060-87 Ordinance
, , , RECORD OF ORDINANCES
425
National Graphics Corp., Cols., O. .... Form No. 2806-A
Ordinance No .----60-8-1---------- P assed_____u________________________________n__ ____19 ____. __
AN ORDINANCE TO AMEND SECTION 1313
OF THE CODIFIED ORDINANCES OF THE
VILLAGE OF DUBLIN, OHIO, REGARDING
EMERGENCY FLOOD CONTROL
WHEREAS, it is necessary to minimize public and private losses due to
flood conditions; and
WHEREAS, revisions to the Code are required to meet the requirements of
Section 60.3(d) of the National Flood Insurance Program's Flood Plan
Management regulations;
NOW, THEREFORE, BE IT ORDAINED by the Council of the Village of Dublin,
State of Ohio, 6 of the elected members concurring that the follow-
ing revisions be made to the Dublin Codified Ordinances:
Section 1.
1313.02 Definitions
Delete the following paragraphs:
(f) "Existing mobile home park or mobile home subdivision"
(g) "Expansion to an existing mobile home park or mobile home
subdivision"
(m) "Habitable floor"
(n) "Mobile home"
(p) "New mobi Ie home park or mobile home subdivision"
Add the following:
(k) "Lowest floor" means the lowest floor of the lowest enclo-
sed area (including basement). An unfinished or flood
resistant enclosure, usable solely for parking of vehicles,
building access or storage, in an area other than a base-
ment area, is not considered a building's lowest floor.
(1) "Manufactured home" means a structure, transportable in
one or more sections, which is buil t on a permanent
chassis and is designed for use with or without a permanent
foundation when connected to the required utilities. It
includes park trailers, travel trailers, and other similar
vehicles placed on a site for greater than 180 consecutive
days.
(m) "Maunfactured home park or subdivision" means a parcel (or
contiguous parcels) of land divided into two or more
manufactured home lots for rent or sale. This definition
sha 11 exclude any manufactured home park as defined in
Section 3733.01 of the Ohio Revised Code, over which
the Public Health Council has exclusive rule making power.
Revise the following:
(f) "Federal Emergency Management Agency" (FEMA) means the
- agency with the overall responsibility for administering th p
National Flood Insurance Program.
(g) "Flood" or "flooding" means a general and temporary
condition of partial or complete inundation of normally
dry land areas from:
(1) The overflow of inland or tidal waters; and/or
(2) The unusual and rapid accumulation or runoff of surfac e
waters from any source.
(h) "Flood Insurance Rate Map" (FIRM) means an official map on
-
which the Federal Emergency Management Agency has delineate -1
both the areas of special flood hazards and the risk
premium zones applicable to the community.
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National Graphics Corp., Cols., O. ~ Form No. 2806-A
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Page Two
(i) "Flood Insurance Study" means the official report in which
the Federal Emergency Management Agency has provided
flood profiles, as we 11 as the Flood Boundary and Floodway
Map, and the water surface elevation of the base flood.
(j) "Floodway" means the channel of a river or other water-
course and the adjacent land areas that must be reserved
in order to discharge the base flood without cumulatively
increasing the water surface elevation more than one-half
foot.
(n) "New construction" means structures for which the "Start
of construction" commenced on or after the effective date
of this chapter.
(0) "Start of construction" means the date the building permit
issued, provided the actual start of construction, repair,
reconstruction, placement, or other improvement was within
180 days of the permit date. The actual start means
either the first placement of permanent construction of a
structure on a site, such as the pouring of slab or
footings, the installation of piles, the construction of
columns, or any work beyond the stage of excavation; or
-
the placement of a manufactured home on a foundation.
Permanent construction does not include land preparation,
such as clearing, grading and fill i ng ; nor does it include
the installation of streets and/or walkways; nor does it
include excavation for a basement, footings, piers, or
foundations or the erection of temporary forms; nor does
it include the installation on the property of accessory
buildings, such .as garages or sheds not occupied as
dwelling units or not part of the main structure.
(E) "Structure" means a walled and roofed building, manufactured
home, or gas or liquid storage tank that is principally
above ground.
(~) "Substantial improvement" means any repair, reconstruction
or improvement of a structure, the cost of which equals or
exceeds fifty percent (50';0 of the market value of the
structure either before the improvement or repair is
started, or if the structure has been damaged and is being
restored, before the damage occurred. For the purposes of
this definition "substantial improvement" is considered
to occur when the first alteration of any wall, ceiling,
floor or other structural part of the building commences,
whether or not that alteration affects the external
dimensions of the structure. The term does not, however,
include either any project for improvement of a structure
to comply with existing State or local health, sanitary, or
safety code specifications which are solely necessary to
assure safe living conditions, or any alteration of a
structure listed on the National Register of Historic
Places or a State Inventory of Historic Places.
