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PAHUTA, INTERIM EXECUTIVE DIRECTOR ADDRESS: 100 BOWEN LOOP, SUITE 200 CHARLOTTESVILLE, VIRGINIA 22901 PHONE NO: (434) 973-8342 EXT. 1015 ZONING: RA TAX MAP: 32 PARCEL NO: 10 MAGISTERIAL DISTRICT: WHITE HALL COUNTY & STATE: ALBEMARLE,' VIRGINIA PROJECT DRAINAGE AREA: IMPERVIOUS COVER: EXISTING: 13.0 AC PROPOSED: 7.8 AC TOTAL: 20.8 AC XT ND RUNWAY 1 VS M ASU I LT LA 43 CHARLOTTESVILLE SITE, ALBEMARLE AIRPORT ��` 'y #3) 643 606 SCALE: 1" = 2000' 649 ALBEMARLE COUNTY RECORD DRAWING REQUIREMENTS (AS-BUIILT) FOR VSMP (DISPOSITION IN ITALICS) •• A SIGNED AND DATED PROFESSIONAL SEAL OF THE PREPARING ENGINEER OR SURVEYOR. (INCLUDED) •• THE NAME AND ADDRESS OF THE FIRM AND INDIVIDUAL PREPARING THE DRAWINGS ON THE TITLE SHEET. (INCLUDED) • • THE CONSTRUCTED LOCATION OF ALL ITEMS ASSOCIATED WITH EACH FACILITY, AND THE INSPECTION RECORDS TO VERIFY PROPER DIMENSIONS, MATERIALS ,AND INSTALLATION. THE ITEMS INCLUDE, BUT ARE NOT LIMITED TO THE FOLLOWING: 1. INSPECTION RECORDS AND PHOTOGRAPHS FOR PIPE TRENCHES AND BEDDING, INCLUDING UNDERDRAINS. (INCLUDED IN PACKAGE PROVIDED BY DELTA AIRPORT CONSULTANTS) 2. VIDEO PIPE INSPECTION FOR ANY PIPES WHICH ARE NOT ACCESSIBLE OR VIEWABLE. (INCLUDED WITH THIS SUBMITTAL) 3. UPDATED LOCATION WITH GEO-COORDINATES OF ALL FACILITIES. (AS SHOWN) 4. VERIFIED DRAINAGE AREA MAPS FOR THE DRAINAGE AREA TREATED, AND FOR DRAINAGE TO THE FACILITIES. (INCLUDED WITH THIS SUBMITTAL UNDER SEPARATE COVER) 5. CURRENT PHYSICAL AND TOPOGRAPHIC SURVEY FOR ALL EARTHEN STRUCTURES. PONDS SHOULD INCLUDE A SURVEY OF THE POND BOTTOM. SURVEYS SHOULD VERIFY POND VOLUMES ARE PER DESIGN. CORRECTIONS MAY BE REQUIRED FOR ALTERATIONS FROM THE DESIGN. (INCLUDED) 6. PLANTS, LOCATION AND TYPE. (INCLUDED IN PACKAGE PROVIDED BY DELTA AIRPORT CONSULTANTS) 7. PLANS AND PROFILES FOR ALL CULVERTS, PIPES, RISERS, WEIRS AND DRAINAGE STRUCTURES - DISPLAY THE INSTALLED TYPE OF DRAINAGE STRUCTURES, CULVERT/PIPE SIZE, WEIRS, MATERIALS, INLETS OR END TREATMENT(S), INLET AND OUTLET PROTECTION, ALIGNMENT AND INVERT ELEVATIONS COMPARED TO DESIGN. (INCLUDED) 8. COMPUTATIONS: FOR SIGNIFICANT DEVIATIONS FROM DESIGN, PROVIDE SEALED COMPUTATIONS VERIFYING THAT THE AS -BUILT CONDITION IS EQUIVALENT OR BETTER THAN DESIGN. (SEE NOTES REGARDING AS -BUILT CONDITION VERSUS DESIGN OF SWM FACILITIES) 9. DITCH LINES - DISPLAY THE CONSTRUCTED LOCATION OF ALL DITCH LINES AND CHANNELS, INCLUDING TYPICAL SECTIONS AND LININGS. (INCLUDED) 10. EASEMENTS - SHOW ALL PLATTED EASEMENTS WITH DEAD BOOK REFERENCES LABELED. FACILITIES AND DRAINAGE MUST BE WITHIN PLATTED EASEMENTS. PROVIDE COPIES OF RECORDED DOCUMENTS. (NOT INCLUDED, TO BE PROVIDED BY DESIGN ENGINEER IF REQUIRED) 11. GUARDRAIL, FENCES OR OTHER SAFETY PROVISIONS - DISPLAY THE CONSTRUCTED LOCATION OF ALL SAFETY PROVISIONS; FENCES, GUARDRAIL, INCLUDING THE TYPE, LENGTH AND APPLIED END TREATMENTS, COMPARED TO DESIGN. (N/A) 12. MATERIAL LAYERS • •BIOFILTER MEDIA, STONE LAYERS, SAND LAYERS, KEYWAYS AND CORES MUST BE VERIFIED AS TO MATERIAL TYPES AND DEPTHS. INCLUDE INSPECTION REPORTS, BORING OR TEST PIT REPORTS AND MATERIALS CERTIFICATIONS. BIOFILTER MEDIA MUST BE AN APPROVED STATE MIX. (NOT INCLUDED, TO BE PROVIDED BY CONTRACTOR IF REQUIRED) 13. ACCESS ROADS • •SHOW LOCATION OF ACCESS ROADS, SURFACE TREATMENT, DRAINAGE, ETC, AS APPLICABLE. (N/A) 14. COMPACTION REPORTS ARE REQUIRED TO VERIFY FILL COMPACTION IN DAMS. (NOT INCLUDED, TO BE PROVIDED BY CONTRACTOR IF REQUIRED) 15. MANUFACTURERS CERTIFICATIONS FOR PROPRIETARY BMP•5 CERTIFYING PROPER INSTALLATION AND FUNCTIONING. (NOT INCLUDED, TO BE PROVIDED BY CONTRACTOR IF REQUIRED) SHEET INDEX SHEET 1 VSMP AS -BUILT COVER SHEET SHEET 2 VSMP AS -BUILT OVERVIEW SHEET 3 VSMP AS -BUILT BASIN OW SHEET 4 VSMP AS -BUILT BASIN 13" SHEET 5 VSMP AS -BUILT BASIN'D' SHEET 6 VSMP AS -BUILT BASIN me SHEET 7 VSMP AS -BUILT BASIN'F' NOTE: DUE TO THE SEQUENCING OF CONSTRUCTION, CERTAIN ITEMS WITHIN THIS AS -BUILT DRAWING ARE NOT REQUIRED AT THIS TIME OR HAVE BEEN PREVIOUSLY APPROVED. ALL POND VOLUMES WERE CALCULATED AND RECORDED AT THIS TIME AND APPEAR TO BE SUBSTANTIALLY WI7T1iIN DESIGN REQUIREMENTS. DUE TO AIRPORT SECURITY RESMANHOLES NEAR THE POND OUTFALL COULD NOT BE PULLED TO RECORD