HomeMy WebLinkAboutWPO201300044 Plan - Stormwater Minor Amendment 2016-09-28PROJECT NOTES:
Sheet Number
OWNERS. •
AVON PROPERTIES, LLC (TMP 91-14)
COVER
(ORIGINAL PROPERTY LIMITS)
STORMWATER MANAGEMENT CALCULATIONS & DETAILS
P.O. BOX 1467
INSPECTIONS
CHARLOTTESVILLE, VA 22902
ARB
AWN/TY ESTATES, LLC (TMP 91-16C)
PLANNING
(PRIMARY LOCATION OF AMENDMENT)
DEPARTMENT OF FIRE RESCUE
P.O. BOX 1467
ALBEMARLE COUNTY SERVICE AUTHORITY
CHARLOTTESVILLE, VA 22902
DEVELOPER:
RIVERBEND MANAGEMENT COMPANY
HEALTH DEPARTMENT
CONTACT- ALAN TAYLOR
455 SECOND STREET SE, SUITE 400
CHARLOTTESVILLE, VA 22902
(434) 293- 7537
TAX MAP/PARCEL #
91-14, 91-16C AND 91-16E
MAGISTERIAL:
SCOTTSVILLE DISTRICT
AREA:
2.47 AC (TMP 91-16C) & 5.00ac. (TMP 91-16E)
ZONING:
AVINITY PRD - ZMA-2006-005 APPROVED JUNE 13, 2007
VARIATION REQUEST WAS APPROVED 3 26 10 FOR THE OL WI
Q / / F LO NG
VARIATIONS FROM THE APPROVED REZONING:
CHANGE IN THE MIXTURE OF UNITS TO 24 CONDO AND 100
TOWNHOUSE UNITS
• REMOVAL OF SYSTEMS OF RETAINING WALLS
• RE -ORIENTATION OF UNITS AND PRIVATE STREETS
LUV
• ADDITION OF A NEW ROAD
TMP 91-16C: PRD - ZMA-2013-016 APPROVED NOVEMBER EMBER 12 .2014
TMP 91-16E.• PRD - ZMA-2013-016 APPROVED NOVEMBER 12, 2014
USE.-
RESIDENTIAL
SETBACKS:
EXTERNAL SETBACKS ARE AS FOLLOWS 0 V
FOR APPROVED AV1NlTY FSP:
REAR= 20'
N
N
SIDE= 15'
FRONT= 25'
TMP 91-16C SETBACKS ARE AS FOLLOWS
FRONT= 10' MIN (WITH VARIATION SUBMITTED TO THE COUNTY)
�✓
SIDE= 5'
REAR= 10' MIN INTERIOR, 20' MIN WHERE LOTS ARE ADJACENT TO THE
PROJECT BOUNDARY
CLUBHOUSE/PAVILION - 8' MIN FRONT, 5' MIN SIDE, 10 MIN REAR
TOTAL NUMBER
OF UNI TS.-
THERE ARE NO PROPOSED UNITS MIN THIS WPO AMENDMENT, THOUGH
SWM AND ESC MEASURES HAVE ACCOUNTED FOR THE APPROVED
A WNI TY PLANS (107 TOWNHOUSE UNITS) AND FOR FUTURE
DEVELOPMENTS Wl THIN 91-16C, 91-16E & 91-16A.
WA TERSHED:
MOORE'S CREEK WA TERSHED
TOPO & SUR VEY.•
AVINITY DEVELOPMENT's PHYSICAL AND BOUNDARY.- THOMAS B.
LINCOLN LAND SURVEYOR INC, DATED 12/22/05.
W
TMP 91-16C's PHYSICAL AND BOUNDARY ROUDABUSH AND GALE,
DA TED 2/8/13
A WNI TY DEVEL OPMEN T's ASBUIL T SURVEY PERFORMED BY ROUDABUSH
GALE AND ASSOCIA TES IN MARCH OF 2012.
l
TMP 91-16C s ASBUILT SURVEY PERFORMED BY ROUDABUSH GALE AND
ASSOCIATES IN FEBRUARY OF 2012.
