02-991 City Code Amd Floodplain Ordinance
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CITY OF MERIDIAN
ORDINANCE NO. &2- r f1¡
AN ORDINANCE AMENDING ORDINANCE NO. 01-928
BY: !<eiflv ðir~
AN ORDINANCE OF THE CITY OF MERIDIAN, IDAHO, AMENDING ORDINANCE
NO. 01-928 PERTAINING TO THE FLOOD DAMAGE PREVENTION AMENDING
SECTION 10-6-2, DEFINmONS - LOWEST FLOOR BY THE ADDITION AND
ELIMINATION OF WORDS WITHIN THE DEFINITION, AND AMENDING
SECTIONS 10-6-5 A. 1. a., 10-6-5 A. 2. 8. AND C., PROVISIONS FOR FLOOD HAZARD
REDUCTION - ANCHORING, CONSTRUCTION MATERIALS AND METHODS, BY
THE ADDmON AND ELIMINATION OF WORDS WITHIN THOSE SECTIONS, AND
BY THE ADDmON OF A NEW SUBSECTION 10-6.5 A. 6. CRAWLSPACES; AND BY
AMENDING SECTIONS 10-6-5 B. 1. 8. AND b. PROVISIONS FOR FLOOD HAZARD
REDUCTION - SPECIFIC STANDARDS - RESIDENTIAL CONSTRUCTION BY THE
ADDmON AND/OR ELIMINATION OF WORDS WITHIN THOSE SECTIONS; AND
PROVIDING AN EFFECTIVE DATE.
NOW, THEREFORE, BE IT ORDAINED BY THE MAYOR AND CITY COUNCIL OF
THE CITY OF MERIDIAN, ADA COUNTY, IDAHO:
SECTION 1: That Section 10-6-2 DEFINITIONS - LOWEST FLOOR of the Meridian City
Code, be, and the same is hereby amended to read as follows:
10-6-2
DEFINITIONS:
LOWEST FLOOR: The lowest floor of the lowest enclosed area (including
basements but excluding allowable below grade crawlspaces). An unfinished or
flood resistant enclosure, usable solely for parking of vehicles, building access or
storage, in an area other than a basement area, is not considered a building's
lowest floor; provided, that such enclosure is not built so as to render the structure
in violation of the application nonelevation design requirements of this Chapter
found at subsection 1O-6-5BI of this Chapter.
AMENDING ORDINANCE NO. 01-928 FLOOD DAMAGE
PREVENTION AND FLOODPLAIN
SECTION 2: That Section 10-6-5 A. 1. a PROVISIONS FOR FLOOD HAZARD
REDUCTION - GENERAL STANDARDS - ANCHORING of the Meridian City Code, be, and
the same is hereby amended to read as follows:
10-6-5
PROVISIONS FOR FLOOD HAZARD REDUCTION:
A.
General Standards: In all areas of special flood hazard, the following standards are
required:
1.
Anchoring:
a. All new construction. including buildings designed with sub-grade crawlspaces.
and substantial improyements shall be designed and adequately anchored to
resist floatation. collllPse. and lateral movement of the structure resulting ITom
hydroc\ynamic and hydrostatic loads including the effects of buoyancy
aneher-ed te I"feyem iletatien, eellapse, ar llItefall'Elø'>'elflefit efthe stmet1:Ire.
b. All manufactured homes must likewise be anchored to prevent flotation;
collapse or lateral movement, and shall be instal1ed using methods and
practices that minimize flood damage. Anchoring methods may include, but
are not limited to, use of oyer-the-top or ftame ties to ground anchors
(reference FEMA's "Manufactured Home Installation in Flood Hazard Area"
guidebook for additional techniques).
SECTION 3: That Section 10-6-5 A. 2. a and c PROVISIONS FOR FLOOD HAZARD
REDUCTION - GENERAL STANDARDS - CONSTRUCTION MATERIALS AND
METHODS of the Meridian City Code, be, and the same is hereby amended to read as follows:
10-6-5 PROVISIONS FOR FLOOD HAZARD REDUCTION:
A.