INVERTS AT THIS TIME. APPROVALS DEPARTMENT OF COMMUNITY DEVELOPMENT ENGINEERING APPROVED by the Albemarle County Community Development Department Date %' AR - 2- i File _1 0 2; - �'r,�''3 DATE A rn LO r U 0 o co w H w • N M C N Z Z \IS ~Q Ljj U r J (n W OU Z � ¢w m �o pu) vU <Z V �> o W U` N 1? LL 0> a a � °' N W Q Z o w U c. J a J } N _ 0 ® a LuN oU O AJ Fiy ') ry �Q M_ z 0 w 0 W Q 0 z o Ln N z Z z o � � a z LA = Z) n UU 0 " U w w rZ W vi a w > LU 0 n Ln 0 m o Z rl N U �.y Jimmy L. Taggart Lie. No. 22841 l ONAL _ T. o W 0. W N Q Q z 0 W W Iz 5 >J Z 0 I— U ♦^ W Z W D m w o c J Q Q 0) U DATE: 11 _28-2016 SCALE: N/A JOB: EXTEND RUNWAY FILE: 7998 SHEET: I OF 07 I. J, I\ *NOTE: REFER TO WPO 2016-00014 VSMP AS —BUILT PLANS FOR BASIN C - SCALE 1" = 200' 200 100 0 200 400 SCALE IN FEET �s `. G 00 U o Lu M W f- • V) N V% O O N Z Jz Y ¢ ¢ w O OU ¢NVT w m Q L O 0 O J Z v U z( 0> o W N o LL z 0> o a-L Lll � N W Q z o U N - rv~i> z w V J L O w w � a) U Z O a V w n Lu Q n Z O Il N L �q .�i N ei z z O u Z U a N Z Z n 0 w = a. w a. vi W vi Lli w -_ Q .i o cl O rn cI O Z OF D j� Jimmy L. Taggart Lic. No. 22841 <v� �FSS / O N A L Sl G� I� 0 I(L 3: I� T' W N -- Z W <t W > a cc IJ IJ Z O > Z _ � o W m U z W V) W O a. IJ DATE: 11-28-2016 SCALE: 1" = 200' JOB: EXTEND RUNWAY RILE: 7998 SHEET: OF 07 1 ,ti �f I 1 , _ t s � ( i 1 , f ij l Ott i l , I ; - i I' f t f / 1 I l , 1; I f I' , t / - [It .,f I y�- -:aALL 2:I5.LO�E8. �F�-•:Y�'7.�i�s�-�� _ •�t Jylj,r'! '�,.il, Jr rrf // 'r� I -� �:1 •',� i`9AL.L��-Jr QK_ D, , \D 2 f I j'j1y--IiN'T \, i J /; I. t :� r '� :!� !,l l.� rf1 `. 300'RT\ _ �ET�1L�: 1 / ff BIUFILTER 1'IMITS> j Cy r f SEE SHEff 3�." F -..s, EXISTING ; - .-_. I _ 88+; Ob__7771 9 l a Cld— j BASIN "A" APPROVED CONSTRUCTION DRAWING BY DELTA AIRPORT CONSULTANTS, INC. DATED OCTOBER 2012 -01i. PI I i —1i �,Y. � (( i � lj .�, � '• 1 i j� j • r 8/1 / ` `. Ee I4tMANKi I,BT �\E�11<.': (f 30' RT, , , - - - ---cam =' = �' %r r f / l,,! •� % _ � . l � , 77. r r C q. 51 ,6 _ r � 51700 t IOFILTE' Z •Il V T; .. , spa , i Nam' C.O.d 510. 7 SEE SH' ET 3�517.18 . L OD �-o� _516.95 j ,t AS —QUILT EXISTING t j CL RIP —RAP x•<r SB ,IA,1 ry ry ry j i. 7 51 . 5 x x 1117.60 517.56 '. ,_ l 88-10t7 BASIN "A" AS -BUILT CONSTRUCTION DRAWING BY ROUDABUSH, GALE & ASSOCIATES, INC. DATED NOVEMBER 2016 ' :t FIELD VERIFIED C.O. DISTANCE DOES NOT EXCEED 50'. MULCH LAYEER(NO PAY ITEM) �CLEANOUT WrrH WATERTIGHT CAP, TYP, DISTANCE BETWEEN NOT TO EXCEED 50' ELEV=516.951 2'-6" STATE APPROVED BIOFILTER MIX - I j!' J / , r� / ,}' / •• / / i % , (MINIMAL COMPACTION) 4' PEAGRAVEL FILTER LAYER -�. I ' / .I'� / i ; / : /. i , - I `.r It - -�.---- V-8' VOOT N57 STONE UNDERDRAIN WRAPPED IN 4 OZ NON -WOVEN FILTER FABRIC �- 6' PERFORATED SCHEDULE 40 PVC. PIPE, SEE PLAN FOR SIZE. BASIN BIOFILTER CROSS SECTION .DETAIL. N"rS DETENTION ORIFICE, WITH TRASH RACK .ti CONVERSION TO PERMANENT SWM SEQUENCE OF CONSTRUCTION FOR BASINS A, B, AND C: BASINS ARE TEMPORARILY CONFIGURED AS SEDIMENT BASINS, WITHOUT PERMANENT SWM FEATURES. CONTRACTOR IS RESPONSIBLE FOR MAINTAINING SEDIMENT BASINS, AS SHOWN, UNTIL COUNTY EROSION INSPECTOR APPROVES OF BASIN TRANSITION FROM SEDIMENT CONT ROL TO STORMWATER MANAGEMENT CONFIGURATION. UPON THIS APPROVAL, THE CONTRACTOR SHALL: 1. MUCK OUT THE BOTTOM OF EACH SEDIMENT BASIN. 2. RESTABILIZE BASIN. 3. REMOVE PERFORATED FLEXIBLE TUBING RISERS. 4. REMOVE PLATES AND BLOCKING ON LOWEST OPENING AND PREPARE FOR UNDERDRAIN CONNECTION. 5. INSTALL BIOFILTER MIX, PLANTINGS, AND UNDERDRAIN. 6. INSTALL ORIFICE TRASH RACK. SCALE 1" = 50' SCALE IN FEET BASIN "A" AS —BUILT PLANTING LOCATION DRAWING BY ROUDABUSH, GALE & ASSOCIATES, INC. DATED OCTOBER 2020 SCALE 1" = 50' 50 25 0 50 100 SCALE IN FEET 525.78' t') VIOP 01- RISER, I r I-, 1:V = �T 523.1p - , t i t i rs" t7IAPtti I c Ic r, RiF!C'F INSTALL ORIFICE TRASH RACK, ! SEE DETAIL SHEET 34 /! PERMANENT SWM BASIN BOTTOM ELEV = 516.95 I f ! ' 1 I REMOVE DEWATERING DEVICE I !, ` EL'JI(vii �J i f,c,h l 010 I I'OM ' 1 ' -„ ii Ib` f=t r=:V 511', TEMPORARY SEDIMENT NITS NOTES: 1, MUCK OUT ELEV = 517.32. CONTRACTOR SHALL MAINTAIN STAKES LABELED WITH THE MUCK OUT ELEVATION. 