O
TMP 91-16A's TOPOGRAPHY PERFORMED BY ROUDABUSH GALE AND
ASSOCIATES IN AUGUST OF 2013,
DATUM:
NAD 83 SOUTH
BENCHMARK:
BENCHMARK IS SURVEY CONTROL POINT DT -14, NAIL WITH FLASHER
LOCA TED AT N3886228.20, AND E11482674.79, ELEVATION 574.16
EXISTING VEGETATION:
PROPERTY (TMP 91-16C) CONSISTS OF A RESIDENTIAL HOME AND LAND
THAT IS PARTIALLY CLEARED.
FLOODPLAIN:
THERE IS NO FLOODPLAIN LOCATED ON THIS SITE. FEMA MAP ID
5100JC0407D
_ LANDSCAPING:
LANDSCAPE IS IN ACCORDANCE WITH ALBEMARLE COUNTY ZONING
REGULATIONS 32.7.9 FOR THE APPROVED AVINITY TOWNHOUSE
DEVELOPMENT. NO LANDSCAPING IS PROPOSED OR REQUIRED FOR TMP
91-16C.
LL'GE.N
ALBEMARLE COUNTY, VIRGINIA
�EEEslAvous
SCALE: 1" = 100'
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ry
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9. i JI 1 l j rr� d \ t\t f \\ { I j j 1 ( f ) E \ I
1 SR. AND LAURA J: '\
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T
--ESATES, LLQ
1�t I--------------------------------,--------------tom--� -L- �--a-�--���-�-f�-t--� -->:. ;/i ;' ; � ZONE: PRD '; '� '� � ',
1 !
TMP 90-35D HYDRAULIC ', '� '' ---- - -
/ ' dy TMP 9 -1� }
SAND COMPANY, INC. D.B. t`., �`�, �'1, ` �;
mSCOTT I
P. 200 D.B. 781 P. 472 +----------
862ss ` S IL EI RD./ ! )
o / /' /�
PLAT1-1
1 / _
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'', IN , LSC
Zl0
-------------------
TMP 90-35B " -� � `f !+----------- ,� ,,
`
SOUTHSID - ( I
E CHURCH r l
\ OF GOD D.B. 839 P. 32 e
D.B. 755 P. 353 PLAT
•J
r'''''".s X/
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CURRENT OWNERS
AVON PROPERTIES
P.O. BOX 1467
CHARLOTTESVILLE, VA 22902
AVINITY ESTATES, LLC
P.O. BOX 1467
CHARLOTTESVILLE, VA 22902
EXIS77NG CULVERT EARTH DITCH
CUL VERT DRIVE WA Y CULVERT
0 DROP INLET & S7RUC7URE NO. BENCH MARK
CURB
CURB & GUTTER - - - - - - - - - CLEARING LIMITS
PROPOSED PAVEMENT VDOT STANDARD STOP SIGN
EC -3A DITCH -------------200------------- EXISTING CONTOUR
6" DEPTH OF EC -3A DITCH 20o PROPOSED CONTOUR
EC -2 DiTCH 240'55 PROPOSED SPOT ELEVA77ON
TBC DEN07ES TOP/BACK OF CURB
6" DEPTH OF EC -2 DITCH TIB DENOTES TOP OF BOX
Is
RIVERBEND MANAGEMENT COMPANY
455 SECON —D STREET SE, SUITE 400
CHARLOTTESVILLE, VA 22902
434,29'43", 7537
6
J�
10 RMHMOND Q. 64
INTERS�A��
PIEDMONT
VIRGINIA
COMMUNITY
COLLEGE
SOUTHERN PARKWAY
MILL CREEK
MON77CELLO HIGH
LAKE REYNOVL4 0 SCHOOL
61
fCALF ELEMENTARY
SCHOOL
\ THIS
MILL CREEK pj�PROJECT20
SOUTH
VICINITY MAP
SCALE: I" = 2,000'
Sheet List Table
Sheet Number
Sheet Title
1
COVER
2
STORMWATER MANAGEMENT CALCULATIONS & DETAILS
COLLINS ENGINEERING
200 GARRETT STREET, SUITE K
CHARLOTTESVILLE, VA 22902
434,293.3719
APPROVED
by the Albemarle County
Community Development Department
Date 4-I
File WPO 13Cod 4'f—
APPROVALS
DATE
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNER/ ZONING
ENGINEER
INSPECTIONS
ARB
PLANNING
DEPARTMENT OF FIRE RESCUE
ALBEMARLE COUNTY SERVICE AUTHORITY
VIRGINIA DEPARTMENT OF TRANSPORTATION
HEALTH DEPARTMENT
TH
SCOTT R COLLINS�
( No. 35791 ,�
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NOTE.
