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HomeMy WebLinkAboutWPO201900016 Plan - E&S WPO VSMP 2019-03-212 SITE DATA OWNER / DEVELOPER: BAILEY, MELISSA L YNN 4839 FREE UNION ROAD FREE UNION, VA 22940 PROPERTYADDRESS: 4841 FREE UNION ROAD FREE UNION VA, 22940 PLAN PREPARER: ROUDABUSH, GALE, & ASSOCIATES 914 MONTICELLO ROAD CHARLOTTESVILLE, VA. 22902 (434)-977-0205 TAX MAP PARCEL No: 01700-00-00-02100 LOTAREA: 65.81 AC, ZONING. RURAL AREAS DISTRICT (RA) USE. RESIDENTIAL SINGLE FAMILY BUILDING HEIGHT': MAXIMUM STRUCTURE HEIGHT IS 35 FEET SETBACKS: FRONT SIDE REAR 75' 25' 351 MAGISTERIAL DISTRICT. WHITE HALL DRAINAGE DISTRICT. SOUTH FORK RIVANNA RIVER RESEVOIR BOUNDARY.- DB. 1938 PG. 187 TOPOGRAPHY. ALBEMARLE COUNTY GIS CRITICAL SLOPES: CRITICAL SLOPES EXIST ON THIS SITE & ARE LOCATED AS SHOWN FLOODPLAIN: THE SUBJECT PROPERTY IS NOT LOCATED WITHIN THE FLOODPLAINN, THE STREAM BUFFER(S) SHOWN HEREON SHALL BE MANAGED INACCORDANCE WITH THE ALBEMARLE COUNTY WATER PROTECTION ORDINANCE. THIS SITE IS NOT LOCATED WITHIN THE WATERSHED OFA PUBLIC WATER SUPPLY RESERVOIR. GENERAL EROSION CONTROL NOTES WORK AREA PROTECTION & MAINTENANCE 1. ALL FENCES REQUIRED TO BE REMOVED OR DISTURBED BY CONSTRUCTION SHALL BE SALVAGED, STORED, PROTECTED AND RE -INSTALLED BY CONTRACTOR AT THE DIRECTION OF AND LOCATION DESIGNATED BY THE PROJECT MANAGER. IF SUCH FENCE MATERIAL CANNOT BE REUSED DUE TO DAMAGE CAUSED BY CONTRACTOR, CONTRACTOR SHALL INSTALL NEW FENCE OF THE SAME TYPE OF MATERIAL. TEMPORARY FENCING REQUIRED BY PRIVATE PROPERTY OWNERS SHALL BE PROVIDED BY CONTRACTOR. CONTRACTOR IS ADVISED TO CONTACT PROPERTY OWNERS AT LEAST FORTY-EIGHT (48) HOURS IN ADVANCE OF REMOVING. ANY FENCE IN ORDER TO COORDINATE RELOCATION AND/OR PROTECTION OF ANY ANIMALS, AND TO ESTABLISH AND CONFIRM WITH THE OWNER THE PRE -CONSTRUCTION CONDITION OF ANY FENCE TO BE REMOVED, DISTURBED OR REPLACED. 2. CONTRACTOR IS PERMITTED TO WORK IN THE PUBLIC RIGHT-OF-WAY (FOLLOWING ISSUANCE OF VDOT APPROVAL) AND ANY TEMPORARY OR PERMANENT EASEMENT (FOLLOWING VERIFICATION OF- EXISTENCE OF EASEMENT) SHOWN ON THE PLANS. HOWEVER, CONTRACTOR SHALL NOTIFY PROPERTY OWNER(S) FORTY-EIGHT (48) HOURS PRIOR TO WORKING ON ANY PRIVATE PROPERTY TO GAIN AND COORDINATE ACCESS AND TO DETERMINE A STORAGE AREA FOR MATERIALS IF NEEDED. COORDINATION OF ACCESS TO PUBLIC RIGHT-OF-WAY AND STORAGE OF MATERIALS THEREON SHALL BE COORDINATED WITH VDOT AND THE PROJECT MANAGER. CONTRACTOR'S FAILURE TO SO NOTIFY AND COORDINATE WITH PROPERTY OWNERS AND/OR THE PROJECT MANAGER MAY RESULT IN DELAYS. 3. CONTRACTOR SHALL, AT HIS EXPENSE, MAINTAIN THE WORK SITE IN A CLEAN AND ORDERLY APPEARANCE AT ALL TIMES. ALL DEBRIS AND SURPLUS MATERIAL COLLECTED SHALL BE DISPOSED OF OFF THE WORK SITE BY CONTRACTOR, AT HIS EXPENSE. 4. EXISTING LAWNS, TREES, SHRUBS, FENCES, UTILITIES, CULVERTS, WALLS, WALKS, DRIVEWAYS, POLES, SIGNS, RIGHT-OF-WAY MONUMENTS, MAILBOXES AND THE LIKE SHALL BE PROTECTED FROM DAMAGE DURING THE WORK. ANY DAMAGE CAUSED TO SUCH ITEMS SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO ADDITIONAL COST. PROPERTY PINS DISTURBED BY CONTRACTOR THAT ARE NOT SHOWN ON THE PLANS TO BE DISTURBED SHALL BE RESTORED BY A LICENSED SURVEYOR AT CONTRACTOR'S EXPENSE. 5. CONTRACTOR SHALL EMPLOY EROSION CONTROL DEVICES AND METHODS AS REQUIRED TO MEET THE REQUIREMENTS AND INTENT OF THE LOCAL EROSION CONTROL ORDINANCE. CONTRACTOR SHALL PROVIDE THE NECESSARY DIVERSION DITCHES, DIKES OR TEMPORARY CULVERTS REQUIRED TO PREVENT MUD AND DEBRIS FROM BEING WASHED ONTO THE STREETS OR PROPERTY. CONTRACTOR'S VEHICLES SHALL BE KEPT CLEAN TO PREVENT MUD OR DUST FROM BEING DEPOSITED ON STREETS. NO AREA SHALL BE LEFT DENUDED FOR MORE THAN SEVEN (7) CALENDAR DAYS. 1. PRIOR TO REMOVING ANY VEGETATION, CONTRACTOR SHALL MEET WITH THE PROPERTY OWNERS AND THE PROJECT MANAGER TO REVIEW THE LIMITS OF CONSTRUCTION AND OBTAIN PERMISSION TO REMOVE VEGETATION REQUIRED TO DO THE WORK. 2. TREE AND PLANT ROOTS OR BRANCHES THAT MAY INTERFERE WITH THE WORK SHALL BE TRIMMED OR CUT ONLY WITH THE APPROVAL OF THE PROJECT MANAGER. ANY TREES OR PLANTS WHICH ARE SHOWN TO REMAIN THAT DO NOT INTERFERE WITH THE WORK, BUT ARE DAMAGED BY CONTRACTOR OR HIS SUBCONTRACTORS, SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO ADDITIONAL. COST. 3. CONTRACTOR SHALL CLEAN UP, RESTORE, SEED AND MAINTAIN ALL DISTURBED AREAS IMMEDIATELY UPON COMPLETION OF WORK ON EACH SITE. TOPSOIL, SEED, FERTILIZER AND MULCH SHALL BE PLACED IN ACCORDANCE WITH ESC AUTHORITY STANDARDS ON ALL DISTURBED AREAS. A PERMANENT STAND OF GRASS ADEQUATE TO PREVENT EROSION SHALL BE ESTABLISHED PRIOR TO FINAL ACCEPTANCE. 