • \\\ `\ \ \ _. -••, r //r \ \ \ . \ \ \ ` \ ° < - j, ' . ,/ ! i - ---- "i-- . I I F 1 _ i /. r I ' t . I I \ \ \ i \ / / I / \ _ / -. -+- r' \ I ' _ l / . , . f . i t . rr i I l \ \ \\ \ - --- \ \ \ // r% r - \\ \ \ \\ \ \ \ ".•-\ \ _ \ \ \ r / ' , / ' ` i -1 / ' I ' /' I I I /) `\ `1 `\ `\ `. w �' % 1! ^� `- -- !` / ` °\ \ \\ ` ` \'' _ ` I',- \♦ - J /' / ' t i I ' _ - /' , '`2 . ' . i I. / , I t \\ \\ \ \ \ I \ \ `\ \ - -' ,' 1 \ \ \ \ ' , I / / ,'' _ \ \\ \ \ \ ` `` ' ` r ' II + -' �, -/ /' J ,91 / ' ! ' I ' \ \ ` 1 \ I I ` \ \ - / l 1 I ' i \ `\ `\ ` _ ' i i ' r `\ '` \ `` `\ \\ '\ \ \ - 1 - /' / ' / I r. ,'; $ ' r I j ' 1 \ \ \ \ w ( I r J / , \ °- \ / J J / -L - i/ F' J / I J ! i I t \ \ l \ \\ ___ !J \ \ ---1 /' / , ,/ ,/ yr `\ ` `\ `\ ` \\ ` __ ' / \ \ 1 1 f \ \ \ \ _ \ \ \ \ ---7 i i /' / 1 I I I \ 1 \ \ I I , \ \ \ / / ! r t \ \ `\ ,' ' i r , / `\ `\ \ \ ` \ .i',/ /�` ',' \ .t }t1.' /' .rl. r / fl t, 1 t +\ \\ \ \ 1' \ % / / / - - \ ♦ ` \ \ \ \ \ \ \\ - \ r / \ i J / r / 4 t 1 \ \ \ \ 1 1 / 1 I 1 \ \ `- ° ` J / r \ \ \ \ f ,�. ~, - j ,,' . J' '/ / J' \. 1 , 1 I - + - ..7,/� !rr J ,, ,. 1 1 j` 11 \ , , \ + \ \ _ '' / r 1 I i i _ \ `O \ -- I / / J r `�' \ . \ \ \ `. °- `1, - 1 'J./ r I/ r , ' .l + I '\' / T ' / ' / t i 1 \ \ \ } , t \ \ L1 t 1 i ! I r \ `\ I / 1 / / / °` \ \ \ \ _ ,/ '� .,_ , i ' , .- �/ ---,- '-', --Y .� / , / / t \ \ y I 1 , I \ - ` - _ I I I / ,' `e \'`\ \ `\ J t 1 ' ,- ,' / \ \`, \\ `♦ \ `\ �' -i I / / / 1 ' .} , / , / // , I I / / 7 !/ 1 I ,, \ \ 1 1 t t \ I\ \ t I \\ -ti. - ` / V 1 i j °` \ \ __rJ i I � r / \ , `\ \ \ \ \ \ \ '\ \ _- / / �` ,` /-• / / / I ,•'� I 1 \ \ t t , \ t \ / 1 1 \ \ / J / -/ ! , - / . \ b \ \ - , / J I ! , \ i \ I t 4 \ + \ ` _ _ - - / 1 I 1 \ `\ / t I , 1' t \ \ ` \ \ \ ` _ 1 1 . \' 1. 1 C / /' ! J / / 1 P t \ I \ \ \ \ I \ ! I ! t' I J !/ \ \ \ \ Opt' - /_ , I , _ ` \ ;` I \ '`, 11 /I J. ,/� i t - - i rlJ 1 1 t t \ \ \ \ -- , ` , I 1 \ \ \ 1 f Jr I \ , \ '\ ' ' `` ' / , � % : t. \, ' _ C j . , I , f I I ' , I , I \ I \ \ \ \ \ \ . \ , / / i 1 , \ \ \ / I I /I t \\ \ \ \ \ \ _ f 1 w f, - w - .., / - \ 'J --' /' /' ./ !