2. SEE "SEQUENCE OF CONSTRUCTION" NOTE FOR TRANSITION FROM SEDIMENT BASIN TO STORMWATER MANAGEMENT BASIN 3. ALL MAINTENANCE ASSOCIATED WITH BASIN PAID FOR UNDER "EROSION AND SEDIMENT CONTROL" PAY ITEM. 4. CONVERSION TO PERMANENT STORMWATER BASIN PAID FOR UNDER "CONVERT STORMWATER BASIN" PAY ITEM. OC/0 CLEANOUT ®� 6" PERFORATED SCHEDULE 40 PVC NOTE: PLANTING LOCATIONS ARE APPROXIMATE. SEE "BIOFILTER PLANTING PLAN" FOR PLANTING AREA AND REQUIRED AREA OF BIOFILTER MIX. NOTE TO REVIEWER: BASINS A, B, AND C WERE INSTALLED.UNDER PREVIOUS PROJECT WPO-2008-00059. BIOFILTER PLANTING DESIGN Biofilter Floor Dimensions Area = ,rc5 8F 4, qml br e-- '�� 0.103 AC Planting Density = 400 stems! acre Plants Required = 31 Plants Provided = 39 'free to Shrub Ratio = 3 Shrubs = 23 'Trees = 8 Due to FAA restrictions on planting trees in airside development, trees will be replaced with 2 Shrubs. Final Number of Shrubs = 39 FINAL PLANTING SCHEDULE NOTE: AS -BUILT PLANTING NUMBERS, SPECIES, AND LOCATION FOR THIS BASIN WERE VERIFIED BY RGA ON 10/02/2020 COMMON NAME SCIENTIFIC NAME NUMBER PLANTING HEIGHT (FT) MATURE HEIGHT (FT) SYMBOL BRISTLY LOCUST Robinia fertilis 0 -6— 3-4 OR 18"-24" SPREAD 5-7 BL HORIZONTAL JUNIPER Juniperus spp 0 -9— 3A OR 18"-24" SPREAD 1-2 HJ SWEET FERN Complonia peregrina 0 -r— 3-4 OR 18"-24" SPREAD 2-4 SF WINGED EUONYMOUS Euonymus alatus 21 -fi— 3-4 OR 18"-24" SPREAD 5-7 WE COMMON JUNIPER Juniperus communis "compressa" 0 -i-- 3 4 OR 18"-24" SPREAD 3-6 CJ WITCH HAZEL Hamamelis virginiana 20 -8— 34 OR 18 -24" SPREAD 4-6 WH ENGLISH IVY Hedera helix NOTE: Shrubs shall be planted at a maximum of 12' apart. Ground cover shall be planted approximately 2' apart and away from shrubs. NMI JI rn 12 U o LU M w i cn o Z O(MI) zd`" ) o � t i — (� ui U 9w z� � O U �0L0 w 0 LU J Z)m o Lr �z 0 V �> o w 0 N � L- z M1 M1 ��> o (� to N N w Q o 0 J W v cn J 2 a J N } N =C)w O a O V)CA:: rn = rn U z 0 F- a U rn w w F- 0 0 z 0 r1 N ai tLn 4 c-1 N s-i Fes- tri zzz O U V a N LU 0 U 0 W cc n_ w a Vi LU Cr 0 � F- �CD w Ln �a C3 ri N I�� ELT R Op O ' :a Jimmy L. Taggart Lic. No. 22841 rv� %0.FSS/ONAL ECG r 0 C _ N Q W W Q z cc j Z W i Z > 0 W 0 W U Z W Q w 0 n' Illllllllj W T� T U DATE: 11-28-2016 SCALE: 1' = 50' JOB: EXTEND RUNWAY FILE: 7998 SHEET: 3 OF 07 V R li BIQt"1 'T ER ' 1 61V IT I SEWSHEF/I" 39. •cn /i (. ,1 �• BASIN "B" APPROVED CONSTRUCTION DRAWING BY DELTA AIRPORT CONSULTANTS, INC. DATED OCTOBER 2012 Z ` t '�.. o, AS —BUILT CL © RIP —RAP BASIN "B" AS —BUILT CONSTRUCTION DRAWING BY ROUDABUSH, GALE & ASSOCIATES, INC. { DATED NOVEMEBIJIM11122,0116 FIELD VERIFIED C.O. DISTANCE DOES NOT EXCEED 50'. MULCH UAYER(NO PAY ITEM) CLEANOUT WrrH WATERTIGHT CAP, TYP, DISTANCE BETWEEN NOT To EXCEED 50' A I E Ey._-,Q93 6 I I/ 2'-6" STATE APPROVED BIOFILTER MIX- (MINIMAL COMPACTION) 4' PEAGRAVEL FILTER LAYER V-a" VDOT 457 STONE UNDERDRAIN WRAPPED IN 4 OZ NON -WOVEN FILTER FABRIC o' PERFORATED SCHEDULE 40 PVC PIPE, SEE PLAN FOR SIZE BASIN BIOFILTER CROSS SECTION DETAIL NTS DETENTION ORIFICE, WITH TRASH RACK C rz � rf 1 ,J; SEQUENCE OF CONSTRUCTION FOR BASINS A, B, AND C: WITHOUT I BASINS ARE TEMPORARILY CONFIGURED AS SEDIMENT BASINS N PERMANENT SWM FEATURES. CONTRACTOR iS RESPONSIBLE FOR MAINTAINING SEDIMENT BASINS, AS SHOWN, UNTIL COUNTY EROSION INSPECTOR APPROVES OF BASIN TRANSITION FROM SEDIMENT CONTROL TO STORMWATER MANAGEMENT CONFIGURATION, UPON THIS APPROVAL, THE CONTRACTOR SHALL: 1. MUCK OUT THE BOTTOM OF EACH SEDIMENT BASIN. 2. RESTABILIZE BASIN. 3. REMOVE PERFORATED FLEXIBLE TUBING RISERS. 4. REMOVE PLATES AND BLOCKING ON LOWEST OPENING AND PREPARE FOR UNDERDRAIN CONNECTION. 5. INSTALL BIOFILTER MIX, PLANTINGS, AND UNDERDRAIN. 6. INSTALL ORIFICE TRASH RACK. SCALE i" = 50' SCALE IN FEET SCALE 1" = 50' 50 25 0 50 100 SCALE IN FEET v 509.60 Hici}-I R. I E:l t 500.15 I p I i ..- REMOVE DEWATERING DEVICE t ff I t)li;,',I f IC)n'Ci l ; f INSTALL ORIFICE TRASH RACK, SEE DETAIL SHEET 34 / PERMANENT SWMI BASIN BOTTOM ELEV 493.64 ' S - I REMOVE BLOCKING ON EXISTING OPENING AND TIE-INI NEW UNDERDRAIN 1NV ELEV = 488.50 !i TEMPORARY DIENT BASIN/PERMANENT SWM BASIN "B" DETAIL NTS OCIO CLEANOUT 6" PERFORATED SCHEDULE 40 PVC NOTE: PLANTING LOCATIONS ARE APPROXIMATE. SEE "BIOFILTER PLANTING PLAN" FOR PLANTING AREA AND REQUIRED AREA OF BIOFILTER MIX. NOTE TO REVIEWER: BASINS A, B, AND C WERE INSTALLED UNDER PREVIOUS PROJECT WPO-2008-00059. NOTES: 1. MUCK OUT' ELEV = 490.30. CONTRACTOR SHALL MAINTAIN STAKES LABELED WITH THE MUCK OUT ELEVATION. 