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HomeMy WebLinkAboutWPO201300027 Plan - Approved 2013-04-16r, SHEET INDEX SHEET 1 ---- ---- -- COVER SHEET SHEET 2 -- ---- -- EXISTING CONDITIONS DEMOLITION PLAN SHEET 3 - ---- -- LAYOUT AND UTILITY PLAN r- SHEET 4 ----- GRADING AND DRAINAGE PLAN SHEET 5 ----- LANDSCAPING PLAN SHEET 6 ----- ROAD, UTILITY AND STORM SEWER PROFILES SHEET 7 -- ---- -- ROAD PROFILE, TYPICAL SECTIONS, & UTILITY DETAILS SHEET 8 EROSION CONTROL PLAN SHEET 9 -- ---- -- 1310- RETENTION PLAN, NOTES & DETAILS SHEET 10 -- ---- -- E.C. NOTES AND DETAILS SHEET 11 -- ---- -- HYDRAULIC COMPUTATIONS & SIGHT DISTANCE PROFILE SHEET 12 -- ---- -- DRAINAGE AREA MAP v SHEET 13 - ---- -- CONSTRUCTION DETAILS, E.C. NOTES &DETAILS ALBEMARLE COUNTY ... GenerTa 1`' Construct ion Notes for Streets ' • All materials and construction must be tested and documented according to VDOT 1 (� Cf) standards and specifications. w � W Z • Surface drainage and pipe discharge must be retained within the public �Z W right -of -way or within easements prior to acceptance. All drainage outfall I`� easements are to be extended to a boundary line or a natural watercourse. J Q. • Guardrail locations are approximate. Exact length, location and appropriate end ' � tr W treatments will be field verified at the time of construction. Additional O 2 00 guardrail may be required at locations not shown when, in the opinion of VOOT (for Z WCr public roads) or the County Engineer (for private roads). or designee, it is 0 deemed necessary. When guardrail is required, it shall be installed four (4) feet Z U offset from the edge of pavement to the face of guardrail, and roadway shoulder O� Q U widths shall be increased to seven (7) feet. O • Where urban cross sections are installed, all residential driveway entrances shall r� `./ W 0� j conform to VOOT CG-9(A, B or C) . rz • Where rural cross sections are installed, all residential driveway entrances shall =/1 W Z conform to VDOT standard PE -1. • Compliance with the minimum pavement width, shoulder width and ditch sections, as �W aW shown on the typical pavement section detail, shall be strictly adhered to. • Road plan approval for subdivisions is subject to final subdivision plat UI 2 validation. Should the final plat for this project expire prior to signing and 0 recordation, then approval-of these plans shall be null and void. • All signs or other regulatory devices shall conform with the Virginia Manual for Uniform Traffic Control Devices and the Albemarle County Road Naming and Property Numbering Ordinance and Manual. • Traffic control or other regulatory signs or barricades shall be installed by the developer when, in the opinion of the County Engineer, or designee, they are deemed necessary in order to provide safe and convenient access. • 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. • VDOT standard CD -i or CD -2 cross- drains are to be installed under the subbase material at all cut and fill transitions and grade sag points as shown on the road profiles. • A video camera inspection is required for all storm sewers and culverts that are deemed inaccessible to VOOT or County inspections. The video inspection shall be l conducted in accordance with VDOT's video camera inspection procedure. • 95% Kentucky 31 or Tall Fescue and 0 -5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 801bs /i00sf. Alternatives are subject to approved . by the County erosion control inspector. • Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to be repair immediately. Silt traps are to be cleaned when 50% of the wet storage volume is frilled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes which are collecting sediment to half their height must be cleaned and repaired immediately. • All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. • This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection Ordinance section 17- 204G.) • Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commenced. (Water Protection Ordinance section 17- 207B) L 10-.LD !!IIIIIII!IIIII ' ' II IIIIIIIIIIIII! V,L[.Ais ' � IVIIIIIII I IIIIIIIIIIIIIIIIIIIIIIIIIII I I! 'J! II I,IIIIIIIIIIIIIIIIIIII Illjll BLOCK 35A & BLOCK 111111 �I m�o L 0 Z Z U v m a` 0 C:n Z a M H a r , rams •. WOOnBOURNE LANE V O VILLAGE Blocks CEO \ 29A & 35A 3 Gp1-F pAYVE � 1� OLD TRAIL 0 J 1--1 a t-- CM J 0 6a E . RT � 25 0 TElAST pTE GAP TP K TO IN ROGKFISH OLD TRAIL VILLAGE OVERVIEW & VICINITY MAP ill = 1000' ALBEMARLE COUNTY General Construction Notes • Prior to any construction within any existing public right -of -way, including connection to any existing road, a permit shall be obtained from the Virginia Department of Transportation (VOOT) . This plan as drawn may not accurately reflect the requirements of the permit. Where any discrepancies occur the requirements of the permit shall govern. • All materials and construction methods shall conform to 'current specifications and standards of VOOT unless otherwise noted. • Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be installed prior to any clearing, grading or other construction., • All slopes and disturbed areas are to be "fertilized, seeded and mulched. • The maximum allowable slope is 2:1 (horiiantal: vertical) . Where reasonably obtainable, lesser slopes of 3:1 or better are to be achieved. • Paved, rip -rap or stabilization mat lined ditch may be required when in the opinion of the County Engineer, or designee, it is deemed necessary in order to stabilize a drainage channel. • All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices. • Unless otherwise noted all concrete pipe shall be reinforced concrete pipe Class III. • All excavation for underground pipe installation must comply with OSHA stlandards for the Construction Industry (29 CFR Part 1926). FILE COPY This copy of the approved plan is reserved for the official files of Albemarle County. Please do not remove this plan from the file. APPRovED tbY Albemarle County ' the Doe un4 Development Department Re t,�., SITE DATA OWNER / DEVELOPER: TMP 55E -1 -A1 MARCH MOUNTAIN PROPERTIES LLC P.O. BOX 370 CROZET VA, 22932 -0370 TMP 55E -1 -G MARCH MOUNTAIN PROPERTIES I LLC P.O. BOX 370 CROZET VA, 22932 -0370 PLAN PREPARER: ROUDABUSH, GALE, & ASSOCIATES 914 MONTICELLO ROAD CHARLOTTESVILLE, VA. 22902 TAX MAP PARCEL No: TMP 55E -1 -A1 ZONING NEIGHBORHOOD MODEL DISTRICT IN ACCORDANCE WITH PROFFERS OF ZMA -04 -024 APPROVED ON SEPTEMBER 14, 2005 USE: 12 SINGLE FAMILY DETACHED UNITS AREA: 3.8 Ac. (APPROX.) DENSITY. 7 UNITS / 1.74 Ac. = 4.0 D.U. / Ac. ���UTH of Df UNITS / 0.85 Ac . = 5.9 D.U. / Ac .off BUILDING HEIGHT: NOT TO EXCEED 3 STORIES SETBACKS: BLOCK 29A BLOCK 35A� C� FRONT - - - -- 10' FRONT - - - -- 15' Chris pher C. ligan REAR - - - - -- 15' REAR ----- 15' Lic. No. SIDE - - - - -- 7.5' SIDE - - - -- 10' ��0 � -z�s1� ��ww P!ARKING: 24 SPACES REQUIRED s1oxAL S PARALLEL ONSTREET PARKING PROVIDED 2 GARAGE SPACES / LOT PROVIDED = 24 SPACES PROVIDED DRAINAGE DISTRICT. LICKINGHOLE CREEK WATERSHED: LICKINGHOLE CREEK TOPOGRAPHY PROVIDED BY LOUISA AERIAL SURVEYS, JAMES BELL L.S. TO THE BEST OF MY KNOWLEDGE AND BELIEF, THE TOPOGRAPHY SHOWN FOR THE DEVELOPMENT AREA ON THESE PLANS WAS ACCURATE AT THE TIME `OF THE INITIAL PLAN SUBMITTAL. DA TUM. VERTICAL - NA VD 88, HORIZONTAL - NAD 83 TRASH: EACH LOT SHALL HAVE A PRIVATE INDIVIDUAL TRASH RECEPTACLE RECREATION AREA: APPROVED WITH OVERALL OLD TRAIL VILLAGE NEIGHBORHOOD MODEL DISTRICT. NONE PROPOSED WITH THIS PLAN. CRITICAL SLOPES: NO NATURAL CRITICAL SLOPES EXIST WITHIN THE PROJECT LIMITS. FILOODPLAIN: THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAIN LIMITS AS SHOWN ON FLOOD INSURANCE .:RATE MAP COMMMUNITY PANEL NUMBER 510006 0237 D. y EFFECTIVE; °DATE: FEBRUARY 4, 2005. MANDATORY INSPECTIONS AT THE FOLLOWING PHASES ARE REQUIRED FOR ROADS THAT ARE PROPOSED TO BE STATE MAINTAINED: i. INSTALLATION OF ANY ENCLOSED DRAINAGE SYSTEM BEFORE IT IS COVERED. ii. INSTALLATION OF ANY ENCLOSED UTILITY PLACEMENTS WITHIN THE RIGHT -OF -WAY BEFORE BEING COVERED. iii.. CONSTRUCTION OF THE CUTS AND FILLS, INCLUDING FIELD DENSITY TESTS, BEFORE PLACEMENT OF ROADBED BASE MATERIALS. iv. A FINAL PAVEMENT DESIGN, BASED ON ACTUAL SOIL CHARACTERISTICS AND CERTIFIED TESTS, SHALL BE COMPLETED AND APPROVED BEFORE THE PAVEMENT STRUCTURE IS PLACED. V. PLACEMENT OF BASE MATERIALS, INCLUDING STONE DEPTHS, CONSISTENT WITH THE APPROVED PAVEMENT DESIGN, PRIOR TO PLACEMENT OF THE PAVING COURSE OR COURSES FOLLOWED BY FIELD DENSITY AND MOISTURE TESTS AND THE PLACEMENT OF A PAVING COURSE AS SOON AS POSSIBLE. Vi. CONSTRUCTION OF PAVEMENT, INCLUDING DEPTH AND DENSITY, UPON COMPLETION AS PART OF THE FINAL INSPECTION. vii. THE CONTRACTOR IS RESPONSIBLE FOR CONTRACTING VDOT A MINIMUM OF ONE WEEK PRIOR TO EACH OF THE ABOVE PHASES OF' CONSTRUCTION TO SCHEDULE AN INSPECTION. vill. FAILURE OF THE CONTRACTOR.TO SCHEDULE THESE INSPECTIONS WILL REQUIRE ADDITIONAL TESTING OF THE ROADS AT THE DISCRETION OF VOOT OR MAY LEAD TO THE ROADS NOT BEING ELIGIBLE FOR STATE MAINTENANCE. GRADING NOTES: 1. THE LATEST EDITION OF THE ROAD & BRIDGE SPECIFICATIONS, THE ROAD & BRIDGE STANDARDS OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS SHALL GOVERN THE MATERIAL AND CONSTRUCTION METHODS OF THIS PROJECT. 2. WHERE UNSUITABLE MATERIAL IS ENCOUNTERED IN THE ROADWAY, IT SHALL BE REMOVED FROM THE ENTIRE ROAD RIGHT OF WAY WIDTH AND REPLACED WHERE NECESSARY WITH SUITABLE MATERIAL TO THE SATISFACTION OF THE ENGINEER. 3. ALL GROWTH OF 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 CONSTRUCTION OF THE SUBGRADE. Mai pri REVISIONS MAY 21, 2013 PER COUNTY & ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1"= 50'HORZ V = 10' VERT CONTOUR INTERVAL 2 FOOT ' a w (� Cf) 0 O w � W Z �Z W _ N (D N m I`� N Q a� J Q. Qr Sit U � tr W � Ua O 2 00 >o u; w Z WCr WZ 0 wg Z U w O� Q U q O ¢� clj O 0 Urn - N r� `./ W 0� j QM q rz W0 O u. =/1 W Z w 0 O 4 �W aW 0rn g. W UI 2 Z O 0 CL REVISIONS MAY 21, 2013 PER COUNTY & ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1"= 50'HORZ V = 10' VERT CONTOUR INTERVAL 2 FOOT FILE NUMBER 8053 SHEET 1 OF 13 L Cf) w � W Z Q J N C yZ � W UD a Z O I- Z > MMJV W Z WCr 0 J 0 Z Q 2 J . . o p m a >U U _JJ Q LIZ_ r UL J O FILE NUMBER 8053 SHEET 1 OF 13 F `~ ` / ___ ��� �_��� \ / ' UN����u�W~� �n����U��x�Uv�x� ..~ .°.=� n-��n \ / / \ ) \ 0, \ l c� �^ ��R�� ��U� ^^` PROPERTIES, L.L.C. D.B. 2233, PG. 389 D.B. 2035. P�, ���` 7�� . ._ _ E\//ST7�K]G Box Existing ' | � \ ` \\t�t v(*ou \. ` \ ` \ Existing VI/L (PG D'UJIV Remove VbW on Both Sides * PRESEN — GOLF COURSE ;ASC WET EDGE OF WER Box I Exist-., rees to P�Maq Exist. Trees e �66�1 to Remain of Ex 10' Lcin'sc B 3442 p.188 to be R wed X Otid Be CD 0 6 B* S lEx. 20' Son. Sewer Esmt Lkkfnghole 1-20 Existing Lkkinahole 1-18 �or �x»/` ' � � uu zu*v r.*oo / ~' \ 121 W +Z0 J�� ���r6»n( ------�_____ ---_� ' ------ � �� ^-4S p 4JO \ ---- ---- \ / ' -�--� ---'- ' ` uu z340 f!4J0 -`� __---'--+�- �DU10 � \ / �� ^ T -� ~^ ` \ ' cy / ` 0' ' ~ ' ' ^ \ - --` ~'�~~�--'`~~ -~~ / \ {� ' ' /" / ' ` , -�--- ~~ `. --- / ' \ \ _� - ' / ~ ` ' \ � \ '~~~ -- ' ` ��K�������� --� � �~ \Ex ` � ' � _-----' ' / \ - -` d \\ \ \ \ in ITn'M:92 ( \ ` � / / /' \ \ � ,_ `(-`-____ ��- ` n 690.53 In 689.94 690.45 Out)-689.PB / in ~~~' \ � \ \ /' ---' --- \ / `. / ~- , . . | \ � \ ` 600 53 j'11nn 66i In 6PZ46 11 A I 5-_ -- ---- -- / � PORTION OF Tnn� 55E-1 -Al. ~.~ MARCH MOUNTAIN PROPER L.L.C. D.B. 2233, PG. 389 / / ~ J. D.B. 2035' ��, /�m, 728 (PLAT) \, ` �����{�MODEL ---- �-'-�--'D34 _' � _�_ ----' �. / \ \ ` \ `\` / -`` /-� � K Entrance - ��-� / / 20' Utility Easement DB 3442 p.188-193 It I �~ -- SCALE 1" 50' 50 25 0 50 100 SCALE IN FEET N, OLD TML-8053\BL0CKWSUB.DWG DATE APRIL 05, 2013_1 SCALE 111 50'HORZ CONTOUR INTERVAL 2 FOOT REVISIONS MAY 21, 2013 PEP COUNTY & ACSA COMMENTS 06 z 0 CL 0 oo OP OZO o zo� 0—� 19(9 Cor- W cr F. 0- 0 z G () 0 5; Z29 W z wo X06 FL W LL LU C14 Cc z DATE APRIL 05, 2013_1 SCALE 111 50'HORZ CONTOUR INTERVAL 2 FOOT REVISIONS MAY 21, 2013 PEP COUNTY & ACSA COMMENTS DATE APRIL 05, 2013_1 SCALE 111 50'HORZ CONTOUR INTERVAL 2 FOOT FILE NUMBER SHEET 2 OF 13 06 z ZZ CL 0 oo OP OZO o zo� 0—� W cr F. 0- 0 z G () 0 5; Z29 W z wo X06 FL W FILE NUMBER SHEET 2 OF 13 0. IL O j \ _ Tee \� Inv(dlif) BOX 20' Utility EsmIt _/_ DB 3360 P.280 AX Existing Fire H}drant 1 1 �ND SIDEWALK ® P/L 1 \ \2ak o 1 RECONSTRUCT & - 1 CONNECT EX. CG -12 TO PROP. SIDEWALK & & CURB & GUTTER SEE CG -12, TYPE B Inv(ou 12 » -\ -A Sleeve PRC STA N +32. & Va1vC G TNT• SZ Tee G 0 (_ F Box Ex.. 10' Landscape and Sidlewalk Easement DB 3442 p.188 X X PluExist. ® Cross(Both ides) Remove Existing Gate Val s, Stub -outs, Bends & Plugs C 0 U,R S E UMITS OF VAA Tee -' OBOX ® Var. Width 9 5' Conc. Flume F T 00 Y =I ! DITCH DEPTH =15" G.- e FULL DEPTH EC -2 UNING L HIGH POINT TO STR #7 Edae. 5' Conc. (Flume X X r Z O% INTERSECTION 0 r � O STA. 16 +66.62 W 2 STA. 11 +55.17 GOL VIEW � . 0 0Q. =STA. 0±00 PRIVA �RIVE ROAD �eZ Ln 1 0 DELTA= 03'49'11" cyl CD =N 21'49'23" E Cc W C3' cc cc @ 2 OU wo Q T= 144.85 Z 00 UQ COD R= 1500.00' Q \ X O N L= 288.81' Z � o Proposed F.H. CHD= 288.37' U WdR-1 Assembly & a JJ _ 8x6 Tee ••- •' F T 00 Y =I ! DITCH DEPTH =15" G.- e FULL DEPTH EC -2 UNING L HIGH POINT TO STR #7 Edae. 5' Conc. (Flume Ua Z O% V � O STA. 16 +66.62 5 8 "Water Meter (Typical) r' ew =2' DITCH DEPTH =12" T .s ,✓ FULL DEPTH EC -3A UNIN tt s +00-1NA= TE S10 RM S� Fa CONVEYANCE oX, I EXISTING •. ( .,�.... To WET X TF APPROXIMATE POND EDGE OF WATER F r w y �� ` •..� `� W5E•672.10 3 of 7rempporary 20' Drainage Esmt O (Autimotlodly exp�es w/ Construction of Storm Sewer Yo--- o o o .... �....., , CD 0 5' Conc. Flume O 20' Drainage Esmt / b Future Lot Lot Future Lo � :g Variable Width / TERSEC11ON cn Temporary TurnAround Esmt. t� / VIEW DRIVE I V (Easement Shall Revert to `� 0 3TA. 17 +81 I + Adjacent Lot Owners O „ „ l o Upon Extension of R/I / » g xg Tee 1 W )8 Gate Valves 5 ® 8 Gate Valve 20 Drainage Esmt / 2 » B.O. Assembly (Portions To be V�ooated _ ... _ .._ W 0P� „ 8x8 Tee x f, •ra...,•. -.., - 45. 4 , w u ure J/ T Gate Valve :;, ;;, rs °,. °'n° La1�Cr0I 1 8 ,t s,i'.?, ;:a1w- M :: :..N ... : : M :.. M N. ... p o O ofi�Lw�� 292 20'• DITCH DEPTH -24" N ' 7'20 0' ' E' P TA 17 54 35 .u. C VMT. S + Z O " .W '.'.'... End Public;R': :GOLF• . �fl li�,d Road 3 ,....... .............. • • N rt... •, •. •• •, , , • , , , °� 2 d ��� FULL DEPTH EC-2 LINING cc:3 Pavement .,.,., •;tu, • mow. ;,.,,.�.l. ,. V .n :'s.'+q' :'V`a:;.iF .'t. °.8r,'i=':i.;.. - .:.�� s: •s,_s:}, <,. ...tir. .c•.,.. Sidewak..,, s.. _ _ �`a PV .. '- -�--_ STR 1 SED. TRAP 1 �R- :27'( : ;r =:;.; •:,1..,. ..