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SDP200900093 Plan - Approved Final Site Plan and Comps. 2010-04-15
OLD TRAIL VILLAGE PHASE 6 BLOCK 3 - PHASE 6 FINAL SITE PLAN GENERAL NOTES OWNER: BEIGHTS PROPERTIES 1, LLC FAX: 800 E. JEFFERSON ST. OLD TRAIL VILLAGE ZONING REQUIREMENT CHARLOTTESVILLE, VA 22902 APPLICANT BEIGHTS DEVELOPMENT CORP0RA TION SITE PLAN 800 E. JEFFERSON ST. UTILITY PLAN CHARLOTTESVILLE, VA 22902 GRADING & DRAINAGE PLAN PHONE. 434-245-0100 USE. FAX. 434-245-0300 ENGINEER. ENGINEERING COLLINS N BUILDING HEIGHTS: 800 E. JEFFERSON STREET SUBDIVISION STREETS: CHARLOTTES MLLE VA 22902 DRAINAGE DISTRICT- TELEPHONE.• (434)293-3719 PROJECT) FAX. (434)245-0300 WA 7ERSHED: CONTACT MR. SCOTT COLLINS, P.E. TOPO & SURVEY' EMAIL: scot tOcollins—engineering. com PRE—APPLICA 710N CONFERENCE. • NOVEMBER 5, 2007 TAX MAP NO.: 055E -01-00-000E1 FAX: 1.195 AC. (THIS LOT) OLD TRAIL VILLAGE ZONING REQUIREMENT 6.8 AC. (OVERALL BLOCK 3) ZONING.- NEIGHBORHOOD MODEL DISTRICT SITE PLAN APPROVED WITH PROFFERS 9-14-05 UTILITY PLAN BY ALBEMARLE COUNTY BOARD OF SUPERVISORS GRADING & DRAINAGE PLAN NOTE. COPY OF PROFFERS PROVIDED SEPARATELY USE. 24 TOWNHOUSE UNITS DENSITY- 24 UNI TS/ 6.8 AC. = J. 5 DU/AC. BUILDING HEIGHTS: MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 4 STORIES SUBDIVISION STREETS: CURB & GUTTER DRAINAGE DISTRICT- LICKINGHOLE DRAINAGE BASIN (LICKINGHOLE CREEK IS RECEIVING WATERS FOR PROJECT) ESC -1 WA 7ERSHED: S. RI VANNA RESERVOIR TOPO & SURVEY' TOPOGRAPHY PROVIDED BY LICENSED LAND SURVEYOR JENNI.'VG�' STEPHENSON, PL IN E&S PHASE II OCTOBER, 2009. EXISTING VEGETA TION: ROLLING GRASS FIELD WITH NO EXISTING TREES LIGHTING: ALL OUTDOOR LUMINAIRES SHALL EMIT LESS THAN 3,000 MAXIMUM LUMENS, STORMWATER MANAGEMENT CALCULATIONS STREET LIGHTS SHALL NOT BE PROVIDED. PARKING. • PARKING LOTS SHALL BE SHARED AMONG ALL USES AND LOCATED WITHIN A COMMON U w ACCESS EASEMENT. ON—STREET PARKING PROVIDED SHALL NOT BE STRIPED. LEGEND .ROADS EXISTING CULVERT ..,�,.. EARTH DITCH CUL VERT DRI VEWA Y CULVERT 0 DROP INLET & STRUCTURE NO. BENCH MARK CURB CURB & GUTTER -- -- -- -- -- CLEARING LIMITS PROPOSED PAVEMENT VDOT STANDARD STOP SIGN EC -3A DITCH --------------- 200----"---------- EXISTING CONTOUR 6~ DEPTH OF EC -3A DITCH 20o PROPOSED CONTOUR EC -2 DITCH 240.55 PROPOSED SPOT ELEVA TION f— 79C DENOTES TOPIBACK OF CURB 6- DEPTH OF EC -2 DITCH TIB DENOTES TOP OF BOX WHITEHALL MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA =r f l �Q 1 Y' w r 1 t l ' f , 1 .y y T I - t - ✓t - 1 ---------------- -e' e s o. 4 C i rM1 <r t ra \ iii `\ �. - M s ,'sr;j _ _ l ♦- i '(, t' \� �".:' , , E f l 1 V, 000* 'E'-0 moo A MOII /, / /•tel%�/ \���;i� � _ -- - ---- - -------- - - f - TMP -55E --91-A1 -MARCH -MOUNTA1N- PROPERTIES, LLC '\,.,, 800 E. JEFFERSON ST. CHARLOTTESVILLE, VA 22902 \ 1 -. ----------------------------- N PROPER VA •2 TMP 55E -01 -Al MARCH MOUNTAIN PROPERTIES LL ----- __- / ; E ' 80�-: 7EFFERSDN ST . �'�`. � �- � �,g66 5, CHARLOTTESVILLE, VA,, 22902x - _ TMP SSE -01-E1 BEIGHTS PROPERTIES 1, LLC ---- ---------- 800 E. JEFFERSON ST. CHARLOTTESVILLE,VA 22902 \ORO ED PQ x ; `rte Or il - .i" -- ---- ----- - A OP SSE -01-E-------'--- -ZAN LLC ` 50 PEPSI PLACE - HARLOTTESVILLE, VA 22 j°� "'`'a '� - TMP 5501-C s, MARCH MOI ' 800" E. yT, CHARwo L _ j(\/j�fj♦j^ SHEET LAYOUT SCALE: i° = ioo' CURRENT OWNER/DEVELOPER MARCH MOUNTAIN PROPERTIES, LLC. BEIGHTS DEVELOPMENT CORPORATION 800 EAST JEFFERSON STREET CHARLOTTESVILLE, VA 22902 ENGINEER COLLINS ENGINEERING 800 EAST JEFFERSON STREET CHARLOTTESVILLE, VA 22902 434.293.3719 R s9� CROZET UPPX'R�'s LLARD F1BLD V ��1 FIELD r V OLD TRAIL VILLAGE NA(D'\ oI r TH PRO T To CHARLOr"MSH rO� MVESgpRp RIE 250 P� TO Tb Nsrqs quo t' s¢ tib. VICINITY MAP SCALE: 1" = 21000' Sheet List Table Sheet Number Sheet Title T-1 COVER T-2 OLD TRAIL VILLAGE ZONING REQUIREMENT E-1 EXISTING CONDITIONS S-1 SITE PLAN S-2 UTILITY PLAN S-3 GRADING & DRAINAGE PLAN S-4 SITE PLAN DETAILS S-5 SITE PLAN DETAILS R-1 ROAD PROFILES DP -1 DRAINAGE MAP 0 U DRAINAGE & UTILITY PROFILES JP -3 DRAINAGE CALCULATIONS ESC -1 E&S NARRATIVE AND COMPUTATIONS ESC -2 E&S PHASE I ESC -3 E&S PHASE II ESC -4 E&S DETAILS & CALCULATIONS SWM -1 STORMWATER MANAGEMENT PLAN SWM -2 STORMWATER MANAGEMENT CALCULATIONS L-1 LANDSCAPING PLAN L-2 LANDSCAPING DETAILS APPROVALS DATE DEPARTMENT OF COMMUNITY DEVIULQPMENT PLANNER/ZONING- N zF- ENGINEER , INSPECTIONS 4 Z 1 to ARB in lot -- DEPARTMENT OF FIRE RESCUE I1 2,9 ALBEMARLE COUNTY SERVICE UTHORITY qA 4 VIRGINIA DEPARMENT OF TRANSPORTATION ft 1,. -- HEALTH DEPARTMENT W4 I ---- WK VRCOLLINS�Z� No. 35791 11, ZONAL 5V�'1 0 14 0 0 0 0 0 0 LLI zZ N 4 i .�� fr1 M z 0*1N M z � M N tet' �— d- w o � ^ 01 v, w CN4 N J z > ZZ n w LL w W ZH � O Q w� x � U M H � w U O z m J� w w 0 0 J w F - w 0 00 o LU En JOB NO. 02006 r W 0 a SCALE N/A SHEET NO. T-1 F- N zF- N ZZX w z w W 0 I— -� a x 0 U 0 U 0 U 0 0 0 0 z Z U Z N w �� m U a 5 o � U Q Z o Z 0 W W Z 0 o Z O -� Q H w n. U w W o- U w U w z w �2 z . z O a M z z O a w z a v� z a W o Wtn O O > w O w �j CC Ce a OC W Ly- N W w 0 14 0 0 0 0 0 0 LLI zZ N 4 i .�� fr1 M z 0*1N M z � M N tet' �— d- w o � ^ 01 v, w CN4 N J z > ZZ n w LL w W ZH � O Q w� x � U M H � w U O z m J� w w 0 0 J w F - w 0 00 o LU En JOB NO. 02006 r W 0 a SCALE N/A SHEET NO. T-1 Lie .f MA FLOODPLAIN MAP EISfING SEDIMENT BAST �. �'\ - � / . , - , ; � � � \ - '-...•,. , _ � t MAP NO: 51003002370 O.F / - - — NEL NO: 02 �f • G` - 1 — _ 7D _ ATE / /05 1 D 2 4 � SCo T R. IN _ NOTES• - s - -- _ 6 � � No. 3 7 DWI THIN FLOODPLAIN LIMITS .o I Yr �ly �. 2. TOPOGRAPHY Y & BOUNDARY PROVIDED BY JENNINGS STEPHENSON PC. ' 6 g BOUNDARY OF PARCEL WAS RECORDED IN SUBDIVISION PLAT TITLED, OLD joxAL E won cISTIIVG sTR►M BUFFEk S TRAIL VILLAGE CENTER BLOCK 3, RECORDED /N DEED BOOK 3650 PG 412 ° \ X670 683 _ _ ,� \ TOPOGRAPHY S SURVEYED B J. WA U Y JENN/NGS STFPHENSON /N OCTOBER 5 ! 2009 AND . ALSO FIELD VERIFIED BY COLLINS ENGINEERING /N OCTOBER 67z j2009. \\ J - � , ►\ � '� I 4, THERE ARE NO CRITICAL SLOPES LOCATED ON THIS PARCEL. \ i - GRAPHIC G _ A SCALE i - \ - - - 30 0 15 30 60 120 ° —680 ' .■. ,.■ .■. I I�' \ ` \ 100Now wo1 _ IN FEET W son -- - - -- --- cn H cn z z I a it ° _ °— ° l < y:':12T" 3 ` \ \ 1 inch = 30 ft. Z W z W W x O Q 0 f 0 Lu LLj VV ° - PHASE A -- - ♦ \ �� - t� as V cn z� z z uj W Y , . — .�. I _ \ ' - _ ' , EXISTING SEDIMENT,6A o V V V ' e d/ ♦ \ \ \ Z W W Z \ v \ \ ` ♦\L- - a a° ° a ° ° a ■° _ - -- - (�A° ° . zZdU) Z 7. dU) ZO p ' Ce Ln BENCHMARK GU) zTOP OF MANHO O �LC ° w °` > 4IN PROPERTIES T A1 ° a 682.8 UNTJ 6 -ST QEIS0N W ° VILL /3 VFJ ° a ` rj\ , N \ na a I I EXISTING STORM EWER _ a �,— BLocK - - , ,�. - Woo��-- a \ a A__ i� - - - - ' a ° — - ° BENCHMARK Lu y s, 1 TOP OF MANHOLE 685.50' PHASE D i - - l .. \ \ 1 `\ \ \ < • EXISTING 12" WATERLINE � TP5 01A _ _ _ __ _ __ ♦ ` \ \ MARCH MOUNTAIN PROPERTIES, LLC I \\ _ 800 E. JEFFERSON ST. - - CL \ \ \ EXISTING 12" GATE VALv - CHARLOTTESVILLE VA 2902 i ----__ _ �, UJv 68 \ , \ TMP 55E-01=E1 \ EXISTING 8" _ _ - �„� € \ \�\ \ `\ \\ `_ -- \ SANITARY I O C \\ BEIGHTS PROPERTIES 1, LLC _. - s SEWER 800 E: JEFFERSON ST — -- _ - -- - _ - - - v — \ N -- _ 690 , I \ CHARLOTTESV�LL-E, VA--22902 - EXISTING FIRE HYDRANT" / \ �- \ EXISTING SANITARY r v SEWER EASEMENT _ - V— w t ` \ \ 3738 _ C \ , - PHASE B PHASE C �� \ P 95 - _ . _ _ — z c \ — � c L9 g — - - W �'— _ 8 \ O O -1XISTING ASPHALT PATH' ` _ TO BE REMOVED AND REPLACED __ W - -- " - WITH 8' CONCRETE SIDEWALK PHASE B \ �' ' x / I y I - - z a o M TMP/55E-01-Al ��d 692 -- - - J - _ - - - _ __ - - - -- ' , ' �\ -ul MARCH MOUNTAIN PROPERTIES, LLMC ' I \\ \\ - ; _ - - - E. JEFFERSON T. \ I J I , - ,800 S � I � \ • ,, _------- w � uu= - TTESVI L VA 22902/ PHASE C _ — -- O ' - 1 BLOCK2 LL LL / v - (� \ s \ O J L, ^- J � TMP 55E-0 - 4„ / JA-ZAN, LLC - _v - v - w Q 1150 PEPSI PLACE � ,. 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"E I i, �"+.q •y is:; w;; Ti^t ^` k't \ / i / / '\ h - --- -` :::",a r<a "'{� i. , �, t ti I. , S f" 'rra a ^k 5 ::? 1 :a, 3ry .iN .# '�,, "v'i. �e-,, S1 CS x* \ \ \ , / ' / / / / -- - \ _ - k,. �,. 1,,1>, N ZONAL Et1 \\ / / / , / / / / / / ;;a ' 'x., ., �Iz t \ xn\ 3 r ; +*�r r -,; a : ^44, , . - - \ - - ;;1-- - ' \' ���-__ s _ - _ - _ �x/) F ��� ;: r�s7 �x;; �Y45�,: 1F 1. CONTRACTOR SHALL VERIFY ALL TIE-IN ROAD CONNECTIONS FOR BLOCK 3B . \-� \ / / / / / / / / - / _ i - \ __. _- _. _1 _ __. - -- 5 �"--_. \11,1,v,,.l'3.it ,'_k ;. a d 1\,.; h'1 a, u'�Y, 'd8 1� 5?,rY ,ty i` cr< , r•'Y-'�l `, -- ' _ _ -- - _ - - - - - -_ _ -' _ _ _ _ -_ - -_ - t �; ;�- �," asp a �v,- , � � _:k;I p:: l fi x , ROADS TO ANY ROAD EXISTING OR UNDER CONSTRUCTION. CONTRACTOR IS / / / - - _¢ { \ / / / ' , / / / / i ' -- - _. _-:'_-- -- -. _._ ._ .• - ,.�____� a_ __ - -- _._ ` `.. h ,y ixr•::;? y`{,c':S '. 'f „ �'�� r .c` .dy?. £i .t dw�•,f fi 4,,, r:. ys`!kk OA \ \ / / ' / / ' = - _ - - -- - -- - -- _ _ __ _ _.__ _.__ __ / RESPONSIBLE FOR NOTIFYING THE ENGINEER OF ANY DISCREPANCIES BETWEEN / �� _ `z .--.. S - _. - - _. �,� ��!'�+J�>a Y r•L�k Y 1 ?a2 iw;i "Y3*�{.k-} �7 ,3 k Yd u'. / _ -%� _ _ - - - - - -- '-- S1. - _ - 672 \ . , ,j, , t rt v� ,9rA r ri tr c�` � T DS, CURB /j ;� \ ' - _ _... / / / = - _ _ - _ _ _ _ _ -_ _ _ _ i - _ �,. ��: ) �� ROADS SHARBCONTACT ENGINEER TO INSPECT CURB AND HE EXISTING R ! __ __ -_ - __ - - -' ; '__` z S - - - - ..- ,- - - \ xfi�`. r i i. 1y ,. Y. �'x•,s/y`'.;a:, >b°,ipso- ,, *'- / _ _ _ - AND GUTTER. CON / / , _ = _ �, - - _ _ __ - _ -- -- --- - --- --- --- -- -- -�f�B --- - --- -- I >,Y.: i °;, 7° , ROADWAY TIE-INS TO EXISTING ROADS, PRIOR TO ANY CONCRETE OR PAVEMENT / �. - �- - - �� -- -Il- / \ - �� -: ��_._� .-_�- a_ _.- - -- 78 _ \ \ 41111W � }L&, F �` w BEING PLACED. ' as ( _ - - . • � n • I ;• 1. - \ ,r�,, 2. CONTRACTOR SHALL VERIFY CURB ELEVATIONS ADJACENT TO THE SANITARY \ _ \ / / � , s \ \9111 S WITH H I l3 SEWER MANHOLES TO ENSURE THAT MANHOLE TOPS ' / \670 _ - ->-;- , - , �S ___� - \ _ � I \ \ \ \ \ ` ADJACENT PROPOSED CURB ELEVATIONS. ALn RE CONSISTENT THE \ \ - - - j \ \./ z - \ \ / - 5 I I \ \ cn f- � F- F- w \ i A / / / / - - - 63 / ' � /e � /� N 1,I � I �! A� A \ - Z w Z w w / / �5 - - - I - - _ I - - z w W (7 I A ` �� / E�� / ' \A n �� C2`I Q Q O Q \ • . \� 1 __ __ __ - : , 1, F A ignment: CLAREMONT LANE U o U U - Ir e - _- - .- - _ • • gR� /�Yab 4 Tangent Data ¢ ¢ °c __ _ _ spy[ -` . i \ I r ' - _-- 1 r: V Z w \ \ -- - .. .. .:. / \ \ I ' __ --- -_ _ h < ,� , N 59° 18' 20.34" E m U U w ♦ -680_ d . d . a I . 0-4 , ! - _- _. ` _ _ / ,; �, y Length: 165.342 Course w D Z \ �\ � -, " _ _ _._ / \ I \ _ _ r Circular Curve Data J O O O z fit 20 49 91 ype RIGHT .-. w oC w oC oC - -- -_ \ _ x T O o w w w ♦ / d / \ \ \ \ _ \Delta: I N a a a �, ° \ \ . 4 ° d / ` \ \ \ \ \ \\ \ \ Radius: 180.788 z u) z V1 cn w \ ♦ � ° ° __ I I I / I/ - %/ n I �`\� \ \ \ \ \ \\ \ ,F � \- \ Length: 196.727 Tangent: 109.375 QC c"n in z ♦ • % /� - - / I ` \ \ \ \ C ' \ \ ' - Mid -Ord: 26.105 Extemal: 30.511 M > > > N �- •� �1c Q ° ° ° ° _- r / I mo_ �� _ vv V \ v \ V A \ v v - - A � v o r " OC w OC W W �,y � / - I \ \ \ \ \ \ \ Chord: 187.164 Course: S 88 31 53.E E \ x ' ° i p - '� � 1 � // , v v v v Av v , 11 ,A , v A > > 11.1 \ a ` I i ° a ° d d _ �[ �$ I / \\ \ \ \ \ \ \ \ \ \ \ \ \ \ EXISTING \ \\ \ \ \ - - Circular Curve Data Ce ` / ' °° 4 - \ ~ I I \ , \ \ \ \ \ \ ' �� \ \SEDIMENT \ \ ° Delta: 11 32 45.76" Type: RIGHT I / \\ \' . \ 94 \ , , ,.BASIN \ _ - zo ° ° ° ° I I I I , �$2 \ \ \ , \1. Radius: 180.788 ce \ Q d ° ° a ° ° d - f I I / \ \ \ \ \ \ 1 , Length: 36.432 Tangent: 18.278 - - da ° ° ° � I A y v v - v v v-` - r i I 1 . Mid -Ord: 0.917 External, 0.922 a ° d d ° d ° " -- -- +. - --- - ----- �j _ I 1 \ \ \ ` \ \\ _ , ,� ' + Chord: 36.370 Course: S 510 35'06.03" E "' /a ° ° CI d d ° \ \ , \ \ _ _ _ ; d ° ° o ° o _ ;\ EXISTING I - �� (' \ \ \ \ ' 660 _ _ ; / / Circular Curve Data ti \ °41 d ° ° d ° �� l \kCING LOT I ` \ ` -_ _ _ ./ - , \ d d _ �`' I I �� \\\'� \s \ \ -\ \ \ \ , \_ -_ - _ ' / / Delta: 040 140408'53.24" Type: RIGHT \ ° E CISTI � ° " / / / \\ �� I N I \ 11 I \ -- ` -- - / ,Length: 75.748 Tangent: 37.890 \ \ \ \5, �' o � •r 1 ° ° ° ° I �w / �� I ' \ I 11 \6 ` _ - - , � ' Mid -Ord: 0.685 External: 0.685 w o 0 0 0 0 0 0 \ \ ,�1 ° J ° c a -- _ \ \ - -- - - Chord: 75.731 Course: S 43° 28' 00.58" E ( ` ` \ N N - d Lj d d d / I '�-� ' V ' i % s \ I \ \ . - - - / Tangent Data .q ,4 S ° d f ° - . _ - __ - - Length: 110.657 Course: S 410 23'42.46" E 1 \ \ 4 - n \ -_ \ / ' / •., /�, \ \ • ° • \ ° -° Q °. d d •, _- ---. -_-_..�- d ` - - \ \ Circular Curve Data RIGHT Delta: 12° 02' 1 .85 ype /�,, \ \ ` \ d - = ,_�'.�-'. 4 ? -i_. - - cam: �- ----- _ \ / / o d ° ° -----!----,\ i ..� �.,_ �` \ - Radius: 309.849 2 " T \ +\ a ° __ I _ - \ - _ Length: 1708 T Extemal1.7132.667 ,/� 11 FUTURE DEVELOPMENT' -_ 7: L9 / 1 \ d ° • I- \ I ^, I - __ _ , _ -- Mid -Ord / ° \ \ a d ° a ° a11 I - I ` - - - - - Ghoul: 64.974 Course: S 35° 17'27.91" E /'//// \ \ ° \ - \ O1 / a . \ \'\ I , .1 ---_ _ n� _ _._ _ / I Tangent Data _ / ,, \ \ f _a- _- _ Length: 100.000 Course: S 300 3T 54.28" E _ 0 I < r / ///, j \ \ \ \ \ \ \ \ a a i ���-- . d - _` `\ ROPOSED 6' PLANTING STRIP 8 \ � rrtrrrrrrrrri• M • i '9 5 SIDEWALK AS SHOWN AND DETAILED \ Alignment: MORNINGTON COURT / \ \` / \ \ \ s� ` IN THE APPROVED "OLD TRAIL VILLAGE \ ` / , Tangent Data N 2io / , \ \ \ , = / - \ PHASE 6 BLOCK 3 PHASE A SITE PLAN" \ \1 I " \ \ \ 6) \ Length: 138.241 Course: S 30 02 29.68 E ,� DATED 618/08" d' a � � Circular Curve Data M c / \ \ \ \\ � �. �'\ ; \ PROPOsSED_CLAREMONT LANE APPROVED ON 1 t ° " LEFT -+ \�' I 18 - _ __ - Delta: 10 29 54.83 T \ \ \\ \ \ : , \ THE APPROVED "OLD TRAIL.VILLAGE PHASE 6 yam' E \\ 19 s \ _ " i Radius: 144.000 Wi > VDOT \. CG ' ,2> LOCK 3 PHASE A SITE PLAN" DATED6/S/48 , \ �\ / _ _ \ \ \ , Length: 26.386 Tangen • 13.2 H� C 1 - External. 0.606 , " \ \ \ \\ _ _. -- \ \ \ Mid -Ord: 0.604 E'�I 0 \\ ____, /- �� _ I \ \ \ \ ° - 76 ' _- \• \ __ _ - PROPOSED VARIABLE WIDTH SIGHT DISTANCE EASEMENfi ' Chord: 26.349 Course: S 35° 17 27.10" E 01 I ! � a • ��w .j - v v � - - .� � � _ - A I ;/ � \ \ / / � Circular Curve Data N 1 \ \\ \ '\ _ - /1 .'SIV �5 1 - I - / �� \ s \ - I Ir ' .\ 10° 29' 54.83" Type: RIGHT z .el } J / pelta \ \ ` \ - -- - � y. / Q - _ - _ _ __ - _ - _ � _ _ ��� _ \ --EXI TING SANITARY 1 / \ \ \ \ \ - j' - - l / _ --- - \ SEWER __ - _ `\ diu . 156.000 \ \ 1 \ _ --EXISTING � \ , Ra s• + \ \ \ \ \\ \ \ - �y '!�% \ i �!I\ \ s ✓ / I \ Length: 28.585 Tangent: 14.332 z - / \ � \ ' �O �\ \ / 223 'yjt, 5' R/W \ \ CG -6 TO CG -2 THROUGH OUGH INTERSECTION � / , /` \ �� s - - , \ \ \ \ % \ .: Mid -Ord: 0.654 External: 0.657 V \ \ � � :. � ,��p . V . `� �'` \ 8�� EXTEND CG -2 4' ALONG PROPOSED ROAD. " W \ j' %� / 1 0 . .. , . ::':'.:'.. p�. \ ! ! / -I \ Chord: 28.545 Course: S 35° 17' 27.10E ■ate z \ . \ \ \\i , , . _ •� ���-- \ � OSED C�LAREMONT'LANE TH19 PORTION OF C ... r FROM THE �OOL PARKING G LOT TO THE \ " uEM \ TIE-IN PRIVATE ROAD TO PRO ENTRANCE \ \ \ p; cn 16 .': 4 - / '2 a . \ \ CLAREMONT LANE E NCE O� THE Course: S 30° 02 29.69 E W l4 � N Tangent. Data \ __ :.. Q \ 6NSTRUCTED TO PROVIDE Length: 56.788 C ... PRIVA . . - - \ � �..�..�:.., .- •• INTERSECTION OF BROOKLEY DRIVE SMALL E C ' \ ' DOT STD A SS ,- _ _ _ - / ' \ \ ! \ fi� ....: _ •,.: - \ •:X' \ ACCESS TO THE PROPOSED DEVELOPMENT OF THIS/SECTION PF TOWNHOUSES. C/] k9 , 12 �P) �. 'P :'' :' \ \ \ z?� .... x A� \ . \ \ I Ai nment: MORNINGTON LANE w W �. � \ s \ _ -- I z a \ \11 4 . '... \ \ \ 24' f ...': ' <QG �x \ \ Tangent Data c r \ \ �' :f \ ACCESS \ ° " :5 3 \ '\ \ , ` \ �� ` \ \ \ I Length: 76.746 Course: N 59 5T 30.32E - '...'.'....'.'..'......'.'..'..'.....'.. EASEMENT -00 V Op �O \ O _ ._- \ \ \ ----- -_ \ / _� ST a \ I Circular Curve Data � = a. - ) \\ \ \. ::.......... \ 1Z \ \ z _- - -1 I 11 \ / \ r p:. :::.'.'.':.'.'.. 24' �? CG -12 \ \ ) ` , , , Delta: 38° 58' 44.54" Type: RIGHT 94 a. W \ \ ' \ \ \ \ \ /. ` .-. \ 17.1 I ACCESS s STREET G.. \ \ Radius: 100.000 z - > \ \ _ \SEMEN `� 00 \ s \ ;/ I Length: 68.031 Tangent. 