2. SEE "SEQUENCE OF CONSTRUCTION" NOTE FOR TRANSITION FROM SEDIMENT BASIN TO STORMWATER MANAGEMENT BASIN. 3. ALL MAINTENANCE ASSOCIATED WITH BASIN PAID FOR UNDER "EROSION AND SEDIMENT CONTROL" PAY ITEM. 4. CONVERSION TO PERMANENT STORMWATER BASIN PAID FOR UNDER "CONVERT STORMWATER BASIN" PAY ITEM. BICIFILTER PLANTING DESIGN Biofilter Floor Dimensions Area = 5, i 85 5F 5, 485 SF " ^ 0.126 AC Planting Density = 400 stems/ acre Plants Required = 29 Plants Provided = 36 Tree to Shrub Ratio = 3:1 Shrubs = 22 Trees = 7 Due to FAA restrictions on planting trees in airside development, trees will be replaced with 2 shrubs. Final Number of Shrubs = 36 FINAL PLANTING SCHEDULE NOTE: AS -BUILT PLANTING NUMBERS, SPECIES, AND LOCATION FOR THIS BASIN HAVE NOT BEEN VERIFIED BY RGA FOR THESE AS -BUILT PLANS BUT HAVE BEEN PREVIOUSLY APPROVED BY THE rnuNTY COMMON NAME SCIENTIFIC NAME NUMBER PLANTING HEIGHT (FT) MATURE HEIGHT (FT) SYMBOL BRISTLY LOCUST Robinia fertilis 6 3A OR 18"-24" SPREAD 5-7 BL HORIZONTAL- JUNIPER Juniperus spp 6 3-4 OR IW-24" SPREAD 1-2 HJ SWEET FERN Comptonia peregrina 6 3-4 OR 113%24" SPREAD 2-4 SF WINGED EUONYMOUS Euonymus alatus 6 3-4 OR 18"-24" SPREAD 5-7 WE COMMON JUNIPER Juniperus communis "compressa" 6 3.4 OR 18"-24" SPREAD 3-6 CJ WITCH HAZEL Hamamelis virginiana 6 3-4 OR 18"-24" SPREAD 4.6 NH ENGLISH IVY Hedera helix GROUND COVER - SEED OR PLUGS NO1TE: Shrubs shall be planted at a maximum of 12' apart. Ground cover shall be planted approximately 2' apart and away from shrubs - F1 rn V 0 LU cM W � N O rn ' N `V Z O� z V) - Y Q J < J O Ow� U z> m a Z = W 0u) �o J � O Qz rC z r� V 0 > in O /n W V N O' LL 0> n L1I o N (n N W Z Q J LLI j a U_ 111✓✓✓ C)) = o w a000 O Fey LLJ V) CY)¢ rn C) z 0 a U rn LU 0 LU Q 0 0 0 n N �1 11 In -1 N a -1 IN- V1 Z Z Z O U 2 a = NLu 0 v0 O w a LU CL V) � LU LU `rI o o m ri O C5 Z OF VA JimmyJimmy L. Taggart Lic. No. 22841 4v7 �O�eSs/ E�G\�� �. ONAL Y 0 a.T. W N W Q CO Q z cc J J Z m 1- z >_ J D O W z W Q W 0 a. J 2 T� 1 U DATE: 11-28-2016 SCALE: 1' = 50' JOB: EXTEND RUNWAY FILE: 7998 SHEET: 4 OF 07 > .......... . 0 . . ........... - - - -------- � I ( j �I EXISTING � � : t r i �Cj¢ ` Itr•-i -�->� 1 ,1 I I I I E( 11 -A ill W ,{ � 1 1 f I 1 01. RIPRAP, CLASS 1, 01 oil. I A 95 SY S/i I "P, LAS A 170SY \j I n- 0 50 505".53 FOREB Y STA 80+19 504 STA 79 .42'1 �o H, 0 --- --- TQ uji5t4 MA I BASIN "D" APPROVED CONSTRUCTION DRAWING BY DELTA AIRPORT CONSULTANTS, INC. DATED OCTOBER 2012 A it AS -BUILT CL 7_/ CL .......... . '17 CONCRETE CONCRETE- L LOD UU MZ- L D-2� -LOD- LV ........ 77 . .......... 500 0 525* 494.80 7_ LAS-BUILT CL RIP -RAP I I 505.0 494.60 49 .41 5 1 1 l I EXISTING I I `[ 1 31 imp, L '1_,,,J A 1 5Rf. 34 fec-0 W, 6. z z C C.O. C.O." 03 01.631 P70-.501.51 t' i 1;,0 C AS -BUILT CL RIP -RAP 495.17 495.41 AS -BUILT CL 95LP,-RAP 495.33 jl � � 495.62 25 504.9, Ill 504%.8 AS -BUILT CL 505.0/ RIP -RAP 00. 9 6 9 -4565. 026- :0 +19; TA 80 -1439L BASIN "D" AS -BUILT CONSTRUCTION DRAWING BY ROUDABUSH, GALE& ASSOCIATES, INC. DATED NOVEMBM 2016 2' '6'STATE APPROVED CLEANOUT WITH WATERTIGHT SEE TYPICAL FOREGAY/ BIOFILTER MIX CAP'TYP, DISTANCE BETWEEN BIOFILTER SPILLWAY DETAIL (NO COMPACTION) NOT TO EXCEED 50' THIS SHEET FOR DIMENSIONS TOP OF BERAO SEE NOTE TOP WIDTH 17 20- U% CROWNED @ 29% FIE4D VERIFIED TOP OF ELEII(�,%q MULCHING LAYER SPILLWAY NO PAY ITEM) DISANCE DOES NOT EC�EED 50'. ELE V=503.63 J7,3� 11,EY=503.89 FOREBAY/ BIOFILTFR BOTTOM PROPOSED RIPRAP SPILLWAY 1. 5 4 �3✓ E LE V - 61,'54 ELEV' CLASS I RIPRAP N PERFORATED--_- 45-7C(E (SOLID) VDOT STD FILTER FABRIC (NO PAY ITEM) @1% SLOPE CONNECT TO SOLID UNDERDRAIN EVY-12 4'P5A GRAVEL FILTER LAYER Wfl`H PERFORATED UNDERDRAIN BIOFILTER CROSS SECTION DETAIL TYPICAL FOREBAY/ BIOFILTER SPILLWAY NTS NTS NOTE: IF BIOFILTER PLANTINGS ARE NOT AWARDED CONTRACTOR SHALL EXCAVATE NOTE: WIDTH OF SPILLWAY IS AS FOLLOWS: FORE8AY --- BjoFiumli =4;" 3 3. 