�� �- N "48 r� _r ~'-� S/L Liddn de 1 -21 _ '�'�`- __ _ -- �6 16 ....... s;Y Ex. 2 ' San. Sewer Esmt In 1n�682.8 �5 € �Z Ft111/rR -1L� d� Existing �- - Lickin de 1 -18 S' ew °� 20 Sewer Esmt DB 2 46 P.430 - ; . ,,z,,. Ex Inv0ut�68278 k v�(ln 679.18 DB San, Sewer Esmt -- �� Tam 8.46 :;• CG -128 E DB 2946 P.430 Future Ot ") �� 2946 P.430 Lkkin de 1 -�� �� In In�671.78 �.. I 36' FL:- F ' In Out 679.10 T Ot � Inv(Out 671.63 2a R"1 r r.. \ K e t -23 8" Plug t4P OT O O O O 20 Drainage Esmt In In j�6T1.02 Llckin�h�l L -iI -t Future Lot :..: Inv Q+677.02 ox�stn9 ExT 697.77 TRANS. CG -6 END PVM'T "'� --1 Variable Width In Outj�676.87 s cn 1 0 +41.97 iN Lin In In 689.92 TO ROLL -TOP 1 ? `, o� Temporary TurnAround Esmt. Dg Qn. Se FZ In In 6M.98 �,1 ao 1 asement Shall Revert to \ 2946 p 430 Fs'nt IN RETURN cn p in m/ww,., in Outti89.68 Esmt y y} _ Extension \ \ Inv�0ut�69Q 2s +0 Var. W tin Drainage m Ex 696,E pon t Lot Owners PROPOSED 5' SIDEWALK N I In In 688.10 8 "x6" Tee 160 0 o pon of R /W) IBEGIN 0 21 +42 F.H. Assembly 1 ° - GOLF DRIVE N Inv�OutJ�688.00 " ; 11 Exist. Clearin Limits �� 1 tll Variable Width 8 Gate Valve & i Temporary TurnAround Esmt. 8" PLUG 1 1 I Ex. Dr Inlet _ 111 o a = i 1 Easement Shall Revert to II 1h� Adjacent Lot Owners 1 In In 69x53 ° a a N N In In687.46 Upon Extension of R /W) i 1 In Out�687.34 II v 1<, Afli 1 m� 1 I , cu a w° MS r I� a ; Exist. No Pairing Sign \ 3 Cn m re Development 00 r y PROPOSED 5' SIDEWALK BEGIN STATION 21 +42 20' Utility Easement OB 3442 p.188 -193 / s CG -12 Handicap (Ramp- Type IN GE EFROD� �oF I 1.0% (MIIN.) G�E�510� I P S�Oe Pl��l / 4' (MIN.) 4' MIN I// eta a a aaaaRa�gy a¢�g� °4 a a o0o a z as r 9: ¢ ° b ° a ° $ !ice � k4 � ¢r¢ l +�s��.s• a u a q a a�4,� a o q a, ° .tom � a 4' MIN. Y, " UP MAX. * AREA OF COLORED SURFACE TYP J O O O 2.35" TRUNCATED DOMES AT *2.35° pop TYP 0'2 WALKWAY TO ROADWAY TYP o Io 0 9.. -J RAMP -I-t�- 2.35° TYP* TRUNCATED DOMES TRUNCATED DOMES (Plan View) (Profile) *DIMENSIONS ARE CENTER TO CENTER Notes: 1. THE MAXIMUM ALLOWABLE SIDEWALK AND CURB RIAMP CROSS SLOPES SHALL BE 2% (1% MIN.). 2. THE MAXIMUM ALLOWABLE SLOPE OF ACCESSIBLE IROUTE EXCLUDING CURB RAMPS SHALL BE 570. 3. THE MAXIMUM ALLOWABLE SLOPE OF ACCESSIBLE (ROUTE CURB RAMPS SHALL BE 8.07. 4. A MINIMUM OF 3 FEET CLEAR SHALL BE MAINTAINED AT ANY PERMANENT OBSTACLE IN ACCESSIBLE ROUTE (I.E., HYDRANTS, UTILITY POLE'S, TREE WELLS, SIGNS, ETC.). 5. CURB TREATMENT VARIES, SEE PLANS FOR CURB TYPE. 6. RAMP, CURB, AND ADJACENT PAVEMENTS SHALL BE GRADED TO PREVENT PONDING. 7. TYPICAL SIDEWALK SECTION FOR RAMP SECTION CONSTRUCTION. 8. WHERE ACCESSIBLE ROUTES ARE LESS THAN 5' IN WIDTH (EXCLUDING CURBING) A 5' x 5' PASSING AREA SHALL BE PROVIDED AT INTERVALS NOT TO EXCEED 200 FEET. 9. ELIMINATE CURBING AT RAMP (OTHER THAN VERTICAL CURBING, WHICH SHALL BE SET FLUSH) WHERE IT ABUTS ROADWAY. 10. DETECTABLE WARNINGS SHALL CONTRAST VISUALLY WITH ADJOINING SURFACES. CG -12 Handicap Ramp- Type V NTS TRUNCATED DOMES AT ALL CURB AND TRANSITION RAMPS q �. , R v a GHQ a¢vaa4 va � eX�P� }��Q,�S}1`�''Q, �•�`1S� Y ' Q�aQ °\\nn ffTTp pp 9- i�3�'i vR,�4vuBpR S" °u � a ¢ opt R a o 1 SEE NOTE 9. 3, Y" UP MAX. AREA OF COLORED SURFACE 3 '* TYP 1 O O 0-7 2.35 "* * 2 TYSP O O O TYP 0.2" II IO I-- 0.9', - -1 2.35° TYP* TRUNCATED DOMES TRUNCATED [DOMES (Plan View) (Profile,) *DIMENSIONS ARE CENTER TO CENTER Notes: 1. THE MAXIMUM ALLOWABLE SIDEWALK AND CURB RAMP CROSS SLOPES SHALL BE 2% (11% MIN.). 2. THE MAXIMUM ALLOWABLE SLOPE OF ACCESSIBLE ROUTE EXCLUDING CURB RAMPS SHAILL BE 5% 3. THE MAXIMUM ALLOWABLE SLOPE OF ACCESSIBLE ROUTE CURB RAMPS SHALL BE 8.07.. 4. A MINIMUM OF 3 FEET CLEAR SHALL BE MAINTAINED AT ANY PERMANENT OBSTACLE IN4 ACCESSIBLE ROUTE (I.E., HYDRANTS, UTILITY POLES, TREE WELLS, SIGNS, ETC.). 5. CURB TREATMENT VARIES, SEE PLANS FOR CURB TYPE. 6. RAMP, CURB, AND ADJACENT PAVEMENTS SHALL BE GRADED TO PREVENT PONDING. 7. TYPICAL SIDEWALK SECTION FOR RAMP SECTION CONSTRUCTION. 8. WHERE ACCESSIBLE ROUTES ARE LESS THAN 5' IN WIDTH (EXCLUDING CURBING) A 5' X 5' PASSING AREA SHALL BE PROVIDED AT INTERVALS NOT TO EXCEED 200 FEET. 9. ELIMINATE CURBING AT RAMP WHERE IT ABUTS ROADWAY, EXCEPT WHERE VERTICAL CURBING IS INDICATED ON THE DRAWINGS TO BE INSTALLED AND SET FLUSH. 10. DETECTABLE WARNINGS SHALL CONTRAST VISUALLY WITH ADJOINING SURFACES. NOTES: TH OF o O �� Christop" her C. M igan Lic. No. 031672 �<v� S- Zi -13 G IT40NAL EN PER A.C.S.A , ALL DUCTILE IRON PIPES IN THE CROZET AREA ARE TO BE WRAPPED WITH POLYETHYLENE ENCASEMENT OR SOILS MUST BE TESTED TO DETERMINE THE NEED. MAINTAIN A MINIMUM OF V OF COVER OVER WATERLINE. ALL FILL AREAS ARE TO BE PLACED AT 95% COMPACTION. MAINTAIN V MINIMUM VERTICAL SEPARATION BETWEEN STORM AND WATERLINE. MAINTAIN 1.5' MINIMUM VERTICAL SEPARATION BETWEEN SANITARY SEWER AND WATERLINE. STANDARD CD-1 AND CD-2 UNDERDRAINS ARE TO BE PROVIDED AS SHOWN HEREON OR AS FIELD CONDITIONS DICTATE. ALL ROADWAY EMBANKMENT MATERIAL SHALL CONSIST PREDOMINATELY OF SOIL AND BE PLACED IN SUCCESSIVE UNIFORM LAYERS NOT MORE THAN 8 INCHES IN THICKNESS BEFORE COMPACTION OVER THE ENTIRE ROADBED AREA IN ACCORDANCE WITH VDOT 2007 ROAD AND BRIDGE SPECIFICATION 303.04. INTERSECTION SIGHT DISTANCE LINES ARE SHOWN USING A 3.5' HEIGHT OF EYE AND A 3.5' HEIGHT OF OBJECT. ALL ROAD INTERSECTIONS SHALL HAVE A ROAD PROFILE IN ACCORDANCE WITH THE V.D.O.T. CG-11 DETAILS. * ANY LOTS WITH THE POTENTIAL FOR AN IRRIGATION SYSTEM SHALL HAVE DOUBLE TAPS INSTALLED OR A TEE & BALL VALVE INSTALLED OUTSIDE OF THE ROADWAY OLD TML- 8053\BL0CK 3518UB.DWG -,-I.A I REVISIONS MAY 21, 2013 PER COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1"= 50'HORZ CONTOUR INTERVAL 2 FOOT Ua Z � � O W 2 ''^^ W U o 5 N �- �eZ Q U D Cc W C3' cc cc @ 2 OU wo Q Z 00 UQ w< r Q \ O' gU Z Z � 0 �Q U )V \ a JJ _ 0 �i tq U- Z 0 L w o LL 0> HQ L W CL Z :5; � J w Z 0 W a REVISIONS MAY 21, 2013 PER COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1"= 50'HORZ CONTOUR INTERVAL 2 FOOT FILE NUMBER 8053 SHEET 3 OF 13 LO (f) Z 06 Z Qg 0. N �- �eZ UO - Z Z WI gU Z Z � J - O Q W )V a JJ _ Q z 0 LL >7 J FILE NUMBER 8053 SHEET 3 OF 13 7ill 1 � 1 r f '' ',...,.. ., J .._ / / , ✓' r i J r ,�'3 i � i '\ r 1 ' 110"" BW =2' j/ \ 1 t �,.•.. _..._ \ i DITCH DEPTH =12" p \ FULL DEPTH EC -3A LINING O'r 1 I 0 / ' ' ✓ i ( 1 } 9 +00 EDGE OFFWWATE f 1 \ - » - i / r �/' rte' I ; ; �" 6 \ w_ I I s 9�oc� CONVEYANCE EXI S TI N G O WETr p7r/ ITCH DEPTH =15" _ r ^ " r �k� �09T A'PIZOXIMATE POND / 1 C U \ s., 61 d� ;, _.. » , ... \ X�� EDGE OF WATER Tee 1 ,/ �' f /.. Box i ! FULL DEPTH HIGH POINT TO 0 STFtN7G _..C.1,._�..S r ..,,,r f 1 K " ' \ I DRAIN11M _ Ex. 10' Lands�pel nd € \ ' 50 CUBIC YARDS f � , ~ ,q *, � CLASS I RIP RAP " °•�...,, w.. '`"� a f ,� /� ,1 j � ° �,. `S� W� UNDERLYING \ Sidlewalk- Eas` "ement Tee \ FILTER FABRIC B 3-442 p.188 _fix BOX _ `/' I w _ 1 � ,� '~•W DEPTH - 36" t Tem ovary, D g \ ^� 15x30' APRON) X l Var. lNidth Drainage E t' 2i D re a Esmt • pp Tee \ \ m(0u .696. '/ / O I(AutNllaticdly expires w/ Construction of Storm Sewer f' - Box - °-/ - �B�Jtilitysmt ". \� 5' Conc. e r r _ . CD \ , - ° � ° ---- o . . =- CD H.P. OB .. -' y - \ .MATCH.., p _ x._ XIS X _. - 5 -Conc. Flume w _ I _ ...._ X x r- H.P. ..,� -�' w ..». in E t 1 w:� a x 20' Dr a w e sm 14 CUBIC YARDS ry IN ILK 0» ✓' Future Lot - r. r ..- CLASS I RIP RAP _.. _.. - " x ST 5. 7 L IEW �RIVEI p 0 0 ».. ��� yy /_ UNDERLYING BIO- RETENTION AREA 6 j �. =STA. 0 +00 PRI ROAD~ _. F LTER FABRIC r _ \ ND SIDEWALK ®P /� � � t _ _._._ __ .. r' DELTA= 03'49't1" cs 0. Future Lot ; 0J DEPTH 24" .__._.. _.._.._. ._._.._�. (12'x16 APRON) .� - - `� ,w , CiONVERSI� PLANTING �, I r•.. O r o I - Variable t�dth Q CD•�N 2149 23 � E � i 128k = ST 6 62 G t to t 7 INTERSEC N Temporary TurnAround Esm ` 1.. �,, �,,,�' . i , T i44 85 �.� _ 9 A. 1 +6 . GOT VI IVE D ( Easement Shall Revert �- ` R= 1'500.00' ! - 17 +81 0.00 :4 Adjacent Lot Owners �( °�'• a L =288 $ +o Upon Extension of R /W) t� ° a C 288.37' 9g g9Z w i _. .... RECONSTRUCT & s MAT N "� ' ca wO CONNECT EX. CC-12 & EXIS 6 4 20 Drainage »Esmt .. \ / ! TO PROP. SIDEWALK ` I T l (Portions TO e;t ;# z.�•. -y .x.:•x >� •• o. D, be VIUCated' W�I/tUre R/ n) CURB & GUTTER t •,s r a,. ; ,. •x: ;t• .e- ;�•-, r•;.a. x. / j & <'� °` x • r.: •s`•�s.< 5 Si alk::'.% } • -t, .g. .} ..r � _r L j f SEE CG -12, TYPE B \ P��. 6"( Se 8 g. ,�.,, x. T• I i �✓' Lat al \�Jr� Y•t ; °;f'e.:x`�. ,',.,• '3 O O OiIK�J r - _• �_=� ee �: '- DITCH DEP =24" F o �,• _., f ...: N:' T20 20, :E': :292.20 H TH N C PVMT. STA 17 +54.35 L Ell '1 � '�._ w.•+•""s� "���/ ,.`•� �v ... ,�.,w,.,xi,�.;d.w,f. �......r�..os„na�• __ �_,�.,�.n,�..�.,..�.,,� : »,mow a r;,,r�.,. _�.�.�.,.,.. :�o • N ... gat.'esr t: zi;':...ctt5 .,�•.a, ia., \ •y Y }�' . /'':! ;3i.;i :,E•gi� dp . _. _ STR #1 - "S.'.e6 • 5 rP i 26 / /I 1 0.8 r.....' c -�2 , r ,: Ex. 8 S�L t Ole i ` ;a / 8 - _` 0� ..., .. •a•.<,.. .�-. r.. :....,..,,ti_ W SED TRAP #1 1 N J ,, ---T- --j - r:• - I INN C 00 lb is t ` S f t Ex. 2 San. wer Esmt '�` �$ Lkking�de 1 -20 Exis -- E i 10 00. :: i ! INT• STS Viewer Esmt DB 2 46 0 In In) =6828 �:y 12 op =6M. LTidtin i� l -18 67 ,Sidewal •r K I Ex. 20 San. Inv 0ut�682 t 4 W er t - \ - T 22 9 ! _ 1 CG-126 _ _, .. � Inv(1n)=679.18 DB San' Sewer Esm � z � DB 2946 P.430 FutlJr9 O InvOu =679.10 29 6 P Udcin de 1�J1 �� In In)- 671.78 . I - r T =683.01 �\ �� 20 Drainage Esmt Top =6W.01 In0utN671.63 r ole 1 -23 LOt 1 �, _� Future Lot ,� oo g In In) =sn.oz \ cwt , _. +32.1 �' '--1 � rw In Out = X76.87 � �� � FXSti� PRC STA 26 4 MAT 697.77 ) t �� �\ 20 9 `' :too ' �' Tem ors y Width Esmt. moo\ ��" 2�n' Sew t EX f., In - 689.92 n I N P ry 46 er _ ,. In In 69053 inj 9 ; ; asement Shall Revert to i ¢3p FS�v - / �- djacent Lot Owners ' In In�690.�5 1 Outs .68 � . - _. \ _.In Out�690.32 26 +o Var. tt► Drolnage Esmt ! m Ex. 69¢.34 \ � . ...._�. �..___. ,�" po Extension R /W) Via, I µ✓W.. it PR POSED SIDEWALK N1 ; In in -M&10 1 r t n E 'on of BEGIN DRivE2 102 In Out688.00 ° f i Exist. Cl earin ~ N Variable Width Limifs \ \ ao 1 Temporary TurnAround t. , f / ; �;° \ .._._ \ \ Ex. ;inlet I cn 1 ✓ \ I�i 11 `' (Easement Shall Revert to I &' + n A `' In I 690.53. II `•,,,, djacent Lot Owners �" ,✓� ,'' � .. ,"..." u..__ w\ � �,,. .� Upon Exten nsio of R�W) rte•.• t s t i Outki687.34 DATE �\ f ✓ �\ \ \ �, __ . APRIL 05 2 fy' 1 •y /p /"" (�, y ( \ 013 1. \ q \ w i1 I •.( l \ i � i �. i., ..,.... �/'' ... ,.� •" <. \ < r' - I Exist No o\ i \ �e e /' °``' SCALE 1s (?aric�9 -Sign.• `` 50' HOR7 \ J 4 i y 11 :"S 4 {j O O G /J # �,• fit\ qS /// / ` ,/ ' Future Development - M:- CONTOUR INTERVAL 2 FOOT �N�� ATC \ r \ j \ J \ XIS.. i l -ATC 3 It ISI. CIN PROPOSED 5' SIDEWALK BEGIN STATION 21 +42 ,% \ 20' Utility Easement DB 3442 p.188 -193 f' I ✓� \ �� M a \ \ w \ ,N, \ ; \ SCALE 1" = 50' SCALE IN FEET i N t L) �> Christopher C. Mull an Lic. No. 031672 �SS/ONAL ENG INLIET SCHEDULE STORM SEWER SCHEDULE L *TEMPORARY SAG CONDITIONS - FUTURE ROAD EXTENSION TO FINAL SAG LOCATIONS Ua PIPE# STIR ## L 4 (0 TOP LT. TOP RT. o H #3 8.0 U W Z W `0 N N N m #5 8.0 o N NQ 688.94 688.77 TYPE'B' 8.47 Q8) 2.5 Q. Q^ 08 UO 7.00 ocW;@ 2.5 1.43% VDOT DI -6A, REAR SLOT = 695.50 696.50 w o vs g OL Z Z J v1 698.25 cc o (0 co Zc #111 Q VQ �W 00 687.17 687.25 TYPE'B' 7.00 #134 8.0 17 +22.59 Q Q IN 4 00) N TYPE'B' W r �.> Q� 10 +50 VDOT DI -2A 697.50 WPE'B' 5.5 L (� (� �(� E Q 0 L VDOT 13I -313 697.50 Z w LO #19) IW(IN)= 679.50 � Z � 678.50 W 4• W and prior to State acceptance NOTE: ST -1 STEPS ARE REQUIRED ON ALL INLETS GREATER THAN �t 37 L.F. CLASS III Z 0.67% O O W 691.80 14 15 Ex. DI 73 L.F. CLASS III 15 "RCP 1.79% IW(IN)= 691.70 iw(Our)= i N t L) �> Christopher C. Mull an Lic. No. 031672 �SS/ONAL ENG INLIET SCHEDULE STORM SEWER SCHEDULE L *TEMPORARY SAG CONDITIONS - FUTURE ROAD EXTENSION TO FINAL SAG LOCATIONS PIPE# STIR ## L STATION DESCRIPTION TOP LT. TOP RT. NOSE H #3 8.0 17 +55 VDOT DI -213 687.30 687.17 TYPE'B' 7.67 #5 8.0 16 +75 VDOT 13I -213 688.94 688.77 TYPE'B' 8.47 #7 2.5 lw(OUr)= VDOT DI -6A, REAR SLOT = 691.00 692.00 TYPE'B' 7.00 #863 2.5 1.43% VDOT DI -6A, REAR SLOT = 695.50 696.50 TYPE'B' 7.50 #9 2.5 11 VDOT DI -6A, REAR SLOT = 697.25 698.25 TYPE'B' 4.25 #111 2.5 17 +55 VDOT DI -3A 687.17 687.25 TYPE'B' 7.00 #134 8.0 17 +22.59 VDOT DI -313 688.17 688.33 TYPE'B' 4.73 #15 2.5 10 +50 VDOT DI -2A 697.50 WPE'B' 5.5 #1T 8.0 10 +50 VDOT 13I -313 697.50 TYPE'S' 5.8 #19) IW(IN)= 679.50 48" MANHOLE W/ DI -7 678.50 TYPE'B' 5.5 and prior to State acceptance NOTE: ST -1 STEPS ARE REQUIRED ON ALL INLETS GREATER THAN 4' IN DEPTH. 37 L.F. CLASS III 15 "RCP FILE NUMBER 8053 SHEET 4 OF 13 t STORM SEWER SCHEDULE L z PIPE# FRO M. TO u. t .LO'E.,z , •' °t. ' 8A 9 813 212 L.F. CLASS III 18 "RCP 2.31% IW(IN)= 694.00 iw(OuT) 689.10 8C 813 7 170 L.F. CLASS III 18 "RCP 2.29% IW(IN)= 689.00 lw(OUr)= 685.10 6 7 5 133 L.F. CLASS III 24 "RCP 1.43% IW(IN)= 685.00 iw(oUT)= 683.10 12 13 11 115 L.F. CLASS III 24 "RCP 0.30% IW(IN)= 683.60 iw(oUT)= 683.25 10 11 3 37 L.F. CLASS III 24 "RCP 0.41% IW(IN)= 680.25 IW(OUT)= 680.10 4 5 3 80 L.F. CLASS III 24 "RCP 0.87% IW(IN)= 680.30 iw(oUT)= 679.60 2 3 1 300 L.F. CLASS III 30 "RCP 0.67% IW(IN)= 679.50 iw(our)= 677.50 Pipe #2 will require cleaning after the Sediment Trap is converted to the Bioretention Facility, and prior to State acceptance 16 17 15 37 L.F. CLASS III 15 "RCP 0.67% IW(IN)= 692.00 iw(Our)= 691.80 14 15 Ex. DI 73 L.F. CLASS III 15 "RCP 1.79% IW(IN)= 691.70 iw(Our)= 690.40 18 19 POND 64 L.F. CLASS III 24 "RCP 0.78% IW(IN)= 670.50 iw(oUT)= 670.00 FILE NUMBER 8053 SHEET 4 OF 13 t L z `'M) 0z Q g C. Cq a. W YZ 00 Z 0 JU Z� �.., > Z W ir 0 U V V ® W J g _ z 0 O LU m > a JJ Z �Z o J 0 FILE NUMBER 8053 SHEET 4 OF 13 t FF Tee �\BOX 20' Utility Esmt \ DB 3360 P.280— \ X � r ) 0 X Te e Box Ex. 10 Landscape and Sidewalk Easement DB 3442 p.188 X _� /— I F C p Ur R S E OMITS OF zMA- Tee��....... OBOX ® Var. Width 5' Conc. Flume n Xr-- r DITCH DEPTH =15" s, 61 FULL DEPTH EC -2 LINING , HIGH POINT TO STR#7 j 5' Conc. Flume r 0 S" � (Au 5' Conc. Flume 1 20' Drainage Esmt r BW =2' `� DITCH DEPTH =12" L DEPTH EC -3A UNIN 1 i r ; at00 - EDGE OF WATE STORM —WATER . ...." OONVEYANCE EXISTING .. r.� WET "r..._� i APPROXIMATE POND EDGE OF WATER �r t W5E667210 ... 0 PPgray 20' Drainage Eamt ti notkdiy expires w/ Construction of Storm Sewer �END SIDEWALK 0 P' �. • Future Lot Variable ldth �/,���jjj 'I • emporary • I 11 ('Easement Shall Revert I • . ent Lot Owners • UponcExtension of RIW) RECONSTRUCT & 0- 12A6 FA \I �1 _ dL RE .. - �► �I` - - `�`+�i3' IB�'11 1 I 1°1� ti�liffi►� iFa�lt°�liav�vu�m / GUTTER SEE CC- 1Z TYPE B - - - �►�, CU CC ���iP�t+! .,' =�IZ� =i• =�1_Z_ If =_ BIZ=%= ����I1 %)E�•� %Zi7l•��f` =SS_•r =�Il.�_ - 1 Ai aI I 1 ' 1 " I�o.d 1m11Q" Im. �' ��L� !W ;�1 low, Sw 0 M f I I • ". :, �'°'�.�a� a r. o' --...�, ....e.. .:�.a+Y.- ,�.na. �..�.�.�. m�. s,... Ym,..... ��,. . �.,...... �. o, n ,�,.".m•...v�,...s...w,r�...ww_ ...�..