HomeMy WebLinkAbout83-1760 - Drainage Improvements003"AS BUILT"
18" HDPE CULVERT
INV. EL.
RE—STACKED GROIN
"AS BUILT" TRAP ROCK TOP EL. O.Si
MHW EL 2.3
CRUSHED STONE BANK AND CHANNEL
SHOULDER SCOUR PROTECTION 0.0 NGVD29,
SEE DETAIL ML EL –1.4
—� — — _ EXISTING SEABED
"AS BUILT" ROAD
PAVEMENT "AS BUILT" 18" HDPE
PIPE WITH FLARED END
4;
SECTION INV. EL –1.0
CULVERT OUTLET AT LEWIS BAY
i or
SEE DETAIL 1 Sash = 10 ft
s.8
T = o
1.46
t i^x 36
.15
E—PLANTED X,. •� c� 4l
SALT MARSH
SEE DETAIL o
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5Z
AS BUILT" 18
HDPE CULVERT
INV. EL —2.0S�
SEE DETAIL
w
a
LEGEND
PROPERTY LINE
EXISTING CONTOUR
EDGE OF SALT MARSH
C,it
RESTORED
DUNE
(K
•,fid � �.
AS BUILT" STONE GROIN
PIPE COVER
SEE DETAIL
MEAN NIGH WATER/HIGH TIDE LINE GRAPHIC SCALE
m 0 i0 m z0
X1.74 SPOT GRADES 6/21/07 SURVEY
(INS)
1 inch = 20 fG
0.0 NGVD29
"AS BUILT" 18" HDPE
CULVERT
ROCK SCOUR INV. EL. —1.0
EXISTING MARSH
SURFACE
FLARED END SECTION
CULVERT INLET AT NORTH SIDE OF SHORE ROAD
I inch = 10 fk
REPLANTED SALT
MARSH SOD
"AS BUILT" - AS–BUILT"
EL. 2.8 Et 2.7' EXISTING
MARSH EL.
EXISTING 2.5
MARSH
RESTORED SALT MARSH CROSS SECTION
1 inch — 10 ft