4. THE ACT OF RESEEDING SHALL NOT QUALIFY AS "STABILIZED". THE CONTRACTOR SHALL BE RESPONSIBLE TO ESTABLISH VEGETATION, NOT SIMPLY APPLY SEED AND MATERIALS. NOTE: THESE PLANS DO NOT GUARANTEE THE EXISTENCE, NON-EXISTENCE OR LOCATION OF UTILITIES. CONTRACTOR SHALL VERIFY THE EXISTENCE AND LOCATION OR THE NON-EXISTENCE OF UTILITIES. AT LEAST 48 HOURS PRIOR TO ANY EXCAVATION OR CONSTRUCTION, CONTRACTOR SHALL NOTIFY MISS UTILITY (1-800-552-7001) AND/OR THE RESPECTIVE UTILITY COMPANIES FOR GAS, WATER, SEWER, POWER, PHONE AND CABLE. CONTRACTOR SHALL TIMELY ARRANGE TO HAVE THE VARIOUS UTILITIES LOCATED, AND TO HAVE THEM REMOVED OR RELOCATED, OR TO DETERMINE THE METHOD OF PROTECTION ACCEPTABLE TO THE RESPECTIVE OWNER, IF THE METHOD OF PROTECTION IS NOT OTHERWISE SPECIFIED. CONTRACTOR SHALL CONDUCT ITS WORK IN THE VICINITY OF EXISTING UTILITIES IN ACCORDANCE WITH THE RESPECTIVE UTILITY'S RULES AND REGULATIONS. ANY COST INCURRED FOR REMOVING, RELOCATING OR PROTECTING UTILITIES SHALL BE BORNE BY CONTRACTOR UNLESS INDICATED OTHERWISE. CONTRACTOR SHALL EXCAVATE TO LOCATE BURIED UTILITIES FAR ENOUGH IN ADVANCE OF ITS WORK TO ALLOW FOR HORIZONTAL AND /OR VERTICAL ADJUSTMENTS TO ITS WORK AND/OR THE UTILITIES. NO ADJUSTMENT IN COMPENSATION OR SCHEDULE WILL BE ALLOWED FOR DELAYS RESULTING FROM CONTRACTOR'S FAILURE TO CONTACT AND COORDINATE WITH UTILITIES. FR UNION ROA TMP 17�021 VICINITY MAP SCALE: 1 "=2000 FEET EROSION & SEDIMENT CONTROL LEGEND E 3.02 o C❑NSTRUCTI❑N ENTRANCE CNSTRUCTION C R S 3.03 C R S STABILI7_AT pN ROAD S 3.05 _X SILT FENCE D V 3,12 DIVERSI❑N B3.13 S T n3.3� Ts SEDIMENT TRAP TEMPORARY SEEDING R S 3,32 P S PERMANENT SEEDING D C 3,39 DC DUST CONTROL QC WD CLEAN WATER DIVERSI❑N TOTAL DISTURBED AREA = 3.86 ACRES i SHEET INDEX SHEET 1 - - - - - - COVER SHEET SHEET 2- - - - - - - - EXISTING CONDITIONS SHEET 3- - - - - - - - EROSION CONTROL PLAN - PHASE 1 SHEET 4----- --- - EROSION CONTROL PLAN - PHASE 1 SHEET 5- - - - - - - - EROSION CONTROL PLAN - PHASE 2 SHEET 6- - - - - - - - EROSION CONTROL PLAN - PHASE 2 SHEET 7- - - - - - - - EROSION CONTROL NARRATIVE SHEET 8-------- EROSION CONTROL NOTES & DETAILS SINGLE FAMILY CONSTRUCTION 1. SILT FENCE, SEDIMENT TRAPS AND OTHER PROTECTIVE MEASURES SHALL BE PROVIDED IN AREAS WHERE SEDIMENT FROM DISTURBED AREAS MAY LEAVE THE SITE, AND MUST BE PROPERLY INSTALLED BEFORE LAND DISTURBANCE. THESE MEASURES MUST REMAIN INSTALLED AND MAINTAINED UNTIL ADEQUATE STABILIZATION IS ACHIEVED AS DETERMINED BY THE PROGRAM AUTHORITY. 2. ALL EROSION MEASURES ARE SUBJECT TO INSPECTION PERIODICALLY AND AFTER EACH RUNOFF —PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES AND CLEANUP OF SEDIMENTATION MUST BE MADE IMMEDIATELY. IF EROSION CONTROL MEASURES ARE FOUND TO BE INADEQUATE, OR IN (NEED OF REPAIR, BY A COUNTY INSPECTOR, YOU WILL BE NOTIFIED. 3. A TEMPORARY STONE CONSTRUCTION ENTRANCE SHALL BE PROVIDED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND WHERE THERE EXISTS THE POSSIBILITY OF TRANSPORTING MUD DIRECTLY ONTO A ROAD OR OTHER PAVED AREA. 4. ALL DENUDED AREAS ON THE SITE SHALL BE STABILIZED WITHIN SEVEN (7) DAYS OF FINAL GRADING WITH PERMANENT VEGETATION OR A PROTECTIVE GROUND COVER SUITABLE FOR THE TIME OF YEAR. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN THIRTY (30) DAYS. 5. A PERMANENT STABILIZATION/VEGETATIVE COVER SHALL BE ESTABLISHED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS OF THE START OF CLEARING OR GRADING. UNLESS DOCUMENTED IN WRITING TO THE PROGRAM AUTHORITY AT THE START OF LAND DISTURBANCE, THE NINE (9) MONTHS SHALL BE MEASURED FROM THE PERMIT ISSUANCE DATE. 6. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCK PILES AND BORROW AREAS SHALL BE STABILIZED, COVERED, OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. 7. ALL STORM SEWER INLETS THAT ARE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT —LADEN WATER CANNOT ENTER THE STORM WATER CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. 8. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL NOT BE REMOVED UNTIL DISTURBED AREAS ARE STABILIZED. AFTER STABILIZATION IS COMPLETE, ALL MEASURES SHALL BE REMOVED WITHIN 30 DAYS, UNLESS OTHERWISE AUTHORIZED BY THE PROGRAM AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. ��LTH OF pe. 0 Jimmy L. Taggart Lic. No. 22841 �4v7 oxF, ENG\�� ONAL • �j w � � C) w I jj : O U, � 2 Q' m 4) N Q 0 CC W L @ 0U >0 coo Jz rt C) Cb a W � (� OW 8 Q ® = (0 tti W 0r , N e (o W O ILL. zN rzrz W o` W 0) 2 z W i REVISIONS DATE March 5, 2019 0 z I—�rt1' W CV —� W000 z (f) Z z ir D O W Lu 0. 0 ow2oz w Cc 2 uj U. O co 00 FILE NUMBER 19.0320 --------------- SHEET 1 OF 8 IN pr 4k T,M, 17-211 D,B. 1694/381 N/F BAII-EY RE'ALT.Y", LLC I -21J D,B, 3346/311 N/F MELISSA BAILEY-JOHNSON TX 17--21E D,B, 1690/589 N/F BRUCE D, CAMPBELL TX 17-20D D,B, 1.506/566 N/F BRUCE D,& PAULA R, Al pi NO T,M, 17-21H2 D,B, 3978/001 N/F SUSAN D, WELLS SARGEANT SOIL TYPE, 7B HYDROLOGIC SOIL GROUP, B 0 q V� ni Amw EXISTING BUILDINGS � D,B. 1938/iB7 T,M, 29-32A D,B, WB166/637 � BURNS N/F WENDY H BAYARD F, POPE TX 17-22 D�B, 1960/370 N/F PHYLLIS S FONTANA I 's SCALE I"=100' 100 0 100 200 C:7ms=mmr,�� MMMEMI SCALE IN FEET SOIL TYPE, 37D3 HYDROLOGIC SOIL GROUP, B T.M. 29-33B D,B, 1938/187 N/F MELISSA LYNN BAILEY T.M, 17-21G D,B, 1960/370 N/F PHILLIP JOHNSON & MELISSA JOHNSON i ___.._. T,M, -33B1 Lo ,N/F PHILLIP JOHNS MELISSA JOHNSON 'TH of r,ry V-A 14 Jimmy L. Taggart Lic. No. Iz- '0 22841 'po, 0 N A L ECG • Cr L - U Z COM C 0 0 04 g4 ) D CQ —Z 0 cr OU cc E > 0@) a Uz- Q �� ui 2 JZ 04 W coWo 0 LL > I U. % .