TRASH RACKS SHALL BE INSTALLED ON ALL
ORIFICES IN ACCORDANCE w/ THE DETAILS
0+75+00 1+50 2+00 2+50
. 3+00 3+50 4+OCA +2F
FIGURE 3.41 - 1a f . ' f ( (� i s ' rf4} P L T --STAGE
I
Hanma„ •eneans LtnbaflKments ry/Seepuhe Cantrols
✓Homogeneous fill
X ruin I
IX
Cutoff trench -e below suitable (
material
Soil or rock L --_----...---J
TYPICAL HOMOGENEOUS
EMBANKMENT
Transition fill
,-Rock or gravel
Pipe octlet•Coormc Ttg
oroun s o s
Perforated collector - Foundation drain Blanket drain
FOUNDATION DRAIN BLANKET DRAIN
' � drain
Swii
1, mel or ruck
Mtn Met
Rock or gravel
Rock drain
Transition filter i Transition filter
CHIMNEY DRAIN TOE DRAIN
c.�3 91-ta
rVL ETAML Y SPACED AVINITY ESTATES, LLC
� owlWiM M 1=111 AN .6 z, 9 Ifir
RETENTION BASIN DETAIL
y, 4 / ✓
516 20,192 148,716
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PO Bou 43ftW ndiesm. VA Z2,604
iOVJ SERIES
S'ETRASHRACK
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a: i�Ltprtiv��w.Pl�s sd:Iktiti.+�tra � IW,
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CONCRETE MANHOLE {5n7)a222svfax .;,,',,,rF,'10,
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DIMENSIONS IN INCHES
. s • �, � j j ,o j
MASTIC
f Ir
1 -
a i M1 c oz�e riorr
RE k4C34.&.[ILE FOR - - -
- - - - - - - - - - -
.q.CGE55 : \ /
xw' / `' 1 / tb' WIDE G DED
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'" /w/ SLOPS d0% TO
} 1 /
.. �. ! \ � b�ROYIDE AT)DRn TAFTi�Y � /TMP a
AVINITY I- POND RISER
SCALE: i"=5' M & s"=5o' (H)
Dim 9
RISER RIM ELEV: 513.55'
Win ID
StfUWN UN It-ttJ bt7tt 4 UK tUUIVALtN1.
RS -24 17 Ya
W
ORIFICES TO BE SPACED
a
EVENLY ALONG THE 510'
z .-.
HORIZONTAL PLANE
44---i
36
43
F6-48 27 Y,
- �7
rr
Ly
FIVE Pis" ORIFICES
D v
w/ TRASHiRACKS,
a
520
m
VBDN
Viburnum Dentatum
"
RCR M1
LXL--STAX-R1S0?
Phu-,
16
HVI
Hamamelis Vir iniana `
Common Witchhazel
D�6
6'
520
30
10
YEAR
Seed mix_ 50%Agrostis
Autumn Bentgrass & Red
ELEV
513 5�5'. FI
05"
Perennans, 50%
10' WIDE
TOP
OF DA
1160 sf
W. S E. =
14.97'
Festuca Rubra
LOW -FL
W ORI
CES A T ELEV.