/ / l 17 I \\ I \ I \ i\ \ I \ \ ` -- w ` \ ! \ ' It 1 \ \ / - I1 1 \,\\" ° \ \ \ - /` _ f ' 'r` J ! /' t \ -e T - I/ I ,' 1 \ \\ - -- \ \\ \\ / � r, \ \ \\ 1 \ \\ \ .\ ` \ - - - , T , J ! / t ' \ ' /` i r/ r !I ' !!! \ \\ \ `\ \I `\ \ ` I r J I I ` \ ` ' \ \ / l I I t \ \ \ \ \ ` - I /' \ rf • 1 1 Il t I I 1' ' \ '\ �, \ \ °° \\ '\ '\ '/ /', I I I /' I! `\ `\ \ \ i I I 1 \ \ _ 1 / ' _ -.--f \ \ / . "I r r! /;!1 i I \ \ \ `\ \ \ \ \ /' / r J / \ \ \ \ I I I 1 ` \ .\ \ \\ - - - - --/ h a \ \ r ' 1 \ I ` - " - -- ' ' / �r i I / / 1 I \ \ \\ \ \ \l \\ .'` / / \ \\ \\ 1 I I \\ \\ - - -- \ \ \ - - -- - 1-G /` / } \ y \ / \ /; , \ i , r r t \ \ I. \ \ \ \ , J / \\ \ ' � i i i I `. \ `\ _ f -_ ;� , . I TRE_AA7#�$UF -F R I t ! I \ I \ - +S+S , , J - / \ - / i r ! t t \ \\ \ 1 \ } \ - /� i i r ' \\ \ I I ! j \ \ °- - L' / - / J \ ' - - _ ) J ,• , l , I \ \, \ , \ , !' - -_ \ \ \' I r 1 1 I 1 \ ` \\ ` ;. 'r L! I ',. / \ - -_ �z�- ,� l i / 1 1 \ V _ -- - " \\ - -- . ! , / \ \ \ '\ I I ` - -- ♦ \ _- /.J ro-rl .' r -,' _ r1 , I t , ! \ < < 11 \ 11 l \ \ \ `\ \ 1 `\ `._,- - `\ L 1 ,,' ! t P !' ''\ \ \ \\ t I ( I t I } \ \ \ \\ \ \\ �. . 'r ' / .• C r - -. t _ _ _ I .-, I t I t \ \ I } 1 7 \ \ \ - , / , / 1' / ` ` ' ' i I 1 } \ ` ..\ ` `\ _ � /' . ; � Q 101 ! . ~ '` °' .�. -- - --- -- �, /, ' II .y «, f%. 11 I t I i '\ `I } \ `\ \ - P I _ \ \ \ 1 I \ . \1" \ \ -- / \ \ _. i l \ / F I \ \ " \ ( 1 1 \ f. \ �' -`-- _�1_. -, . ! . �J . , ,� . . ' r 1' I' ' ft 1 \ \ i \ \ ` `` \ \ I / 1 \\ I \ \ \ I 1 ! ! 1 \ \\ \ \ -- ------ / / --- ,' ' / J. / , _ ' ' ! , II I , it i ! , \\ V \ \, \ \ \ _ '' i \ \ \ ?; 1 1 \ \ \ \ / '~ �`/ f, ./. r'. f/ i �` �' ,1�, �, 7' - ! irl I i \ t \ \ ` \ ' - - -- i ` \ \ \ __-- - - - - -- /f / ! , i �' / `\ \ `♦ ! t , 1 ',, \ '\\ \ `\ /' r �. / - \• ^ �� / 1 r f II , \ 1 \ \ \ ♦ -' - \\ l \ \ \ / ,'' ! I , \ \ \ \\ 4 , I ! I t ice`\ \ \ \ \ `-.-. - -'-- ' / ! " ' \ J I / r j 1 1 ! \ w \ \ ,'' \ 1 \ \ \ ..� , , I ,� \ \ 4 } ` /, . I '"' / :` `' . \' - ,, i ! r. I r ! i\ \ y ___ \ -- _ \ ♦ 1 } t I \ 1 } I 1 \ \ \ \ / L. F. I 1 ' t \ \ \ \ \ \ \ / , \ _ _ _ y \ �� / / // / r , \ . \ \, . \, ,. i 1 I I/ r 1 P t ` ` ' 1 \` \ .-..- '_ - \ i I ` \` ` - - - ' I 1 I ` ` ` \ ` _ t I I \ i ` `` ' / kj \N �` `.,� ' / .' ,, \ \ - - - -- � ! \ \ -- - - -- / ? k -. - v'.