% IS C', 9 Q. Lu co w z Z 0 0 REVISIONS DATE March 5, 2019 SCALE' 1 = 100' --------------- CONTOUR INTERVAL 4 FOOT Cl O z 0 z r CL z 0c) x 0 tJ z zm- z Ir, 0 0 (D LLJ 0 w Z� w2z cn 0 w x LL 0 < w (3) W CY) 00 "ll" FILE NUMBER 19.0320 SHEET 20F8 " " 3✓ = ' TEMPORARY S SEDIMENT TRAP CALCULATIONS II _ , ?10 Drainage Area= 1 . 99 acres W ' " f ✓ STAGE -STORAGE REPORT „_ .. "._".." .,. \.,' Design Volumes: _..._.__ ._ g Wet Storage- ELEV FT STORAGE CF STORAGE (CYj AREA(SF) °' / " " c > c > _ , ." SECTION OF S = f, " Minimum Volume Req'd. = 67 cy * 1.99 acres = 133 cy -- % r Available Basin Volume Prov' d. = 152 cy @ 528. 00 525.000 0 .000 0 .000 1144. 000 ' r'3+ p - y" AREA ALLOWABLE Dry Storage- 526.000 1216.000 45.000 1288.000 �► _ CM (� (v M Z 0 �, N `� Q * = 133 ' Minimum Volume Req'd. = 67 cy 1.99 acres cy f y Available Basin Volume Prov' d. = 145 @ 530.00 527 .000 25$0 .000 96. 000 1440. 000 0.25 AC PER 100 LFcc 528.000 4100 .000 152.000 1600. 000 a ' / � � �� — (� CC rf Design Elevations: // _. g 529.000 57$2 .000 218 .000 1944. 000 �% ✓✓✓-`'✓ ,� �Si r .%3# , 3 r� ✓" _ _� _ _._ " _...�" .. "..",.^..,.,. _...."._ "..""... _. ;.`� 530.000 6420.000 297.000 2320.000 / ter' j' �' � U W Top of Berm = 531.00 ; r Berm Width = 3 I _.. Weir Elev = 533.00 f Irz _ Weir Width = 1.99 acres * 6 = 11.94 fT It w i Floor Elev = 525.00 J � 'Q W i V r �r Sediment Cleanout Elev = 526.5 , / # i , SECTION 0 LF ` DRAINAGE ✓'ZI " F p jf r AREA TO S F " aJ d AREA DOES NOT EXCEED ALLOWABLE��""^" .,2 1 1 _""_"_ ""..," _ _ 21 AC F �.� ;, " A P I rUj " � Cc C; a✓ r f + 3 i / `n r , v ?✓ �} $' 4.._.............""................... __""._"."._^..^... ... p 3#`i � , tA�j .:.... "'" " ..,"..r'✓ % 7. .; '• it T `" Y4 .w' ^, T .J n t ... , - ; T t (( � ' � y O W Z YJ � � � .fir• ? .' .•' i .. s .,.... / ,Ocy ' J ...\ , f.f: " rj) . V "✓ } j y?'r ".. ,....' L 7 + , t 1 t ✓ i; {� fir., i J t x .... E f .. 3 3 L,• �,+ •� f\ �. i .. %% ''. f f . j ' 1 '� t� v 3 \.'., ✓A ✓"/ a 3 € " 9 .. ,^' / u. ......W,...... ,, ,r .,. (j V _ .✓.1T /i "a......• 'Z." t O s `"",. " ' f f W ` 'S"' ,r" , ;j ,: .,.' „✓'' { v3 w ; ws /�",.._j i r" ✓ f � f i P 3 £v /%H 3+ f3 ��,., p " ✓'... �% ' � � f„ ,�I 1 r / ," 'D RAI NA Er r' z W a i i AR EA TO S F j , wj w / 0• C i ✓ r 1 , d I i t f t 3 O REMAIN ROAD T ISI N REV O S r '�a'arr , }} j f r / II 3 w ., / ✓, ., r. ., ,. { i DRAINAGE � ',. l , i { •.\ ••j t "a Z TO ST t \ RE ` "^ "fa ":"�.,,,,, E -... ,. II' f r., / E y{ y ;, 3 / €}?. E ...... 'el jo sr , 1 9A { w ST E {t NOTE: TH i S EN ERAL AREA OF { s° {� t° 3 SHALL BE USED DISTURBED STU LAND sv ✓ i ". G ,:;, i;, \ ' `- lJlk / ✓E j 3 } t l j j , ; f 3 i y FOR THE CONSTRUCTION r, € I f t � t a f= AGRICULTURAL < i " _� � EQUIPMENT AND ACCESSORIES f i. °, � � ATE �t, � i € ,F " ED"" FOR � MANAGEMENT AND .. j y p AGRICULTURAL ENGINEERING r' M A ;.v y DRAINAGE � OPERATIONS WITHIN N THIS FA I FARM. AREA TO SF, `'tr f March 5 2019 / /�f ' , 0.37AC �f D RA1 NAG E r -AREA TO S 1;+ ".. ,,✓ � // ' ... '. "..,."`�,/"`iti ?j' Ir ,f SCALE 1 11 J'\I \.i b. �3 i f f if / — 0.24AC \ (( fjjjjj DV CONTOUR INTERVAL / Y 1t f t t ) , r' i + y .r''` "✓ ,' -Jr` .,...•.. k, /' ,' ..."^„ ,�5 ,tn,,,• ',,` # j 3f J fj /f, fj'z dT>t r TT r ' ,, r r ,. d jJ jj j / , ` � � � ,f / x � / FOOT , ,.......... , w / 7 rr` ,f` p r I SECTION OF SF— / f � 631 LF a' f r ' ✓ DOES NOT EXC ALLO B E 'IF^. AREA EXCEED WA _., ✓A. /, 0.25 AC PER 100 LF Y L� Q 0 f l`< t I 3 33 y € r < { 3 ii o ,EPA ` t � F " SF , ; Z � � 3 fj ii � €p f � .. n 3 p — i r ; , ' SECTION OF SF 385 LF, , E SIP EN � f F , Q — cv / N # f - y AREA DOES NOT EX ,'�T,y; _ !"" ._ E" € } \_, > ^ { %y EXCEED ALLOWABLE F RE , '~ STAGING A A I i _._ , w, , < € 0.25 AC; PER 100 e go !�► r Nova ,i- e',;t4 ... ..,. '': ....,. .,. : .....,.. )j # w SF " .:• € i {f w i F f�.. ",.,. k....... ...."........ ., t ..• \ .....,. • f ,. ...,.. R , r 6 if Cr w < t EXISTING PIG PATH TO BE USED `FOR 0 w2z lu /1� Uj " ACCESS TO SITE GRADING PAD ow Iwo ..�� � , � � f � Mow -NNW�.` i r, .00 WON d soft / ... Moft i .._^,..^... f ... l a. t l FILE N UMBER 19.0320 I 3 s L�1 �� S IE. % j t ALF �.✓ r � 4t� Dry ' € ,. > ` Q" '� , � � . E � '" ; '' � S Jimmy L. Taggart I Lic. No. 22841 � ? G �SS0NAL E� I 40 0 SCALE 1 "=4040 80 SHEET SCALE IN FEET 3OF8 ,,� coo <*w 0 N (n 0(o N� �? N d t� cc W E 0o �o ce, °� Z W rz 0(0 w2 Q rw 3� °CC N Lo W 0� ¢� %C C' 0 �� oJ. � W H �w LL W 0 9 u- r p N W Q. 9 Tr ( T- w 2 0 W a REVISIONS DATE March 5, 2019 SCALE ill =40' CONTOUR INTERVAL 4 FOOT zo gd a.0 O� z r- C- z C1 a Z OHO O—��' vz� zZ 0 O _wil OW20 W wLL O a w 0) w �C0 QCO _ d' (. ------------- FILE NUMBER 19.0320 SHEET 40F8 -Www ONE ON= 1 I I 1 11* rAl �14 _. a N s ri r� ;k' �' fir ..1.... I ✓L �../..!