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Home My WebLink AboutWPO201700015 Plan - E&S 2017-03-21Ell 3 PROJECT LOCATION MAP PROJECT INFORMATION 1. CLIENT: DAVID SLUTZKY 1705 LAMBS ROAD CHARLOTTESVILLE, VA 22901 PHONE: 434-989-5888 EMAIL: DAVID@FERMATAENERY.COM 2. PROJECT AGENT: BRIAN WAGNER PROJECT ENGINEER: KIP MUMAW, PE ECOSYSTEM SERVICES, LLC 209 2ND ST. SW SUITE 2A CHARLOTTESVILLE, VA 22902 CONTACT: KYLE ASHMUN 443.875.7804 KYLE@ECOSYSTEMSERVICES.US 3. PROPERTY OWNER: DAVID SLUTZKY 4. TOTAL ACREAGE OF DISTURBANCE: +1- 4.35 AC cn, max. 5. PROJECT WATERSHED: RIVANNA RIVER (SOUTH FORK) 0. 6. HYDROLOGIC UNIT CODE: 02080204 (8 -DIGIT) W 7. COUNTY PROJECT NUMBER: WP0201700015 U 2. w LEGEND � Q 3 * Vy TRIE + K q r STREA__ s ,n PH,", � , rte.O.i'y�x , ,` h,AS ,, ^ co - - PROPERTY LINE - LOD - PROPOSED LIMIITS OF DISTURBANCE N ^ r' 3 EXISTING CONDITIONS, GRADING, PROFILE (REACH 1) SF N - - EXISTING 1' CONTOUR LINE - - PROPOSED STREAM THALWEG o - Lo 7 TYPICAL SECTIONS & DETAILS SP STOCKPILE/STAGING a --,_ ---- EXISTING 5' CONTOUR LINE 10-13 EROSION & SEDIMENT CONTROL PLAN, DETAILS, PROPOSED 1' CONTOUR LINE N' 0 Nj -- Sira - EXISTING FEMA 100YR FLOOD LIMITS TREE TO BE REMOVED PROPOSED 5' C10NTOUR LINE - EXISTING DRIVEWAY PROPOSED LOG CROSS VANE J_ >' w - - EXISTING STREAM THALWEG PROPOSED ROCK STEP o, EXISTING FENCE PROPOSED ROCK CROSS VANE U EXISTING TREE PROPOSED LOG (OR ROCK) SILL W e; V STEEP SLOPES (ALBEMARLE COUNTY) PROPOSED J -HOOK U) - ABOVE GROUND CABLE�%j PROPOSED CONSTRUCTED RIFFLE O O N PROPOSED TOE WOOD �° (*T-� PROPOSED FLOODPLAIN BENCH PLANTING W L U_ 55; w , ( T� PROPOSED BUFFER PLANTING W, u)- LL 2 W ALBEMARLE COU.NTY, VIRGINIA APPROVAL: APPROVED y the Albern rle County w r 1 11irlijy a ��vdor,alrl�-0r�f D0(Ja11tYI� I�1 FU-�a'��i 1101 REGULATORY AUTHORITY SIGNATURE REGULATORY AUTHORITY SIGNATURE VICINITY MAP SCALE: 1" = 500' TITLLE DATE TITLLE DATE ESC LEGEND SHEET INDEX L❑D LIMITS OF DISTURBANCE 1-2 EXISTING CONDITIONS 3 EXISTING CONDITIONS, GRADING, PROFILE (REACH 1) SF SILT FENCE 4-5 GRADING (REACH 1) Co CONSTRUCTION ENTRANCE 6 PROFILE (REACH 2 & 2A) 7 TYPICAL SECTIONS & DETAILS SP STOCKPILE/STAGING 8-9 STRUCTURE DETAILS - - 10-13 EROSION & SEDIMENT CONTROL PLAN, DETAILS, AND SPECIFICATIONS s TREE TO BE REMOVED 14-15 PLANTING PLAN & DETAILS 16 PLANTING NOTES PROJECT NARRATIVE LOCATED IN ALBEMARLE COUNTY, VIRGINIA, THE PROPOSED WATER QUALITY IMPROVEMENT PROJECT CONSISTS OF RESTORING APPROXIMATELY 1,550 LINEAR FEET OF THREE UNNAMED TRIBUTARIES TO IVY CREEK, A TRIBUTARY TO THE SOUTH FORK RIVANNA RIVER RESERVOIR. THE OVERALL PURPOSE OF THE PROJECT IS TO GENERATE NUTRIENT OFFSET CREDITS FOR STORMWATER QUALITY AND POINT SOURCE NEEDS WITHIN THE RIVANNA RIVER AND JAMES RIVER WATERSHEDS. IN ADDITION TO WATER QUALITY IMPROVEMENTS AND POLLUTANT REDUCTIONS (SEDIMENT, NITROGEN, PHOSPHORUS) FROM RIPARIAN BUFFER AND STREAM RESTORATION, THE PRIMARY GOAL IS TO RE-ESTABLISH A FUNCTIONAL STREAM CORRIDOR THAT WILL MAINTAIN DIMENSION, PATTERN, PROFILE. PROPOSED RESTORATION APPROACH WILL INVOLVE CHANNEL GRADING, EXCAVATION, AND SELECT STRUCTURE PLACEMENT TO RE-ESTABLISH STABLE DIMENSION, PATTERN, AND PROFILE, STRUCTURES AND BIOENGINEERING MEASURES INCLUDING ROCK & LOG CROSS VANES, J -HOOKS, LOG STEPS, CONSTRUCTED RIFFLES, TOE WOOD, ROOT WADS, AND SOIL LIFTS WILL BE UTILIZED. STREAM BANKS AND RIPARIAN BUFFERS WILL BE PLANTED WITH NATIVE TREES, SHRUBS, AND GRASSES. TWO EXISTING CULVERT CROSSINGS WILL BE REPLACED TO IMPROVE FLOOD FLOW CAPACITY, TRANSPORT OF WOOD AND SEDIMENT, AND AQUATIC ORGANISM PASSAGE. GENERAL NOTES 1. THIS IS A WATER QUALITY PROJECT. CHANNEL AND FLOOD PROTECTION REGULATIONS HAVE BEEN MET THROUGH NO CONCENTRATED STORMWATER FLOW BEING RELEASED FROM THE PROJECT AREA. THERE IS NO INCREASE IN IMPERVIOUS AREA. NUTRIENT DISCHARGE FOR THIS PROJECT IS UNDER 0.41 LBS PER ACRE PER YEAR. 2. ALL BASEMAPPING AND TOPOGRAPHIC SURVEY INFORMATION IS PROVIDED BY KEE MAPPING AND ECOSYSTEM SERVICES. THE SURVEY OCCURRED FROM 5/24/16 TO 6/10/16. 3. ADDITIONAL FIELD SURVEYS WERE CONDUCTED BY ECOSYSTEM SERVICES, LLC. 4. ADDITIONAL BASE MAPPING OBTAINED FROM COUNTY GIS AND VGIN. 5. HORIZONTAL DATUM: _NAD83 VIRGINIA STATE PLANE, SOUTH ZONE, US FOOT 6, VERTICAL DATUM: NAVD 88, US FOOT 7. THE CONTRACTOR SHALL CONTACT "MISS UTILITY" AT 811 OR 1-800-552-7001 PRIOR TO ANY LAND DISTURBING ACTIVITIES. 18. ALL WORK SHALL BE IN ACCORDANCE WITH FEDERAL, STATE, AND LOCAL STANDARDS. !9. ANY WORK THAT IS .REQUIRED FOR THE SUCCESSFUL COMPLETION OF THE PROJECT AS SPECIFIED IN THIS SET OF PLANS BUT NOT SPECIFICALLY ADDRESSED IN THE PLAN SET SHALL NOT RELIEVE THE CONTRACTOR OF THE RESPONSIBILITY TO COMPLETE SUCH WORK. '10. THE PROJECT DOES NOT INCLUDE THE ADDITION OF ANY IMPERVIOUS COVER. NO INCREASE IN RUNOFF WILL RESULT FROM THIS PROJECT. 11. NO WORK SHALL BEGIN WITHOUT ACQUISITION OF ALL LOCAL, STATE, AND FEDERAL PERMITS AND APPROVALS. 12. THE CONTRACTOR SHALL CONTACT ALBEMARLE COUNTY FOR A PRE -CONSTRUCTION MEETING PRIOR TO ANY LAND DISTURBING ACTIVITIES. 113. SHOULD A DISCREPANCY BE FOUND IN THE PLAN SET, THE CONTRACTOR SHALL CONSULT WITH DESIGN ENGINEER PRIOR TO COMPLETION OF SPECIFIC WORK. 14. ALL GRADING ACTIVITIES SHALL INCLUDE REMOVAL AND TEMPORARY STOCKPILING OF TOP SOIL, EXECUTION OF GRADING, AND REPLACEMENT OF TOPSOIL TO ACHIEVE FINAL GRADES. 115. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANY DAMAGE TO EXISTING CONDITIONS AS A RESULT OF ITS WORK PERFORMED DURING THE CONTRACT PERIOD. THIS RESPONSIBILITY SHALL INCLUDE RE -SEEDING DISTURBED AREAS AND TEMPORARY ACCESS ROADS. 116. THE CONTRACTOR SHALL KEEP ALL EQUIPMENT AND STAGING MATERIAL INSIDE THE LIMITS OF DISTURBANCE IJINLESS PRIOR APPROVAL BY THE PROJECT ENGINEER IS PROVIDED. 117. CLEARING & GRUBBING SHALL BE CONFINED TO THOSE AREAS NEEDED FOR CONSTRUCTION ACCESS AND GRADINIG. 118. UNDER NO CIRCUMSTANCES ARE TREES OVER 10" DBH TO BE REMOVED WITHOUT PRIOR APPROVAL FROM THE PROJECT ENGINEER UNLESS OTHERWISE SPECIFIED WITHIN THIS PLAN SET. 119. THE CONTRACTOR IS RESPONSIBLE FOR ALL TAKE -OFF QUANTITIES INCLUDING BUT NOT LIMITED TO FILL, STONE, AND VEGETATIVE MATERIALS. 7?0. PLAN VIEW LOCATION OF STRUCTURES IS APPROXIMATE. STRUCTURE PLACEMENT SHOULD FOLLOW THE PROFILE VIEW AND STRUCTURE DETAILS. 21. IF SITE OR CONSTRUCTION CONSTRAINTS PREVENT POOL OR STRUCTURE ELEVATIONS FROM BEING CONSISTENT WITH THE PLAN SET, THE CONTRACTOR SHALL CONTACT THE PROJECT ENGINEER TO FIELD MODIFY THE ELEVATIONS. 22. ALL SECTION VIEWS ARE ORIENTED LOOKING DOWNSTREAM UNLESS OTHERWISE SPECIFIED. 23. IN CONFORMANCE WITH DPOR REGULATIONS, SECTION 54.1-112 INVITED BIDDERS MUST DISCLOSE (1) WHETHER BIDDER IS A RESIDENT OR NONRESIDENT OF THE COMMONWEALTH, (11) WHETHER THE PROPER LICENSE OR CERTIFICATE HAS BEEN ISSUED TO THE BIDDER, AND (111) THE INFORMATION REQUIRED OF THE BIDDER TO SHOW EVIDENCE OF PROPER LICENSURE OR CERTIFICATION UNDER THE PROVISIONS OF THE ABOVE MENTIONED CORRESPONDING CHAPTER. \\ J \ h !, \ ✓ \� 406 1106— 43 \ = 2 WPO STREAM BUFFER, A.EXISTING BEDROCK OUTCROP J } /1 - `� iSrliC{# 1 1 \ \ �i j 406 '\ 405 t j --poi �- __- SB -00-00-034C0PARCEL ID: 04400 f 3 -_ f'" DAVID &MELISSA SLUTZKY 80" CMP �. LOD �/` INV. IN: 389.33; - _ 1705 LAMBS ROAD .' LOD --= LN� f i \ - _ , LOD L[�D- --- -f' !� i ...! INV. OUT: 388.01 j Fes. 4p3__--- _ CHARLOTTESVILLE, VA 22901 _ L�pD j. _ Ldi3 — LOD — _ LQ�- LOD t — # $ i l t'1 1 f — — LOD LOD LOD LOD L�DI LODr = LOI) I �ii�I ❑D --- `-,LODf1Dlg— LpD LOD LOD L — — �a\+/int -- ,fl -- -� -- 5 —�-�- � �i _ �� 403— __ i' f / _ ; --------- ,,. � \ , � _ — — _ ` _ -- , ` f''" / , R�Vg r f oR q 15fiic�; ,\` i 1 ,,\ _ — --' WPO STREAM BUFFER _ _ r 4p2� % �9° i �VF►,� e\ 1 /3g, --399— SB 99— =' q \• y i i"' ` \ �\ 4d l3gg-- y `'\ i� 1 r? •/ 510 \ \� \ . EXISTING TREES Yi:?� j 1.i' - O� i S �C'` :��ry �, { �' ` ��k'\ ``•� \K\.. ---"�I 39 ".".". �' !^ w.z, -' s _ --''� % `;.>'�---"--.,_% - -- 9 .5°��1 45' 18b n ` \ ~ ��\ �� XON \ \ tt � `\\ R LIMITS . " _., / �/� •'----_, \ .,� \ �,• \ Q `'� \ FEMA 1010Y ! � % - o �\ �� ;` �- i ice} �. V1170> i BEDROCK OUTCROP ,` f} � t t !/ � \� \`\`` � % 1 � ,,`'f't ��$i�`"Z �� r +00 c ��` f .,_ ✓ ,i \k� rjrjd)� ` z f �190 \ Yv`--'�yf7,r'r t"\ -r$ jl (' S, i 2 ^ :syr' REACH 2 - EXISTING THALWEG \ pl \ 1 , S �` 4 •t. \ &�,� i = / ,. •r fli- ��. ._ ---- ./ '•� \ t\ f '� 0 riz » 1!\ '-"�"� / l )) � Jf -�. \t fi°/-r - \ �� _ — '\l f `, -,s / �`"�t '� ri \ \ {% / "lr✓;r4i_ ll� `, ` 'fit �✓ 'i' `a _�' (,�� r / (OQ..'`, \ �% \ / \ / /` j �t - * < d bl '.\.,` - a ; . f ' r, n _, r.. - d , ii .`'.•„� fill -i d I (11I�\ ,-/'/r J/ j , \ f `� � f ! rl ,{� 1 Ea'� ''\ l� \\ r.: s�d'Pakt _ �lr•:. ,` ,.-.\i'`=- �J r/ \,, r ,!%/% �\ `� \\ ! �/' f/ `� �J ter�i_t�V;, ,,+,f.: .t; : \ . r✓/. t�ce _ d/' \ ii ,:;k,. �Y v.��tr✓ \, \ \\� __ ''�t` 10cedar ! \t to e, / / —? _ 241,lrll'' / - '\\\ \ �.;�j i 1r� 11„}Y,„ �.>r5 :. _ rE r� fl?: % ./r `a.,\ �.-'" f \ /fJQ;k\' •�^� \ \,, \,�^ / 1 1 r-,��:�,"J il r' r;\� I °J fi'i Y {' -{' '�.. •��. \ /i / \ 6 ;• `\\\`' t'i0-!be-ech �" a�:;',` y±,l•! `. t��'Dl3 S `\.. `- .f91 .. {t - .: ,. 4+00 \ \ """. \ ,,v gk "�,�,�• % . +,. 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CHARLOTTESVILLE, VA 22901 l� 20 10 0 20 40 1 "= 20 Feet NORTH L61 ! ® r r 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us t h. 0 WIC( I> L&M 1[ JNG MI UMAW I,ic. No. ®49293 rT n O ={# T \+ j 1w Wr �7 i 0 PROJECT MANAGER: BDW DESIGNED: CKA DR -AWN: CKA PROJECT: 16-0019 DATE: 3/14/17 SHEET: \ 19e) \,\ `'\ \\.. \� \�O� ~j •\4�`\.,`� �--\ \ rte\ WPO STREAM BUF-r R 110 10wnut ------------- \ \ \¢o �,ti : 04400-00-00-034C0 S y PARCEL ID T \/x\ ` \ \ u3 — --_ j DAVID & MELISSA SLUTZKY \ / ----- L❑ ~� �` ~` SB 1705 LAMBS ROAD / I' = i L rr t i5 �! F \ ✓` \ LpD \ CHARLOTTESVILLE, VA 22901 �� / Ede 399 \ `� f \ \�\ \ t i <; r J /r j Q� t 18 i'ii a p \ / \ 398 � \\ `''--- ----� \ / � ,/ �"-i , � `,, � \'` � �: " :'-v ! \ /' � of a rC 4 f p __ - O'� ,399,— �% \,' 3 \ 24s,ti -AL ` \ \i 'yam 98 `~'x, CMP 391� v ; INV. OUT: 388.01' is�_ Im 12aJ t INV. IN: 389.33' xl\ / \\ \. .,, L ❑ 7� i5y o, ` 395 ' •'�,; _.,`__- 7,----�.�n� L❑D .� " ^`!` s 7tia" N ? 24 1, syot EXISTING ABOVE GROUND Y; \,�Rf,`_ \\ f 394 \ `\ 7z XON - (- - �/ i % ` 01 ; jt`\• _ \ \ \ ` \ \ f' % f r r: ` �` v - .-.__'- 1 4? ` ./ j = �-,t f - r- �- P 1+ : ~•. S .J.r Jb:.----.\" / �,�-- �i" 1�'O\'/ -J `�. U.. ` �`ti`�\� /`"' ` \. S i t t r �( >43y� 24s`,/c \\ EXISTING HEADWALL \; f `2 4 sv c ao 36-S 196, ---=i Ll li � 1 aaLli 36syc j , -5 \ a \ = 3959)4--- TS� 11388 -39,13 f \ l \ \ r �`'�'----0`- ! � `` `� r /� � �\ . �✓� �---� f ms's � � -` J -" j �� \ "^"� J � a t i'• % F / �' \ -\� _ _ • \ � \ �,© � 1 \ � \ •\ �\ \\�\ � _. \ \ 389` \ / (� ^h \, \\ \ `( rn� 70 $ ` \ .9�. / -- '� �\� j \ �xi f=e if t, / S� .