35.391 �" 1 rI--1 1� Mid -Ord: 5.730 External: 6.078 U M V/ a S , / l'' +` 3 j GAP T \ \ \ PROPOSED VARIABLE V�IDTH, IGHT (STANCE EASEMENT " 'G Q o 66.727 Course: N 79 26 52.59 E .p..' ' C / 1,(IP \ / 12 _ �P� q I - Tangent Data 11 . ................... NO ........... _....... / ' / E���o� \ ` \ ` ♦ �' / �• :. ' •. . '.... PAVEfNEN � �a q .... \ � � _. Le Course. S 81 03'45.14'E \ ' 2 615In �"'� Erz - - � 6 P No / p x .. \ l Data w �„� / ' .` 9 G / $STOP � :�''' ' \ °' \ ; I - Delta: Crrcul 37 30' 57.73" Type: RIGHT C Qi :k: ST \ / 94 0 L ' - ' _ \� i SIGN ! �1 SIGN \ I ' - .- - - _ Radius: 100.000 z ' `PROPOSED I ' ORAVEL ° ......'. 4� - / ; ! + - ' - - Length: 65.478 Tangent: 33.961 - zC/� � PROPOSED VARIABLE _ O< 5 I VDOT ; . _ BORDER �... ': 0� J /\ co z WIDTH VDOT SIDEWALK / :' ' _ \, - - - :.:. ' .: , / ' \ \ Mid -Ord: 5 311 External: 5 609 i `, I i , - Chord: 64.314 Course: S 62° 18' 16.28" E 8 1111111111111111111111 z MAINTENANCE EASEMENT \ _LL 0p •(. - \ s / ' - ' -- Tangent Data 0 .j Cr. PROPOSED 5' 10 13x (NP) �/ \ J APPROVED CL,AREMONT LANE 4 .41 E / \ �+ % . '\ ` c / CONCRETE S/W Q \ ° 2, 7 " H z lJ / :::'. ':::':`. \ Length: 25.561 Course: S 43 3 - \ O \ /� b1 �� / \ / AS SHOWN ON APPROVED - 6 C xg �� Circular Curve Data w c - - i � ' \ �'rG / Q�'�� PT: 13+02.20 / y'� 1 ' \ \ RQA�9 PLANS TITLED, " __ _-. / / 1.'. ....: so �/ �� t \ \ OLD TRAIL -BLOCK 4 ROAD PLANS Deka: 15° 01' 47.99" Type: RIGHT w9 j to \ . sa,:'........ . t:' / Radius: 299.981 -- - / / > d. "� / I \ = '\ /DATED 2117/09 w' a ' / / �\ 20' FUTURE DEVELOPMENT ° / /� / - �. \ ` �- Length: 78.692 Tangent: 39.573mj i / , / ♦ :: ,\ `\ :.. /11 �`% _ ' \ \ ' \ \/ Mid -Ord: 2.577 Extemah 2.599 ACCESS j f I/ I i LL 8' EASEMENT 6 _ % / . \ \ _ - __ _ _ Chord: 78.467 Course: S 36° 01' 55.16" E 0 J , /" \ _ - - ' / CONC /V11 \ �.:..:. ° i , a. f - \ • \ , - Tangent Data0 O _ - -_ _._ _ __ / \ - Length: 32.879 Course: S 30° 02' 29.68" E 00 O a r / \ ♦ - CONCRETE // \ ' / J / ' - IDEWALK ,� Nq /° / / \ \ \ \ ' \ a / Q l \ \ Alignment: MORNINGTON PLACE ♦ ; / /U Lu C ! VDOT STANDARD - �� > \ I � / \ s \ Tangent Data � v _ -- - -- / ♦ BRANCH TYPE �� , 0 / • � __ - \ \ Length: b 4L - - - . n ♦ : / / Le 75.326 Course: N 59° 5T 30.32" E TURNAROUND ��� i - / - y i - - \ \ \� \ Circular Curve Data" _ `c , ' / / \ \ ♦ 1, - ' APPROVED BROOKLEY'DRIVE ���-, - _ _ _ - .89 Type: LEFT \ Delta' 14° 15'41.89" T a cn z ' ! / \ ♦ .. r - / / AS SHOWN ON APPROVED _ - / / - . I - \ \ �. Q�% d �° \ \ Radius: 300.000 JOB NO. z / ♦ ROAD PLANS TITLED, i \ r ' - i _ \� s \ -_. - t• i \ ♦ . -..p \ \ "OLD TRAIL BLOCK 4 ROAD -PLANS" / , • , \ Length: 74.674 Tangent: 37.531 02006 -C _ _ - -- - / / ♦ \ DATED 2/17/09 _ / ' d GRAPHIC SCALE �, \ External: 2.338V. j . / / / • Mid -Ord: 2.320 C - - / ♦ _. - . ° 4 ; ao - , o1. - - ie ao so izo \ s \ Chord: N 52° 49' 39.37" E / \ 74.481 Course: ySCAL��E or C , ♦ ti _ \ ( IN FEET , - ° ' BLOCK 2 s C ''' \ \ HEET NO ♦ -- a - 1 inch = 30 ft. \ \ a \ . ,. C. - , \ \\ ., * .1 . .. I __ - , \ \ . S-1 - " 1 I \ I I , . . - ( " __1 - \ " 11 \ . \ __ _ , % I I , .. - __ -1 . I I 1_`� - -1 >, -� \ \ \ \ \ I \ I /I t04 4.1 l 2 - _... - S M-11! �.r NN, GrP, i a+. r / , f 7 ,� > F FEMA FLOODPLAIN MAP v, Y - MAP NO: 5100JCO2J7D • �'Q " S k ?y . • \ \ / / - / " - ® .. _ - __ - ---- -- ---- __- .-..._ --- --- -'- --- ' C O Q --- - -" < I- __ _ \ lig - , ' �"�': O. R. l.0 S — - 78 7 c N _ _ PANEL N 023 5111 d d - __ _ DA 7E.- 2/4/05 O S 0No.835791 � �• n \ / _ \/ \6 \ ` \ ` ` \ NOTE THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS .o� 7 ` \ / / / s o� , ` 4 s101XVAL E� -674 , / - - • a \\ - - GRAPHIC SCALE d d d \ \ ♦ \\ d - --o- - r- - --= n _- 43 -— J — -- -- —1 - \ \ \\ 30 0 15 30 60 120 \ - \ ° ° v ` d . • i a d ° a ° -1 d I / -j \ \ \ \ \ \ \, \ \ \ \ ( IN FEET 1 (n (J) V1 Z 1 inch 30 ft. H z FN- z Z Lu / Z W Z W W � 2f f I \ \ \ W W \ \ a ad a -- �jQj n\� \ \ f f UO \ • 1 v woo- �1 n ° U CD (A Z (/i Z Z W v -- ----- °° A v V` Aw Ce Z4 \ \ a a , ° EXISTING s ` J—\ \ \\ \660` _ , _ _ �"'� > p z p z z a �\` PARKING LOT 11 �\ . � � � .\ �� � , =. _` - - - , , / / - -- - - _ _ � cLLI in � � o / A\ 0 (4 0 0 Z E TI / a v NN GC CC w LLJ V v ce a �.�.---- -- uj EXISTI G W TER - _ % ,, � � � � �_ � - __ _ __ __ - " , � 1 ° I -- / 4 %�METER FOR POOL� , 1 4 4 / T G 12" %� �REM�VE PLUG & \ EXI ANG MANHOLE\� ' �\ / CQNC AL ° °.6 °6�NA Fa,L NE - OSE NG IdTrIVil-1 3 - \\ FUTURE \ EL EN / ° 4 TE I / TIE I T XISTI \ \ \ \ \ 4TE�tLINE �\ j/ - - - c c o • Z / / /� / 0 0 0 0 V A \ a i V V A \ \ Y — - _ 1-4 —4V-4 V-4 1-4 'ni \ d ; ,\ \ a ° I G /2 d ` EXI #ISG 12 G.V. \ '�. \ 4 d i / \ \Lu 19 O _ DIv \ / _ / / I r' a ° 1NN,MH - _ 16' sin S R 35 PVC , - s.\`` /l _ /% `\ \ i Av r / v v \ v _ \ \� �� � M v � _ , � ( 0.53 22 \ - _ \ 1_ d :- - \ ! -. - - 30A \ ��\ \\ % _ 42" W TEE / I _ \ , ( - .. _ TP 688.05' \ �; EXISTIN `` . `3 \ \i\ "'�%\ ��� SENITR Y (1y8 G.V. \ \ �� i \ \ \ - -- - - - M o /---"- TP 688.22 _ _ \ \ \ y` `\. \ ` d -UJ a / \ \ Bin R 35 -- - — - ' 123.57 L 0:50°k D.I. CLAS 2 !y O \ � \ / ` NO WATERL \ d• 2� \ ° • \ ; ' 12" WATE •`F- A ROV6'WI ; \ _ \ \ -" \ \ \ CONNECTI \ ' }I 0' US I \ \ s - N Q) \ � BLOC ASE A T TI�1 \ \• f / 2.50 BEND MEN R 6 2.5° BEND - -- .- \ O RVICE (N 8"x " REDUCER SD 8 QVC .'• O \ .• . \ \ \ o - \ / \ • \ \ 4 ,2 .73°k a , \ Wl�►`LELINE 4 O - z O / 1 FIRE YDF-4 LL RA 1 7 !� 0 / M 31 �` \ . • \ \ �, \ �. /�., ? ED OF P MEN ' = o a WIDTH AC 11 EILY ; /X'�\ i TP 690. .. \\ \ \. \ \ J W ' \ \ MH -3 + UTILI U. EME / 'gyp \\ \ \ - \ 63 \ ` TP 687 i 11 ♦0 U 90 END $ N.1 ,'Pyr' / \ \ \\ \ '-'' � o i ��^6A �. \ 3 � 9 � ; - 2� 8�n D \ \ \ \� � \ FI� HYDRANT t� 5. \\ S MB \L9 �F. O� •'\ ` � � ° �� / \ \ / �� \ \ \ \ \ -- - �c go / ' / WA .� \ \ 8i%,SDR 35 PVA .� \ - - T / i ' ' \ _ O ;1. I { d %j" \\ \ 53.65F (� 0 j ,: �/AR. WIDT CS \ - - - ►-� i c ' t \ �S �;, \� / - �' G TILITY EAS IEN 12NI2" TEE _ - / Bin 35 PVC I _ - _ 7 _ Yf� - \ ` \ - -- c \ \ _ -- H 3 / \ _ - x�' / \ LF 1.70°r6 M \ / (3y 12".V. J n i' \ TP 8" D.I. C SS 52 1 0 3 / , ' \ �� • 1 Q: ILITY \\ \\ \ 00 P� \ WATERLI , �\ _ _ a, \ \ / \ - ►� ~ a /� �V " M SEMENT \ \\ 1�1p� `Q� \\ - s \ U > L12 U6 Nit BLOCK 2 ul ' 111 \ c v v WIDTH ACSA �� v 8 X 8 E \ / W / - \ ILITY EASEMEN -" , ♦ 8' CQNC ` [aTj* A 8 t J - _ - -Ca z - w0 \ - -- - - - - - - - AR WI CSA �G� v A V \LU d \ _ z ' v S ALK ILITYASEMENT ti� \, A - � ' v \ V A - ' / v MH-3�5 CO i?T'y v� ��✓' / 4 ' - A, - w NOTE: INSTALL TOWNHOUSE UNIT 5' FROM , - 6 G.V. - " % ',FL\TURE D OPMEN \ / d � � - - - - EDGE OF PAVEMENT AND INSTALL WATERLINE -� '6g TP 6 9 / \ 1 ---II z { \ J 0.5' FROM INSIDE OF EDGE OF PAV ENT TO -- _ - - ENSURE 10'SEPARATION FROM WATERLINE TO , � 2" TYP \ \\ r� BL TOWNHOUSE UNIT, OVERHANG ANIS FOOTINGCL < 4 . \\ T a ` NOTES: CONTRACTOR SHALL VERIFY ALL TIE-IN ROAD CONNECTIONS FOR BLOCK 3B ROADS TO ANY ROAD EXISTING OR UNDER > 1 W J i \ ♦' \ \ - _ _ _ - - \ \ \\ ``` / • ° CONSTRUCTION. CONTRACTOR IS RESPONSIBLE FOR NOTIFYING THE ENGINEER OF ANY DISCREPANCIES BETWEEN THEo t / \ \ ♦ z�\' �\ \\ �� / /, = EXISTING ROADS AND/OR CURB AND GUTTER AND THE PROPOSED ROADS CURB & GUTTER. CONTRACTOR SHALL CONTACT O ENGINEER TO INSPECT CURB AND ROADWAY TIE-INS TO EXISTING ROADS, PRIOR TO ANY CONCRETE OR PAVEMENT BEING PLACED. f N', •. - 2. CONTRACTOR SHALL VERIFY CURB ELEVATIONS ADJACENT TO THE SANITARY SEWER MANHOLES TO ENSURE THAT _j w MANHOLE TOPS ARE CONSISTENT WITH THE ADJACENT PROPOSED CURB ELEVATIONS. Lu ' \ ♦ `� (; 3. CONTRACTOR SHALL PROVIDE ENGINEER SURVEY WORKSHEETS OF ALL ROADWAYS, PARKING LOTS, ALLEYS, MANHOLE W . °� a ' TOPS AND DRAINAGE STRUCTURES PRIOR TO INSTALLATION OF CURBING, DRAINAGE, OR UTILITIES TO COLLINS ENGINEERINGa n -- - - _ - \ \ �- _ T _- •,- � � G SHALL VERIFY ALL SURVEY SHEETS TO s .FOR REVIEW AND APPROVAL PRIOR TO CONSTRUCTION COLLINS ENGINEERING jog No , _ , ' \ ♦ — — - / �' / i - _ BLOCK 1 S - EN URE POSITIVE DRAINAGE AND PROPER ELEVATIONS FOR CONSTRUCTION 02006 1 - - ` PHASE HE CONTRACTOR SHALL CONTACT THE 4. PRIOR OF INSTALLATION OF LATERALS AND WATER SERVICES FOR S C, T - - - ENGINEER & ACSA TO CONFIRM THEIR LOCATIONS scams T OF WATER OR SEWER MAIN - 5. NO PART OF BUILDING FOOTINGS OR OVERHANGS MAY BE LOCATED WITHIN TEN (10) FEE W 1 "=30' 0 s LINES. U ; v SHEEr NO. -a x•15 GENERAL CONSTRUCTION NOTES FOR STREETS 1. CONSTRUCTION INSPECTION OF ALL PROPOSED ROADS WITHIN THE DEVELOPMENT WILL BE MADE BY THE COUNTY. THE CONTRACTOR MUST N077FY THE DEPARTMENT OF COMMUNITY DEVELOPMENT (296-5832) 48 HOURS /N ADVANCE OF THE START OF CONSTRUCTION. 2 UPON COMPLETION OF FINE GRADING AND PREPARA 77ON OF THE ROADBED SUBGRADE, THE CONTRACTOR SHALL HAVE CBR TESTS PERFORMED ON THE SUBGRADE SOIL. 774REE (3) COPIES OF THE TEST RESULTS SHALL BE SUBMITTED TO THE COUNTY. IF A SUBGRADE SOIL CBR OF 10 OR GREATER IS NOT OBTAINABLE, A REVISED PAVEMENT DESIGN SHALL BE MADE BY THE DESIGN ENGINEER AND SUBMITTED WI7H THE TEST RESULTS FOR APPROVAL. J. SURFACE DRAINAGE AND PIPE DISCHARGE MUST BE RETAINED 107HIN THE PUBLIC RIGHT-OF-WAY OR WITHIN EASEMENTS PRIOR TO ACCEPTANCE BY 774E COUNTY. ALL DRAINAGE OUTFALL EASEMENTS ARE TO BE EXTENDED TO A BOUNDARY LINE OR A NA 7URAL WA TERCOURSE. 4. GUARDRAIL LOCA T70NS ARE APPROXIMATE: EXACT LENG7744 LOCA T70N AND APPROPRIATE END TREATMENTS WILL BE FIELD VERIFIED AT THE 77ME OF CONS7RUCTION. ADD177ONAL GUARDRAIL MAY BE REQUIRED AT LOCA 77ONS NOT SHOWN WHEN, IN THE OPINION OF 774E COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY. WHEN GUARDRAIL /S REQUIRED, IT SHALL BE INSTALLED FOUR (4) FEET OFFSET FROM 774E EDGE OF PAVEMENT TO THE FACE OF GUARDRAIL, AND ROADWAY SHOULDER WIDTHS SHALL BE INCREASED TO SEVEN (7) FEET 5. WHERE URBAN CROSS SECTIONS ARE INSTALLED, ALL RESIDENTIAL DRIVEWAY EN 7RANCES SHALL CONFORM TO VDOT CG -9(A, B OR C). 6. WHERE RURAL CROSS SECTIONS. ARE INSTALLED, ALL RESIDEN77AL DRIVEWAY ENTRANCES SHALL CONFORM TO VDOT STANDARD PE -1. 7. COMPLIANCE WITH THE MINIMUM PAVEMENT WIDTH, SHOULDER WD7H AND DITCH SECTIONS, AS SHOWN ON 774E TYPICAL PAVEMENT SECTION DETAIL, SHALL BE STRICTLY ADHERED TO. & ROAD PLAN APPROVAL FOR SUBDIVISIONS /S SUBJECT TO FINAL SUBDIVISION PLAT VAL/DA TION. SHOULD THE FINAL PLAT FOR 77 -IIS PROJECT EXPIRE PRIOR TO SIGNING AND RECORDA 77ON, THEN APPROVAL OF THESE PLANS SHALL BE NULL AND VOID. 9. ALL SIGNS OR 07HER REGULATORY DEVICES SHALL CONFORM W7774 774E VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES AND 774E ALBEMARLE COUNTY ROAD NAMING AND PROPERTY NUMBERING ORDINANCE AND MANUAL. 10. TRAFFIC CON7ROL OR 07HER REGULATORY SIGNS OR BARRICADES SHALL BE INSTALLED BY THE DEVELOPER WHEN, IN 774E OPINION OF 774E COUNTY ENGINEER, OR DESIGNEE, THEY ARE DEEMED NECESSARY IN ORDER TO PROVIDE SAFE AND CONVENIENT ACCESS. 11. THE SPEED LIMITS TO BE POSTED ON SPEED LIMIT SIGNS ARE 5 MPH BELOW THE DESIGN SPEED, OR AS DETERMINED BY VDOT FOR PUBLIC ROADS 12. VDOT STANDARD CD -1 OR CO -2 CROSS -DRAINS UNDER TO BE INSTALLED UNDER THE SUBBASE MATERIAL AT ALL CUT AND FILL TRANS17IONS AND GRADE SAG POINTS AS SHOWN ON 774E ROAD PROFILES. 13. A VIDEO CAMERA INSPEC77ON IS REQUIRED FOR ALL STORM SEWERS AND CULVERTS THAT ARE DEEMED INACCESSIBLE TO VDOT OR COUNTY INSPEC77ONS. 774E VIDEO INSPEC77ON SHALL BE CONDUCTED IN ACCORDANCE KITH VDOT°S VIDEO CAMERA INSPECTION PROCEDURE AND WITH A VDOT OR COUNTY INSPECTOR PRESENT. ROAD NOTES GRADIN 1. THE LATEST EDI 77ON OF 774E ROAD & BRIDGE SPECIFICATIONS, THE ROAD & BRIDGE STANDARDS OF THE VIRGINIA DEPARTMENT OF 7RANSPORTA77ON SPECIFICA77ONS SHALL GOVERN THE MATERIAL AND CONS7RUC710N ME774ODS OF THIS PROJECT. 2 WHERE UNSUITABLE MATERIAL /S ENCOUNTERED IN 7HE ROADWAY, IT SHALL BE REMOVED FROM THE EN 77RE ROAD RIGHT OF WAY IAD TH AND REPLACED WHERE NECESSARY WITH SUITABLE MATERIAL TO THE SA T7SFACT7ON OF THE ENGINEER. J. ALL GROWTH OF TREES AND VEGETAT70N SHALL BE CLEARED AND GRUBBED FOR THE ENTIRE EASEMENT. DINER TREES AND VEGETATION WHICH OBSTRUCT SIGHT DISTANCES AT ROAD INTERSECTIONS SHALL BE REMOVED. 4. ALL VEGETATION AND OVERBURDEN TO BE REMOVED FROM SHOULDER TO SHOULDER PRIOR TO THE CONSTRUC770N OF THE SUBGRADE. DRAINAGE 1. ALL PIPE CULVERTS, EXCEPT PRIVATE ENTRANCES, SHOWN HEREON ARE TO BE RCP WIN A MINIMUM COVER OF ONE (1) FOOT. 2. STANDARD UNDERDRAINS (CD -1 OR CD -2 OR UD -4'S) TO BE PROVIDED AS INDICATED ON THE PLANS, OR WHERE FIELD COND177ONS INDICATE. J. ALL DRIVEWAY ENTRANCE PIPES SHALL BE A MINIMUM OF TWENTY (20) FEET IN LENGTH AND HAVE A MINIMUM DIAMETER OF FIFTEEN (15) INCHES AND SHALL BE PLACED IN ACCORDANCE WITH THE VIRGINIA DEPARTMENT OF TRANSPORTAION SPECIFICA77ONS UNLESS OTHERWISE NOTED ON PLANS. 4. ALL DRAINAGE EASEMENT SHALL BE CLEARED AND GRADED TO THE SA77SFAC77ON OF THE ENGINEER. DRAINAGE EASEMENTS SHALL EXTEND TO A POINT DEEMED AS NATURAL WATER COURSE. PA YEMEN T 1. AN ACTUAL COPY OF THE CBR REPORT IS TO BE SUBMITTED PRIOR TO THE PLACEMENT OF THE AGGREGATE BASE MATERIAL IF THE SSV VALUES ARE LESS THAN 10, THE DEVELOPER WILL BE REQUIRED TO SUBMIT FOR ENGINEERS APPROVAL THE PROPOSED METHOD OF CORRECTION. 2. SUBGRADE MUST BE APPROVED BY THE ENGINEER FOR GRADE, TEMPLA 7E AND COMPACTION BEFORE BASE /S PLACED. J. TEST REPORTS ON SELECT MATERIALS MUST BE SUBMITTED SHOWING THE MATERIAL MEETS REQUIRED GRADA 77ON FOR TYPE I, Il, OR N PRIOR TO PLACING AGGREGATE BASE. 4. THE REQUIREMENTS TO PUGMILL AGGREGATE BASE IMLL BE WAIVED IN THE EVENT THAT THE SURFACE COURSE /S BEGINNING AT 774E COMPLETION OF THE INSTALLA 77ON OF THE AGGREGATE BASE. IN THE EVENT TNA T THE SURFACE COURSE IS APPLIED PRIOR TO 60 DAYS, THE PUGMILL REQUIREMENT WILL APPLY. 5. THE USE OF AN AGGREGATE SPREADER IS REQUIRED WHEN PLACING AGGREGATE BASE. 6. BASE MUST BE APPROVED BY ENGINEER FOR DEPTH, TEMPLATE, AND COMPACTION BEFORE SURFACE TREATMENT IS APPLIED. Z PRIME COAT MUST BE APPLIED TO BASE MATERIAL PRIOR TO PLACEMENT OF ASPHALT (PRIME COAT RC -250 0 0.3 GAL./SQ. YD.). 8. BITUMINOUS SURFACE TO BE APPLIED IN ACCORDANCE WITH CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS 9. ENCROACHMENT- POSTS, WALLS, SIGNS, OR SIMILAR ORNAMENTAL STRUCTURES 7HAT DO NOT ENHANCE A ROADWAY'S CAPACITY OR TRAFFIC SAFETY, SHALL NOT BE PERMITTED WITHIN THE RIGHT OF WAY. ONLY THOSE STRUCTURES SPECIFICALLY AUTHORIZED BY PERMIT ISSUED BY VIRGINIA DEPARTMENT OF TRANSPORTA77ON MAY BE LOCA7ED K177-IIN THE STREETS RIGHT OF WAY. LIST 1: GENERAL CONSTRUCTION NOTES 1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT-OF-WAY, INCLUDING CONNEC77ON TO ANY EXISTING ROAD, A PREMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION (VDOT). THIS PLAN AS DRAWN MAY NOT ACCURATELY REFLECT THE REQUIREMENTS OF THE PERMIT. WHERE ANY DESCREPANC/ES OCCUR THE REQUIREMENTS OF THE PERMIT SHALL GOVERN. 2. ALL MATERIALS AND CONSTRUC770N METHODS SHALL CONFORM TO CURRENT SPECIFICA77ONS AND STANDARDS OF VDOT UNLESS OTHERWISE NOTED. J. EROSION AND SIL TA 77ON CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WIIH THE APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONS7RUC770N. 4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED, AND MULCHED. 5. 774E MAXIMUM ALLOWABLE SLOPE /S 2:1 (HORIZONTAL: VER77CAL). WHERE REASONABLY OBTAINABLE, LESSER SLOPES OF J. 1 OR BETTER ARE TO BE ACHIEVED. 6. PAVED, RIP -RAP OR STABIL/ZA 77ON MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF 774E COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. Z ALL TRAFFIC CONTROL SIGNS SHALL CONFORM W1774 THE VIRGINIA MANUAL FOR UNIFORM 7RAFFIC CONTROL DEVICES. 8. UNLESS OTHERWISE NOTED, ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE -CLASS 111. 9. ALL EXCA VA 77ON FOR UNDERGROUND PIPE INSTALLA 77ON MUST COMPL Y 749TH OSHA STANDARDS FOR 774E CONS7RUC77ON INDUSTRY (29 CFR PART 1926). GENERAL WATER & SEWER CONDITIONS 1. WORK SHALL BE SUBJECT TO INSPECTION BY ALBEMARLE COUNTY SERVICE AUTHORITY INSPECTORS THE CONTRACTOR WILL BE RESPONSIBLE FOR NOTIFYING THE PROPER SERVICE AUTHORITY OFFICIALS AT THE START OF 174E WORK. 2. THE LOCA77ON OF EXIS77NG U77LI77ES ACROSS THE LINE OF THE PROPOSED WORK ARE NOT NECESSARILY SHOWN ON THE PLANS AND WHERE SHOWN, ARE ONLY APPROXIMATELY CORRECT. THE CONTRACTOR SHALL ON HIS OWN IN17IA77VE LOCATE ALL UNDERGROUND LINES AND STRUCTURES AS NECESSARY. J. ALL MATERIALS AND CONS7RUC77ON SHALL COMPLY WITH 774E CURRENT EDITION OF THE GENERAL WATER AND SEWER CONS7RUC710N SPECIFICA77ONS AS ADOPTED BY THE ALBEMARLE COUNTY SERVICE AUTHORITY. 