� ! / , II J t I 1 \ \ \\ \I \\ \ \ \ \ / ,/ , 1 , I ! \\ `\ \ \ \ 1 \ 1 \ 11 t /\ - \ \\ `\ \ ° / *, iR ,r j. /I . \. x x ''\ t/ / / /', r I 'I•� tl 4 \ A ,�PROF'OS,ED�TR`I =AM BUFFER 1iAPACT - - -- - - .' ! ! j ; `\ t \, 1 \ \ \ \ l \ +\ I I r_� \ ` .\ \ ----,/ f // - ' _ , • 1, .1 \ \ AREA (0.46 ACRES tOT ) ` - - -- - ' r , \ \ \ ` t r , - -- 1 -- '`\ \ \ \ -- ./' J/ . ,, '. i' /'I / Z/ \ \ ` ` \ \� \ \ \ \ ` \ °\ _ - '--- - - - - -- - --- / /' i ' ' \ \`\ \ \\ \ \ \ \ \\ \ 1 \\ \ `` \` `\ _ ' , -\ \ \ rr , / . % - 1 i // _ \\ •' 8: r�.;x.,. / j/• 1 I \ -. \ \ \ .4 ' r / \ \ \ t \ \ \ \ \ I \I \ \ \ " !,, \ \ 4 \ I.w .w1 - -- i , _ j/. .\�` \ s\, t ,\ \ \\ \ \ \ \ .'8 - ----- i ' i 1 \ I \ \ + \ 11 \ \ \ \\ / , ♦ \ I \\ 1.' I I - I- '!. 1. \ \. N .��Q , ."' - /. ' ' r ' \\ �i \\ ti - ____ '- I / 1 1 I f 1 1 \ \\ \ \ \ \ \ \ \ I `\ ° \\ -_ \ \ 1 `° / \' _ r / - �`" ` w �7Q - _ ---- - - - - -- -- 11 I \ \ \ ` ` \ \ \ , - - -__ \\ \\ \ \ ` <._ v. y ' (- \' \ . •/ , / ,' { `\ ` \ ---- --- - - - - - - - - - - __ --'\ I I ! \ / I \ \ \ ; ` \ J \I -` Ik - \, - , . / ./ , ,' / \ \ \ �' -- -- -- - - - - - -- -- - - _- --- - - - - -- 1 I 1 1 1 `\ \ \ \ \\ \\ \ 11 11 \\ w `\'\ ` \ `\11 `\�._ - I 1 , ! `� > - '/ ' ,/- , t\ '\ ` ` \` - --- -- -.-" - -'-_- -- -- - ! I t 1 I t \ -'/ \ t 4 1 V 1 I 1 i \ I 11 `\ \ `\ \ \�'.� rI / `� . '`'\. `� \ r / -'/ ,' /' ,/ / t I'\ \ \ \` ,`\ \ - -- - - _ 1 ! 1 I I I f \ / t t , 1 I i _' !\ "I ` � -- ; -" - - - - - -- - - - -- -- I t -- - / f \` `'` \`. `'` `°~'-41 . ��/ �' I \ \ � \, 'ww_. -N -' - - -/ !.� /' /,/ y�%� I I 1 \ \ - -- - - -- - --- I I 1 I \ -- -- / , / ! ! / , 1 \ ,' -- -- \ '',� ;/ C F DIST- URBAN_CE _ - / � -'- - ` ``\ \ \: _ 56C� - - - - - = -- - ----- - - - - -- _ - - - - - - _'__� ' ` \ _ /! / //I '/ I1 11 %' _ -/ r. \ ` ` �-�� ` \ -!/ ;ii \ \\ \\ PROPOSED Mll IGATION AREA - - , \ - - - - -- i' - \ \ \ \\ \ 1 I. T--- I ` w r ___-- -�' -- . / / ' % j / .y , - / I1 \1 }} 1 \ " -' -'- -- J - -- - /! , j - ' y l \ �`\ `\ \ \ '\ ` \ \ , I 1 ``- �s��s - �' -.