- 3g 1 92� —�� / % (b`- 39 3 1 - `''\ `\\ \ �\ J j/ �\ 24S yi `I �.� 4,, \ ,ti 390-----� � '�_ �\ \ / i � ,S � ` � 3 93-O� j 392 24-j 4- \ 'i 3s c �9---..L /� ,.� '`--- -,, ~ \Q" - , �• ~' 7-00 ~ — _ `— 9 O j � �,, \", \ \ ` � � �O �x 0 2',`�'iiLf ]STING CONCRETE S / J;r,., \ \�\• /� S; \ \ -- "� \ \ ' ` \` \ ` \•� J/`f- 15arilU I \\ `\� \ �\, \``--�`"„- / , �'` \ti \ \ 'j\'*. ,•-Z ../ jj./�j i �� \.. '�\ �,... \...,\ ' , T �• ` .{' i< ~ • ;�� \, .,\�ti • •.\ \� \ \ 9O \ `\ 7 f/' �\� �'��::s'u•.�\ AI l \ 6 943 1 \\ \ all� 1Ownui 24pop , \ 3g6 Qp-7 = 5_ _ 395 Qp� aa Qo� _39 \ �{ _�p� _--- Qa► ___-- Qac _-- Q❑, \ \ \ \ —398 1'e'/i1+1t aa -7 a0-1 ` U Lng h \ 401 —402-- U) 244 LU Yc,_._..__.' $� �� 99-'_`/ �'"/.!”// —403-- 00 --403 r :'\ 400 ----- - - - — �_! 404 �UD2 rsyr 'IT405— 4 ��\ \\ \� ♦ � �'E � � � -`�, � t / � /- '` � 1 ! �----- �- �- .�� `` `/,/ ✓ / /J//,fes ��---_'\\ \ \� 04 X LLf Uj ` 1 i PARCEL ID: 04400`\-00-00-08400 ARTHUR F. & VIRGINIA B. EDWARDS \ l 1707 MBS ROAD i! _,— _ ------ r r _ t CHARLOTTESVILLE, VA 22901 fes, LU t ,t T S/T '-- ='L7` ,Cly ,\ \-'.\ \\�`.• N _ J\ \ `\. \\ w_'_ �,.c= + _,.-.. .,4t /`�� / ,,�'/ / .� ,� — S S --�-7 S s C - /fie / ✓ �►.-...----.._-_/'., t'� w PARCEL ID: 04400-00-00-08500 \' U) /STEPHEN W. &CAROL D. RECORD / w 1700 LAMBS ROAD U \\ �`\ \ \ / _ I / CHARLOTTESVILLE VA 22901 _ —�, \\ \ \� / � ,a''Z f y . S ._ .S 20 10 0 20 40 O ' \. /ff/� �� \ V 1 „_ 20 Feet NORTH 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us 1 I I[PLENG Q 1 UbIAW > Lk No. ®49293 ti Ou fi i I o C) 1,6 Y , lid ------------ PROJECT �NIANAGER: BDW DESIGNED: CKA DRAWN: CKA PROJECT H: 16-0019 DATE: 3/14/17 SHEET: 415- 410- U) w U_ > w U) w I- U) VERTICAL SCALE: 1"=4' o HORIZONTAL SCALE: 1" = 20' 390 ♦\_l CJS `. �' � . \ *� A " 18 CMP / INV. IN: 396.03' s INV. OUT: 395.48 \ 11 \ 400, ! j� ' �' c-399----�.� !4 n 99 S_S NJ j � 1 � ( � • , O.1 --''' ,f `l, __I f • ,rte_ e,. � __ i -j =, } ,SJ — 'n, i QQ1 / 399 _- .-_, / / /r \ j j�flll /' s,`` T ` 4bee>'t l S lc- 18" CMP -'r/\ ''H -1S -_ iS L S INV. IN: 396.25 \ j / INV. OUT: 394.38` \\ f f f 404 405'-) J /// /� S . •-- _ �--.---`-- 20 w 10 0 20 40 EXISTING CONDITIONS 1"= 20 Feet NORTH 405- U) = 6 Ui « w c U C > w f C i I U G w H U - - --- ------ ._-._-__ ------ 400- -- 0 EXISTING TWIN 18": CMP TO BE REMOVED w 4 co N r N 395- LO4 i N O N _- PROP(OSED TOP OF BANK __ ___ _ IVY CREEK CONFLUENCE N c6 Ld - 390- U) w O r J Q i 11 0 - U N - -- — - -- --- -- — - — N — THALWEG - — — --- W. 385- > o -w ---- - -- -M Cn — ---PROPOSED -- C: - -r -- - N 1 w� W Q C) C0 M (0 NI F-' IIS + O ; �� M O i 0) O _ _ a to U 38a U) w U_ > w U) w I- U) VERTICAL SCALE: 1"=4' o HORIZONTAL SCALE: 1" = 20' 390 ♦\_l CJS `. �' � . \ *� A " 18 CMP / INV. IN: 396.03' s INV. OUT: 395.48 \ 11 \ 400, ! j� ' �' c-399----�.� !4 n 99 S_S NJ j � 1 � ( � • , O.1 --''' ,f `l, __I f • ,rte_ e,. � __ i -j =, } ,SJ — 'n, i QQ1 / 399 _- .-_, / / /r \ j j�flll /' s,`` T ` 4bee>'t l S lc- 18" CMP -'r/\ ''H -1S -_ iS L S INV. IN: 396.25 \ j / INV. OUT: 394.38` \\ f f f 404 405'-) J /// /� S . •-- _ �--.---`-- 20 w 10 0 20 40 EXISTING CONDITIONS 1"= 20 Feet NORTH 0+00 0+25 0+50 0+75 1+00 1+25 PROFILE 1+50 1+75 2+00 2+15 GENERAL NOTES (GRADING PLAN) 1. STRUCTURES DEPICTED ON PLAN VIEW ARE FOR SYMBOLIC PURPOSES ONLY. STRUCTURES ARE TO BE INSTALLED PER SPECIFICATIONS SHOWN IN PROFILE, TYPICAL SECTION, AND STRUCTURE DETAIL SHEETS. 2. STRUCTURE LOCATION, ELEVATIONS, AND SLOPES TO BE VERIFIED BY DESIGN ENGINEER TO ENSURE PROPER INSTALLATION. 3. COMPACTION OF SUBGRADE AND/OR FINAL GRADE MATERIAL SHALL BE MINIMIZED UNLESS OTHERWISE SPECIFIED BY DESIGN ENGINEER. SURFACE ROUGHENING TO BE EMPLOYED WHERE CONSTRUCTION EQUIPMENT APPEARS TO HAVE COMPACTED SOILS. 4. IF BEDROCK IS ENCOUNTERED, CONTRACTOR SHALL CONSULT WITH tDESIGN ENGINEER. d' tt 1 L� A \ LOG CROSS VANE (TYP.) \ 1 \A —AINVEs A `\ N 39 _ 4 / C11T.Zt 42p0 , 1 ° '\ f �� yofO \ �• j- r 38 I { i 1 A ` �`'\ 394 ,a»x`� ifrJ-i`'i i - i ,•-^.-^_•� '`, `` �,\` � . -.--------- :� V SM_ � :�; _ T ,gy:;LA` t a ru GFI \` o n i'• r1_ 3 i4 5 ---- ROCK STEP (TYP.) - �i1 �f �r?,U i , o� ,•y;, ,°. t r�f's�i , X05 . - \ ”' 30pop p 9�/ IN 24 6i i,..} S n •`° t r E`er >"""...-.-•^'.w- _^ � t J / f j EXISTING TWIN 18 CMP' TO BE REMOVED404 CONSTRUCTED RIFFLE ti 405`- r �_ Jll 1,J/Jr S y� 201,0 0 20 J =f GRADING PLAN - 1 f, " 1"= 20 Feet NORTH 40 t i : 1 -- ------ - - - --- ------ ._-._-__ ------ -- - -- EXISTING TWIN 18": CMP TO BE REMOVED r i — —y _- _-__„____. _ _- PROP(OSED TOP OF BANK __ ___ _ IVY CREEK CONFLUENCE c6 C7 r i 11 0 - N - -- — - -- --- -- — - — —r-- — THALWEG - — — --- -- -- - > o -w ---- - -- -M -m LC)---- { — ---PROPOSED -- r --- - -- - -r -- - 1 w� W Q C) C0 M (0 NI F-' IIS + O ; �� M O i _ _ to EXISTING RO W II �' CO _� --m�w¢ d 0) fn N - i` W >�- J -II --� II - M 0 0 ------ -rn I LU L LL E 1 l �"► i CO W > ± I STA = 0+20;00 (n If W f ELEV = 396.84- ' i 1 c � Uj W I { ; - --- ELEV = 394.80 _ _i_ STA = 0+93.071-1 { -- — -- - ---- # —_ — -- ------' ELEV394.1 9 -- — _._. - - _..- -- — --. STA = 1+07.09 . i 1 +61 ! 66 — ---- - ---- ------ _-----� — r-- ----- ---- ELEV = 393.51 —1--_------ -----F-- ---_STA _- --- ELEV = 391:25 - --- - -- - - STA =k 1 +217.41 STA - 1 +78.8-ELEV1 �' _70 ELEV = 390.09 _ -- ----- -- -------�-- - ------ST-A-=-1 �+42:92-- --' --- — --- -------- -- '. ----------- -- � --- - ---- ELEV ='392.08 --- ---- - --- ---- ----- ---- - — --- - - - - --- - -- - --- - --- -- ,-- STA . 2+04.32 + i ELEV.= 388.45 � f i i C' LO �t LO17 W N(q co co N co N_ 0 �M 1� M Lo COM N LO CO (0 co MM MM N 6� cv �M W a) W MM 0+00 0+25 0+50 0+75 1+00 1+25 PROFILE 1+50 1+75 2+00 2+15 GENERAL NOTES (GRADING PLAN) 1. STRUCTURES DEPICTED ON PLAN VIEW ARE FOR SYMBOLIC PURPOSES ONLY. STRUCTURES ARE TO BE INSTALLED PER SPECIFICATIONS SHOWN IN PROFILE, TYPICAL SECTION, AND STRUCTURE DETAIL SHEETS. 2. STRUCTURE LOCATION, ELEVATIONS, AND SLOPES TO BE VERIFIED BY DESIGN ENGINEER TO ENSURE PROPER INSTALLATION. 3. COMPACTION OF SUBGRADE AND/OR FINAL GRADE MATERIAL SHALL BE MINIMIZED UNLESS OTHERWISE SPECIFIED BY DESIGN ENGINEER. SURFACE ROUGHENING TO BE EMPLOYED WHERE CONSTRUCTION EQUIPMENT APPEARS TO HAVE COMPACTED SOILS. 4. IF BEDROCK IS ENCOUNTERED, CONTRACTOR SHALL CONSULT WITH tDESIGN ENGINEER. d' tt 1 L� A \ LOG CROSS VANE (TYP.) \ 1 \A —AINVEs A `\ N 39 _ 4 / C11T.Zt 42p0 , 1 ° '\ f �� yofO \ �• j- r 38 I { i 1 A ` �`'\ 394 ,a»x`� ifrJ-i`'i i - i ,•-^.-^_•� '`, `` �,\` � . -.--------- :� V SM_ � :�; _ T ,gy:;LA` t a ru GFI \` o n i'• r1_ 3 i4 5 ---- ROCK STEP (TYP.) - �i1 �f �r?,U i , o� ,•y;, ,°. t r�f's�i , X05 . - \ ”' 30pop p 9�/ IN 24 6i i,..} S n •`° t r E`er >"""...-.-•^'.w- _^ � t J / f j EXISTING TWIN 18 CMP' TO BE REMOVED404 CONSTRUCTED RIFFLE ti 405`- r �_ Jll 1,J/Jr S y� 201,0 0 20 J =f GRADING PLAN - 1 f, " 1"= 20 Feet NORTH 40 1 ® s 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem se rvi ces. us � WIDC LIIAM KEPLaICs 3 UIUMAW Lnc° N®o 049293 uc V W Q n � I� W PROJECT MANAGER: BDW DESIGNED: CKA D1�AtiVN: CKA PROJECT 16-0019 Dr1TE: 3/14/17 SHEET: 1 ® s 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem se rvi ces. us � WIDC LIIAM KEPLaICs 3 UIUMAW Lnc° N®o 049293 uc V W Q n � I� W PROJECT MANAGER: BDW DESIGNED: CKA D1�AtiVN: CKA PROJECT 16-0019 Dr1TE: 3/14/17 SHEET: 0+00 0+25 0+50 0+75 1+00 1+25 1+50 1+75 2+00 2+25 2+50 2+75 3+00 3+25 VERTICAL SCALE. 1"=4PROFILE HORIZONTAL SCALE: 1" = 20' 410- 405- cn LU L) LU 400 - LU JJ M N 395 - It 7 rn LO N 390 - LU ID < 385- REACH 2 3+50 3+75 4+00 4+25 4+50 4+75 5+00 n1r. 405- 9111C 395- 390- 385- REACH 2A 380- ------- ------- --- ---- --------- - -- - - - - - - 209 2nd St SW Suite 2A Cq 540.239.1428 Ui 0) REACH 2 3+50 3+75 4+00 4+25 4+50 4+75 5+00 n1r. 405- 9111C 395- 390- 385- REACH 2A 0+00 0+25 0+50 PROFILE VERTICAL SCALE: 1"=41 HORIZONTAL SCALE: 1" = 20' ------- ------- --- ---- --------- - -- - - - - - - 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us 0'evXTH 6 LOG STEP --- - ------- STA = 0+40-83 ELEV-==--394.00---- ----------RF-ACH-2 CONFLUENCE: STA = 0+89.01, MIJMAW Lic. No. 049293 CD11 --w w co Ln Q C) "t ---------- cli u)-- -w— "00 STA n± --j ELEV = 392.00 STA = 0+60.52 ELEV = 391.02 LOG STEP --STA;=-0+72.-98 ---- ----- ------ = 393,00 -00----------- --------E-LEV 'T rn Cn M co (D M co CO (D 03 M co 00 0) M 0+00 0+25 0+50 PROFILE VERTICAL SCALE: 1"=41 HORIZONTAL SCALE: 1" = 20' D > 4+50 r .0 1)- > VERTICAL SCALE: 1"=4' HORIZONTAL SCALE: 1 20' D 9 4+75 5+00 5+25 5+50 5+75 6+00 6+25 6+50 6+75 7+00 7+25 7+50 7+75 PROFILE 8+00 8+25 8+50 8+75 9*00 9+25 9+50 9+75 10+00 0+75 0+90 ---- --- ---- --------- - -- - - - - - - 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us 0'evXTH 6 WILLIAM KIP LLKG MIJMAW Lic. No. 049293 a4 &-4 Z) �-A Go --- — ------------- -- ---------- O -- - - - - -- - - - EXISTING GROUND X - - - __ _ - ---- ITI (ALONG PROPOSED ALIGNMENT) (AL 80" CMP TO BE REMOVED DESIGNED: CKA DRAWN: CKA PROJECT #: 16-0019 DATE: 3/14/17 SHEET: 6 /-INV. IN: 389.33' TE INV. OUT: 388.03' T 7- L0 Cf) 0) PROPOSED TOP (OF RANKI P, (0 0) (0 co + co C) 00 co -------------- H > co M + co i 00 + C\1 co C) CD C) - 00 C) 1�z x 05 U) LU > Lf) LO 0) w + + r-- 0) N 1 0 Ca- > W — --- --- -j 4- > w -1 — -------- + II C) > w- C'5 LO (D (Y) 1 00 + Cl) U') r1- 0) 00 00 00 06 --- 00 --- (D N 00 L0 U) w-c)--Op--M------06 +--00 r- - (0 1,- t U) w < w LU > w + + OD V) (0 00 (0 - -cc —(n -1.53% w < w < > Uj + rn 00 Cf) L6 (6 U) w U) LU Uj > + --LO- -T 0) 0C Oy 0) + ALL ly/0 -1-82% (0 Uj < 40 T ------- - ------ co Uj a) -LL LL VANE APROPOSED ROCK CROSS —7 01- 9QK- 5+48-.07-- 24G -T -6 4 X 90 0 --1-67% ELEV 389.76 STA 5+99.85 4 ELEV 388.8 [PROPOSED THALWEG STA 6+86.45 TA, 7+48.48 % ELEV = 388.17 ELEV 387.24 STA 8+12.46 ELEV 386.67 STA 8+95.55 IPROPOSED LOG CROSS '��A-N �-E- ------ - -----T 1EXISTING T HALWEG� - ---- -- ------STA =-9+83:6�---- EV--F-3-8-4-69, PROPOSED LOG SILL PROPOSED J -HOOK :Kj— co CO (D C9 (n CO LO LO od M (00) N0 CO C3 Ln Cn CM CO M to M 00 Ef) V) "t CD C4 r, M (0 V) LO (0 U') 40 0)O M— M-) w CD ,,N LO (D Cl) n LO CD C, CN 0) 0 M IM Co (6 Ui M C6 00 I-- 03O CD co CO 0 M co C) C6 0i co M 00 CO m0 00 00 ooh 00 00 CD co M 00 M 00 o1-- (n00 06 06 co CO C3 M CO OW 00 06 00 rl: 00 C) M 00 OD M 00 00 L6 00 CA M1 Cf) co co co M MMMM MM MM MM MM MM MM MM MM CMM MM MM MM M) Cl) MM MM MM M D > 4+50 r .0 1)- > VERTICAL SCALE: 1"=4' HORIZONTAL SCALE: 1 20' D 9 4+75 5+00 5+25 5+50 5+75 6+00 6+25 6+50 6+75 7+00 7+25 7+50 7+75 PROFILE 8+00 8+25 8+50 8+75 9*00 9+25 9+50 9+75 10+00 0+75 0+90 lei *-I 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us 0'evXTH 6 WILLIAM KIP LLKG MIJMAW Lic. No. 