4. DATUM FOR ALL ELEVATIONS SHOWN /N NATIONAL GEODETIC SURVEY. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR N077FYING 'MISS U77LITY" (1-800-552-7001). 6. ALL WATER AND SEWER PIPES SHALL HAVE A MINIMUM OF 3 FEET OF COVER MEASURED FROM THE TDP OF PIPE, OVER THE CENTERLINE OF PIPE. THIS INCLUDES ALL FIRE HYDRANT LINES, SERVICE LATERALS, AND WATER LINES, ETC. Z ALL WATER AND SEWER APPURTENANCES ARE TO BE LOCA IED OUTSIDE OF ROADSIDE DITCHES 8. VALVES ON DEADEND LINES SHALL BE RODDED TO PROVIDE ADEQUATE RESTRAINT FOR THE VALVE DURING A FUTURE EXTENSION OF THE LINE. 9. ALL COMMERICAL BUILDINGS WILL BE REQUIRED TO HAVE A BACKFLOW PREVENTER 10. CONTRACTOR SHALL FOLLOW ALL THE CURRENT GUIDELINES & SPECIFICA77ONS OF THE ALBEMARLE COUNTY SERVICE AUTHORITY. (VARIABLE WD 774) 4" CONC. (3000 PSI AT 28 DA Y, OR STONGER) `-- 4" 21-A STONE BASE CONCRETE SIDEWALK NO SCALE I I II A- HWMS o STREET APPROACH sat SMAC lit TO SE ASON FLAW r. ( AS M01HIM ROAMAY ISM NOTE 0 SWM I 4tCRAM TO K AS C04 Ngr7n) SHOWN ON FLAW c Mim14Lkq_ y 2) OPTIONW4. - �- Wx_-som •W. r-0" oftAS w MAIRU E ROADWAY *00 ON TYPICAL WCTIOK A -J PLAN VIEW MASSE ROADWAY SLOPE 10' PARA ILIC CAVE a r OP °9 OPEEp1mm D MAMEEEkmiL - - - - _ - _ -, $LNm aavmDE 0 t o N CONSTRUCT ORM CHAIOEB WITH A PAR06MX CURVE. SECTION A - A CLM A3 ..... SECTION C -C GENERAL NOTES L WHEN Tib 1JSED FOR T� TW6T RET . M4W2W Z TUDbMiT RR2Wj? CMAICPAIA O�TTRIK:K TIE DEPTH FOR SWWALK b000 RAPS WITHIN TIE LIMITS OF THE RAOISHOLLO E INCREAM TO T. 3. WHEN URED I)1gC)MUNCTION WIIT�HH'TTr MO a- �TO WF THE MOUHH'NR� 4. SEE STAMDARD Or. -I2 FOR OLM RAMP TION TO E USED WITH THb STNOAAD. 0. OPTIONAL FLOWLNE MAY REOU1! WMMIO tlF A PORTION of OUTTER TO PNIECLUOE POU0IF10 OF WATER. ENTRANCE NOTES Eg�p� p� 0. Lwb� R T APROM�OE PORITTIVgE�OT momoE nAW5 7. It/w llEUI�EE P03fCEyPT NIY SURORAOE STAIR &M LW OF iIUWCE�rr WNQI CAII BE L RAMAL CWS OR COOTT MEMT CM AM CUTTER E7 molt mm LpDKIRPOSEL mv Ili RAWpLRIEp�� WUR HL TAB A% VN.UES AE NDT /OPLICAa.E TO�>nREET ALLOWABLE ENTRANCE GRADE CHANGES ENTRANCE VOLMIE OESMAILE MAXON wo MORE THAI mo VPD 6% 3X ISORtl 000-1600 VPD sax M x LOW LESS TM 300 VPD sex OX 1 •,11L = A is To'STREET�"•'•••CONIdC'rm' •�• W'HCATNON CONIwECT10N FOR STREET N TERSEC II W2 TMD COhMIERCIAL ENTRANCES vmm oEPAtTMENr Cr TRMETORTATTON CC -11 203.04 W22 GENERAL NOTES: THE KTECTA M WARP" SHALL E PROVOED BY TIWNCATW WKS. � L HCV THE 2. F wM1MlO T � E eiPIICAM;T)Aa arta WO CTAM CBR +d0a HTtfN TYPE A 3. SLOPdD SIDES ANY E POURED MOIpLI1N_h WITH RAMP FLOd! OR SY t MMWT1pN01R�1 JJAOOINTT B W .. PERPENDICULAR 4 AFwFpITT�ENR PAN CF%T"SHALI�6pE�C1LA8SS A4. Of WAI PREC RWP�LOO T A.OW xNaOEP� a FLOOR, IIAIp 0T0R. C$ 0 E�ODVER �� �t�p p1TT�R gpp� Ap�AN IME NCLApEZ MI PAYMEIMT FOR etMBCIM! NO GUTTE11To Cu! RA:PIi TYPE B t AS��T�w�f cTla�rsF PARALLEL BY pgT�%I�& A*AT? pEQAIOI� OF T6Q. 316 HDRIM . THEY IRIiT E LOCATED TWI�TIAI'PIOEST of OIa I NOT ORFps ST PATN "EAW 5 CF AfACLI *^"" S. RAIPS WY E PLACED ON RADIA, OR TA/ICEHTUL SECi10NR PIIOVOED THAT THE CIAB OPENING K PLACW TIF IMTs OF THE W ISWALK AND TIE COIMLC OF TtiE Glle OPOBID HE r TAW AT X .2' HIG Ut THAN �[" tDDE OF PAVEMENT THAT Ili SLOPE AT PERPEIOIQR Mt TO TIE CURB R AT XX . SAME AS TOP OF CUM a a v THE RA c�qT vY TYPE C PARALLEL alt PERPENDICULAR TRUCK fiR Flq FOR TE H. p` WHIm 1HYSKH�INEQ4WUK PATH r HETN SHALL WE 9EDPAiX. LP• - 2.4. TRUNCATED DOAE 00 00Cocoo40 e0000o0000000a . 00000a00co0000 , + �Yo0000000000000 d • o o o 000:0000000 yOX_�� ER coco000000000 00000000000000 4" V BA7E~QAIETER �-Pfi IJ/TS� TRUNBM DOME DETECTMJE WARNING AL CG -12 DETECTABLE WARNING SURFACE SAL NOTES 20D 057VRIgMA CPA PANT OF TRAIPORTATHON 4" I T T CG -6 POINT OF CG -6 R/W 1 4' CONCRETE CURB &GUTTER CURB & GUTTER 4" CONCRETE f f SIDEWALK FINISHED GRA SIDEWALK \ Q EXIST. GROUND 3 2" SM -9.5 1'• 1' EXIST. GROI SCOT R. COLLINS'Z _ •L7,-,, . �, . �, 6• U No. 35791 6' 7LAN77NG 4' MOT 21A STRIP PLANANG / 4 T 4" STRIP 4" VDOT 21A 4STONE BASE SMINE 3' BM -25 S STONE BASE Off, ✓ EXIST. GROUND o.5 BASE N3A,S�, 6 5 5 EXIST. GROUND �SSIONAL E�Gl 5" 6' 2.5' 76' 7' (TRAVEL LANE) (TRAVEL LANE) (PARKING LANE) 55" TYPIC14L STRE'E'T SL�G"TION 07PT H P14RffING ONLz' SII�Ly 1551 RZIPr CLAREMONT LANE - AS PROPOSED UNDER THE APPROVED "OLD T L VI GE PHASE 6 BLOCK 3 PHASE A SITE LAAr DATED 6/8/08 NOT TO SCALA' TOP OF - CURB R/W CSL R/W POINT OF FlN/SiIED GRADEGRAVEL/ GRI VEL/ STONE 2' SM -9.5 STONE BASE 8" 21-A 1' 6" 76, 1' - 20' TYPICAL PR. VATF ALLEY SLL"TION *V"11VVTVAT CWRT NOT TO SCALE R/W CA R/W POINT OF FlNISHED GRADE / 2' SM -9.5 I1L1 1 1 I odo. 3" BM -25 0 6' 21-A L 2' 10' 10' 2- 24' TYP162L PRIV.1 TL' ALLLTY S.E'1G'T10N *V"1AV7Vy PLdCA' NOT TO SCALE S TREE T TYPICAL CROSS SECTIONS SCALE: NONE R/W CA R/W POINT OF FlNISHED GRADE 2' SAI -9.5 12.1' - / 1 1' n--*** AH44dtt -d- oo'o 8" 21-A 1' 1• 24' TYPICAL PRIV.4TE ALLAW SA'G"T10N A ,VR r1AV..7VN LANA' NOT TO SCALE Pavement -- RF= 1.0 Location ADT HCV Design ADT CBR SSV Dr Surface ! h a Base lb Min. shoulder width a Sub -base ' h a Dp MorningtonPlace 316 0 316 5 5 10.42 SM -9.5 2 2.25 BM -25 3 2.15 21A 6 0.6 14.55 Claremort Lane 600 5 650 5 5 12.93 SM -9.5 2 2.25 BM -25 3 2.15 21A 6 0.6 14.55 Mornington Lane, Mornington Court 147 0 147 5 5 7.75 SM -9.5 2 12.25 BM -25 0 2.15 21A 8 0.6 19.30 Table 5: Street Design Street Design Data Street Public or Private Maintenance Design Speed mph Min. CL radius ft. Max. Grade Min. K crest Min. K sag Min. Stopping Sight Dist. Ft. Min.. Int. Sight Dist. Ft. Min. travelway width ft. Min. ROW width Min. shoulder width Sources for Standards Claremont Lane Public 20 120 10% 7 17 125 200 28 Table 1 - VDOT Sub. Str. Req. ;Momington Place Private Alley n/a 40 10% 5 15 100 200 20 w g Subdivision Ord. Section 14-412B Mommgton Lane Private Alley n/a Wa 20% n1a n/a 1100 200 112 1 1 1 Subdivision Ord. Section 14-410 Mo on Court I Private Alley n/a jWa 20% n/a n/a 1100 1200 112 1 1 1 Subdivision Ord. Section 14-410 ,d'-'-" �2" R �N 6 STANDARD CG -6 CURLS & GU T TER NO SCALE 7" /DOT #57,#68, OR #78 STONE BASE UNDER CURB & CHECKED BY VDOT PRIOR TO PAVING AND/OR BACKFILLING. LEGEND PUBLIC STREET PA YEMEN T EXHIBI T SCALE: 1"=80' 0 0 0 W -4-4• 4 o C) r Cr •-r M fV M d - WN c'V W C114 CV W L9 W H O W� x U I UlW � Z O 1W a C Wi F- C > c u C U G T U-) v Za r z o� 1-4 C P__4U r Wa T A C v, C caC U) LUEn C L , I Q UC s 3 w L V, a LJ1 •� C W_ rC C UC U') T 0 0 c: Z z � J Lz Q `L J z U `` Cr z C �-- a C c a U O L a 4 a J C t7. ~ C LU `-' W � 0- Nn T JOB NO. e 02006 V SCALE AS NOTED C SHEET NO. C 0. S-4 s H 15'x° Nn Nn W w g i Z O a 0 0 0 U D m U D U>> ZN W ¢ O a 0 0 O z Q a W Q a W 0- W 0- E m Q z Q z z > H > oC CWC CWC W 0 0 0 W -4-4• 4 o C) r Cr •-r M fV M d - WN c'V W C114 CV W L9 W H O W� x U I UlW � Z O 1W a C Wi F- C > c u C U G T U-) v Za r z o� 1-4 C P__4U r Wa T A C v, C caC U) LUEn C L , I Q UC s 3 w L V, a LJ1 •� C W_ rC C UC U') T 0 0 c: Z z � J Lz Q `L J z U `` Cr z C �-- a C c a U O L a 4 a J C t7. ~ C LU `-' W � 0- Nn T JOB NO. e 02006 V SCALE AS NOTED C SHEET NO. C 0. S-4 s H 15'x° PIPE SLOT (2 PLACE$) NOM - (1) UJ!4PAVO APIA (PRI 0). PAVW A9EAS IJEIV OR APPROVED EWoiA31 (3} FIOR TDI; W WAD TIE FRAME do COVER (SEE FIG. s—i—D.E) SLOPED AREA -t STREET SURFACE OR NON—PAVED AREA V-0" MAX 'WEDG-LOK' TYPE %.�- :,AC :=1 I-. r RUBBER COATED STEEL AW = :_I: k:.A _ IAL STEPS OR APPROVED3'-IY H MIN EQUAL CAST IN PLACE ��• Z PRECAST RpNFORCED Z CONCRETE SECTIONS 12' -MIN o V* RING SEALS • 16' IMAX i P i' L MINIMUM ELEVATION IAI,!t...l I . o Ntl. STA`.= — V 1 R=,. .. .. mi:::.. DIFFERENCE ACROSS M.H. 5" will 4"-0' U - 11111- FROM INLET TO OUTLET �: i � TI6' r•,=.= DNS -AP—_ a= Zw=< SHALL BE 0.20 FEET. J.- L=F.':(J- IQ� r i'� • .TT LS.►ll DEPTH OF FLOW C� ETE TS LU �^l�>r�IfaM 1 ....._.� I:13 I. f. VARIES CHANNEL TO BE IA 1 121 _ a 1 ...'',NFFF= F'...;;,1NT= ST P P= S -i%: I RF IhJ - A. I Ft ,. P .., ,I:�►::F•f. f• R=n) `•. - OF '1.. .-z ST :NF _o U)N 3/4 DIAMETER INSTALLATION IN TRENCH LU NTS . a T";I" CONTRIBUTNG&**4,-z_ i �--`` ? 7 �'r;SECMN as SEWUL A RUE= INVERT L A SMOOTH A MANSITTON w n_ow BETIMMN Agu@mMIN. P&IET do OUTLET PIPE SHALL BE PROVIDED. sn BEDDING NOTE • W/ NO 68 STONE 1. BEDDING THICKNESS REQUIREMENT SHOWN IS MINIMUM AND SHALL BE SPECIFICALLY DETERMINED BY THE CONSULTANT FOR THE SOIL CONDITIONS. 2 THE CONSULTANT WELL DETERMINE 1HETHER MANHOLES SHALL HAVE EX'T'ENDED OR NON --EXTENDED BASES. 3. ALL JOINTS. LIFT HOLES. INLET'S. OUTLETS TO BE SEALED & GROUTED INSIDE AND OUT. TYPICAL MANHOLE SECTION SHORING BRANCH TIE-IN NTS FIG. S—I--A DImo";MFZAFZ-"jMWZ m UFT NOICH C"'T : IRON UD1 le- Jim 80X" • jN 4' L ►"11 I : PLIII I}O •4_*9m_ 1ri0d S RIE$iNITN° `CAST OW 0110"Mand TAYLOR Na . 401',1.-�8 E ' ilF'`8tii�K ar d,CDt >'� �+� OWTH TO fir- ice$ A i.-3/*` 0IAM9"* Him 18 AVAROW iN 'EIS 'LIQ. TYPIPA, E, R BOXY r NT.S OG W-7 .MIGr1ON BOLES. TRANSF� PAM PEDESTAM ETR SHA.L PDT BE LOCATED VTrM 7H RM HT OF WAY. L LACATZIN UF or►ER UnUTM a ELECT= TELEMOC CMLE. ETW E ASElENT VIUM 9 WATER OR SEVEl MLY - W MD MM LIMIER t. SEVER 30' NDr m ■ SEE PART 3, PARAGRAPH D1 S£P MTUN OF WATER L SEVER LINES. U'TR ITES CROSSM A VATER M SEVER EASEMENT SHOULD DE AT 90' M THE 2166 OF' WAY. UTILITY LOCATIONS & EASEMENT WDTHS Nn m V-1 - FM jo.01 AHCi10R BOLT ON CENTER UNE OF BM BMW 10' THIW &4 Ir USE 2 STRAPS ON SMOS AMMMT TO 881& - FOR lir KW 119E 3 STRAPS AS SHOOL A-4 7 '0 4C it 13 GOOD I OUNDA I ION MA I I RIAI POr: KY I OUNDA I ION VIA I I HIAI IN IIA_ VA: 10F R Frr .., '.-`.•TONC -,TA 33 _C :CPA L IIIL V!_,I Oki G- IL PL -JC I. ,_FA0V_ AL_ IG VS_Ft_ IL P 'L RLSI (iA FtC•2_1, AAL) r ILN C'.:•.:4P,AL I I IL ^IL ';h I'kvVJ_`L A 4 VL_ _-INC Cr I OUNDA I ION IN POOR SOIL 1.1NDLN - C'l.J I CONDI I ION .IT Al ?t1-Kril _ M11 vt _AR F _L A': Al( Svt -. ^:r - l. t-1�.� P.':n:'.:• :: AI r:- A ?.,>:• C .;r:•:TTI IIS. a4' •^I- TII_ ':'�r`.Tr; Aar::. _. tJ f C '.S LAR.' _r•. -H/•.N 6 At -Y C�I1jE` OtJ �- r._L ? _ ;1. r: _L�:. E IH= 1-4I I�,L S1': '.-L_ tJI- AL= r": � l- LL �I I _-L�= � ED AI`,.-; _ .1'►I'r.C-__. '^J _IfTS NO : .,�_-At -. ='_ -Pn7r\ rv,; -RIAI C;- �1:- '711A -r Al IN 11= SEL_ -;:_=5 SH,..-- 1_ L-1„I:i 101-1 A. A_L CAz'="i. DUCTILE IRON WATER PIPE INSTALLATION & BEDDING `-T TD -i SEWER RVIGE LATER,Ai. CQNNECTION NQTES Y. WWERE A SEWER SERVICE LA'CRAL CONNECT' S" TOA MA MD NO 011100 tT�Ti1CAI�iHE�A(M_ X�i T1SGE U1TER+kL PIPE. SHALL 8E AT LEAS 0,2' I-, R- p' h1+Vl 7W 1TO 1f1 1A A7tON GIF THE THE LOV T k EGTED C{>tY[EAPIPESi1 1�IAiw. MAg1I:BET�, I* AN APP"%" I�?tlAL. 3.III1N(IAt1il1 } FOR SIrR SER1Ai01ftl�i 0t,1.:0x ISR FOOT 1 4-A LL SEWER LA1fAALS SHALL NAVE A MINIMUM 13AME7ER OF". 2' MIN 5 -ALL SEWER LATERALS SHAM. HAVE A MINIMUM CO'VEIi OF 3 FEET. CONCRETE BLOCKING_ FOR UPPEIR VERTICAL BENDS LETS FIQ. w7m 6r mum A A � Q LI �7 i � D 'I A I ►Ll L5, 11< 1I; •.1r. dPiiCNtfl .�-''� Li Li00 01D00j, ! Jkt� ❑ r7 QIallft1 JN:•' Tl. ,BEC 5-.H::_E I =T=FI :'I F IQ WI-71-4TF= !;%7j V. r15-..r:=:F ash r: nl h..ilnllkl(''>.� A. 1`` _)'ANI : _;:r_A I L:� N A LL :,N I C' R:;I? . A A I :.3 , 1N II VA V 10 ! )-i-w w I 3? • ASM ALT IR=ADCC A:0-014 T•D <IJ6 _LL NI_L c.{.:. P= USF'' ,j : F•rr1-i".'h•'I=..F'F•:" �T 2RR.^•lIV i 7i=F= iwl =: WTF '.i �i= I+rJi YT=P F-,== MAI%'A;'J .� ' 01% T-= kAA h• T•7 FI :E -171D-=ANT r.' Ni I U i rJC i Tti F'S ` -I AS ICG G?.ASC SI IAT : Lv' C ASEny rF; 4 -i C f ;: IYDRktJ- W VA = 4C -d. 4 -1 +-jF : `1A_V[ IS -=''':C I'• S I }U_C:R C - CC IAC TI -_ C -.I . T IS rJ^T Al ^fiF i N -F= -)-i H. -IRC SI LALL CC IIJSTALL:C A- :-:A -•:SIJ: ?' ICRC FC• I•'r, nl•F r r.c:`i- 11- I.R C: ,O(iN.;*,''A F • FI F,.JA OJ 1 - ..EQ. RED -.7 BE I\ le•'ET REAS, --IE 'st=cF• FZ)_ES SHALL BE JJ:G:ti AI4C -1 : I ''DRk.•J- ,_ IALL 3C MAPED CRY. TYPICAL FIRE HYDRANT ASSEMBLY DETAIL `J T.s C tr_e_ %.�- :,AC :=1 I-. r rON AW = :_I: k:.A _ IAL IA'J 3 F. A .'Y H r. ��• Z y Z W 11 v• _1 L _'"F'.VAC I o 1 Nr OF APPrt:;'=1" E i P i' L a IAI,!t...l I . o Ntl. STA`.= — V 1 R=,. .. .. mi:::.. N N m.I U RF,`;J R:FP -IF'•. 0I �: i � TI6' r•,=.= DNS -AP—_ a= Zw=< 1+--I ■ ■Y■ J.- L=F.':(J- IQ� r i'� • .TT LS.►ll -NIINL_Y i-' I 1•". 2"A SIv1L. LU �^l�>r�IfaM 1 ....._.� I:13 I. f. AN 'k.I`ACI__. A'._' µL_ _-C)%L',._k.-O V LL) •'�k A 4 U -3.D .0 .I •V. 6S LU W d. IA 1 121 _ a 1 ...'',NFFF= F'...;;,1NT= ST P P= S -i%: I RF IhJ - A. I Ft ,. P .., ,I:�►::F•f. f• R=n) `•. - OF '1.. .-z ST :NF _o U)N TYP CAL SEWER PIPE INSTALLATION IN TRENCH LU NTS . a T";I" ;fmiZI.-rLm-Airiiz i �--`` ? 7 �'r;SECMN as ©FZ,=,. 5-MM"I W WrArr,1770.MrLM.Pte'"l . - ,r, . AV GMFZ:tM-i FZ-arMF DImo";MFZAFZ-"jMWZ I - �i C� i� EJB t� CJS ET[� -j •, .. Illl cm JFir"I. r Li: r4j IN UNE WYE -TU PLAN VmKS CONCRETE BLOCKING_ FOR UPPEIR VERTICAL BENDS LETS FIQ. w7m 6r mum A A � Q LI �7 i � D 'I A I ►Ll L5, 11< 1I; •.1r. dPiiCNtfl .�-''� Li Li00 01D00j, ! Jkt� ❑ r7 QIallft1 JN:•' Tl. ,BEC 5-.H::_E I =T=FI :'I F IQ WI-71-4TF= !;%7j V. r15-..r:=:F ash r: nl h..ilnllkl(''>.� A. 1`` _)'ANI : _;:r_A I L:� N A LL :,N I C' R:;I? . A A I :.3 , 1N II VA V 10 ! )-i-w w I 3? • ASM ALT IR=ADCC A:0-014 T•D <IJ6 _LL NI_L c.{.:. P= USF'' ,j : F•rr1-i".'h•'I=..F'F•:" �T 2RR.^•lIV i 7i=F= iwl =: WTF '.i �i= I+rJi YT=P F-,== MAI%'A;'J .� ' 01% T-= kAA h• T•7 FI :E -171D-=ANT r.' Ni I U i rJC i Tti F'S ` -I AS ICG G?.ASC SI IAT : Lv' C ASEny rF; 4 -i C f ;: IYDRktJ- W VA = 4C -d. 4 -1 +-jF : `1A_V[ IS -=''':C I'• S I }U_C:R C - CC IAC TI -_ C -.I . T IS rJ^T Al ^fiF i N -F= -)-i H. -IRC SI LALL CC IIJSTALL:C A- :-:A -•:SIJ: ?' ICRC FC• I•'r, nl•F r r.c:`i- 11- I.R C: ,O(iN.;*,''A F • FI F,.JA OJ 1 - ..EQ. RED -.7 BE I\ le•'ET REAS, --IE 'st=cF• FZ)_ES SHALL BE JJ:G:ti AI4C -1 : I ''DRk.•J- ,_ IALL 3C MAPED CRY. TYPICAL FIRE HYDRANT ASSEMBLY DETAIL `J T.s C tr_e_ OFA SCOTT R. COLLINSZ H 35791 1� ;S`SIDNAL ETON %.�- :,AC :=1 I-. r rON AW = :_I: k:.A _ IAL IA'J 3 F. A .'Y H r. ��• Z NIIP,I N � ..-11 Z W 11 v• _1 L _'"F'.VAC I o 1 Nr OF APPrt:;'=1" E i P i' L a IAI,!t...l I . o Ntl. STA`.= — V 1 R=,. .. .. mi:::.. N N m.I U RF,`;J R:FP -IF'•. 0I �: i � TI6' r•,=.= DNS -AP—_ a= Zw=< 1+--I ■ ■Y■ J.- L=F.':(J- I►�1 =10,'Fr) t`.RF�:S 'N -A N F IS- %.G, - ,,,- ; --F-- ::F ':NAY :.1 -Al R = �LLLL- oU)Q -NIINL_Y i-' I 1•". 2"A SIv1L. LU =!?R: . - F R;' . =1== TI--= P.;.TTiJ'. 0= --1F TRF'..- S - AA I :�F S,�R:APFD Z AN 'k.I`ACI__. A'._' µL_ _-C)%L',._k.-O V LL) •'�k A 4 U -3.D .0 .I •V. 6S LU W d. IA 1 121 ...'',NFFF= F'...;;,1NT= ST P P= S -i%: I RF IhJ - A. I Ft ,. P .., ,I:�►::F•f. f• R=n) `•. - OF '1.. .-z ST :NF _o U)N TYP CAL SEWER PIPE INSTALLATION IN TRENCH LU NTS o FIG. .. .. LU OFA SCOTT R. COLLINSZ H 35791 1� ;S`SIDNAL ETON W O O o � N L9 rON M H Z N1 Z W o _ E C F a F- o O W V 1 C ` a N N J U a 2 c z a= Zw=< 1+--I ■ ■Y■ s U I►�1 � oU)Q L9 W LU OJ Z Q LU W d. O3 3 H _o U)N LU Z .- I o LU U) W W O O o � N L9 rON M z N1 V a MCL w C F W I F- C = C O W V 1 C ` a N N J Q a 2 c z a= w 1+--I ■ ■Y■ s U I►�1 � C C J L9 W LU Hwa Q C (� 1 ( � V / W a Q -C O3 3 C;6 TYPICAL SEINER SERVICE LA 1 ORAL C:ONNEMN � � m W w 1 O x N. S. ` C FIA., �-2 a — / t Jordan Iron r-� TOP � / �!. Works 00104316 2�p DIAL 9 > i ► ' IIS Foundry Corp. USF 710 ring & DY cover SECTIQtu A-As0 II or approved equal it c r > '"LTV R .6 t 1, 1` TRAFFICell � E `L u u LJ [L3L3J-L. ,�,.:,�.a� & O.WC 00 I L COYER 1045 1J� 1i 1❑ _T1 ] FRAME t2p1' ! 2 U1 EIFIIER Cp/Eit A 090 WY 6E UaE1iF WITH FRMS. (k.