▪ =NM •

\

D.A. 4 A= 0.23 Ac. C= 0.74 ,TO, INF

\./

(TO

OAKTON LIBRARY

D.A. 12 A= 0.09 Ac. C= 0.41 TO STORM INLET

ABBREVIATION D.A. = DRAINAGE AREA OF SUBAREA (PERVIOUS AREA + IMPERVIOUS AREA)

..M01011“. 101,1111.11,011.00 • U ••••• •

40'

SCALE: 1-.40'

• TOLTPEILP.IS•P•••P•COT• '• °MIL

80'

II Op

g• 0 ,2 3*. P GEOROE EDWARD ^'

CLARK IV laC.N0.042003 08/02/2013,

ORAL

V;

SCALE r.so

D.A. 12 A= 0.09 Ac.

TO 0.41 O STORM INLET

x Xx

Amanda fete i Coculstions Workshmt

BMP MAP Northern Vui0nia BMP Handbook 11/8/92

• Design 2(4.0 x Volume of runoff from mean storm) = awl= = S .• OM= S MIMI • ••••••0 • • IN *snow • .•••• 1=== • ▪ 111,.•.m. • ••

1•••••••••••••11.1••••10-•=1•=1===n0-21 en! •

ill•••• III MEM •

D.A. 2 A= 0.13 Ac. C= 0.90 ROOF DRAIN (TO STORM ---\ MANHOLE) Kv<

.t Li I

LYN NP) ACL -A= 0.,07 Ac. ROAD)

_ _C=j11.32- - TO STORM INLET

AREA DRAINING TO INFILTRATION TRENCH %11110041.1.

AREA IN CONSERVATION EASEMENT

A= 041 A C= 0.73 TO PP N

D.A. 13 A= 0.24 Ac. C= 0.33 TO OFF-SITE ROADWAY

ABBREVIATIONS INF • INFILTRATION TREVCI1 810 BIORETENTION AREA PP = PERMEABLE PAVER BLOCKS CONS • CONSERVATION EASEMENT

wren.

BMP Facility Design C8148111

Man Name CLAXTON UBRARY BLIP RETROFITS hk

I Plea rIbtr

I. WMILLIWISIX-EXTAIIII THE NARRATIVE IS PRO/IDED BELOW 'ME 9.4

11 11S93020.111101111W1

pm Ii at all al the &lbws"' Ind "C' Faders tread in Mg

Subarea Daspredon OrleareXCA Ill a #1, op4s,nstv, cONTRPLLED TONE

0151: 1:1:13°WthED TO" 517: "."9 0_10.11rf

115_•±..31*TEAV_J_QW__191.16.6 TO 11.9/if_. I 06 'OHM DEV. COBTROLLEILTOBIODNF____

...OBSUE.COLLINCONTROUED TOSTORIAINLET M.ONSITI-DEY-COffMLED TO PP__ I /RANSIL DEV...CONDICiLLBLTO_PP

ONSITE.DIBLCOMERCLLED TOM= DID,ONSTIE.UMIBLIDICODMIDLLED 10017..51TE 1 Hi, CRIME. DEv.ixamanuano ammo I 012_-_CASUEDEV..UNCONDICILED TO STOENLIMET 1/13 • ONSITEDEV. UNCONITIOLLED/OSCF-SITE • DIL_CBSITE MEY-111%1TROU.1512 OK I

---

NOTE. Amami IcanuleC' Won Were. hen Ihe or444omnerc on wmamon to".8wP toefily(Aorkt0eui

A0.19 es Prow malt Co.rity044.1"IPOC".1A.N.Nwtawn

Caktimlons Worlith444 1 App•ndlx

part) Come.' int Wamtled Menem C Freio, to, to, I (A) An's st• (B) Subova Daiwa"'

11) .90 ._ X ta

II 0 I

x X

0J4__ x Qatx

X 1 x I Xi

80 071 .