•......,aa me ��.. �r 6 NO i %IE X. • • • o I1� e� 20 , Drolnage Eamt / - 11 (Portions To be Vacated w/I^uture RA / -y 45' 2 SEE DETAIL FOR (D BIORETENTION AREA CONVERSION, PLANTIN65 # SPEGIFIOATION5 DITCH DEPTH =24" s., 61 �-- FULL DEPTH EC -2 LINING :e,Y.'r'i5 idew Ikst. {.s:•:t :v: %,`F s . a,.n ---�- - " STR�j1 SED. TRAPo1 I' Ex. s s P,et '��. / PA —�•-- 8-X14 ._ -- -_. CONVErM Ex. 2 ' San. Sewer Esmt �$ �'' Ex' is t- _ -DB 2 46 P.430 12 20 S g �- x" Future Ot an. Sewer Esm# DB 2 g46 p 430 \� 20' Drainage Esmt Future Lot -� `� Frst; Variable Width \ o O sofg Temporary Shall Revert to \� e 2 ¢3o Fsmt Va: Width Drainage Eamt djacent Lot Owners \ I PROPOSED 5 SIDEWALK Pon Extension of R /W) BEGIN ® 21 +42 1 1 GOLF DRIVE 1 Variable Width I t �� \\ valc9ll-, W I Temporary TurnAround Esmt. 1 REMOVE BURLAP FROM I Ex. Dr Inlet _ a E asement Shall Revert to TOP 1 /3 OF BALL in 690.53 II 1 Adjacent Lot Owners In In687.�6 II - r N a ° Upon Extension of R /W) f 1 In Out }=687.34 II z o ; o / - EARTH BERM 1 ; o rt a /AROUND BED CD -- Exist No 0 1 \ I e Parking Sign c Vr r t -9 a Future DevebWent Wfi / PA \ DE CID UO US TREE` ' PLANTING DE TAIL r � f I GALVANIZED s ,t GUY WIRE 1 2 "X2" HARDWOOD STAKES I � \� 120' GALVANIZED RUBBER HOSE GUY WIRE 2 "X2" HARDWOOD STAKES WRAPPING SHREDDED HARDWOOD MULCH MIN. 3" DEPTH �L REMOVE BURLAP FROM TOP 1/3 OF BALL ?EARTH BERM iAROUND TREE 1 l j PROPOSED 5' SIDEWALK f BEGIN STATION 21 +42 20' Utility Easement DB 3442 p.188 -193 j y \I 3 \ ` IN, SCALE 1" = 50' 50 25 0 50 100 SCALE IN FEET .D HARDWOOD 1LCH DEPTH) SHRUB PLANTING DETAIL STREET TREE REQUIREMENTS, NOTES & DETAILS STREET TREE CALCULATIONS - EXISTING GOLF DRIVE 650 LINEAR FEET OF ROAD FRONTAGE @ 1 TREE / 50 LINEAR FEET = 13.00 STREET TREES REQUIRED {4�AyTH of `r�P 13 STREET TREES PROVIDED ���, STREET TREE CALCULATIONS - GOLF VIEW DRIVE ' Christ her C. M lgan 1342 LINEAR FEET OF ROAD FRONTAGE @ 1 TREE / 50 LINEAR FEET = 26.84 STREET TREES REQUIRED Lic. No. jp 031672 �<v� 27 STREET TREES PROVIDED °X' S-zt -t �SS�ONAL LNG NOTES & MINIMUM STANDARDS * TREES SHOWN HEREON WERE SELECTED FROM ALBEMARLE COUNTY'S RECOMMENDED PLANT LIST. SUBSTITUTIONS MUST BE APPROVED BY THE ALBEMARLE COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT. * TIMING OF INSTALLATION. ALL LANDSCAPING SHALL BE INSTALLED BY THE FIRST PLANTING SEASON FOLLOWING THE ISSUANCE OF THE FIRST CERTIFICATE OF OCCUPANCY WITHIN THE DEVELOPMENT, OR PHASE THEREOF. * ALL TREES TO BE PLANTED SHALL MEET THE SPECIFICATIONS OF THE AMERICAN ASSOCIATION OF NURSERYMEN. PLANTING SHALL BE DONE IN ACCORDANCE WITH EITHER THE STANDARDIZED LANDSCAPE SPECIFICATIONS JOINTLY ADOPTED BY THE VIRGINIA NURSERYMEN'S ASSOCIAITION, THE VIRGINIA SOCIETY OF LANDSCAPE DESIGNERS OR THE VIRGINIA CHAPTER OF THE AMERICAN SOCIETY OF LANDSCAPE ARCHITECTS, OR THE ROAD AND BRIDGE SPECIFICATIONS OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION. * MAINTAINING AND REPLACING STREET TREES. ALL STREET TREES SHALL BE MAINTAINED IN A HEALTHY CONDITION BY THE HOMEOWNER'S ASSOCIATION AND REPLACED WHEN NECESSARY. REPLACEMENT MATERIAL SHALL COMPLY WITH THE APPROVED PLAN. * MAINTENANCE OF ALL TREES SHALL BE THE RESPONSIBILITY OF THE HOMEOWNER'S ASSOCIATION. * TREES SHALL BE 1.5" TO 1.75" MINIMUM CALIPER MEASURED 6" ABOVE GROUND LEVEL WHEN PLANTED. PLANT LIST QUANTITY SYMBOL BOTANICAL NAME COMMON NAME CALIPER HEIGHT @ PLANTING SPACING SPECS. � 0 U N y Z CL 00 z "W 9 FP Fraxinus Pennsylvanica GREEN ASH 1.5" MIN. 12' AS B & B' 15 PAS Platanus x acerifolia LONDON PLANETREE 1.5" MIN. 12' °� � Wo V B G B 16 OP Quercus Phellos WILLOW OAK 1.5" MIN. 12' SHOWN B B J REVISIONS MAY 21, 2013 PER COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1"= 50'HORZ CONTOUR INTERVAL 2 FOOT Q Ua � 0 U N y Z CL 00 z "W OP v F3 NCn W CC (L O Zo g z � JO w� > Q °� � Wo V Q Z Q. Z JZ ��• // V1 Q Z CC O(f� 5 J W� �Q O U Q ..OJ U W I J ? W of Q O Lo 0116 4 W CC CC z 00) grn Q �W 2 0 O W a. F1-1 REVISIONS MAY 21, 2013 PER COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1"= 50'HORZ CONTOUR INTERVAL 2 FOOT FILE NUMBER 8053 SHEET 5 OF 13 Q L 06 Z Qg z N y Z CL 00 z OP v F3 JV z> W CC (L O Q W g z � JO w� > Q JJ Z Q Z ■ U. o J O FILE NUMBER 8053 SHEET 5 OF 13 SEWER SERVICE LATERAL CONNECTION NOTES 1. WHERE A SEWER SERVICE LATERAL CONNECTS TO A MANHOLE AND NO INVERT ELEVATION FOR THE SERVICE LATERAL IS FINISHED INDICATED , THE TOP (CROWN) ELEVATION OF THE SERVICE GROUND Q LATERAL PIPE SHALL BE AT LEAST 0.2' HIGHER THAN THE TOP (CROWN) ELEVATION OF THE THE LOWEST PIPE CONNECTED 2' MIN TO THE MANHOLE. 2. SEWER LATERALS TAPPED INTO AN EXISTING SEWER MAIN SHALL BE CONNECTED USING A PIPE SADDLE AS MANUFACTURED BY 'SEALTITE ",OR AN APPROVED EQUAL. 3. MINIMUM GRADE FOR SEWER SERVICE CONNECTION SHALL SALT BE 2% (1/4-PER FOOT) TREATED 4. ALL SEWER LATERALS SHALL HAVE A MINIMUM 2 x 4 DIAMETER OF 4 ". MARKER 5. ALL SEWER LATERALS SHALL HAVE A MINIMUM COVER OF 3 FEET. MAIN LINE PLUG END OF - SERVICE LATERAL SECTION 45'0'0" IN LINE WYE -TEE PLAN VARIES SEWER SERVICE LATERAL CONNECTION FIG. S -2 N.T.S. TD -6 R I- w J z 3000 PSI CONC. BASE'. BENCH SLOPED TO FLOW CHANNEL 1 /4" 1' MIN 4 U4 BRANCH 12" 20 NOTE: FLEXIBLE CONNECTION ALL CONNECTIONS TO WITH STAINLESS STEEL EXISTING MANHOLES SHALL BAND BE CORED AND A FLEXIBLE w CONNECTION " BOOT " � INSTALLED O TYPICAL MANHOLE PLAN SHOWING BRANCH TIE - IN NTS FIG. S -I -B TD -2 o C z i co WATER 2500 P.S.I. PLACE 5' GALV. " WITNESS " POST PAINTED BLUE TO INDICATE VALVE LOCATION AS DIRECTED. MARKER LOCATION MAY BE SUBJECT TO HIGHWAY DEPARTMENT APPROVAL. FINISHED GRADE -, ADJUSTABLE VALVE BOX W/ LID BINGHAM & TAYLOR FIG. NO. 4905 (SCREW TYPE) OR APPROVED EQUAL M.J. GATE VALVE LINE CONCRETE` 2'x 2' BEARINGAREA. THRUST BLOCK 7 v a NOTE : IN REMOTE AREAS, VALVE BOXES SHALL EXTEND SIX (6) INCHES ABOVE GRADE. TYPICAL GATE VALVE NTS FIG. W -5 i" COMPRESSION x 3/4' MALE PIPE COUPLING OR APPROVED EQUAL DUAL SERVICE 1" COMPRESSION x 314" MALE PIPE COUPLING OR APPROVED EQUAL I- TYPE SINGLE SERVICE NOTE: 1) SADDLES SHALL BE USED ON PVC PIPE. FINISHED GRADE k.,._ TIC:.; li llr . I it kkr- ,i: LOCKWING 1/4 BEND COUPLING (IF REQUIRED) BALL -j MUELLER NO. H- 15069 (1 ") VALVE 31` NO. H -15068 Q 1/2, 2 ") (INLET de FORD NO. L02 -44 (1) OUTLET) 11' NO. L02 -86 (l 1/2 ") NO. L02 -77 2') 36" MIN. OR APPROVED EQUAL FOR USE ON ATTACHED SINGLE FAMILY RESIDENTIAL SERVICES OR DUAL AND IRRIGATION FOR USE ON DETACHED SINGLE FAMILY RESIDENTIAL SERVICE WHERE AN IRRIGATION METER IS NOT PROVIDED. IRON LID BROOKS 2200 SERIES BOX WITH EXTENSION OR APPROVED EQUAL IN UNPAVED AREAS PLLAO ON SS'TONE) McDONALD 20-209 WWDD 33 OR APPROVED EQUAL 4' STONE BRICK AS CORPORATION STOP (1 ", 1 1/2", 2') BEDDING NECESSARY MUELLER NO. H -15000 FORD NO. F -600, OR APPROVED EQUAL TYPICAL SERVICE LATERAL INSTALLATION NTS FIG. W -6 ADDED FEB. 16, 2006 I4 FnR Al I RFNn.q >� � BEND DIMENSIONS I v THREADED COUPLING m 0­1 OF (FEET) VARIES (FEET) PVC NIPPLE AND CAP �1% � ✓ BEND 3" 45' max ,- 45' or SIZE BRANCH AND VARIES VALVE BOX PVC SLEEVE c T BRASS NIPPLE AND CAP VALVE THE SAME AS 2.50 3.01 0.24 12' LUBRICATE ALL THREADS WATER MAIN 6" 4" & 6" i J 2.25 2.00 2 0.15 0.10 THRUST BLOCK 'o 2.50 0.15 - PUG 1.50 2.00 2.50 METER BOX (SEE FIG. W -7) 0 VARIES VALVE BOX 1 � N0. 57 STONE ............... . Cr. 1 FOR TEE OR WYE FITTINGS 12 12 - WIDEN TRENCH TO M.J. FITTING., 702" 2.66 2.66 ,� f/7 ; ANCHOR IF 00 0rn 24 2" PIPE SLOPED 2 45 BEDDING AS 700 I MIN y ; TO DRAIN IF 3.16 REQUIRED CURVE LEN _ OMOO LV. GRADE ALLOWS WATER MAIN ROD VALVE '' VARIES VARIES BRASS PIPER o TO TEE# x k; K =36:38 E a35 4.83 3.83 3.42 0.83 PLUG 2" THREADED TAP ON -LINE 10" & 12" DEAD END 3.33 3.58 2.95 (TYPE "B ") = (TYPE "A ") 2.83 0.52 TYPICAL BLOW -OFF ASSEMBLY 2.58 2.86 0.24 NTS 11 1/4 1 1.83 FIG. W -8 2.84 0.18 TD -26 o C z i co WATER 2500 P.S.I. PLACE 5' GALV. " WITNESS " POST PAINTED BLUE TO INDICATE VALVE LOCATION AS DIRECTED. MARKER LOCATION MAY BE SUBJECT TO HIGHWAY DEPARTMENT APPROVAL. FINISHED GRADE -, ADJUSTABLE VALVE BOX W/ LID BINGHAM & TAYLOR FIG. NO. 4905 (SCREW TYPE) OR APPROVED EQUAL M.J. GATE VALVE LINE CONCRETE` 2'x 2' BEARINGAREA. THRUST BLOCK 7 v a NOTE : IN REMOTE AREAS, VALVE BOXES SHALL EXTEND SIX (6) INCHES ABOVE GRADE. TYPICAL GATE VALVE NTS FIG. W -5 i" COMPRESSION x 3/4' MALE PIPE COUPLING OR APPROVED EQUAL DUAL SERVICE 1" COMPRESSION x 314" MALE PIPE COUPLING OR APPROVED EQUAL I- TYPE SINGLE SERVICE NOTE: 1) SADDLES SHALL BE USED ON PVC PIPE. FINISHED GRADE k.,._ TIC:.; li llr . I it kkr- ,i: LOCKWING 1/4 BEND COUPLING (IF REQUIRED) BALL -j MUELLER NO. H- 15069 (1 ") VALVE 31` NO. H -15068 Q 1/2, 2 ") (INLET de FORD NO. L02 -44 (1) OUTLET) 11' NO. L02 -86 (l 1/2 ") NO. L02 -77 2') 36" MIN. OR APPROVED EQUAL FOR USE ON ATTACHED SINGLE FAMILY RESIDENTIAL SERVICES OR DUAL AND IRRIGATION FOR USE ON DETACHED SINGLE FAMILY RESIDENTIAL SERVICE WHERE AN IRRIGATION METER IS NOT PROVIDED. IRON LID BROOKS 2200 SERIES BOX WITH EXTENSION OR APPROVED EQUAL IN UNPAVED AREAS PLLAO ON SS'TONE) McDONALD 20-209 WWDD 33 OR APPROVED EQUAL 4' STONE BRICK AS CORPORATION STOP (1 ", 1 1/2", 2') BEDDING NECESSARY MUELLER NO. H -15000 FORD NO. F -600, OR APPROVED EQUAL TYPICAL SERVICE LATERAL INSTALLATION NTS FIG. W -6 ADDED FEB. 16, 2006 I4 FnR Al I RFNn.q >� � BEND DIMENSIONS I v .�� ,, m 0­1 OF (FEET) CU.YD. (FEET) 705 �1% � ✓ BEND 3" 45' max ,- 45' PLUG T MIN H T T 90 SECTION 2 -2 NOTE: HYDRANT MUST BE KENNEDY GUARDIAN (K -81A) EQUIPPED WITH CHARLOTTES - CLOW MEDALLION VILLE THREADS WHICH IS MODEL 129 THE LOCAL STANDARD. ,M8,H OR APPROVED EQUAL LENGTH OF BRANCH VARIES 6' MIN 2' TO 10' (270') ,f VALVE 7 CU. FT. PI 18" BOX #68 STONE -� 36 MIN i' ° 1` 'Y 6" GATE ,X' F� VALVE 2500 P.S.I. CONCRETE ^r� BASE AND THRUST BLOCK AGAINST 8 " X 6 " UNDISTURBED STABLE SOIL. TEE Ll STEEL PILE Li WHEN THE SOIL IS DISTURBED OR WHEN 3/4" THREADED RODS TO A HYDRANT IS LOCATED IN A FILL, ANCHOR MAIN IN ALL INSTALLATIONS. THE VALVE TO THE HYDRANT WITH 2 -3/4" RODS SHALL BE GALVANIZED THREADED RODS IN ADDITION TO POURING OR ASPHALT COATED CONCRETE. IF NECESSARY, A STEEL PILE SHALL BE USED AS ADDITIONAL SUPPORT NOTE 1. SURROUND WEEP HOLES WITH GRAVEL AND KEEP FREE OF CONCRETE. 2. MAINTAIN A 3' MIN. COVER FROM THE MAIN TO THE FIRE HYDRANT ( INCLUDING DITCHES ) 3. FINISHED GRADE SHALL SLOPE AWAY FROM THE FIRE HYDRANT AND VALVE BOX. 4. THE GATE VALVE IS ALLOWED IN SHOULDER OR BEHIND THE DITCH. IT IS NOT ALLOWED IN THE DITCH. 5. FIRE HYDRANTS SHALL BE INSTALLED AT LOCATIONS WHERE WEEP HOLES ARE ABOVE THE PREVAILING GROUNDWATER ELEVATION. ' IF REQUIRED TO BE IN WET AREAS, THE WEEP HOLES SHALL BE PLUGGED AND THE HYDRANT SHALL BE PUMPED DRY. TYPICAL FIRE HYDRANT ASSEMBLY. DETAIL FIG. W -4 N.T.S. TD -18 TD -19 TD-7 705 DEGREE BEND DIMENSIONS VOL. max .�� ,, SIZE OF (FEET) CU.YD. (FEET) 705 �1% � ✓ BEND 3" 45' max L PLUG T r H T 3" 90 2.50 2.50 3.01 0.24 12' II -j M 6" 4" & 6" � J 2.25 2.00 2 0.15 0.10 2.00 2.25 2.50 0.15 <7/7771 °af m 1.50 2.00 2.50 1 0 Q Z(D 8" 21 -A � 90 ............... . Cr. 1 FOR TEE OR WYE FITTINGS 12 12 - WIDEN TRENCH TO `� . 7 ACCOMMODATE 2.66 2.66 ,� f/7 ; ANCHOR IF 00 0rn 24 REQUIRED. 2 45 BEDDING AS 700 I MIN y ; 0.13 3.16 REQUIRED CURVE LEN _ OMOO lid 1.66 SECTION 2 -2 NOTE: HYDRANT MUST BE KENNEDY GUARDIAN (K -81A) EQUIPPED WITH CHARLOTTES - CLOW MEDALLION VILLE THREADS WHICH IS MODEL 129 THE LOCAL STANDARD. ,M8,H OR APPROVED EQUAL LENGTH OF BRANCH VARIES 6' MIN 2' TO 10' (270') ,f VALVE 7 CU. FT. PI 18" BOX #68 STONE -� 36 MIN i' ° 1` 'Y 6" GATE ,X' F� VALVE 2500 P.S.I. CONCRETE ^r� BASE AND THRUST BLOCK AGAINST 8 " X 6 " UNDISTURBED STABLE SOIL. TEE Ll STEEL PILE Li WHEN THE SOIL IS DISTURBED OR WHEN 3/4" THREADED RODS TO A HYDRANT IS LOCATED IN A FILL, ANCHOR MAIN IN ALL INSTALLATIONS. THE VALVE TO THE HYDRANT WITH 2 -3/4" RODS SHALL BE GALVANIZED THREADED RODS IN ADDITION TO POURING OR ASPHALT COATED CONCRETE. IF NECESSARY, A STEEL PILE SHALL BE USED AS ADDITIONAL SUPPORT NOTE 1. SURROUND WEEP HOLES WITH GRAVEL AND KEEP FREE OF CONCRETE. 2. MAINTAIN A 3' MIN. COVER FROM THE MAIN TO THE FIRE HYDRANT ( INCLUDING DITCHES ) 3. FINISHED GRADE SHALL SLOPE AWAY FROM THE FIRE HYDRANT AND VALVE BOX. 4. THE GATE VALVE IS ALLOWED IN SHOULDER OR BEHIND THE DITCH. IT IS NOT ALLOWED IN THE DITCH. 5. FIRE HYDRANTS SHALL BE INSTALLED AT LOCATIONS WHERE WEEP HOLES ARE ABOVE THE PREVAILING GROUNDWATER ELEVATION. ' IF REQUIRED TO BE IN WET AREAS, THE WEEP HOLES SHALL BE PLUGGED AND THE HYDRANT SHALL BE PUMPED DRY. TYPICAL FIRE HYDRANT ASSEMBLY. DETAIL FIG. W -4 N.T.S. TD -18 TD -19 TD-7 705 DEGREE BEND DIMENSIONS VOL. TEE AND PLUGS .�� ,, SIZE OF (FEET) CU.YD. (FEET) 705 16' BEND 3" 6" L H T L H T 3" 90 2.50 2.50 3.01 0.24 12' II -j M 6" 4" & 6" 45 22 1/2 2.00 1.50 2.25 2.00 2.60 2.52 0.15 0.10 2.00 2.25 2.50 0.15 �W O m 1.50 2.00 2.50 0.10 0 Q Z(D 8" 21 -A � 90 VSSTA =7 Cr. 1 0000 0.48 12 12 2 1 LL Z 8. 700 2.66 2.66 2.77 d = �% 00 0rn 24 \FACE 2 22 1/2 1.66 700 2.69 0.13 3.16 2.91 CURVE LEN _ OMOO lid 1.66 2.16 2.67 0.13 CURB o K =36:38 E a35 4.83 3.83 3.42 0.83 10" & 12" 45 3.33 3.58 2.95 0.43 = 4.00 2.83 0.52 22 1 /2 2.58 2.86 0.24 11 1/4 1 1.83 2.33 2.84 0.18 d FUTURE DEV LOPM NT--­l­- d N 695 st d 695 cD V W N N d 690 25' RIGHT j EXIS ING GRADE 69O FIR HYDRANT 219% - 0.647, A SEMBLY 685 7` 24' R P 685 25' LEFT 12 8'x8' TEE 683.60 8' GATE VALVE EXIST. C/L GRADE 8' GA FE VALVE 12' MIN, 18' MIN. 8' PLUG 680 8'x6' EE 118XIPVC S/L 680 N a0 c�D M N M ccoo t�D 675 ca co � co co c c to cc w to � 675 5 +00 6 +00 7 +00 8 +00 GENERAL WATER & SEWER CONDITIONS February 06, 2013 1. WORK SHALL BE SUBJECT TV INSPECTION BY ALBEMARLE COUNTY SERVICE AUTHORITY (ASCA) INSPECTORS. THE CONTRACTOR WILL BE (RESPONSIBLE FOR NOTIFYING THE PROPER SERVICE AUTHORITY OFFICIALS AT THE START OF THE WORK. 2. THE LOCATION OF EXISTING UTILITIES 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 INITIATIVE LOCATE ALL UNDERGROUND LINES AND STRUCTURES AS NECESSARY. 3. ALL MATERIALS AND CONSTRUCTION SHALL COMPLY WITH THE CURRENT EDITION OF THE GENERAL WATER AND SEWER CONSTRUCTION SPECIFICATIONS AS ADOPTED BY THE ALBEMARLE COUNTY SERVICE AUTHORITY. 4. DATUM FOR ALL ELEVATIONS SHOWN IN NATIONAL GEODETIC SURVEY. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING "MISS UTILITY" (1- 800 - 552 - 7001). 6. ALL WATER AND SEWER PIPES SHALL HAVE A MINIMUM OF 3 FEET OF COVER MEASURED FROM THE TOP OF PIPE, OVER THE CENTERLINE OF PIPE. THIS INCLUDES ALL FIRE HYDRANT LINES, SERVICE LATERALS, AND WATER LINES, ETC. 7. ALL WATER AND SEWER APPURTENANCES ARE TO BE LOCATED OUTSIDE OF ROADSIDE DITCHES. 8. VALVES ON DEADEND LINES SHALL BE ROODED TO PROVIDE ADEQUATE RESTRAINT FOR THE VALVE DURING FUTURE EXTENSION OF THE LINE. 9. TREES ARE NOT PERMITTED IN THE ACSA EASEMENT. 