General Standards: In all areas of special flood hazard, the following standards are
required:
2. Construction Materials And Methods:
a. All new construction and substantial improvements including those that haye
portions of the building below the BFE. shall be constructed with materials
resistant to flood damage. This includes not only the foundation walls of the
crawlspace used to elevate the buildinli1. but also all ioints. insulation or other
materials that extend below the BFE shall he 6eøstmete!! .¡fltfl materials IIftd
1:Itility equipmef!t fellÏstllllt ta ilea!! damage.
b. All new construction and substantial improvements shall be constructed using
methods and practices that minimize flood damage;
AMENDING ORDINANCE NO. 01-928 FLOOD DAMAGE
PREVENTION AND FLOODPLAIN
2
c. All building utili~ I!)'stems including electrical heating. yentilation. Dlumbing,
air conditionilU!. ductWork and other service facilities shall be elevated aboye
the BFE or otherwise protected so that floodwaters cannot enter or
accumulate within the system components during flood stage. Eleetfieal,
ReIltiBg, veøtilatien, plwBbiBg, and air eeBElitiemag e(; tIipmefit aad ether
serviee fneilfti.es shllli J¡e Eiesigaee anèler etherwise eleYatee ar lo¡¡lItee se lIS te
preveBt water Iffiæ eBteriftg or lIe6I:HHwllâBg withifl. the ¡¡oæp6Beøts åttr'.ßg
eoøditiefts ef fleeEiiBg.
SECTION 4: That Section 10-6-5 A. PROVISIONS FOR FLOOD HAZARD REDUCTION of
the Meridian City Code, be, and the same is hereby amended by the addition thereto of a new
subsection 6., and to read as follows:
10-6-5 PROVISIONS FOR FLOOD HAZARD REDUCTION:
A.
General Standards: In all areas of special flood hazard, the following standards are
required:
6.
Crawlspaces:
Jh
The interior grade of a crawlspace sha11 not be more than 2 feet below the
lowest adjacent exterior !!Tade.
!1.
The heil!ht of anv below grade crawlspace. measured from the interior
grade of the crawls\,ace to the top to the crawlsDace foundation wall shall
not exceed four (4) feet at any point.
!<..
An adeauate drainage system that remoyes floodwaters ITom the interior of
the crawlspace within a reasonable time after a flood eyent shall be
required for all homes with a below @fade crawlfiPace. The design of the
drainage plan shall be approyed by the public works department prior to
the issuance of a buildin~ Dermit.
!l
The velocity of floodwaters at the building site shall not exceed 5 feet per
second for any crawlfiPace.
!t.
Below grade crawlspace construction in accordance with the requirements
listed aboye will not be considered basements.
f.
Applicants building below grade crawlspaces within the floodplain shall be
notified that flood insurance premiums will not be able to be detennined by
agents using the NFIP Flood Insurance Manual. They must submit for a
AMENDING ORDINANCE NO. 01-928 FLOOD DAMAGE
PREVENTION AND FLOODPLAIN
3
special rating under the "Submit to Rate Process" by an underwriter
familiar with below !!fade crawlspace construction.
SECTION 5: That Section 10-6-5 B. 1. a and b PROVISIONS FOR FLOOD HAZARD
REDUCTION - SPECIFIC STANDARDS - RESIDENTIAL CONSTRUCTION of the
Meridian City Code, be, and the same is hereby amended to read as follows:
10-6-5 PROVISIONS FOR FLOOD HAZARD REDUCTION:
B.
Specific Standards: In all areas of special flood hazard where base flood elevation data
has been provided as set forth in subsection 10-6-3B or subsection 1O-6-4C3 of this
Chapter; the following provisions are required:
1.
Residential Construction:
a.
New construction and substantial improvement of any residential
structure shall haye the lowest floor, excluding approyed below grade
crawlspaces iook:uiiag basemeøt, elevated to or aboye base flood elevation.
b.