010 . ------

0,32.. .012 . DAI _ x' 813 924 x I it4 0.30 x

S.

(Cl Waighted owns. A- facto XI

pmi 3 COMOIA, 1= Total Flmeetorrus Removal far the

Subarea SW Remora Arta 0•Kinanan Typo Eft (%) RM."

(I) CZ 131 (Al

65 S.

_Q.09 in WOW 05 x x

BIO/INF 65 x 0.13 X

- 11§. x

PP -S5 x - x I

16 ROM_ es _ x x $13 FP 35 0.01 x

cota

INF 65 x 0.96 x I

Fy_ x

1 co

380;7- - ---

A= 022-Ac. C= 0.36_ 2--

. 9a -

C= 0.72 T•PP

4k=4:11 Ac. LYNNHAVEN PLACE (PH) VAN BOAC))

C= 0.74 TO STORM INLET

ir • =MINI la • UM.= la

LEGEND AREA DRAINING TO PERMEABLE PAVER BLOCKS

AREA DRAINING TO BIORETENTION/ INFILTRATION TRENCH

amillig=ampmffPITIttIi

-----------

'AIRY TREATMENT. IN ORDER TO MEET THE • PROPOSED UNDER THIS RAN. IN ADDMON. A 0.33

F DEDICATED AND RECORDED AS 08 33802, PG 1722. AN ISLAND OF TfiE EAST PARXING AREA AND FACILITY HAS TWO STORMTECH ISOLATOR ROWS.

'REAMS A PORTION Ul• 1St UNKARY MX* AND

V SEVERAL INFLOW METHODS THAT INCLUDE OA 3). ANC) FINALLY A SPLITTER MANHOLE FOR

"FACILITY RELIES ON INFLTRATION (1.0 trio, PER

EEa

STING STORM SYSTEM. THE DRAINS ARE ABOVE N0T FEASIBLE. THE FACILITY PROVIDES SHCKSN IN THE MP MAP.

R RATE) SO A SERIES OF UNDERDRAINS AND A AR EXISTING CURB INLET NEAR THE SYSTEM. THE

IS 8 AND HAS SHOWN IN THE BMP MAP.

IGON FACILITY. AND THE PERMFA11 F PAVEFtS R.CEEDS INS REQUIREMENT OF 40%.

LT2 AREAS DRAINING TO NEARBY INLETS OFF-SITE. DISTURBANCE WOULD BE REQUIRED AND IT WAS

/A 10 DRAINS THROUGF TO THE CONSERVATION

/TORMWATER RUNOFF

I VELL)PMENI FLOW DOES NOT EXCEED THE

911 ARCHITECT: FAIRFAX COUNTY, VIRGINIA

DEPARTMENT OF PUBLIC WORKS AND ENVIRONMENTAL SERVICES

CAPITAL FACILITIES

OAKTON LIBRARY BMP RETROFITS BMP CALC S. AND NARRATIVE

DEVELOPER/CONTRACT OWNER: COUNTY OF FAIRFAX B.O.S. CON'IAcT, 4.5005005 S,Via,

A2D

ROOFAx

CO,:.

AT.R

2N2

1.10

L3N51 CENTER Pk.KWAY. S.: IT E 449

(713) 324 3,811

OWNER: COUNTY OF FAIRFAX B.O.S. CONTACT: KATAYOON SHAYA. AGEN !2003 CENT RNMEN7 CENTER PAPKWAY. SITE 449

FAIRFAX, VA 22035 PHONE: (703) 324-5810

ENGINEER:

ATKINS ATMS NORTH AMERICA, INC.

MNTERYEW CRNE SUITE N' CIWO1U.Y. VA 20151 003)471.7215

CONTRACT NO. XXXXXXXXX PROJECT NO. 302/004839 Fairfax Comm%

Library

SCALE 1"-= 40'

'315 ONE)) V:201 f01 35: 5.3

1:•11KF1 AS DATE APPROVED BY 3ESCRIPTION S

APPROVED BY THE OFFICE OF SITE DEVELOPMENT SERVICES Al

SHEET

CJ60i FUND.' co.