10.0'
!
U
ELEV.
- 516.1,
�
z
10
YEAR
0
W
57
I
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0
Q
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7
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YEAR
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TORMRA.
( IRA S14RACK,
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LINED
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515
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0
EQUIVELENT
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tV
Lj
SPILL
AY AT
LEV.=
515
w
LU
a
W
306 NO.
514.5
092033
SCALE
-..
AS SHOWN
SHEET NO.
2
PROPO
ED
GRADE
MAX.
MBANK
ENT
HT.=110'
(516--506)
ORIFI
. COE = 0.6
510
MwsE=
10. o'
,
510
1
' WIDEWU-ATICI
SAF
BENCH .�
}
h
3 TTOM OF
EFORE
YA
04
Z
1N. RE
VIRED OV
l
(4x)-
8,6040
505
WQ
PRDVt
ED=48,667cf
#
rjQrj
BOTT6MF
OF RE7EN770IIBASIN
ELEV.
= 504
20'
500
°�
500
MIN. 8
WIDE 90
TOP
12' DEP
IMP
RVIOUS CORE
261'
CUTOFFTRE
DETAIL
N THISSHEET
CH WITH
1:1 M
FOR ADbITIONAL
SIDE
SLOPES. SEE
INFORMATION.
VDOT
STD. EPI
-1
01
BA
EEP CONCRETE
EMBEDDED
FOR
(4)
'x6' STEEL
495
6'�
II w/RISER
INTO
NCRE (MIN.)
AN77-SEE1
COLLA
'S495.
30"
CL.. 1/l R
P BAR
L
9
25 LF
@ 8.4 o
L
( IN
. IN=
502.00'
492
/NVI
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Ln4
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. 3+00 3+50 4+OCA +2F
FIGURE 3.41 - 1a f . ' f ( (� i s ' rf4} P L T --STAGE
I
Hanma„ •eneans LtnbaflKments ry/Seepuhe Cantrols
✓Homogeneous fill
X ruin I
IX
Cutoff trench -e below suitable (
material
Soil or rock L --_----...---J
TYPICAL HOMOGENEOUS
EMBANKMENT
Transition fill
,-Rock or gravel
Pipe octlet•Coormc Ttg
oroun s o s
Perforated collector - Foundation drain Blanket drain
FOUNDATION DRAIN BLANKET DRAIN
' � drain
Swii
1, mel or ruck
Mtn Met
Rock or gravel
Rock drain
Transition filter i Transition filter
CHIMNEY DRAIN TOE DRAIN
c.�3 91-ta
rVL ETAML Y SPACED AVINITY ESTATES, LLC
� owlWiM M 1=111 AN .6 z, 9 Ifir
RETENTION BASIN DETAIL
y, 4 / ✓
516 20,192 148,716
� `jj ( ��y � ,.b.<. .:e.,,",� it�..4a., yi^ ..• / h�n\•,, t ,r���+.., ...ri` ,✓ °"'.. . ✓'
1 /
b
1
rat a
,
r
, 4r
{^ ✓+. "q /
✓ � f
L K
Sl RO
/ fIL
E !
AL
GN
p r,.