10. THE CONTRACTOR SHALL BE RESPONSIBLE TO COMPLY WITH THE NO -LEAD REGULATION REGARDING BRASS FITTINGS, EFFECTIVE JANUARY 04, 2014 (SENATE BILL 3874, WHICH MODIFIES THE SAFE DRINKING WATER ACT). EXISTING PAVEMENT I PROPOSED PAVEMENT REMOVE EXISTING SA KUT THROUGH SURFACE COURSE 12" EXISTING SURFACE COURSE 2 "f PROPOSED SURFACE COURSE NTERMEOIiI TE ASPHAL , BENCHED PAVEMEN BASE A�SPHAL JOINT W %ASPH. TACK COAT °9oa AGGR; BASE o ooA tO •4cn • NOTE.- PROPOSED PAVEMENT MUST 77E IN WITH EXISTING PAVEMENT PA Y.EEWNT J01 VT DFTAIL PIPE DEGREE BEND DIMENSIONS VOL. TEE AND PLUGS VOL. SIZE OF (FEET) CU.YD. (FEET) CU.YD. 16' BEND 3" 6" L H T L H T 3" 90 2.50 2.50 3.01 0.24 12' 1 -1/2" 3" 6" 4" & 6" 45 22 1/2 2.00 1.50 2.25 2.00 2.60 2.52 0.15 0.10 2.00 2.25 2.50 0.15 �W O 11 1/4 1.50 2.00 2.50 0.10 0 Q Z(D 8" 21 -A � 90 3.66 3.16 3.21 0.48 12 12 2 1 LL Z 8. 45 2.66 2.66 2.77 0.26 WW 0rn 24 \FACE 2 22 1/2 1.66 2.16 2.69 0.13 3.16 2.91 2.66 0.32 11 1/4 1.66 2.16 2.67 0.13 CURB o 90 4.83 3.83 3.42 0.83 10" & 12" 45 3.33 3.58 2.95 0.43 3.83 4.00 2.83 0.52 22 1 /2 2.58 2.86 0.24 11 1/4 1 1.83 2.33 2.84 0.18 1. THRUST BLOCKS ARE REQUIRED WHENEVER THE PIPELINE : CHANGES DIRECTION, CHANGES SIZE, DEAD ENDS AND AT VALVES. 2. USE 2500 P.S.I. CONCRETE. 3. NO CONCRETE SHALL BE POURED ON ANY PART OF THE JOINT. 4. THE CONSULTING ENGINEER SHALL BE RESPONSIBLE TO THE VERIFY THE TYPE & SIZE OF ALL THRUST BLOCKS. CONCRETE THRUST BLOCKS NTS FIG. W -3 TD -14 GOOD FOUNDATION MATERIAL ROCKY FOUNDATION MATERIAL ...."irdd3:a 8 24 MIN 8 INITIAL BACKFlLL 2a MIN s s.: MIN. MIN \ r MIN. MIN 6" BEDDING ----4 �T 1 #68 STONE ,.•„ * STABLE SOIL ROCK * SCRAPE THE BOTTOM OF THE TRENCH. REMOVE ALL STONES TO INSURE THE PIPE DOESN'T REST ON ROCK AND THEN COMPACT THE SOIL OR PROVIDE A 4" BEDDING OF #68 STONE. FOUNDATION IN POOR SOIL UNDER -CUT CONDITION >/717 36 36" MIN UNSTABLE 24" MIN INITIAL BACKFlLL 24-MIN MIN SAIL s s° MIN. MIN. �8 8 MIN. MIN. STONE STONE STABLE SOIL OR ROCKS `STABLE SOIL OR ROCK NOTE 1. NO ROCKS SHALL BE ALLOWED WITHIN 24" OF THE WATER LINES. 2. NO ROCKS LARGER THAN 6" IN ANY DIMENSION SHALL BE ALLOWED ABOVE THE INITIAL BACKFlLL. 3.THE INITIAL BACKFILL SHALL BE PLACED AND COMPACTED IN 6" LIFTS. 4. NO ORGANIC OR FROZEN MATERIAL OR DEBRIS SHALL BE ALLOWED IN THE TRENCH. 5. BELL HOLES SHALL BE DUG OUT IN ALL CASES. DUCTILE IRON WATER PIPE INSTALLATION & BEDDING NTS FIG. W -2 TD -13 ROAD NAME STATION VPD PAVEMENT WIDTH (A) PAVEMENT THICKNESS FUNCTIONAL CLASSIFICATION SM -9.5 BM -25.0 21B GOLF VIEW DRIVE 10 +00 - 17 +50 320 16' 1 -1/2" 3" 6" RURAL LOCAL FUTURE 61' PUBLIC 0 +0 - 0 +42 2" SM -9.5 16' 1 -1/2" 3" 6" RURAL LOCAL PRIVATE 32' ROAD 0 +0 - 0 +90 U 0 12' 1 -1/2" 3" 6" RURAL LOCAL R/W 4" 3000 PSI VDOT ST'D 9 : 1 CONCRETE CG -6 3 1 4" VOOT 21A '• " ''''`` STONE BASE ,,;;:�'..:;�z:'� =.. ,:;: °_.__. _ 6" VOOT 21A 4" UD -4 STONE BASE UNDERDRAIN 1' 5' 6' 2. 6' CONCRETE PARKING SIDEWALK 0.5' LANE 30.5' TYPICAL SECTION PRIVATE ROAD (32' R/W) N.T.S. 61' PUBLIC R/W POINT OF FINISHED BASE 10' TRAVEL LANE SURFACE 10' TRAVEL LANE VDOT ST'D CG -6 - 4" UO -4- UNDERDRAIN 6, 2. PARKING LANE 0.5' FUTURE PUBLIC ROAD 61'PRIVATE R/W w TYPICAL SECTION \ GOLF VIEW DRIVE (61' PUBLIC R/W) N.T.S. 30.5' R/W 4" 3000 PSI CONCRETE 4" VDOT 21A 9 1 6" VDOT 21A STONE BASE STONE BASE 6' 5' 1' CONCRETE SIDEWALK OLD TRAIL- 8000L.00K 35\DETAILS.DWG �I ROAM 0&4SSIFICATION SCHEDULE Q ' U a 32' PRIVATE R/W � M R/W ^W 06 <g Z U Ncl) R/W 2 0`0 ROLLTOP 2" SM -9.5 Q ROLLTOP Q= `7 1 0 MTV CURB / I U 0 CURB \ 3 ' 1 9; wO cn LL D 0 •a• . . . . . . . . . . . . . v1 <3 3 9 -1 W JJ U VQ �W O Q Z Qo - 0 Q Z(D 8" 21 -A � 1.0' a�r i 2 W 0 12 12 2 1 LL Z W - ��, 0> �� f-4 WW 0rn 24 \FACE 2 Q� / 0 W Z OF FACE OF CURB CURB o TYPICAL SECTION PRIVATE ROAD (32' R/W) N.T.S. 61' PUBLIC R/W POINT OF FINISHED BASE 10' TRAVEL LANE SURFACE 10' TRAVEL LANE VDOT ST'D CG -6 - 4" UO -4- UNDERDRAIN 6, 2. PARKING LANE 0.5' FUTURE PUBLIC ROAD 61'PRIVATE R/W w TYPICAL SECTION \ GOLF VIEW DRIVE (61' PUBLIC R/W) N.T.S. 30.5' R/W 4" 3000 PSI CONCRETE 4" VDOT 21A 9 1 6" VDOT 21A STONE BASE STONE BASE 6' 5' 1' CONCRETE SIDEWALK OLD TRAIL- 8000L.00K 35\DETAILS.DWG �I mum MAY 21, 2013 PEP COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1 "= 50'HORZ 1 " = 10' VERT CONTOUR INTERVAL 2 FOOT Q ' U a � M O ^W 06 <g Z U Ncl) W 2 0`0 �� �< Q ,to �0) r Q= z 0 MTV Q 0 It U 0 o Z °C W OU 9; wO cn LL D 0 gZ --1 Z v1 0� 9 -1 W JJ U VQ �W O Q Z Qo - 0 Q Z(D Q LO (5) � � a�r V W 0 O u. LL Z W - ��, 0> �� f-4 W WW 0rn 24 2 Q� T W 0 W Z a mum MAY 21, 2013 PEP COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1 "= 50'HORZ 1 " = 10' VERT CONTOUR INTERVAL 2 FOOT FILE NUMBER 8053 SHEET 7 OF 13 Q J M J- Q 06 <g Z ow cm Q YZ. 00 z 0 MTV l WJ> W J Z W� 0 LL D 0 gZ 006� O � �m CL Cn a JJ U Qz Q Z Qo - � L' oC U � w W V FILE NUMBER 8053 SHEET 7 OF 13 SEQUENCE OF CONSTRUCTION: • Borrow, fill or waste activity involving industrial -type power equipment shall 1. INSTALL CONSTRUCTION ENTRANCE. Albemarle County Design Standards Manual be limited to the hours of 7: OOam to 9: OOpm . 2 CONSTRUCT 'CLEANWATER' DIVERSION ALONG GOLF COURSE, Borrow, fill or waste activity shall be conducted in a safe manner than INSTALL TEMP. DIVERSION DITCHES AND CONVEYANCE CHANNEL. EROSION AND SEDIMENT CONTROL LEGEND (10 -22 -2012) maintains lateral support, or order to minimize any hazard to persons, NO MORE THAN 500' OF DITCH SHALL BE UNDER CONSTRUCTION physical damage to adjacent land and improvements, and damage to any public AT ANY GIVEN TIME W/O THE INSTALLATION OF LINER. General construction notes for Erosion and Sediment Control plans street because o slides, sinking, or collapse. 3 INSTALL SEDIMENT TRAPS PLACING SILT FENCE AT THE TOE CONSTRUCTION • The developer shall reserve the right to install, maintain, remove or convert OF SLOPES. SEED AND STABILIZE ALL DENUDED AREAS. CE 3.02 ° to ermanent stormwater mans ement facilities where a licable all erosion 4: INSTALL INLETS AND INLET PROTECTION, INCLUDING OUTFALL PIPE & ENTRANCE • The plan approving authority must be notified one week prior to the P 9 PP control measures required by this plan regardless of the sale of any lot, TEMP. CHANNEL INTO ST #1. DIVERT ALL RUNOFF INTO TRAPS AS SHOWN. pre - construction conference, one week prior to the commencement of land disturbing activity, and one week prior to the final inspection. unit, building or other portion of the property. 5. AFTER CONVEYANCE CHANNEL IS STABILIZED, COMMENCE rpc WITH CONSTRUCTION AND GRADING OPERATIONS. CONSTRUCTION ROAD • All erosion and sediment control measures will be constructed and maintained Temporary stabilization shall be temporary seeding and mulching. Seeding is to l�l\J 3.03 according to minimum standards and specifications of the Virginia Erosion and be at 75 lbs /acre, and in the months of September to February to consist a 6 AS GRAADING DING BEGINS ALONG GOLF VIEW DRIVE, INSTALL AND MAINTAIN STABILIZATION Sediment Control Handbook and Virginia Regulations VR 625 -02 -00 Erosion and 50/50 mix of Annual Ryegrass and Cereal Winter.Rye, or in March and April to THE DIVERSION ALONG THE FROM ABOUT STATION 13 +00 TO ST #1. Sediment Control Regulations. consist of Annual Rye, or May through August to consist of German Millet. 7 COMPLETE ONSITE CONSTRUCTION &GRADING, APPLY PERMANENT SEEDING, �jF 3.05 SILT FENCE • All erosion and sediment control measures are to be placed prior to or as the Straw mulch is to be applied at 80lbs /i00sf. Alternatives are subject to ENSURE , LIME AND FERTILIZER TO ESTABLISH SOIL STABILIZATION. E first step in clearing. approved by the County erosion control inspector. 8 ENSURE SITE STABILIZATION, OVER SEED &STRAW ALL DENUDED AREAS A copy of the approved erosion and sediment control plan shall be maintained Permanent stabilization shall be lime and fertilizer, permanent seeding, and PRIOR TO CONVERSION OF SEDIMENT TRAP #1 INTO CONVERSION. ENTION FACILITY. • mulch. 9 OBTAIN EE APPROVAL &COMPLETE THE BMP CONVERSION. INSTALL PIPES, C.0'S, � � 3.09 DIVERSION DIKE on the site at all times. TOPSOIL, MEDIA & PLANTINGS PER SPECIFICATIONS. AFTER BMP BECOMES FUNCTIONAL, • Prior to commencing land disturbing activities in areas other than indicated & SITE REMAINS FULLY STABILIZED REMOVE INLET PROTECTION AND DIVERSIONS AND on these plans (including, but not limited to, off -site borrow or waste i. Agricultural grade limestone shall be applied at 90lbs /i0001sf, incorporated DIRECT ALL STORMWATER RUN -OFFS TO THE BMP. areas), the contractor shall submit a supplementary erosion control plan to into the top 4 -6 inches of soil. COORDINATE THE ADDITION OR REMOVAL OF ANY EC MEASURES W/ THE EE INSPECTOR. S T 3.13 SEDIMENT TRAP the owner for review and approval by the plan approving authority. 2. Fertilizer shall be applied at i0001bs /acre and consist of a 10 -20 -10 • The contractor is responsible for installation of any additional erosion nutrient mix. Permanent seeding shall be applied at 1801bs /acre and consist control measures necessary to prevent erosion and sedimentation as determined of 95% Kentucky 31 or Tall Fescue and 0 -5% Perennial Ryegra�ss or Kentucky SEDIMENT TRAP SIZING. SEDIMENT TRAP SIZING S 3.17 - - - - - STORMWATER CONVEYANCE by the plan approving authority. Bluegrass. - - • All disturbed areas are to drain to approved sediment control measures at all p 3. Straw mulch is to be applied at 801bs /100sf. Alternatives acre subject to CHANNEL times during land disturbing activities and during site development until approved by the County erosion control inspector. DESCRIPTION STI DESCRIPTION ST2 final stabilization is achieved. DA 3.0 AC. DA 3.0 AC'. ROCK CHECK DAMS • During dewatering operations, water will be pumped into an approved filtering Maintenance: All measures are to be inspected weekly and after each rainfall. WET VOLUME 201 CY WET VOLUME 203 CY device. Any damage or clogging to structural measures is to be repair immediately. DRY VOLUME 201 CY DRYVOLUME 201 CY • The contractor shall inspect all erosion control measures periodically and Silt traps are to be cleaned when 50% of the wet storage volume is filled with REQUIRED VOLUME 402 CY 3.31 after each runoff- producing rainfall event. Any necessary repairs or cleanup sediment. All seeded areas are to be reseeded when necessary to achieve a good SIZE ED VOLUME 402 CY TS TS TEMPORARY SEEDING stand of grass. Silt fence and diversion dykes which are collecting sediment SIZE 31 FT SIZE (W) 38 FT to maintain the effectiveness of the erosion control devices shall be made { } L 62 FT tL) 76. FT immediately. to half their height must be cleaned and repaired immediately. O • All fill material to be taken from an approved, designated borrow area. All temporary erosion and sediment control measures are to be removed within (D) 60 FT (D) 4.0 FT PS 3.32 PS PERMANENT SEEDING • All waste materials shall be taken to an approved waste area. Earth fill 30 days of final site stabilization, when measures are no .longer needed, OUTLET LENGTH 18 FT OUTLET LENGTH 18 FT shall be inert materials only, free of roots, stumps, wood, rubbish, and subject to approval by the County erosion control inspector. PROVIDED VOLUME 427 CY PROVIDED VOLUME 428 CY other debris. This plan shall be void if the owner does not obtain a permit within i year of BOTTOM TRAP EL 673.00 BOTTOM TRAP EL 682.00 TP 3.38 TREE PROTECTION • Borrow or waste areas are to be reclaimed within 7 days of completion per the date of approval. (Water Protection Ordinance section 17- 204G.) WET VOL. 'EL 676.00 WET VOL. EL 684.00 Zoning Ordinance section 5.1.28. Permanent vegetation shall be installed on all denuded areas within nine (9) DRY • All inert materials shall be transported in compliance with section 13 -301 of months after the date the land disturbing activity commenced. (Water TOP OF . EL 680.50 TOP 0.F N 686.00 TOP OF BANK 680.50 TOP OF BANK 687:00 the Code of Albemarle. Protection Ordinance section 17- 207B) SWIMN Tee DITCH DEPTH -. \ Box s. , f �° Ex. 10 Londscppe and FULL DEPTH EC -2 LINING Sidewalk. Easement I BEGIN TO 9 +00 B 3442 p.188 : X CLFANYMATER' "'- - °� .,.X�. � Box `\ \� " u� ✓ �MERS� 1 �e%Otility Esmt O DBE 6FT P.280 \ \ X" WO-0 WON" ".., fir,... / _ ..,. -..-. .. .,.. -. ,..,„d' O k'r" � �� ,.I / t€{ �• \ PORTION OF TMP 55E -1 Al er- �' ` ' BW -2' MARCH MOUNTAIN PROPERTIES, L.L.C. ( CONVEYANCE DITCH DEPTH= 12" i 1 LL DEPTH EC 3A LININ D.B. 2233, PG. 389 ``° r l "" 1 9 +00 - 8+26 D.B. 2035, PG. 726, 728 � S01 TYPE 25B s S"I�ORM -WATIR Z ON `'"�' o EXISTING PRESENT SE GOLF COURSE _ dr �_., f WET �o� ' � � � o TF,� APPROXIMATE POND \� �- � SOIL TYPE 5B ��• x 1 �; ~• DITCH DEPTH =15 "I �' Z o ,. r� .. ... \� x EDGE OF WATER =f ~rv.... •- WSEm672,10 Edge. Exist reeds to °`Remain, ~_• Exist. Trees ; s t • .:...�'" ,�' yt ��� � �• � \ �. � X = OP 50 CUBIC YARDS ~ ~ ~, -- O f� - ' r d si�vt r . € J' FULL DEPTH EC-t2 LINING, CLASS TRIP -RAP to Remain ~ ._._. _. d''..,�. .., -•Y•t �C RLEANWATER 00 CD �` W UNDERLYING L..d� FILTER FABRIC Tee Own"' ,.. TP . TP` ~_ � SF DEPTH = 36" , s j T rl 20 ablage Ea�mt Var. WWth Oralfnage LIMITS OF'JLAND DISTURBANCE IP 7 TP(' x o ' es ,, ~_15'x3o' APRON) 9 5 o- o o •�... o / o E °a _. , _r __d. � ...__ D .. ,,,,._..� =Conc. lame ..:,.•,' D Q)D 69 SF ,,'' CD O � d ST #1 �--- SF _ 2 sin .-- I P . o' Dr smt age E -� �/ r.. _...._ r 14 CUBIC YARDS -'� b Future Lot .CLASS I�,RIP RAP • �.,,� �,•„ O� � C77C W --- UNDERLYING 0 f r - _ ' f 1 ND SIDEWALK ® P /.,L �' r � �• ER FABRIC m, _. DEPTH 24 _._._. _ ,,' _✓ t y .- r O OLD 6� � (12'x1 APRON) TRAI x t I t0 ,.• ;,r GRASS LINING CHANNEL � SF m r SOIL TYP 5B \SOIL TYPE 5B T$ LOT 5- 1 +65(STR #1) �" �CFIAltMlE� �� OLD TRAIL RECONSTRUCT & _ >.' r T #1=2.99 A c. b I P 4 CONNECT EX. C -1& << rn cn 1 �. t -a5 �Toebe Vacated w/Putu R � I P 20l Drain � OP f . SIDEWALK (Pcortians re ) O SC t TO PROP 1 . v ,..�,... .1.u� cr •A` ' :'t; s;�.� '+s $: ;a�`., {A,.�,x . 'rr.. -s:,• 'x,;,, a- 'ss. :; t.,�: >,. 11 & GUTTER ` p '- '`r: " .:` �-. .t 4'.:i :;z' 5 Sidewalk::.:i. '.f S:C:g,' % !_.:.s: "'zi &CURB w cn SEE CG -1$ 1 WE B j� t•si. i;Y'.wieSt£.�...i Lt,,va.3•rry. a -_' - 41 � .. ��N' .......... - - -- .......M .. . .M. J'... -T DITCH DEPTH -24" Z..t ' Y 'tee '.� N IP SF SF J ................ 2 f O { > FULL DEPTH EC -2 LINING f 5 Sidewa k «. -•. aq •�• STR 1 SED. TRAP #1 jt rte: IaI r 00 --J� ✓' -t 28--- Ex. 8 S . --��„ -- - I CONVEYANCE / f Sewer Esmt Ex, 2 'San. Existing . : ,A% MAP �1 -2 `idewalk % :. ewer Es D , 2 46 P.430 TS 2 ling - - -- 1 / 1/'�/�'v A EX 20 S DB • Se rer Esmt � 3 _ 2946 P.430 TS �� S F San w \ CG -t 2B I P uture Ot 2946 P. 4,30\ ` --- flB ��� i � � � r �� '• •� � 20' Drainage Esmt � LOT 1 \ O O 0! FWU a Lot 9 .. � ...� r�•,. -..� I� �.: 1 .,BeXso�9se Ivor Var. Width Drainage Esmt J I �,..�.._ - - ~.-- -' _, .