•

6 OTT.

Yd Uyirie SIZE COMMON NAME BOTANICAL PINAE COMMENTS STATUS Lee Blusslown 40

10

Teat 100

InOlin Oros

LaWdayenwis --t= 100904in tarsi toonaReME

SYMBOL

SHRUBS/ SMALL TWEES

CONTRACT NO. X(XXX XX XX PROJECT NO. 302/004839

DES GNED CEC DRATTED DY: RAI CI-ECKED BY: TAO

SCALE 1-=10'

SHEET LS101

Andropogon virginicus

Asdepias tuberosa

Aster oblongifolius 'Raydon's Favorite'

Baptisia sph 'Screaming Yellow'

Freight Charges - Handling/Box

Freight Charges - Outside Carrier

Panicum 'Cape Breeze PP24895

Physostegia v. 'Pink Manners PP23482

Pycnanthemum flexuosum

Solidago odors

Description Size

50LP

50LP

50LP

50LP

EA

EA

50LP

50LP

50LP

50LP

ARCHITECT: DEVELOPER/CONTRACT OWNER: COUNTY OF FAIRFAX B.O.S.

CONTACT: KATAYOON SHAYA, AG Eh/ 12030 GOVERNMENT CEN"FR PARKWAY. SUIT 44 FAIRFAX. VA 22035

.HONE: (703) 324-5800

OWNER:

COUNTY OF FAIRFAX B.O.S.

CONTACT: KATAYOON S -LAVA, AGENT 12C00 GOVERNMENT CENTER PARKWAY, SJITC 449 FAIRFAX, VA 22035

PHONE' (703) 324-580G

ristsAceous PV 206 PHYSOSTEGIA VIRGINICA

SN 205 SORGHASTRUM NUTANS

SS 205 SCHEACHYRUTIA SOOPARIUM

ENGINEER:

ATKINS ADIB1S NORTH AMERICA, INC. 3520CENTERVEW DRIVE. WM NO OWITILLY, VA 20151 (702)4710275

Quantity Ordered

1

4

2

1

2

3

3

1

GENERAL NOTES: 1.LANDSCAPE CONTRACTOR SHALL VERIFY ALL QUANTITIES AND SHALL NOTIFY LANDSCAPE ARCHITECT OF ANY DISCREPANCIES.

2.THE LANDSCAPE CONTRACTOR SHALL VERIFY THE EXISTENCE OF AND STAKE ALL UTEMES PRIOR TO CONSTRUCTION. EXCAVATION OF PLANT PITS LOCATED WITHIN S• OF UTTLMES SHALL. BE PERFORMED BY HAND. ANY UT/ITV/PLANT MATERIAL CONFUCTS SHALL BE BROUGHT TO THE ATTENTION OF THE LANDSCAPE ARCHITECT PRIOR TO INSTALLATION CO ANY FIELD ADJUSTMENTS

3.THE LANDSCAPE CONTRACTOR SHALL SUPPLY AU. PLANT MATERIALS IN QUANTITIES SUFFICIENT TO COMPLETE TIE PLANTINGS SHOWN ON ALL DRAWINGS. ALL PLANTS SHALL MEET SPECIES AND SIZE SPECIFIED ON THE APPROVED PLANS THE CONTRACTOR SHALL GUARANTEE PLANT HEALTH AND SURVIVABIUTY FOR ONE YEAR FROM DATE OF PROJECT ACCEPTANCE. ANY MATERIAL NOT MEETING SPECIFICATIONS OR DISMAYING POOR HEALTH SHALL BE REPLACED AT CONTRACTORS EXPENSE.