50 TO BOTTOM OF STONE GRADE AND BACKFILL TO FINAL GRADE WFTH SOIL. BIOFILTER ---- S1jVM BASIN S SEQUENCE OF CONSTRUCTION FOR BASINS D, E, AND F: BASINS ARE TEMPORARILY CONFIGURED AS SEDIMENT BASINS, WITHOUT PERMANENT SWM FEATURES. CONTRACTOR 13 RESPONSIBLE FOR MAINTAINING SEDIMENT BASINS, AS SHOWN, UNTIL COUNTY EROSION INSPECTOR APPROVES OF BASIN TRANSITION FROM SEDIMENT CONTROL TO STORMWATER MANAGEMENT CONFIGURATION. UPON THIS APPROVAL, THE CONTRACTOR SHALL: 1. MUCK OUT THE BOTTOM OF EACH SEDIMENT BASIN. 2. RESTABILIZE BASIN. 3. REMOVE PERFORATED FLEXIBLE TUBING RISERS. 4. PLUG TEMPORARY ORIFICE WITH STEEL PLATE AND GROUT. 5. REMOVE PLATES AND BLOCKING ON PERMANENT ORIFICE, 6. INSTALL ORIFICE TRASH RACK. SCALE 1" = 50' SCALE IN SCALE i" = 50' 50 25 0 50 100 SCALE IN FEET .i V 503.89 0/ID( _10POF-RISER (11&'F [IF f AIL) 19.65 "VIE'P REMOVE DEWATERING DEVICE 501.14 Li -,GEN1(;Y SPILI IAY 100 YR 1­110H INATt'RI...­� 503.63 1-1 FV 500.28 ------ 10YRHIGI-IV1JA_fT-:R,- ELEV 98.05 BASIN riurrc)m ELEV ­ 494.00 3" OIA PFRFORATED 6" rE-NJIP()RAj'Y 01?IFICE INSTALL ORIFICE TRASH RACK, F. L I'-- V 19"1. 0 0 - ------------- - SEE DETAIL SHEET 34 Z�BL BL BL BL BL BLBL BL !0 HJ BL HJ BL BL.) (BL) 0- HJSHJ HJ OBLOBL HJ 8 HJ 8W 8 HJ E ej WE HJ 8 8 q HJ 8 HJ H q J HJ S WE 1 (SF OWE 8 8SF INS SF S E CO 3f�l WE - (SF C WE) SF (E i E 9. (!F W SF �) SF E I WE gW SF 8 WE (�D SF WE 9. 03F I SF Ci 11 & SF ISCi @ WH CiSF Ci (9t S IS Ci CjOWH WH Ci @ Ci OWH Ci e (WH QW I D- ! INH C- GJ c - WH Ci CV;H WH CJ 0 Cj WH WH I INFLOW 0 CO CLEAN OUT ---- 6" PERFORATED SCHEDULE 40 PVC BASIN "W" B10FILTER DETAIL NTS NOTE: PLANTING LOCATIONS ARE APPROXIMATE. SEE "BIOFILTER PLANTING PLAN" FOR PLANTING AREA. ENTIRE BOTTOM SHALL RECEIVE BIOFILTER MIX. EIV= 494,00 REMOVE EXISTING INV (11.1, _ ilqu. do PLATE/BLOCKING OVER ORIFICE OUTFLOW 140 Lic V 2_00f% TEMPORARY SEDIMENT BASINIPERMAN ENT SWM BASIN "D" DETAIL NTS NOTES: 1. MUCK OUT ELEV = 496.58. CONTRACTOR SHALL MAINTAIN STAKES LABELED WITH THE MUCK OUT ELEVATION. 2. SEE "SEQUENCE OF CONSTRUCTION" NOTE FOR TRANSITION FROM SEDIMENT BASIN TO STORMWATER MANAGEMENT BASIN. 3. ALL MAINTENANCE ASSOCIATED WITH BASIN PAID FOR UNDER "EROSION AND SEDIMENT CONTROL" PAY ITEM. 4. CONVERSION TO PERMANENT STORMWATER BASIN PAID FOR UNDER "CONVERT STORMWATER BASIN" PAY ITEM. 1310FILTER PLANTING DESIGN 9, 031 SF Blofilter Floor Dimensions 0.21 AC Planting Density = 400 sterris/acre Plants Requiired = 80 Tree to Shrulb Ratio = 3:1 Shrubs = 60 Trees = 20 Due to FAA irestrictions on planting trees in airside development. trees will be replaced with 2 shrubs each. Final Number of Shrubs Provided = 100 NOTE: AS -BUILT PLANTING NUMBERS, SPECIES, AND LOCATION FOR THIS BASIN HAVE NOT BEEN FINAL PLANTING SCHEDULE VERIFIED BY RGA FOR THESE AS -BUILT PLANS BUT HAVE BEEN PREVIOUSLY APPROVED BY THE COUNTY COMMON NAME SCIENTIFIC NAME NUMBER PLANTING HEIGHT (FT) I MATURE HEIGHT (FT) SYMBOL BRISTLY LOCUST Robinla fertilis 16 3-4 OR 18"-24" SPREAD 5-7 BL HORIZONTAL JUNIPER Juniperus spp 20 3-4 OR 18"-24" SPREAD 1-2 HJ SWEET FERN Comptunia peregfina 16 3-4 OR 18"-24" SPREAD 2-4 SF WINGED ELIONYMOUS Euonyrnus alatus 16 3-4 OR 18'f-24" SPREAD 5-7 WE COMMON JIUNIPER Juniperus communis "compressa" 16 3-4 OR 18'f-24"SPREAD 3-6 Ci WITCH HAZEL t-Ha-marn-lis virginiana 16 13-4 OR 1 W-24" SPREAD 4-6 WH ENGLISH IVY H,dera helix I GROUND COVER NOTE: Shrubs shall) be planted at a maximum of 12'apart. Ground cover shall be planted approximately 2' apart and away frorn Shrubs. B10FILTER PLANTING PLAN (BASIN "OD23) NTS (CY) (CY) (IN) (IN) BIOFILTER/ SWMIBASIN BOTTOM SBD 29.26 966 496.58 3,920 6 8 9,287 501.14 95, 0( ELEV=495. 06 SB E 12.64 417 417 487.70 1,694 5,088 492.70 6 8 486.00 P, SB F 12.56 414 414 478., 1,6114 3,353 482.95 4 6 477.00 NOTE TO REVIEWER: BASINS D, E, AND F WERE INSTALLED UNDER PREVIOUS PROJECT WPO-2010-00016. tiFLO.::,,VERIFIED :.SWM''CONY,ERSION ):'VOLUMES DAM TOP OF TOP EXIT PIPE BAFFLES DAM WIDTH CULVERT REQ'D ELEV. (FT) vriq 36" RCP NO _563._89__19_65__ 496.00 20 36"RCP NO 486.00 20 30" RCP NO 0 • rn �2 0 • V) 0 0) d Cj z 0 (L Z < �] 00 I- o) > ��<Ld 0 U 06 Z< 0 W 0� 0 LdJ 0 3: > O 0L0 LLJ LL Z 0- No > C� CY) LLI V)N C\j LLI > _j Lj < Ld > z LU 0 r: uo W _j V) 0_j M 0) U 0 LU 0 Ln vi LD U z Ln U.J 0 LU W a. LU . a- tn > LIJ > C:) LU rN t.0 Ln -i CD 0 a �q M CD C; �LTH OF Jimmy L. Taggart Lie. No. 10 22841 ON A L o CM >_ z < w Z 5; j > z 0 D W Q W O a. Jj w 2 cc w T DATE: 11-28-2016 SCALE: 11 = 50' JOB: EXTEND RUNWAY FILE: 7998 SHEET: 5 OF 07 F 7A CONVERSION TO PERMANENT SWM SEQUENCE OF CONSTRUCTION FOR BASINS D, E, AND F: BASINS ARE TEMPORARILY CONFIGURED AS SEDIMENT BASINS, WITHOUT PERMANENT SWM FEATURES. CONTRACTOR IS RESPONSIBLE FOR MAINTAINING SEDIMENT BASINS, AS SHOWN, UNTIL COUNTY EROSION INSPECTOR APPROVES OF BASIN TRANSITION FROM SEDIMENT CONTROL TO STORMWATER MANAGEMENT CONFIGURATION. UPON THIS APPROVAL, THE CONTRACTOR SHALL: 1. MUCK OUT THE BOTTOM OF EACH SEDIMENT BASIN. 