� [ 897m67mm0] �I�I xa-• Iwo.. j5 •EOpA�i16 L6�, i '� F _44n 24" DM I O [so6mm] 'I SEC70N IA -A m �_ 2$ 7/16' DIA i STANDARD MANHOLE FRAME AND COVER 36' DIA [914mm] 41NM�� T>1R�A7gK n XV. + FRAME SECTION U M z a L PRECAST CONCRETE MANHOLE BASES SHALL BE FABRICATED IN ACCORDANCEUl I J C C NTH PART V, SECTION G OF THESE SPECIFICATIONS. � ? w U � -C w O ii.C SET DOGHOUSE BASE a EXISTING SANITARY ■ C ON CONCRETE BLOCKS SEWER PIPE J z (4) 1" (25mm) DIA HOLES 2" (51mm) LETTERS DOGHOUSE OPENING SHALL • , MIN. 12" CLEARANCE LL ON 32 3/4" (834mm) DLA(RECESSED FLUSH) BE PREFORMED BY BETWEEN EXISTING PIPE ca 2 L` BOLT CIRCLE. MANUFACTURER OR ' ' AND STONE BEDDING 1w SAW CUT TO FIT PIPE OUTSIDE DIAMATER •" z [25mm] PLUS 6". O L' `I z 12" THICK VDOT � � Z N (2) CLOSED No. 68 STONE BEDDING _ PICKHOLES SOLID CO AND 4"x8"x KS W C SOLID CONCRETE BLOCKS CENTER W/RISER DOGHOUSE MANHOLE BASE Llr / . 1/2" WALL (4 EACH) MANHOLE ABOVE BASE SHALL FILL DOGHOUSE OPENING e BE CONSTRUCTED AS SHOWN AROUND EXISTING PIPE ~"� C ON FIGURE S -1-A NTH 3,000 PSI CONCRETE 1 OR NON -SHRINKING GROUT r T, � w J O 'v Q ALLOW CONCRETE 0 O O C F �%�� TO FLOW A MIN. WRAP EXISTING PIPE WITH 00 CL y Y (2) CORED 1'-0" BEYOND BASE x NEOPRENE GASKET MATERIAL a BEFORE FILLING THE OPENING a PICKBARS OF STRUCTURE NEOPRENE SECURED BY 2 NON- -C CORROSIVE STRAPS, 1 ONU LU 1 1/8" (29mm) DIA BOSS EACH SIDE OF OPENING a J C 12" MIN. CAST -IN PLACE F- v 26 DIA 1 1/2" 3,000 PSI CONCRETE BASE _ 1 1/2" [660mm] Ern+] FOUNDATION SECTION VIEW [3$mm]1/4' (6mm) DIA 3 1/$" p LU - 7" NEOPRENE GASKET [79mm] NOTES: a N C [178rr 1. CONSTRUCT A FORMED INVERT FROM NEW SEWER LINE TO ALLOW ]OB NO. e I FLOW TO THE EXISTING PIPE. 23" DIA 2. POUR A SHELF TO THE LOWER HALF OF THE EXISTING PIPE. 02006 [584mm] 3. CUT AND REMOVE THE TOP HALF OF EXISTING PIPE TO WITHIN 6" o 25' DIA OF THE MANHOLE WALLS AFTER THE INVERT AND SHELF HAVE SCALE c [635mm] BEEN FORMED, AND THE MH HAS BEEN FULLY TESTED IN z 5/8' O.D. OF GASKET GROOVE ACCORDANCE WITH THESE SPECIFICATIONS. [i8mm] SECTION TYPICAL MANHOLE BASE AS NOTED SHOWING "DOGHOUSE" INSTALLATION SHEET NO. c a N. S5 v S-- - FIG. 1-A1 a TD -22 IS- sop u LEGEND EROSION & SEDIMENT CONTROL WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND ROAD MEASURES: EROSION CONTROL INFECTOR � _ _ EXISTING CULVERT STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE /N ACCORDANCE EROSION CONTROL NOTES CULVERT WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL IMMEDIATELY. SILT TRAPS ARE O BE CLEANED WHEN 5OX OF 7HE WET STORAGE MEASURES CAN BE ESTABLISHED. PRAC77CES USED /N THIS SECTION CONSIST OF THE FOLLOWING: ES -1: UNLESS 07HERMSE INDICATED, ALL VEGETA77VE AND STRUCTURAL EROS/ON NECESSARY TO ACHIEVE A GOOD STAND OF GRASS SILT FENCE AND DIVERSION DYKES X 32 PERMANENT STABIUZAnON: 0 DROP INLET &STRUCTURE 740. THE ESTABLISHMENT OPERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING F BEDCTED AND SDIMENT CONTROLAND SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED RARY EROSION ALL TEMPORARY PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO 3.01 SAFE.ETY FENC• MAINTAINED ACCORD/NG TORMINIMUM STANDARDS ANDMLL SPECIFICA 77ONS OF CURB A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. O PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC. REGULA77ONS VR 625-02-00 EROSION AND SEDIMENT CONTROL CURB & GUTTER APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED REGULATIONS PREVENT EROSION BY PROTECTING THE SOIL SURFACE FROM RAINDROP IMPACT AND REDUCING UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY THE PUBLIC. ES -2: THE PLAN APPROVING AUTHORITY MUST BE N077FIED ONE WEEK PR/OR TO PROPOSED PAVEMENT AVAILABLE MOISTURE AND PROVIDING INSULATION AGAINST EXTREME HEAT AND COLD. AREAS THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE EC -3A DITCH 302 CONSTRUCTION ENTRANCE, A STABILIZED PAVED CONSTRUCTION ENTRANCE WIN A WASH RACK LOCATED AT POINTS OF COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO A DEP77-1 OF EC -3A DITCH VEHICULAR INGRESS AND EGRESS ON A CONSMUCnON SITE. TO REDUCE THE AMOUNT OF MUD TRANPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. THE FINAL INSPECTION. ES -3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES CONS7RUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE To OR AS THE FIRST STEP IN CLEAR/NG. WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED AMOUNT SEDIMENT 7RANSPORTFD ONTO PUBLIC ROADWAYS. ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL EC -2 DITCH 5 TO ABOUT 30 ACRES BE MAINTAINED ON 774E S/7E AT ALL TIMES. SHADE AND OTHER ENVIRONMENTAL BENEFIT'S WHILE THE LAND IS BEING CONVERTED FROM 3.05 SILT FENCE-• ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTI VI TIES /N AREAS 0774ER 774AN 6" DEPTH OF EC -2 DITCH A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED INDICATED ON THESE PLANS (INCLUDING BUT NOT LIM17ED TO, OFF-SITE DISTURBING ACTIVITIES. ACROSS AND ATTACHED O SUPPORTING POSTS AND ENTRENCHED, O INTERCEPT AND DETAIN BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A EARTH DITCH SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN SUPPLEMENTARY EROS/ON CONTROL PLAN TO THE OWNER FOR REVIEW AND ... -... ORDER TO PREVENT SEDIMENT FROM LEAVING 774E SITE; AND TO DECREASE 774E VELOCITY OF APPROVAL BY THE PLAN APPROVING AUTHOR/TY. DRI VEWA Y CUL VER T SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT ES -6: THE CONTRACTOR /S RESPONSIBLE FOR INSTALLA 11074 OF ANY ADDITIONAL BENCH MARK LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY EROSION CONTROL MEASURES NECESSARY TO PREVENT EROS/ON AND EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY AFTER EACH RAINFALL AND MAINTAINED /N ACCORDANCE WITH 774E VIRGINIA EROSION & SEDIMENTATION AS DETERMINED BY 774E PLAN APPROVING AUTHORITY. PRESENT HEAL 7H HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE SEDIMENT CONTROL HANDBOOK (VESCH). ES -7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL _ _ - - _ CLEARING LIMITS MADE. SEE STORMWATER MANAGEMENT PLAN SWM -1 & SWM -2 FOR F-UR7NER MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE /N ACCORDANCE WITH 7HE J 07 STORM DRAIN INLET PROTECTION: S17E DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. �- VDOT STANDARD STOP SIGN A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP ES -8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN a INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS APPROVED WATER FILTERING DEVICE. - - - -200- - - - EXIS77NG CONTOUR PRIOR TO PERMANENT STABILIZA7701V OF THE DISTURBED AREA. INLET PR07EC7701V APPLIES ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. Zpp PROPOSED CONTOUR STABILIZATION OF 774E CORRESPONDING DISTURBED DRAINAGE AREA. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN 774E EFFECTIVENESS H OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 240.55 PROPOSED SPOT ELEVATION 09 7FMPORARY DIVERSION DIKE. J.A TEMPORARY RIDGE OF COMPACTED SOIL CONS77RUC7ED AT 774E TOP OR BASE OF A SLOPING a f T8C DENOTES TOP/BACK OF CURB DISTURBED AREA. O DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM a T/B DENOTES TOP OF BOX UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -]RAPPING FACILITY SUCH EROSION CONTROL NOTES zp AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE p & SEDIMENT *HANDBOOK 7EWPORARILY DIVERTED TO R AREAS AND LOPES A IMENT ON RETAIN CTANCY ONE WEEK PRIOR INE 1' THE PLAN APPROVING AUTHORITY MUST BE NOTIFIEDPRIOR EROSION CONTROL SPED ATION NUMB ER ESE SISTURBED S17E DURING CONS7RUCnON TRUCTURES GENERALLY HAVE LIFE EXPEOF 8 ONE KTO 77 COMMENCEMENT OF LAND CAND * MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE. ONE MEEK PRIORONFERENCE, D STURBING APRE-CONSMUCTIVI7'Y,CTION E FINALTO I NSPECTION. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND STRAW BAIL BARRIER J. , 12 p/VERSIpN; MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF 774E VIRGINIA j A CHANNEL CONSTRUCTED ACROSS A SLOPE 747TH A SUPPORTING EARTHEN RIDGE ON THE EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR TEMPORARY DIVERSION DIKE 3.09 es LOWER SIDE. TO REDUCE SLOPE LENGTH AND O INTERCEPT AND DIVERT STORMWATER RUNOFF FROM 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. RUNOFF TO STABILIZED OUTLETS AT NON-EROSIVE VELOCITIES APPLIES WHERE J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS ST wpn oo TEMPORARY SEDIMENT TRAP 3.13 AREAS OF HIGHER ELEVATION MAY DAMAGE PROPERTY, CAUSE EROSION, OR IN7ERFERE WITH THE ESTABLISHMENT OF VEGETATION ON LOWER AREAS, WHERE SURFACE AND/OR SHALLOW THE FIRST STEP /N CLEARING 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE SUBSURFACE FLOW /S DAMAGING SLOPING UPLAND, AND WHERE THE SLOPE LENGTH NEEDS TO MAINTAINED ON THE SITE AT ALL TIMES SB ® SEDIMENT BASIN 3.14 BE REDUCED TO MINIMIZE SOIL LOSS. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES /N AREAS OTHER THAN INDICATED a 4.11 ON THESE PLANS (INCLUDING, BUT NOT LIM17ED TO, OFF-SITE BORROW OR WASTE INLET PR07EC77ON 3.07 O W J. 1J TEMPORARY SEDIMENT TRAP: A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A LONG AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. STONE OUTLET. O DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION SF SILT FENCE 3 05 ENOUGH TO ALLOW THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. USE BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONSTRUCTED DETERMINED BY THE PLAN APPROVING AUTHORITY. Z ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT CE CONSTRUCTION ENTRANCE J. E17HER INDEPENDENTLY OR /N CONJUNCTION WITH A TEMPORARY DIVERSION DIKE. ALL TIMES DURING LAND DISTURBING AC71VI77ES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 3.14 TEMPORARY SEDIMENT BASIN: A 7EMPORARY BARRIER OR DAM WI7H A CONTROLLED STORMWATER RELEASE STRUCTURE 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED CD ' CHECK DAM 320 FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRA/NAGEWAY. "WET" `DRY" FILTERING DEVICE. 9. CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN AND STORAGE AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR AF FD TEMPORARY FILL DIVERSION 3.10 LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT O SETTLE OUT. APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CON7R/BUTING DRAINAGE AREA IS EQUAL TO OR CLEANUP M MAINTAIN THE EFFECTIVENESS OF INE EROSION CONTROL DEVICES SHALL MADE lMMERIALDIA GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT PACE AND APPROPRIATE 7Y. 10. ALL FILL MATERIAL OBE TAKEN FROM AN APPROVED, DESIGIVAIED BORROW AREA. AL TOPOGRAPHY FOR INE CONSTRUCTION OFA TEMPORARY IMPOUNDMENT. 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL DV DIVERSION 3.12 SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND 3.18 OUTLET PROTECTION: STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATIDEVICES PLACED OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED W1774/N 7 DAYS OF COMPLETION PER s PS PERMANENT SEEDING 3.32 AT THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS O PREVENT SCOUR AT STORMWATER OUTLETS, TO PR07ECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTENTIAL ZONING ORDINANCE SECTION 5.1.28. FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 STORMWATER FLOWS APPLICABLE O THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT TO TO TOPSOILING 3.30 SECTIONS SHALL BE LIM17ED O THE HOURS OF 7.•00 AM TO 9. -OO PM. RIPRAP. 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED /N A SAFE MANNER THAT 8CULVERT INLET PR07EC77ON 3.08 ,319 A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WITH TO PR07ECT THE SOIL FROM 774E EROSIVE MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE O ADJACENT LAND AND IMPROVEMENTS AND DAMAGE TO ANY FILTER FABRIC OR GRANULAR UNDERLINING. PUBLIC STREET BECAUSE OF SLIDES; SINKING, OR COLLAPSE. FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE 16. THE DEVELOPER SHALL RESERVE THE RIGHT O INSTALL, MAINTAIN, REMOVE OR DC DC DUST CONTROL 3.39 ENHANCING THE P07EN77AL FOR INFILTRATION, AND O STABILIZE SLOPES WITH SEEPAGE CONVERT TO PERMANENT STORMWATER MANAGEMENT FACIL177ES WHERE APPLICABLE ALL . PROBLEMS, AND/OR NON -COHESIVE SOILSUSE WHEREVER SOIL AND WALTER INTERFACE AND EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OFVE THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATICOVER, ETC., ANY LOT, UNIT, BUILDING OR 07HER PORTION OF THE PROPERTY. TSD - - TEMPORARY SLOPE DRAIN 3.15 ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING /S TO BE AT 75 LBS/ACRE, AND /N THE MONTHS OF SEPTEMBER TO FEBRUARY TO 3.20 ROCK CHECK DAMS: SMALL TEMPORARY SONE DAMS CONS7RUC7FD ACROSS A SWALE OR DRAINAGE DITCH. O CONSIST A 50/50 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH REDUCE THE VELOCITY OF CONCENTRATED STORMWATER FLOWS, THEREBY REDUCING EROSION AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF SA SAFETY FENCE 3.01 OF THE SWALE OR DITCH. THIS PRACTICE ALSO TRAPS SEDIMENT GENERA TEED FROM ADJACENT GERMAN MILLET. STRAW MULCH /S TO BE APPLIED AT 80LBS/100SF. AL7ERNA77VES ARE AREAS OR THE DITCH /7SELF, MAINLY BY PONDING OF THE STORMWATER RUNOFF. THIS SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. PRACTICE, UTILIZING A COMBINATION OF STONE SIZES, IS UM17E'D TO USE IN SMALL OPEN 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND ® � TEMPORARY RIGHT-OF-WAY 3.11 CHANNELS WHICH DRAIN 10 ACRES OR LESSS, MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF, DIVERSION INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING CONSIST OF 95X KENTUCKY 31 OR TALL TABLE 331-A LIMING REQ FOR TEMPORARY SIZES Recommended Application st PH Te below 4.2 3 Mons per acre 4.2 to 5.2 2 tons per acre 52 to 6 1 ton per acre 3.31 TEMPORARY SEEDING. THE ESTABLISHMENT OF A 7EMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING BE CHED MMEDIA=1 SHALL BE APPLIED AT 180LBS/ACRE AND FESCUE AND 0-5X PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS STRAW MULCH /S WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND TO BE APPLIED AT 80LBSIIOOSF. ALTERNATIVE'S ARE SUBJECT TO APPROVAL BY THE SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL EROSION CONTROL INFECTOR GRADE FOR A PERIOD OF MORE THAN 30 DAYS O REDUCE DAMAGE FROM SEDIMENT AND 19. MAW7ENANCE.• ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RUNOFF O DOWNSTREAM OR OFF --SITU AREAS AND O PROVIDE PROTECTION TO BARE SOILS RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR 07HER EROSION CONTROL IMMEDIATELY. SILT TRAPS ARE O BE CLEANED WHEN 5OX OF 7HE WET STORAGE MEASURES CAN BE ESTABLISHED. VOLUME /S FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN REDDISH BROWN SILT LOAM ABOUT 8 INCHES THICK. PERMEABILITY AND NECESSARY TO ACHIEVE A GOOD STAND OF GRASS SILT FENCE AND DIVERSION DYKES X 32 PERMANENT STABIUZAnON: WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND THE ESTABLISHMENT OPERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING F 3.37 TREES, SHRUBS VINES & GROUND COVERS STABILIZING DISTURBED AREAS BY ESTABLISHING VEGETATIVE COVER WITH TREES SHRUBS, SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED RARY EROSION ALL TEMPORARY PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER S17E CON01770NS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO NEEDED, SUBJECT TO APPROVAL THE EROSION CONTROL INSPECTOR. E NEEDED, IMPROVE WILDUF E HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF 21. THE E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE' E&S CONTROLS AS CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. NECESSARY /N THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT 3.35 MULCHING: BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. APPLICAnaN OF PLANT RESIDUES OR 0774ER SUITABLE MATERIALS TO THE SOIL SURFACE. TO SOIL DESCRIPTION PREVENT EROSION BY PROTECTING THE SOIL SURFACE FROM RAINDROP IMPACT AND REDUCING ABOUT 200 TO 400 FEET LONG. AREAS OF THIS SOIL ARE LONG AND THE VELOCITY OF OVERLAND FLOW O FOSTER 7HE GROWTH OF VEGETATION BY INCREASING SOIL CONSERVATION, OR TO ESTABLISH WILDLIFE HABITAT. AVAILABLE MOISTURE AND PROVIDING INSULATION AGAINST EXTREME HEAT AND COLD. AREAS 258 -DYKE- SILT LOAM- 2% TO 7X SLOPES, THIS SOIL IS DEEP, GENTLY V FOLLOWING 26C3 -DYKE-CLAY LOAM -7X TO 15Z SLOPES, SEVERELY ERODED. THIS DEEP DESCRIPTION OF EROSION & SEDIMENT EROSION CONTROL NOTES & NARRATIVE CONTROL MEASURES. PURPOSE: EROSION AND SEDIMENT CON7ROL MEASURES: THE PURPOSE OF THIS LAND DISTURBING ACTIVITY /S TO CONSTRUCT THE ROADS, ALLEYS AND UTILITIES TO IT /S ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DIKES, EXISTING SEDIMENT BASINS, SERVE 27 PROPOSED TOWNHOUSE UN/TS WITHIN BLOCK 3, PHASE B AT OLD TRAIL VILLAGE. INFRASTRUCTURE AND SILT FENCES WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL WILL TIE-IN WITH EXISTING FAC/L/TIES AND FACILITIES CURRENTLY UNDER CONSTRUCTION FOR BLOCKS 1 AND BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES TEMPORARY STOCKPILE 3-A. THE TOTAL AREA TO BE DISTURBED WITH THIS PHASE OF DEVELOPMENT IS 8.3 ACRES THIS DISTURBED AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED FROM AREAS TO BE GRADED AREA FALLS UNDER THE EXISTING DISTURBED AREA OF OLD TRAIL BLOCK 3A WPO PLAN. AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON S17E AND SHALL BE EXIS77NG SITE CONDITIONS, STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR 7741S S17E CONSISTS OF AN OPEN GRASS FIELD WITH NO VEGETATION. THE TOPOGRAPHY IS NEARLY LEVEL. ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION ACTIVITIES HAVE 7HE SITE IS LOCATED ON THE EAST SIDE OF OLD TRAIL DRIVE, DRAINING TO LICK/NGHOLE CREEK. CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL ADJACENT AREAS: BE LEFT DORMANT FOR A YEAR OR MORE. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME THIS S17E /S BORDERED TO 774E NORTH BY 774E EXIS77NG PORTION OF CLAREMONT LANE AND THE EXISTING OLD TRAIL SWIMMING POOL AND PARKING LOT. TO 774E EAST /S FUTURE UNDEVELOPED RESIDEN77AL BLOCKS THE OF YEAR APPLIED. FUTURE PHASE C OF BLOCK 3 EX/STS IMMEDIATELY TO THE SOUTH. OLD IRA IL DRIVE EXISTS TO THE WEST. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT 0FFSI7F LAND DISTURBANCE FOR MORE THAN SEVEN DAYS THESE AREAS SHALL BE SEEDED WITH FAST GERMINATING NO OFFSI7E LAND DISTURBANCE IS PROPOSED. ALL LAND DISTURBANCE /S TO OCCUR WITHIN THE LIMITS OF VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS, SELECTION OF SEED MIXTURE WILL DISTURBANCE AS SHOWN. DEPEND ON THE TIME OF YEAR APPLIED. CRI TICAL AREAS, C0NS7RUC770N ENTRANCE 77-IERE ARE NO CRITICAL AREAS LOCATED W77HIN THE PROJECT LIMITS A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF SOILS,• VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION S17E: TO REDUCE THE AMOUNT OF MUD SOILS MAP /S INCORPORATED INTO 774E EROSION CONTROL PLANS WITH SOILS DATA INCLUDED WITH THIS TRANPOR7FD ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. NARRATIVE: C0NS7RUC770N ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE SEQUENCE OF CONS7RUC77ON: AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS 1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE -CONSTRUCTION MEETING AS REQUIRED. ,SILT FENCE.• 2 NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT 774E A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS APPROVAL FROM THE INSPECTOR ON 774E PROJECT. AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN SMALL J. INSTALL 774E PAVED CONS7RUCTTON ENTRANCE WITH WASH AREA AS SHOWN ON THE PLANS. CONSTRUCTION AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS /N ORDER TO ENTRANCES TO BE INSTALLED WNERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PREVENT SEDIMENT FROM LEAVING THE S1 7E TO DECREASE THE VELOCITY OF SHEET FLOWS AND PROVISIONS SHALL BE MADE TO MINIMIZE 774E TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO LOW -TO -MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN THE PAVED SURFACE. WHERE SEDIMENT /S MANSPOR7E0 ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED 7HOROUGHLY AT 774E END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS SHOVELING OR SWEEPING AND 7RANSPOR77NG TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING INDICATED. THEY SHALL BE /NPEC7FD IMMEDIATELY AF7ER EACH RAINFALL AND MAINTAINED /N SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED /N THIS MANNER. ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 4. INSTALL 774E IN177AL CONSMUCT70N MEASURES AS SHOW/ ON 774E EROSION CONTROL SHEET. THIS PERMANENT STABILIZATION: INCLUDES SILT FENCE AND TEMPORARY DIVERSION DIKES MEASURES INTENDED TO TRAP SEDIMENT SHALL 7HE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING SEED. BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO PERMANENTLY FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE O S17E CONDITIONS, 5. IN ADD177ON TO ENSURING THAT THE PAVED CONSTRUCTION ENTRANCE IS INSTALLED, INSTALL ANY AND ALLOWS SELECTION OF 7HE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDUFE REMAINING EROSION CONTROL 17EMS AS SHOWN ON 714E EROSION CONTROL PLAN. HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES, ALL 6. ONCE ALL THE EROSION CONTROL I7EMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, THE CON7RACTOR CAN BEGIN AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. GRADING OPERATIONS. STABILIZATION MEASURES SHALL BE APPLIED TO EAR7HEN STRUCTURES SUCH AS TEMPORARY SEEDING: DAMS, DIKES, AND DIVERSIONS IMMEDIA TEL Y AFTER INSTALLATION. THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH 7. ROUGH GRADE THE S17E TO 774E CONTOURS SHOWN ON THE PHASE 1/ EROSION CONTROL PLAN. APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTATION BY 8. PERMANENT OR TEMPORARY SOIL STABILIZA77ON SHALL BE APPLIED TO DENUDED AREAS W977-IIN SEVEN STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF DAYS AFTER FINAL GRADE /S REACHED ON ANY PORTION OF 774E S/7E TEMPORARY SOIL STABILIZATION MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL OFF-SITE AREAS, AND TO PROVIDE PR07EC7701V TO BARE SOILS EXPOSED DURING CONSTRUCTION REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS PERMANENT STABILIZATION SHALL BE UNTIL PERMANENT VE"GETA7701V OR 07HER EROSION CONTROL MEASURES CAN BE ESTABLISHED. APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. DUST CONTROL: 9. GRADE OUT THE REMAINDER OF THE S17E AND GRADE THE ROADS AS SHOWN ON 774E PHASE Il EROSION REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL171ON AND CONTROL PLAN. INSTALL STORM SEWER FOR THE PROJECT, USING INTERMEDIATE INLET PROTECTION TO CONS7RUC770N ACTIVITIES PROTECT THE END OF THE PIPES. INSTALL OUTLET PR07EC71ON AS SHOWN ON THE PLANS. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE 10. FINE GRADE, INSTALL CURB & GUTTER, INSTALL SIDEWALKS, SEED AND FERTILIZED THE DENUDED AREAS INSTALL INLETS AND INSTALL INLET PR07EC77ON AS SHOWN ON THE PLANS THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS TRAFFIC SAFETY 11. INSTALL STONE BASE AND PAVE PARKING LOTS AND ROADS PROBLEMS OR HARM ANIMAL OR PLANT LIFE. 12 ONCE THE S17E IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN REMOVE DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF 774E EROSION CONTROL MEASURES NO ITEM SHALL BE REMOVED UNLESS 774E UPSTREAM AREAS ARE DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE /N ACCORDANCE WITH THE VESCH. STABILIZED AND 7HE INSPECTOR GIVES PERMISSION. TEMPORARY DIVERSION DIKE: 12. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT A RIDGE OF COMPACTED SOIL CONS7RUC7ED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN WHICH DIVERTS OFF -SITU RUNOFF AWAY FROM UNPR07ECIED SLOPES AND TO A STABILIZED OUTLET, ACCORDANCE WI7H THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. OR TO DIVERT SEDIMENT -LADEN RUNOFF O A SEDIMENT TRAPPING STRUCTURE. MAXIMUM 13. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER EFFECTIVE LIVE IS 18 MONTHS FINAL S17E STABILIZATION OR AF';FR 7HE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY 774E LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED ROCK CHECK DAMS, SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY SMALL, 7EMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENT4770N. VELOCITY OF CONCEN7RATED FLOWS, REDUCING EROSION OF THE SWALE OR DITCH. LIMITED TO USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS; SHOULD NOT BE USED IN LIVE STREAMS STORM DRAIN INLET PR07EC7701V: THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS OR CURB INLET SMUC7URES PRIOR O PERMANENT STABILIZATION OF THE DISTURBED AREA; UMI TED O DRAINAGE AREAS NOT EXCEEDING ONE ACRE, AND NOT INTENDED TO CONTROL LARGE, TEMPORARY SEEDING: CONCEN7RAIED STORMWA7FR FLOWS ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TEMPORARY SEDIMENT TRAP. TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION A SMALL PONDING AREA, FORMED BY C0NS7RUC77NG AN EARTHEN EMBANKMENT WITH A STONE /MMEDIA TEL Y FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED ARES THAT AREAS FOR EN W T THE SUSPENDED O SETTLE OUT. MAXIMUM TOUGH TIME O ALLOW MOST O E US ENDED SOLIDS E HT TO FINAL GRADE W07HlN WILL NOT BE BROUGHT 30 DAYS EFFECTIVE LIFE IS 18 MONTHS PLANTS SHOULD BE SELECTED APPROPRIATE TO 774E SEASON AND SITE TEMPORARY SEDIMENT BASIN' COND177ONS FROM TABLES 3.318 AND 3.31C. N07E THAT TABLE 3.31B PRESENTS A TEMPORARY BARRIER OR DAM WITH CONTROLLED STORMWATER RELEASE STRUCTURES WHICH /S PLANTS WHICH CAN BE USED WITHOUT EX7ENSIVE EVALUA77ON OF S1 TE FORMED BY CONS7RUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRANAGEWAY. IT /S COND177ONS; TABLE 3.31C PRESENTS MORE IN-DEPTH INFORMATION ON 774E USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GREATER FOR PLANT MATERIALS ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETAE OUT. IT CAN BE TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO CONSTRUCTED ONLY WHERE THERE /S SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY MAXIMUM GERMINATE AND GROW. SEEDBED PREPARATION /S ESSEN77AL. EFFECTIVE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A QUALIFIED PROFESSIONAL. AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME /S NECESSARY OUTLET PROTECTION. FOR TEMPORARY SEEDING. TABLE 3.31A MAY BE USED TO DETERMINE THE THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING BASINS BELOW STORM DRAIN ACTUAL NEED ALONG W177-1 SUGGESTED APPLICA77ON RATES. OUTLETS TO REDUCE EROSION AND UNDER-CUT77VG FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS BELOW THESE OUTLETS FERTILIZER SHALL BE APPLIED AS 600 LBS/ACRE OF 10-20-10 (14 LBS/1, 000 CULVERT INLET PROTECTION: SQ. FT.) OR EQUIVALENT NUTRIENTS LIME AND FER77LIZER SHALL BE A SEDIMENT nL7E'R LOCATED AT THE INLET TO STORM SEWER CULVERTS WHICH PREVENTS SEDIMENT INCORPORATED INTO 774E TOP 2 TO 4 INCHES OF THE SOIL IF POSSIBLE. FROM ENTERING, ACCUMULATING IN AND BEING TRANSFERRED BY THE CULVERT. IT ALSO PROVIDES IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER EROSION CONTROL AT CULVERTS DURING THE PHASE OF A PROJECT WHERE ELEVATIONS AND ROUGHENING /S REQUIRED. WHEN THE AREA IS COMPACTED, CRUSTED, OR DRAINAGE PATTERNS ARE CHANGING, CAUSING ORIGINAL CONTROL MEASURES TO BE INEFFECTIVE. HARDENED, THE SOIL SHALL BE LOOSENED BY DISC/NG, RAKING, HARROWING, OR SAFETY FENCE: OTHER ACCEPTABLE MEANS TRACKING WITH BULLDOZER CLEATS IS MOST A PR07EC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL EFFEC77VE ON SANDY SOILS. THIS PRAC77CE OFTEN CAUSES UNDUE COMPACTION MEASURE. OF THE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PERMANENT STABILIZATI011r PLANT GROWTH AS EFFEC77VELY AS 07HER METHODS OF SURFACE ROUGHENING. PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS SEED SHALL BE EVENLY APPLIED WITH A BROADCAST SEEDER, DR/LL, PER 7HE PERMANENT STABILIZA77ON OF 7HIS EROSION & SEDIMENT CUL77PACKER SEEDER OR H?DROSEEDER. SMALL GRAINS SHALL BE PLANTED NO CONTROL NARRA77VE. MORE THAN 1j INCHES DEEP. SMALL SEEDS, SUCH AS KENTUCKY BLUEGRASS, AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SHOULD BE PLANTED NO MORE THAN 4 INCH DEEP. OTHER GRASSES AND SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURRENT VDOT LEGUMES SHOULD BE PLANTED FROM 4 INCH TO j DEEP. STANDARDS. THIS SHALL CONSIST OF THE FOLLOWING; RSEEDINGS MADE IN FALL FOR WINTLcR COWER AND DURING HOT AND DRY TOPSOIL - 2" DEPTH, LIME - 2 TONS/ACRE, FER77LlZER - 600 LBS/ACRE 15-30-15 SUMMER MONTHS SHALL BE MULCHED ACCORDING TO MULCHING, STD. & SPEC. SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX-114 (45 J. J5, EXCEPT THAT HYDROMULCHES (FIBER MULCH) WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH SHOULD BE USED DURING THESE PERIODS LBS/ACRE PENNLAWN CREEPING RED FESCUE, 37.5 LBS/ACRE ARG/LE AREAS WHICH FAIL TO ESTABLISH VEGETA77VE COVER ADEQUATE TO PREVENT KENTUCKY BLUEGRASS, 37.5 LBS/ACRE PARK KENTUCKY BLUEGRASS, 15 RILL EROSION WILL BE RE -SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. LBS./ACRE ANNUAL RYEGRASS & 15 LBS./ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED, THEY WILL BE MOWED AND MAINTAINED ON A REGULAR BASIS. MAINTENANCE.• IN GENERAL, ALL EROS/ON AND SEDIMENT CONTROL MEASURES WILL BE Compacted Soil CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC Non-Erodable Liner A TTEN77ON WILL BE GIVEN TO THE FOLLOWING ITEMS.* 18" min. i ' 1 ' 1 1 A. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND f I -Flow MAINTAINED IN ACCORDANCE W TV THE VIRGINIA EROSION & SEDIMENT _ _ E - ` - ` - ' ' _ _ CONTROL HANDBOOK. I I) I I I II B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR,III SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE. IF THE - - - - - GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND 4.5' min. CLEANED, OR IT WILL BE REPLACED. SOURCE: VA. DSWC PLATE 3.09-1 C. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETFRIORA 770N OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOS177ON REACHED HALF WAY TO 7HE TOP OF 774E BARRIER. p p TEMPORARY DIVERSION DIKE D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. T�'fI) 0 _!4 H 0�, fI' SCOTT . COLLINSZ o. 35791 I., �0 914 "�L_ONAL VAC$ ,w4. WHICH HAVE BEEN PERMANENTLY SEEDED SHOULD MUL I SLOPING, WELL DRAINED SOIL ON BROAD, CONVEX FOOT SLOPES AND SEEDING. AREAS WHICH CANNOT BE SEEDED BECAUSE OF THE SEASON SHOULD BE MULCHED COLLUVIAL FANS. SLOPES ARE SMOOTH AND ABOUT 300 TO 1000 FEET to USING ORGANIC MULCH. MULCH MAY BE USED TOGETHER WI7H PLANTINGS OF TREES, SHRUBS, LONG. AREAS OF THIS SOIL ARE LONG AND WIDE. THEY RANGE FROM 5 TABLE 3.11.8 OR CERTAIN GROUND COVERS WHICH DO NOT PROVIDE ADEQUATE SOIL STABIL/ZA TION BY TO ABOUT 30 ACRES. THE SURFACE LAYER OF THIS SOIL /S DARK THEMSELVES, CAN BE USED IN CONJUNCTION WITH TEMPORARY SEED/NG. REDDISH BROWN SILT LOAM ABOUT 8 INCHES THICK. PERMEABILITY AND ACCEPTABLE TB;IMRARY SESD1lNG PLANT 11M1FRIAIS AVAILABLE WATER CAPACITY ARE MODERATE. SURFACE RUNOFF IS 'QUICK RER UMM FOR ALL REGIONS" 3.37 TREES, SHRUBS VINES & GROUND COVERS STABILIZING DISTURBED AREAS BY ESTABLISHING VEGETATIVE COVER WITH TREES SHRUBS, MEDIUM. 