4. ALL PLANT MATERIAL SHALL MEET THE STANDARD SPECIFIED IN AMERICAN STANDARD FOR NURSERY STOCK (ANSI 260.1). NOTIFY LANDSCAPE ARCHITECT A MINIMUM OF ONE WEEK PRIOR TO PLANT DELIVERY TO SCHEDULE ON-SITS INSPECTION UPON DELIVERY. INSTALLED PLANT MATERIAL NOT MEETING SPECIFICATIONS SHALL BE REMOVED AND REPLACED AT CONTRACTORS EXPENSE.

S. TIE LANDSCAPE ARCHITECT RESERVES THE RIGHT TO NNE PLANTING BED FIELD CHANGES TO ACCOMMODATE SITE CONDITIONS AND TO ACHIEVE THE DESIGN INTENT. THE LANDSCAPE CONTRACTOR SHALL FLAG ALL TREE AND BEDUNE LOCATIONS FOR APPROVAL BY LANDSCAPE ARCHITECT PRIOR TO ANY INSTALLATION.

8.ALL PLANTS SHALL BE PLANTED AS SPECIFIED IN VIRGINIA COOPERATIVE EXTENSION PUBUCATION 430-295. 'TREE AND SHRUB PLANTING GUIDEUNES.•

7. PPM 12-0705 SHALL BE FOLLOWED FOR TREE AND SHRUB OUIOEIJNES. TO INCLUDE STORAGE. MULCH**. WATERING. ETC.

B. TREES SHALL NOT BE INSTALLED WRHIN 4 FEET OF ANY BARRIER.

9.DO NOT CREATE MOUNDS FOR TREES IN PARK** ISLANDS. INSTALL ALL PLANTS WITH TOP OF ROOT BALL Al' MADE.

IS. THE LANDSCAPE CONTRACTOR SHALL CONDUCT REPRESENTATIVE SOIL ANALYSIS PRIOR TO THE INSTALLATION OF ANY PLANT MATERIAL. THE LANDSCAPE CONTRACTOR SMALL NOTIFY THE LANDSCAPE ARCHITECT OF ANY IMPROPER SQL COMMON (NUTRITIONAL DEFICIENCIES. WETNESS. IdUCK. DEBRIS. ETC.) AND SHALL RECO...MEND FOR APPROVAL. PR/OR TO INSTALLATION, ALL SOS. AMENDIENTS THAT MAY BE NECESSARY TO PROMOTE HEALTHY. VIGOROUS PLANT GROWTH.

-

X

206 Ski 206 PVI 206 WI

4 - CA

4-

x rIZT PARKING LOT

X

X X

SHEET LEGEND

BIRORETEMON AREA

ASPHALT PAVEMENT

INFLTRATION TRENCH

11.THE LANDSCAPE CONTRACTOR SHALL FtEPAIR OR REPLACE ANY EXISTING VEGETATION DISTURBED BY PLANT MATERIAL INSTALLATION ACTIVITIES. THIS REPAIRIREPLACEMENT SHALL BLEND W.I. Fico I' WITH THE EOSTING LANDSCAPE. LANDSCAPE CONTRACTOR SHALL SOO ALL DISTURBED AREAS.

12.THE LANDSCAPE CONTRACTOR SHALL COORDINATE WITH TIE GENERAL CONTRACTOR IN PREPARING PLANTING AREA FINAL GRADE ELEVATIONS.

toonrreernoe AREA

TO INCDUOE SEED MIX ANZIGOMPOST

ASPHALT PARKING LOT

—A

1 ft 13.LANDSCAPE CONTRACTOR SHALL NOTIFY LANDSCAPE ARCHITECT A MINIMUM OF 4$ HOURS PRIOR TO COMPLETION TO SCHEDIAE FINAL WAIN THROUGH. A FINAL WALK THROUGH SHALL NOT BE PERFORMED IF PREVIOUS PUNCH LIST ITEMS ARE NOT COMPLETED.