2. RESTABILIZE BASIN. 3. REMOVE PERFORATED FLEXIBLE TUBING RISERS. 4. PLUG TEMPORARY ORIFICE WITH STEEL PLATE AND GROUT. 5. REMOVE PLATES AND BLOCKING ON PERMANENT ORIFICE. 6. INSTALL ORIFICE TRASH RACK. 'iN 496.05 I N1 f­ X 19. 88 I OP 70 VVAV REMOVE DEWATERING DEVICE 495.17 100 YR, H I G I I APIA f PI R, ELEV 492.510 R DI{ 10 YR HIGIA IPIATF-Fi" t ----\, '> I—— � RF O F Lf --RAIFF) FLEV ­- 48912f I BASIN BOTTOM 486.00 5"TEIMPOHARY 01`fl(_F. �Nv 01; 1 Q INSTALL ORIFICE TRASH RACK, REMOVE EXISTING SEE DETAIL SHEET 34 PLATEIBLOCKING OVER ORIFICE/ TEMPORARY SEDIMENT BASIN/PERMANENT SWM BASIN "E" DETAIL NTS I -. i -P1� li, Nf' I') TA C! v, )k S 8 kl' X TA 8 +31, .. . .......... 1-48A' Z 7 1474' 7 7: 5 BASIN "E" APPROVED CONSTRUCTION DRAWING SCALE 1" = 50' BY DELTA AIRPORT CONSULTANTS, INC. DATED OCTOBER 2012 50 25 0 50 100 )0 INFLOW SCALE IN FEET CID CA) X;7AS-BUILT CL WE WE RIP -RAP ) HJ WE r.-I (� AS -BUILT CL 'p HJ cA_ )J g f Tj CONCRETE WE -LOD- w­6 OUTFLOW HJ a4� CLOD� bb OD g )J PI q j WE 0- ---------- (�J) HJ (�W )E -49 9 04.87 . ....... R1141i, HJ i WE QLJ) �j WE HJ Iw I I( 'i, '� \ \ HJ WE HJ (9 f-�j SF 4�6-46 4.g6.69 AS -BUILT CL O 505.0 RIP -RAP SF CS Ci IS F1 o �o ;� h ,rn b� 487.01 ( I( r Cj ( SF SF EXISTING Cj) F SF Y- 486.69 504.94 486rO @j BL SF Ci Cj) (0i AS -BUILT CL WH RIP -RAP *493. CJ (Ble WH Q 487.81 8.30 WH WH WH I I.C.O.i� If 4tWH VIA (�'N H) �p BL 504.WiI; WH 493.80 WH (WHBL L " yq .... ......... . . . . . . - ----- 9 1 z I 6 'r 03.78 A do 505.07 C.O./ -/,.v CO CLEAN OUT I FPREAPX 0 6" PERFORATED SCHEDULE 40 PVC 493.19 73 ---..--AS-BUILT CL BASIN "E" B10FILTER DETAIL . .. . ..... RIP -RAP 5Q5. AS -BUILT CL RIP -RAP NTS --------- NOTE: PLAN TING LOCATIONS ARE APPROXIMATE. SEE "BIOFILTER PLANTING PLAN" FOR PLANTING AREA. ENTIRE BOTTOM SHALL RECEIVE BIOFILTER MIX. BASIN "E" AS -BUILT CONSTRUCTION DRAWING BY 000000, ROUDABUSH, GALE& ASSOCIATES, INC. DATED NOER2016 2'-6" STATE APPROVED CLEANOUT WITH WATERTIGHT SEE TYPICAL FOREBAY] BIOFILTER MIX CAP, TYP, DISTANCE BETWEEN BIOFILTER SPILLWAY DETAIL (NO COMPACTION) NOT TO EXCEED 50, THIS SHEET FOR DIMENSIONS TOP OF BERM - - - - - - - 1*11 SEE NOTE --j TOPWIDTH = 1" 20' @ 0.5% TOP OF CROWNED@2% MULCHING LAYER FIE�D VERIFIED C.O. SPILLWAY E E�p (NO PAY ITEM) DISTANCE DOES NO,�T XCEED 50'. Eyr LEV=495.1,7 E<EV=496.05 F PROPOSED RIPRAP SPILLWAY BOTTOM rl ELI�y,4493. /4 CLASS I RIPRAP PERFORATED UNDERDRAIN 45- WYE (SOLID) FILTER FABRIC (NO PAY ITEM) 01% SLOPE VOOT STD CONNECT TO SOLID UNDERDRAIN EVV-12 WITH PERFORATED UNDERDRAIN 4' PEA GRAVEL FILTER LAYER BIOFILTER CROSS SECTION DETAIL NTS NOTE: IF BIOFILTER PLANTINGS ARE NOT AWARDED CONTRACTOR SHALL EXCAVATE TO BOTTOM OF STONE GRADE AND BACKFILL TO FINAL GRADE WITH SOIL. TYPICAL FOREBAY/ BIOFILTER SPILLWAY NTS NOTE: WIDTH OF SPILLWAY IS AS FOLLOWS; FOREBAY-- BIOFILTER-a" 30.491 BIOFILTER-- SWM BASIN " 41.50' SCALE I" = 50' 50 25 0 50 100 SCALE IN FEET rLEANOUT CLEANOUT TOTAL DRAIN "LUME VOLUME CL T STORAGE BASIN AREA RE D PROVIDED EV. VOLUME (ACRES) (CY) REQUIRED (CY) BIOFILJE1711111. BASIN BOTTOM SBD 29.26 966 496.58 3,920 ELEV=486. 71 SBE 12.64 417 417 .70 48 1,694 F-12.56 A640417 414 47q8.h 1,684 NOTES: 1. MUCK OUT ELEV = 487.70. CONTRACTOR SHALL MAINTAIN STAKES LABELED WITH THE MUCK OUT ELEVATION. 2. SEE "SEQUENCE OF CONSTRUCTION" NOTE FOR TRANSITION FROM SEDIMENT BASIN TO STORMWATER MANAGEMENT BASIN. 3. ALL MAINTENANCE ASSOCIATED WITH BASIN PAID FOR UNDER "EROSION AND SEDIMENT CONTROL" PAY ITEM. 4. CONVERSION TO PERMANENT STORMWATER BASIN PAID FOR UNDER "CONVERT STORMWATER BASIN" PAY ITEM. 1310FILTER PLANTING DESIGN 8, 185 SF Biofilter Floor Dimensions ' 4 4 0. 