�..:� :�� .J } t M i j ff f OF ) Jimmy L. Taggart Lic. No. 22841 �<v� o�FSS/ONAL 40 0 SCALE 1 "=4040 80 SCALE IN FEET 1 • w � �W C\l_ Z� Nm q tV Q � a © OC 41 g @ Z a wo C� W r w 0(; ``I Z -Ccj N U N lie U. w LO 05 �F, jug z r, Z W IZ REVISIONS DATE March 5, 2019 SCALE 1 " = 100' CONTOUR INTERVAL 2 FONT zo 0 O z X zr-iL Z z _ 1 -j 000 O — I I z Z Z �r0 z 0 w W L.L. tr O Er W2p < WLL Fn Oa CD W (j) W CO < 00 T qt -------------- FILE NUMBER 19.0320 J,j50F8 SHEET ------------- E % UP,i+' /•r,/ \ fm r:--7 P f . \. , � z R,. s f t £ F e t = r , € ^ , E , z e„ a • I � s f F t t i , , t \\ �,. i 1 Oki J"Y 1 Fj 1 , 5} E � F _... r i, t} \^ ✓'fie' 1 s \ ir^ tl .. ,.... .... _ ' i i r' r }} 1 E _ s a le i r .r' + y l t € /� r 1 l' , € w r � d � t r � ^• r' x i , N :< , E s li� t , 3 � w^" E e t , ' .... yy € Lim ,W N n w�, gp .D STABILIZATION TO OCCUR BETWEEN CONSTUCTION ENTRANCE AND BEGINNING OF PAD GRADING WASH RACK ("WR") SHALL BE_._.,. _ INSTALLED IN ACCORDANCE WITH THE CONSTRUCTION ENTRANCE AND SLOPE TO5' A TEMPORARY DRAIN PIT AS DEEMED NECESSARY BY ALBEMARLE COUNTY EROSION INSPECTOR LL- EXISTING PIG PATH TO BE USED FOR ACCESS TO SITE GRADING PA w \ nSF Now x .......,.__. f rW TOTAL LIMITS OF LAND DISTURBANCE =3.86 AC A3 .- UL.Taggart 10 40 0 SCALE 1 "=40'40 80 13 11� w w 0 wLu � � cm t� Q J Z= a� CCW 0(0 w� (� Q W J� it� Q� 2(0 UN ¢ It It uj J 4� W - o 9 rz It W 4L W d. REVISIONS DATE March 5, 2019 SCALE ill =40' CONTOUR INTERVAL 2 FONT FILE NUMBER 19.0320 I SHEET 60F8 ........................... t � r : L �° 1 3 �-; vita L IL1� V 1, � I tea dI l' 1Y.1` e allµ L _-RESS; T g i3 it r r i1. PAN' 1 �v DIVERSION DIVERSION 10% SETTLEMENT TYPICAL VEE-SHAPED DIVERSION Source: Va. DSWC Plate 3.12-1 TYPICAL ORIENTATION OF TREA TMENT (SOIL S TABILIZA TION BLANKE T) SHAI I nW ON SHALL.Qy( SLOPES, STRIPS OF NETTING PROTECTIVE COVERINGS MAY BE APPLIED ACROSS THE SLOPE. BERM WHERE THERE IS A BERM AT THE TOP OF THE SLOPE, BRING THE MATERIAL OVER THE BERM AND ANCHOR IT BEHIND THE BERM. ON STEEP SLOPES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW AND ANCHOR SECURELY. BRING MATERIAL DOWN TO A LEVEL AREA BEFORE TERMINATING THE INSTALLATION. TURN THE END UNDER 4" AND STAPLE AT 12" INTERVALS. IN DITCHES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW. USE CHECK SLOTS AS REQUIRED. AVOID JOINING MATERIAL IN THE CENTER OF THE DITCH IF AT ALL POSSIBLE. SOURCE: ADAPTED FROM LUDLOW PRODUCTS BROCHURE PLATE: 3.36-1 sF SILT FENCE CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 6'MAX. I , FLOW 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 4" 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) SF/STONE NOT REQUIRED AFTER SLOPES ARE STABILIZED DOWNSLOPE OF OUTFALL POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) E: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control,VA. DSWC PU11E. SUGGESTED TEMPORARY SEEDING MIXTURE FERTILIZERI 10-20-101 1,000 LBS/ACRE SEPTEMBER-FEBRUARY 151 50% ANNUAL RYE & 50% WINTER RYE 100 LBS/ACRE FEBRUARY 16-APRIL 301 ANNUAL RYE 100 LBS/ACRE MAY -AUGUST: GERMAN MILLET 50 LBS/ACRE OTHER ❑PTI❑NS EXIST, SEE VA ER❑SI❑N AND SEDIMENT CONTROL HANDBOOK, SUGGESTED PERMANENT SEEDING MIXTURE LIME: 2 TONS/ACRE FERTILIZERI 10-20-10 1,000 LBS/ACRE MARCH -MAY 151 KENTUCKY 31 FESCUE 200 LBS/ACRE, ANNUAL RYE 20 LBS/ACRE MAY 16-AUGUST 151 KENTUCKY 31 FESCUE 200 LBS/ACRE, F❑XTAIL MILLET 20 LBS/ACRE AUGUST 16-❑CT❑BER: KENTUCKY 31 FESCUE 200 LBS/ACRE, ANNUAL RYE 20 LBS/ACRE N❑VEMBER-FEBRUARY: KENTUCKY 31 FESCUE 200 LBS/ACRE, WINTER RYE 20 LBS/ACRE TYPICAL TREATMENT - I (SOIL STABILIZATION BLANKET) INSTALLATION CRITERIA ANCHOR SLOT NOTES APPROXIMATELY 200 STAPLES REQUIRED PER 100 SQ. YDS. OF MATERIAL ROLL. ANCHOR SLOTS, JUNCTION SLOTS & CHECK SLOTS TO BE BURIED 6" TO 12". 12" MAX. 4:1 OR FLATTER 6" MAX. STEEPER THAN 4:1 JUNCTION SLOT EDGE AND END JOINTS I I I I I I I I I I CHECK SLOT* TO BE SNUGLY ABUTTED I (JUTE MESH WILL HAVE I I I TERMINAL FOLD STAPLED LAP JOINT IN 1 LIEU OF EDGE JOINT) LAP JOINT 2" MIN. I I I I TAMP FIRMLY (JUTE MESH ONLY) I I I F_ ANCHOR SLOT .�-- 5' MAX. 4:1 OR FLATTER 3' MAX. STEEPER THAN 4:1 I I I 2" I I 6" TO 12" i I I I I I I I I I I I I I * I I I I I I CHECK SLOT 2" TAMP CHECK SLOT 1" TO 2_ 1 1 I I I I I 1 I I VAR. FIRMLY iI I VAR. 6" TO 12" 6'° TO 8" MIN. PLAN VIEW STAPLING DIAGRAM STAPLE FORMED FROM NO.11 STEEL WIRE. *CHECK SLOTS AT MIN. 8" STAPLE MIN. LENGTH FOR SANDY SOIL. C-C INTERVALS; NO 6" STAPLE MIN. LENGTH FOR OTHER SOIL. "NOT WITH ALL -COMBINATION "BLANKETS JUNCTION SLOT �- TAMP FIRMLY 6" TO 12" 2„ �- 12" TERMINAL FOLD SOURCE: VDOT ROAD AND BRIDGE STANDARDS PLATE: 3.36- PERMANENT SEEDING MIXTURES FOR PS THE PIEDMONT AREA TABLE 25 TOTAL LBS. PER ACRE MINIMUM CARE LAWN - COMMERCIAL OR RESIDENTIAL 175-200 LBS. - KENTUCKY 31 OR TURF -TYPE TALL FESCUE 95-100% - IMPROVED PERENNIAL RYE GRASS 0-5% - KENTUCKY BLUEGRASS 0-5% HIGH MAINTENANCE LAWN 200-250 LBS. - KENTUCKY 31 OR TURF -TYPE TALL FESCUE 100% GENERAL SLOPE (3:1 OR LESS) - KENTUCKY 31 FESCUE 128 LBS. - RED TOP GRASS 2 LBS. - SEASONAL NURSE CROP* 20 LBS. LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1) - KENTUCKY 31 FESCUE 108 LBS. - RED TOP GRASS 2 LBS. - SEASONAL NURSE CROP* 20 LBS. - CROWN VETCH** 20 LBS. TOTAL 150 LBS. *UISE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW: FEBRUARY 16TH THROUGH APRIL 30TH............ ANNUAL RYE MAY 1ST THROUGH AUGUST 15TH ................ FOXTAIL MILLET AUGUST 16TH THROUGH OCTOBER 31ST........... ANNUAL RYE NOVEMBER 1ST THROUGH FEBRUARY 15TH ........ANNUAL RYE *** SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF FARMVILLE, VA (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS, USE UNHULLED SERICEA.) IF FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED MUST BE PROPERLY INNOCULATED. WEEPING LOVEGRASS MAY BE ADDED TO ANY SLOPE OR LOW MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10- 20 LBS./ACRE IN MIXES. PS PERMANENT SEEDING FERTILIZATION AND MAINTENANCE TABLE 24 Maintenance Fertilization for Permanent Seedings Use Soil Test Recommendation or Rates Shown Below Seeding Mixture Formulation Lbs. per Lbs. per Time Mowing Acre 1000 sf Tall fescue makes 10-10-10 500 11.5 Yearly, or as *Not closer than 3" if up 70% or more or 400 9.2 needed fall occasional mowing is of cover. 30-10-10 desired. Crawnvetch Spring the year Do not mow crownvetch Service lespedeza 0-20-0 400 9.2 followin Birdsfoot trefoil establishment and every 4-5 years thereafter. Fairly uniform Fall the year Not required. not closer stand of Tall following than 4" if occasional Tescue & Service 5-11.)-10 500 11.5 establish- ment mowing is desired, and lespedeza, or and every 4-5 then in fall after seed Birdsfoot Trefoil. years thereafter. has matured. Weeping Spring the year Not required. not closer Lovegrass & following than 4" if occasional Service lespedeza 5-10-10 500 11.5 establishment mowing is desired, and fairly uniform plant and every 3-4 fall after sericea has distribution years thereafter. matured. Red & chewings 20-10-10 250 5.8 September, 30 Mow no closer than 2" for red fescue and Ky fescue, Kentucky days later December, May bluegrass; and closer bluegrass, hard --. 201010 100 23 20-June'-30, if than 3" for fescue. fescue mixture: needed. TEMPORARY SEEDING MIXTURES FOR Ts THE PIEDMONT AREA TABLE 26 TEMPORARY SEEDINGS BY RATES, DEPTHS, AND DATES Seeding Rate Planting depth Seeding zones �Q and Seeding Date Species Per Lbs/1000 7a and 7b 6b 6a and 5b acre Sq. ft (Inches) 8/1- 2/1- 5/1- 8/15- 3/1- 5/1- 8/15- 3/15- 6/1- 4/30 8/14 11/30 4/30 8/14 11/15 5/31 7/31 10/31 Choose one: BY BY BY Barley 2.5 bu. 2.80 1-2 X - 10/15 X - 10/15 X - 10/1 Oats 3 bu. 2.21 1-2 X - - X - - X - - Rye (4) 2.5 bu. 3.22 1-2 X - X X - X X - X Barey or Rye Plus 150 lbs. 3.45 1 X X 10/15 X X 10/15 X X 10/1 Foxtail X X X X X X X X X millet 5 Weeping lovegrass 4lbs. 0.09 1/4-1/2 - X - - X - - X - Annual ryegrasS 50 ibs. 1.15 1/4-1/2 X - 11/1 X - 11/1 X - 8/15 Millet (7) 50 lbs. 1.15 1/2 - X - - X - - X - (1) Applicable on slopes of 3:1 or flatter (2) Refer to figure A -Adopted from USDA, AIRS Miscellaneous Publication #1475, January 1990 (3) Between fall and spring seeding dates, use mulch only if ground is frozen and reseed when thawed (4) May be used as a nurse crop for late fall/early winter permanent seedings, add 56 Ibs/ac. to the permanent seeding mixture t`+l IVlarylana arare mynway murrumbuatlon I emporary oeeu mix (5) May be used as a nurse crop for mid -summer permanent seedings. Add 2 Ibsfac to permanent seed mix. (6) May be used as a nurse crop for mid -summer permanent seedings. Add 10 Ibs/ac. to the permanent seeding mix. TEMPORARY SEDIMENT TRAP 1'I VARIABLE* ORIGINAL VARIABLE GROUND ELEV. 1.0' 67 CU. YD./ACRE * N i VARIABLE 67 CU. YD./ACRE (EXCAVATED) 4' MAX. FILTER CLOTH ORIGINAL GROUND ELEV. *SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP CROSS SECTION OF OUTLET CLASS I RIPRAP LENGTH (IN FEET) _ XAC�INAGE AREA _ / (IN �� DIVERSION DIKE E 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 TO HEIGHT OF EMBANKMENT (FEET) �^�-��_EXCAVAaTED AREA MAX. DEPTH = 4' JRVL: Yfi. VJ►►Ii 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 HG H 4.0 3.0 3.0 4.5 3.5 4.0 5.0 4.0 4.5 ELEV. rug I L. J. 1 J- 1 �j,TH OF Jimmy L. Taggart Lic, No. 22841 G ONAL i • A4 W ..W �_ p`0 °'M 10 CM <C i Q. a°c Q cL� 2 OU WO i J 4 fl W ® 13O Q` _ LO Urn CV 04 V cc C,3LL � w to 0 r Z r�L cc W aL 9 0 w Z Uj %Q REVISIONS DATE March 5, 2019 SCALE NIA CONTOUR INTERVAL N/A i t♦ r` FILE NUMBER 19.0320 SHEET 7OF8 ra EROSION AND SEDIMENT CONTROL NARRATIVE PRIOR TO CONSTRUCTION 1. OWNER SHALL POST SURETY BONDS FOR CONSTRUCTION, EROSION & SEDIMENT CONTROL. 2. CONTRACTOR SHALL OBTAIN PERMITS TO WORK WITHIN STATE RIGHT-OF-WAY (VDOT LAND -USE PERMIT). BONDING FOR WORK WITHIN THE VDOT RIGHT-OF-WAY MAY BE REQUIRED TO OBTAIN THE PERMIT. 3. CONTRACTOR SHALL COORDINATE WITH OWNER TO OBTAIN VSMP PERMITS, AS REQUIRED BY THE STATE DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ). 4. CONTRACTOR SHALL OBTAIN LAND DISTURBANCE PERMIT FROM THE COUNTY OF ALBEMARLE PRIOR TO BEGINNING CONSTRUCTION. 5. A PRE -CONSTRUCTION MEETING WITH THE ENGINEER, THE CERTIFIED LAND DISTURBER, AND THE ENVIRONMENTAL INSPECTOR MAY ALSO BE REQUIRED. ALLOW 72 HOURS FOR COORDINATION AND SCHEDULING OF PRE -CONSTRUCTION MEETING. 