049293 a4 &-4 Z) �-A Go O -- - - - - -- - - - - - - - ITI PROJECT MANAGER: BDW DESIGNED: CKA DRAWN: CKA PROJECT #: 16-0019 DATE: 3/14/17 SHEET: 6 WIDTH OF CROSS SECTION VARIES (SEE CROSS SECTION SHEETS) SILLS TO BE USED WHERE SPECIFIED (MINIMUM 12" DIAMETER HARDWOOD LOG - WITH DESIGN ENGINEER APPROVAL NATURAL FIBER MATTING - RIFFLE GRADE CONTROL MATERIAL (GRADED MIX AS SPECIFIED IN THE TABLE BELOW) MICRO POOL B LIMITS OF RIFFLE BED MATERIAL LA' PLAN VIEW RIFFLE MATERIAL GRADATION - REACH 1 (IN) D16 D30 D50 D84 D95 0.84 1.57 5.24 7.02 7.59 VDOT Class % of Mix #1 45% Class Gabion 55% Class Al 0% Class 1 0% Class 2 0% Class 3 1 0% RIFFLE MATERIAL GRADATION (IN) REACH 2 STATION 0+00 - 5+33 D16 D30 D50 D84 D95 0.84 1.57 5.24 7.02 7.59 VDOT Class % of Mix #1 45% Class Gabion 55% Class Al 0% Class 1 0% Class 2 10% 0% Class 3 0% CONSTRUCTED RIFFLE - REACH 1 & 2 NOT TO SCALE GLIDE LENGTH & SLOPE VARY (SEE PROFILE) STONE PLACEMENT EXTENTS RIFFLE MATERIAL GRADATION (IN) REACH 2 STATION 5+63 - END D16 D30 D50 D84 D95 1.40 2.62 8.73 11.70 12.66 VDOT Class % of Mix #1 30% Class Gabion 70% Class Al 0% Class 1 0% Class 2 0% Class 3 0% DETAIL 1 PLANT GRASS PLUGS 4 -5 - BEYOND TOP OF BANK U) w SILL BOULDERS OR LOGS TO BE KEYEDINTO BANK MIN. 3 FEET WOODY MATERIAL TOP OF BANK CLASS D GEOTEXTILE FABRIC GLIDE NATURAL FIBER MATTING KEYED TUBELINGS/PLUGS/LIVE STAKES TO IN MIN 6" INTO GROUND AND. 5' BE PLANTED (SEE PLANTING PLAN) BEYOND BANK GRADING LIMITS ANCHOR STAKE (SEE MATTING DETAIL) NATURAL FIBER MATTING MIN. 6" RGC MATERIAL TO EXTEND A MIN. 6" FROM BOTTOM OF BANK SECTION B -B' MIN. 6-8" TOPSOIL EXISTING GROUND NATURAL FIBER MATTING TO BE KEYED IN MIN. V BANK TREATMENT DETAIL THALWEG .25'-1.5' SEE BANK TREATMEI DETAIL CROSS SECTION B -B' FLOW --► (-1.25'-1.5' VARY, SEE PROFILE SHEETS I LENGTH AND SLOPE VARY, SEE PROFILE SHEETS CROSS SECTION A -A' WOODY DEBRIS 1. IF CLAY, BEDROCK, OR ANY OTHER UNSUITABLE/RESTRICTIVE MATERIAL IS ENCOUNTERED IN SUBGRADE THEN CONSULT WITH DESIGN ENGINEER; PRIOR TO INSTALLATION TO DETERMINE A SUITABLE ALTERNATIVE. TOE WOOD - REACH 2 NOT TO SCALE RUN LENGTH AND SLOPE VARY, SEE PROFILE SHEETS BOULDER/LOG SILLS TO BE USED WHERE SPECIFIED ON PROFILE AND STRUCTURE TABLE - CLASS D GEOTEXTILE FABRIC WITHIN WOODY DEBRIS OF 2' BEYONDI BANKFULL STAGE AND A MINIMUM TO HELP FILL VOIDS AND OF U INTO THE BANK, WHICHEVER IS GREATER. AVOID PIPING 5. PLACE FILLEFR MATERIAL PARALLEL TO ROOT LARGE WOODY WAD LOGS. FILLER MATERIAL CAN CONSIST OF DEBRIS SMALL LOGS, LIMBS, TREE TOPS AND BRUSH. 6. FILLER MATEFRIAL SHALL BE COMPACTED WITH SOIL LIFT NOTES TEMPORARY COUNTER WEIGHT OR OTHER 1. EXCAVATE STREAM BANK AND CREATE A FLAT BENCH FROM TOP OF METHOD PRIOR TO BACKFILLING OVER THE e9N BANK TO STREAM BED. FILLER MATERIIAL. 2. SOIL STABILIZATION MATTING SHALL BE PLACED FROM THE FRONT OF 7. WHEN BACKRILLING OVER AND AROUND ROOT Okk THE BENCH, EXTENDING APPROXIMATELY 2 FEET ONTO THE BENCH. WAD LOGS PPNCK FILLER MATERIAL, STONE OR SECURE THE BACK END OF THE MATTING WITH SOD STAPLES TO PREVENT SOIL BETWEEIN ALL WADS TO FIRMLY SECURE MOVEMENT DURING BACKFILL OPERATIONS. EXCESS MATTING WILL ALL GAPS. BgNk� EXTEND TOWARD THE CENTER OF THE CHANNEL AND SHOULD BE FOLDED 8. ROOT WADS SHALL OVERLAP. OR ROLLED TO AVOID TEARS OR PUNTURES BY EQUIPMENT. 9. THERE SHALL [BE NO GAP BETWEEN THE BOTTOM 3. WHERE SOIL STABILIZATION MATTING ROLL ENDS OVERLAP OF THE CHAMNEL AND THE BOTTOM OF THE (PERPENDICULAR TO STREAM PROFILE), OVERLAP MATTING A MINIMUM OF ROOT WAD. 5 FEET. ONE WIDTH OF MATTING (8 FEET) IS TO BE USED FOR THE SOIL % ROOT WAD SHALL NOT BE DETERIORATED AT LIFT. NO OVERLAP OF MATTING EDGES IS ALLOWED. THE TIME OF INSTALLATION. 4. BACKFILL FROM BACK EDGE OF MATTING TO MEET THE PROPOSED 11. POOLS CONTAIINING TOE WOOD SHALL BE OVER GRADE AND COMPACT TO FORM A 3:1 SLOPE. EXCAVATED TO MAXIMUM POOL DEPTH. / 5. APPLY PERMANENT SEED MIX TO FRONT PORTION OF LIFT. 6. EXTEND EXCESS SOIL STABILIZATION MATTING ALONG SURFACE OF SLOPE AND ACROSS TOP OF LIFT A MINIMUM OF THREE FEET, PULLING MATTING TAUT BUT NOT STRETCHED SUCH THAT CONTACT WITH SOIL IS MAINTAINED IN ALL AREAS. 7. REPEAT STEPS 2 THROUGH 6 UNTIL DESIRED ELEVATION IS MET. 8. FOR TOP AND FINAL SOIL LIFT EXTEND EXCESS SOIL STABILIZATION MATTING ALONG SURFACE OF SLOPE AND ACROSS FLOODPLAIN A MINIMUM OF THREE FEET, PULLING MATTING TAUT BUT NOT STRETCHED SUCH THAT CONTACT WITH SOIL IS MAINTAINED IN ALL AREAS. 9. KEY SOIL STABILIZATION MATTING INTO FLOODPLAIN A MINIMUM OF 6 INCHES ON REAR EDGE OF SOIL LIFT. PC FI 20 IBACKFIL SELECT MP 1/3 OF PROPOSED BANKFULL WIDTH ROCK CROSS VANE - REACH 2 NOT TO SCALE SLOPE OF VANE FROM CENTERLINE FILTER TOP BANKFULL SHALL BE 2-5% FABRIC �z FLOW _ HEADER ' STONE i POOL FOOTER STONE ; ' i ' FILTER FABRIC SECTION A -A A 1/3 OF PROPOSED 1/3 OF PROPOSED 1/3 OF PROPOSED BANKFULL WIDTH BANKFULL WIDTH BANKFULL WIDTH BANKFULL ELEVATION \7 _V TOP OF CENTER 1/3 STONES SET AT ELEVATION SHOWN ON LONGITUDINAL PROFILE NO GAPS BETWEEN BOULDERS STREAMBED ELEV. ; FOOTER BOULDERS BOULDER SIZING SPECIFICATIONS B - AXIS (MEDIAN DIAMETER) 18"' - 24"' (VDOT CLASS 2) CLASS D - NONWOVEN GEOTEXTILE FABRIC SPECIFICATIONS SEE SOIL LIIFT NOTES & A7MAX. GRAB UPPER BANK WEIGHT -TYPICAL COIR EROSION BKF STAGE RE REGRADED AND SISTRENGTH CONTROL FABRIC STRENG \\ SEEDED MIN (LBS) PLANT PERMANENT SEED TOE WOOD NOTES): \ j 65 (ASTM MIX ON SLOPE FACE 1. G FOOTER LOS SHALL BE OF A HARDWOOD D-4833) N SPECIES WITH A MINIMUM TRUNK DIAMETER OF WOODY DEBRIS FILLER s� 811 . LAYER - PLACE PARALLEL 2, ROOT WAD LOGS SHALL HAVE A MINIMUM 6" TO ROOT WAD LOGS r ' TRUNK DIAMEITER. ROOT WAD LOGS ;= 3. TOE WOOD S3HALL BE CONSTRUCTED WITH A PLACE EXISTING a - MINIMUM OF 2 FOOTER LOGS. STREAMBED MATERIAL = 4 LENGTH OF FOOTER LOGS SHALL BE A MINIMUM FOOTER LOG ----- WITHIN WOODY DEBRIS OF 2' BEYONDI BANKFULL STAGE AND A MINIMUM TO HELP FILL VOIDS AND OF U INTO THE BANK, WHICHEVER IS GREATER. AVOID PIPING 5. PLACE FILLEFR MATERIAL PARALLEL TO ROOT LARGE WOODY WAD LOGS. FILLER MATERIAL CAN CONSIST OF DEBRIS SMALL LOGS, LIMBS, TREE TOPS AND BRUSH. 6. FILLER MATEFRIAL SHALL BE COMPACTED WITH SOIL LIFT NOTES TEMPORARY COUNTER WEIGHT OR OTHER 1. EXCAVATE STREAM BANK AND CREATE A FLAT BENCH FROM TOP OF METHOD PRIOR TO BACKFILLING OVER THE e9N BANK TO STREAM BED. FILLER MATERIIAL. 2. SOIL STABILIZATION MATTING SHALL BE PLACED FROM THE FRONT OF 7. WHEN BACKRILLING OVER AND AROUND ROOT Okk THE BENCH, EXTENDING APPROXIMATELY 2 FEET ONTO THE BENCH. WAD LOGS PPNCK FILLER MATERIAL, STONE OR SECURE THE BACK END OF THE MATTING WITH SOD STAPLES TO PREVENT SOIL BETWEEIN ALL WADS TO FIRMLY SECURE MOVEMENT DURING BACKFILL OPERATIONS. EXCESS MATTING WILL ALL GAPS. BgNk� EXTEND TOWARD THE CENTER OF THE CHANNEL AND SHOULD BE FOLDED 8. ROOT WADS SHALL OVERLAP. OR ROLLED TO AVOID TEARS OR PUNTURES BY EQUIPMENT. 9. THERE SHALL [BE NO GAP BETWEEN THE BOTTOM 3. WHERE SOIL STABILIZATION MATTING ROLL ENDS OVERLAP OF THE CHAMNEL AND THE BOTTOM OF THE (PERPENDICULAR TO STREAM PROFILE), OVERLAP MATTING A MINIMUM OF ROOT WAD. 5 FEET. ONE WIDTH OF MATTING (8 FEET) IS TO BE USED FOR THE SOIL % ROOT WAD SHALL NOT BE DETERIORATED AT LIFT. NO OVERLAP OF MATTING EDGES IS ALLOWED. THE TIME OF INSTALLATION. 4. BACKFILL FROM BACK EDGE OF MATTING TO MEET THE PROPOSED 11. POOLS CONTAIINING TOE WOOD SHALL BE OVER GRADE AND COMPACT TO FORM A 3:1 SLOPE. EXCAVATED TO MAXIMUM POOL DEPTH. / 5. APPLY PERMANENT SEED MIX TO FRONT PORTION OF LIFT. 6. EXTEND EXCESS SOIL STABILIZATION MATTING ALONG SURFACE OF SLOPE AND ACROSS TOP OF LIFT A MINIMUM OF THREE FEET, PULLING MATTING TAUT BUT NOT STRETCHED SUCH THAT CONTACT WITH SOIL IS MAINTAINED IN ALL AREAS. 7. REPEAT STEPS 2 THROUGH 6 UNTIL DESIRED ELEVATION IS MET. 8. FOR TOP AND FINAL SOIL LIFT EXTEND EXCESS SOIL STABILIZATION MATTING ALONG SURFACE OF SLOPE AND ACROSS FLOODPLAIN A MINIMUM OF THREE FEET, PULLING MATTING TAUT BUT NOT STRETCHED SUCH THAT CONTACT WITH SOIL IS MAINTAINED IN ALL AREAS. 9. KEY SOIL STABILIZATION MATTING INTO FLOODPLAIN A MINIMUM OF 6 INCHES ON REAR EDGE OF SOIL LIFT. PC FI 20 IBACKFIL SELECT MP 1/3 OF PROPOSED BANKFULL WIDTH ROCK CROSS VANE - REACH 2 NOT TO SCALE SLOPE OF VANE FROM CENTERLINE FILTER TOP BANKFULL SHALL BE 2-5% FABRIC �z FLOW _ HEADER ' STONE i POOL FOOTER STONE ; ' i ' FILTER FABRIC SECTION A -A A 1/3 OF PROPOSED 1/3 OF PROPOSED 1/3 OF PROPOSED BANKFULL WIDTH BANKFULL WIDTH BANKFULL WIDTH BANKFULL ELEVATION \7 _V TOP OF CENTER 1/3 STONES SET AT ELEVATION SHOWN ON LONGITUDINAL PROFILE NO GAPS BETWEEN BOULDERS STREAMBED ELEV. ; FOOTER BOULDERS BOULDER SIZING SPECIFICATIONS B - AXIS (MEDIAN DIAMETER) 18"' - 24"' (VDOT CLASS 2) CLASS D - NONWOVEN GEOTEXTILE FABRIC SPECIFICATIONS SEE SOIL LIIFT NOTES & A7MAX. GRAB PUNCTU WEIGHT -TYPICAL OTENSILE BKF STAGE RE LOW SISTRENGTH STRENG \\ MIN (LBS) TH (LBS) 8 OZ/SY (ASTM 0.212 (ASTM1 120 (ASTM 65 (ASTM D-5261) D 4751) D-4632) D-4833) SLIGHTY SEE SOIL LIIFT NOTES & HIGHER THAN DETAIL 1 B CKA PROJECT 9: BKF STAGE DATE: LOW SHEET: -FLO \\ j\ jx CROSS SECTION VIEW PT POINT BAR ,r FSO 141 WOODY DEBRIS FILLER LAYER - PLACE PARALLEL TO (ROOT WAD LOGS PLAN VIEW ROOT WAD LOGS FOOTER LOGS WILL BE PLACED INTO THE EXISTING SUBSTRATE A MINIMUM OF THE ROCK CROSS-SECTION DIAMETER BACKFILL WITH EXISTING STREAM BED MATERIAL FOOTER LOG OPTIONAL ROOT WAD ANCHOR BOULDER FOR ROOTWAD ONLY TIED INTO STREAM BANK BANKFULL BACKFILL WITH SELECT MATERIAL -� HEADER U FILTER FABRIC (CLASS SE) FOOTER LOG PLAN VIEW BANKFULL WIDTH SECTION A -A BOULDER SIZING SPECIFICATIONS B - AXIS (MEDIAN DIAMETER) 18"' - 24"' (VDOT CLASS 2) STREAMBANK MAX OF65' --- /7s, REAMBED ELEV. ROCK STEP (MINIMUM 18" DIAMETER LOGS TO BE USED AS ALTERNATIVE) BANKFULL ELEVATION FOOTER BOULDERS " WILL BE PLACED INTO THE EXISTING SUBTRATE A MINIMUM OF THE BOULDER DIAMETER STREAMBED _ ELEVATION SECTION B -B NOTES 1. ALL STONES ARE TO BE STRUCTURE STONE. 2. GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY FITTING BOULDERS TOGETHER AND PLUGGING WITH STRUCTURE STONE CLASS A AND SELECT MATERIAL OR CHINKING STONE APPROVED BY DESIGN ENGINEER, AND LINING WITH FILTER FABRIC. 3. DIMENSIONS AND SLOPES MAY BE ADJUSTED TO FIT BY THE DESIGN ENGINEER. 4. CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS TIGHTLY. 5. FOOTER BOULDERS AND VANE BOULDERS SHALL BE NATIVE STONE OR SHOT ROCK, CUBICAL OR RECTANGULAR IN NATURE. 6. SLOPE OF VANE FROM CENTERLINE TO THE TOP OF THE VANE ARM SHALL BE 2-5%. 7. THE ELEVATION OF EACH GRADE CONTROL STRUCTURE SHOULD BE EQUAL TO OR GREATER THAN THE ELEVATION OF THE TOP OF THE FOOTER ROCKS DIRECTLY UPSTREAM. 8. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE TO PREVENT WASHOUT OF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM T -HE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE. ,J -HOOK - REACH 2 NOT TO SCALE -ROCK SILL STREAM BED ELEVATION GROUND SURFACE FOOTER LOGS WILL BE PLACED INTO THE EXISTING SUBTRATE BANKFULL ELEVATION 2% Sr S�O/'F _ 1/2 BANKFULL ELEVATION STREAMBED ELEVATION SECTION B -B 1. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE 1/4 DIAMETER FROM THE TOP OF THE LOG. THE NAILS SHALL BE ON 12 INCH CENTERS. FILTER FABRIC SHALL BE BURIED IN THE BOTTOM OF THE CHANNEL AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE. 2. A TRENCH SHALL BE DUG IN SUCH A MANNER THAT THE FOOTER BOULDERS AND LOGS AND A MINIMUM OF 2/3 OF THE HEADER BOULDER IS BURIED BENEATH THE BED SURFACE ELEVATION. 3. A HYDRAULIC EXCAVATOR WITH A BUCKET THAT CONTAINS A HYDRAULIC THUMB SHALL BE USED TO PLACE BOULDERS AND LOGS WITH THE SUPERVISION OF THE ENGINEER. 4_ SEE BOULDER SIZING SPECIFICATIONS FOR HEADER AND FOOTER DIMENSIONS. 5. FOOTER LOG SHALL BE PLACED FIRST WITH HEADER LOG PLACED ON TOP PRIOR TO BACKFILLING THE TRENCH. 6. THE HEADER ROCK SHALL BE PLACED AT 0.2 FT ABOVE THE CHANNEL 1/3 OF THE WAY ACROSS THE CHANNEL FROM THE OUTSIDE BANK. 7. THERE SHALL BE GAPS BETWEEN THE HEADER ROCKS OF AT LEAST 0.2 FT. 8. HEADER LOGS SHALL SLOPE FROM THE BED ELEVATION, AT THE HEAD OF THE VANE, TO 1/2 BANKFULL ELEVATION AT A SLOPE OF 2%-5%. VANE ARM LENGTHS SHALL VARY DEPENDING ON POOL LENGTH, RADIUS CURVATURE AND CHANNEL INVERT EVELATION BUT FALL WITHIN THE RANGE OF 12-15 FEET IN LENGTH. 9. HEADER AND FOOTER LOGS SHALL BE TIED SECURELY INTO THE BANK IN SUCH A WAY THAT IT ELIMINATES THE POSSIBILITY OF STREAMFLOW DIVERTING AROUND THEM. 10. ANY SOIL DISTURBED DURING THE PLACEMENT OF J -HOOK VANES, SHALL BE SEEDED USING TEMPORARY AND PERMANENT SEEDING METHODS. 10. FOOTER, HEADER AND ROOTWAD (IF USED) LOGS SHALL BE CABLED TOGETHER AT THE HORIZONTAL LOCATION OF BANKFULL. 11. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE VANE STRUCTURE TO PREVENT WASHOUT OF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM THE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE. BOULDER 1 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us WHLLILAM KIPILHT(Ci MUMAW Lie. No. 049293 PAI 91 e�'; PROJECT MANAGER: BDW DESIGNED: CKA DRAWN: CKA PROJECT 9: 16-0019 DATE: 3/14/17 SHEET: V1 I WT r PAI 91 e�'; PROJECT MANAGER: BDW DESIGNED: CKA DRAWN: CKA PROJECT 9: 16-0019 DATE: 3/14/17 SHEET: FILTE FOOTER I HEADER13 PLAN VIEW �F--- CHANNEL WIDTH I (SEE TYPICAL SECTION) HEADER BOULDER STEP LENGTH ��—(SEE PROFILE) FOOTER BOULDER p = w 1� O w 3 sw w — t g, FILTER FABRIC PROPOSED GROUND PROFILE (SECTION A -A') CHANNEL WIDTH (SEE TYPICAL SECTION) PROPOS GROUNE F- U) 0) Cl) N O LO C U w U) F- a c N 0) 0 N a U C6 w (SECTION B -B') SILL BOULDER (TO BE KEYED NTO BANK MINIMUM 2 FT) v DER BOULDER �JTER BOULDER BOULDER SIZING SPECIFICATIONS B - AXIS (MEDIAN DIAMETER) 18"' - 24"' (VDOT CLASS 2) 1. ALL STONES ARE TO BE STRUCTURE STONE. 2. GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY FITTING BOULDERS TOGETHER, PLUGGING WITH STRUCTURE STONE CLASS A AND SELECT MATERIAL OR CHINKING STONE APPROVED BY DESIGN ENGINEER, AND LINING WITH FILTER FABRIC. 3. DIMENSIONS AND SLOPES MAY BE ADJUSTED TO FIT BY THE DESIGN ENGINEER. 4. CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS TIGHTLY. 5. FOOTER BOULDERS AND VANE BOULDERS SHALL BE NATIVE STONE OR SHOT ROCK, CUBICAL OR RECTANGULAR IN NATURE. 6. SLOPE OF VANE FROM CENTERLINE TO THE TOP OF THE VANE ARM SHALL BE 2-5%. 7. VANE ARM LENGTHS SHALL VARY DEPENDING ON POOL LENGTH, RADIUS CURVATURE AND CHANNEL INVERT ELEVATION. 8. THE ELEVATION OF EACH GRADE CONTROL STRUCTURE SHOULD BE EQUAL TO OR GREATER THAN THE ELEVATION OF THE TOP OF THE FOOTER ROCKS DIRECTLY UPSTREAM. 9. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE TO PREVENT WASHOUT OF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM THE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE. ROCK STEP DETAIL - RE:ACH 1 NOT TO SCALE CLASS D - NONWOVEN GEOTEXTILE FABRIC SPECIFICATIONS APPARENT GRAB TENSILE PUNCTURE WEIGHT -TYPICAL OPENING SIZE STRENGTH MIN STRENGTH 540.239.1428 MAX. (MM) (LBS) (LBS) 8 OZ/SY (ASTM 0.212 (ASTM 120 (ASTM 65 (ASTM D-5261) D-4751) DA632) DA833) BANKFULL ELEVATION HEADER LOG i n 1/2 BANKFULL / C� (r)1 - ELEVATION SELECT MATERIAL±� LOG CROSS VANE - REACH 1 & 2 SCALE: NTS FILTER FABRIC BACKFILL WITH SELECT MATERIAL FILTER FABRIC BURIED IN FILTER FABRIC FOOTER LOG BANK STREAMBED FOOTER LOG —� SECTION A -A HEADER LOG HEADER CROSSLOG BANKFULL S / 2%-4% 11 / // r OTER LOG i V/ FOOTER i iCfjOSS LOG SECTION B -B FILTE=F FOOTER LOG LOG ANGLE[ SHOWN ONI I PLAN VIEW OPTION 1 1. SILL LOGS SHALL BE OF A HARDWOOD SPECIES WITH A MINIMUM TRUNK DIAMETER OF 8" 2. LOG SILIL SHALL BE CONSTRUCTED WITH 1 FOOTERZ LOG AND 1 HEADER LOG. 3. ANGLE (OF LOGS IN CHANNEL SHALL MATCH THE ANGLE OF THE LOG AS SHOWN ON THE PLAN VIEW IN THE CONSTRUCTION PLANS. 4. NAIL FILTER FABRIC ON TOP OF FOOTER LOG USING 3" 10d GALVANIZED COMMON NAIL ON 2' SPACING ALONG THE LOG. 5. PLACE HEADER LOG SLIGHTLY FORWARD ON TOP OF THE FOOTER LOG ALLOWING FOR OVERHANG. 6. LENGTH OF THE LOGS SHALL BE A MINIMUM OF 2' BEYOND BANKFULL STAGE AND A MINIMUM OF 5' INTO THE BANK WHICHEVER IS GREATER. 7. PLATE THE UPSTREAM SIDE OF THE LOGS WITH FILTER FABRIC AND SELECT MATERIAL. FLOW I NOTCH SHALL BE CUT 2" WIDER THAN THE DIAMETER OF THE LOG —� 12" MIN r— TO FIT IN NOTCH a N I _CUT NOTCH — �1 0 J SIDE VIEW OF NOTCH SILL LOG TO BE USED ONLY IN REACH 2 BURIED IN BANK FILTER FABRIC _ BURIED IN BANK NOTES 1. CROSS LOGS SHOULD BE A MINIMUM OF 18" IN DIAMETER. VANE ARM LENGTH SHOULD BE A MINIMUM OF 18" IN DIAMETER. ALL LOGS SHOULD BE RELATIVELY STRAIGHT AND OF A HARDWOOD SPECIES. 2. CROSS LOGS SHOULD BE BURIED INTO THE BANK ATA MINIMUM OF 6'. 3. VANE ARM LOGS SHOULD BE BURIED INTO THE BANK AT A MINIMUM OF 6'. 4. NAIL FILTER FABRIC ON TOP OF FOOTER LOG USING 3" 10D GALVANIZED COMMON NAIL ON 2' SPACING ALONG THE LOG. 5. SET ELEVATION OF THE TOP OF LOG'S CROSS PIECE TO THE INVERT ELEVATION OF THE STREAMBED. 6. NOTCH IS FORMED BY MAKING CUTS WITH A CHAINSAW 1-2" APART AND THEN KNOCKING OUT SECTIONS WITH A CHISEL AND HAMMER. 7. ANGLE OF NOTCH SHOULD MATCH ANGLE BETWEEN LOG ARMS OF CROSSVANE AND STREAMBANK. 8. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE VANE STRUCTURE TO PREVENT WASHOUT OF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM THE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE. 15-30' PLAN VIEW OF NOTCH LOG STEP POOL STRUCTURE - REACH 1 SCALE: NTS 3,NK E WITH SELECT BED ELEV. FILTER FABRIC LOG ANGLED AS SHOWN ON PLANS FILTER FABRIC EXISITNG GROUND HEADER LOG / FOOTER LOG PTIONAL BOULDER )R STABILITY BACKFILL WITH SELECT MATERIAL STREAMBED 8. FILTER FABRIC SHALL BE PLACED ON THE UPSTREAM SIDE OF THE VANE STRUCTURE TO PREVENT WASHOUT OF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM THE BOTTOM OF THE FOOTER BOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE. BIANKFULL ELEVATION 'SECTION A -A BANKFULL ELEVATION SECTION B -B FILTER FABRIC 1."tZ , Y 24"MIN. HEADER LOG �— SCOUR POOL FOOTER LOG SECTION C -C LOG ANGLED AS SHOWN ON PLANS EXISITNG GROUND HEADER LOG FOOTER LOG BED ELEV. FILTER FABRIC BED ELEV. CLASS D -' NONWOVEN GEOTEXTILE FABRIC SPECIFICATIONS APPARENT GRAB TENSILE PUNCTURE WEIGHT -TYPICAL OPENING SIZE STRENGTH MIN STRENGTH 540.239.1428 MAX. (MM) (LBS) (LBS) 8 OZ/SY (ASTM 0.212 (ASTM 120 (ASTM 65 (ASTM D-5261) D-4751) D-4632) D-4833) j lei 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us I- I 1: LTH ILic. IJ(D. 0492933 �O1VAL z-m-a r a- } I 114 11 rn > >> PROJECT NIAINAGER: BDW DESIGNED: CKA DRAWN: CKA PROJECT 9: 16-0019 DATE: 3/14/17 SHEET: SEQUENCE OF CONSTRUCTION ESC VSMP WAIVER CONDITIONS _ \\ \ \ \ \ v T 1. NO CHANGES SHALL BE MADE TO THE PROJECT THAT WOULD SIGNIFICANTLY ALTER THE PREDEVELOPMENT 1. ALL APPLICABLE LOCAL, STATE, AND FEDERAL PERMITS SHALL BE OBTAINED PRIOR TO ANY LAND DISTURBING ACTIVITIES. RUNOFF CHARACTERISTICS OF THE LAND SURFACE AFTER THE COMPLETION OF CONSTRUCTION AND FINAL x� \\ ,\ 2. ALL PERMITS SHALL BE KEPT ONSITE. THE SWPPP SHALL BE HELD ON SITE AND MADE AVAILABLE UPON REQUEST TO ANY STABILIZATION; \ ` = ¢ \' ) ( 2. LAND DISTURBANCE SHALL BE MANAGED SO THAT LESS THAN ONE 1 ACRE OF LAND DISTURBANCE OCCURS ON A REGULATORY AUTHORITY AND THE GENERAL PUBLIC. ALL CONSTRUCTION ACTIVITIES SHALL BE LOGGED AND A RECORD KEPT \ ONSITE. DAILY BASIS; %pErr 3. THE DISTURBED LAND WHERE WORK HAS BEEN COMPLETED SHALL BE ADEQUATELY STABILIZED ON A DAILY BASIS; 3. THE LIMITS OF CLEARING AND ANY IDENTIIFIED SENSITIVE SITE FEATURES SHALL BE MARKED WITH ORANGE CONSTRUCTION FENCE 4. THE ENVIRONMENT SHALL BE PROTECTED FROM EROSION AND SEDIMENTATION DAMAGE ASSOCIATED WITH THE AND/OR FLAGGING. LAND -DISTURBING ACTIVITY; AND 1117` �`` �\ ~ ~`' 5. THE OWNER AND/OR CONSTRUCTION ACTIVITY OPERATOR DESIGNS, INSTALLS, IMPLEMENTS, AND MAINTAINS `\ 4. ALL MATERIAL GENERATED FROM CLEARING AND GRADING OPERATIONS THAT DOES NOT MEET DESIGN SPECIFICATIONS SHALL BE POLLUTION PREVENTION MEASURES T \ \ \ \ \ �` O. �r ,�� ~�_ 47p\\ \\ �\� �~•� A. MINIMIZE THE DISCHARGE \i �Q REMOVED, STOCKPILED DURING CONSTRUCTION, AND SENT TO AN APPROVED DISPOSAL SITE. SALVAGED MATERIAL THAT MEET ARGE OF POLLUTANTS FROM EQUIPMENT AND 09 \ VEHICLE WASHING, WHEEL WASH WATER, �\ DESIGN SPECIFICATIONS SHALL BE STOCKPILED AND UTILIZED TO THE MAXIMUM EXTENT PRACTICABLE. THE CONTRACTOR SHALL AND OTHER WASH WATERS; 1{`r'�� t J i ` \� \ p8~ \'``,.' WORK WITH THE DESIGN ENGINEER TO VERIFY THE AMOUNT OF EXCESS MATERIAL AND OPTIONS FOR DISPOSAL AND/OR UTILIZATION- B. MINIMIZE THE EXPOSURE OF BUILDING MATERIALS, BUILDING PRODUCTS, CONSTRUCTION WASTES, TRASH, t,\\ `•\ i'`� �p�.\ \ \-! \ ' LANDSCAPE MATERIALS, FERTILIZERS, PESTICIDES, HERBICIDES, DETERGENTS, SANITARY WASTE, AND OTHER \ \ \ \ 5. A PRECONSTRUCTION MEETING SHALL BE HELD AT LEAST ONE WEEK PRIOR TO STARTING CONSTRUCTION. AT A MINIMUM THE SITE MATERIALS PRESENT ON-SITE TO PRECIPITATION AND TO STORMWATER; \� SUPERINTENDENT SHALL CONTACT THE OWNER, THE PROJECT ENGINEER, DEQ, AND COUNTY REPRESENTATIVES TO SCHEDULE THE C. MINIMIZE THE DISCHARGE OF POLLUTANTS FROM SPILLS AND LEAKS AND IMPLEMENT CHEMICAL SPILL AND ;;,, \ 40 s \ LEAK PREVENTION AND RESPONSE PROCEDURES; PRECONSTRUCTION MEETING. D. PROHIBIT THE DISCHARGE OF WASTEWATER FROM WASHOUT OF CONCRETE; 6. INSTALL PERMITER EROSION AND SEDIMENT CONTROL MEASURES (STONE CONSTRUCTION ENTRANCE, LIMITS OF DISTURBANCE (TO E. PROHIBIT THE DISCHARGE OF WASTEWATER FROM THE WASHOUT AND CLEANOUT OF STUCCO PAINT ,FORM BE DEMARCATED BY ORANGE SAFETY FENCE), PERMANENT STOCKPILE/STAGING AREA AND SILT FENCE) WHERE SHOWN ON PLANS. RELEASE OILS, CURING COMPOUNDS, AND OTHER CONSTRUCTION MATERIALS; AND 7. INSTALL RAIN GAUGE ON THE PROJECT SITE OR USE LOCAL NOAA WEATHER STATION TO MONITOR AND PLAN FOR STORM EVENTS F. PROHIBIT THE DISCHARGE OF FUELS, OILS, OR OTHER POLLUTANTS USED IN VEHICLE EQUIPMENT / �� \ OPERATION AND MAINTENANCE. �•\ s \�k,�C � , -\ � , \ DURING CONSTRUCTION. ` 8. COMPLETE WORK AS SHOWN ON PLANS t� 1-�`'\ ESC GENERAL NOTES o�--y \ �flag\ ` 9. PERMANENTLY STABILIZE WITH SEED MIX AND TOPSOIL ONCE FINAL GRADE IS MET AND REMOVE ALL EROSION AND SEDIMENT rS CONTROL MEASURES AS NEEDED. 