2016-11-18_Greenway Village_BMP #1 Detail - Level Spreader Revision.pdf

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FOREBAY/I \
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SHALLOW
WATER
DEEP POOL
SHALLOW
LAND
BMP#1 - LEVEL SPREADER & ENGINEERED
FILTER STRIP - lit =1 O'
OEM 1
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INV 304.95
RIPRAP DISSIPATOR
BOTTOM OF FOREBAY
EL. = 303.45
FOREBAY
8" TOPSOIL
Designer
WR
Scale
111=10'
Drawn By
Date
RC
11/18/16
Checked By
Job No.
HF
02130086.00
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SHALLOW SHALLOW
LAND WATER
FOREBAY [18"-30" BELOW NORMAL POOL] (14%) +/- 29 SF
DEEP POOL [18"-30" BELOW NORMAL POOL] (8%) +/- 74 SF
SHALLOW WATER [3-6" BELOW NORMAL POOL] (38%) +/- 395 SF
SHALLOW LAND [0-3" BELOW NORMAL POOL] (40%) +/- 476 SF
NOTES:
TRANSITION FROM DEEP POOL TO SHALLOW WATER SHALL HAVE A
MAXIMUM SLOPE OF 1.5:1.
SURFACE AREA AT TEMP. WATER QUALITY = XXX
SHALLOW LAND PLANTING TABULATIONS
1. HERBACEOUS PLANTS PROPOSED FOR 80% OF SHALLOW LAND AREA (381 S.F.)
50 PLANTS/200 S.F. = 96 PLANTS REQUIRED
2. SHRUBS PROPOSED FOR 20% OF SHALLOW LAND AREA (95 S.F.)
8 SHRUBS1200 S.F. = 4 SHRUBS REQUIRED
SHALLOW WATER (3-6" BELOW NORMAL POOL)
= 395 S.F.
50 HERB. PLANTS / 200 S.F.
= 99 PLANTS
PLANT TYPE
QTY
KEY BOTANICAL NAME
COMMON NAME
ROOT
CALIPER
HEIGHT NOTES
9
Acorus calamus 'Variegata'
Variegated Sweet Flag
CONT.
4" Pot
24" O.C.
9
Peltandra virginica
Arrow arum
CONT.
4" Pot
24" O.C.
HERBACEOUS
29
Pontedaria cordata
Pickerelweed
CONT.
4" Pot
24" O.C.
HERBACEOUS
9
Sagittaria latifolia
Broadleaf Arrowhead
CONT.
4" Pot
24" O.C.
19
Saururus cernuus
Lizard's tail
CONT.
4" Pot
24" O.C.
24
Schoenoplectus tabernaemontani
Softstem Bulrush
CONT.
4" Pot
24" O.C.
SHALLOW LAND (0-3"
BELOW NORMAL POOL)
= 476 S.F.
SEE NOTE FOR PLANT CALCULATIONS
PLANT TYPE
QTY KEY
BOTANICAL NAME
COMMON NAME
ROOT
CALIPER HEIGHT
NOTES
9
Asclepias incarnata
Swamp Milkweed
CONT.
4" Pot
24" O.C.
13
Carex stricta
Tussock Sedge
CONT.
4" Pot
24" O.C.
14
Eupatorium purpureum
Joe-pye weed
CONT.
4" Pot
24" O.C.
HERBACEOUS
9
Hibiscus moscheutos
Rose Mallow
CONT.
4" Pot
24" O.C.
13
Iris versicolor
Northern Blue Flag Iris
CONT.
4" Pot
24" O.C.
19
Juncus effusus
Soft Rush
CONT.
4" Pot
24" O.C.
19
Lobelia cardinalis
Cardinal Flower
CONT.
4" Pot
24" O.C.
SHRUBS
2
Aronia arbutifolia
Red Chokeberry
CONT.
3 Gal.
5' O.C.
2
Cephalanthus occidentalis
Buttonbush
CONT.
3 Gal.
5' O.C.
AVG. DEPTH
4 — 6"
STORMWATER WETLAND SECTION
NTS
DEEP
POOL
LIMITS OF
PLANTING 5'
W
+/— 306 I I D
m
EXISTING GRADE \ N
TO REMAIN I I W
GREENWAY VILLAGE AT LAKE BOONE
City of Raleigh Wake County North Carolina
EXISTING GRADE
BMP #1 DETAILS
GRAPHIC SCALE
50 0 25 50 100
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WITHERS & RAVEN EL
ENGINEERS I PLANNERS I SURVEYORS
111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] www.withersravenel.com License No. C-0832
Sheet No.
C1.0