6. AREA OF FOREST/OPEN SPACE SHALL BE DEMARCATED (FENCED -OFF) PRIOR TO ANY LAND DISTURBING ACTIVITIES. PROJECT DESCRIPTION THIS PROJECT PROPOSES TO BUILD A 2.5 ACRE LEVEL PAD FOR AGRICULTURAL USE ADJACENT TO AN UNIMPROVED PATH THAT RUNS WEST TO EAST ON THE SOUTH SIDE OF THE LOT. CONSTRUCTION OF THE PAD WILL CONSIST OF GRADING OPERATIONS ON THE NORTH OF THE UNIMPROVED PATH TO CREATE A LEVEL AREA FOR AGRICULTURAL USE AND STORAGE. THIS PROJECT PROPOSES TO DISTURB A TOTAL OF 3.86 ACRES. EXISTING SITE CONDITIONS THE CURRENT CONDITIONS OF THIS LOT CONSISTS OF APPROXIMATELY 62 ACRES OF VACANT GENTLE TO STEEPLY SLOPING LAND THAT GENERALLY DRAINS TO A 2.35 ACRE POND WITHIN THE PROPERTY WHICH OUTFLOWS WEST THROUGH AN EXISTING CREEK. ADJACENT AREAS THE RESIDENTIAL LOT IS BOUND BY ADJACENT RESIDENTIAL PROPERTIES AND AGRICULTURAL LAND AND IS FRONTED TO THE WEST BY STATE ROUTE 601 (FREE UNION ROAD). OFF -SITE AREAS ANY EXCESS MATERIAL GENERATED AS PART OF THIS PROJECT SHALL RE STORED OR SPREAD WITHIN THE APPROVED LAND DISTURBANCE AREA OR IN AN AREA APPROVED BY THE COUNTY OF ALBEMARLE COMMUNITY DEVELOPMENT DEPARTMENT. SOILS 4D-ASHE LOAM - 7 TO 15 PERCENT SLOPES HYDROLOGIC SOIL GROUP B. DEEP, MODERATELY SLOPING AND SOMEWHAT EXCESSIVELY DRAINED. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM, SANDY LOAM. PERMEABILITY IS MODERATE WHILE AVAILABLE WATER CAPACITY IS LOW. SURFACE RUNOFF IS LOW. HAZARD OF EROSION IS MODERATE. 3613-HAYESVILLE LOAM 2 TO 7 PERCENT SLOPES HYDROLOGIC SOIL GROUP B. DEEP, GENTLY SLOPING AND WELL DRAINED. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM CLAY, SANDY -CLAY LOAM AND FINE SANDY LOAM. PERMEABILITY IS MODERATE WHILE AVAILABLE WATER CAPACITY IS HIGH. SURFACE RUNOFF IS MEDIUM. HAZARD OF EROSION IS SLIGHT. 36C-HAYESVILLE LOAM 7 TO 15 PERCENT SLOPES HYDROLOGIC SOIL GROUP B. DEEP, MODERATELY SLOPING AND WELL DRAINED. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM CLAY, SANDY -CLAY LOAM AND FINE SANDY LOAM. PERMEABILITY IS MODERATE WHILE AVAILABLE WATER CAPACITY IS HIGH. SURFACE RUNOFF IS MEDIUM. HAZARD OF EROSION IS SLIGHT. 14D-CHESTER LOAM 15 TO 25 PERCENT SLOPES HYDROLOGIC SOIL GROUP B. DEEP, STEEP SLOPING AND WELL DRAINED. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM, CLAY, SANDY CLAY LOAM, AND BEDROCK. PERMEABILITY IS MODERATE WHILE AVAILABLE WATER CAPACITY IS MODERATE. SURFACE RUNOFF IS MEDIUM. HAZARD OF EROSION IS MODERATE. 37C3-HAYESVILLE CLAY LOAM 7 TO 15 PERCENT SLOPES SEVERLY E RO D-ED DEEP, MODERATELY SLOPING AND WELL DRAINED. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF CLAY LOAM, CLAY AND SANDY CLAY LOAM. PERMEABILITY IS MODERATE WHILE AVAILABLE WATER CAPACITY IS HIGH. HAZARD OF EROSION IS SLIGHT. 7B - BRADDOCK LOAM, (2% TO 7% SLOPES) DEEP, SLIGHTLY SLOPES WELL DRAINED SOILS. STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM AND CLAY. PERMEABILITY IS HIGH WHILE AVAILABLE WATER CAPACITY IS HIGH. HAZARD OF EROSION IS SLIGHT. CRITICAL AREAS NO CRITICAL AREAS EXISTS WITHIN THE PROPOSED DEVELOPMENT. STRUCTURAL PRACTICES 1. TEMPORARY CONSTRUCTION ENTRANCE (3.02) - A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE INSTALLED AT SITE ENTRANCE OFF OF FREE UNION ROAD. 2. 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 TO FILTER RUNOFF FROM SHEET FLOW AS INDICATED ON THE EROSION AND SEDIMENT CONTROL PLAN. 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 14 DAYS SHALL BE STABILIZED 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. PERMANENT SEEDING (3.32) - AREAS BROUGHT TO FINAL GRADE OR THOSE CONSTRUCTION AREAS THAT WILL REMAIN DORMANT FOR YEAR OR MORE SHALL BE STABILIZED WITH A PERMANENT SEED MIXTURE ACCEPTABLE 1-0 THAT TIME OF YEAR. PREPARE SURFACE WITH APPROVED TREATMENT AND ADDITIVES PRIOR TO APPLYING SEED. 14 5. 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. 6. DUST CONTROL (3.39) - DUST CONTROL METHODS MUST BE USED TO REDUCE THE AMOUNT OF AIRBORNE DUST DURING ALL PHASES .OF CONSTRUCTION WHERE SOIL IS EXPOSED OR DISTURBED. MANAGEMENT STRATEGIES 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE. 2. THE CONSTRUCTION ENTRANCE AND PERIMETER EROSION CONTROL MEASURES SUCH AS TREE PROTECTION AND SILT FENCE SHALL BE INSTALLED AS THE FIRST STEP OF DISTURBANCE. 3. SEDIMENT TRAP MEASURE SHALL BE INSTALLED WITH PERIMETER SILT FE NCE PRIOR TO ANY GRADING AND SHALL BE SEEDED AND MULCHED IMMEDIATELY FOLLOWING INSTALLATION. 4. THE SEDIMENT TRAP SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES ONE-HALF OF THE DESIGN VOLUME OF THE WET STORAGE (ELEV=526.5) 5. TEMPORARY SEEDING OR OTHER STABILIZATION METHODS, SUCH AS BASE AGGREGATE WILL FOLLOW IMMEDIATELY AFTER REACHING FINAL GRADES. 6. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED TO ESTABLISH GROWTH. 7. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES. 8. DURING FINE GRADING OPERATIONS, MAINTAIN ALL DIVERSION DITCHES TO THE SEDIMENT TRAP. THE SEDIMENT TRAP SHALL REMAIN FUNCTIONAL THROUGHOUT CONSTRUCTION. AFTER BEING NOTIFIED BY THE EROSION AND SEDIMENT CONTROL ADMINISTRATOR, THE TEMPORARY EROSION AND SEDIMENT CONTROLS CAN BE CLEANED UP OR REMOVED, AND THE SEDIMENT TRAP CAN BE FILLED IN AND SEEDED FOR SITE STABILIZATION. PERMANENT STABILIZATION ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH STRAW & SEED IMMEDIATELY FOLLOWING FINISHED GRADE. 