HomeMy WebLinkAbout3232Ordinance No. 3232
(Amending or Repealing Ordinances)
CFN=119 — Flood Control & Watershed Control
Passed — 6/20/1995
Areas of Special Flood Hazards
Amending Secs. 14.09.060 and 14.09.180
Amended by Ord. 3746 (Sec. 14.09.170 formerly 14.09.180)
Amended by Ord. 3909
AN ORDINANCE of the City Council of the City of
Kent, Washington, amending Kent City Code Section 14.09.060
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and 14.09.180(4) (KCC Ordinance No.2867 as amended by
oZg Ordinance 3228) relating to areas of special flood hazards.
WHEREAS, the Kent City Council has adopted floodplain guidelines and maps
established by the Federal Emergency Management Agency ("FEMA"); and
WHEREAS, the floodplain maps have been updated by FEMA through a
revised flood insurance study and, therefore, the city code should be amended to incorporate
the updated study and maps; and
WHEREAS, the City has received notice from FEMA of required amendments
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j that should be incorporated into existing sections of the Kent City Code. NOW,
s THEREFORE,
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THE CITY COUNCIL OF THE CITY OF KENT, WASHINGTON, DOES
HEREBY ORDAIN AS FOLLOWS:
I SECTION 1. Kent City Code Section 14.09.060 is hereby amended as follows:
Sec. 14.09.060. Basis for establishing the areas of special flood hazard.
The areas of special flood hazard identified by the Federal Emergency
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Management Agency in a scientific and engineering report entitled "Flood Insurance
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Study for King County, Washington and Incorporated Areas," dated Septei+er-30-,
4994 June 16. 1995, with accompanying flood insurance maps is hereby adopted by
reference and declared to be a part of this chapter as if stated verbatim. The flood
insurance study is on file and available for examination at the office of the department
of public works.
SECTION 2. Section 14.09.180 of the Kent City Code as it pertains to
Manufactured homes, is hereby amended as follows:
Sec. 14.09.180. Specific Standards. j
In all areas of special flood hazards where base flood elevation data has been
provided as set forth in section 14.09.060 or section 14.09.140, the following
provisions are required:
1. Residential construction.
a. New construction and substantial improvement of any residential
structure shall have the lowest floor, including basement, elevated one
(1) foot or more above base flood elevation.
b. Fully enclosed areas below the lowest floor that are subject to flooding
are prohibited, or shall be designed to automatically equalize hydrostatic
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flood forces on exterior walls by allowing for the entry and exit of
floodwaters. Designs for meeting this requirement must either be
certified by a registered professional engineer or architect or must meet
or exceed the following minimum criteria:
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(1) A minimum of two (2) openings having a total net area of not
less than one (1) square inch for every square foot of enclosed
areas subject to flooding shall be provided.
(2) The bottom of all openings shall be no higher than one (1) foot
above grade.
(3) Openings may be equipped with screens, louvers, or other
coverings or devices provided that they permit the automatic
entry and exit of floodwaters.
2. Nonresidential construction. New construction and substantial improvement of
any commercial, industrial or other nonresidential structure shall either have the
lowest floor, including basement, elevated one (1) foot or more above the level
of the base flood elevation; or, together with attendant utility and sanitary
facilities, shall:
a. Be floodproofed so that below one (1) foot above the base flood level the t
structure is watertight with walls substantially impermeable to the
passage of water;
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b. Have structural components capable of resisting hydrostatic and
hydrodynamic loads and effects of buoyancy;
C. Be certified by a registered professional engineer or architect that the
design and methods of construction are in accordance with accepted
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standards of practice for meeting provisions of this subsection based on
their development and/or review of the structural design, specifications
and plans. Such certifications shall be provided to the official as set forth
in section 14.09.150 2;
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d. Nonresidential structures that are elevated, not floodproofed, must meet
the same standards for space below the lowest floor as described in
subsection Lb. of this section.
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e. Applicants floodproofing nonresidential buildings shall be notified that
flood insurance premiums will be based on rates that are one foot below
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the floodproofed level (e.g. a building floodproofed to one foot above
the base flood level will be rated as at the base flood level).
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" 3. Critical facility. Construction of new critical facilities shall be, to the extent
possible, located outside the limits of the base floodplain. Construction of new
critical facilities shall be permissible within the base floodplain if no feasible
? alternative site is available. Critical facilities constructed within the base
floodplain shall have the lowest floor elevated to three (3) feet or more above
the level of the base flood elevation at the site. Floodproofing and sealing
measures must be taken to ensure that toxic substances will not be displaced by
or released into floodwaters. Access routes elevated to or above the level of the
base flood- plain shall be provided to all critical facilities to the extent possible.
4. Manufactured homes. All manufactured homes to be placed or substantially
improved within zones Al -30, AH, and AE on the community's FIRM shall be
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elevated on a permanent foundation such that the lowest floor of the
manufactured home is one (1) foot or more above the base flood elevation; and
be securely anchored to an adequately anchored foundation system in j
accordance with the provisions of section 14.09.170 Lb.
This subseetion
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the repair, feeonitruetion, or impr vement of
of-1.3teeeds fifty (50) Pt :!,;t`;i1L1ie streets, ttEilities
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SECTION 3. Severability. If any section, sentence, clause or phrase of this
ordinance should be held to be invalid or unconstitutional by a court of competent jurisdiction,
such invalidity or unconstitutionality shall not affect the validity or constitutionality of any
other section, sentence, clause or phrase of this ordinance.
SECTION 4, Effective Date. This ordinance shall take effect and be in
force thirty (30) days from and after its passage, approval and publication as provided by law.
WHITE, MAYOR
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ATTEST:
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BRENDA JACOB TY CLERK
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'.' APPROVED AS TO FORM:
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RO R A. LUBOVICH, CITY ATTO �— -�
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PASSED � day of 1995.
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j APPROVED day of1995.
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I ° PUBLISHED —"7-3 day of1995.
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j I hereby certify that this is a true copy of Ordinance No. 3Z Zpassed by the
City Council of the City of Kent, Washington, and approved by the Mayor of the City of Kent
as hereon indicated.
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BREND ACO R, CITY CLERK
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