1. UNLESS OTHERWISE SPECIFIED, ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND I+ 10. IMPLEMENT PLANTING PLAN. MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, LATEST EDITION. 2. A COPY OF THE APPROVED ESC PLAN SHALL BE MADE AVAILABLE ONSITE AT ALL TIMES. 3. ALL EROSION CONTROL PRACTICES WILL BE INSPECTED ONCE EVERY SEVEN (7) DAYS AND WITHIN 48 HOURS 1 AFTER ANY STORM EVENT GREATER THAN A 0.25 (DURING A 24-HOUR PERIOD). IMMEDIATE CORRECTIVE ACTION 111 { ; << \` SHALL BE TAKEN FOR ANY DEVICE FAILURE. 409 / `•\ 4. PUMP AROUND SHALL BE USED WHERE DIVERSIONS ARE NOT PRACTICAL AND INSUFFICIENT ROOM IS AVAILABLE - �, 37�r1f TO SUCCESFULLY COMPLETE THE PRACTICE. ALTERNATIVE METHODS SHALL BE DISCUSSED AND DETERMINED TO -_ PREVENT DOWNSTREAM SEDIMENTATION FROM ACTIVE CONSTRUCTION ACTIVITIES. r / \ �\� \\ 5. THE MAXIMUM STREAM LENGTH DISTURBED AT A TIME (NOT TO EXCEED 200 FEET) WILL VARY DEPENDING ON 407/! ; WEATHER, ACCESS, AVAILABILITY OF MATERIALS, AND LOCATION ALONG THE PROJECT CORRIDOR. THE SOIL TYPE & BOUNDARY CONTRACTOR SHALL WORK WITH THE DESIGN ENGINEER TO DISCUSS ADJUSTMENTS TO THE SEQUENCE OF (SEE ESC NOTES FOR SOILS INFO) CONSTRUCTION. hick! 406 6. GRADED AND DISTURBED SECTIONS SHALL BE MATTED AND SEEDED AT THEIR COMPLETION. - / 7. MULCHING AND TEMPORARY SEEDING SHALL BE APPLIED AFTER COMPLETION OF EACH SECTION OF RESTORATION. 4 j { 1 \ 1 1 �\• 405 // -__ _ _ - __ -- \ 8. EROSION CONTROL MATTING SHALL BE APPLIED TO ALL DISTURBED SLOPES 3:1 OR GREATER. ;12pUf� \\ STAGING/STOCKPILE `\, \ , �� SP j� Tg 1 v i SB i' j Lp LO LOD - -�L�D LO aD\ LOB --LSD-��= LSD _ \ �\ 1�;��1�: ple dial \ --- 1 LOD L❑D _._. 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No. 049293 �d01kTAL O � r ---d H s ` q 0 0 W n✓ - - - ------ PROJECT MANAGER: BDW DESIGNED: CKA DRAWN: CKA PROJECT 4': 16-0019 DATE: 3/14/17 SHEET: U) U) W _U ry W 07 W I- U) U) O U W Q 00 N N O N N > W J rn W I- I - O J X Q 2 U Q N W rn rn W _U X W U W 0 STANDARD SYMBOL SILT FENCE DETAIL I -_SF --i 6 FT MAX. }- CENTER TO CENTER36 IN MIN. FENCE POST LENGTH n _ DRIVEN MIN. 16 IN INTO GROUND V ELEVATION 36 IN MIN. FE POST LENGTH 16 IN MIN. HEIGHT OF WOVEN SLIT FILM GEOTEXTILE -8 IN MIN. DEPTH INTO GROUND WOVEN SLIT FILMFENCE POST 18 IN IGEOTEXTILE ABOVE GROUND FLOW /-GROUND RBED EMBED GEOTEXTILE MIN. OF 8 IN VERTICALLY INTO THE GROUND. BACKFILL AND COMPACT THE SOIL ON BOTH SIDES OF GEOTEXTILE. POSTS STEP 1 STAPLE STAPLE FENCE POST DRIVEN A MIN. OF 16 IN INTO THE GROUND CROSS SECTION STEP 2 A R2 STA STAPLE TWIST POSTS TOGETHER STAPLE STAPLE STEP 3 O FINAL CONFIGURATION STAPLE STAPLE JOINING TWO ADJACENT SILT FENCE SECTIONS (TOP VIEW) 1 of 2 SILT FENCE - STD. & SPEC. 3.05 SAFETYIVNCE PERSPECTIVE VIEW PERSPECTIVE VIEW PERSPECTIVE VIEW PLASTIC FENCE METAL FENCE SOURCE: CONWED PLASTICS PLATE. 3.01 VDOT ROAD AND BRIDGE STANDARDS ORANCE SAFETY FENCE - STD. & SPEC. 3.01 TYPICAL MATTING DETAIL N.T.S. COIR FIBER MATTING FROM TOE OF CHANNEL TO 2' BEYOND BANKFULL PROPOSED TOE OF CHANNEL SLOPE \ PROPOSED TOP OF CHANNELSLOPE BANKFULL WIDTH -� PROPOSED LOW FLOW CHANNEL o.: LO>- h- ❑ ❑ APPARENT OPENING GRAB TENSILE PUNCTURE ®FB 5, BANKFULL WIDTH FL KEY MATTING MIN. 6" INTO TOE OF SLOPE O J LL STABILIZED CONSTRUCTION ENTRANCE 50 FT MIN. 8 FT MOUNTABLE BERM MIN. EXISTING PAVEMENT (6 IN MIN.) 3 FT EXISTING 1 S, - GROUND 5 r HC NONWOVEN L MIN. 6 IN OF 2 TO 3 IN EARTH FILL GEOTEXTILE AGGREGATE OVER LENGTH PIPE (SEE NOTE 6) AND WIDTH OF ENTRANCE PROFILE 50 FT MIN. LENGTH * z i. t � � f r o ,f.EDGE OF EXISTINGPAVEMENT r r z rr PLAN VIEW 0 CONSTRUCTION SPECIFICATIONS 1. PLiACE STABILIZED CONSTRUCTION ENTRANCE IN ACCORDANCE WITH THE APPROVED PLAN. VEHICLES MUST TRAVEL OVER THE ENTIRE LENGTH OF THE SCE. USE MINIMUM LENGTH OF 50 FEET (*30 FEET FOBR SINGLE RESIDENCE LOT). USE MINIMUM WIDTH OF 10 FEET. FLARE SCE 10 FEET MINIMUM AT THE EXIISTING ROAD TO PROVIDE A TURNING RADIUS. 2. PIFPE ALL SURFACE WATER FLOWING TO OR DIVERTED TOWARD THE SCE UNDER THE ENTRANCE, MAIINTAINING POSITIVE DRAINAGE. PROTECT PIPE INSTALLED THROUGH THE SCE WITH A MOUNTABLE BEIRM WITH 5:1 SLOPES AND A MINIMUM OF 12 INCHES OF STONE OVER THE PIPE. PROVIDE PIPE AS SPPECIFIED ON APPROVED PLAN. WHEN THE SCE IS LOCATED AT A HIGH SPOT AND HAS NO DRAINAGE TOi CONVEY, A PIPE IS NOT NECESSARY. A MOUNTABLE BERM IS REQUIRED WHEN SCE IS NOT LOCATED AT A HIGH SPOT. 3. PRQEPARE SUBGRADE AND PLACE NONWOVEN GEOTEXTILE, AS SPECIFIED IN SECTION H-1 MATERIALS. 4. PLACE CRUSHED AGGREGATE (2 TO 3 INCHES IN SIZE) OR EQUIVALENT RECYCLED CONCRETE (WITHOUT REBAR) AT LEAST 6 INCHES DEEP OVER THE LENGTH AND WIDTH OF THE SCE. 5. MAWINTAIN ENTRANCE IN A CONDITION THAT MINIMIZES TRACKING OF SEDIMENT. ADD STONE OR MAKE OTIHER REPAIRS AS CONDITIONS DEMAND TO MAINTAIN CLEAN SURFACE, MOUNTABLE BERM, AND SID EECIFIED DIMENSIONS. IMMEDIATELY REMOVE STONE AND/OR SEDIMENT SPILLED, DROPPED, OR TRMCKED ONTO ADJACENT ROADWAY BY VACUUMING, SCRAPING, AND/OR SWEEPING. WASHING ROADWAY TO REMOVE MUD TRACKED ONTO PAVEMENT IS NOT ACCEPTABLE UNLESS WASH WATER IS DIRRECTED TO AN APPROVED SEDIMENT CONTROL PRACTICE. STONE CONSTRUCTION ENTRANCE STD. & SPEC. 3.02 E 0 2' LONG 1 "X2" WOOD STAKES (OR APPROVED ALTERNATIVE) OVERLAP A MINIMUM OF 2 FEET BACKFILL Z LONG 1"X2" WOOD STAKES approved dewatering device SOIL STABILIZATION MATTING SPECIFICATIONS GRADED SLOPES & STREAM BANKS 1. MATTING SHALL BE WOVEN MACHINE SPUN BRISTLE COIR TWINE MADE OF COIR FIBER OBTAINED FROM FRESH WATER CURED COCONUT HUSKS. 2. SOIL STABILIZATION MATTING SHALL CONFORM TO THE FOLLOWING SPECIFICATIONS: WEIGHT: 29 OZ/SY (ASTM D 3776) THICKNESS: 0.35 IN. (ASTM D 1777) DRY TENSILE STRENGTH: MACHINE DIRECTION - 2024 LBS/SF CROSS DIRECTION - 1160 LBS/SF (ASTM D 4595) WET TENSILE STRENGTH. MACHINE DIRECTION - 1776 LBS/SF CROSS DIRECTION - 936 LBS/SF (ASTM D 4595) OPEN AREA: 38% SOIL LIFTS 1. MATTING SHALL BE A DOUBLE LAYERED BIODEGRADABLE EROSION CONTROL FABRIC MADE UP OF AN OUTER LAYER OF HIGH STRENGTH COIR FABRIC AND AN INNER LAYER OF LIGHTWEIGHT JUTE FABRIC TIED TOGETHER. 2. SOIL STABILIZATION MATTING SHALL CONFORM TO THE FOLLOWING SPECIFICATIONS: WEIGHT: 33.3 OZ/SY (ASTM D 5261) THICKNESS: 0.35 IN. (ASTM D 5199) WIDE WIDTH TENSILE STRENGTH (OUTER LAYER): 1008 X 936 LBS/FT (ASTM D 4595) WIDE WIDTH TENSILE STRENGTH (INNER LAYER): 612 X 468 LBS/FT (ASTM D 4595) SHEAR STRESS: 4.5 PSF CLASS D - NONWOVEN GEOTEXTILE FABRIC SPECIFICATIONS VNEIG - ICAL APPARENT OPENING GRAB TENSILE PUNCTURE ®FB SIZE MAX. (MM) STRENGTH MIN (LBS) STRENGTH (LBS) 8 OZ/SY (ASTM D-5261) 0.212 (ASTM D-4751) 120 (ASTM D-4632) 65 (ASTM D-4833) PLAN VIEW stream diversion pumps SECTION A A .Impervious stheeting base flow + 1 foot work area - -r { (2 foot minimum) i r,a.4n`,••rA. rr.., cross semtfon of sandbag dike PUMP AROUND PRACTICE - STD. & SPEC. 5.1 t-STRUC ION TtjP OE.11 P �t0N r i�l Li 4 � ",� I ;� ( f COI [ -R„,,,:. i x ,f t mmEtN w z J 0 z h ,yrfs'`s(a rosrr-.-• FILTER It f�',l ':.ii H EC,TIQN A -A A ttllidniont water Ly (if 1- 1 ch wo-A bi I.ti:_�t:}lletl with, a unLIA' a n i indt � a')I1�_o0-: °!Awtls fv.,i ,t.. i 1 .r Y . - 1 �j t;t 3 - oft; -t- �., ;-ea•_ q� 11 .I .. t1.1 t its _ ►.eli. t� _ ��itl ki ci6il.t:tt[r�T .,.t t._ -t lzi l vt t�L-clltl lt- s �a}1t..t>i1111 ., :lla W;}, If .x iku 111t1A L"4. t;mlivd a`ti`,! 7:r(ot11 tho etifi-:likl=i for a1.1 a f o , I :at€1t a;,l cse{1let11. SII III-1ll SWll bc pt vttild tiO1 1E[n �mtt.ttt1 elGlttk dujhli,. ditdte;` C+1 lvItQ>com ci_ PAYED GNASH RACK NOTES: 1. ALL PLANTS DESIGNATED TO BE SAVED SHALL BE PROTECTED BY FENCING, AS ILLUSTRATED. 2. INSTALL TREE PROTECTION FENCE AT TREE DRIP LINE OR AT EDGE OF DISTURBED AREA, AS SHOWN ON PLANS, PRIOR TO COMMENCEMENT OF CONSTRUCTION. 3. THERE SHALL BE NO STORAGE OF MATERIAL WITHIN THE BOUNDARIES OF THE TREE PROTECTION FENCING. 4. TREE PROTECTION FENCING SHALL BE MAINTAINED THROUGHOUT THE DURATION OF THE PROJECT. discharge hoses hA ®FB -- __= - - P :, - intake -� dewatering pump hose -�� ` TRAPS S V FLOW -- ` 209 2nd -A l --A /% Charlottesville, VA 22902 i11111 flow 540.239.1428 intake hose ! ;' 4 ULCH, LEAF/WOOD COMPOST, PLAN VIEW WOODCHIPS, SAND, OR STRAW BALES _flow sediment dike �r clean water dike i`' , sump -hole --� - -- _ WILLIAM KIPLMCG - or pool } / 8 IN MIN. CONSTRUCTION SPECIFICATIONS 1. (12" to 18" deep r -+ work area ► 2' dia.) Z-- pumps should discharge 3. length not to exceed onto a stable velocity h can anebe 4. dissipator made of rip rap ccomaleted P Y orsandbags OF THE WORK DAY. RESTORE THE SURFACE AREA BENEATH THE BAG TO ORIGINAL CONDITION UPON SECTION A A .Impervious stheeting base flow + 1 foot work area - -r { (2 foot minimum) i r,a.4n`,••rA. rr.., cross semtfon of sandbag dike PUMP AROUND PRACTICE - STD. & SPEC. 5.1 t-STRUC ION TtjP OE.11 P �t0N r i�l Li 4 � ",� I ;� ( f COI [ -R„,,,:. i x ,f t mmEtN w z J 0 z h ,yrfs'`s(a rosrr-.-• FILTER It f�',l ':.ii H EC,TIQN A -A A ttllidniont water Ly (if 1- 1 ch wo-A bi I.ti:_�t:}lletl with, a unLIA' a n i indt � a')I1�_o0-: °!Awtls fv.,i ,t.. i 1 .r Y . - 1 �j t;t 3 - oft; -t- �., ;-ea•_ q� 11 .I .. t1.1 t its _ ►.eli. t� _ ��itl ki ci6il.t:tt[r�T .,.t t._ -t lzi l vt t�L-clltl lt- s �a}1t..t>i1111 ., :lla W;}, If .x iku 111t1A L"4. t;mlivd a`ti`,! 7:r(ot11 tho etifi-:likl=i for a1.1 a f o , I :at€1t a;,l cse{1let11. SII III-1ll SWll bc pt vttild tiO1 1E[n �mtt.ttt1 elGlttk dujhli,. ditdte;` C+1 lvItQ>com ci_ PAYED GNASH RACK NOTES: 1. ALL PLANTS DESIGNATED TO BE SAVED SHALL BE PROTECTED BY FENCING, AS ILLUSTRATED. 2. INSTALL TREE PROTECTION FENCE AT TREE DRIP LINE OR AT EDGE OF DISTURBED AREA, AS SHOWN ON PLANS, PRIOR TO COMMENCEMENT OF CONSTRUCTION. 3. THERE SHALL BE NO STORAGE OF MATERIAL WITHIN THE BOUNDARIES OF THE TREE PROTECTION FENCING. 