•-✓'" �,` ." i �� R POSED 5' SIDEWALK \ BEGIN DR _. D _ 1 Exist. Clear in Limits t-" { I / I I Ex. r Inlet S F ��\ 53 LIMITS 0)F LAND DISTURBANCE In n 697.46 II i 1 t 687.34 II SF t _.q \ SF _ °� /' �` 5 `� ST GENERAL EROSION N \'� PROPOSED CLEARING UM17S `/ N A D SEDIMENT CONTROL NOTES ES.-1 : UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. ../ Qt><itg Sign,. - ° \ ES 2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. I \ \ ID 1 �^' }• ,� ES -3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. N co '� N p � _ - \ o o ,_ e PORTION OF TMP 5512-1 Al Ul `� ( " Future Development ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. '" \'r• t \ �3 `'� td's \ MARCH MOUNTAIN PROPERTIES, L.L.C. \„ D.B. 2233, PG. 389 0 �, ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS INCLUDING, BUT � -�~ \ � � \ \' , `� t r � � D.B. 2035, PG. 726, 728 (PLAT) NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN REVIEWING AUTHORITY. ZONED NEIGHBORHOOD MODEL ZMA 04 -024 ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO { PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN REVIEWING AUTHORITY. 06 $ y \ e O� f�PG, ES -7: ALL DISTURBED ARES ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING _ �� ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION HAS BEEN ACHIEVED. \ f ES -8: DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. SCALE 1" = 50' TS ®� ` ` Christo her C. Mu l I an ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING 50 0 50 100 Lic. No. ; ,� q• RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL l N ` 'PowZ67 � DEVICES SHALL BE MADE IMMEDIATELY. e` STREET 1REE M� g � � N FEET Fss NG O STA 21 +42 \ I ONAL E 6 � OLD TRAIL- 80631BLOCK3513UB.DWG REVISIONS MAY 21, 2013 PER COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1 "= 50'HORZ 1"= 5'VERT CONTOUR INTERVAL 2 FOOT Ua w o 06 Z U 04 W to CD N [L NQ YZ QT (3� Z OU > o O wW �•+ �+ Q Z O W > z Q01 V Q r W 8) gV, Q -1 0 Q Z� tN (.5 0� � JZ _O Z >V 0� O li M� W (� L W V,w W O Q� W I'- Q 2 Q� 0)� �1 Z W Z 2 0 CL F•�I REVISIONS MAY 21, 2013 PER COUNTY 6 ACSA COMMENTS DATE APRIL 05, 2013 SCALE 1 "= 50'HORZ 1"= 5'VERT CONTOUR INTERVAL 2 FOOT FILE NUMBER 8053 SHEET 8 OF 13 O z 06 Z g N [L YZ J 00 0:5 O cc c JV m � � Z > z W I� 0 8) gV, 0 -1 � JZ _O Z >V 0 J - ,J Q r-n- V♦ Z0 W J FILE NUMBER 8053 SHEET 8 OF 13 M. BLOCK AND GRAVEL DROP INLET SEDIMENT FILTER WIRE SCREEN '- 8611A1�iP� :tea. ��uu *.� ♦,;���: . �I �►��1 ~ate * FILTER • • , RUNOFF A. 41 NTH SEDIMENT .��%il�: INLET SEDIMENT -•/ -T-rl I THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPACITY IS NECESSARY TO PREVENT EXCESSIVE PONDING AROUND THE STRUCTURE. * GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE. SOURCE: VA. DSWC PLATE. 3.07 -3 STORMWATER DISCHARGE DESIGN NARRATIVE • THIS PLAN IS AN ADDIIONAL PHASE OF OLD TRAIL VILLAGE, AND SHALL PROVIDE 12 ADDITIONAL LOTS. DRAINING TO AN EXISTING BMP WET POND. STORMWATER SHALL BE CONVEYED USING C &G AND STORM INLETS TO CAPTURE SURFACE RUN -OFF AND STORM PIPES TO CONVEY THE RUNOFF. • TEMPORARY SEDIMENT TRAPS, DIVERSIONS AND ACCOMPANYING TEMPORARY CONVEYANCE CHANNNEL WILL CAPTURE THE PROPOSED RUNOFF FROM THE DEVELOPMENT. • AFTER CONSTRUCTION, THE SITE GRADING AND STABILIZATION IS COMPLETED, SEDIMENT TRAP #1 WILL BE CONVERTED TO A BIO- RETENTION FACILITY, WHICH IS CONTIGUOUS AND DRAINS DIRECTLY INTO THE EXISTING, AND MORE RECENTLY CONSTRUCTED WET POND. • THE EXISTING POND WILL LATER BE CONVERTED TO A BMP FACILITY, AND IT IS CURRENTLY LARGE ENOUGH TO ACCOMMODATE THE PROPOSED AND ADDITIONAL FUTURE DEVELOPMENT. • THE TEMPORARY SEDIMENT TRAPS PROVIDE OVER 850 CUBIC YARDS OF TEMPORARY RUN -OFF STORAGE. • ACCESS TO THE SEDIMENT TRAP AND DITCH WILL BE PROVIDED WITH THE ROAD CONSTRUCTION TO PROMOTE MAINTENANCE OF THE SEDIMENT TRAP AND CONVEYANCE CHANNEL. • THE 3.76 ACRE SITE HAS A PREDEVELOPED RUNOFF OF 6.1 cfs, WHILE THE IPOST DEVELOPED FLOW IS 10.3 CFS. THE IMPACT TO THE EXISTING WATERSHED IS' MINIMAL; THE DEVELOPMENT IS LESS THAN 59 OF THE DRAINAGE AREA AND A BIORETEINTION AREA IS BEING INTRODUCED, WHICH WILL REDUCE PEAK RUN -OFF. • SEE BID- RETENTION CONVERSION DESIGN, NOTES AND DETAILS 4- VUUI d2A STONE BASE TYPICAL SIDEWALK SECTION N.T.S. i' 2 18" FACE OF qa 'CURB A I •• ¢ •0.'q •q. Q.. \BUILDER'S OPTION: AREA MAY BE CONCRETE. BOTTOM OF CUB MAY FOLLOW SLOPE OF SUB -BASE PROVIDED A MINIMUM DEPTH OF 7 INCHES IS MAINTAINED. i' 1 2' ROLLTOP CURB N.T.S. 5' TRANSITION , 5' I I 1111� 6" -FACE OF CURB 2 18" a 4 •. % f 6 " a 7" • b a•q .. q _4 UILDER'S OPTION: AREA MAY BE CONCRETE. BOTTOM OF CUB MAY FOLLOW SLOPE OF SUB -BASE PROVIDED A MINIMUM DEPTH OF 7 INCHES IS MAINTAINED. 6 2' CG -6 CURB N.T.S. BLOCK & GRAVEL CURB INLET SEDIMENT FILTER CURB INLET WIRE SCREEN Iffl-OLIX C401 CONCRETE BLOCK GRAVEL FILTER ��►i►'��itr ��' � II:11:11:11:��:11 11= X1-11= 11:=11= 11 -11- � 11. =11 =11 - II'11= 11= 11= 11= ;11 =11= a -.0 -. ag 11= 11 =11= -" ;x.11= 11= ►,1= 11= 11= 11 =11:= 11:=11 =1i -�� 11 =11 =11 11= 11= 11= 11= 11= 11= :11= 11= 1L =1�- 1i= 11-'11= SPECIAL APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE. * GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE SOURCE: VA. DSWC CL. I RIP -RAP *COURSE A664RE6ATE SPILLWAY �� Depth = 1.2.5' �x *3, *15 or *55-1-Cowse /4G wem PLATE 3.07 -8 VD �a a VG Qp O N5 � AR Y!„ o 0 VL AR 0 TEMPORARY RECEIVING CHANNEL CLEANWATER DIVERSION ALONG GOLF COURSE N.T.S. 1.5' 5' 5' (,(. FULL DEPTH EC-3, TYPE A LINING ..ailllllllil�I IIII� -� I�IIII =11I III �-- `--' ....... ..-1. ....."� .x...111111.... - 111111 .L"...•111111�111111.�..�. STORMWATER CONVEYANCE CHANNEL STATION 9 +00 - EXISTING EDGE OF POND (Cleanwater Conveyance and Sediment Trap- Overflows) N.T.S. 10' Min. 6" Inspection Ports �8" M.H. Grading As Shown iser w On This Sheet 3 :1 MAX. w/ Watertight Caps DI -7 TO 6" / Watertight Capss 2,5�Top= 678.50 Top= 678.50 �, 680.75 Top= 678.50 - CL.1 R -RAP TOP BIOFILTER INV.= 679.50 MIX = 678.0 u E 6 "PERFORATED �� TOP UNDERDRAIN PVC @ i% MIN. ELEV. = 675.5 0 4" PEA GRAVEL o WRAPPED IN F. F•6 "x6" TEE o 0 0 64 ®� 4 RCP - 0 6 "PERFORATED & 6 "x6" E .78,% Inv. 67 .0 PVC @ 1% MIN. Inv. =670.5 112 " -1" STONE AGGREGATE(ASHTO M43) WRAPPED IN F.F. (18" MINIMUM DEPTH ) BIOFILTER CONVERSION CROSS- SECTION N.T.S. �LTH of `f WA Christo er C. Mullis Lic. No. 031672 �<v� o�,� ,<�_Z1-13 oti� "81ONAL Eti OUTFALL INTO EXISTING -POND v r "� -� ,,.' `` .. -•f '� Q' Q BENEATH WATER SURFACE „ " TO 78. 6" PV CL NO TYPICA VD o O '' „ ~y ~ ., -._. POND SPECIFICATIONS — 0 TOP OF DAM O G HEIR SPILLWAY = 6N:0 TOP BIOFILTER MIX = 616.0 G TOP U"D. GRAVEL = 615.5 10 YEAR H16H WATER ELEV. = 616.30 Y 100 YEAR HIGH WATER ELEV. - - 680.22 O lJ e5AY LEVEL 14 of CL. I RIP -RAP V4/ =lying Fllter Fabrk. 6' 13e10" Pf *wd Grade 240 Min. Depth GL i Riprap iFOREBAY HEIR = &N.0 SCALE 1" = 10' i0 5 0 i0 20 SCALE IN FEET na L BIOFILTER DIMENSIONS & PLANT CALCULATIONS APPROX. BOT. DIMENSIONS = 33'x 66' PLANTING SURFACE = 2,178 s. f. PLANTS REQUIRED: 22 @ 10 TREES & SHRUBS PER 1,000 s.f. SHRUB TO TREE RATIO = 2.5 : 1 PLANTS PROVIDED: 25 7 TREES 18 SHRUBS BIOFILTER PLANT LIST Tree Species (1" min. caliper) Quantity Symbol Scientific Name Common Name 3 AR Acer Rubrum , Red Maple 1 OP Quercus Phellos Willow Oak 3 NS Nyssa Sylvatica Black Gum Shrub Species (3 -4' min. height for planting) Quantity Symbol Scientific Name Common Name 6 VC Viburnum Cassinoides Northern Wild Raisen 6 VD Viburnum Dentatum Arrow -Wood 6 VL Viburnum Lentago Nannyberry 1145 5`-0;' BARS a -4 02 REV.)- 2 b- 31/z 2'/ „ H 6 A. STANDARD �. If1TERLOCK RISER UNIT 4" 1' 0' � I(EYWAY GRATE A BAR SPACIfVG CHpf2T GRATE MAXIMUM. CIMENSIGN. TYPE p b Al A III r T' t -0 Q., SECTION B B a= 21 DIAMETER BAR C@ 10.6H LBS /FT OR. NO t} PLAID BILLET STEEL .BAR NOTES; @7.65 LBS /FT•kASTM A-615 )GRAPE 607 1. SEE GENERAL NOTES-PRECA$T FOR ADDITIONEL 4ETALS'. L'3! /2" x.? %Z" x 2. CONCRETE COVER ID GRATE -PRE T,0 BE FURNI11E4 B GRATE A WELD WELD AS A. SINGLE UNIT. O��!TSIDE pIMEN5IQNS OF, GRATE ARE TO BE 3 4" X 2'-11C'4" (CRATE. A} OR 3. -4" X 2 -11%2 .PLAN VIEW -\ 'f (GRATE 8), �SEE 3, DIMENSIONS SHOWN ARE MINIMUM ACTUAL... DIMENSIONS' OETAIL A LL MAY VPRY WITH MANUFACTURER. ?, Z/," X 4 4. CRATE A IS TO DE UTILIZED IN' LOCATIONS; NOT STUD SHEAR L2'' x 3' R �(a" --' NORMALLY SUBJECT TO TRAFFIC. F - CONNEQTOP.. 5. GRATE L IS TO. BE UTILIZED IN LOCATIONS $ECT10N A-A { DETAIL A NoftraALL'r SUBJECT To TRAFF)C; DE JAILS QE CONCRETE COVER AND GRATE A 6. ALTERNATE METNO95 Or ANCHORING ANGLE IRON WILL BE ACCEPT.'sF3LE IF ;APPRQVED BY THE ENGINEER. 7. GRATE AND COLLAR ARE TO BE GALVANRED AFTER 2'_11'(z' GRATE-- FAHZICATION. /'x2y:, D E'OCE EA(� 8 JOINTS BETWEEN CONCRETE COVER AND GUTTERS 1 1 /y' X 2�' ' BEARING BARS (WHEN REQUIRED) ARE TO BE DOWELED, KUM, 013 �•.-- '/I CLEAR (12 REq 0 OTHER VDOT APPROVED METHODS. 9. CONCRETE SHALL BE 4000 PSI MINIMUM. 10..REINFORCING STEEL SHALL BE IN P.CCOROANGE WITh PSTM A -615. 1% BETWEEN' BAF�SITYP.1 11. GRATE BARS ARE 70 BE INSTALLED 50 THEY WILL BE PARTIAL SECTION D-.D ALIGNED PARALLEL TO THE 01TCH' FLOW. _ - 72; SEE .STANDARD DI-7, /A. 75 FOR GETALS OF GUTTER, 3 -4 GRATE -.-- METHOD OF PLACEMENT,ALTERNATE METHODS OF %" X 4" CONSTRUCHON. S�'UD SHEAR 'jj X 'L; /z' EDGE BAR.. CONNECT �1�REQ D.) -! *� �" CLEAR /^ 1 AlIlI xf3 /6.EQ'D.) CRATE B U2 %2 x 21 /z' X '/, Ye PARTIAL SECTION C -C DETAILS OF LOAD CARF�YING GRATE a _. "E S FAND;ARD PRE (' AST TOP UNITS VIRGINIA DEPARTMENT OF TRANSPORT,,(TION:. 11 7,/05 la3.oB n WATER QUALITY NARRATIVE • SEDIMENT TRAP #1 HAS BEEN DESIGNED TO REDUCE THE POLLUTANTS BY 50% BY CAPTURING AND TREATING THE FIRST j" OF RUNOFF FROM A PORTION OF THE EXISTING AND THE ENTIRE PROPOSED DEVELOPMENT. FOR THIS SECTION OF DEVELOPMENT SPECIFICALLY, THIS INCLUDES 2,500 S.F. OF STRUCTURES PER LOT, 1,200 S.F. OF DRIVES PER LOT, 27,750 S.F. OF ROADWAY, 5,100 S.F. OF SIDEWALK PER LOT, AND THE REMOVAL OF 2,200 S.F. OF EXISTING IMPERVIOUS AREA TO FACILITATE THIS AND FUTURE DEVELOPMENT. • IN THE FUTURE, THE STORM SEWER SYSTEM SHALL BE EXTENDED UPSTREAM TO SERVE APPROXIMATELY 3 ACRES OF FUTURE DEVELOPMENT. IN ADDITION, THE STORMWATER OUTFALL PIPE #1 WILL BE EXTENDED AS THE STORM SEWER AND FUTURE R/W IS DEVELOPED. • THE AMOUNT OF IMPERVIOUS SURFACES FOR THE SITE DRAINAGE HAS BEEN QUANTIFIED AS DRAINAGE AND POLLUTANTS CONTRIBUTING TO THE PROPOSED BIORETENTION AREA AND ARE SHOWN ON THE COMPUTATION SHEET. • SHOULD THE FUTURE DRAINAGE AREA / IMPERVIOUS COVER RATIO EXCEED THE ASSUMED POLLUTANT LOADING ANTICIPATED WITH THE DEVELOPED WATERSHED, ADDITIONAL WATER - QUALITY VOLUME MUST BE ADDED TO THIS POND, OR ADDITIONAL POLLUTANT REMOVAL MUST BE ACHIEVED ELSEWHERE. ULTIMATE AND MAXIMUM ANTICIPATED DRAINAGE QUANTITIES HAVE BEEN UTILIZED TO DESIGN THE STORM SEWER. • SHOULD FUTURE VIRGINIA STORMWATER QUALITY REGULATIONS INCREASE THE ASSUMED EFFICIENCY OF THE WET POND, ADDITIONAL IMPERVIOUS AREA MAY BE PERMITTED. • THE PROPOSED DEVELOPMENT OF 3.76 ACRES WITH A REQUIRED REMOVAL RATE OF 1.93 LBS/YR., REQUIRES A 50% REMOVAL RATE TO PROVIDE THE NECESSARY WATER QUALITY TREATMENT. SEE BIORETENTION CONVERSION PLAN & DETAILS. GENERAL CONSTRUCTION NOTES FOR STORMWATER MANAGEMENT PLANS • ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% 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. • PIPE AND RISER JOINTS ARE TO BE WATERTIGHT WITHIN STORMWATER MANAGEMENT FACILITIES. • 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. SEDIMENT TRAP #1 TO BID- FILTER CONVERSION DEVELOPED AREA =3.76 ACRES @41 % Imperviousness EXISTING OFFSITE IMPERVIOUS DEFAULT =16% 1/21 RUNOFF TREATMENT = 50% REMOVAL DESIGN SURFACE AREA= 2.5% * ((3.76AC. *41 %)+ (0.60 AC•* 16%)) *(0.5/ 12)) *43,560 S.F. 047 2, S.F. + 52 S.F. =2,100 S.F. (See Storwater Narrative for Additional Information) OLD TRAIL- 8053VX= ,011 DETAIL3.DWG , REVISIONS 1 MAY 21, 2013 PER COUNTY & ACSA COMMENTS DATE APRIL 05, 2013 -SCALE 1 „ - 100 HORZ CONTOUR INTERVAL 2 FOOT Q T ` U Y / M a w 06 Q cc h Z o LQ (D U C\1 C � vN i Z QZ UO O �o Z I-- J V r ¢_ � !-•-i �J4. Q aOc gW U 0 o Z cc W OU T� Wo � Q. J J Z i OZ V Q O (/) W � ► ..0� J a� V L co 0 w 0LL w � LL cm p4 111 0 IL W UI 2 W Z O 0 W a=. W REVISIONS 1 MAY 21, 2013 PER COUNTY & ACSA COMMENTS DATE APRIL 05, 2013 -SCALE 1 „ - 100 HORZ CONTOUR INTERVAL 2 FOOT FILE NUMBER 8053 SHEET 9 OF 13 Q Y / M 06 Q 7 g h Z ,J vN i Z QZ UO O I- Z I-- J V OW5 W -�Z ~ O' I- Z O� O gW Z (n F- W W J _OW � O J J Z i OZ J FILE NUMBER 8053 SHEET 9 OF 13 - CONSTRUCTION OF A SILT FENCE EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS CONTINUED FENCING' AND AR G MORIN (WITH WIRE SUPPORT) T� 1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN 19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM STD N.T.S. 3.38 TP U w a DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK z `� p SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT FLOW RATE OF STORM WATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24 -HOUR DURATION IN i�--I 0 vk a - �" . -2, 'AT If,A! T 'TOP 1. SET POSTS AND EXCAVATE A 4'X4' 2 STAPLE WIRE FENCING TO THE POSTS C,t lti;� WILL REMAIN DORMANT FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO ACCORDANCE WITH THE FOLLOWING STANDARDS AND CRITERIA: �Y��E(��G TRENCH UPSLOPE ALONG THE LINE � _ ,7 '° of POSTS. AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. ALL CONCENTRATED RUN -OFF IS DIRECTED TO DRAINAGE DITCHES OR INLETS AND OUTFALLS INTO A W N cf) r? / ,IOU {'tT CONTRACTOR SHALL ESTABLISH A STABIUZED SITE, AND NOT ALLOW ANY EROSION OR SEDIMENT TO EXIT. " t 2'x2' OAK OR 2x4 PINE (TYP.) TEMPORARY SEDIMENT TRAP. THERE IS ALSO AN EXISTING WET POND LOCATED AT THE TOE OF THE CONVEYANCE CHANNEL �0 t "` - • °'' -• - - 2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED 0�0 IV b" r -- OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE A. CONCENTRATED STORM WATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE DISCHARGED DRIP LINE N DIRECTLY INTO AN ADEQUATE NATURAL OR MAN -MADE RECEIVING CHANNEL, PIPE OR STORM 0) Q : .IviTli fi, N l 01A8 TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS DISCHARGED INTO A PIPE OR PIPE Qt Z O PROFILE � � ' j ) THERE ARE NO SOIL STOCKPILES TO BE LOCATED ONSITE. ALL EXCESS MATERIAL TO BE HAULED TO AN APPROVED SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPE SYSTEM �F••••••jj � Q �3 � SITE WITH ADEQUATE EROSION CONTROL PROTECTION. SHALL BE PERFORMED. SNOW FENCE ;(d 3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE ALL RUN -OFF IS CONVEYED TO THE BIORETENTiON AREA, DRAINS INTO THE CONVEYANCE CHANNEL AND THE EXIST. POND. / v V w0 i PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED IN THE FOLLOWING MANNER: O W 7c� "9'I`''" ✓ � II 1 �- II GROU D 0 R IS ACH VED THAT� J411&4, MATURE H T SURVIVE AND WILL INHIBIT EROSION. � Z •-� Z 1 THE APPLICANT SHALL DEMONSTRATE THAT THE TOTAL DRAINAGE AREA TO THE POINT � -� O Q y` r CONTRACTOR SHALL ESTABU A VEGETA ON ALL DENUDED AREAS. J - +all ,tr?4J TI4) S: °?