(r) "Variance" is a grant of relief to a person from the
requirements of this chapter which permits construction
in a manner that would otherwise be prohibited by this
chapter.
1313.04(b) Revise
Basis for Establishing the Areas of Special Flood Hazard
The areas of special flood hazard have been identified by the
Federal Emergency Management Agency in a scientific and
engineering report ent it led "Flood Insurance Study for Dublin,
Ohio". This study, with accompanying Flood Boundary and Floodway
Maps and/or Flood Insurance Rate Maps dated September 4, 1985,
and any revisions thereto is hereby adopted by reference and
declared to be a part of this ordinance. The Flood Insurance
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National Graphics Corp., Cols.. O. .... Form No. 2806-A
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Page Three
Study is on file at 6665 Coffman Road, Dublin, Ohio.
1313.06(a)(3) Revise
Review all development permits to determine if the proposed
development is located within a designated floodway. Floodways
are delineated in the Flood Boundary and Floodway Map or the
Flood Insurance Rate Map of the Flood Insurance Study. Floodways
may also be delineated in other sources of flood information.
If the proposed development is located within a designated
floodway, assure that the encroachment provision of Section 1313.1(
(a) .
1313.06(b) Revise
Use of Other Base Flood Elevation and Floodway Data Areas
of special flood hazard where base flood elevation data have not
been provided by the Federal Emergency Management Agency in
accordance with Section 1313.04(b), BASIS FOR ESTABLISHING THE
AREAS OF SPECIAL FLOOD HAZARD, are designated as Zone A on the
community's Flood Insurance Rate Map. Within these areas, the
Manager shall obtain, review and reasonably utilize any base
flood elevation and floodway data available from a Federal, State,
or other source, in order to administer Section 1313.09(a),
SPECIFIC STANDARDS, Non-residential Construction; and 1313.10,
FLOODWAYS.
1313 .06 ( c) Revise
Information to be Obtained and Maintained.
Where base flood elevation data are utilized within areas of
special flood hazard on a community's Flood Hazard Boundary
Map or Flood Insurance Rate Map, regardless of the source of such
da_ta, the following provisions apply:
(1) Obtain and record the actual elevation (in relation to mean
sea level) of the lowest floor, including basement, of all
new or substantially improved structures, and whether or not
such structures contain a basement.
(2) For all new or substantially improved flood-proofed
structures:
(A) verify and record the actual elevation (in relation to
mean sea level) to which the structure was flood-
proofed; and,
(B) maintain the floodproofing certifications required in
Section 1313.05(3).
(3 ) Maintain for public inspection all records pertaining to the
provisions of this ordinance.
1313 .06(e) Revise
Interpretation of Flood Boundaries
Make interpretations, where needed, as to the exact location of
the boundaries of the areas of special flood hazards (for
example, where there appears to be a conflict between a mapped
boundary and actual field conditions). Where a map boundary and
elevations disagree, the elevations de lineated in the flood
elevation profile sha 11 preva i l. The person contesting the
location of the boundary shall be given a reasonable opportunity
to appeal the interpretation as provided in Section 1313.07.
1313 .08(a) Revise
Anchoring
(1) All new construction and substantial improvements sha 11 be
anchored to prevent flotation, collapse, or lateral movement
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National Graphics Corp., Cols., O. ~ Form No. 2806-A
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Page Four
of the structure resulting from hydrodynamic and hydrostatic
loads, including the effects of buoyancy.
(2) All manufactured homes not otherwise regulated by the Ohio
Revised Code pertaining to manufactured home parks sha 11 be
anchored to prevent flotation, collapse or lateral movement
of the structure resulting from hydrodynamic and hydrostatic
loads, including the effects of buoyancy. Methods of anchor-
ing may include, but are not to be 1 imited to, use of over-
the-top or frame ties to ground anchors.
1313 .08 (b) Revise
Construction Materials and Methods
(1) All new construction and substantial improvements sha 11 be
constructed with materials resistant to flood damage.
(2) All new construction and substantial improvements sha 11 be
constructed using methods and practices that minimize flood
damage.
(3) All new constructed and substantial improvements shall be
constructed with electrical, heating, ventilation, plumbing
and air conditioning equipment and other service facilities
that are designed and/or located so as to prevent water from
entering or accumulating within the components during
condit ions of flooding.
