HomeMy WebLinkAboutRS_Flood_1995_FIRM_180330_v10
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ELEVATION REFERENCE MARKS
REFERENCE ELEVATION
MARK (FEET
NGVD) DESCRIPTION OF LOCATION
RM330 30.60
A chiseled square in southeast
corner of the southerly walk
wingwall on the Fort Dent Bridge
over Green River, I feet east of
centerline of sidewalk, 7 feet
north of concrete light pole.
Established by CH2M HILL, Inc.
RM331 33.51
A chiseled square in angle point on
the northeast wingwall of the
concrete Interurban Avenue bridge
over Green River in Tukwila.
Established by CH2M HILL, Inc.
R M 3 3 3 25.01
A nail in the top of the northeast
wingwall of the 1-405 Bridge over
Black River.
RM334 11.95
A railroad spike on the east face
of a large power pole 30 feet west
of centerline of Black River, 50
feet south of the centerline of
16th Street. Established by CH2M
HILL, Inc.
RM335 28.34
A chiseled square on the highest
point of a large rock on northerly
side of bike path at the northwest
of Christensen Green Belt Park in
Tukwila, 120 feet south of the
Strander Boulevard Bridge over
Green River. Established by CH2M
HILL, Inc.
RM336 31.96
PK nail and shiner set in southwest
corner of wood wingwall on the
street railroad bridge over Green
River, 0.30 mile south along the
river from the S t r a n d e r B a u I e v a r d
Bridge over Green River.
RM337 27.09
A 60-d spike in southwesterly face
of 48 -inch cottonwood tree on left
bank of Green River 100 feet from
northeasterly corner of large
concrete building, 25 feet east of
bike path north side of pond, 3,200
feet north along left bank from
South 180th Street -SW 43rd Street.
Established by CH2M HILL, Inc.
R M 3 3 8 12.30
Railroad spike 3.3 feet up south
face 27th Street; first power pole
on north side SW 27th Street; first
power pole east of Springbrook
Creek. Established by City of
Renton Public Works Department.
RM339 21.79
Chiseled square on top of concrete
curb on east side of driveway to
house number 1516 on SW 43rd
Street, 51.5 feet south of north
end of concrete curb and 29.5 feet
south of south face of house.
Established by City of Renton
Public Works Department.
RM340 32.49
A chiseled "+" in top southwesterly
bolt at southwest corner of wood
arch footbridge over Green River,
7.5 feet west of centerline bridge
deck, 1,200 feet south of South
180th Street - SW 43rd Street, 600
feet west of SR 181. Established
by CH2M HILL, Inc.
RM347 22.24
The north bolt of the fire hydrant
which is 50 feet east of Reliable
Distributor, Inc., building and 100
feetsouth of South 180th Street.
Established by U.S. Geological
Survey.
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JOINS PANEL 0986
4709615"
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[111SRI
BYECIAL
100-YEARODOODARD AREAS INUNu,altu
ZONE A No hase flood elevations determined.
ZONE AE Base flood elevations determined.
ZONE AH Flood depths of 1 to 3 feet (usually areas
of ponding); base flood elevations
determined.
ZONE AO Flood depths of 1 to 3 feet lusually sheet
flaw on sloping terrain); average depths
determined. For areas of alluvial fan flooding,
velocities also determined.
ZONE A99 To be protected from 100 -year flood by
Federal flood protection system under
construction: no base elevations determined.
ZONE V Coastal flood with velocity hazard (wave
action); no base flood elevations determined.
ZONE VE Coastal flood with velocity hazard (.wave
action); base flood elevations determined.
<xF .. :• FLOODWAY AREAS IN ZONE AE
(� OTHER FLOOD AREAS
�( ZONE X Areas of 500 -year flood; areas of 100 -year
flood with average depths of less than
1 foot or with drainage areas less than
1 square mile; and areas protected by
levees from "100 -year flood.
OTHER AREAS
ZONE X Areas determined to be outside 500 --year
floodplain.
ZONE D Areas in which flood hazards are
undetermined.
UNDEVELOPED COASTAL BARRIERS
] \ \ �\
k
Identified Identified Otherwise
1983 1990 Protected Areas
Coastal barrier areas are normally located within or adjacent to Special
Flood Hazard Areas.
Flood Boundary
Floodway Boundary
Zone D Boundary
Boundary Dividing Special Flood
00
r� t` Hazard Zones, and Boundary
kwon
Dividing Areas of Different
Coastal Base Flood Elevations
Within Special Flood Hazard
Zones.
Base Flood Elevation Line:
513 Elevation in Feet. See Map Index
for Elevation Datum.
— Cross Section Line
Base Flood Elevation in Feet
(EL 987) Where Uniform Within Zone.
RM7 X See Map Index for Elevation Datum.
Elevation Reference Mark
0 M2 River Mile
Horizontal Coordinates Based on North
97007'30", 32022'30" American Datum of 1927 {NAD 27)
Projection.
NOTES
This map is for use in administering the National Flood Insurance Program;
it does not necessarily identify all areas subject to flooding, particularly from
local drainage sources of small size, or all planimetric features outside
Special Flood Hazard Areas.
Coastal base flood elevations apply only landward of 0.0 NGVD, and include
the effects of wave action; these elevations may also differ significantly
from those developed by the National Weather Service for hurricane
evacuation planning.
Areas of Special Flood Hazard (100 -year flood) include Zones A. AE, AH, A0,
A99, V, and VE.
Certain areas not in Special Flood Hazard Areas may be protected by
flood control structures.
Boundaries of the floodways were computed at cross sections and
interpolated between cross sections. The floodways were based on
hydraulic considerations with regard to requirements of the Federal
Emergency Management Agency.
Floodway widths in some areas may be too narrow to show to scale.
Floodway widths are provided in the Flood Insurance Study Report.
This map may incorporate approximate boundaries of Coastal Barrier
Resource System Units and /or Otherwise Protected Areas established
under the Coastal Barrier Improvement Act of 1990 (PL 101-591).
Corporate limits shown are current as of the date of this map. The user
should contact appropriate community officials to determine if corporate
limits have changed subsequent to the issuance of this map.
For community map revision history prior to countywide mapping, see
Section 6.0 of the Flood Insurance Study Report.
For adjoining map panels and base map source see separately printed
Map Index.
MAP REPOSITORY
Refer to Repository Listing on Map Index
EFFECTIVE DATE OF
COUNTYWIDE FLOOD INSURANCE RATE MAP:
SEPTEMBER 29,1989
EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL:
Revised May 16, 1995 to update map format.
To determine if flood insurance is available, contact an insurance agent or
call the National Flood Insurance Program at (800) 638-6620.
4
APPROXIMATE SCALE IN FEET
500 0 500
NATIONAL FLOOD INSURANCE PROGRAM
FIRM
FLOOD INSURANCE RATE MAP
PANEL 978 OF 1725
(SEE MAP INDEX FOR PANELS NOT PRINTED)
CONTAINS:
COMMUNITY
KENT, CITY OF
RENTON, CITY OF
TUKWILA, CITY OF
NUMBER PANEL SUFFIX
530080 0978 F
530068 0978 F
530091 0978 F
MAP NUMBER
53033CO978 F
MAP REVISED:
MAY 16,1995
Federal Emergency Management Agency J