- �"�- -" -1 \\ \\ \. _- -_ - -_- _-- _ -_ - -- / \\ i i 1 `\ / /� /, ,J ,, t � / cp \' \\ \\ \ ` \\ \ \\ \I 1 \\ 1 1 J ! �' `\ a�'�� r -- -'- = �,,�•,r- - - / - - - - -''/ V % \ ,h \O -- 'E-\7"r ___""___ -\ /' t \ \ \ `\ - - / , , , - - -P\,,n \ \ \ \ % I I �' i r , -,1 1\\ `._ - -��J�- - -- - - ,.- -, jv \ 1 \ \ _ ___ __ - - -_-- /` ' ` \ ,i\ \ \w _ -- , - / , /,, `\\ \\ \ \ \ I I I P I 1 ` `._ - -- -_ - ''`�'Z< - I r�„ - I / \ \ _- -- _ - /! - , , .14 AC \ \ I i r _ _�' -- - - _ _ f Y` ` \ PROPSJSED MITIG �J AR �\ \ \ \ - \I i `I lk'R�POSED /I I'1 °\ __ -- - - - �4 _ _% _ (2.38 ACRES) w \ \ \ '`\ _ _ = l - _ /- \ _ \ JTI A \TION.-AREA -- ' J �-- �_ - -- ' � - - -- ''-' / _ / _ - -_ `- .; \' \ \�u----.------- :s A1eR S�- .- - - _' / '-` - -- ,.- ,- .� ,... .r Y _ I' - w. �.}. - - - \ \` \`\ \\ °-- - - - - -- _ / .,, ,, - - / _ - I o- �\ ; \ \ \ - _ - /MITFGA'i`i -OPT- A - -- , / `� `� \ ' ----------- _ _ /\ _ �y, �+ - -\ \ '\ \\ __--------- -- -- � y, yam,• `' -- `\_, - .'-�� - -\- - - - 1, -- --l�t-- -- I ", , '-- I,- -- --_---_-�--- , ---,- -- - 1, Z-z -1� --- - - -- ---- --- -- ` -- �- '} PROPOSED - \ -__- -__ - -- ?---jo __ ° \ - I 11 w - -- , i M GAT-IGN R1= _A -- I I A t -- - _ - - - - _ -- - "_ .r �� `� _ T - - - - - (0.1_0 AGES} - -- 5 '`'� \ - - - - -, ' - --0-- -o-- - - - -- �- _ - e' g. 0' - - - -- °� \ \ \ d- EY NE - % . -s ,,Z�OFWE m I - Sy, a \ --- " - -_- i J, , -__\' __ "v r549;J' 8$ \ \ -M `S ®- "X XI r f a. A " N A Cz - - -- PROPOSED MITIGATION AREA ' I - - - >' �'`s - '�--- / \ w % I \ \ - -- - -- / LEGEND: (0.24 ACRES) "\ '\ s - '______ -__ s ' ( + \ \ \ \\ \'`\ ; -- \ \` s , � � EXISTING STREAM BUFFER IMPACTED WITH THIS PLAN = 2.40 ACRES REQ'D MITIGATION = 2X IMPACT (4.80 ACRES) / i \ ` - _ ` . \ \ w \ \I I // , \ \ `\\ \\ \ g -- - www \ \ / \ w I/ I !' J/' !1 \ ` I -I _ CZ - \ ,� ..� ` \ r.. ' - `I_ - ^ \ \ -- // ' ' / : i - _ w _ ` \\ 8 `ms'``s ` ` r \ �` ---" I� , a� MITIGATION AREA PROPOSED WITH THIS PLAN = 4.81 ACRES 'f�� w ww w° ° \w w ` 11 , w - \ __ -' - _ ____ _ PLANTINGS REQUIRED FOR MITIGATION AREAS: _ _ w HARDWOOD AND /OR PINE SEEDLINGS 4.81 X 600 2886 w ww - _ - ----, ` ` w`° `� \ " 1 \ \\ / 1 ` ` - ---- ------ - - - - -- w�� i \\ _ \ ' -'`\ w w �\ 'mow C��t�% - `� ` ` / iii C -- - -- ` - 2j `� -� \ / _ \` -- - - - - -- ' ' \\ \ \ i - -'` OT '�;_ \ \ \ \ \\ \\ -_ - \ , \ \\ ��_ _.s / 1. SEEDLINGS SHALL BE PLANTED AT 8x8 ON- CENTER WITH TREE TUBES AND MATS IN ACCORDANCE WITH THE "'� ` `\ `\ \ I ` `So ,' `\ w - - -- I -I - ` - '� CHESAPEAKE BAY LOCAL ASSISTANCE DEPARTMENT RIPARIAN BUFFERS MODIFICATION AND MITIGATION % \ \ \ \\ \I` \\ \ / --' r_ - -- ` -- ---- - - - - -- I - � 1\ \``- \' - - ` � \ ``� -s a / GUIDANCE MANUAL. \','' N:\' I i% `- � -- ' °\ � ` - - - -- '`_= = = = = -_ - - --- 2. PLANTINGS REQUIRED FOR � \ w _ ° \� `` r , f N, - _ -- --- _ - -_ -- E,ylM 85% OF THE TOTAL LAN IT IS A GOAL OF ALBEMARLE COUNTY THAT A MINIMUM F ___ _ _ _ _ , _ BUFFER MITIGATION BE NATIVE PLANS FROM THE COUNTY PLANT DATABASE. ti\��'�1/ w I 1 \\ ----- � --- -�__ -- , - - 3. MITIGATION AREA T BE INCORPORATED INTO EASEMENTS. `"w 11 / w _ _ I - - -- _ _ - - - -- __ ` -- _ _ w �` \ ' - _ - PLANTING NOTES. 1 r _ /, _ ; -'- _ - -- - - - -- - ' w '`` \ -:_ --. / I' i ___ -^� ` _° , /,yip, / \ -' \\ \ / \ ,.� _ _ _ _ - ' -- � _ ''" - -- �:\ ` �' 1. THE PLANTINGS SHALL FOLLOW THE STREAM BUFFER MITIGATION PLAN. I w _ I _ _ % % - _ � \ - - _ ` y; //- / /' /- /I - - - -- � , \`\ `I ` P' - I 2. THE FINAL PLANT LAYOUT SHOULD RESEMBLE A RANDOM AND NATURAL PLACEMENT OF PLANTS RATHER j - - - -- - - ___ =__ _ - _ - J; /; ./ _ _ - \\ \ i \, w `- THAN A STANDARD LANDSCAPED APPROACH WITH TREES IN ROWS OR ANY OTHER ORDERLY FASHION. ffI =' -' _ '% __ -_ -- -- _ ' _ _...- : %'';; '' /j '__ _�..�:�° �� `� `���`\ ' \ ' - _ ' `�__ 'l,` \ 3. THE CONTRACTOR SHALL WARRANTY THAT MINIMUM OF 85% OF ALL PLANTINGS SHALL SURVIVE FORA \ \\ \ `, ` . ! \ \ PERIOD OF ONE YEAR FOLLOWING PLANTING COMPLETION. I n °____ - - -- - 4. THE CONTRACTOR SHALL FURNISH NURSERY GROWN PLANTS CONFORMING TO ANSI 260.1, WITH HEALTHY i __ __ -- _ _ ----_--- - - - -- WELL -„ _ SYSTEMS DEVELOPED BY TRANSPLANTING OR ROOT PRUNING TREES AND SHRUBS SHALL BE W ��•`� \ / ROOT S E I - - - - -- - _ - ' LARVAE, AND - -- -' -''� - HEALTHY, VIGOROUS STOCK FREE FROM DISEASE, INSECTS LA E A - - -_ - a KNOTS, U SCALD, INJURIES, ABRASIONS i \'-, "y- ' - - -``\ /w - __ _ - 5. Y OR BE ADAPTED TO LOCAL GROWING - - % -- ______ __________________ _-` "`!