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ELEVATION REFERENCE MARKS
REFERENCE ELEVATION
MARK IFEET
NGVD) DESCRIPTION OF LOCATION
RM277 25.71
Chiseled square in the northwest
corner of the northwest wingwall on
the Boeing access bridge over Cedar
River, 0.32 mile north of the Logan
Avenue South bridge over the Cedar
River. City of Renton benchmark.
RM278 37.01
Standard disk set in top of the
northwesterly corner of Logan
Avenue South bridge guardrail over
Cedar River. NGS benchmark.
RM279 40.98
Standard disk set in the northeast
corner of Bronson Way North bridge
over Cedar River. NGS benchmark.
RM280 37.54
A 60-d spike in the west face of
power pole at the southwest corner
of the Stoneway Concrete Company
property on the right side of the
Cedar River. Established by CH2M
HILL, Inc.
RM281 40.53
Top of northwest corner of sidewalk
at unit number 96 of the Riviera
Motel. Established by the City of
Renton Public Works Department.
RM284 26.64
A chiseled "+" on top of the most
northerly of two bolts on the west
side of a 4 -foot -diameter steel
powerline tower 300 feet west of
No. 1 Renton Place Building, 20
feet north of unnamed creek, 250
feet east of the Renton Cinemas in
Renton Village Place. Established
by CH21A HILL, Int.
RM285 28.57
Top bolt on the south leg of
powerline tower, 300 feet north of
the No. 3 Renton Place Building in
South Renton Village Place. The
tower is 200 feet west of the
southwest corner of South Grady Way
and SR 515.
RM328 20.04
Standard disk set in southeast
corner of the concrete step slab at
FAA Transmitter Building at north
end of airplane hangars at the
Re'nt'on`Airpor't. NGS benchmark;
122°13'07"
4730'00"
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47028'07"
122°13'07"
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JOINS PANEL 0664
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122011'15"
47x30'00"
JOINS PANEL 0979
SPECIAL FLOOD HAZARD AREAS INUNDATED
BY 100 -YEAR FLOOD
ZONE A No base flood ele• aliom determined.
ZONE AE Base flood elevations determined.
ZONE AH Floud depths of 1 to 3 feet (usually areas
of ponding); base flood elevations
determined.
ZONE AO Flood depths of 1 to 3 feet Casually sheet
flow on sloping terrain); average depths
determined. For areas of alluvial fan flooding,
velocities also determined.
ZONE A99 To be protected from 104 -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.
y 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
Z
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
,. ,v_ Boundary Dividing Special Flood
ME
Hazard Zones, and Boundary
,' e• ` m�is 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.
vv Cross Section Line
Base Flood Elevation in Feet
(EL 987) Where Uniform Within Zone.
See Map Index for Elevation Datum.
RM7 X 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, AO,
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 for Otherwise Protected Areas established
under the Coastal Barrier Improvement Act of 1990 (PL 101-591).
oCorporate limits shown are current as of the date of this map. The user
should contact appropriate community officials to determine if corporate
Z limits have changed,;, subsequent to the issuance of this map.
For community map revision history prior to countywide mapping, see
rn Section 6.0 of the Flood Insurance Study Report.
z
For adjoining map panels and base map source see separately printed
Map Index.
47028'07"
122011'15"
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.
IBJ
APPROXIMATE SCALE IN FEET
500 0 500
NATIONAL FLOOD INSURANCE PROGRAM
FIRM
F100D INSURANCE RATE MSP
r
PANEL 977 OF 1725
(SEE MAP INDEX FOR PANELS NOT PRINTED)
CONTAINS:
COMMUNITY
KING COUNTY,
UNINCORPORATED AREAS
RENTON. CITY OF
NUMBER PANEL SUFFIX
530071 0977 F
530088 0977 F
MAP NUMBER
53033CO977
if r
Federal Emergency Management Agency J