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ORDINANCE NO. 4366-87
AN ORDINANCE OF THE CITY OF CLEARWATER, FLORIDA,
RELATING TO FLOOD PROTECTION; CREATING SECTIONS
146.002 THROUGH 146;008 AND 146.30 THROUGH 146.139 CODE
OF ORDINANCES, TO REVISE AND AMEND THE PROVISIONS
REGULATING THE DEVELOPMENT OF AREAS OF SPECIAL
FLOOD HAZARD WITHIN THE CITY; REPEALING SECTIONS 146.01
THROUGH 146.089 CODE OF ORDINANCES, ON THE SAME'
SUBJECT; PROVIDING AN EFFECTIVE DATE.
BE IT ORDAINED BY THE CITY COMMISSION OF THE CITY OF
CLEARWATER, FLORIDA:
Section 1. Sections 146.002, 146.003, 146.004, 146.005, 146.006, 146.0070
146.008, 146.100 146.11, 146.12 and 146.13, Code of Ordinances, are created to read:
Section 146.002. Findings of Fact.
The City Commission finds and declares that:
(1) The flood hazard areas of the City of Clearwater are subject to periodic
inundation which results in loss of life and property, health and safety hazards,
disruption of commerce and governmental services, extraordinary public expenditures
for flood protection and relief, and impairment of the tax base, all of which adversely
affect the public health, safety and general welfare; and
(2) These flood losses are caused by the cumulative effect of obstructions in
floodplains causing increases in flood heights and velocities, and by the occupancy in
flood hazard areas by uses vulnerable to floods or hazardous to other lands which are
Inadequately elevated, flood-proofed, or otherwise unprotected from flood damages. }
Section 146.003. Statement of Purpose.
It is the purpose of this chapter to promote the public health, safety and general
welfare and to minimize public and private losses due to flood conditions in specific
areas by provisions designed to:
(1) Restrict or prohibit uses which are dangerous to health, safety and
property due to water or erosion hazards, or which result in damaging increases in
erosion- or in flood heights or velocities;
(2) Require that uses vulnerable to floods, including facilities which serve such
uses, be protected against flood damage at the time of initial construction;
(3) Control the alteration of natural flood plains, stream channels, and natural
protective barriers which are involved in the accomodation of flood waters;
(4) Control filling, grading, dredging and other development which may
increase erosion or flood damage; and
(5) Prevent or regulate the construction of flood barriers which may
unnaturally divert flood waters or which may Increase flood hazards to other lands.
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Section 146.004. Definitiotw.
As used in this chapters
"Addition (to an existing building)" means any walled and roofed expansion to the
perimeter of a building in which the addition is connected by a common load-bearing
wall other than a fire wall. Any walled and roofed addition which is connected by a
fire wall or is separated by independent perimeter load-bearing walls is new
construction.
"Appeal" means A request for a review of the building official's interpretation of
any provision of this chapter or a request for a variance.
"Area of shallow flooding" means a designated AO or VO Zone on the Flood
Insurance Rate Map (FIRM) with base flood depths from one to three feet where a
clearly defined channel does not exist, where the path of flooding Is unpredictable and
indeterminate, and where velocity flow may be evident.
"Area of special flood hazard" is the land in the floodplain within the City
subject to a one percent or greater chance of flooding In any given year. The area
may be.designated on the FHBM as Zone A. After detailed ratemaking has been
completed in preparation for publication of the FIRM, Zone A is usually refined Into
Zones A, AO,,A1-99, V0, and V1-30.
"Base flood" means the flood having a one percent chance of being equaled or
exceeded in any given year.
"Base flood elevation" or "BFE" means the elevation above mean sea level, as
shown on the FIRM and FHBM.
"Basement" means that portion of a building having its floor subgrade (below
ground level) on all sides.
"Breakway wall" means a wall that Is not part of the structural support of the
building and is intended through Its design and construction to collapse under specific
lateral loading forces without causing damage to the elevated portion of the building
or the supporting foundation system.
"Building" means any structure built for support, shelter, or enclosure for any
occupancy or storage.
"Building official" means the building official of the City within the meaning of
the building code adopted for enforcement within the City, or his or her designee.