4. TREE PROTECTION FENCING SHALL BE MAINTAINED THROUGHOUT THE DURATION OF THE PROJECT. GRADE 2'-0" MIN. 4'-0" O.C. MINIMUM 1.33 Ibs/LF STEEL POST TREE PROTECTION FENCE - STD. & SPEC. 3.38 TP J• DETAIL F-4 FILTER BAG ®FB e -�� ` TRAPS S V FLOW ..FILT�12l.BA0 209 2nd St SW Suite 2A Charlottesville, VA 22902 i11111 540.239.1428 ism m m�� ULCH, LEAF/WOOD COMPOST, PLAN VIEW WOODCHIPS, SAND, OR STRAW BALES } STRAP GRADE 2'-0" MIN. 4'-0" O.C. MINIMUM 1.33 Ibs/LF STEEL POST TREE PROTECTION FENCE - STD. & SPEC. 3.38 TP DEWATERING PRACTICE STD. & SPEC. 3.26 STANDARD SYMBOL DETAIL F-4 FILTER BAG ®FB e -�� ` TRAPS S V FLOW ..FILT�12l.BA0 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 PUMP DISCHARGE HOSE 12 IN MIN. ULCH, LEAF/WOOD COMPOST, PLAN VIEW WOODCHIPS, SAND, OR STRAW BALES } STRAP } FLOW _ SLOPE �'• i,:4: -'t;�t :>='•• 5% MAX. --� LR .a f WILLIAM KIPLMCG ELEVATION FILTER BAG 8 IN MIN. CONSTRUCTION SPECIFICATIONS 1. TIGHTLY SEAL SLEEVE AROUND THE PUMP DISCHARGE HOSE WITH A STRAP OR SIMILAR DEVICE. 2. PLACE FILTER BAG ON SUITABLE BASE (E.G., MULCH, LEAF/WOOD COMPOST, WOODCHIPS, SAND, OR No. 049293 STRAW BALES) LOCATED ON A LEVEL OR 5% MAXIMUM SLOPING SURFACE. DISCHARGE TO A STABILIZED AREA. EXTEND BASE A MINIMUM OF 12 INCHES FROM EDGES OF BAG. 3. CONTROL PUMPING RATE TO PREVENT EXCESSIVE PRESSURE WITHIN THE FILTER BAG IN ACCORDANCE WITH THE MANUFACTURER RECOMMENDATIONS. AS THE BAG FILLS WITH SEDIMENT, REDUCE PUMPING RATE. 4. REMOVE AND PROPERLY DISPOSE OF FILTER BAG UPON COMPLETION OF PUMPING OPERATIONS OR AFTER BAG HAS REACHED CAPACITY, WHICHEVER OCCURS FIRST. SPREAD THE DEWATERED SEDIMENT FROM THE BAG IN AN APPROVED UPLAND AREA AND STABILIZE WITH SEED AND MULCH BY THE END OF THE WORK DAY. RESTORE THE SURFACE AREA BENEATH THE BAG TO ORIGINAL CONDITION UPON REMOVAL OF THE DEVICE. 5. USE NONWOVEN GEOTEXTILE WITH DOUBLE STITCHED SEAMS USING HIGH STRENGTH THREAD. SIZE SLEEVE TO ACCOMMODATE A MAXIMUM 4 INCH DIAMETER PUMP DISCHARGE HOSE. THE BAG MUST BE MANUFACTURED FROM A NONWOVEN GEOTEXTILE THAT MEETS OR EXCEEDS MINIMUM AVERAGE ROLL VALUES (MARV) FOR THE FOLLOWING: GRAB TENSILE 250 LB ASTM D-4632 PUNCTURE 150 LB ASTM D-4833 FLOW RATE 70 GAL/MIN/FT= ASTM D-4491 PERMITTIVITY (SEC-' 1.2 SEC-' ASTM D-4491 UV RESISTANCE 70% STRENGTH ® 500 HOURS ASTM D-4355 APPARENT OPENING SIZE (AOS) 0.15-0.18 MM ASTM D-4751 SEAM STRENGTH 90% ASTM D-4632 6. REPLACE FILTER BAG IF BAG CLOGS OR HAS RIPS, TEARS, OR PUNCTURES. DURING OPERATION KEEP CONNECTION BETWEEN PUMP HOSE AND FILTER BAG WATER TIGHT. REPLACE BEDDING IF IT BECOMES DISPLACED. MARYLAND STANDARDS AND SPECIFICATIONS FOR SOIL EROSION AND SEDIMENT CONTROL U.S. DEPARTMENT OF AGRICULTURE 2011 MARYLAND DEPARTMENT OF EN1gRONMEM NATURAL RESOURCES CONSERVATION SERVICE WATER MANAGEMENT ADMINISTRATION DEWATERING PRACTICE STD. & SPEC. 3.26 ,i ® e V 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us } } 0 WILLIAM KIPLMCG 0 MUMAW Lk No. 049293 �w ~� W r - ... r � 1r7,1+ -dPelf[ i i i 1 i S I 1 r�° I PROJECT MAIN AGER: BDW I DESICi-NED: CKA DRAWN: CKA PROJECT 4: 16-0019 DATE- 3/14/17 SHEET:12: , i € I 4 I i W U) w 0 w U) 2 w F_ U) U) 0 U w a 00 N T Cl) N 0 LO w U) o NI 4 U O EROSION & SEDIMENT CONTROL NARRATIVE SITE DESCRIPTION THE PROJECT IS CONTAINED WITHIN ONE PARCEL THAT CONTAINS BOTH IVY CREEK AND THREE UNNAMED TRIBUTARIES. THE PROJECT PROPERTY IS LOCATED IN THE PIEDMONT PHYSIOGRAPHIC PROVINCE AND ALL WATER RESOURCES ARE PART OF THE IVY CREEK -LITTLE IVY CREEK SUB -WATERSHED WHICH DRAINS TO THE RIVANNA RIVER WATERSHED (HUC: 02080204). AREA TOPOGRAPHY IS STEEP ALONG THE STREAM VALLEYS WITH 10% - 15% SLOPES AND MOSTLY FLAT AND GENTLY SLOPING WITH 0-5% SLOPES LOCATED IN THE STREAM VALLEY FLOOR, ADJACENT PROPERTY LAND USES IN THE VICINITY INCLUDE RESIDENTIAL LOTS, FOREST, AND FALLOW FIELDS. OFFSITE AREAS NO OFFSITE AREAS ARE ASSOCIATED WITH THIS PROJECT. IF ADDITIONAL MATERIAL IS REQUIRED TO BE TAKEN OFFSITE, A PROPER DISPOSAL LOCATION WITH AN APPROVED SWPPP AND ESC PLAN WILL BE PROVIDED. SOILS THE SOILS WITHIN THE PROJECT LIMITS INCLUDE THE FOLLOWING: 1) RIVERVIEW-CHEWACLA COMPLEX (77) 2) ASHLE LOAM, 15-25% SLOPES (4D) 3) ASHLE LOAM, 25-45% SLOPES (4E) 4) PARKER VERY STONY LOAM, 25-45% SLOPES (66E) 5) BUNCOMBE LOAMY SAND (10) CRITICAL EROSION AREAS: THE PROJECT SITE IS A CRITICAL AREA. 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, THIRD EDITION (1992). NO EROSION AND SEDIMENT CONTROL STRUCTURE SHALL BE REMOVED WITHOUT THE APPROVAL OF THE ESC INSPECTOR. PUMP AROUND PRACTICE - STD. & SPEC. 5.1 (THE VIRGINIA STREAM RESTORATION AND BEST MANAGEMENT IPRACTICES GUIDE, 2004.). PUMP AROUND PRACTICE WILL BE INSTALLED WHERE NECESSARY TO ENSURE PROPER STREAM FLOW MAINTENANCE AND CLEAN WATER DISCHARGE FROM ACTIVE WORK AREAS. SPECIFIC LOCATIONS ARE NOT SPECIFIED ON PLANS AS THE LOCATION AND METHODS WILL VARY THROUGHOUT THE DURATION. DEWATERING DEVICE - STD. AND SPEC. 3.26 OR DIRT SEDIMENT BAG. FILTER BAG OR AN APPROVED ALTERNATIVE SHALL BE USED AS PART OF THE PUMP AROUND PRACTICE. TEMPORARY STONE CONSTRUCTION ENTRANCE- STD. & SPEC. 3.02 A TEMPORARY STONE CONSTRUCTION ENTRANCE WILL BE PROVIDED AS SHOWN ON THESE PLANS. SILT FENCE- STD. & SPEC. 3.05 SILT FENCE WILL BE INSTALLED AT LOCATIONS SHOWN ON THESE PLANS IN ORDER TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM THE DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE. TEMPORARY SEEDING & MULCHING -STD. 3.31 & SPEC & 3.35 TEMPORARY SEEDING AND MULCHING WILL BE APPLIED WITHIN 7 DAYS TO DENUDED AREAS WHICH MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. FOR TEMPORARY SEEDING USE 50% OF THE RECOMMENDED RATES OF FERTILIZER, LIME AND FULL AMOUNT OF SEED AND MULCH REQUIRED FOR REGULAR SEEDING. MULCHING SHALL CONSIST OF HARDWOOD MULCH. PERMANENT SEEDING -STD. & SPEC 3.32 PERMANENT SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO DENUIDED AREAS THAT MAY NOT BE AT FINAL GRAD BUT WILL REMAIN UNDISTURBED FOR LONGER THAN FOURTEEN (14) DAYS. BLANKETS AND MATTING- STD. & SPEC 3.36 EROSION CONTROL MATTING SHALL BE APPLIED TO DISTURBED SLOPES OF 3:1 OR GREATER DURING STTABILIZATION AFTER PERMANENT SEEDING HAS OCCURRED. THE MATTING FOR THE STREAM CHANNEL SHALL BE INSTALLED ACCORDING -THE ALTERNATIVE B/M DETAIL AS SHOWN ON THE PLANS. TEMPORARY SEEDING MIXTURE: THE FOLLOWING TEMPORARY SEEDS SPECIES SHALL BE USED FOR TEMPORARY SOIL STABILIZATION. WHERE SEASONS TRANSITION IT IS RECOMMENDED TO COMBINE BOTH HEAT AND COLD TOLERANT SPECIES. ANNUAL RYE GRASS SHALL NOT BE USED. Common Name Botanical Name Application Rate (lbs/ac) Planting Period Rye Grain Secale cerale 25 Nov. 1 st - April 30th Wheat Triticum aestivum 30 Nov. 1st -April 30th German Millet Setaria italic 10 May 1 st - Sept. 30th Browntop Millet Urochloa ramosa 10 May 1st - Sept. 30th STABILIZATION NOTES 1. GENERAL SEEDING SHALL OCCUR WITHIN SEVEN DAYS OF REACHING FINAL GRADE. 2. PLANTING AT OTHER TIMES THAN SPECIFIED MAY BE DONE ONLY UNDER SPECIFIC CONDITIONS AND WITH THE CONSENT OF THE ENGINEER. 3. ALL OPERATIONS SHALL BE PERFORMED ONLY WHEN THE SOIL IS IN PROPER CONDITION TO PERMIT SATISFACTORY WORK. 4. SURFACE SHALL BE CLEARED OF ALL GRADE STAKES, SURFACE TRASHI OR OTHER OBJECTS, WHICH WOULD HINDER INSTALLATION OF SEED. 5. SEED SHALL BE APPLIED WITH AN APPROPRIATE METHOD EITHER BY HYDROSEEDING/HYDROMULCHING OR BROADCAST SPREAD. 6. HYDROSEED OR HYDRO MULCH SHALL BE DYED GREEN TO AID IN VISUAL METERING DURING APPLICATION AND SHALL BE APPLIED AT A RATE OF 1200 POUNDS PER ACRE. 7. UNLESS HYDROSEEDING/HYDROMULCHING METHODS ARE USED, SEED SHALL BE RAKED AND LIGHTLY ROLLED. SEED SHALL BE COVERED WITH STRAW MULCH AT A RATE OF 1.5 TONS PER ACRE AND SHALL BE OF STANDARD QUALITY AND FREE OF WEEDS. STORMWATER RUNOFF CONSIDERATIONS STORMWATER RUNOFF WILL NOT BE INCREASED AS A RESULT OF THIS PROJECT. RUNOFF IS EXPECTED TO BE REDUCED. MAINTENANCE SCHEDULE IN GENERAL, THE CONTRACTOR SHALL CHECK ALL EROSION AND SEDIMENT CONTROL MEASURES EVERY TEN DAYS AND WITHIN 48 -HOURS OF THE END OF A STORM EVENT THAT IS 0.25 INCHES OR GREATER. IF SITE INSPECTIONS IDENTIFY BMPS THAT ARE NOT OPERATING EFFECTIVELY, MAINTENANCE SHALL BE PERFORMED BEFORE THE NEXT ANTICIPATED STORM EVENT, OR AS NECESSARY TO MAINTAIN THE CONTINUED EFFECTIVENESS OF STORMWATER CONTROLS. IF MAINTENANCE PRIOR TO THE NEXT ANTICIPATED STORM EVENT IS IMPRACTICABLE, MAINTENANCE MUST BE SCHEDULED AND ACCOMPLISHED AS SOON AS PRACTICABLE. THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 1. TEMPORARY STONE CONSTRUCTION ENTRANCE SHALL BE MAINTAINED IN A CONDITION, WHICH WILL PREVENT TRACKING OR FLOW OF MUD ONTO PUBLIC RIGHT-OF-WAYS, PERIODIC TOP DRESSING WITH ADDITIONAL STONE OR THE WASHING AND REWORKING OF EXISTING STONE SHALL BE EXECUTED AS CONDITIONS DEMAND. ALL MATERIALS SPILLED, IDROPPED, WASHED OR TRACKED FROM VEHICLES ONTO ROADWAYS OR INTO STORM DRAINS MUST BE REMOVED IMMEDIATELY. 2. SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALLAND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. SEDIMENT DEPOSITS SHALL BE (REMOVED AFTER EACH STORM EVENT AND 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 TO THE EXISTING GRADE, REPAIRED, AND SEEDED. 3. DISTURBED AREAS AND AREAS USED FOR STORAGE OF MATERIALS -THAT ARE EXPOSED TO PRECIPITATION SHALL BE INSPECTED FOR EVIDENCE OF, OR THE POTENTIAL FOR, POLLUTANTS ENTERING THE DRAINAGE SYSTEM. 4. WHERE DISCHARGE LOCATIONS OR POINTS ARE ACCESSIBLE, THEY SiHALL BE INSPECTED TO ASCERTAIN WHETHER EROSION CONTROL MEASURES ARE EFFECTIVE IN PREVENTING SIGNIFICANT IMPACTS TO RECEIVING WATERS. WHERE DISCHARGE LOCATIONS ARE INACCESSIBLE, NEARBY DOWNSTREAM LOCATIONS SHALL BE INSPECTED TO THE EXTENT THAT SUCH INSPECTIONS ARE PRACTICABLE. 5. LOCATIONS WHERE VEHICLES ENTER OR EXIT THE SITE SHALL BE INSPECTED DAILY FOR EVIDENCE OF OFFSITE SEDIMENT TRACKING. 6. OUTLET PROTECTION SHALL BE CHECKED REGULARLY FOR SEDIMEN-T BUILD-UP, WHICH WILL PREVENT DRAINAGE. IF THE GRAVEL IS CLOGGED WITH SEDIMENT, IT SHALL BE REMOVED AND CLEANED OR REPLACED. 7. TREE PROTECTION SHALL BE CHECKED REGULARLY FOR DAMAGE AND REPAIRED AS NECESSARY. SITE INSPECTION FOR ADDITIONAL AREAS THAT WARRANT TREE PROTECTION SHOULD BE CONDUCTED DAILY. EROSION AND SEDIMENT CONTROL NOTES► 1. THE OWNER/DEVELOPER MUST NOTIFY ALBEMARLE COUNTY AT LEAST 24 HOURS PRIOR TO THE START OF CONSTRUCTIONS IN ACCORDANCE WITH APPLICABLE COUNTY ORDINANCES AND POLICIES. 2. THE OWNER/DEVELOPER GRANTS THE RIGHT -OF -ENTRY ON THIS PROPERTY TO THE DESIGNATED ALBEMARLE COUNTY PERSONNEL FOR THE PURPOSE OF INSPECTING AND MOMTORING FOR COMPLIANCE WITH TITLE 10.01, CHAPTER 5, ARTICLE 4 OF THE CODE OF VIRGINIA, EROSION AND SEDIMENT CONTROL LAW AND THE DESIGN AND CONSTRUCTION STANDARDS MANUAL SECTION 750.04 (C). 3. ALL EROSION CONTROL MEASURES SHOWN ON THE APPROVED PLAN MUST BE IN PLACE AND INSPECTED AND APPROVED BY THE DESIGNATED AUTHORITY PRIOR TO CLEARING, STRIPPING OF TOPSOIL OR; GRADING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN AND PERMIT SHALL BE KEPT ON THE SITE AT ALL TIMES. 5. THE DEVELOPER/DEVELOPER'S REPRESENTATIVE IS RESPONSIBLE FOR THE INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS D>ETERMINED BY THE DESIGNATED AUTHORITY. 6. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL COMPLETE AND ADEQUATE STABIILIZATIONS IS ACHIEVED. 7. WATER MUST BE PUMPED INTO AN APPROVED FILTERING DEVICE DURING DEWATERING OPERATIONS. & ALL EROSION AND SEDIMENT CONTROL PRACTICES MUST BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, CHAPTER 840, "EROSION AND SEDIMENT CONTROL REGULATIONS". THE DEVELOPER/DEVELOPER'S REPRESENTATIVE SHALL INSPECT ALL EROSION AND SEDIMENT CONTROL MEASURES AT A MINIMUM EVERY 10 DAYS AND AFTER EACH SIGNIFICANT RAINFALL. THE ROLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 1) SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORATION OF THE FABRIC. 2) SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALF WAY TO THE TOP OF THE BARRIER 3) SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FER-TILIZED AND RESEEDED AS NEEDED 4) STREAM DIVERSIONS SHALL BE INSPECTED DAILY AND AFTER EACH RAIN TO ENSURE THEY'RE FUNCTI-ZONING PROPERLY AND THAT THE INTEGRITY OF THE LINING ARE NOT IMPAIRED. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THIE EFFECTIVENESS OF THE EROSION CONTROL DEVICES MUST BE MADE IMMEDIATELY AFTER THE INSPECTION. 9. PERMANENT SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS' WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN UNDISTURBED FOR LONGER THAN IFOURTEEN (14) DAYS. SEEDING AND SELECTION OF THE SEED MIXTURE SHALL BE IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK 3.32. ROADS AND PARKING AREAS SHALL BE STABILIZED WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED. 10. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES WILL BE (REMOVED WITHIN 30 DAYS AFTER ADEQUATE SITE STABILIZATION AND AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, AS AUTHORIZED BY THE DESIGNATED VESCP INSPECTORS. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES WILL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. 11. WHEN THE SEDIMENT IS TRANSPORTED ONTO A PAVED ROAD SURFACE, TTHE ROAD WILL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT WILL BE REMOVED FROM THE ROADS BY SHOVELING' OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING WILL BE ALLOWED ONLY AFTER SEDIMENT IS DISPOSED IN THIS MANNER. 12. AREAS WHICH ARE NOT TO BE DISTURBED WILL BE CLEARLY MARKED BY FLAGS, SIGNS, ETC. 13. TREE SAVE AREAS SHALL BE CLEARLY MARKED IN THE FIELD BY ORANGE SAFETY FENCE. 14. ORANGE SAFETY FENCE MUST BE INSTALLED AROUND ALL SILT TRAPS AND) SEDIMENT BASINS. ESC MINIMUM STANDARDS A VIRGINIA EROSION AND SEDIMENT CONTROL (PLAN (VESCP) MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS 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. 2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCK PILES 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. 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. 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. 5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. 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. 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. 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. 9. WHENEVER WATER SEEPS FROM A SLOPE FACIE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. 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. 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. 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. NONERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS, 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 NONERODIBLE MATERIAL SHALL BE PROVIDED. 14. ALL APPLICABLE FEDERAL, STATE AND LOCAL (REQUIREMENTS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET. 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. 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. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THIS CHAPTER. F. APPLICABLE SAFETY REQUIREMENTS SHALL BE COMPLIED WITH 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. 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 SEDIMENTATION. 19. PROPERTIES AND WATERWAYSDOWNSTREAM O W NSTREAM 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 SAND 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: 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 iBE VERIFIED IN THE FOLLOWING MANNER: (1) THE APPLICANT SHALL DEMONSTRATE THAT THE TOTAL DRAINAGE AREA TO THE POINT OF ANALYSIS WITHIN THE CHANNEL IS ONE HUNDRED TIMES GREATER THAN THE CONTRIBUTING DRAINAGE AREA OF THE (PROJECT IN QUESTION; OR (2) (A) NATURAL CHANNELS SHALL BE ANALYZED BYTHE USE OF A TWO-YEAR STORM TO VERIFY THAT STORMWATER WILL NOT OVERTOP CHANNEL BANKS NOR CAUSE EROSION OF CHANNEL BED OR BANKS. (B) ALL PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS SHALL BE ANALYZED BY THE USE OF A TEN-YEAR STORM TO VERIFY THAT STORMWATER WILL NOT OVERTOP ITS BANKS AND BY THE USE OF A TWO-YEAR STORM TO DEMONSTRATE THAT STORMWATER WILL NOT CAUSE EROSION OF CHANNEL BED OR BANKS,- AND ANKS;AND (C) PIPES AND STORM SEWER SYSTEMS SHALL BE ANALYZED BY THE USE OF A TEN-YEAR STORM TO VERIFY THAT STORMWATER WILL BE CONTAINED WITHIN THE PIPE OR SYSTEM. C. IF EXISTING NATURAL RECEIVING CHANNELS OR PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS OR PIPES ARE NOT ADEQUATE, THE APPLICANT SHALL: (1) IMPROVE THE CHANNELS TO A CONDITION WHERE A TEN-YEAR STORM WILL NOT OVERTOP THE BANKS AND A TWO-YEAR STORM WILL NOT CAUSE EROSION TO THE CHANNEL, THE BED, OR THE BANKS; OR (2) IMPROVE THE PIPE OR PIPE SYSTEM TO A CONDITION WHERE THE TEN-YEAR STORM IS CONTAINED WITHIN THE APPURTENANCES; (3) DEVELOP A SITE DESIGN THAT WILL NOT CAUSE THE PRE -DEVELOPMENT PEAK RUNOFF RATE FROM A TWO-YEAR STORM TO INCREASE WHEN RUNOFF OUTFALLS INTO A NATURAL CHANNEL OR WILL NOT (CAUSE THE PRE -DEVELOPMENT PEAK RUNOFF RATE FROM A TEN-YEAR STORM TO INCREASE WHEN RUNOFF OUTFALLS INTO A MAN-MADE CHANNEL; OR (4) PROVIDE A COMBINATION OF CHANNEL IMPROVEMENT, STORMWATER DETENTION OR OTHER MEASURES WHICH IS SATISFACTORY TO THE VESCP AUTHORITY TO PREVENT DOWNSTREAM EROSION. D_ THE APPLICANT SHALL PROVIDE EVIDENCE OF PERMISSION TO MAKE THE IMPROVEMENTS. E. ALL HYDROLOGIC ANALYSES SHALL BE BASED ONI THE EXISTING WATERSHED CHARACTERISTICS AND THE ULTIMATE DEVELOPMENT CONDITION OF THE SUBJECT PROJECT. F. IF THE APPLICANT CHOOSES AN OPTION THAT INCILUDES STORMWATER DETENTION, HE SHALL OBTAIN APPROVAL FROM THE VESCP OF A PLAN FOR MAINTENANCE OF THE DETENTION FACILITIES. THE FLAN SHALL SET FORTH THE MAINTENANCE REQUIREMENTS OF THE FACILITY AND THE PERSON RESPONSIBLE FOR PERFORMING THE MAINTENANCE. G. OUTFALL FROM A DETENTION FACILITY SHALL BE (DISCHARGED TO A RECEIVING CHANNEL, AND ENERGY DISSIPATORS SHALL BE PLACED AT THE OUTFALL OF ALL DETENTION FACILITIES AS NECESSARY TO PROWIDE A STABILIZED TRANSITION FROM THE FACILITY TO THE RECEIVING CHANNEL. H. ALL ON-SITE CHANNELS MUST BE VERIFIED TO BE, ADEQUATE. 1. INCREASED VOLUMES OF SHEET FLOWS THAT MAY' CAUSE EROSION OR SEDIMENTATION ON ADJACENT PROPERTY SHALL BE DIVERTED TO A STABLE OUTLET, ADEQUATE CHANNEL, PIPE OR PIPE SYSTEM, OR TOA DETENTION FACILITY. J. IN APPLYING THESE STORMWATER MANAGEMENT (CRITERIA, INDIVIDUAL LOTS OR PARCELS IN A RESIDENTIAL, COMMERCIAL OR INDUSTRIAL DEVELOPMENT SHALL NOT BE CONSIDERED TO BE SEPARATE DEVELOPMENT PROJECTS. INSTEAD, THE DEVELOPMENT, AS A WHOLE, SHALL BE CONSIDERED TO BE A SINGLE DEVELOPMENT PROJECT. HYDROLOGIC PARAMETERS THAT REFLECT THE ULTIMATE DEVELOPMENT CONDITION SHALL BE USED IN ALL ENGINEERING CALCULATIONS. K. ALL MEASURES USED TO PROTECT PROPERTIES AIND WATERWAYS SHALL BE EMPLOYED IN A MANNER WHICH MINIMIZES IMPACTS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL INTEGRITY OF RIVERS, STREAMS AND OTHER WATERS OF THE STATE. L. ANY PLAN APPROVED PRIOR TO JULY 1, 2014, THAT PROVIDES FOR STORMWATER MANAGEMENT THAT ADDRESSES ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANMELS SHALL SATISFY THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS IF THE PRACTICES ARE DESIGNED TO (1) DETAIN THE WATER QUALITY VOLUME AND TO RELEASE IT OVER 48 HOURS; (11) DETAIN AND RELEASE OVER A 24-HOUR PERIOD THE EXPECTED RAINFALL RESULTING FROM THE ONE YEAR, 24-HOUR STORM; AND (111) REDUCE THE ALLOWABLE PEAK FLOW RATE RESULTING FROM THE 1.5, 2, AND 10 -YEAR, 24-HOUR STORMS TO .A LEVEL THAT IS LESS THAN OR EQUAL TO THE PEAK FLOW RATE FROM THE SITE ASSUMING IT WAS IN A GOOD FORESTED CONDITION, ACHIEVED THROUGH M1ULTIPLICATION OF THE FORESTED PEAK FLOW RATE BY A REDUCTION FACTOR THAT IS EQUAL TO THE RUNOFF VOLUME FROM THE SITE WHEN IT WAS IN A GOOD FORESTED CONDITION DIVIDED BY THE RUNOFF VOLUME FROM THE SITE IN ITS PROPOSED CONDITION, AND SHALL BE EXEMPT FROM ANY FLOWRATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS AS DEFINED IN ANY REGULATIONS PROMULGATED PURSUANT TO § 62.1-44.15:54 OR 62.1-44.15:65 OF THE ACT. M. FOR PLANS APPROVED ON AND AFTER JULY 1, 2014, THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS OF § 62.1-44.15:52 A OF THE ACT AND THIS SUBSECTION SHALL BE SATISFIED BY COMPLIANCE W11TH WATER QUANTITY REQUIREMENTS IN THE STORMWATER MANAGEMENT ACT (§ 62.1-44.15:24 ET SEQ. OF THE CODE OF VIRGINIA) AND ATTENDANT REGULATIONS, UNLESS SUCH LAND -DISTURBING ACTIVITIES ARE IN ACCORDANCE WITH 9VAC25-870-48 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATIONS. N. COMPLIANCE WITH THE WATER QUANTITY MINIMUM STANDARDS SET OUT IN 9VAC25-870-66 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATIONS SHALL BE DEEMED TO SATISFY THE REQUIREMENTS OF SUBDIVISION 19 OF THIS SUBSECTION. 1 209 2nd St SW Suite 2A Charlottesville, VA 22902 5401.239.1428 ecosystem services. us r , �V1�LLlI YJPILHNG 0 MU AW � ]Lic. 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PLANT MATERIAL NAMES ARE IN COMPLIANCE WITH HORTUS THIRD. SIZES AND GRADING ARE TO COMPLY WITH THE LATEST EDITION OF AMERICAN STANDARDS FOR NURSERY STOCK PUBLISHED BY THE AMERICAN ASSOCIATION OF NURSERYMEN. 2. ALL WORK SHALL BE COORDINATED WiTH TRADES. 3. USE EXISTING TOPSOIL AND/OR PROVIDE NEW TOPSOIL, WHICH IS FERTILE, PRIABLE, NATURAL LOAM, SURFACE SOiL, REASONABLY FREE OF SUBSOIL, FOREIGN MATTER, ROOTS, STUMPS AND STONES LARGER THAN 2" IN DIMENSION. 4. CONTRACTOR SHALL ASCERTAIN LOCATION OF ALL UTILITIES PRiOR TO EXCAVATION. 5. CONTRACTOR SHALL MAINTAIN PLANT MATERIAL DURING INSTALLATION. MAINTENANCE SHALL BECOME RESPONSIBILITY OF OWNER UPON ACCEPTANCE OF WORK. 6. WHEN THE LANDSCAPE WORK IS COMPLETED, THE OWNERS REPRESENTATIVE WILL, UPON WRITTEN REQUEST, MAKE AN INSPECTION TO DETERMINE ACCEPTABILITY. IF WORK IS NOT ACCEPTABLE, REPLACE REJECTED WORK AND CONTINUE MAINTENANCE UNTIL REINSPECTION AND APPROVAL. 