-ziSH,,R t F VE r r �" T� _J A ',t t• •. ��,.• 4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES OF ANALYSIS WITHIN THE CHANNEL IS ONE HUNDRED TIMES GREATER THAN THE ry I v1 4r Wk IiT'kJ� � I ra►1 O � W Q t -`� = - � i= INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND - DISTURBING CONTRIBUTING DRAINAGE AREA OF THE PROJECT IN QUESTION; OR „�,c ' �,w Q g ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. Z W L I ° 2 a NATURAL CHANNELS SHALL BE ANALYZED BY THE USE OF A TWO -YEAR BDARD FE "cE rw z `°` p�1 U Q 1 fir. -ti 4!IT C; , SEDIMENT TRAP IS LOCATED TO ACCEPT TH EENTiRE DENUDED AREA. DIVERT ADDITIONAL DRAINAGE FROM TRAP. () () .,� t �,." t 1- (. - II ' - Ik 5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS DIKES AND S 0 TO VE IF T S;;: f CORD FENCE ,��j� �C , O o _,'M° FLOW ��I _� t T RM R Y THA TORN WATER WILL NOT OVERTOP THE CHANNEL BANKS !� "V J j �' 12' "rll l`'s. . -� ' DIVERSIONS IMMEDIATELY AFTER INSTALLATION. NOR CAUSE EROSION OF CHANNEL BED OR BANKS; AND- PLASnc FENCE Q a CONTRACTOR SHALL INSPECT EROSION CONTROL MEASURES AFTER EACH RAINFALL EVENT. THE CHANGES IN RUN -OFF ASSOCIATED WITH THE DEVELOPMENT ARE QUANTIFIED IN THE HYDROLOGIC W Q r. 6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE ANALYSIS AND SUMMARIZED IN THE NARRATIVE. CHANGES ARE MINIMAL TO THE OVERALL HYDROLOGY SINCE CORRECT METHODS OF TREE FENCING O Z 0 U Y 1 - 3. ATTACH THE FILTER FABRIC TO THE WIRE 4. BACKFILL AND COMPACT THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. THIS IS ONE OF THE FIRST STAGES OF DEVELOPMENT DRAINING TO THIS POND. NI t � rh k� }`AIN>��,�E FENCE AND EXTEND IT INTO THE TRENCH. EXCAVATED SOIL DIVERT ALL OF THE UN- DISTURBED AREAS FROM ENTERING SEDIMENT TRAP. ' F? T �I � � 1 "Q 13,ENM>`tNT A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER DF IU �ft �a hl� r €iAPPIN a b'.EV,,ICE �, ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN P1 0 C T>e? THREE(3.0) ACRES, SEE SIZING TABLE FOR DIMENSIONS. V /r V y� c EIAN rB. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE TYPICAL Pll.�l WA TER WA 1 s. Cy Ln 1 T .fi 0 LL k ;I' SEDIMENT - W E S GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SE AR A �. - Q CROSS CROSS-SECTIONS S .�T T� w 0 1 „? tYla t� I1,�h 0 Alr,lr,�, }I.' � � � � ;It 1 � BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC � , , \�,y,�,rl � (� O) V N YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, 001 '/ +"�""°y" Z 4 y TQI, SED14'ENT II --i COMPACTED SOIL Iz F. u,. I r•,li .r. 1\ I r„ I,Ii Iii MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING ATWENTY -FIVE YEAR STORM OF .++ CORRECT TRUNK ARMORING LL) w O� 24 -.HOUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALCULATIONS SHALL •+r ,,, a, UJ � CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST - TRIANGULAR BOARD FENCE u FLOA' WHILE THE SEDIMENT BASIN IS UTILIZED. _ MATERIALS To TRENCH SPOILS TO Q FIL1C.8 G Q ll = A W -- l,' r - BE PLACED ON THE GROUND TO BE GRADED BE PLACED ON THE (t� SECTION A -A THERE ARE NO SEDIMENT BASINS PROPOSED. DIVERT UNDISTURBED AREAS FROM ENTERING THE TRAP. ! I _ .� HIGH SIDE OF TRENCH �+ Z I ' 7. CUT AND FILL SLOPES SHALL BE' DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE VIII - II VIII{ __ III _ _ {� - LOW SIDE OF TRENCH TO ORIGINAL CONTOURS 2 O { (( DURING CONSTRUCTION. AFTER BACKFILL DURING CONSTRUCTION, II - EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT TYPICAL CONCRETE LINED DrTCH TYPICAL. GRASS LINED DITCH O � d II I MEASURES UNTIL THE - STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEA RE NT L ii l u C 1111114 ' C . l tallCCl. „tll iY 111111111 11111 1110.11 Iiilll 'a cl ' EXTENSION OF FABRIC AND VMRE INTO THE TRENCH. A A A TYPICAL VEE CROSS SECTIONS TOP OF GROUND A 111111111111111 _,iIk i tt l' tal) X , ....:. t la, .. it • Y1 1, „ 1` ,' t�ir aclec ilatC' PROBLEM IS CORRECTED. SLOPE .., THIS APPLIES TO THE PROPOSED CUTSLOPE AND IMPROVEMENTS ALONG THE GOLF COURSE. T _ - -- -- - Oc�11kt1rit1a1C5lire. ��11�tCrllltl t1�e C11110tL1�:1 }`'fi'clill t1�e�enti'1e t�7,;1r FILTER FABRIC 8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN _ -- 11 llu�; ,u tu.l °ei<ut ra+w�luuiit X11:+ll>itt ��1n11 lie t�it;:l�t�.ur ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. - 11t 1111,; k lxlr c1r�111i; clitclle� t l �iriitClCC�1lsee,. p COUNTY P PER SITE RUN -OFF WILL BE PICKED CONVEYED W/ MAN -MADE DITCHES, CONVEYED TO NATURAL DRAINAGE SWALES. COUNTY SPECIFICATION II� 9. WHENEVER WATER SEEPS FROM iA SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL WIRE REVISIONS PAVED A I RACE _ ,�.f BE PROVIDED. PARABOLIC WATERWAY CROSS - SECTION THOROUGHLY COMPACTED TOP OF PIPE THERE ARE NO CRITICAL AREAS ONSIITE. FILL AREA TO BE FREE 12 r: aufiLr. 10. ALL STORM SEWER INLETS THAT ARE MADE DURING CONSTRUCTION SHALL BE PROTECTED SO OF CLODS, DEBRIS SOURCE: Mooted from Installation of Straw and Fabric Fifter Barriers for Sediment Control, PLATE. 3.05 -1 THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING MAY 21, & AC SA � FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. _ TYPICAL RIRRAP CHANNEL DIAMETER OF PIPE PER COUNTY & ACSA - STONE BEDDING AND COMMENTS INLET SHALL BE PROTECTED WITH INLET PROTECTION TO PREVENT SEDIMENT FROM ENTERING THE PIPES.. D BACKFILL MATERIAL TYPICAL TREATMENT - 11. BEFORE NEWLY CONSTRUCTED STORM WATER CONVEYANCE CHANNELS OR PIPES ARE MADE IN ./ ROCK CHECK DAM OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT - -� -- III« :` "'` "/� STABILIZATION BLANKET APPUCHABLE TO LTHE GC SLFANWATERI DIVEERSIONI AND TTHE CONVEYANCE CHANNELN TO THE EAST. PONDHANNEL. {IIIIImll II I - ( - - " 1 4 (6 IN RO(�C) NOTr:: CONTRACTOR MUST (SOIL l TRENCH WIDTH INSURE THE STONE IS 12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE NOTE. FOR DEPTHS IN EXCESS PER COUNTY PROPERLY COMPACTED, INSTALLATION CRITERIA FILTER CLOTH NOTE: ALTHOUGH FILTER CLOTH IS of 14 FEET, STONE TO EXTEND 2 ACRES OR LESS OF DRAINAGE AREA: ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST PREFERED, A GRANULAR FILTER MAY BE SUBSTITUTED FOR TO 12" ABOVE PIPE. SPECIFICATIONS ESPECIALLY UNDER THE EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR THE FILTER CLOTH. ( FOR PHYSICAL REQUIREMENTS, SEE STD. do HAUNCHES OF THE PIPE. SPEC. 3.19, RIPRAP CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS, EARTHEN FILL MAY BE USED FOR THESE STRUCTURES BEDDING BACIKFILL AND TRENCH ANCHOR SLOT 1' IF ARMORED BY NONERODIBLE COVER MATERIALS. TYPICAL CONCRETE CHANNEL SPOIL PLACE'ME'NT NOTES X THERE ARE NO CRITICAL AREAS ONSIITE EXPANSION JOINT A APPROXIMATELY 200 STAPLES REQUIRED 1� 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN INFORMATION FROM TABLE 3.32 -C OF THE VA ESC HANDBOOK PER 100 SO. YDS. OF MATERIAL ROLL ANY SIX -MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF (so' SPACING IS PROVIDED BELOW FOR SEEDING SELECTION ANCHOR S OTTSTTO BE BBURIIREDD66* TO 12' FILTER CLOTH NONERODIBLE MATERIAL SHALL IBE PROVIDED. TOTAL (OPTIONAL) THERE ARE NO CRITICAL AREAS ONSI•TE. pLuT o f 1Y MAX. 41 OR FLATTER 14. ALL APPLICABLE FEDERAL STATE' AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING • ' :'; ' ' _ 200 -250 LBS �, D �� �� � ,� �� � � ;� MINIMUM CARE LAWN �' 1g" - COMMERCIAL OR RESIDENTIAL 6• MAX. STEEPER THAN 4:1 _ I (DOWNSTREAM VIEW) LIVE WATERCOURSES SHALL BE -MET. °` o � JUNCTION SLOT I"- THERE ARE NO CRITICAL AREAS ONSIITE. A 90 -100 ✓,� DATE EDGE AND END JOINTS I I 1 I II 11 I I NOT TO SCALE #4 -18' DOWEL O TO BE SNUGLY ABUTTED 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE -�I 6 h - KENTUCKY 31 OR TURF -TYPE TALL FESCUE 0 -10� APRIL 05, 2013 CHECK SLOT VDOT #1 LOCATED AT JOINTS U (JUTE MESH WILL HAVE I I I COARSE AGGREGATE WATERCOURSE IS COMPLETED. 6X6 WELDED WIRE FABRIC TERMINAL FOLD STAPLED LAP JOINTIN THERE ARE NO CRITICAL AREAS ONSITE. IMPROVED PERENNIAL RYEGRASS 0 -10% UEU OF EDGE JOINT) I 16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN AS REQUIRED KENTUCKY BLUEGRASS Christo " er C. Mul an 1 I I D µ x- GENERAL SLOPE LAP JOINT 2" MIN. I FLOW 2•��` 1' ADDITION TO OTHER APPLICABLE CRITERIA: s w (3:1 OR LESS 128 LBS Lie. No. (JUTE MESH ONLY) I I I y T �. 3" DN. WEEP '0 031672 4/Q TAMP FIRMLY A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. $ ° ` HOLE, a' O.C. KENTUCKY 31 FESCUE 2 LBS �, SCALE ANCHOR SLOT 5' MAX. 4:1 OR FLATTER I I Y �a � j � RED TOP GRASS 20 LBS OAS �- S MAX. STEEPER THAN 4:1 I I I B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. SECTION A -A SAEASONAL NURSE CROP ** SS�0NAL EN 2' I TRAPEZOaAL WATERWAY CROSS - SECTIONS AS SHOWN I I C. EFFLUENT FROM DEWATERIING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN 6' TO 12" APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT SOURCE: VA. DSWC PLATE 3.17 -1 ** USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW: III I I I 2 -10 ACRES OF DRAINAGE AREA: I DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. MARCH, APRIL THROUGH MAY 15TH ANNUAL RYE I I I I MAY 16TH THROUGH AUGUST 15TH FOXTAIL MILLET CONTOUR INTERVAL 0CHECC SLOT D. MATERIAL USED FOR BACK FILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO SPACING BETWEEN CHECK DAMS AUGUST 16TH N TH ROUGH SEPTEMBER, OCTOBER FEBRUARY WINTERLRYE 2 FOOT I � MINIMIZE EROSION AND,P'ROMOTE STABILIZATION. TAMP CHECK SLOT 1" TO 2' FIRMLY -.-- E. RESTABILIZATION SHALL BEE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. FERTILIZER (10 -20 -10 OR EQ) SHALL BE APPUED AT THE RATE OF 1000 LBS/ ACRE. T_ VAR. VAR. 3- V F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. L = THE DISTANCE SUCH THAT POINTS AGRICULTURAL UME SHALL BE APPUED TO SEEDBEDS AT TTHE RATE OF 90 LBS/ 1000 SQ. FT. 2" 6' To 12• e' To 8' MIN PLAN VIEW FILTER CLOTH THIS APPLIES TO ALL UTILITY INSTALLATION OPERAT11ONS INCLUDING WATER, SEWER, POWER, CABLE OR GAS. A AND B ARE OF EQUAL ELEVATION SUGGESTED TEMPORARY SEEDING MIXTURE LO STAPLING DIAGRAM (OPTIONAL) -� 17, WHERE CONSTRUCTION VEHICLE AICCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS FERTILIZER: 10 -20 -10 1,000 LBS /ACRE 0 CHECK SLOTS AT MIN. (DOWNSTREAM VIEW) SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE _L ' STAPLE FORMED FROM N0.11 STEEL WIRE. So' c -c INTERVALS, SEPTEMBER- FEBRUARY 15: 50% ANNUAL RYE & 50% WINTER RYE 100 LBS ACRE ��( 8 STAPLE MIN. LENGTH FOR SANDY SOIL NOT REQ. D WITH ALL PAVED SURFACE. WHERE SEDIMIENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE THE / W Z 6" STAPLE MIN. LENGTH FOR OTHER SOIL 'COMBINATION "BLANKETS VDDT #1 � FEBRUARY 16 -APRIL 30: ANNUAL RYE 100 LBS /ACRE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE A B MAY- AUGUST: GERMAN MILLET 50 LBS /ACRE JUNCTION SLOT COARSE AGGREGATE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT L Q �- FIRMLY TERMINAL CONTROL DISPOSAL AREA: STRIEET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN OTHER OPTIONS EXIST, SEE VA EROSION AND SEDIMENT CONTROL HANDBOOK. �1 12' [TAMP FIRMLY j _ ^ � SOW 2•� 1� THIS MANNER, THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO `-- 1i �� �- �'` SUGGESTED PERMANENT SEEDING MIXTURE 0. �` LARGER LAND - DISTURBING ACTIWITIES, 0 _ _ N 2' CONTRACTOR SHALL MAKE PROVISIONS TO KEEP ADJACENT ROADS CLEAN FROM SOIL BUILD -UP. UME: 2 TONS /ACRE �/ T 6" TO 12" 2" 18. ALL TEMPORARY EROSION AND SIEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS i W j - T AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS FERTILIZER: 10 -20 -10 1,000 LBS /ACRE U >O Q I I OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. TRAPPED SEDIMENT AND THE Z CLASS I RIPRAP DISTURBED SOIL AREAS RESULTiING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE MARCH -MAY 15: KENTUCKY 31 FESCUE 200 LBS /ACRE, ANNUAL RYE 20 LBS /ACRE O a MAY 16- AUGUST 15: KENTUCKY 31 FESCUE 200 LBS /ACRE FOXTAIL MILLET 20 LBS ACRE cr PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. SOURCE: VA. DSWC PLATE. 3.20 -2 AUGUST 16- OCTOBER: KENTUCKY 31 FESCUE 200 LBS /ACRE, ANNUAL RYE 20 LBS /ACRE xJ c SOURCE: VDOT ROAD AND BRIDGE STANDARDS PLATE: 3.36 -2 SOURCE: VA. DSWC PLATE. 3.20 -1 CONTRACTOR SHALL STABILIZE SITE, AND OBTAIN INSPECTOR APPROVAL PRIOR TO REMOVING ANY EC MEASURES. NOVEMBER- FEBRUARY: KENTUCKY 31 FESCUE 200 LBS /ACRE, WINTER RYE 20 LBS /ACRE ca T Z B PB•1 CUT TOP OF GUT( EW E?1CAk.> R�1VE.ME1y7 PAY LIMITS FOR �5 t w � O NO PROJECTION OF PIPE ABOVE. AROUND LINE GUILEf.PIPE.rL! END-SEC iION 12" - 6q" PIPE ALTERNATE END - SECTION 12" - 64" PIPE U :U06kSE ELHO }i1TN 45° - U+3CRADE HUB END. Ufl OUTLET ENO- SECTIONS - GENERAL TOP OF FILL TOP OF FLL TOP OF FILL _ ,fTE.L DITCH LINE ELBnW / J: SPIGOT END ON INLET E[ID- 5ECTIOiI HUB END ON OUTLET END - SECTIONS: W 1. METHOD 'A',' PIPE. BEDDING SHALL. BE USED FOR ALL TYPES OF PIPE CULVERTS WITHIN THE SPIGOT END ON INLET END-SECTIOrI �f • J APPLICABLE. NO GHT OF COVER RANGE NOTED IN THE STANDARD PC-1 TPULE5 UNLESS co ..OTHERWISE NOTEO ON THEIPLANS. GROUND LINE H GROIN(D LINE :H. GROUND LINE H EDGE i }F'.'.PA'dEMAtT.... X ./'� COMBINATION D RDRAiN CD -1 AT LOWS TEND OF CUTS -- X xxx� r x l!N E R x 2. H - HEIGHT OF COVER MEASURED FROM TOP OF CULVERT TO:. FINISHED GRADE. - Z P r. R T TO CENTER L {NE SECTION tttAV�t tP#�ts r as - j i[{1 I � c °r +c E E BE � byµ CONCRETE TO .BE J. b,- EXGAYgTIOIN DEPTH AS SHOWN ON PLANS OH, TO FIRM BEARING. $OIL; /I! (/ !// !/ - �� ! • _:; ., �: t .I - ., +' I-. -- : 4000 PSI MINIMUM _J. E - -E 4000 PSI MINIMUM O W ROCK OR ! tWIfHTYT:E ),xEL.EGT.r..,AtEf(ALl. -_ O m D.• @" EARTH p,t2„ SgLELDINO pat„ E7RTH _l r / i CIRCULAR' PIPE / d d..' 4 D/2 C 4„ L D - OUTSIDE DIAMETER. OF PIPE. BEDDING TRENCH. PLACEMENT EDGE OF PAVVEMENT •--- -, PAY LIMIT FOR ``� _ �-- 1 Q MATERAL _ 'OUTLET, PPE.. TO PLAT`I \, J / d.- INSIDE DIAMETER OF PIPE. .. 2 s � 6 SHCU aEH LINE .. ,. BEGW WITH 45 PLAN 3. X WIDTH OF CLASS I BACKFILL MATERIAL: BEYOND THE EXTREMITY OF THE PIPE. - MN. 1/10 D - ;X- - -�- PAVEMENT SURFACE & BASE' : ELBON MW. 1110 D MIN. 1/10 D I ) fQE GF FILL X •. 12'.', WHERE d IS LESS THAN 30 ". - BEDDING I „ _ I - BEDDING I I o P or Cq : C �" B1 _ DIAMETER X 15 WHERE d, IS 36 AND GREATER, X 0 % +rt ,MATERIAL /x PER X . D K. MATERIAL -�.1 X . D %'4+E o q c C+ _ a 4 q' c >• ? 'ter ^• - SUBRA E � DIAMETER OF ,PIPE j ■ 1'OF H a d 00 EW °12- C -- {.�� B- - GF PIPE. 4. WHERE DIRECTED BY THE. ENGINEER.BEDDING..MATERIAL MAY:. BE ELIMINATED. FOR. 'B "•„ i FOUNDATION SOFT, YIELDING OR '.,`,'; , ' ' , ' , -` - ��/ (TYPICAL) I NORMAL EARTH FOUNDATIONS UNDER ROUTINE" ENTRANCE PIPE (EXCEPT PLASTIC PIPE) MAX, 24.a °• A%o o °•o 'og4U "'� "- "•'ELECT M. gT£RjAL. T(PE IQR4( -p -4, - Ell� 3''p)FO , 3,r.S OM - 30, AND LESS IN DIAMETER WITH HEJGHT'OF COVER 15"OR`LESS. NORMAL EARTH FOUNDATION ROCK FOUNDATION OTHERWISE UNSUITABLE MATERIAL ,- `� d /ll - 5. REGULAR - BACKFILL MATERIAL MAY BE USED IN LIEU OF CLASS. I BACKFILL MATERIAL FOR '. 