19 AC Planting Density = 400 sterns/acre Plants Required = 56 Tree to Shrub Ratio = 3:1 Shrubs = 42 Trees = 14 Due to FAA restrictions on planting trees in a4side development, trees will be replaced with 2 shrubs each, Final Number of Shrubs Provided = 70 NOTE: AS -BUILT PLANTING NUMBERS, SPECIES, AND LOCATION FOR THIS BASIN HAVE NOT BEEN VERIFIED BY RGA FOR THESE AS -BUILT PLANS BUT HAVE BEEN PREVIOUSLY APPROVED BY THE FINAL PLANTING SCHEDULE COUNTY COMMON NAME SCIENTIFIC NAME NUMBER PLANTING HEIGHT (FT) MATURE HEIGHT (FT) SYMBOL BRISTLY LOCUST Robinia fertilis 11 3-4 OR 18!'-24" SPREAD 5-7 BL HORIZONTAL JUNIPER Juniperus spp 15 3-4 OR 18"-24" SPREAD 1-2 HJ ISWEET FERN Corriptonla peregrina 11 3-4 OR 18"-24" SPREAD 2-4 SF WINGED EUONYMOUS EUonymUS alatus ill OR 18%24" SPREAD 5-7 WE COMMON JUNIPER iis'compressa" 11 3 4 OR 18"-24'SPREAD 3-6 Ci WITCH HAZEL Harnamelis virginiana 11 34 OR 18"-24" SPREAD 4-6 WH ENGLISH IVY Hedera helix GROUND COVER NOTE: Shrubs shall be planted at a maximum of 12' apart. Ground cover shall be planted approximately 2' apart and away from shrubs. L111gagul-mm"m IMM4412, M 44" EL�VATIQNS BELOW:,,.ARIE FIELD.'; VERI,,FIED..'--SWM ,.QONVERSI S BA 114, mEs S b ELEVATIONS. AND S WIA: . ND NOIL TOTAL DIAMETER DIAMETER DAM VOLUME RISER OF OF TOP OF TOP EXIT PIPE PROVIDED ELEV. DEWATERING FLEXIBLE BO-1 I OM CULVERT BAFFLES BAFFLESWIDTH AT RISER ORIFICE TUBING ELEV. ELEV. (FT) REQ'D (CY) (IN) (IN) 7,078 499.60 6 8 494.00 503.00 20 36" RCP NO ;,E)86 6 8 36" RCP NO 5,748 493.81 486.71 496.05 7958 8 T3,353 482.95 4 6 477,00 486.00 20 30" RCP NO A I rn Lo O V) 0 d z Z V) 2<J 0) < r- � ~ V::)) LJ 0 0< in z Lv,) aid 0 V) 0� 0 W _j D 0 U2 < Q� < 0� _j Z zr U � (3 z 0� 0 > C) (3 C? LU LL Z 0 r- CF) > tY 0 CY) CO LLJ C,4 N Ud QV) < > z 0 < LLj U _j CL V) g z LV,) 0 uO LLJ V) � Cr) < CY) M cy) C) U M LU 0 O Ln Ei I- Vi z z I- o :2 z 2 U U z U V) Z) Lij C) 0 u 0 " U LU 1= CL LU Vi C1. > LU Vi > U-1 01- C:) r-i LLI Lo rq Ln C:) M I-11 C:) 0 z Lic. No. 22841 �Fss /ONAL F_ ir o W - 04 z < W < U) < z 3: > z 8 U) W co O CL .j W 2 co 0 DATE: 11-28-2016 SCALE: 1'= 50' JOB: EXTEND RUNWAY FILE: 7998 SHEET: 6 OF 07 t�`v •, `, (/ ISTING .,1 �, � ;,�-- - � r''-/ Y, , �,' ,! f'' �' j' .•+,, ;' ; _ �o I l r(% � ' '-: �._ _., � . -___ - l r ; . ► � i `-1800' LT EC I . it ---- sT i G , i 5 f _ _ F`. P '\ t l y. 1. I v= 1 / 1it i"It `. iLL i I O �� I\tIl t I rnih . )'I Jj I fI j & ' XQ `WIII !Illl � 1 l I i t� I I , to i II m'i�i 1 I�� ,`li ' fV O '1 00' L BASIN 'IF" APPROVED CONSTRUCTION DRAWING BY DELTA AIRPORT CONSULTANTS, INC-. DATED OCTOBER 2012 17 LQD - __'Ms. ......� '•, ;-- :,� l d r,t + I , r - �V \ . i cr .� ISTING _ ` / r �,� - 1 800' LT ~--AS-BUILT C CONCRETE I AS -BUILT CL -- i RIP -RAP 0. If �� Irk I � •I -�< !lfr I � 0 1,; it l i (1 a AS -BUILT CL M RIP -RAP Ij 11 0 C.O. 65 ���•�•t•0 1�•U•t• a.:. 3•t������it• y%tG�;t► rtt►•t; ,;ruQ Vj O V 'a iwft•41�- j - IIke V,•r�i�� �yf� •'t►�� ��t t.;.477.40 .�w,te;�Q�y+tt• u I T. •` 01 • P. 4�21 � -- 485.79 4. t _-4r i rl Q'Tf.7T. i BASIN 'IF" AS -BUILT CONSTRUCTION DRAWING BY ROUDABUSH, GALE & ASSOCIATES, INC. DATED NOVEM[BER 2016 2'-6' STATE APPROVED CLEANOUT WITH WArERTIGH7 SEE *TYPICAL FOREBAY/ BIOFIL rER MIX CAP, TYP, DISTANCE BETWEEN BIOFILTER SPILLWAY DETAIL (NO COMPACTION) NOT TO EXCEED 50' THIS SHEET FOR DIMENSIONS SEE NOTE -I FIELD VERIFIED C.O. TOP OFBEff2Mf ROOP WIDTH= % 2(Lu�eS% MULCHING LAYER i ,� v TUP OF I CROWNED (� 2 % ELEy,=,jf �(NO PAY ITEM) DIS ANCE DOES NOT IXCEED 50' . SPILLWAY IkN i. I ELEV=485 ELEV=486.07 FOREBAY/ i+Y�(,�'`%(Y BIOFILTER BOTTOM PROPOSED PRCSPILLWAY / ELEV Qp3.70 , - ti✓ / n r` r i i CLASS! RIPRAP PERFORATED UNDERORAIN o 45° WYE (SOLID) FILTER FABRIC (NO PAY ITEM) a�1 %SLOPE VDOT STD CONNECr TO SOLID UNDERORAIN EW-12 WITH PERFORATED UNDERDRAIN 4' PEA GRAVEL FILTER LAYER BIOFILTER CROSS SECTION DETAIL NTS NOTE: IF BIOFILTER PLANTINGS ARE NOT AWARDED CONTRACTOR SHALL EXCAVATE TO BOTTOM OF STONE GRADE AND BACKFILL TO FINAL GRADE WITH SOIL. TYPICAL FOREBAY/ BIOFILTER SPILLWAY NTS NOTE: WIDTH OF SPILLWAY IS AS FOLLOWS: FOREBAY-- BIOFILTER -ee= 35.70 ' BIOFILTER ---- SIAM BASIN --'c 40.92 ' CONVERSION TO PERMANENT SWM SEQUENCE OF CONSTRUCTION FOR BASINS D, E, AND F: BASINS ARE TEMPORARILY CONFIGURED AS SEDIMENT BASINS WITHOUT PERMANENT SWM FEATURES. CONTRACTOR IS RESPONSIBLE FOR MAINTAINING SEDIMENT BASINS, AS SHOWN, UNTIL COUNTY EROSION INSPECTOR APPROVES OFBASIN TRANSITION FROM SEDIMENT CONTROL TO STORMWATER MANAGEMENT CONFIGURATION. UPON THIS APPROVAL, THE CONTRACTOR SHALL: 1. MUCK OUT THE BOTTOM OF EACH SEDIMENT BASIN. 