774E HAZARD OF EROSION IS MODERATE: THIS SOIL HAS GOOD VINES OR GROUND COVERS O AID IN STABILIZING SOIL IN AREAS WHERE VEGETATION OVER 77LTH. te R'ia THAN TURF /S PREFERRED, TO PROVIDE FOOD AND SHELTER FOR WILOUFE WHERE WILDUFE 37D3 - HA YESVFLLE-CLA Y LOAM -15X TO 25Z SLOPES, SEVEREL Y ERODED. THIS Plating Dates HABITAT IS DESIRABLE. APPLIES IN AREAS WHERE TURF ESTABUSHMENT IS DIFFICULT, ON SOIL IS DEEP, WELL DRAINED, AND MODERATELY STEEP. IT IS ON SIDE STEEP OR ROCKY SLOPES WHERE MOWING IS NOT FEASIBLE, WHERE ORNAMENTALS ARE SLOPES THAT BORDER SMALL DRAINAGEWAYS SLOPES ARE SMOOTH AND Sept. I - Feb. 15 50/50 Mix of DESIRABLE FOR LANDSCAPING PURPOSES, AND WHERE WOODY PLANTS ARE DESIRABLE FOR ABOUT 200 TO 400 FEET LONG. AREAS OF THIS SOIL ARE LONG AND Annual Rycgmvi SOIL CONSERVATION, OR TO ESTABLISH WILDLIFE HABITAT. WINDING. THEY RANGE FROM 3 TO ABOUT 20 ACRES 26C3 -DYKE-CLAY LOAM -7X TO 15Z SLOPES, SEVERELY ERODED. THIS DEEP a 50 -100 Cereal (Wimr) Rye 3.38 TREE PRESERVATION AND PRo7EcnoN PROTECTION OF DESIRABLE TREES FROM MECHANICAL OR 07NER INJURY DURING LAND STRONGLY SLOPING, WELL DRAINED SOIL IS ON CONVEX SIDE SLOPES COLLUVIAL FANS. SLOPES ARE SMOOTH AND ABOUT 200FEET (SOWS ce �°� DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES LONG. AREAS OF 174/S SOIL ARE LONG AND NARROW. THEY RANGE FROM WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, 5 TO ABOUT 30 ACRES I'eb. 16 -Apr. 30 Annual ss • 1� SHADE AND OTHER ENVIRONMENTAL BENEFIT'S WHILE THE LAND IS BEING CONVERTED FROM (/� mullRyep FOREST TO URBAN -TYPE USES. APPLIES /N TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES. STORMW4 TER RUN-OFF CONSIDERA TIONS: May t - Aug 31 German Miuet 50 VJ CONSTRUCTION OF 7HIS PROJECT WILL HAVE AN EFFECT ON PEAK RUN-OFF RATES (Secadaitalisa) 3.39 DUST CONTROL: DUE TO AN INCREASE IN QUANTITY AND VELOCITY OF THE RUN-OFF. 774E N REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND IMPERVIOUS AREA IS BEING INCREASED DUE TO THE CONSTRUCTION OF THE ROADS CONS7RUCTION ACTIVITIES TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM AND PARKING LOT. HOWEVER, 774E RUN -OFT= IS BEING DIVERTED TO AN EXISTING EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY SWIM POND, WHICH WILL ASSIST /N DECREASING 774E RUN-OFF VELOCITY FROM THE Source: Va. Dswe PRESENT HEAL 7H HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE PROJECT SITE. A CONTRIBUTION TO THE PRO -RATA SHARE PROGRAM WILL ALSO BE DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND A/R MOVEMENT OF MADE. SEE STORMWATER MANAGEMENT PLAN SWM -1 & SWM -2 FOR F-UR7NER DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE /N ACCORDANCE WITH 7HE O VESCH. DETAILS DESCRIPTION OF EROSION & SEDIMENT EROSION CONTROL NOTES & NARRATIVE CONTROL MEASURES. PURPOSE: EROSION AND SEDIMENT CON7ROL MEASURES: THE PURPOSE OF THIS LAND DISTURBING ACTIVITY /S TO CONSTRUCT THE ROADS, ALLEYS AND UTILITIES TO IT /S ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DIKES, EXISTING SEDIMENT BASINS, SERVE 27 PROPOSED TOWNHOUSE UN/TS WITHIN BLOCK 3, PHASE B AT OLD TRAIL VILLAGE. INFRASTRUCTURE AND SILT FENCES WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL WILL TIE-IN WITH EXISTING FAC/L/TIES AND FACILITIES CURRENTLY UNDER CONSTRUCTION FOR BLOCKS 1 AND BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES TEMPORARY STOCKPILE 3-A. THE TOTAL AREA TO BE DISTURBED WITH THIS PHASE OF DEVELOPMENT IS 8.3 ACRES THIS DISTURBED AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED FROM AREAS TO BE GRADED AREA FALLS UNDER THE EXISTING DISTURBED AREA OF OLD TRAIL BLOCK 3A WPO PLAN. AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON S17E AND SHALL BE EXIS77NG SITE CONDITIONS, STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR 7741S S17E CONSISTS OF AN OPEN GRASS FIELD WITH NO VEGETATION. THE TOPOGRAPHY IS NEARLY LEVEL. ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION ACTIVITIES HAVE 7HE SITE IS LOCATED ON THE EAST SIDE OF OLD TRAIL DRIVE, DRAINING TO LICK/NGHOLE CREEK. CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL ADJACENT AREAS: BE LEFT DORMANT FOR A YEAR OR MORE. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME THIS S17E /S BORDERED TO 774E NORTH BY 774E EXIS77NG PORTION OF CLAREMONT LANE AND THE EXISTING OLD TRAIL SWIMMING POOL AND PARKING LOT. TO 774E EAST /S FUTURE UNDEVELOPED RESIDEN77AL BLOCKS THE OF YEAR APPLIED. FUTURE PHASE C OF BLOCK 3 EX/STS IMMEDIATELY TO THE SOUTH. OLD IRA IL DRIVE EXISTS TO THE WEST. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT 0FFSI7F LAND DISTURBANCE FOR MORE THAN SEVEN DAYS THESE AREAS SHALL BE SEEDED WITH FAST GERMINATING NO OFFSI7E LAND DISTURBANCE IS PROPOSED. ALL LAND DISTURBANCE /S TO OCCUR WITHIN THE LIMITS OF VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS, SELECTION OF SEED MIXTURE WILL DISTURBANCE AS SHOWN. DEPEND ON THE TIME OF YEAR APPLIED. CRI TICAL AREAS, C0NS7RUC770N ENTRANCE 77-IERE ARE NO CRITICAL AREAS LOCATED W77HIN THE PROJECT LIMITS A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF SOILS,• VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION S17E: TO REDUCE THE AMOUNT OF MUD SOILS MAP /S INCORPORATED INTO 774E EROSION CONTROL PLANS WITH SOILS DATA INCLUDED WITH THIS TRANPOR7FD ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. NARRATIVE: C0NS7RUC770N ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE SEQUENCE OF CONS7RUC77ON: AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS 1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE -CONSTRUCTION MEETING AS REQUIRED. ,SILT FENCE.• 2 NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT 774E A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS APPROVAL FROM THE INSPECTOR ON 774E PROJECT. AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN SMALL J. INSTALL 774E PAVED CONS7RUCTTON ENTRANCE WITH WASH AREA AS SHOWN ON THE PLANS. CONSTRUCTION AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS /N ORDER TO ENTRANCES TO BE INSTALLED WNERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PREVENT SEDIMENT FROM LEAVING THE S1 7E TO DECREASE THE VELOCITY OF SHEET FLOWS AND PROVISIONS SHALL BE MADE TO MINIMIZE 774E TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO LOW -TO -MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN THE PAVED SURFACE. WHERE SEDIMENT /S MANSPOR7E0 ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED 7HOROUGHLY AT 774E END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS SHOVELING OR SWEEPING AND 7RANSPOR77NG TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING INDICATED. THEY SHALL BE /NPEC7FD IMMEDIATELY AF7ER EACH RAINFALL AND MAINTAINED /N SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED /N THIS MANNER. ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 4. INSTALL 774E IN177AL CONSMUCT70N MEASURES AS SHOW/ ON 774E EROSION CONTROL SHEET. THIS PERMANENT STABILIZATION: INCLUDES SILT FENCE AND TEMPORARY DIVERSION DIKES MEASURES INTENDED TO TRAP SEDIMENT SHALL 7HE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING SEED. BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO PERMANENTLY FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE O S17E CONDITIONS, 5. IN ADD177ON TO ENSURING THAT THE PAVED CONSTRUCTION ENTRANCE IS INSTALLED, INSTALL ANY AND ALLOWS SELECTION OF 7HE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDUFE REMAINING EROSION CONTROL 17EMS AS SHOWN ON 714E EROSION CONTROL PLAN. HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES, ALL 6. ONCE ALL THE EROSION CONTROL I7EMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, THE CON7RACTOR CAN BEGIN AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. GRADING OPERATIONS. STABILIZATION MEASURES SHALL BE APPLIED TO EAR7HEN STRUCTURES SUCH AS TEMPORARY SEEDING: DAMS, DIKES, AND DIVERSIONS IMMEDIA TEL Y AFTER INSTALLATION. THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH 7. ROUGH GRADE THE S17E TO 774E CONTOURS SHOWN ON THE PHASE 1/ EROSION CONTROL PLAN. APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTATION BY 8. PERMANENT OR TEMPORARY SOIL STABILIZA77ON SHALL BE APPLIED TO DENUDED AREAS W977-IIN SEVEN STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF DAYS AFTER FINAL GRADE /S REACHED ON ANY PORTION OF 774E S/7E TEMPORARY SOIL STABILIZATION MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL OFF-SITE AREAS, AND TO PROVIDE PR07EC7701V TO BARE SOILS EXPOSED DURING CONSTRUCTION REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS PERMANENT STABILIZATION SHALL BE UNTIL PERMANENT VE"GETA7701V OR 07HER EROSION CONTROL MEASURES CAN BE ESTABLISHED. APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. DUST CONTROL: 9. GRADE OUT THE REMAINDER OF THE S17E AND GRADE THE ROADS AS SHOWN ON 774E PHASE Il EROSION REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL171ON AND CONTROL PLAN. INSTALL STORM SEWER FOR THE PROJECT, USING INTERMEDIATE INLET PROTECTION TO CONS7RUC770N ACTIVITIES PROTECT THE END OF THE PIPES. INSTALL OUTLET PR07EC71ON AS SHOWN ON THE PLANS. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE 10. FINE GRADE, INSTALL CURB & GUTTER, INSTALL SIDEWALKS, SEED AND FERTILIZED THE DENUDED AREAS INSTALL INLETS AND INSTALL INLET PR07EC77ON AS SHOWN ON THE PLANS THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS TRAFFIC SAFETY 11. INSTALL STONE BASE AND PAVE PARKING LOTS AND ROADS PROBLEMS OR HARM ANIMAL OR PLANT LIFE. 12 ONCE THE S17E IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN REMOVE DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF 774E EROSION CONTROL MEASURES NO ITEM SHALL BE REMOVED UNLESS 774E UPSTREAM AREAS ARE DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE /N ACCORDANCE WITH THE VESCH. STABILIZED AND 7HE INSPECTOR GIVES PERMISSION. TEMPORARY DIVERSION DIKE: 12. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT A RIDGE OF COMPACTED SOIL CONS7RUC7ED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN WHICH DIVERTS OFF -SITU RUNOFF AWAY FROM UNPR07ECIED SLOPES AND TO A STABILIZED OUTLET, ACCORDANCE WI7H THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. OR TO DIVERT SEDIMENT -LADEN RUNOFF O A SEDIMENT TRAPPING STRUCTURE. MAXIMUM 13. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER EFFECTIVE LIVE IS 18 MONTHS FINAL S17E STABILIZATION OR AF';FR 7HE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY 774E LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED ROCK CHECK DAMS, SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY SMALL, 7EMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENT4770N. VELOCITY OF CONCEN7RATED FLOWS, REDUCING EROSION OF THE SWALE OR DITCH. LIMITED TO USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS; SHOULD NOT BE USED IN LIVE STREAMS STORM DRAIN INLET PR07EC7701V: THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS OR CURB INLET SMUC7URES PRIOR O PERMANENT STABILIZATION OF THE DISTURBED AREA; UMI TED O DRAINAGE AREAS NOT EXCEEDING ONE ACRE, AND NOT INTENDED TO CONTROL LARGE, TEMPORARY SEEDING: CONCEN7RAIED STORMWA7FR FLOWS ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TEMPORARY SEDIMENT TRAP. TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION A SMALL PONDING AREA, FORMED BY C0NS7RUC77NG AN EARTHEN EMBANKMENT WITH A STONE /MMEDIA TEL Y FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED ARES THAT AREAS FOR EN W T THE SUSPENDED O SETTLE OUT. MAXIMUM TOUGH TIME O ALLOW MOST O E US ENDED SOLIDS E HT TO FINAL GRADE W07HlN WILL NOT BE BROUGHT 30 DAYS EFFECTIVE LIFE IS 18 MONTHS PLANTS SHOULD BE SELECTED APPROPRIATE TO 774E SEASON AND SITE TEMPORARY SEDIMENT BASIN' COND177ONS FROM TABLES 3.318 AND 3.31C. N07E THAT TABLE 3.31B PRESENTS A TEMPORARY BARRIER OR DAM WITH CONTROLLED STORMWATER RELEASE STRUCTURES WHICH /S PLANTS WHICH CAN BE USED WITHOUT EX7ENSIVE EVALUA77ON OF S1 TE FORMED BY CONS7RUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRANAGEWAY. IT /S COND177ONS; TABLE 3.31C PRESENTS MORE IN-DEPTH INFORMATION ON 774E USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GREATER FOR PLANT MATERIALS ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETAE OUT. IT CAN BE TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO CONSTRUCTED ONLY WHERE THERE /S SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY MAXIMUM GERMINATE AND GROW. SEEDBED PREPARATION /S ESSEN77AL. EFFECTIVE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A QUALIFIED PROFESSIONAL. AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME /S NECESSARY OUTLET PROTECTION. FOR TEMPORARY SEEDING. TABLE 3.31A MAY BE USED TO DETERMINE THE THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING BASINS BELOW STORM DRAIN ACTUAL NEED ALONG W177-1 SUGGESTED APPLICA77ON RATES. OUTLETS TO REDUCE EROSION AND UNDER-CUT77VG FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS BELOW THESE OUTLETS FERTILIZER SHALL BE APPLIED AS 600 LBS/ACRE OF 10-20-10 (14 LBS/1, 000 CULVERT INLET PROTECTION: SQ. FT.) OR EQUIVALENT NUTRIENTS LIME AND FER77LIZER SHALL BE A SEDIMENT nL7E'R LOCATED AT THE INLET TO STORM SEWER CULVERTS WHICH PREVENTS SEDIMENT INCORPORATED INTO 774E TOP 2 TO 4 INCHES OF THE SOIL IF POSSIBLE. FROM ENTERING, ACCUMULATING IN AND BEING TRANSFERRED BY THE CULVERT. IT ALSO PROVIDES IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER EROSION CONTROL AT CULVERTS DURING THE PHASE OF A PROJECT WHERE ELEVATIONS AND ROUGHENING /S REQUIRED. WHEN THE AREA IS COMPACTED, CRUSTED, OR DRAINAGE PATTERNS ARE CHANGING, CAUSING ORIGINAL CONTROL MEASURES TO BE INEFFECTIVE. HARDENED, THE SOIL SHALL BE LOOSENED BY DISC/NG, RAKING, HARROWING, OR SAFETY FENCE: OTHER ACCEPTABLE MEANS TRACKING WITH BULLDOZER CLEATS IS MOST A PR07EC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL EFFEC77VE ON SANDY SOILS. THIS PRAC77CE OFTEN CAUSES UNDUE COMPACTION MEASURE. OF THE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PERMANENT STABILIZATI011r PLANT GROWTH AS EFFEC77VELY AS 07HER METHODS OF SURFACE ROUGHENING. PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS SEED SHALL BE EVENLY APPLIED WITH A BROADCAST SEEDER, DR/LL, PER 7HE PERMANENT STABILIZA77ON OF 7HIS EROSION & SEDIMENT CUL77PACKER SEEDER OR H?DROSEEDER. SMALL GRAINS SHALL BE PLANTED NO CONTROL NARRA77VE. MORE THAN 1j INCHES DEEP. SMALL SEEDS, SUCH AS KENTUCKY BLUEGRASS, AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SHOULD BE PLANTED NO MORE THAN 4 INCH DEEP. OTHER GRASSES AND SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURRENT VDOT LEGUMES SHOULD BE PLANTED FROM 4 INCH TO j DEEP. STANDARDS. THIS SHALL CONSIST OF THE FOLLOWING; RSEEDINGS MADE IN FALL FOR WINTLcR COWER AND DURING HOT AND DRY TOPSOIL - 2" DEPTH, LIME - 2 TONS/ACRE, FER77LlZER - 600 LBS/ACRE 15-30-15 SUMMER MONTHS SHALL BE MULCHED ACCORDING TO MULCHING, STD. & SPEC. SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX-114 (45 J. J5, EXCEPT THAT HYDROMULCHES (FIBER MULCH) WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH SHOULD BE USED DURING THESE PERIODS LBS/ACRE PENNLAWN CREEPING RED FESCUE, 37.5 LBS/ACRE ARG/LE AREAS WHICH FAIL TO ESTABLISH VEGETA77VE COVER ADEQUATE TO PREVENT KENTUCKY BLUEGRASS, 37.5 LBS/ACRE PARK KENTUCKY BLUEGRASS, 15 RILL EROSION WILL BE RE -SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. LBS./ACRE ANNUAL RYEGRASS & 15 LBS./ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED, THEY WILL BE MOWED AND MAINTAINED ON A REGULAR BASIS. MAINTENANCE.• IN GENERAL, ALL EROS/ON AND SEDIMENT CONTROL MEASURES WILL BE Compacted Soil CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC Non-Erodable Liner A TTEN77ON WILL BE GIVEN TO THE FOLLOWING ITEMS.* 18" min. i ' 1 ' 1 1 A. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND f I -Flow MAINTAINED IN ACCORDANCE W TV THE VIRGINIA EROSION & SEDIMENT _ _ E - ` - ` - ' ' _ _ CONTROL HANDBOOK. I I) I I I II B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR,III SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE. IF THE - - - - - GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND 4.5' min. CLEANED, OR IT WILL BE REPLACED. SOURCE: VA. DSWC PLATE 3.09-1 C. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETFRIORA 770N OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOS177ON REACHED HALF WAY TO 7HE TOP OF 774E BARRIER. p p TEMPORARY DIVERSION DIKE D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. T�'fI) 0 _!4 H 0�, fI' SCOTT . COLLINSZ o. 35791 I., �0 914 "�L_ONAL VAC$ ,w4. LL' - 0 0 0 0 0 0 0 -- � ---� N N •-1 " r♦ r-4 e\-1 M NJ (31 z T-4 m z C1 (V :5 a4 13L -q" W W 1 F- C*14 U) wo J Z Z W LL.■� 0-4 4 fn0~ 4 L9 C/� W W Z C) Q r-..� 7' W4 a, � x I U M 1 sv Ul W U 0 J C/) ca O _I C/� H mi 94 9 W 94 P-4 J W F- W 0 O -- 00 00 0 .W.I O . .1 1- N T L E .'- U •- -0- JOB NO. � ` a: 02006 01 � ° SCALE a z -d N 0 f /A O C:s s a SHEET NO. a 2 ESC -1 -r-s � ? f LU O a V) to U) Z (/� VJ N to m > Z Q Q O O p a O w a w O w a H � r- to a to a a z zp z p z z >> �, O j O O H a 4.11 0W & cc LL' - 0 0 0 0 0 0 0 -- � ---� N N •-1 " r♦ r-4 e\-1 M NJ (31 z T-4 m z C1 (V :5 a4 13L -q" W W 1 F- C*14 U) wo J Z Z W LL.■� 0-4 4 fn0~ 4 L9 C/� W W Z C) Q r-..� 7' W4 a, � x I U M 1 sv Ul W U 0 J C/) ca O _I C/� H mi 94 9 W 94 P-4 J W F- W 0 O -- 00 00 0 .W.I O . .1 1- N T L E .'