T
,
,
Stormftrnyc PlasticSolutions.o % d ' r,
PO Bou 43ftW ndiesm. VA Z2,604
iOVJ SERIES
S'ETRASHRACK
M,W.Val ZZM- • � � - - - - - ✓- - - - -
a: i�Ltprtiv��w.Pl�s sd:Iktiti.+�tra � IW,
1,877) 1,877(77.572a hAC .,;
CONCRETE MANHOLE {5n7)a222svfax .;,,',,,rF,'10,
rr +J°"" �*.',l•.,�,,.rr,f✓ .�wr ",?�. , t rf,,•r'.�iy�^y,t.,r ,5..kc;�,; r'1P`� r',-�'":r"�d+;?„.;:`,.',,,y,�.,�x, • ` \'*`.ir,^,,r", �q',`',', '"<.. :+ . )b}rr{.. ,.•b}bC �\,,.. .'•";,%,.^'�,.STANDARD 60 INCH RACK S14OWr,� :':y'�,`. ,"�4,.,'',!.:s,"..+:.•:.,�ir. S",v, ,. � f.`. r�a4t.,`M,✓.��r"'�,,:�„;:r..,1';� ✓rr �'}�. '}v�'b ��, ii„r`,5.`.�'�,l,,o r.,"„,r. ',, ,
r}'• .�t'\"r�' /
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:/IR _ .:✓^, . 40s. b..,.t`� o" „„a +, ti.\.c ,r.<•:rs x" vt t1 ?`",Y. °` �,, - gt-�:,.,.,,. ✓''. /
DIMENSIONS IN INCHES
. s • �, � j j ,o j
MASTIC
f Ir
1 -
a i M1 c oz�e riorr
RE k4C34.&.[ILE FOR - - -
- - - - - - - - - - -
.q.CGE55 : \ /
xw' / `' 1 / tb' WIDE G DED
/ j Ef4RTHEN SW,M ACCESS j / ✓ / /
'" /w/ SLOPS d0% TO
} 1 /
.. �. ! \ � b�ROYIDE AT)DRn TAFTi�Y � /TMP a
AVINITY I- POND RISER
SCALE: i"=5' M & s"=5o' (H)
Dim 9
RISER RIM ELEV: 513.55'
Win ID
w/TRASHRACK
RS -24 17 Ya
W
ORIFICES TO BE SPACED
a
EVENLY ALONG THE 510'
z .-.
HORIZONTAL PLANE
44---i
36
43
F6-48 27 Y,
- �7
rr
Ly
FIVE Pis" ORIFICES
D v
w/ TRASHiRACKS,
a
INV.=5ao.00'
m
VBDN
Viburnum Dentatum
A1rrowwood Viburnum
030" CL. III RCP INVERT OUT=502.00'
TO PREVENT FLOTATION THE RISER BASE AND BARREL
CONNECTION SHALL BE FIRMLY EMBEDDED 6" INTO A 24"
THICK REINFORCED CONCRETE FOUNDATION THAT IS 5'X35'
& BURIED OUTSIDE THE LIMITS OF THE POOLED WATER
STORMWATER (MANAGEMENT NARRATIVE:
5tcrmRaXTm Round Series for Concrete Manhole
Part No. Dim A
Dim 9
DIm C
Win ID
Mi n t3D
RS -24 17 Ya
L4
I!3
24
30
i 5-36 - 21
14
44---i
36
43
F6-48 27 Y,
- �7
t$
IS
54
I 48
57
7
PER A
PPROVEDP
W O LETTER OF REVISION:
DRAINAGE AREA (sA & iB) TO POND = 35.37 AC.
CN TO POND (AVINITY I PHASES I-IV) = 6i.9
Tc (UNCHANGED FROM APPROVED) = 0.42 hrs.
Arnended DA #1 Watershed Summary
(2 -Year Flow)
Total= 9.42 cfs 4.74 cfs
Amended DA #1 Watershed Summary
(10 -Year Flow)
Pre -Development
Post -Development
#1A
3.45 cfs
1 ft -Year
L.