2. RESTABILIZE BASIN. 3. REMOVE PERFORATED FLEXIBLE TUBING RISERS. 4. PLUG TEMPORARY ORIFICE WITH STEEL PLATE AND GROUT. 5. REMOVE PLATES AND BLOCKING ON PERMANENT ORIFICE. 6. INSTALL ORIFICE TRASH RACK. SCALE 1" = 50' 50 25 0 50 100 SCALE IN FEET f 486.07 tt is , i 20.80' !-JJ.4' .. ),. REMOVE DEWATERING DEVICE , { I 483.98 -r= I, ,s a t •t v 1 •: , i 1' 1 • ri INSTALL ORIFICE TRASH RACK, ORIf �r /' ; " 1 SEE DETAIL SHEET 34 477.13 _ REMOVE EXISTING ., AND F; PLATE/BLOCKING OVER ORIFICE. ,SINS, WITHOUT IBLE FOR 'Y EROSION VIENT CONTROL THIS TEMPORARY SEDIMENT � � I 1 ENT SWM BASIN "T" DETAIL THIS APPROVAL, _ _ NTS NOTES: GROUT. 1. MUCK OUT ELEV = 478.73. CONTRACTOR SHALL MAINTAIN STAKES LABELED WITH THE MUCK OUT ELEVATION. tIFICE. 2. SEE "SEQUENCE OF CONSTRUCTION" NOTE FOR TRANSITION FROM SEDIMENT BASIN TO STORMWATER MANAGEMENT BASIN. 3. ALL MAINTENANCE ASSOCIATED WITH BASIN PAID FOR UNDER "EROSION AND SEDIMENT CONTROL" PAY ITEM. 4. CONVERSION TO PERMANENT STORMWATER BASIN PAID FOR UNDER "CONVERT STORMWATER BASIN" PA`( ITEM. QCO ' BL 06L,BLBL HJ BL a HJ - BL � HJ BL HJ BL HJ WE HJ WE f HJ WE HJ WE a HJ WE SF 8WE,SF WE OSF� WE f SF WE SF CJ f SF CJ r,9 )F SCi SF CJ 9 SF @ci WH CJ oCJ CJ a �P IS, wH WH 9 WH WH �j� WH INFLOW OUTFLOW OCO CLEAN OUT 6" PERFORATED SCHEDULE 40 PVC BASIN 'T" BICIFILTER DETAIL NTS SCALE 1" = 50' NOTE: PLANTING LOCATIONS ARE APPROXIMATE. SEE • 50 25 0 50 100 "BIOFILTER PLANTING PLAN" FOR PLANTING AREA. ENTIRE BOTTOM SHALL RECEIVE BIOFILTER MIX. -4- 14111111kh, BIOFILTER SSNM BASIN BOTTOM SB D 29.26 966 ELEV 477.'I3 S B E 12.64 417 417 SB F 12.56 I4004PI4 414 TOTAL T STORAGE EV VOLUME eEV REQUIRED (CY) 496.58 3,920 487.70 1,694 478.r 1,684 BIOFILTER PLANTING DESIGN. 8, 276 SF Blofiiter Floor Dimensions ' °--^^=-- 0. 19 AC Planting Density = 400 stems/acra Plants Required = 44 Tree to Shrub Ratio = 3:1 Shrubs = 33 Trees = 11 Due to FAA restrictions on planting trees in airside development, trees will be replaced with 2 shrubs each. Final Number of Shrubs Provided = 55 NOTE: AS -BUILT PLANTING NUMBERS, SPECIES, AND LOCATION FOR THIS BASIN HAVE NOT BEEN FINAL PLANTING SCHEDULE VERIFIED BY RGA FOR THESE AS -BUILT PLANS BUT HAVE BEEN PREVIOUSLY APPROVED BY THE COUNTY COMrV1ON NAILIE SCIENTIFIC NAME NUMBER PLANTING HEIGHT (FT) iVIA'iURE HEIGHT (FT) SYMBOL BRISTLY LOCUST Robinia fertilis 9 3-4 OR 18"-24" SPREAD 5-7 BL HORIZONTAL JUNIPER Juniperus spp 10 3-4 OR 18"-24" SPREAD 1-2 HJ SWEET FERN Comptonia peregrina 9 3-4 OR 1W-24" SPREAD 2-4 SF WINGED EUONYMOUS Euonymus alatus 9 3-4 OR 18"-24" SPREAD 5-7 WE COMMON JUNIPER Juniperus communis "cornpressa" 9 134 OR 18"-24" SPREAD 3.6 CJ WITCH HAZEL Hamarnelis v(rginiana 9 3-4 OR 18"-24" SPREAD 4-6 Y!H ENGLISH IVY I Hedera helix GROUND COVER NOTE: Shrubs shell be planted at a maximum of 12' apart. Ground cover shall be planted approximately 2' apart and away from shrubs. f l ; �. I S E W RE I LD : ERIFIEp: SW 0 V R 0 _ ELEVAT ON V MST..N :. B LO A:.. F.E ELEVATIONS AND SWM' POND VOLUMES .. TOTAL DIAMETER DIAMETER DAM VOLUME RISER OF OF TOP OF TOP EXIT PIPE PROVIDED DEWATERING FLE!BOTTOMELEV. !BOTTOM DAM WIDTH CULVERT BAFFLES AT RISER ORIFICE TUBING ELEV. ELEV- (FT) REQ'D (CY) (IN) (IN) 7,078 499.60 6 8 494.00 603.00 20 36" RCP NO 5,088 492.70 6 8 486.00 496.00 20 36" RCP NO 11.11913. ,"^ ^ 4 6 - 7'_U_V -avzT"v--26 30" RCP NO �. �, �.... ,w �. 1. :.:, ,� f; '`- '� I► ;. ', '., _ - � � r •. , •. s �, it ..' � . ..'.. ,,► �. '�' .. .... - i a. � ' R" - • . �� (I -� '�. �j I U o Ld M W rn x V z �D z V) - ¢ J Y �i y � O Q 2<LL J to W O U Z N ¢ m a z Lit F-• U I- o (n tY O =) ,n _j z M r o � z 0 r� V O> o W� CV LLz 0> o Ir D � to N N W Q > z o J ¢ w W U cn J = a J rNN O a LLI A/ � O fib w � �¢ rn U Z 0 V LLI 0 LLI 0 z 0 -i Ln �\i N vi z z o U z n. � � z � U Z ov 0 0 w W n_ LU a o ,-+ w� Ln r-I CD m o .-+ o 0 rl N Jimmy L. Taggart Lic. No. 22841 � �FSSf0NAL l.�L. +0 a. T' LL " N Z Q W `JQ Q z °_ J Z Z > O �/,�) U a W V! Q W q 0 as .j 2 DATE: 11-28-2016 SCALE: 1" = 50, JOB: EXTEND RUNWAY FILE: 7998 SHEET: OF 07