- U •- -0- JOB NO. � ` a: 02006 01 � ° SCALE a z -d N 0 f /A O C:s s a SHEET NO. a 2 ESC -1 -r-s � ? f LU O a 0C MEW / Q40 STONE 70' MIN. CONS TRUC TION ACCESS3" SM -2A ASPHALT TOP COURSE 29 29 \-6" MIN. 21A AGGREGATE BASE PROFILE STONE 70' MIN. CONSTRUCTION SPHAL T PA VED ACCESS (rA WASHRACK EXISTING PA VEMEN T EXISTING 2qI 29 PA VEMEN T — - 129 12' MIN. * r I f �-- POSI TI VE DRAINAGE *MUST EXTEND FULL WIDTH AO l TO SEDIMENT OF INGRESS AND EGRESS 1 TRAPPING DEVICE OPERA TION PLAN 12' MIN. POSITIVE DRAINAGE TO SEDIMEN T 29 TRAPPING DEVICE I IL /LI\ VLVIII SEC TION A — A A minimum water tap of 1 inch must be installed with a minimum 1 inch ballcock shutoff valve supplying a wash hose with diameter or 1.5 inches for adequate constant pressure. Wash water must be carried away from the entrance to on approved settling area to remove sediment. All sediment shall be prevented from entering storm drains, ditches or watercourses. trap volumes: _ - PAVED WASH- RACK NO SCALE 1.: 2'x4" WOODEN FRAME Table 16: Sediment Trap design sec 3 13) -- --_-- -_-- _ 1 _— ! � C 687 Sediment Trap design #2 0 m - a '' "AR"eW CREST OF STONE WEIR • — VLEV. -- G1°"'D - ,.O—• drainage area (acres) (<3) 0.61 ! trap volumes: _- elevation (ft) -- area (sf) — volume(cf) 687 1276 ------_0 Sediment Trap design #1 — 52.' 9 �- -- _— DRY STORAGE v drainage area (acres) (<3) 1.35' '1 VARMI trap volumes: _ - _ _ CREST OF STONE WEIR coo elevation (ft) _ --- area (sl) _ volume(cf) volume(cy)j 683 684 __— �� 2701 -----------..-- 0 2,490 .- - 0.01- 92.2 _ - 1.O' ----_.-----_---- 685 _ —_ 3149 __..._—___ 5,412 ---.___.----__-- 2_00.5, DRY STORAGE N Ny YARIADI£• ------ 686 ---3629 _-----8,798 325.91 ----- - slope of dry storagesides _ top trap dimensions 56k41' __--------___.r_-_.. _ WET STORAGE 4, MAX - FLM CLOTH ORIGINAL U W �ZZU)ZMW GROUND Wet Ston3g@. wet storage nage required - (cy) (67*DA) --_--- -I- __._.__ __- _ . __ .__ *XE PLATE 3.13-1 COARAGGREGATE~ CLASS I RFRAP SE I i bottom of stone weir (ft) wet storage provided at this elevation (cy) 684.0 92.2+ slope of wet storage sides - _ --- __ 2:1' --- --- --- -- 1 ------- t- - - -- weir length (ft) (6xDA _ 8.1 ---- -- In bottom of trap elevation (ft)`-- 683 bottom dry storage required (cy) (67*DA) _ _ 90.5 685.0 trap dimensions - - _- 65.8'x35.3' _-.._..____.__ - -- - -- -- _ . dam crest of stone weir Cwe top of elevation (ft) 686 dry storage provided at this elevation (cy) 108.3 --- top vAdth of dam 6 slope of dry storage sides -- 2:1 -- - top trap dimensions - 76.8k47.3' Table 16 Sediment Tra dp esign (spec 3.13 _ 1 _— ! � C 687 Sediment Trap design #2 0 m � a '' "AR"eW CREST OF STONE WEIR • — VLEV. -- G1°"'D - ,.O—• drainage area (acres) (<3) 0.61 ! trap volumes: _- elevation (ft) -- area (sf) — volume(cf) 687 1276 ------_0 -volume(cw) ---- 0.�0 _ -- - 688-1584-- 1,427 _ - — 52.' 9 �- -- _— DRY STORAGE v 689 1924 3,178 690 2296 5,286 117.17 195-6 -- ------ 0 WET STORAGE MAX. �y CLOTH OMNAL U r-, GROUND wet storage:- - ------_--------- wet storage required (cy) (67*D)_---- - bottom of stone weir (ft) - ---------------� -- - 40-9 - 688.0 ---- --- •9EE PLATE 113-1 COARSE AGGREGATE~ CLASS I RPRAP - -- ----------- _- wet storage provided at this elevation (cy) slope of wet storage sides _ _-52..9-- 2:1'-- - - -------- -- ---_ —-- - -- ---�- -- --- 3.71 --- --- --- weir length (ft) (6xDA) dry storage_ N a - -- --- bottom of trap elevetion (ft) 687 _ - dry storage required (cy) (67' DfY - 40..91 bottom trap dimensions: _ 44k29' _ crest of stone weir _ _ _ 689..0 - -64.8 -- top of dam elevation (ft) 690 1_—__— - -- --- top width of dam (ft) -- --- --- 61 -�- _--_ - dry storage _ rage provided at this elevation (cy) slope of dry storagesides 2::1---T top trap dimensions 56k41' DROP INLFT PERSPEC TI VE VIEWS X1' MIN EL EVA TION OF STAKE AND FA BRI C ORI EN TA TION IP SILT FENCE DROP INLET PROTECTION NO SCALE (STD. & SPEC. 3.07 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) 'AME 3A THER XCESS 4 T CORNER.'S 1. SET POSTS AND EXCA VA TE A 4 "X4 " TRENCH UPSLOPE ALONG THE LINE OF POSTS. 1 —LII —III—III FL O w 4 I � i I i a cn I Da � I i 6' 689 0 rn cn 6°�6 CPO 692 694 116' co 2. STAPLE WIRE FENCING TO THE POSTS. 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. Il � FLOW 4. BACKFILL AND COMPACT THE EXCA VA TED SOIL. EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. SF SILT FENCE (WITH WIRE SUPPORT) NO SCALE (STD. & SPEC. 3.05 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) TH01F l �C� rAl SCOTT COLLINSZ No. 35791 a 10- lb kl%SIONAL 10k�C$ti z � C 687 ' 0 m � a Z z I ST2 I w W f U o J a 0 U 0 U U r-, U' a11 U Z U Z Z Z N a H 1 j, JOB NO. In Ce L os O 29' Q a U W ; U W U W �ZZU)ZMW N/A 0 C z Uj SHEET NO. I—Iiin Wce In 688 , i 2. STAPLE WIRE FENCING TO THE POSTS. 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. Il � FLOW 4. BACKFILL AND COMPACT THE EXCA VA TED SOIL. EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. SF SILT FENCE (WITH WIRE SUPPORT) NO SCALE (STD. & SPEC. 3.05 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) TH01F l �C� rAl SCOTT COLLINSZ No. 35791 a 10- lb kl%SIONAL 10k�C$ti 0 CD o -4 1-4 Q -41 N N .\i N M ri -4 - ri V -L e4. n Cn 94 W--4 w O 00 a, z � C M�. � 0 m � a Z z w W w W f U o J a 0 U 0 U U r-, U' a11 U Z U Z Z Z N a H W JOB NO. In Ce L os O Z Q a U W a- o�InCLNa0. U W U W �ZZU)ZMW N/A 0 C z Uj SHEET NO. I—Iiin Wce In �C II Cwe � iu> � 0 CD o -4 1-4 Q -41 N N .\i N M ri -4 - ri V -L e4. n Cn 94 W--4 w O 00 a, z � C M�. O0 0 W L a CL z T C u O- O �/ ) i U o U U �V L a n J01) a� 03: r-, . ■ a11 z °z 0Z LL J L W � W Z H v Z Lt1 JOB NO. Q L os W v z z Qso. W D L� �C U C x� 0� Oo � C M�. a Q `C 1 C CL z U a J O- .� P -1P U °3 Q U A. v) �V L a �C U C x� 0� WC: a M�. �C °' Q z o � 0 az W° Q; � a r J O 0 P -1P P-4EC ,. Q U A. v) i J C n W 03: �C U C x� 0� WC: CoO� u w Zv Q C c o � 0 az z 0C Zc J O w` P -1P -11Z ,. Q Hy ~ A. v) i J C �. OC L r-, . ■ a11 �C U C x� 0� WC: i c Q C c o � 0 az ILp C �C U C x� 0� ESC -4 C c ILp C Hy ~ Ca LU 17UE0 r-, LU E = U '- O � � -O + C mi aC JOB NO. 02006 os �a u SCALE N/A 0 C U) C L o g SHEET NO. a a �C ESC -4 NOTE: THIS PLAN IS FROM THE APPROVED "OLD TRAIL VILLAGE PHASE 6 BLOCK 3 PHASE A SITE PLAN" DATED 6/8/o8. THE EXHIBIT HAS BEEN UPDATED TO REFLECT THE ADDITIONAL 24 TOWNHOUSE UNITS, BUT THE IMPERVIOUS AREA FROM THE PROPOSED DEVELOPMENT WAS INCLUDED IN THE ORIGINALLY APPROVED SWM CALCULATIONS FROM THE BLOCK 3A SITE PLAN. THESE CALCULATIONS ARE SHOWN ON SWM -i& SWM -2 ASA REFERENCE ONLY. PLEASE REFER TO THE APPROVED OLD TRAIL BLOCK 3A SITE PLANS FOR ANY ADDITIONAL INFORMATION. NOTE: THE APPROVED OLD TRAIL VILLAGE BLOCK 3 STORMWATER MANAGEMENT PLAN (WP0200800014) PREDICTS THIS AREA (PHASE B & C) TO HAVE A C VALUE OF 0.70 FOR 2.41 ACRES. PHASE B (WP0200900064) IS 1.195 ACRES AT APPROXIMATELY 0.80, THEREFORE, THE FUTURE DEVELOPMENT OF PHASE C (1.215 ACRES) WOULD BE LIMITED TO A C VALUE NOT TO EXCEED 0.60. IF THE DEVELOPED C VALUE OF PHASE C WILL EXCEED 0.60, IT MUST BE PROVEN THAT THE INSTALLED STORM SEWER HAS THE CAPACITY AND THE EXISTING STORMWATER MANAGEMENT POND IS ADEQUATE TO HANDLE THE INCREASE OF IMPERVIOUS FROM THIS SECTION. AS -BUILT INFORMATION ON THE PIPES AND POND MAY BE REQUIRED. ITable 12: Water Quality Compliance table project area 5.8 (should be roughly equal to limits of disturbance) project area (acres) 5.8 area captured (roughly equal to lWts of disturbance) 5.8 H N Z 5.8 N Z to Z z W percent capture 100% 100% (should be 90% or better) (should be between 80% and 120%) W f, factor U 1.0 W (1.0, or 0.9 for sites in the development areas where existing impervious cover is greater than 200/6) W L 43) ` W H -�z Q O W O y� Q O U t0 F_ T v Ai A. Z z C Z U 2 a Z (n O � to v W m a O 8 Detained Areas O U W Q CIC d O U W O U W z U W O 5.8 V 'oo 5.70 Zz N v see ultimate analysis 2 Year Q a W p > G > 27.80 see ultimate analysis 10 Year M 5.8 1 9 : C: a Z La 36.60 see ultimate analysis 100 Year O fae ty name w O O 2 facility type �■■� � Q c C renerks Existing Upper 5.8 0.20 ow 1 0.76 69% 1177.1 1 25554.01 21.7 0.0 Ballard vast Fbnd 0.0 - 10 Year u � c c 0 VM wnd (4 x wOv) 1 0.0 F jy 0.0 5016 removal provided by pond. 0+ -6 t w W r ^ o , a Additional removal provided by MN` W Q �f ' r r0 � W oa �S T + �+ Lickinghole Basin through the U C, z Iti. 0 o� z0 Pro -Rata Share Contribution * impervious area before development in designated growth areas can be a minimum 20% this is most often NOT the entire property, but the portion of the property within the subject drainage area, or the drainage area to the facility /77 2, / _ see Table 13 urJ- A I Note: WQV shown is 4 x WQV 100 ft. % -- / i / =r r� � T i Table 14. Detention Compliance tabs l , DETENTION COMPLIANCE - Block 3 project area (acres) 5.8 (roughly equal to lWts of disturbance) area detained (acres) H N Z 5.8 N Z to Z z W percent capture 100% (should be between 80% and 120%) W U W V W W 43) O W H -�z Q O W O y� Q O U t0 F_ T Z z C ZQ U N Z (n O � to v W m a 2S o remarks Detained Areas O U W Q CIC d O U W O U W z U W O 5.8 Q 5.70 Zz 21.60 see ultimate analysis 2 Year 5.8 P4 7.60 E Z 27.80 see ultimate analysis 10 Year M 5.8 a z 10.00 : C: a Z La 36.60 see ultimate analysis 100 Year O o Un -detained Areas O O cn �■■� � Q c C W 0 S 0.0 ow 0.0 - 2 Year 0 ° c t u 3 0.0 0.0 - 10 Year u � c c 0 W 1 0.0 F jy 0.0 - 100 Year I C• SCO R. COLLINSZ No. 35791 2� �..'SIONAL E�l 0 0 0 0 0 0 0 ri ri •-i rl .-� M L9 H N Z H N Z to Z z W N Z O W V W f 43) O M H -�z Q O O U O O U O U z F_ T Z z C ZQ U N Z (n O � � W o � O 0 N Q W d O U W Q CIC d O U W O U W z U W O Q Q � Zz �� P4 �-. E Z N a z M M z a z W a : C: a Z La � LU `" O o O ;, O O cn �■■� � Q c C W S ow o_ ° c t u 3 G u � c c W F jy O F_ 0+ -6 t w W r ^ o , a U MN` W 0 0 0 0 0 0 0 ri ri •-i rl .-� M L9 M Z N V CL 43) M W u) o a 1_ W F_ T ZQ C W ° L O � � o � WN N N J W°' Q Q � Zz �� d LL L LL N LL Z l : C: a Z La LU v a- L9z � � � Q c C ow ° c t u 3 G u � c c W F jy O F_ 0+ -6 t r ^ o , a U MN` p Q �f ' r r0 � W oa �S T + �+ w U C, z Iti. 0 o� z0 J 0t Z= C/) 00 a-, Lal W � Z Z C O ttttJ Z .C LaJ � zz� J 4 J f o w t J w w � (I ° >1 'C X 0_ C) W ° f T 00 O >1 O 2f U � x' 00 N � N i f C W J F- � o c + y W � L5 C E + O O( W _ ° JOB NO. f 02006 0l � Q ° SCALE 1 "=100' v. os ` o� a i SHEET NO. SWM -1 in, °' ` L s UPPER, BALLARD FIELD POND - STORMWATER MANAGEMENT ANALYSIS ULTIMATE CONTRIBUTING IMPERVIOUS AREAS TO EXISTING RETENTION BASIN II ON UPPER BALLARD FIELD PRE -DEVELOPMENT IMP ER1/IOUSNESS• EXIST. AREA 100.9 ac EXIST. Cw 0.30 PROPOSED AREA 55.1 ac. EXIS71NG Cw 0.30' IMPERVIOUS AREA: (156.0*0.30) = 46.8 ac. POS T-DEVEL OPMENT IMPERVIOUSNESS EXIST. AREA 100.9 ac. EXIST. C 0.30 PROPOSED AREA 55.1 ac. PROPOSED C 0.80 IMPERVIOUS AREA: (100.9*0.30)+(55.1 *0.80) = 84.44 ac. SUMMARY.• REMOVAL REQUIRED: 5821 REMOVAL PROVIDED: RE7ENRON BASIN 11 = 50% (REMAINDER OF REMOVAL RATE ACHIEVED, W TH CONTRIBU71ON TO PRO -RATA SHARE) WA TER QUALITY VOLUME REQUIRED: (5, 660 ' cy * 4) = 22,640 cy WATER QUALITY VOLUME PROVIDED: POND AREA 0 672.6 = 163,786 SQ FT POND AREA ® 668 = 136,192 SQ FT (((163, 786 + 136,192)/2)*4.6)/27 = 25,554 CY 25,554 CY > 22,640 CY Type.... Master Network Summary Page 1.01 Name.... Watershed File.... L• \Land Projects 2007\02000 -Old TroN\02002\Calcs\STM\EXISMNGUPPERBALLARDFIELDPOND.PPW MASTER DESIGN STORM SUMMARY Default Network Design Storm File, ID Albemarle Court Rainfall Return Event Type IDF ID ------------ --- Dev 2 I -D -F Curve 2 Yr Dev, 10 I -D -F Curve 10 Yr Dev100 1 -D -F Curve 100 Yr MASTER" NETWORK SUMMARY Modified Rational Method Network (*Node=OutfaN; ' +Node-Dhrersion, ) (Trun- HYG Truncation: Blank -None; L=Left; R=Rt; LR=LeftdeRt) Type.... Mod. Rational Graph Page 3.04 Name.... EX AREA TO POND Tag: Devi 00 Event: 100 yr File.... L•\Land Projects 2007\02000 -Old TraR\02002\Calc$\STM\E)OSTINGUPPERBALLARDFIELDPOND.PPW Storm... 100 Yr Tag: Devi 00 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) * RETURN FREQUENCY: 100 yr 1 Allowable Outflow: 206.46 cfs * 'C' Adjustment: 1.000 1 Required Storage: .089 ac -ft * STORM DURATION - Tc for Max.Storage *--------------------------------------------------------------------_ * Peak Inflow- 20&23 cf* • _ .HYG File: Dev100 71 Tc- .7500 hrs 1 = 4.5000 in/hr Area - 131.120 acres .0 - 208.23 cfs Weighted C - .350 ... • Adjusted C - .350 .-------- Required Storage .089 ac -ft 0 0 o Q - 206.46 cfs 0 I. (Allow.Outflow) o 0 (•. NOT TO SCALE ----------------------1------------------------ .7564 hrs T ,845 21 £l. 679.0 \It-- 6 TOP OF DAM . d d d4. p 100 M WA 7ER£ p E7. 676.69 p d 4 d 4 p £L . 67J.1 1 0. El. 674.SOQd 4 d p. alp d -d d 4 - C _d 4. p :.4 p Jd. -F-p4 d p is d d. - p 4 d L ' NORMAL WS. EL£Y. 672.6'116' LNICK -vw P.S/ Caw W/ 6X6 WNF & CURTAIN WALLS ON 1.5"XJ" FOOLING OOWSLREiAM END. EXISTING POND KATIR MT.4IL (NOT TO SCALE) 679.00 !ar WOt - nate - L. = 0/9.0y 777 20' -Crest of Dam _ EL£lf - Clay Liner to be applied to the entire face of dam This liner shall consist of 2' CH (Clay) material with Ligand Limit > 50. Plasticity > 25 0.r PermeabMity - 1 x 10 -6 cm/s or lower Clay liner shall be benched and compacted in accordance with WOT Specifications. 6" of Topsod shall be applied over the clay liner and seeded - Edge of Shoulder to C/L o F. EL 680.05 R� C POINT OF R1W STD. CG -6 FINISHED GRADE 4^ CONCRETE 2 CURB & £L. = 679.67 2 SIDEWAL GUTTER am 21 3.t 8 6 Z.'.5 13 13 2.5 6 8 2 51 1 OLD TRAIL DRQ El. 675.0 f)07STNVG l,YPOUfVD EXISTING POND CROSS SECTION (NOT 70 SCALE) Type.... Mod. Rational Graph Page 3.02 Name.... EX AREA TO POND Tag: Dev 2 Event: 2 yr Flo.... L•\Land Projects 2007\02000 -Old TraN\02002\Calcs\STM\E)GSTINGUPPERBALLARDFlELDPOND.PPW Storm... 2 Yr Tag: Dev 2 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method I Q - CIA * Units Conversion: Where Conversion - 43560 / (12 = 3600) = RETURN FREQUENCY: 2 yr I Allowable Outflow: 8258 cfs * 'C' Adjustment: 1.000 1 Required Storage: .042 ac -ft * STORM DURATION - Tc for Max.Storage * ----------------------------------------------------- Peak Inflow: 83.29 * * .HYG File: Dev 2 7 Tc- .7500 hra I - 1.8000 in/hr Area = 131.120 acres . Q - 83.29 cfs Weighted C - .350 .. Adjusted C - .350 . Required Storage .-------- .042 ac -ft . I• o 0 o Q - 8258 cf* o (Allow.Outflow) 0 1. o 1 NOT TO SCALE a I !!lssslssss! 1-------------- ------1------------------------ .7564 hre T Type.... Mod Rational Graph Page 3.06 Name.... NEW AREA TO POND Tag: Dev 2 Event: 2 yr Flo.... L•\Land Projects 2007\02000 -Old TraN\02002\Colts\STM\E)OS7INGUPPERBAU"FIELDPOND.PPW Storm... 2 Yr Tag: Dev, 2 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method I Q = CiA = Units Conversion; Where Conversion = 43560 / (12 * 3600) * RETURN FREQUENCY 2 yr I Allowable Outflow. 50.02 cfs * 'C' Adjustment 1.000 ( Required Storage: .063 oc-ft * STORM DURATION - Tc for Max.Storage ` ----------------------------- -------------------;-------------------_ * Peak Inflow- 53.36 cfs * .HYG File: Dev 2 ` Tc- .2273 hrs I - 3.6360 in/hr Area - 1&900 acres Q - 53.36 cfe Weighted C - .770 .. Adjusted C = .770 .-------- Required Storage - .063 ac -ft 000 0-50.02cfs 0 1. (Allow.Outflow) 0 1. . 0 1 NOT TO SCALE ----------------------1------------------------ .2415 hrs T Type.... Mod., Rational Graph Page 3.03 Name.... EX AREA TO POND Tag: Dev 10 Event: 10 yr Flo... L•'\Lond Projects 2007\02000 -Old TroN\02002\Calcs\S7M\E)OSTiNGUPPERBALLARDFlELDPOND.PPW Storm... 10 Yr Tag: Dev 10 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method Q ,- CiA * Units Conversion; Where Conversion - 43580 / (12 = 3600) * RETURN FREQUENCY- 10 yr I Allowable Outflow. 114.70 cfs * * 'G' Adjustment: 1.000 I Required Storage: .058 ac -ft * STORM DURATION - Tc for Max.Storage - Inflow: --- cfs------------------------------ *------------------- * Pe _ * .HWG File: Dev 10 76- .7500 hre 1 - 25000 in/hr Area = 131.120 acres . Q - 115.69 cfs Weighted C - .350 .. Adjusted C - .350 Required Storage ----------- .058 oc-ft . I• .. 000 Q=114.70cfs 0 1. (Allow.Outflow) 0 1. 0 1 NOT TO SCALE a I I . ---------------------- ------------------------ .7564 hrs T Type.... Mod. Rationall Graph Page 3.07 Name.... NEW AREA TO POND Tag: Dev 10 Event: 10 yr Flo... L• \Land Projects 2007\02000 -Old TraN\02002\Calcs\STM\E)OSTINGUPPERBAU ARDFIELDPOND.PPW Storm... 