Fully enclosed areas. other than allowable below grade crawlspaces wlùch
below the lowest floor that are subject to flooding are prolùbited, or shall
be designed to automatically equalize hydrostatic flood forces on exterior
walls by allowing for the entry and exit offlood waters. Designs for
meeting this requirement must either be certified by a registered
professional engineer or arclùtect or nrust meet or exceed the following
minimum criteria:
I)
A minimum of two (2) openings having a total net area of not less
than one square inch for eyery square foot of enclosed area subject
to flooding shall be provided.
2)
The bottom of all openings shall be no lùgher than one-foot (I)
aboye grade.
3)
Openings may be equipped with screens, louyers, or other
COyerings or devices; provided, that they permit the automatic entry
and exit of floodwaters.
SECTION 6: All ordinances, resolutions, orders or parts thereof in conflict
herewith are hereby repealed, rescinded and annulled.
SECTION 7: VALIDITY: The Meridian City Council hereby declares that any
section, paragraph, sentence or word of tlùs Ordinance as adopted and amended herein be
AMENDING ORDINANCE NO. 01-928 FLOOD DAMAGE
PREVENTION AND FLOODPLAIN
4
declared for any reason to be inyalid it is the intent of the Meridian City Council that it would
have passed all other portions of this ordinance independent of the elimination hereftom of any
portion as may be declared invalid.
SECTION 8: DATE OF EFFECT: This Ordinance shall be in full force and
effect within one (1) month after its passage, approval and publication, according to law.
P ASSEB¡,~Y THEEOUNCIL OF THE CITY OF MERIDIAN, IDAHO, this ! 711<c
day of -'dt:Cef;1,.-(frL/ , 2002.
APPROVED BY ¡HE MAYOR OF THE CITY OF MERIDIAN, IDAHO, this !7~
day of /}fÇf:frvl.Jvvl , 2002.
g~;~;
ATTEST:
Yes:~
Second Reading:
Third Reading:
No:-
AMENDING ORDINANCE NO. 01-928 FLOOD DAMAGE
PREVENTION AND FLOODPLAIN
5
STATE OF IDAHO,)
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County of Ada. )
On this ~ day of ~ , 2002, before me, the undersigned, a Notary Public in
and for said State, personally appeared ROBERT D. CORRIE and WILLIAM G. BERG, JR., known to me
to be the Mayor and City Clerk of the CITY of Meridian, Idaho, and who executed the within instrument, and
acknowledged to me that the City of Meridian executed the same.
IN WITNESS WHEREOF, I haye hereunto set my hand and affixed my official seal the day
and year first aboyçj>ðÎ~.
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NOTARY PUBLI<;;'F,ORJDAHO
RESIDING AT: ~[o{.v~ho
MY COMMISSION EXPIRES: - <1)-0'5
AMENDING ORDINANCE NO. 01-928 FLOOD DAMAGE
PREVENTION AND FLOODPLAIN
6
CERTIFICATION OF THE CITY CLERK OF THE CITY OF MERIDIAN
To:
The Recorder, Auditor, Treasurer and Assessor of Ada County, and
The State Tax Corrunission of the State ofIdaho
I, WILLIAM G. BERG, JR., City Clerk, of the City of Meridian, Ada County, State of
Idabo, do hereby certifY that the attached copy ofOrd~ce No. $1. - qq I. ' passed by
the City Council of the City of Meridian, on the /7-L day of 'Cemb-vV ,2002, is a
true and correct copy of the original of said document which is in the care, custody and control of
the City Clerk of the City of Meridian. \\\,,\,,""'I ~"'III
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WILLIAM G. BERG, JR.
STATE OF IDAHO, )
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County of Ada,
On this ~ day of f)t~í , in the year 2002, before me, the undersigned, a
Notary Public, appeared WILLIAM G. BERG, JR., known or identified to me to be the City
Clerk of the City of Meridian, Idaho that executed the said instrument, and acknowledged to me
that he executed the same on behalf of the City of Meridian.
(SEAL)
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CERTIFICATION OF THE CITY CLERK OF THE CITY OF MERIDIAN