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. EROSION CONTROL MAINTENANCE 1. IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 2. THE CONSTRUCTION ENTRANCE SHALL BE CHECKED DAILY FOR SOIL BUILDUP. IF THE ENTRANCE BECOMES CLOGGED WITH SOIL AND FAILS TO PREVENT THE TRANSPORTATION OF SOIL ONTO THE ROADWAY, ADDITIONAL STONE, REPLACEMENT OF STONE, OR A WASH -RACK MAY BE REQUIRED. 3. 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. 4. 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. 5. STORMWATER CONVEYANCE CHANNELS (WHERE APPLICABLE): 5.1. 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. 5.2. 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. 5.3. 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. 6. CHECK DAMS (WHERE APPLICABLE): 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 THE CENTER OF EACH DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY HIGH FLOWS AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED IMMEDIATELY. 7. THE EARTHEN EMBANKMENTS SHALL BE CHECKED REGULARLY TO ENSURE THAT IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT. 8. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE NOT BEEN DAMAGED BY EROSION. 9. 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. 10. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR TREES.(REFER TO THE ADDITIONAL MAINTENANCE SPECIFICATIONS) 11. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED. IN THE EVENT THAT THE APPLIED SEEDING FAILS TO TAKE HOLD, BLANKET MATTING SHALL BE PLACED IN APPROPRIATE AREAS DEEMED NECESSARY BY THE ENGINEER OR EROSION CONTROL INSPECTOR. SEQUENCE OF CONSTRUCTION 1. AFTER OBTAINING ALL REQUIRED PERMITS THE CONTRACTOR SHALL COORDINATE A PRE -CONSTRUCTION MEETING, ALLOWING 72 HOURS FOR ITS COORDINATION. 2. INSTALL CONSTRUCTION ENTRANCE OFF OF FREE UNION ROAD. 2.1. SHOULD THE TEMPORARY CONSTRUCTION ENTRANCE OFF OF FREE UNION ROAD NOT BE MAINTAINED PROPERLY OR AN EXCESSIVE AMOUNT OF SOIL FOUND TRACKED ONTO THE PUBLIC ROADWAY, THEN A PAVED CONSTRUCTION ENTRANCE, WATER TANKER TRUCK WITH TWO (2) PRESSURE WASHERS AND A SETTLING AREA MAY BE REQUIRED BY THE EROSION AND SEDIMENT CONTROL PROGRAM ADMINISTRATOR. 3. CLEARING AND GRUBBING SHALL FIRST BE LIMITED TO THAT NECESSARY TO INSTALL SILT FENCE AND OTHER PERIMETER CONTROLS. ALL PERIMETER CONTROLS MUST BE MADE FUNCTIONAL PRIOR TO ANY UPSLOPE LAND DISTURBANCE THAT TAKES PLACE. 3.1. SILT FENCE SHALL BE INSTALLED ON THE DOWNHILL SIDE OF THE ACTIVE GRADING OPERATIONS. 4. PRIOR TO ADDITIONAL CLEARING AND GRUBBING, THE CONTRACTOR SHALL COORDINATE INSPECTIONS, AS REQUIRED BY THE COUNTY OF ALBEMARLE. 5. CLEAR AND GRUB THE REMAINDER OF PROJECT AREA. 5.1. THE LAND DISTURBANCE SHALL BE RESTRICTED TO THE LIMITS OF DISTURBANCE SHOWN IN THE APPROVED EROSION CONTROL PLANS. 5.2. THESE LIMITS ARE CONFINED TO THE PROPERTY BOUNDARIES SHOWN HEREON THIS PLAN. 6. STOCKPILE TOPSOIL 'WITHIN AN AREA ON THE PROPERTY OR A LOCATION APPROVED BY ALBEMARLE COUNTY COMMUNITY DEVELOPMENT. INSTALL SILT FENCE AT THE PERIMETER OF STOCKPILES) AS NECESSARY. 7. DENUDED AREAS SHALL DRAIN TO AN APPROVED EROSION CONTROL MEASURE AT ALL TIMES DURING CONSTRUCTION. 8. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED W T HiN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 9, LIME, FERTILIZE AND APPLY TEMPORARY OR PERMANENT SEEDING TO ALL DENUDED AREAS IMMEDIATELY AFTER ACHIEVING FINAL GRADES. 10. ALL PERMANENT SLOPES STEEPER THAN 3:1 SHALL RECEIVE STABILIZATION WITH LANDSCAPING VEGETATION HARDIER THAN GRASS, WHICH WILL NOT REQUIRE MOWING. 11. AFTER PROPOSED CONSTRUCTION IS COMPLETED AND THE SITE IS COMPLETELY STABILIZED, PERMISSION IS TO BE OBTAINED FROM THE EROSION CONTROL INSPECTOR FOR THE REMOVAL OF SILT FENCING AND OTHER REMAINING TEMPORARY EROSION CONTROL MEASURES. EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS 1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS 'WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. CONTRACTOR SHALL ESTABLISH A STABILIZED SITE, AND NOT ALLOW ANY SEDIMENT TO EXIT THE PROJECT LIMITS. 2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. CONTRACTOR TO PROTECT STOCKPILE AREAS WITH SILT FENCE. 3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. CONTRACTOR SHALL ESTABLISH A VEGETATIVE COVER ON ALL DENUDED AREAS. 4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. CONTRACTOR SHALL ESTABLISH THE PERIMETER CONTROLS OF SUPER SILT FENCE AS THE FIRST STEP OF THE LANDS DISTURBANCE FOR THIS PROJECT. 5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. CONTRACTOR SHALL INSPECT EROSION CONTROL MEASURES AFTER EACH RAINFALL EVENT. 6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. THERE ARE NO SEDIMENT TRAPS OR BASINS PROPOSED. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A 25-YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. 7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. THERE ARE NO PROPOSED CUT OR FILL SLOPES. HOWEVER, THE CONTRACTOR IS TO RESTORE THE PROJECT AREA TO EXISTING GRADE. IF THE AREAS WITH NATURALLY STEEP SLOPES ARE FOUND TO BE ERODING EXCESSIVELY AFTER ONE YEAR, CONTRACTOR IS TO PROVIDE ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. 