E
an
4.74 cfs
A. #1 B
5.97 cfs
rn
J
a
Total= 9.42 cfs 4.74 cfs
Amended DA #1 Watershed Summary
(10 -Year Flow)
Total= 39.91 cfs 37.20 cfs
v, 1L✓II v I i%v v Ivy✓ c.f,X rvi % I L_I% t,cv"L_I.I I v vLvIVIL_ II A L/\%-LJJ VI 1\Lt1Vl1\LIVILIN I J. 1 1 IL
.:. ' .- ..,......w. WATER QUALITY REQUIREMENT CALCULATION USES THE APPROVED IMPERVIOUS AREA
NOTE:NOTES: -/j✓ - f / l j �r ✓ Ix FEET) FROM AVINITY I zzo SF),AND THE ADDITIONAL AREA CREATED WITH THE PHASE IV
1. ALL PROPOSED SLOPES STEEPER THAN 3:1 1. ALL FILL TO BE PLACED AT 95% COMPACTION. ` t ! {`` / f% 1 inch 20 ft. �, ----`" TOWNHOME AND ROADWAY REVISIONS 11 250 SF),WHICH WERE APPROVED WITH
SHALL HAVE A LOW MAINTENANCE GROUND 2. MINIMUM 3' OF COVER MUST BE MAINTAINED OVER
J COVER FOR STABILIZATION PURPOSES. W/L&S/L. l t
THESE AREAS SHALL NOT BE PLANTED WITH 3• MINIMUM OFI'OFVERTICAL SEPARATION FROM of 1 0 SDP -2015-00026 AND QUANTIFIED IN THE AVINITY I WPO LETTER OF REVISION.
GRASS COVER FOR STABILIZATION &SHALL STORM SEWER& W/L AND 1.5'OF SEPARATION j
BETWEEN W/L & SANITARY SEWER MUST BE ! % AQUATIC BENCH LANDSICAPING
tt BE A GROUND COVER CHOSEN FROM TABLE PROVIDED: 111
3.37COFTHEVESCH. 4• ALL ROADWAY EMBANKMENT MATERIAL SHALL
2. ALL DRAINAGE EASEMENTS ARE 20 THE PROPOSED► AVINITY I DEV O
J CONSIST PREDOMINATELY OF SOIL AND BE PLACED IN
1 WIDE /
SUCCESSIVE UNIFORM LAYERS NOT MORE THAN 8
UNLESS OTHERWISE NOTED.
INCHES IN THICKNESS BEFORE COMPACTION OVER
3. EMBANKMENT TOP OF DAM WIDTH SHALL BE THE ENTIRE ROADBED AREA IN ACCORDANCE WITH /
r 1o' M I N I M U M VDOT 2007 ROAD AND BRIDGE SPECIFICATION 303.04
5. CONTRACTOR SHALL FIELD VERIFY ALL EXISTING / ✓
ELEVATIONS OF STORM SEWER, SANITARY SEWER &
WATER LINE PRIOR TO CONSTRUCTION. NOTIFY THE I f!
ENGINEER OF ANY DISCREPANCIES SO THAT THE
ELEVATIONS OF THE TIE-IN CONNECTIONS CAN BE i
ADJUSTED ACCORDINGLY.
�- 6. 1o' OF HORIZONTAL SEPARATION SHALL BE d ti f f ✓ %
Abb.
Pre -Development
Post -Development
D.A. #1A
13.37 cfs
1 ft -Year
Total
FQuant!
E
an
37.20 cfs
D.A. #1 B
26.54 cfs
rn
J
a
Total= 39.91 cfs 37.20 cfs
v, 1L✓II v I i%v v Ivy✓ c.f,X rvi % I L_I% t,cv"L_I.I I v vLvIVIL_ II A L/\%-LJJ VI 1\Lt1Vl1\LIVILIN I J. 1 1 IL
.:. ' .- ..,......w. WATER QUALITY REQUIREMENT CALCULATION USES THE APPROVED IMPERVIOUS AREA
NOTE:NOTES: -/j✓ - f / l j �r ✓ Ix FEET) FROM AVINITY I zzo SF),AND THE ADDITIONAL AREA CREATED WITH THE PHASE IV
1. ALL PROPOSED SLOPES STEEPER THAN 3:1 1. ALL FILL TO BE PLACED AT 95% COMPACTION. ` t ! {`` / f% 1 inch 20 ft. �, ----`" TOWNHOME AND ROADWAY REVISIONS 11 250 SF),WHICH WERE APPROVED WITH
SHALL HAVE A LOW MAINTENANCE GROUND 2. MINIMUM 3' OF COVER MUST BE MAINTAINED OVER
J COVER FOR STABILIZATION PURPOSES. W/L&S/L. l t
THESE AREAS SHALL NOT BE PLANTED WITH 3• MINIMUM OFI'OFVERTICAL SEPARATION FROM of 1 0 SDP -2015-00026 AND QUANTIFIED IN THE AVINITY I WPO LETTER OF REVISION.