1313 .08 ( d) Revise
Subdivision Proposals
(1) All subdivision proposals, including manufactured home sub-
divisions, shall be consistent with the need to minimize
flood damage;
(2 ) All subdivision proposals, including manufactured home sub-
divisions, shall have public utilities and facilities such
as sewer, gas, electrical, and water systems located and
constructed to minimize flood damage;
(3) All subdivision proposals, including manufactured home sub-
divisions, shall have adequate drainage provided to reduce
exposure to flood damage; and,
(4) Base flood elevation data shall be provided for subdivision
proposals, including manufactured home subdivisions, and
other proposed developments which contain at least 50 lots
or 5 acres (whichever is less).
1313 .09(b)( l)C. Revise
C. Be certified by a registered professional engineer or architect
that the design and methods of construction are in accordance
with accepted standards of practice for meeting the standards
of this subsection. Such certification shall be provided to
the official as set forth in Section 1313.05(a)3.
1313.09(c) Revise
Manufactured Homes
The following standards shall apply to all new and substantially
improved manufactured homes not subject to the manufactured home
requirements of Section 3733.01, Ohio Revised Code.
(1) Manufactured homes shall be anchored in accordance with
Section 1313.08(a)(2).
(2) Manufactured homes shall be elevated on a permanent foundatior
such that the lowest floor of the manufactured home is at or
above the base flood elevation.
. , :'" RECORD OF ORDINANCES 4 3 7
National Graphics Corp., Cols., O. ~ Form No. 2806-A
Ordinance No. _______?_?_-:_~_?_______ P assed____m_____ __n____________________n_ _____ ____19 ----- --
Page Five
- 1313.09(d) Add
Enclosures Below Base Flood Elevation
The following provisions apply to all new and substantially-
improved residential and nonresidential structures which are
elevated to or above base flood elevation using pilings, columns,
or posts or which contain a crawl space. These structures may
enclose the area below the base flood elevation provided the
following conditions are met:
(1) Fully enclosed areas below the base flood elevation shall
be designed to automatically equalize hydrostatic flood
forces on esterior walls by allowing for the entry and
exit of floodwaters. Designs for meeting this require-
ment must:
(a) be certified by a registered professional engineer or
architect; or,
~~ 1 (b) must meet or exceed the following criteria:
~. ':0 ] (i) a minimum of two openings having a tota 1 net area
~ ~ . of not less than one square inch for every square
-- !~ foot of enclosed area shall be provided;
: 'Si:-~ (ii) the bottom of all openings shall be no higher than
}3T~ one foot above grade; and, ,
-- ~::~ (iii) openings may be equipped with screens, louvers, or
. ~g other cover~ngs or devices. provided that they permit
u~:~, (~ the automatic entry and eXit of floodwaters.
~; ~i ~!~ (2) Any enclosure which meets these criteria shall be considered
G ~ 15 as having met the requirements of Section 1313.08(a),
L"~.>\ ~.~ Anchoring.
: "d'Sl ~~~" .
101 i I""" 1313.10 ReV1se
}--- I ,I I
.....1: ~ j !,
S /" l Ii FLOODWAYS
r-. -00 I .....
{j idj:;- The Flood Insurance Study referenced in Section 1313.04(b)
,~, -", identifies a segment within areas of special flood hazard
~;~ ! known as a floodway. Floodways may also be delineated in other
~l ~ i sources of flood information as specified in Section 1313.06(b).
~'! ~~ The floodway is an extremely hazardous area due to the velocity
.;i~~ of flood waters which carry debris, potential projectiles, and
::El !!:~ erosion potential. The following provisions apply within all
u)'
~ ~ delineated floodway areas:
CJ ~ <ll
~ ~ ~ ~ (a) Prohibit encroachments, including fill, new construction,
~ \; ~ substantial improvements, and other development unless a
l:3 technical evaluation demonstrates that encroachments shall
" C)
,~~ not result in any increase in flood levels during the occur-
-' foii rence of the base flood discharge.
~ :::s
~Q (b) If Section 1313.10(a) is satisfied, all new construction and
substantial improvements shall comply with all applicable
flood hazard reduction provisions of Section 1313.08, PRO-
~, VISIONS FOR FLOOD HAZARD REDUCTION, and Section 1313.09
specific standards.
Section 2. That this Ordinance shall take affect and be in force from and
after the earliest period allowed by law.
pa",e~daY of June., 1987.
- ZA'7U'-L!o/Jll(~~,/
Mayor - Presiding Officer Attest: Clerk of Co nCil
I hereby certify that copies of this Ordi~-- -- .n '~,nllJfio"
were. posted in the Village of Dublin in~. ; ..:..;~.: with
Sponsor: Acting Village Engineer Sectlon73~5oftheOhiORevisedCode.
~;I~A2n, ~
Clerk of Council
.~