7 AGGREGA #C, #B AGGREGATE Oft CRU HEO � STEEL FABRIC REIORCFMEIJ1 ALL FOUNDATION TYPES FOR ROUTINE ENTRANCE PIPE. (EXCEPT PLASTIC PIPE) 30 ' AND. !.- :a uss MEErw #a aRaa7nrloN REptJdikl�QNTS, PLAN VIEN! � _ _ A LESS INDIAMETER WITH HEIGHT OF COVER 15 OR LESS. PIPE PROJECTION ABOVE GROUND LINE -CEOTE %TILE OftPINAGE FAEiRIC N A - O LDER (PL,ACEMENT OF CD 1 COMOINATION U DERDRAiN� `-- 7 6. BEDgINC MATERIAL AND CLASS I BACKFILL MATERIAL'MAY BE ELIMNATED FOR SH U I MIN• 1.5 x D 1 MN. 1.5 x D _I MIN. 1.5 x D MIN. 1.5 x D MW..:1.0 x. D.. MW. 15 M D� 1' SLOT INLET (01 -13) OUTLET PIPES INSTALLATIGNS. '� �'4 r". _- ELLIPTICAL PIPE TOP of FILL TOP of TILL TOP of D OR PAY �iIIE e END VIEW T T 1 I� "1Y. LINE E _ 1. 51 OUTSIDE. SPAN DIMENSION OF PIPE'. N- '. H. -``H _ - - Cr I' SEION X -X END VIEW SECTION X -X r _ - ..�t---- PAVEMENT SUBEACE 6 BASE Q 2. S2.: ` INSIDE SPAN DIMENSION OF PIPE. %%' . ] %��� END TVOPJ DIMENSIONS `a-`s a- - -d-- - SUa0ASF .OR CEMENT` 3TABILVED SUBBASE SEC END SECTION DIMENSIONS 3. R. •,OUTSIDE RISE DIMENSION OF PIPE.. ! !! r /r!! „. !ililiririi - , .... cY. R 4 t.1 4? O o PIPE. DIAMETER A B C D. E PIPE DIAMETER A D G q E J 4. X WIDTH: OF .CLASS IBACKFILL MATERIAL BEYOND THE: EXTREMITY OF THE: PIPE. D 12 R .... „ / !! /! /I//! ,_ '7- .. .:.: ....: ; „q.,...: `. .i T 3. TYPE'S CR..SU 'R 12Y 4' 2`,O" 2 _0'• _0 ,.. 2' -0' 6'_ " n ,': '_ " r GOUND, D•12..- GROUND .,!! / /l /r/ rl!! / /!rr .GROUND ,At ,,..a•o•ia. . +.., -t ,.... o- a. -.:.n. q..cx: SELE(rt ,l A.):fi A±.r. t6 .t�D£ .. 4 12 4. _ O. 4.1 6. 1. 29 X 12" WHERE S2 15 LESS - THAN 36 °: d - LNE 4 _ /r / //l LINE 4 -L,.IE i •O o -o -o : o ...... o . .. U ..o o (CEMENT DR LIME :a TRBiLIZEO): 15! 6' 1:-3 _V9 - 4' -o,, 2r -6" 15' 6' •r_3" . 3'_10 5'_1" 2`. -.8" X 18" WHERE 52 IS 36" AND GREATER- _ D /z/ - = /r /rr! - �,,,' 5. WHERE DIRECTED 8'Y "THE. ENGINEER'.. BEDDING MAI ERIAL. MAY BE ELIMINATED: FOR - D/2 DL2:; - 18" 9" 2' -3" I' -9'+ 4' -p" 3' -0" ill. 9". 2 -3" 61 NORMAL EARTHFOUNDATIONS. UfIDER ROUTINE• ENTRANCE PIPE WHERE 5, IS 38 OR �-'- A57 AGGREDATE,.. #B AGCflEGATE GR. CEtU5iiE0, .91 ;, 2,_ 2'- ,. „ - ,,: „ _i / _ _. it _ 1 _.5 -A :.. 3 6 .. 2. 11 3'-Z' LESS AND HEIGHT OF COVER, 15' CR LE55. R '*-ROCK / GEOTE" LE CLASS MEETING . #8 GRADATION REQUIREMENTS° 21 9 • EARTH, . OTt DRAINAGE GENERAL. NOTES 2. }" 9 �, 3' -7" 2 -fi "' fi' -1" 4'._°" 2.3: 10'r _. 3' -7•' 2',8" 6' -3" 4' -0" 6. REGULAR: BACKFILL MATERIAL MAY BE U5E0 IN LIEU OF CLASS' I BACKFILL. MATERIAL FOR - - 4" - UNYIELDING 1= pF3RIC - ` >. " - 27' 1Ui'a "- '4' -p" 2'-1" fi'-1" }' -6" 27" 101/2" 4'-0'I - 2'-4 SS D.. MW. 1 /IO D, ~ 1 O �•�z -- z iyi , ALL FOUNDATION. TYPES 15' Q FOR ROUTINE: ENTRANCE PIPE. WHERE. S2. Imo. 38 OR LE AN MN, V10 I BEDDING SOIL ,� ' . ' 30 , _ ,,. ;, , -,,, HEIG OF COVER t5' R LESS. X ,, D 3►1 K MN, 1/W D: _ 1, .LOCATE EAT [. IS FQ I( ATED, CfiM9iNATIUN BAND 50 G WI# L NOT BE 1 0 i 6 .3 n 6. 1 5 0 30 0 4 6 7 n H7. QYE G. 1�'- MATERIPL X D X BEDDRG EMTN .L(TCj4TEi1 AT INIa PQINI WI1kK. -89 Ttf SUT,1 #Ab. h. iWt� '�U4'RAf1E PRC'$TFSiiLtLED. 33" 1'_t1 /z" }'- 10�/i, 2'_31/,, . T -.1�„ S -Ba. 33' "_tI/i" '4 "-10'/" PIPE ARCH 7. PER BEDDIER ICI NATERUL 6.0„ 36„ 3„ 5.3„ of "H FOUNDATION SOFT, YIELDING, OR 2. rt EriCN SHALL BE. FILLED WITH AGGREGATE AdTD Tr€RO3GHI Y }YMU, TAMPCO TO 32" 1'-9" 5'-3" m -11" e-2"' : 6'-.6" 42" I' -9" 5 -3" 2' 11'.'. 8'-2" S •SPAT( DIMENSION OF PIPE, NORMAL EARTH FOUNDATION MN. a ROCK FOUNDATION INURE COMPACTNESS. as^ 2' -0" 5' -0" r -z" a -2 7' :O^ a6^ z' -o 6' -D" z -2" 2. R : RISE DIMENSION OF PIPE M sT" OTHERWISE UNSUITABLE MATERIAL " 7'- ., FILE NUMBER 3; e -SEE PC-1 TABLE FOR APPLICABLE PIPE MATERIAL _ : },� ......C.. ey... 3. QUILET PINE SHALL BEGIN AT THE EDGE OF THE TRAVEi..LANE PAVEMENT 'AND. 54" ?' -3" 5' =5" 2' -91 8'- 2 /, -D" . 54" 2 3" 5' -.5" 2'-11'.' 4 4. a WIDTH OF. CLA5S'. IBACKFILL MATERIAL BEYOND THE EXTREMITY OF THE PIPE. " -' .NON PE»RFORAT. D OUTLET PIKE S). 59 0 . N ... , •_ �� ... , . .. 8 6 SHALL BE - PLACED. ON .A GRADE PARALLEL TU. THE ,1.tDY,.DER _ PE -.2X ti,I L 13 •L 6tl : 1 11: 5 0. 3 -3'.' 6` -3 e' -.0 "60" 2' -6" 3' -0" '3' -3 ". x - 12:: WHERE. SZ IS LESS THAN 36". DEStitA6LE) GRADE,, LENGTH CF PIPE ® BEDDING MATERIAL IN ACCORDNJCE WITH c ..- _ _ P: , .,. _ -.. 8" WHERE Sp IS 36' AND GREATER NOTES - SECTION 302 OF THE ROAD AND BRIDGE 5^ WHERE .DIRECTED LJ THE .ENGINEER @EDpING MATERIAL MAY ©E ELIMINATED. FOR. ' _ - 4, ,DIN CURB AND GUTTER SECLON S. WHERE IT IS IMPOSSIBLE TU. QTHERWL5E VR0YcE PAY LINE D ENTRANCE PIP WHERE s- 3 " 0 SPECIFICATIONS, FOR PLASTIC PIPE, THE LOUTS OF THE CLASS BACKFILL MATERIAL SMALL BE, CRUa}iNv..aTRENGTH ,. S NORMPL EARTH FOUND GO ER: U[ ER ROUTINE ENiR E .....E 1 5 5. 13 CLASS I B " . T'fPE OF PIPE. OUTLETS T' {}T{ (}NO�.RDfSrVNSI.THEY ARE 10 BE LOCATED aO. Aa.. Ip DHA1N INTO DRti P SHOUT DER- - Q LESS AfJO HE HT COVER i5'OR LESS. ON 302 MATERIAL OIN ACCORDANCE EXTENDED T0.12 ABOVE TFtE TOP OF TF1E FIDE - C © NOTES; 8053 WITH SECTION 302 OF THE ROAD AND BRIDGE W.T. 4" N M. DIAMETER W.T. B "�NriiM. GIAMETE . IfiLETS �Qfd MrijVti+Ji.E:S; ' 6- REGULAR: BACKFILL MATERIAL MAY BE USED IN LIEU OF CLASS: 1 9ACKF4L MATERIAL FOR SPECIFICATIONS, FOR. GENERAL NOTES ON PIPE BEDDIN SEE NSTALLATION OF.PIPE CULVERTS - - �. ,. �, _ - I 5 uJD 0 SE 5 GENERAL NOTES'GN SHEET 107.00. SMOOTH. 'HALL RV .143 0.153 - 5..ON SLPENELEYATED SE(.T1ONS TRENC(t fS: T4 Bf UNDER ENTIRE PAVEMCNT.AREA. PIPE LENGTH SH04VN ON PLAN ARE ALL FOUNDATION TYPES FOR ROUTINE ENTRANCE PIPE. WHERE. S 5 35" OR LESS p� �] REGULAR BACKFILL MATERIAL. N ACCORDANCE AND ST.RM WER ` ^`'�- BASED ON END- 5ECTCH DESIGN "SHOWN HEIGHT OF COVER 15 UN: LESS. .L� WITH.SECTION. 302 OF THE ROAD ANO BRIDGE SPECIFICA .CRUSHED GLASS CONFORMING TO THE SIZE REDUWEMENTS FOR:. CRUSHER RUN SMOOTH WAu F'£. '70- F'S4 )fi'E3F "7D, PSI )F7'f}E W1TH:OiJIL£T PIPE ON LOW SIDE ONLY,:: �"- :OrJ THE LEFT., IF 'Tk)E CONTRAL'TOg ELECTS S` .AGGREGATE SIZE 25':'A D 25 MAY BE. USED W PLACE OF CLASS 1: BACKFILL. -- ` "° `- - c ' ` ' • TO USE THE ALTERNATE DESIGN SHOWN' ON ® EIIBANKNENT 6, IN'1ERr ELEVATION AT OUTLET END OF "OUTLET PIPE TO BE A MINMUM OF Y'-O'" ABOV.E THE RIGHT. LENGTHS WILL BE REOUCED 8 INVERT ELEVATION, OF RECEIWIC DRAINAGE UtTQ1 QH STRUCTURE, CULVERT N - - THE, DIFFERENCE IN DIMENSION "D". :SHEET 1 OF 4 7, :ALL. CONNECTIONS (ELBOWS, W'(ES, ETC,) WITHIN PAY LIMITS FOR OUTLET. PIPE ME "I.D $KCIRCATiON, sFrFCM1or, k WAa_1; THICKNESS 004) INCHES'. BE DF fHE SAME- 4RU5HINU STRENC.T11 AS THE OUTLET PIPE. REFERENCE IEtFff10E INSTALLATION OF PIPE CULVERTS AND STORM SEWERS �XX TESTED ACCORDING 1G ASTM, D -2412 AT 5x DEFLECTION; INSTALLATION: OF PIPE CULVERTS AND STORM SEWERS _ �� �� B, QuTCET PIPE r� BE SECURELY CONNECTED TO ef{•IZnH OTHER DRkiNAt,,E SLOPE DETAIL GENERAL � 302 302. CIRCULAR PIPE � BEDDING AND BACKFILL METHOD A ,frR�CT�F <E. SPEGIFIGATIGN NEVt.i /04 GLN.EIIAL.. NOT E5 � REV B/p7. � .. _.... ._.. ....._,. .. ..- _ REFERENCE ., �II II - . 3D3 30� vRf XNIAoEPART'+ raF7ITANSPDRTAnoN.PECtw'1cArtON FLARED END-SECTION FOR . 12''-60'' CONCRETE P1P'E C.ULVER�'S. SHEET 1p7.00 VIRGINIA DEPARTMENT OF TRANSPORTATION 107.01 - - - - STAND•�'' �j©� /r�OMB{�IN T O i (�(�} r I REFERENCE 302 REV - . 7101. ARD ,V��WiN 111 l°+wJN VN�El11dI ♦A`M VIRGINIA UERART MENT OF TRA1JSf?OfiTATION 90201. (AT LOWER END OF CUTS) 10 OF 13 T106 8107 701 10$,0¢ VEtGIPUr1 DEPARTMENT OF TEiPNSPGRTA7tON oL0 TRaL- eosa',BLOCK 36=PLANDEraL.s.OwG �� WORKSHEETA DGN BY: ccm Note: Buffer reduction should be.substantiated by additional phosphorous remo\ral computations. Lr = Lrp + Lre Lr = 1.93 If an existing BMP is utilized, an "as built" design must accompany this worksheet with justfication that, the design meets acceptable BMP design standards. BMP DESIGN OPTIONS VOLUM E DETAIN VVET MARSH REMOVAL TOTAL CONTRIBUTING DETAINED . I 'VrREQ'D TIME(HRS) VOLUME VOL.(D-12") PERCENT I M P (%) AREA VOL. RE(XD , , Retenbon � ... , ", ­­K�.()��]���]�m� ­­ : ......... , - ......... - _­14. , - ......... , , :::: Basin It `.`.`.,.`.....,.`. . �i�0'6'."`."' i :A:::-::J:: 12283 � ­­.. � .1 ....... - _ im � ­ ::........... - ...... � .... :�.".":��.��,:�"�.."..��.���!.B.� . � I..-.-.-�.-.�.-��..,.,.......,.� ..................................... IIIIZ n/a 50 �8 4.36 12283 100 YEAR FREQUENCY FROM I ROUDABUSH, GALE & ASSOCIATES, INC. ROUDAB USH, GALE & A SSOCIA TES, INC. STORM SEWER DESIGN : . � ; : I I : : � � I I 10 YEAR FREQUENCY RAINFALLI 10 YEAR FREQUENCY INVERT1 ENGINEERS, SURVEYORS AND LAND PLANNERS LENGTH SLOPE ;� : I , I .1, 1. " '. _1 ­1 . ill - : I :PROJECT NAME - 10 LD TRA ILV ILLAG E, 2 9A & 3 5A . . ENGINEERS, SURVEYORS AND LAND PLANNERS CAPACITY VELOCITY : � 1, - ­­_­­­­ . I � ­­­_­__­­­ - ---- . PROJECT 9: POINT PTO CINT 914 MONTICELLO ROAD - CHARLOTESVILLE, VIRGINIA 22902 i , . I : ____-, ..... .... . 1­1_1­1.1 - ­1111 � I ­. "I I I—— ­­1 11 "I � 11 I I .1 11-1111 ;_ � ­1_111­ PHONE: (04) 977-0205 FAX: (434)296-5220 ; : . � ; � ___ -,- " _ � _ _- �, __1 - ­ I � ­ I ­ �- . 1­1 I I I'll � I ­ 1. 1�1 " """'F, , , " : : - I 11-11 I : i__­ : , I I I—_ I - , MINUTES INIHR 914 MONTICELLO ROAD - CHARLOTESVILLE, VIRGINIA 22902 CFS I LIPPER LONER Phone: (434) 977-0205 - Fax- (434)296-5220 - EMA IL INFOA,ROUDAB USH. COM % I INCFES I CFS F.P.S. 1_1­1.11 ___ !=m 4 Z ,. I : . min I 9 Phone, (434) 977-0205 - FaK. (434)296-5220 - EMAIL INFO(gROUDA ................................ ..... � .................... ....... ......... � ............. I .......................... a : ....... ............... ... � .......... . . . ........ � .............. . . ....... NAME.BLOG.K.35 ........... 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I _­.­1�1111. ­.........J ... � I � � �, _­­.. � 11 _ - ''.. I . . CALCULATIONS 1 I i .. . ......... ­­..-;­i I t � � I ? � A � ­_.!.__.. 1 i I I 4 , - _1__ I � : 11 t i _ ... ... _ "....". '', � I I I i ­ . � . I , I I I Qutfall #1 - 4+00 I., I � Area � 18.26 ac i , � � i � I : 0 V alue I I � I � � I � I i I � ; . ITirne of Concentration :: I I i � I ­._­ � I - I I I . .1 ­ I I . , . . I I I'll : :­ : I I �: � _____ _ - �, _ _._____ �__ CA= : 7.70 1 � I ''I "I - - I I 1 . . . :1. I . . I 1. I . . . I I.. I . I ­ I I . .. 101.80 ­ I I 1. �. � I " , ,-,,,. - ,..­­,­r,_­­­ � ac.= 1 59,15 ,%@ I 0.35 C = 0,2,L � 11­­­­­ � 1. . - � � 300.00 ft OLF(a� I _____+___111_,___ 5. %= � 00. ... .... ___,__,_, 17.45�min 1 A9 I I ... I I � I I . I I � ­ I . 11 ­ � � . I 1. I I ...� � I I . . I �. � ­­­_1­111­ Tc = . .... ... .. __ . ...... 20.45 ­111 - I 111­11111111f, -1111, � ­­­ I .... I 1- 1.1111.11, 1- ­ I ­+1- I � � . I .1. I_. 1. � : :_:: . 1: :: .1 �.., I �.� :�� :� �, :� 1:10 �.11111.1_1 ­­L 111_1 .____..m_ 1_­ __1111 ae = � 6.024 1%@ , __[ 0.35 C = I ______.,�­ Q.02 . ..................... " 11- ­­­­-��_ i;. I I 0 .11 I 11 I I � ,6 0A, ft CF @ � _'. - , ­ 0 . ..... �­­ I �8�00 �"=, 1, ,I � " ­­ ' � 'i00'min__'_' . 4,0 I I .1 1. . ­ I . 11 I I � . I I I . I 1.11, . 11 - I 11: � I I 12 = I ...... ­­­­ ... ­ -I 2.94 11 ­­ � hi/hr ,92 = i I ... ... ­.­ I I ......... . .. .1111.11. .......... . ... ...... .. I 22.61�cfis ' : � . �. I 1­111. I 11 ­1 ..... ... I ­­­ 1.11, ...... .. . .1 I I � � I.. : � -_ . � 7. _ I : 2.'35 I 11 ... I.. 11.1 ... ­­1 ... I— �­ ... � ....... . I .. . ...... ­­­ I ac = ; 12,87 �%@ ­­.­­­­ ­­­ � * : 0.52, C = I , * " 0.07, , - I . I 1-1 : I �; ft CF @ , : . .... ­­.... .... . I . I � .% = ' ..... _ .... _ . .. .. .. .... .. .. ........... � ... _ _ � min O� 103 . I 11 1. I'll . � I 11 "I I . I I—- 1. � I I I 11� : ; �. � . � � . . , �:,� I 1110 = . 3,93 1 - inAir Q10 - I I � 30,21 1 efs : ... I I—— I I � ,�,:�:::� ­ :p: I I :-:� � Q.137 ..... _ .... * . F ac = 2.026 J%(&! , I _ - . .... I � 0.54 C= I ,,, � � I .. ­­­ . . ..... "I'll, 1� 0.0 � I.. - � I 1 � � � � �Tc = � - 20,45 � min .......:.:.:.::.:.:.:.:.:.:;.:::::.::::.:::.:�:i:: :?,:, .... ... . I - &.9'...,-...:..:..,..Q.5. ...... . *221 ­ �.­:-,:. .... ­ - X..:._.-.._­.-... 4­1 � �­ � I I "... I 1. � I I . � 1. I � � ­ I . ., I 11 Ili - � .. 11 ! �. ,�. 2.. . I . I . .1 I .� 1 1. I---"--- ­ 125 = - 4.43 � 11 ­111- 1. I., I - __ - . ...... .. ­­­­ iti/lir Q25 = �� � 1­­_..111_._______ 37.48:cfs, � � I .. 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" '. _1 ­1 . ill - : I :PROJECT NAME - 10 LD TRA ILV ILLAG E, 2 9A & 3 5A . . : ; I I I 1--11--11-1-111-1-11 ---- 11______ ­111 I ­11­11. � "Ill., - ­11-11 ­­ ____` � __._i_­­_­_­_.,_.­ � . . I . ; CHARLOTESVILLE, VIRGINIA 22�902 . . . I . : ; I i 1­­­­ : : � 1, - ­­_­­­­ I : ....... I � ­­­_­__­­­ - ---- . PROJECT 9: ­ _.... i8503 I -15.001 �______ . I : ____-, ..... .... . 1­1_1­1.1 - ­1111 � I ­. "I I I—— ­­1 11 "I � 11 I I .1 11-1111 ;_ � ­1_111­ PHONE: (04) 977-0205 FAX: (434)296-5220 ; : . � ; � ___ -,- " _ � _ _- �, __1 - ­ I � ­ I ­ �- . 1­1 I I I'll � I ­ 1. 1�1 " """'F, , , " : : - I 11-11 I : i__­ : , I I I—_ I - , � �- I 1­1 I 11 - 111­­b­.1 -111,11.1 . I - I----,:--------- . . . - __ __ 1!lylay 9, 20,13 OA9 __ . _ � ... � __ _ � � , � __ I : . � . I : I . . . . i � I : i ; . . . � ­1 ..... 1­_1_111­1-111­_____ ...... . ­11111 ___1__1_11_ 1- 11 .1, _. 1.11.1-1­11 .......... __1­11­­­­11­­_11 ____.- ________­1_.1_1­ . � . . . . . I T . � 2 . 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( .!�jPA6Y§H,GALE AND ASSOCIATES, Date: 05107113 1 ..... � ....... � .. ..... � .... _ .... ­ ... � ... . .................. ......... ­ ... � ....................................................... � ... .............. ­ ... I ...... . ­ ..... ­... ................. I ...... I .... I ... ... .... � ... __­ ..... I ........................................ � .......... � ..... � ........ ­­­ .......................................... . � .... ­.....­­ .... I—— .Project Drainage Area Designation . Blocks 35A. & 29A ol�- 1 . 6TH op P4 ... ­­­­ . . .............. � .......... � ... __ . . ....... .... ­ .............................. � ..... ­­­. � . L storf,n,poll4toiitexpQ,rt.,�n,pouiids, L=.[P(Pj) /12,1[ (A)Z-.72 4SM' 4;A , .., Ry q I * I I Rv mean runoff coeMcient, Rv = O.Q5 + 0,QQ9Q) _* . 11.1 I 0 pi Small storin� correction factor, 0.9 U -41 C., 10;1 I percent imperviousness _-yX42-1 , , ­ P annual precipitation, 43" in Albemarle - �. I " , � = ........... � ­ i hristopQ C. 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Z Q () ft < U) X (6 C.) �3 I I a J ,0_ , ft � j C) co::�. 0 01% Z Cc :) 0 co 0 UJ Z Cc _� 0 LL I _J - LO CA �:) �, (0 LL Z 0.% UJ 0 0 C%J 9 C C L - U rc CC . �i 1� 00) LIJ '- LU -M 4 - ?. .. ill 'It!Q T_ 0 B (5 Z w Z 0 a: C LU a. P4 �,_ % J I I REVISIONS MAY 21, 2013 COMMENTS 11 ______11 DATE APRIL 05,2013 \_� I SCALE AS SHOWN 11_���� " -------------, CONTOUR INTERVAL 1 2 FOOT _� - 11 ----------- "I FILE NUMBER 8053 � L________J�] 11 _______1_1 SHEET 11 OF 13 1 ,-� I Lo __, (0 w Co Z .J 06 Z OUL < � - 0 �- 0) Cq CL < ft Y Z F- (L 0 0::) < W2 OP .J 0 Oir 0. (9 � w .) T Z Z < :05 (5 �. o �.. 