14.BIORETENTION FACILITIES SHALL BE POSTED WITH PERAWIENT SIGNS DESIGNATING TIE AREA AS A WATER QUALITY MANAGEMENT AREA PER PPM 8-1307.3C. PLATE ME

BIORETENTION AREA to receive SEED MIX and COMPOST

Indicated below: Seed Mix Detail

ileMnIMe Nemo Comma Mew Pursed of /AM

PLANTING LIST

Andlopecon *Nam

—z=bta—g° Compot04101000100

LIMAsaptele

Meanie*** Butterfly VV.0:1 10

-- Pertrldas Pee 10 Lanoe4.4011COMC 10 Minh Biesing Star 10

NATIVE DO NOT prune lerinkal Wow or Damn tlims CEANOTHUS AMERICANUS

RHUS AROMATICA

HYPERICUM DENSIFLORUIA

NEW JERSEY TEA

FRAGRANT SUMAC

BUSHY ST. JOHNS WORT

CONTAINER

CONTAINER

CONTAINER

rwreerSime LENIN multlkeurn

Prune co-dominant Modem

Ailtual rye Tobit 100 NATIVE tr-24" NATIVE 12%1EP

CA

RA 7

ND 10

Prune rubbing a oroas btindles

00 NOT Melte or wrap bulk uniela mamma

Remove NW and lob&

Cut away el baling roma

Paw suckers

24 midi layer, keep may kern tunk

Sol wel N conain water

Mune mom oath angle AN men sprouts

Mune broken branches

Remove lop Mrs basket

D Mold* Ka

Widen AN scare hole well Parealy backlE water To wag salad *WM boding

Remove cordelner end ad circling —.-mots V corgi's, gram, or as much tulip as poselge B fleklyrom Leese sald ea pedestal - do not dig deeper

Men MI depth

Nee for mem Malays 0010 Ol de nary be WYNN

Dig hole 24Wnes root bsl mldth

0 TREE & SHRUB PLANTING DETAIL Samos: 'Tree AN Shrub Merano Guldsinee Virginia Ccaperellve EX111010:41. Virgin* Polytechnic inelltule and Stile Uriversby

N.T.S.

POW may Peek Aruba, or polled Pule pew be applketlon el specteod compost Mogul Amy 3-Indi Winkel of spectral carrycot prior To or donne owe emilesbort Carmel she be Soistme Cornoeet orearbb ken Ladam Composting 44150 Wale Dino Camay, VA 201* Phone 7034274425. FAX 703-3274340 or an scomed egret The ow. WeIr (Oalaan woaseL. abalbla ibla STA ealliallibla Par all 00aboilt LOKI eira be eutatitied AN IMMO plat bANobboa. lbernalee ma* to STA approved by the U.S. Comma% Cancel Seel el Warm Monroe Pogrom

Brendesel. pump cc hand soon et 10:41000 II AN ennui! rye Opium nialloon) at111Y1000 leen lap of scided 3401 Minket d ipeclawl cronpoel Seed may be robed win spoiled Camped le eleW n hand wedna Subetbile Mier Most la ennui rye I ending Mar COMer I. Reseed end mulch el snow von Imo to, 60% gemenellon

°Moo wed ERNST rac or appoved equIvelect Seed can be poWeeed Itoorean ERNEIT Coneeneke 5554151 0000 Mercer Pao 164404116 Ponneynenli 1633641001673-3321 (Tel Free). (S14)336-2404 (Atone). (9I4) 3364161 M419 7144F41144 (INFIND Moms). and cerEaNaris Tor el seed mkee INN be embolic' we wooed p501 50

10 20

SCALE 1,Lo

EMERGENCY POLICE — FIRE — RESCUE 911 FAIRFAX COUNTYL VIRGINIA

DEPARTMENT OF PUBLIC WORKS AND ENVIRONMENTAL SERVICES

CAPITAL FACILITIES

OAKTON LIBRARY BMP RETROFITS LANDSCAPE PLAN

1411(PPROVED BY THE OFFICE OF SITE DEVELOPMENT SERVICES

DESCRIPTION BY APPROVE() DAIE

FUND#