10 Yr Tog: Dev 10 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method I Q = GA = IUnits Conversion; Where Conversion = 43560 / (12 = 3600) * RETURN FREQUENCY. 10 yr 1 Allowable Outflow: 65.82 cfs * 'C' Adjustnnent: 1.000 I Required Storage: .066 ac -ft * Peak Inflow. 66.03 cfs * .HYG Fie Dev 10 Ell Td - .2500 hr$ 1 Return Freq: 10 yr ------- Aipprox. Duration for Max. Storage ------/ C ad jfactor.1.000 I I Tc- .2273 hrs 1 1 - 4.7360 In/hr 1 Area - 18.900 acres . Q - 69.50 cfs 1 Weighted C - .770 •I• 1 Adjusted C - .770 . Required Storage I I -- .066 ac -ft I Td= .2500 hrs . ( I • I 1 = 4.5000 in/hr xxxxxxxlxxxxxxxxxxx Q=66.03eft x I x o Q - 65.82 cfs x o Ix (Allow.Outflow) . x 0 1 x o NOT TO SCALE 1 x x a • iiisiiiii!!! I ----------------------------------------------------- ------------ .2507 hrs T Type.... Tc Calcs Page 2.01 Name.... EX AREA TO POND Tag: POST File.... L \Land Projects 2007\02000 -Old Trofl\02002\Calc*\S7M\EXISIlNGUPPERBALLARDFIELDPOND.PPW TIME • OF •CONCENTRATION• CALCULATOR ............................. . Segment #1: Tc: User Defined Segment #1 Time: .7500 hrs ss:lsssls!!! s:ssl:sss:!! s Total Tc: .7500 hm sssss sss s s sss:sss i sss si s s Type.... Tc Calcs Page 2.03 Name.... NEW AREA TO POND Tag: POST File.... L• \Land Projects 2007\02000 -Old TroN\02002\Calcs\STM\EXISTINGUPPERBALLARDFIELDPOND.PPW ........................................................................ 11ME OF CONCENTRATION CALCULATOR Segment #1: Tc: User Defined Segment #1 Time: .2273 hrs ------------------------------------------------------------------------ Total Tc: .2273 hra :isssasssissssssasssss:as General construction notes for Stormwater Management plans 1. All dams and constructed fill to be within 9590 of maximum dry density and 2% of optimum moisture content. All fill material to be approved by a geotechnical engineer. A geotechnical engineer is to be present during construction of dams. 2. Pipe and riser joints are to be watertight within stormwater management facilities. 3. For temporary sediment traps or basins which are to be converted to permanent stormwater management facilities; conversion is not to take place until the site is stabilized, and permission has been obtained from the County erosion control inspector. Type.... Mod. Rational Graph Page 3.08 Name.... NEW AREA TO POND Tag: DrAO0 Event: 100 yr File... L• \Land Projects 2007\02000 -Old TraN\02002\Calc*\STM\EXIS1INGUPPERBALLARDFlELDPOND.PPW Storm... 100 Yr Tag: Devi 00 EF MODIFIED RATIONAL METHOD Graphical Summary for Maximum Required Storage Method I Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) * RETURN FREQUENCY. 100 yr I Allowable Outflow. 107.94 cfs * 'C' Adjustment 1.000 1 Required Storage: .145 ac-ft *--------------------------------------------------------------------* * Peak Inflow- 110.06 cfs = * .HYG Flo: Dev100 = Td = .2500 hrs 1 Return Freq: 100 yr /------- Approx. Duration for Max. Storage ---- / C ad1factor.1.000 Tc- .2273 hrs 1 1 - 7.7720 in/hr 11 Area - 18.900 acres . Q - 114.05 cfs ( Weighted C - .770 •I• I Adjusted C - .770 •I- I 1 Required Storage 1 -- .145 ac -ft 1 Td- .2500 hrs . I • I 1 = 7.5000 in/hr xxxxxxAxxxxxxxxxxx 0=110.06cfs x 1 x o Q - 107.94 cfs x o Ix (Allow.Outflow) x O X o NOT TO SCALE 1 x x a . iilii!liisi! o I x ------------ .2544 hrs T TH op SCOTT COLLINS'Z �." No. 35791 k0 3-I0_ I'D w� %` ,-ONAL E l Ln Max Return . HYG vol Qp eek Qpeok Max WSEL Pond St oroge Node ID Type Event ac -ft Trun hrs cfs ft ac -ft ------------ EX AREA TO POND AREA 2 5.183 7500 83.29 EX AREA TO POND AREA 10 7.171 .7500 115.69 Z EX AREA TO POND AREA 100 12.907 .7500 208.23 *EX OUTFALL JCT 2 5.280 1.3100 20.11 CL L *Ex OUTFALL JCT 10 7.625 1.2900 32.35 H *EX OUTFALL JCT 100 14.234 1.2400 71.17 0 EXISTING PONDIN POND 2 6.165 .7500 83.29 EXISTING PONDIN POND 1D &534" 7500 115.69 06 EXISTING PONDIN POND 100 15.180 .7500 20&23 Q EXISTING PONDOUT POND 2. 5.280 1.3100 20.11 673.85 5.076 EXISTING PONDOUT POND 10 7.625 1.2900 3235 674.23 6.728 EXISTING PONDOUT POND 100 14.234 1.2400 71.17 675.18 11.083 NEW AREA TO POND AREA 2 1.002 2273 53.35 a NEW AREA TO POND AREA 10 1.363 .2373 66.03 UJ NEW AREA TO POND AREA 100 2.272 .2373 110.06 M Type.... Mod. Rational Graph Page 3.04 Name.... EX AREA TO POND Tag: Devi 00 Event: 100 yr File.... L•\Land Projects 2007\02000 -Old TraR\02002\Calc$\STM\E)OSTINGUPPERBALLARDFIELDPOND.PPW Storm... 100 Yr Tag: Devi 00 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) * RETURN FREQUENCY: 100 yr 1 Allowable Outflow: 206.46 cfs * 'C' Adjustment: 1.000 1 Required Storage: .089 ac -ft * STORM DURATION - Tc for Max.Storage *--------------------------------------------------------------------_ * Peak Inflow- 20&23 cf* • _ .HYG File: Dev100 71 Tc- .7500 hrs 1 = 4.5000 in/hr Area - 131.120 acres .0 - 208.23 cfs Weighted C - .350 ... • Adjusted C - .350 .-------- Required Storage .089 ac -ft 0 0 o Q - 206.46 cfs 0 I. (Allow.Outflow) o 0 (•. NOT TO SCALE ----------------------1------------------------ .7564 hrs T ,845 21 £l. 679.0 \It-- 6 TOP OF DAM . d d d4. p 100 M WA 7ER£ p E7. 676.69 p d 4 d 4 p £L . 67J.1 1 0. El. 674.SOQd 4 d p. alp d -d d 4 - C _d 4. p :.4 p Jd. -F-p4 d p is d d. - p 4 d L ' NORMAL WS. EL£Y. 672.6'116' LNICK -vw P.S/ Caw W/ 6X6 WNF & CURTAIN WALLS ON 1.5"XJ" FOOLING OOWSLREiAM END. EXISTING POND KATIR MT.4IL (NOT TO SCALE) 679.00 !ar WOt - nate - L. = 0/9.0y 777 20' -Crest of Dam _ EL£lf - Clay Liner to be applied to the entire face of dam This liner shall consist of 2' CH (Clay) material with Ligand Limit > 50. Plasticity > 25 0.r PermeabMity - 1 x 10 -6 cm/s or lower Clay liner shall be benched and compacted in accordance with WOT Specifications. 6" of Topsod shall be applied over the clay liner and seeded - Edge of Shoulder to C/L o F. EL 680.05 R� C POINT OF R1W STD. CG -6 FINISHED GRADE 4^ CONCRETE 2 CURB & £L. = 679.67 2 SIDEWAL GUTTER am 21 3.t 8 6 Z.'.5 13 13 2.5 6 8 2 51 1 OLD TRAIL DRQ El. 675.0 f)07STNVG l,YPOUfVD EXISTING POND CROSS SECTION (NOT 70 SCALE) Type.... Mod. Rational Graph Page 3.02 Name.... EX AREA TO POND Tag: Dev 2 Event: 2 yr Flo.... L•\Land Projects 2007\02000 -Old TraN\02002\Calcs\STM\E)GSTINGUPPERBALLARDFlELDPOND.PPW Storm... 2 Yr Tag: Dev 2 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method I Q - CIA * Units Conversion: Where Conversion - 43560 / (12 = 3600) = RETURN FREQUENCY: 2 yr I Allowable Outflow: 8258 cfs * 'C' Adjustment: 1.000 1 Required Storage: .042 ac -ft * STORM DURATION - Tc for Max.Storage * ----------------------------------------------------- Peak Inflow: 83.29 * * .HYG File: Dev 2 7 Tc- .7500 hra I - 1.8000 in/hr Area = 131.120 acres . Q - 83.29 cfs Weighted C - .350 .. Adjusted C - .350 . Required Storage .-------- .042 ac -ft . I• o 0 o Q - 8258 cf* o (Allow.Outflow) 0 1. o 1 NOT TO SCALE a I !!lssslssss! 1-------------- ------1------------------------ .7564 hre T Type.... Mod Rational Graph Page 3.06 Name.... NEW AREA TO POND Tag: Dev 2 Event: 2 yr Flo.... L•\Land Projects 2007\02000 -Old TraN\02002\Colts\STM\E)OS7INGUPPERBAU"FIELDPOND.PPW Storm... 2 Yr Tag: Dev, 2 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method I Q = CiA = Units Conversion; Where Conversion = 43560 / (12 * 3600) * RETURN FREQUENCY 2 yr I Allowable Outflow. 50.02 cfs * 'C' Adjustment 1.000 ( Required Storage: .063 oc-ft * STORM DURATION - Tc for Max.Storage ` ----------------------------- -------------------;-------------------_ * Peak Inflow- 53.36 cfs * .HYG File: Dev 2 ` Tc- .2273 hrs I - 3.6360 in/hr Area - 1&900 acres Q - 53.36 cfe Weighted C - .770 .. Adjusted C = .770 .-------- Required Storage - .063 ac -ft 000 0-50.02cfs 0 1. (Allow.Outflow) 0 1. . 0 1 NOT TO SCALE ----------------------1------------------------ .2415 hrs T Type.... Mod., Rational Graph Page 3.03 Name.... EX AREA TO POND Tag: Dev 10 Event: 10 yr Flo... L•'\Lond Projects 2007\02000 -Old TroN\02002\Calcs\S7M\E)OSTiNGUPPERBALLARDFlELDPOND.PPW Storm... 10 Yr Tag: Dev 10 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method Q ,- CiA * Units Conversion; Where Conversion - 43580 / (12 = 3600) * RETURN FREQUENCY- 10 yr I Allowable Outflow. 114.70 cfs * * 'G' Adjustment: 1.000 I Required Storage: .058 ac -ft * STORM DURATION - Tc for Max.Storage - Inflow: --- cfs------------------------------ *------------------- * Pe _ * .HWG File: Dev 10 76- .7500 hre 1 - 25000 in/hr Area = 131.120 acres . Q - 115.69 cfs Weighted C - .350 .. Adjusted C - .350 Required Storage ----------- .058 oc-ft . I• .. 000 Q=114.70cfs 0 1. (Allow.Outflow) 0 1. 0 1 NOT TO SCALE a I I . ---------------------- ------------------------ .7564 hrs T Type.... Mod. Rationall Graph Page 3.07 Name.... NEW AREA TO POND Tag: Dev 10 Event: 10 yr Flo... L• \Land Projects 2007\02000 -Old TraN\02002\Calcs\STM\E)OSTINGUPPERBAU ARDFIELDPOND.PPW Storm... 10 Yr Tog: Dev 10 MODIFIED RATIONAL METHOD ---- Graphical Summary for Maximum Required Storage ---- Method I Q = GA = IUnits Conversion; Where Conversion = 43560 / (12 = 3600) * RETURN FREQUENCY. 10 yr 1 Allowable Outflow: 65.82 cfs * 'C' Adjustnnent: 1.000 I Required Storage: .066 ac -ft * Peak Inflow. 66.03 cfs * .HYG Fie Dev 10 Ell Td - .2500 hr$ 1 Return Freq: 10 yr ------- Aipprox. Duration for Max. Storage ------/ C ad jfactor.1.000 I I Tc- .2273 hrs 1 1 - 4.7360 In/hr 1 Area - 18.900 acres . Q - 69.50 cfs 1 Weighted C - .770 •I• 1 Adjusted C - .770 . Required Storage I I -- .066 ac -ft I Td= .2500 hrs . ( I • I 1 = 4.5000 in/hr xxxxxxxlxxxxxxxxxxx Q=66.03eft x I x o Q - 65.82 cfs x o Ix (Allow.Outflow) . x 0 1 x o NOT TO SCALE 1 x x a • iiisiiiii!!! I ----------------------------------------------------- ------------ .2507 hrs T Type.... Tc Calcs Page 2.01 Name.... EX AREA TO POND Tag: POST File.... L \Land Projects 2007\02000 -Old Trofl\02002\Calc*\S7M\EXISIlNGUPPERBALLARDFIELDPOND.PPW TIME • OF •CONCENTRATION• CALCULATOR ............................. . Segment #1: Tc: User Defined Segment #1 Time: .7500 hrs ss:lsssls!!! s:ssl:sss:!! s Total Tc: .7500 hm sssss sss s s sss:sss i sss si s s Type.... Tc Calcs Page 2.03 Name.... NEW AREA TO POND Tag: POST File.... L• \Land Projects 2007\02000 -Old TroN\02002\Calcs\STM\EXISTINGUPPERBALLARDFIELDPOND.PPW ........................................................................ 11ME OF CONCENTRATION CALCULATOR Segment #1: Tc: User Defined Segment #1 Time: .2273 hrs ------------------------------------------------------------------------ Total Tc: .2273 hra :isssasssissssssasssss:as General construction notes for Stormwater Management plans 1. All dams and constructed fill to be within 9590 of maximum dry density and 2% of optimum moisture content. All fill material to be approved by a geotechnical engineer. A geotechnical engineer is to be present during construction of dams. 2. Pipe and riser joints are to be watertight within stormwater management facilities. 3. For temporary sediment traps or basins which are to be converted to permanent stormwater management facilities; conversion is not to take place until the site is stabilized, and permission has been obtained from the County erosion control inspector. Type.... Mod. Rational Graph Page 3.08 Name.... NEW AREA TO POND Tag: DrAO0 Event: 100 yr File... L• \Land Projects 2007\02000 -Old TraN\02002\Calc*\STM\EXIS1INGUPPERBALLARDFlELDPOND.PPW Storm... 100 Yr Tag: Devi 00 EF MODIFIED RATIONAL METHOD Graphical Summary for Maximum Required Storage Method I Q = CiA * Units Conversion; Where Conversion = 43560 / (12 * 3600) * RETURN FREQUENCY. 100 yr I Allowable Outflow. 107.94 cfs * 'C' Adjustment 1.000 1 Required Storage: .145 ac-ft *--------------------------------------------------------------------* * Peak Inflow- 110.06 cfs = * .HYG Flo: Dev100 = Td = .2500 hrs 1 Return Freq: 100 yr /------- Approx. Duration for Max. Storage ---- / C ad1factor.1.000 Tc- .2273 hrs 1 1 - 7.7720 in/hr 11 Area - 18.900 acres . Q - 114.05 cfs ( Weighted C - .770 •I• I Adjusted C - .770 •I- I 1 Required Storage 1 -- .145 ac -ft 1 Td- .2500 hrs . I • I 1 = 7.5000 in/hr xxxxxxAxxxxxxxxxxx 0=110.06cfs x 1 x o Q - 107.94 cfs x o Ix (Allow.Outflow) x O X o NOT TO SCALE 1 x x a . iilii!liisi! o I x ------------ .2544 hrs T TH op SCOTT COLLINS'Z �." No. 35791 k0 3-I0_ I'D w� %` ,-ONAL E l uJ 0 0 0 0 0 I Q rl .--1 .moi C-4 , 1 tit L9 Ln to cn Z z M Z Z aN N Z w Z w w M o CL L W0 c�1 H Z ° L O W01 2 F --a 0 O J 0 (VZ Q 0 0 o 06 oclE Q r Q W w w e� LL Z CZ �z 1-4Q a m V °w L9w oZ -i W Z �o Z. UJ W a 0 a 0 0 UJ UJ rn `J C o U O M a UJ W NJ W w W u ' � 0-- MTI U aa.. M ENatntza x t \/ UJU1 to W. > Z V)z cn Z H z 0 Z c Z Z (� Ce Z _ o - 0 0 H=1 in �, J 0 e�U) W w p� 0 v " L o � w � LU LU o Q W Lu WC J w O o U oC cC oc uJ 0 0 0 0 0 I Q rl .--1 .moi C-4 , 1 tit L9 M Z s,■ M aN N M o CL L W0 c�1 H Z ° L O W01 F --a 0 J (VZ 06 z W w w e� LL Z CZ �z 1-4Q a m V °w L9w oZ -i W Z �o E..., �� • W . o 0 0 oC a1 .3 0 rn `J C o U < 0 C U W 6 0 u ' � 3 � MTI U iI N L M x t \/ UJU1 0 o � ° W. U. Q_ Z H C° Y LU c ° w Z _ O O Z-0 w U H=1 z In J 0 e�U) W w p� 0 v " L o � w � T� i v o Q 0 o 0 O J O o U M 00 X +U Q) U N LU vo U ~ a C 0LU a U) U -0- C JOB NO. ami 02006 0 (A SCALE N/A°� C 4 SHEET NO. o- c SWM -2 � aC a� a•� tA• t ai Landscaping Calculations A Abb. Scientific Name Common Name Caliper Size Comments 10 -YR CANO':EQuantity Total Interior Onsite Canopy Quantity Canopy CANOPY TREES AR Acer Rubrum'Red Sunset' lFraxinus Red Sunset 3.5" cal. to 1i O 71 lA 510 4 2,040 4 2,040 FP pennsylvanica Green Ash 3.5" cal. 1 742 1 3 2,226 1 0 UNDERS TORY TREES AP Amalanchier x grandiflora 'Autumn Brilliance' Autumn Brilliance Serviceberry 6'- 7' ht 161- multi -stem 130 5 650 5 650 PY Prunus Yedoensis Yoshino Cher 7' ht 99 3 1 297 1 3 1 297 3 SHRUBS IG I Ilex Glabra 'Shamrock' Shamrock Inkberry Holly IT ht. 23 1 44 1,012 44 1,012 TH 0,� W OCOTT R. COLUNSZ U Lic. No. 035791 � ��SSIONAL zv l04) V,3 a - ' a - e ` / .• • e. \v \ 6,0 - % , - 4 Calculations 1 GRAPHIC SCALE > �X \V 6? TOTAL SITE AREA: 1.195 AC 52,054 sf 30 0 15 30 60 120 o 67 _ — — \ _ _ _ — — TOTAL CANOPY REQUIRED: 0.12 AC rn �„ o �.,;' �— �, ''� TOTAL CANOPY PROPOSED: 0.15 AC 6, 2 s z D z w IN FEET) 0 a O jy INTERIOR CANOPY REQUIRED: (5% OF 6,131 sf) f 1 inch = 3o it. ♦ \ ♦ CANOPY PROPOSED: 9 sf �/� o a v a •• a a I U) z a z 00000 Q Q \ , ` W a o `\LLI 1. lL Z dW W o W i I v w vi > H 0- LLJ EXISTING ~= a W o � �# , - S BASIN"EDIMENT ° I 6g2 \� \ ♦ , L. -�+ EXISTING :4 --- l PARKING LOT I i QKT,j1 -1 JISTI - \ 0 o t 'f I I� 1 J �_f v _1 -' ,.-1 : i. i r -- - - �I - IJ . Fj - jf y - /L9 , , t , _ p r N1 C 1 - �, FUTURE DEVELOPMENT rr 20 r � � � \. CLAREMONT LANE APPROVED UNDER >22.� V' _ BLOCK 3 PHASE A CONSTRUCTION. PLANS a Py , h 8F% AR \ 16 i 1hi i 6 :\ r , p.r j - \ ` �i a .. `�/ \ - , , &P \ CANTING �• y STRIP TYP ( ) iI Pyr.; p , I AP E � /P` i j . a , \ Y:{- - - 1 " 7 \is \\ T DEVELOPMENT \ \ FUTURE DEVE 0 \ SUD1111ltel \ \ \ •d \ \ \ Revie%ved an Approved s the �t \ment Depart,, Community . ,.velop \ \ \ Date__ File# , , - - - �� v\ v • /, / v BLOCK 2 01 t 0 �C"4 4 P-4 V I-11 (V Uj _ W O � ON N LL W O r LU Z J L9 LU O ca a Z Ix W � U) U Wx Q C) � w M Ul P U 0 J - O � J w E --II W W F"' o � 00 ,0 J 0 W J W 0 W Ce a. to JOB NO. 02006 SCALE 1 "=30' SHEET NO. LL -1 O O O +1 Q to 1i O 71 lA N O %D -1 ' /L9 , , t , _ p r N1 C 1 - �, FUTURE DEVELOPMENT rr 20 r � � � \. CLAREMONT LANE APPROVED UNDER >22.� V' _ BLOCK 3 PHASE A CONSTRUCTION. PLANS a Py , h 8F% AR \ 16 i 1hi i 6 :\ r , p.r j - \ ` �i a .. `�/ \ - , , &P \ CANTING �• y STRIP TYP ( ) iI Pyr.; p , I AP E � /P` i j . a , \ Y:{- - - 1 " 7 \is \\ T DEVELOPMENT \ \ FUTURE DEVE 0 \ SUD1111ltel \ \ \ •d \ \ \ Revie%ved an Approved s the �t \ment Depart,, Community . ,.velop \ \ \ Date__ File# , , - - - �� v\ v • /, / v BLOCK 2 01 t 0 �C"4 4 P-4 V I-11 (V Uj _ W O � ON N LL W O r LU Z J L9 LU O ca a Z Ix W � U) U Wx Q C) � w M Ul P U 0 J - O � J w E --II W W F"' o � 00 ,0 J 0 W J W 0 W Ce a. to JOB NO. 02006 SCALE 1 "=30' SHEET NO. LL -1