8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE.MAXIMIZE SHEETFLOW AND GROUNDWATER INFILTRATION 9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. CONTRACTOR TO NOTIFY ENGINEER AND COUNTY EROSION CONTROL INSPECTOR. 10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT.THERE ARE NO STORM SEWER INLETS PROPOSED. 11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL.THERE ARE NO STORMWATER CONVEYANCE CHANNELS OR PIPES PROPOSED. 12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NON -ERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NON -ERODIBLE COVER MATERIALS. CONTRACTOR SHALL FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS. 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NON -ERODIBLE MATERIAL SHALL BE PROVIDED. CONTRACTOR SHALL FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING - REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS. 14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET.CONTRACTOR SHALL FOLLOW FOLLOW ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS. 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. CONTRACTOR SHALL FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS. 16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RE -STABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THIS CHAPTER. F. APPLICABLE SAFETY REQUIREMENTS SHALL BE COMIPLIED WITH.CONTRACTOR TO ADHERE TO THE APPLICABLE STANDARD FOR PRIVATE AND PUBLIC UTILITY INSTALLATION. 17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES -CONTRACTOR SHALL MAKE PROVISIONS TO KEEP ADJACENT ROADS CLEAN FROM SOIL BUILD-UP. 18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE VESCP AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDI M ENTATI ON. CONTRACTOR SHALL STABILIZE SITE, AND OBTAIN INSPECTOR APPROVAL PRIOR TO REMOVING EC MEASURES. UPON APPROVAL OF THE ENVIRONMENTAL INSPECTOR, INISTALL INFILTRATION AREAS AND CONNECT ROOF DRAINS. 19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE FOLLOWING STANDARDS AND CRITERIA. STREAM RESTORATION AND RELOCATION PROJECTS THAT INCORPORATE NATURAL CHANNEL DESIGN CONCEPTS ARE NOT MAN-MADE CHANNELS AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS:THIS PROJECT DOES NOT INCLUDE ANY ADDITIONAL IMPERVIOUS SURFACES AND THE PROJECT AREA WILL BE RESTORED TO ITS EXISTING CONIDTIONS.THEREFORE WILL NOT PRODUCE ANY ADDITIONAL STORMWATER RUNOFF. A. CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE RECEIVING CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS DISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE PERFORMED. B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED USING THE VSMP CHANNEL PROTECTION CRITERIA. STORMWATER DISCHARGES ARE CLASSIFIED INTO ONE OF THREE TYPES OF CHANNEL. (1) "MANMADE STORMWATER CONVEYANCE SYSTEM" MEANS A PIPE, DITCH, VEGETATED SWALE, OR OTHER STORMWATER CONVEYANCE SYSTEM CONSTRUCTED BY MAN EXCEPT FOR RESTORED STORMWATER CONVEYANCE SYSTEMS OR, (A) THE MANMADE STORMWATER CONVEYANCE SYSTEM SHALL CONVEY THE POST -DEVELOPMENT PEAK FLOW RATE FROM THE TWO-YEAR EVENT WITHOUT CAUSING EROSION OF THE SYSTEM DETENTION OF THE STORMWATER OR DOWNSTREAM IMPROVEMENTS MAY BE INCORPORATED INTO THE APPROVED LAND -DISTURBING ACTIVITY TO MEET THIS CRITERIA AT THE DISCRETION OF THE STORMWATER PROGRAM ADMINISTRATIVE AUTHORITY. (B) THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL BE MET. QDEVELOPED <= I.F. * (QPRE-DEV. * RVPRE-DEV.) / RVDEVELOPED UNDER NO CONDITION SHALL QDEVELOPED > Q PRE-DEV. NOR SHALL QDEVELOPED BE REQUIRED TO BE LESS THAN THAT QFOREST * RVPRE-DEV.)/RVDEVELOPED OR IN ACCORDANCE WITH ANOTHER METHODOLOGY THAT IS DEMONSTRATED BY THE VSMP AUTHORITY TO ACHIEVE EQUIVALENT RESULTS AND IS APPROVED BY THE BOARD. (2) "NATURAL STORMWATER CONVEYANCE SYSTEM" MEANS THE MAIN CHANNEL OF A NATURAL STREAM AND THE FLOOD -PRONE AREA ADJACENT TO THE MAIN CHANNEL OR, (3) "RESTORED STORMWATER CONVEYANCE SYSTEM" MEANS A STORMWATER CONVEYANCE SYSTEM THAT HAS BEEN DESIGNED AND CONSTRUCTED USING NATURAL CHANNEL DESIGN CONCEPTS. RESTORED STORMWATER CONVEYANCE SYSTEMS INCLUDE THE MAIN CHANNEL AND THE FLOOD -PRONE AREA ADJACENT TO THE MAIN CHANNEL. (A) THE DEVELOPMENT SHALL BE CONSISTENT, IN COMBINATION WITH OTHER STORMWATER RUNOFF, WITH THE DESIGN PARAMETERS OF THE RESTORED STORMWATER CONVEYANCE SYSTEM THAT IS FUNCTIONING IN ACCORDANCE WITH THE DESIGN OBJECTIVES. (B) THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL BE MET. SEE 19(B)(1)(B). EROSION & SEDIMENT CONTROL LEGEND C E 3,0z o C❑NSTRUCTI❑N ENTRANCE C R S 3,03 C R S NSTRUCTI STAB L Z TION ROAD S 3,05 n X SILT FENCE D V 3,12 DIVERSI❑N S T 3,13 S T SEDIMENT TRAP T S 3,31 T S TEMPORARY SEEDING P S 3.32 PS PERMANENT SEEDING D C 3,39 D C DUST CONTROL �� �I,T H OF vl� Jimmy L. Taggart Lic. No. 110 22841 % SS/ONAL ECG P9 V � w U wW N to 2 �(0 0� c CL go rz Lu > @ ®� wo 4 00 w¢ r W of ds _j a: N U cm cx i� 0 LL 1� W - Wul 0 W aW �� 0 W 0 CL REVISIONS DATE March 5, 2019 SCALE NIA CONTOUR INTERVAL N/A FILE NUMBER 19.0320 SHEET 80F8