7. GUARANTEE ALL MATERIALS AND LABOR FOR 12 CALENDAR MONTHS AFTER ACCEPTANCE. A. MAKE REPLACEMENTS OF ALL DEAD PLANTS IN IMPAIRED CONDITIONS iN EARLY FALL FOLLOWING PLANTING. B. AND ADDITIONALLY IN THE EARLY SPRING FOR THE SAME OR OTHER MATERIALS WHICH ARE DEAD OR IMPAIRED FROM THE WiNTER CONDITIONS. 8. WiTHIN 10 DAYS AFTER ACCEPTANCE, THE CONTRACTOR SHALL DELIVER AN OUTLINE OF MAINTENANCE PROCEDURES RECOMMENDED FOR THIS PLANTING TO THE OWNER. 9. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY DURING THE GUARANTEE PERIOD TO PROVIDE WRITTEN NOTICE TO THE OWNER OF ANY MAINTENANCE PRACTICE WHICH IN THEIR OPINION WILL AFFECT THE GUARANTEE IF NOT REMEDIED PROMPTLY. 10. DO NOT MAKE SUBSTITUTIONS. BID MATERIALS SHOWN ON PLANS. CONTRACTOR IS ENCOURAGED TO PROVIDE WRITTEN ALTERNATE LIST OF MATERIALS, SIZES AND NUMBERS. SUBSTITUTION FOR COST EFFECTIVE MAINTENANCE OF DESIGN INTEGRITY. 11. THE PROJECT ENGINEER RESERVES THE RiGHT TO ACCEPT OR REJECT ANY MATERIAL THAT HE/SHE DEEMS UNACCEPTABLE. REJECTED MATERIAL SHALL BE REMOVED PROMPTLY FROM THE SiTE. 12. ALL PLANT MATERIAL SHALL BE NURSERY GROWN UNLESS OiTHERWISE SPECIFIED. PRUNING SHALL BE DONE BEFORE PLANTING OR DURING THE PLANTING OPERATION. 13. ALL PLANT MATERIAL SHALL BE COVERED AND PROTECTED FROM EXCESSIVE DRYING DURING TRANSIT. 14. ANTI -DESICCANTS SHALL BE APPLIED ON ALL MATERIAL DUG WHILE IN FOLIAGE. 15. MULCH MATERIAL SHALL BE EITHER SHREDDED HARDWOOD IMULCH OR APPROVED EQUAL. MATERIAL SHALL BE MULCHING GRADE, UNIFORM IN SIZE, AND FREE OF FOREIGN MATTER. 16. TOPSOIL MiXTURE SHALL BE 2 PARTS EXISTING SOIL MiXED EVENLY WITH 1 PART SPHAGNUM PEAT MOSS OR PEAT HUMUS. EXISTING SOIL SHALL BE FREE OF STONES, LUMPS, PLANTS, ROOTS, AND OTHER DEBRIS OVER 1 11/2 INCHES. IT SHALL NOT CONTAIN TOXiC SUBSTANCES HARMFUL TO PLANT GROWTH. TOPSOIL SHALL HAVE A pH RANGE OF 5.0 TO 7.0. 17. PLANTING PROCEDURES FOR TREES AND SHRUBS A. PLANTING SHALL OCCUR iN ACCORDANCE WiTH ALL DETAILS:. B. TREES AND SHRUBS SHALL BE PLACED IN THE PLANTING PiT iBY LiFTING FROM THE BALL (NEVER FROM THE BRANCHES OF TRUNK). ALL PLANT MATERIAL SHALL BE PLACED iN A STRAIGHT POSITION WITHIN THE PLANTING PiT WI-TH THE MOST DESIRABLE SiDE PLACED TOWARDS THE PROMINENT ViEW (SIDEWALK, STREET, ETC.) C. THE TREE PIT SHALL BE BACK FILLED WITH A SOIL MIXTURE AS PER SPECIFICATIONS. THE PIT SHALL BE FILLED HALFWAY INITIALLY AND TAMPED FIRMLY. ALL ROPES, WIRES, ETC. ON THE ROOTBALL SHALL BE CUT AND THE BURLAP OR BALL WRAP PULLED BACK TO THE EDGE OF THE ROOTBALL. COMPLETE BACKFILLING PLANT PIT AND TAMP FIRMLY. BACKFILL SOIL SHALL NOT COVER TOP OF ROOTBALL. MULCH ROOTBALL AND SAUCER WITH MINIMUM 3 INCHES SHREDDED OR CHIPPED HARDWOOD OR PiNE MULCH. WATER THOROUGHLY ©R UNTIL PLANT PIT iS FILLED. ►�i�i�i�i�i�i�i�i�i�i�i of �Ir. 2.5 X 1 GAL CONTAINER MIN. TREE PLANTING DETAIL NTS SET TREE AT ORIGINAL GRADE SOIL SAUCER: USE MIN. 6" PREPARED SOIL /-- PREPARED SUBSOIL TO FORM / PEDESTAL TO PREVENT SETTLING t'itKb/il.tUUJ I'LUU Ut I HIL NOT TO SCALE 12-24" 8" (TYP.) t TREE/SHRUB TUBELiNG DETAIL NOT TO SCALE. PLANTING SCHEDULE REACH 1 PLANTING SCHEDULE REACH 2-2A PLANTING SCHEDULE PEIRMANENT SEEDING MiXTURE: THEE FOLLOWING PERMANENT SEED MIX SHOULD BE PLANTED ON ALL DISTURBED AREAS IMMEDIATELY AFTER FINIAL GRADING AT A RATE OF 25 LBS/ACRE: ERPNST MIX #862 - VA SOUTHERN PIEDMONT RIPARIAN MIX 20% INDiANGRASS, PA ECOTYPE (SORGHASTRUM NUTANS, PA ECOTYPE) 200% BEAKED PANICGRASS, SC ECOTYPE (PANICUM ANCEPS, SC ECOTYPE) 20%'o RIVER OATS, 'SLITHER' -PIEDMONT NC ECOTYPE (CHASMANTHiUM LATIFOLIUM (UNiOLA LATiFOLIA), 'SUTHER'-PIEDMONTNC ECOTYPE) 15% VIRGINIA WILDWE, 'SUTHER'-NC ECOTYPE (ELYMUS VIRGiNICUS, 'SUTHER'-NC ECOTYPE) 15% REDTOP PANICGRASS, COASTAL PLAIN NC ECOTYPE (PANICUM RIGIDULUM (P. STIPiTATUM), COASTAL PLAIN NC ECOTYPE) 4% PARTRIDGE PEA, PA ECOTYPE (CHAMAECRISTA FASCiCULATA (CASSIA F.), PA ECOTYPE) 12% CRiMSONEYED ROSEMALLOW, VA ECOTYPE (HIBISCUS MOSCHEUTOS, VA ECOTYPE) 2% NEW YORK IRONWEED, PA ECOTYPE (VERNONIA NOVEBORACENSIS, PA ECOTYPE) 2% AUTUMN BENTGRASS, PA ECOTYPE (AGROSTiS PERENNANS, PA ECOTYPE) PLANT]NG DETAILS SEEDLING / LINER BAREROOT PLANTING DETAIL SCALE: N.T.S. PLANTING NOTES: PLANTING BAG During planting, seedlings shall be kept in a moist canvas bag or si;imilar container to prevent the root systems frrom drying. KBC PLANTING BAIR Planting bar shalll have a blade with a trianngular cross section, amd shall be 121N. long, 411'N. wide and 11N. thick at ceniter. ROOT PRUNING All seedlings shalll be root pruned, if necessary, so that no roots extend imore than 10 inches (101N.) below the root collar. STREAM BUFFER MITIGATION SUMMARY rX1rrvn1rl11q r1-hlY 111.4" GvIVC (t/- u. -Is Hl+) Acreage Total Disturbance 2.44 RIPARIAN PLANTING ZONE (+/- 0.80 AC) 4.88 Common Name Botanical Name Stock Type Stems/Acre Quantity Common Name Botanical Name Stock Type Stems/Acre Quantity Northern Red Oak Quercus rubra Container/Bare Root 400 9 Northern Red Oak Quercus rubra Container/Bare Root 400 53 Eastern White Pine Pinus strobus Container/Bare Root 400 9 Eastern White Pine Pinus strobus Container/Bare Root 400 53 Willow Oak Quercus phellos Container/Bare Root 400 9 Willow Oak Quercus phellos Container/Bare Root 400 53 Common Persimmon Diospyrus virginiana Container/Bare Root 400 9 Common Persimmon Diospyrus virginiana Container/Bare Root 400 53 Tulip Poplar Liriodendron tulipifera Container/Bare Root 400 9 Tulip Poplar Liriodendron tulipifera Container/Bare Root 400 54 Black Walnut Juglans nigra Container/Bare Root 400 9 Black Walnut Juglans nigra Container/Bare Root 400 54 Total (Trees) 54 Total (Trees) 320 FLOODPLAIN BENCH PLANTING ZONE (+/- 0.05 AC) FLOODPLAIN BENCH PLANTING ZONE (+/- 1.10 AC) r Common Name Botanical Name Stock Type Stems/Acre Quantity Common Name Botanical Name Stock Type Stems/Acre Quantity Ninebark Physocarpus oppuifolius Container/Bare Root 650 5 Ninebark Physocarpus oppuifolius Container/Bare Root 650 107 Silky Dogwood Comus amomum Container/Bare Root 650 5 Silky Dogwood Cornus amomum Container/Bare Root 650 107 American Sycamore Platanus occidentalis Container/Bare Root 650 6 American Sycamore Platanus occidentalis Container/Bare Root 650 100 Black Walnut Juglans nigra Container/Bare Root 650 6 Black Walnut Juglans nigra Container/Bare Root 650 100 Willow Oak Quercus phellos Container/Bare Root 650 7 Willow Oak Quercus phellos Container/Bare Root 650 100 Sweetbay Magnolia Magnolia virginiana Container/Bare Root 650 7 Sweetbay Magnolia Magnolia virginiana Container/Bare Root 650 100 Arrowwood Viburnum Viburnum dentatum Container/Bare Root 650 7 Arrowwood Viburnum Viburnum dentatum Container/Bare Root 650 100 Total (Trees) 33 Total (Trees) 500 Total (Shrubs) 10 Total (Shrubs) 214 STREAM BANK PLANTING ZONE (+/- 0.04 AC) STREAM BANK PLANTING ZONE (+/- 0.17 AC) Common Name Botanical Name Stock Type Spacing Quantity Common Name Botanical Name Stock Type Spacing Quantity Soft Rush Juncus effusus Bare Root/Plug 2' 0. C. / 2 rows 46 Soft Rush Juncus effuses Bare Root/Plug 2' O.C. 12 rows 219 Fringed Sedge Carex crinita Bare Root/Plug 2' O.C. 12 rows 46 Fringed Sedge Carex crinita Bare Root/Plug 2' O.C. / 2 rows 219 Bladder Sedge Carex intrumescens Bare Root/Plug 2'0.C. / 2 rows 46 Bladder Sedge Carex intrumescens Bare Root/Plug 2'0.C. 12 rows 219 Woodoats Chasmanthium latifolium Bare Root/Plug 2' O.C. / 2 rows 46 Woodoats Chasmanthium latifolium Bare Root/Plug 2'0.C. / 2 rows 219 Virginia Wild Rye Elymus virginicus Bare Root/Plug 2'0.C. / 2 rows 46 Virginia Wild Rye Elymus virginicus Bare Root/Plug 2' O.C. 12 rows 219 Switch Grass Panicum virgatum Bare Root/Plug 2' 0. C. / 2 rows 46 Svwitch Grass Panicum virgatum Bare Root/Plug 2' O.C. / 2 rows 219 Woolgrass Schoenop/ectus cyperinus Bare Root/Plug 2' O.C. 12 rows 46 Woolgrass Schoenoplectus cypennus Bare Root/Plug 2' 0. C. / 2 rows 219 Swamp Milkweed Asclepias incarnata Bare Root/Plug 2' Q.C. 12 rows 46 Swarmp Milkweed Asclepias incarnata Bare Root/Plug 2' 0. C. 12 rows 219 Scarlet Beebalm Monarda didyma Bare Root/Plug 2' O.C. / 2 rows 46 Scarlet Beebalm Monarda didyma Bare Root/Plug 2' 0. C. 12 rows 219 Joe Pye Weed Eupatorium maculatum Bare Root/Plug 2' 0. C. 12 rows 46 Joe Pye Weed Eupatorium maculatum Bare Root/Plug 2' O.C. / 2 rows 219 Total (Plugs) 460 Total (Plugs) 2190 PEIRMANENT SEEDING MiXTURE: THEE FOLLOWING PERMANENT SEED MIX SHOULD BE PLANTED ON ALL DISTURBED AREAS IMMEDIATELY AFTER FINIAL GRADING AT A RATE OF 25 LBS/ACRE: ERPNST MIX #862 - VA SOUTHERN PIEDMONT RIPARIAN MIX 20% INDiANGRASS, PA ECOTYPE (SORGHASTRUM NUTANS, PA ECOTYPE) 200% BEAKED PANICGRASS, SC ECOTYPE (PANICUM ANCEPS, SC ECOTYPE) 20%'o RIVER OATS, 'SLITHER' -PIEDMONT NC ECOTYPE (CHASMANTHiUM LATIFOLIUM (UNiOLA LATiFOLIA), 'SUTHER'-PIEDMONTNC ECOTYPE) 15% VIRGINIA WILDWE, 'SUTHER'-NC ECOTYPE (ELYMUS VIRGiNICUS, 'SUTHER'-NC ECOTYPE) 15% REDTOP PANICGRASS, COASTAL PLAIN NC ECOTYPE (PANICUM RIGIDULUM (P. STIPiTATUM), COASTAL PLAIN NC ECOTYPE) 4% PARTRIDGE PEA, PA ECOTYPE (CHAMAECRISTA FASCiCULATA (CASSIA F.), PA ECOTYPE) 12% CRiMSONEYED ROSEMALLOW, VA ECOTYPE (HIBISCUS MOSCHEUTOS, VA ECOTYPE) 2% NEW YORK IRONWEED, PA ECOTYPE (VERNONIA NOVEBORACENSIS, PA ECOTYPE) 2% AUTUMN BENTGRASS, PA ECOTYPE (AGROSTiS PERENNANS, PA ECOTYPE) PLANT]NG DETAILS SEEDLING / LINER BAREROOT PLANTING DETAIL SCALE: N.T.S. PLANTING NOTES: PLANTING BAG During planting, seedlings shall be kept in a moist canvas bag or si;imilar container to prevent the root systems frrom drying. KBC PLANTING BAIR Planting bar shalll have a blade with a trianngular cross section, amd shall be 121N. long, 411'N. wide and 11N. thick at ceniter. ROOT PRUNING All seedlings shalll be root pruned, if necessary, so that no roots extend imore than 10 inches (101N.) below the root collar. STREAM BUFFER MITIGATION SUMMARY Acreage Total Disturbance 2.44 Total Mitigation Required (2:1 ratio) 4.88 Mitigation Provided (Planting) 2.29 Mitigation Provided (1,550 LF of Stream Restoratic 3.56 Total Mitigation Provided 5.85 Excess Mitigation Provided 0.97 DIBBLE PLANTING METHOD USING THE KBC PLANTING BAR (FOR FLOODPLAIN BUFFER PLANTING AND UPLAND BUFFER PLANTING) 1. Insert planting bar as shown and pull handle toward planter. 4. Pull handle of bar toward planter, firming soil at bottom. NOTES: 2. Reomove planting bar and place seedling at corrEect depth. C� 5. Pulsh handle forward firmiing soil at top. 3. insert planting bar 21N. toward planter from seedling. 6. Leave compaction hole open. Water thoroughly. 1. OTHER PLANTdNG METHOD CAN BE USED WITH THE PERMISSION OF THE PLANTING SUPERVISOR. s 4 209 2nd St SW Suite 2A Charlottesville, VA 22902 540.239.1428 ecosystem services. us UTH � WIDLIL,�IA�1I �]LI�TC M UMAW lLic . No. 049293 SVA L� r rZ W rr 14 r� PROJECT NIANAGER: BDW DESIGNED: CKA DRAWN: CKA PROJECT T: 16-0019 DATE: 3/14/17 SHEET: 16