GRASS COVER FOR STABILIZATION &SHALL STORM SEWER& W/L AND 1.5'OF SEPARATION j
BETWEEN W/L & SANITARY SEWER MUST BE ! % AQUATIC BENCH LANDSICAPING
tt BE A GROUND COVER CHOSEN FROM TABLE PROVIDED: 111
3.37COFTHEVESCH. 4• ALL ROADWAY EMBANKMENT MATERIAL SHALL
2. ALL DRAINAGE EASEMENTS ARE 20 THE PROPOSED► AVINITY I DEV O
J CONSIST PREDOMINATELY OF SOIL AND BE PLACED IN
1 WIDE /
SUCCESSIVE UNIFORM LAYERS NOT MORE THAN 8
UNLESS OTHERWISE NOTED.
INCHES IN THICKNESS BEFORE COMPACTION OVER
3. EMBANKMENT TOP OF DAM WIDTH SHALL BE THE ENTIRE ROADBED AREA IN ACCORDANCE WITH /
r 1o' M I N I M U M VDOT 2007 ROAD AND BRIDGE SPECIFICATION 303.04
5. CONTRACTOR SHALL FIELD VERIFY ALL EXISTING / ✓
ELEVATIONS OF STORM SEWER, SANITARY SEWER &
WATER LINE PRIOR TO CONSTRUCTION. NOTIFY THE I f!
ENGINEER OF ANY DISCREPANCIES SO THAT THE
ELEVATIONS OF THE TIE-IN CONNECTIONS CAN BE i
ADJUSTED ACCORDINGLY.
�- 6. 1o' OF HORIZONTAL SEPARATION SHALL BE d ti f f ✓ %
Abb.
Scientific Name
Common Name
Caliper
Size
1 ft -Year
Total
FQuant!
E
an
M
o
z
o
rn
J
a
Cane
Cama
A uatic Bench Landscaping
~'
CA
Clethra ainifolia
Hummingbird SummersWeet
2`
16
24
384
VBDN
Viburnum Dentatum
A1rrowwood Viburnum
O
3'-4'
31
16
49+6
HVI
Hamamelis Vir iniana `
Common Witchhazel
D�6
6'
113
30
3390
APIFR
Seed mix_ 50%Agrostis
Autumn Bentgrass & Red
seed per
O
Perennans, 50%
Fescue
manufacturers
LLJ
1160 sf
l/Z)
V
Festuca Rubra
recommendations
0
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I EL PMENT AND APPROVED SDP -2015-00026 AVINITY
PHASE IV PLANS SEPARATE THE AVINITY II DEVELOPMENT FLOW FROM THIS NEW AVINITY
I RETENTION BASIN. ROUTING CALCULATIONS ARE PROVIDED WITH THIS WPO
AMENDMENT WHICH DEMONSTRATE THAT THE PROPOSED RETENTION BASIN POND
RELEASES POST -DEVELOPMENT FLOWS LESS THAN THE PRE -DEVELOPMENT CONDITION.
SEE SUMMARY CHART ABOVE.
f MAINTAIN ED BETWEEN THE OUTSIDE OF THE RETENTION BASIN TYPE III AQUATIC BENCH PLANTINGS.
SANITARY SEWER AND WATER LINE.
( �`- .. •: ' :, `r•• .,.• •; SEED MIX FOR AUTUMN BEN TGRASS & RED FESCUE
TH 07,
SCOTT R. COLLINStZ
No. 35791 ,�hl
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306 NO.
092033
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