0 � � C/) Z (/) 0�2 � J . 0 � aw M _J >o.j < ) F- j :�<<T .j ft Z CC 0 F- � UL Q w a J >- �,_O_ T C)d ----------/ I 11 ----------- "I FILE NUMBER 8053 � L________J�] 11 _______1_1 SHEET 11 OF 13 1 ,-� I I EROSION AND SEDIMENT CONTROL NARRATIVE PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO CONSTRUCT TWELEVE SINGLE FAMILY DETACHED DWELLINGS, UTILITY SERVICES AND ROAD FRONTAGE AND SUBSEQUENT INFRASTRUCTURE. ALL EXISTING AND PROPOSED RUNOFF FROM THE DEVELOPMENT WITHIN THIS SECTION WILL OUTFALL TO PROPOSED TEMPORARY SEDIMENT TRAPS. AFTER THE SITE IS STABILIZED, THE TRAP WILL BE CONVERTED TO A BIO- FILTER, AND ULTIMATELY WILL OUTFALL INTO A LARGE EXISTING POND, LATER TO BECOME A BMP. A CLEANWATER DIVERSION AND DOWNSTREAM CONVEYANCE CHANNEL SHALL BE IMPLEMENTED AS THE FIRST STEP TO DIRECT OFFSITE GOLF COURSE RUNOFF AWAY FROM THE SEDIMENT TRAP. ADDITIONAL DIVERSIONS SHALL BE INTRODUCED TO CAPTURE RUNOFF FROM ALL DENUDED AREAS. THE SEDIMENT TRAPS SHALL BE INSTALLED PRIOR TO ANY GRUBBING ACTIVITIES, AS SHOWN NEAR THE TEMPORARY STORM SEWER OUTFALL LOCATION AND NEAR THE FUTURE ROAD INTERSECTION. THE SEDIMENT TRAP #1 OUTFALL SHALL BE DIRECTED INTO THE LOW AREA WHICH DRAINS TO THE EXISTING POND, WHERAS SEDIMENT TRAP #2 OUTFALL WALL DRAIN DIRECTLY TO THE EXISTING POND. THERE ARE APPROXIMATELY 3.8 ACRES ARE TO BE DEVELOPED, WHICH INCLUDES ALMOST 6 ACRES OF LAND DISTURBING ACTIVITIES. EXISTING SITE CONDITIONS CURRENTLY THE DISTURBED AREA IS MOSTLY OPEN AND GRASS COVERED. THE CLEANWATER DIVERSION SHALL DIRECT UNDUNUDED AREAS AWAY FROM THE LAND DISTURBING ACTIVITIES. THE SEDIMENT TRAPS WILL RECEIVE ALL THE STORMWATER RUNOFF FROM BLOCKS 35A, AND 29A AND ARE BOTH SIZED FOR 3.0 ACRES MAXIMUM. BLOCK 35A SHOULD HAVE ITS RUNOFF DIRECTED INTO SEDIMENT TRAP #1, WHEREAS BLOCK 29A PRIMARILY DRAINS TO SEDIMENT TRAP #2. THE INSTALLATION AND MAINTENANCE OF THE DIVERSION ALONG THE R/W IS CRUCIAL FOR REDUCING THE RUNOFF TO SEDIMENT TRAP #2 DURING GRADING OPERATIONS. THERE ARE ALSO SMALL PORTIONS OF THE ADJACENTLY GRADED AREA THAT DRAINS TO THE DEDIMENT TRAPS. THERE IS A LARGE EXISTING WET POND LOCATED AT THE OUTFALL OF THIS WATERSHED. ULTIMATELY, IT WILL BECOME THE FUNCTIONAL BMP FOR THE ENTIRE DEVELOPMENT WITH IN THIS WATERSHED. ADJACENT AREAS OLD TRAIL DRIVE FORMS THE WESTERN BORDER, TRIBUTARIES OF THE LICKINGHOLE CREEK LIE TO THE NORTH, AND EAST. BLOCKS 29A, AND 35A OF OLD TRAIL SUBDIVISION LIE UPLAND TO THE SOUTH. OFF -SITE AREAS NO CONSTRUCTION OUTSIDE THE LIMITS OF CLEARING AND GRADING SHOWN IS REQUIRED. ANY SURPLUS OR SHORTAGE SHALL BE BROUGHT TO OR OBTAINED FROM A SITE WITH APPROVED E &S MEASURES IN PLACE. ALL EXCESS MATERIAL SHALL BE HAULED TO AN APPROVED SITE WITH ADEQUATE EROSION CONTROL PROTECTION. SOILS 513 BELVOIR LOAM - 2% TO 7% SOIL IS DEEP, GENTLY SLOPING AND SOMEWHAT POORLY DRAINED, AND HAS A SEASONABLY HIGH WATER TABLE. SLOW PERMEABILITY WITH A LOW - MODERATE WATER CAPACITY. GENERALLY SUITABLE FOR ROAD FILL MATERIAL. SURFACE RUNOFF POTENTIAL IS MEDIUM AND EROSION HAZARD IS MODERATE, WITH SOILS HAVING SHRINK -SWELL POTENTIAL 25B - DYKE SILT LOAM - 2% TO 7% SOIL IS DEEP, MODERATELY SLOPING AND WELL- DRAINED, AND IS IN HYDROLOGIC GROUP B. PERMEABILITY AND WATER CAPACITY ARE MODERATE. SURFACE RUNOFF AND EROSION HAZARD ARE MEDIUM. CRITICAL EROSION AREAS NO CRITICAL EROSION AREAS EXIST ON THE SITE. PARTICULAR CARE SHALL BE TAKEN ON THE CUT SLOPES AND DITCHES TO ENSURE ADEQUATE VEGETATION IS ESTABLISHED AS QUICKLY AS POSSIBLE TO MINIMIZE EROSION. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, LATEST EDITION. THE MINIMUM STANDARDS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL REGULATIONS SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. STRUCTURAL PRACTICES 1. TEMPORARY CONSTRUCTION ENTRANCE (33.Q - A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE INSTALLED WHERE THE ACCESS ROAD INTERSECTS WITH CLAREMONT LANE.. 2. CONSTRUCTION ROAD STABILIZATION (3.03) - ACCESS ROADS, PARKING AREAS, AND OTHER ON -SITE VEHICLE TRANSPORTATION ROUTES SHALL BE STABILIZED WITH STONE IMMEDIATELY AFTER GRADING. 3. SILT FENCE BARRIER (3.05) - SILT FENCE BARRIERS WILL BE INSTALLED DOWNSLIDE OF AREAS WITH MINIMAL GRADES TO FILTER RUNOFF FROM SHEET FLOW AS INDICATED ON THE ATTACHED SITE PLAN. 4. TEMPORARY DIVERSION DIKES (3.09) - A SYSTEM OF DIVERSION DIKES TO DIRECT FLOW INTO THE SEDIMENT BASIN WILL BE INSTALLED AS SHOWN ON THE PLAN. 5. TEMPORARY SEDIMENT TRAPS (,x.13) - A TEMPORARY SEDIMENT TRAP IS TO BE CONSTRUCTED WHERE THE TEMPORARY STORMSEWER OUTALL PIPE IS TO BE LOCATED( #1). SPECIFIC DIMENSIONS OF THE EMBANKMENTS AND SPILLWAY ARE SHOWN ON THE EROSION CONTROL DETAIL SHEET. ACTUAL LOCATIONS AND DIMENSIONS OF THE EMBANKMENTS AND SPILLWAYS ARE SHOWN ON THE SITE PLAN. CALCULATIONS FOR THE SEDIMENT TRAP ARE SHOWN WITH THE DETAIL. 6. STORMWATER CONVEYANCE CHANNEL (3.17) - A SERIES OF CHANNELS SHALL BE CONSTRUCTED TO PROVIDE FOR THE CONVEYANCE OF CONCENTRATED RUNOFF TO A RECEIVING CHANNEL WITHOUT DAMAGE FROM EROSION. TYPICAL DITCH SECTIONS & CALCULATIONS ARE SHOWN ON THE PLAN. 7. CHECK DAM (3.20) - SEVERAL ROCK CHECK DAMS WILL BE INSTALLED UPSLOPE OF THE SEDIMENT BASINS TO REDUCE THE VELOCITY OF CONCENTRATED FLOWS WHICH WILL HELP INCREASE THE EFFECTIVENESS OF THE SEDIMENT BASINS. WHEN THE SEDIMENT REACHES THE CLEANOUT LEVEL, IT SHALL BE REMOVED AND PROPERLY DISPOSED OF. 8. STORMWATER CONVEYANCE CHANNELS: 8.1. GRASS LINED CHANNELS - DURING THE INITIAL ESTABLISHMENT, GRASS LINED CHANNELS SHOULD BE REPAIRED IMMEDIATELY AND RE- ESTABLISHED IF NECESSARY. AFTER GRASS HAS BECOME ESTABLISHED, THE CHANNEL SHOULD BE CHECKED PERIODICALLY TO DETERMINE IF THE GRASS IS WITHSTANDING FLOW VELOCITIES WITHOUT DAMAGE. IF THE CHANNEL IS TO BE MOWED, IT SHOULD BE DONE IN A MANNER THAT IT WILL NOT DAMAGE THE GRASS. 8.2. RIPRAP -LINED CHANNELS - RIPRAP LINED CHANNELS SHOULD BE CHECKED PERIODICALLY TO ENSURE THE SCOUR IS NOT OCCURRING BENEATH FABRIC UNDERLINING OF THE RIPRAP LAYER. THE CHANNEL SHOULD ALSO BE CHECKED TO DETERMINE THE STONES ARE NOT DISLODGED BY LARGE FLOWS. 8.3. IF SEDIMENT IS DEPOSITED IN A GRASS -LINED CHANNEL, IT SHOULD BE REMOVED PROMPTLY TO PREVENT DAMAGE TO THE GRASS. SEDIMENT DEPOSITED IN A RIPRAP CHANNEL SHOULD BE REMOVED WHEN IT REDUCES THE CAPACITY OF THE CHANNEL. 9. CHECK DAMS SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES ONE -HALF OF THE ORIGINAL HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHALL BE MADE TO INSURE TECH CENTER OF TECH DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY HIGH FLOWS AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED iIMMEDIATELY. 10. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. 11. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE OWMER TO ENSURE THAT IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION. THE EMERGENCY SPILLWAY SHALL BE CHECKED REGULARLY TO ENSURE THAT ITS LINING IS WELL ESTABLISHED AND EROSION RESISTANT. GRASS SHALL BE KEPT MOWN BELOW A HEIGHT OF 15" AND THE OUTLET SHOULD BE CHECKED FOR CLOGGING. ►� VEGETATIVE PRACTICES 1. SURFACE ROUGHENING (3.29) - ALL AREAS WITH A GRADE STEEPER THAN 3:1 SHALL BE STAIR -STEP GRADED OR GROOVED (PLATE 3,29 -4) TO AID IN GRASS ESTABLISHMENT, INCREASE INFILTRATION, AND TO SLOW RUNOFF VELOCITIES, 2. TOPSOILING & STOCKPILING (3.30) - TOPSOIL WILL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILES ARE TO BE STABILIZED WITH TEMPORARY VEGETATION OR TO HAVE SILT FENCE INSTALLED ALONG THE LOWER PERIMETER TO PROTECT DOWNSTREAM AREAS. 3. TEMPORARY SEEDING (3.31) - AREAS NOT BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS SHALL BE STABIUZED WITH A TEMPORARY SEED MIXTURE ACCEPTABLE FOR THAT TIME OF YEAR. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW IS TO BE USED. 4. MULCH (3.35) - PLANT RESIDUES OR OTHER SUITABLE MATERIALS SHALL BE APPLIED TO DISTURBED SURFACES TO PREVENT EROSION AND REDUCE OVERLAND FLOW VELOCITIES. THIS PRACTICE SHOULD BE APPLIED TO ALL SEEDING OPERATIONS, OTHER PLANTER MATERIALS WHICH DO NOT PROVIDE ADEQUATE SOIL PROTECTION BY THEMSELVES, AND BARE AREAS WHICH CANNOT BE SEEDED DUE TO THE SEASON BUT WHICH STILL NEED PROTECTION TO PREVENT SOIL LOSS. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW IS TO BE USED. 5. EROSION CONTROL BLANKETS (3.36) - EROSION CONTROL BLANKETS WILL BE INSTALLED ON FILL SLOPES WITH A SLOPE GREATER THAN 2:1 FOLLOWING FINAL GRADING AND SEEDING. EROSION CONTROL BLANKETS WILL ALSO BE INSTALLED IN DITCHES WHERE POTENTIAL EROSIVE VELOCITIES MAY EXIST AS DETERMINED BY ENGINEERING CALCULATIONS. THIS WILL PROTECT FROM RILL AND GULLY EROSION. MANAGEMENT STRATEGIES 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE. 2. SEDIMENT TRAPPING MEASURES WILL BE INSTALLED AS THE FIRST STEP IN GRADING AND WILL BE SEEDED AND MULCHED IMMEDIATELY FOLLOWING INSTALLATION. 3. TEMPORARY SEEDING OR OTHER STABIUZA11ON WILL FOLLOW IMMEDIATELY AFTER GRADING. 4. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES. 5. WITHIN 30 DAYS AFTER BEING NOTIFIED BY THE EROSION AND SEDIMENT CONTROL ADMINISTRATOR, THE TEMPORARY EROSION AND SEDIMENT CONTROLS CAN BE CLEANED UP OR REMOVED, AND ANY SEDIMENT TRAPS OR SEDIMENT BASINS CANL BE CLEANED OUT OR CONVERTED TO PERMANENT STORMWATER MANAGEMENT BASINS. PERMANENT STABILIZATION ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH STRAW & SEEDING IMMEDIATELY FOLLOWING FINISH GRADING. SEEDING SHALL BE DONE WITH KENTUCKY 31 TALL FESCUE IN ACCORDANCE TO STANDARD AND SPECIFICATION 3.32, PERMANENT SEEDING, OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. ANY FERTILIZER AND LIME APPLICATIONS SHALL BE IN ACCORDANCE WITH SOIL TEST RESULTS. ALL SEEDED AREAS WILL BE STRAW MULCHED TO PROTECT AGAINST RILL EROSION AND TO PRESERVE SOIL MOISTURE THAT WILL ENHANCE SEED GERMINATION. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW IS TO BE USED. STORMWATER RUNOFF CONSIDERATIONS CALCULATIONS OF RUNOFF BEFORE AND AFTER DEVELOPMENT INDICATE THAT THERE WILL BE A NET INCREASE IN RUNOFF VOLUME AS A RESULT OF THE INCREASE IN THE IMPERVIOUS SURFACES FOR THE DEVELOPMENT. EXISTING STORMWATER MANAGEMENT PONDS OR BMP'S ARE PROPOSED FOR THIS WATERSHED, AND HAVE BEEN DESIGNED TO TREAT AND RELEASE THE RUNOFF AT THE RATES SPECIFIED IN VA 10.1 -561. REFER TO THE STORMWATER MANAGEMENT PLAN FOR BMP LOADING, DESIGN SIZING, CALCULATIONS, AND DESIGN DETAILS. MAINTENANCE IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 1. THE CONSTRUCTION ENTRANCE SHALL BE CHECKED DAILY FOR SOIL BUILDUP. IF THE ENTRANCE BECOMES CLOGGED WITH SOIL AND FAILS TO PREVENT TRANSPORTATION OF SOIL ONTO THE ROADWAY, ADDITIONAL STONE, REPLACEMENT OF STONE, OR A WASH -RACK MAY BE REQUIRED. 2. SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL BE REPLACED PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM EVENT. THEY MUST BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY ONE -HALF THE HEIGHT OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH THE EXISTING GRADE, PREPARED, AND SEEDED. 3. DIVERSION DIKES SHALL BE INSPECTED AFTER EVERY STORM AND REPAIRS MADE TO THE DIKE, FLOW CHANNEL, OUTLET, OR SEDIMENT TRAPPING FACILITY AS NECESSARY. ONCE 'EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED OR NOT, THE MEASURE SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES CAUSED BY CONSTRUCTION TRAFFIC OR OTHER ACTIVITY MUST BE REPAIRED BEFORE THE END OF EACH WORKING DAY. 4. STORMWATER CONVEYANCE CHANNELS: 4.1. GRASS LINED CHANNELS - DURING THE INITIAL ESTABLISHMENT, GRASS LINED CHANNELS SHOULD BE REPAIRED IMMEDIATELY AND RE- ESTABLISHED IF NECESSARY. AFTER GRASS HAS BECOME ESTABLISHED, THE CHANNEL SHOULD BE. CHECKED PERIODICALLY TO DETERMINE IF THE GRASS IS WITHSTANDING FLOW VELOCITIES WITHOUT DAMAGE. IF THE CHANNEL IS TO BE MOWED, IT SHOULD BE DONE IN A MANNER THAT iT WILL NOT DAMAGE THE GRASS. 4.2. RIPRAP -LINED CHANNELS - RIPRAP LINED CHANNELS SHOULD BE CHECKED PERIODICALLY TO ENSURE THE SCOUR IS NOT OCCURRING BENEATH FABRIC UNDERLINING OF THE RIPRAP LAYER. THE CHANNEL SHOULD ALSO BE CHECKED TO DETERMINE THE STONES ARE NOT DISLODGED BY LARGE FLOWS. 4.3. IF SEDIMENT IS DEPOSITED IN A GRASS -LINED CHANNEL, IT SHOULD BE REMOVED PROMPTLY TO PREVENT DAMAGE TO THE GRASS. SEDIMENT DEPOSITED IN A RIPRAP CHANNEL SHOULD BE REMOVED WHEN IT REDUCES THE CAPACITY OF THE CHANNEL. 5. CHECK DAMS SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES ONE -HALF OF THE ORIGINAL HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHALL BE MADE TO INSURE TECH CENTER OF TECH DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY HIGH FLOWS AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED IMMEDIATELY. 6. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. CALCULATIONS PLEASE REFER TO THE DETAILS, STORM SEWER AND HYDRAULIC CALCULATIONS FOR THE PERFORMANCE OF THE STORM SEWER, DITCHES, AND SEDIMENT TRAPS. ALSO REFER TO THE WATER QUALITY CALCULATIONS FOR COMPLIANCE WITH THE CBPA REGULA11ONS AND THE CORRESPONDING BIO -FILTER SPECIFICATIONS, SIZING AND PLANTING SCHEDULE. TEMPORARY SEDIMENT TRAP i' VARIABLE ORIGINAL /GROUND ELEV. SEE PLATE 3.13 -1 67 CU. YD. /ACRE 67 CU. YD. /ACRE (EXCAVATED) VARIABLE N 4' MAX. FILTER CLOTH ORIGINAL GROUND ELEV. COARSE AGGREGATE; CLASS I RIPRAP CROSS SECTION OF OUTLET CLASS I RIPRAP LENGTH (IN FEET 6 X DRAINAGE AREA (IN AC.) DIVERSION COARSE AGGREGATE EXCAVATED FILTER CLOTH / AREA * *COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5 OUTLET (PERSPECTIVE VIEW) SOURCE: VA. DSWC PLATE. 3.13 -2 MINIMUM TOP WIDTH (W) REQUIRED FOR SEDIMENT TRAP EMBANKMENTS ACCORDING T EMBANKME I-- W --I 0 HEIGHT OF NT (FEET) H HO W 1.5 0.5 2.0 2.0 1.0 2.0 2.5 1.5 2.5 3.0 2.0 2.5 3.5 2.5 3.0 4.0 3.0 3.0 4.5 3.5 4.0 5.0 4.0 4.5 SOURCE: VA. DSWC ORIGINAL GROUND ELEV. PLATE. 3.13 -1 A DI -6A DI -68 H 2'10" CU. YDS CONC. 1.213 CU. YDS CONC. 1.166 3'4" 1 1.383 1.336 44" 1.722 1.675 5'4" 2.059 2.012 6'4" 2.398 2.351 7'4" 2.736 2.689 8'4" 3.073 3.026 9.4" 3.412 3.365 10'4" 3.750 3.703 LBS.REINF STEEL S.REINF STEEL �Z 46.935 56.322 Z CU. YDS. CONC, GUTTER CU. YDS. CONC. "GUTTER ►� .466 .932 ORIGINAL GROUND ELEV. PLATE. 3.13 -1 A r REVISIONS - MAY 21, 2013 PER COUNTY & ACSA COMMENTS DATE APRIL 05, 2013 SCALE AS SHOWN CONTOUR INTERVAL 2 FOOT L M � T ` v J Cn a Q I- � F_ o ^W O� J U a Zp> U N� W u. of �Z 0 2 �F_Q o JJ _QWZ Zz U oz o or w ouLLL ow J �Z JZ Z W � ►� Q VQ �w O ^� coo O 0 �Z L WLo O Q cm cp W QL W M cp Z Q� rnW 0 Z 2 0W a r REVISIONS - MAY 21, 2013 PER COUNTY & ACSA COMMENTS DATE APRIL 05, 2013 SCALE AS SHOWN CONTOUR INTERVAL 2 FOOT FILE NUMBER 8053 SHEET 13 OF 13 L M � od Z J Cn cv (L Q I- F_ vzw 000p O� J U a Zp> m�0 W u. 0 0 �Z 0 2 �F_Q >UF-o JJ _QWZ Zz 0 ow J FILE NUMBER 8053 SHEET 13 OF 13