_ ' NURSERY GROWN STOCK HALL COME FROM LOCAL _ __ __ _ CONDITIONS AND BE GUARANTEED BY THE NURSERY AS SUCH. -` " - - -- - / ---- - - - - -- --- --- - "- '--- _ 6 THE CONTRACTOR SHALL CLEAN THE TOPSOIL OF ROOTS SODS STONES CLAY LUMPS AND OTHER i ; I -' / ,, --- -_--- - __ -- -- � "' - 1 _ _ - - _ - - _ _ - - - EXTRANEOUS MATERIALS HARMFUL TO PLANT GROWTH. i I ' %� - - - -` - _ - - _ - --`- - - -- \ 7. THE PLANTS SHALL BE SET AT THE SAME DEPTH THAT THEY WERE GROWN IN AND THE TRUNK SHOULD BE I - - i SITUATED NEARLY PLUMB. TREES AND SHRUBS SHALL BE STAKED, AS NECESSARY, TO PREVENT THEM � / / ` _ _ _ _ _ - -- FROM OVERTURNING. I I- / / 8. ALL VEGETATION SHALL BE WATERED THE DAY AFTER PLANTING AND THEREAFTER AS NECESSARY TO ENSURE SURVIVAL UNTIL THE END OF THE GROWING SEASON OF THE FIRST YEAR. 9. THE GRASS SEED MIX LISTED ABOVE SHALL BE SPREAD THROUGHOUT THE ENTIRE STREAM BUFFER MITIGATION AREA. 10. ALL PLANT MATERIAL QUANTITY COUNTS ON THE PLAN ARE THE RESPONSIBILITY OF THE CONTRACTOR. GRAPHIC SCALE I PLANT LIST TOTALS ARE FOR CONVENIENCE ONLY AND SHALL BE VERIFIED PRIOR TO BIDDING. _ 11. NO CHANGES TO PLANT SCHEDULE UNLESS FIRST APPROVED BY THE ALBEMARLE COUNTY PLANNING 60 0 30 60 120 zoo DEPARTMENT AND THE LANDSCAPE ARCHITECT. ( IN FEET ) 1 inch = 60 ft. , ��,TH Qp °� �' '� ,�--- SCOTT P,. COLLINS `z O U No. 35791 ,� •0 w� �o���S10NAL YT�G %� z O a U V) W 0 z O W U W Z O° W w z O J F- r- Ln m W D 0 (n Z J O Q U) > z W ~ ce uj 1-1 Q � 0 N L r ti Iff M 'd.' M N Ei • �I W J_ m mm W Nof O z< of U 1 Y W ul � Z~ w w j �-- w J 0 0 z W 0 z Lu 0 CL 3: z Q a- �W � V / O TQ 0 i a V J �- 1--1 H W 15 ,F- V 1 W _�� i= W J H- U ~ � w O W fnc� = d U) JOB NO. 112072 SCALE 1 It =60' SHEET NO. 39 Q) (n 0 0- 0- T C O L O 0 (n 7 O 'j C 0 1Y sw (n W z -0 �5 C 0 w tV) 0 z C- J J C 0 L U 0- a) 0 6- = C 3 O N C C O U Q) C U :L- 0 3 0- " V) Q) Q) L -0 0- x - m 0 C 0 a- 0 E 0 �O = 0 3 0 0) z z-Y s -d C z (n 0 C Z O -d - U n � K N -i J C 3 O U J - o 0 -�' >, ) i 0 a) a6 o a = c U O X O U 0 L 1- - , 0 (_ O 0 O (n O C -O 0 0 D E U •- O -0 -F- O -0 C 0 - .,-. 0 :3 U O (n Q) (n > C .O -0 ? C U O C (1) C L 0- o 0 (I) (n - __ I- 3