"City" means the City of Clearwater, Florida.
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"City engineer" means the.city engineer of the City or his or her designee,
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"Coastal High Hazard Area" means the area subject to'high velocity waters
including, but not limited to, hurricane wave wash. The area may be designated on a
FIRM as Zone V1-30, VE or V.
"Development" means any man-made change to improved or unimproved real
property, Including but not limited to buildings or other structures, mining, dredging,
filling, grading, paving, excavating, drilling, or permanent storage of materials.
"Elevated building" means a non-'basement building built to have the lowest floor
elevated above the ground level by means of fill, solid foundation perimeter walls,
pilings, columns (posts and piers), shear walls, or breakway walls.
"Elevation" shall mean elevation in relation to mean sea level.
"Flood" or "flooding" means a general and temporary condition of partial or
complete inundation of normally dry land areas from the overflow of inland or tidal
waters, or from the unusual and rapid accumulation or runoff of surface waters from
any. source. r
"Flood Hazard Boundary Map" or "FHBM" means an official map of the city,
issued by the Federal Emergency Management Agency, where the boundaries of the
areas of special flood hazard have been defined as Zone A.
"Flood Insurance Rate Map" or "FIRM" means an official map of the city on
which the Federal Emergency Management Agency has delineated both the areas of
special flood hazard and the applicable risk premium zones.
"Flood Insurance Study" is the official report provided by the Federal Emergency
Manage m ent, Agency which contains profiles, the Flood Boundary Floodway Map and
the water surface elevation of the base flood.
"Floodway" means the channel of a river or other watercourse and the adjacent,
land areas that must be reserved in order to discharge the base flood without
increasing the water surface elevation.
"Floor" means the top surface of an enclosed area in a building (including
basement), e.g., top of slab in concrete slab construction or top of wood flooring in
wood frame construction. The term does not include the floor of a garage used solely
for parking vehicles.
"Functionally dependent facility" means a facility which cannot be used for its
intended purpose unless it is located or carried out in close proximity to water, such as
but not limited to a boat docking or port facility or shipbuilding, ship repair, or
seafood processing facilities. The term does not include long-term storage,
manufacture, sales or service facilities.
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mss: "Habitable floors" means any floor usable for living purposes, Including working,
eating, sleeping, cooking, or recreation, or a combination thereof, such as but not ,p
limited to bedrooms, living rooms, laundry rooms, bathrooms, workshops, dens, and,
studies. The term does not include a floor used only for storage or vehicle parking
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?I "Highest adjacent grader" means the highest natural elevation of the ground
surface, prior to constructions next to the proposed walls of a structure.
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Lowest floor means the lowest floor of the lowest enclosed area (including
basement). An unfinished or flood resistant enclosure, usable solely for parking of
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vehicles, building access or storage in an area other than a basement area is not
considered a buildings lowest floor, provided that such enclosure is net built so as to
render the structure In violation of the applicable non-elevation design requirements. ;_sya; fti4?
ary ?"i
"Mangrove stand" means an assemblage of mangrove trees which is mostly low
??• trees noted for a copious development of interlacing adventitious roots above the
f;?f
ground and which contain one or more of the following species: black mangrove
-- " ' (Avicennia nitidah red mangrove (Rhizophora mangle); white mangrove (Languncularia ` W
racemosaand buttonwood (Conocarpus erecta).
"Manufactured home" means a structure, transportable in one or more sections,
which is built on a permanent chassis and designed to be used with or without a
permanent foundation when connected to the required utilities. The term also Includes
park trailers, travel trailers, and similar transportable structures placed on a site for `~ x
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180 consecutive days or longer and intended to be a fixture or improvement to the ?, .
property. '
"Manufactured home park or subdivision" means a parcel (or contiguous parcels)
• ;?. of land divided into two or more lots for rent or sale as manufactured home sites.
"Market value of the structure" means the appraised value of the structure, notes
Including land, driveways, side-walks, landscaping, swimming pools, and other similar
improvements not related to the basic structure, prior to the start of the initial repair
:t,
` or improvement or, in the ease of damage, prior to the damage occuring. '.?
' "Mean sea level" means the average height of the sea for all stages of the tide..
It is used as reference for establishing various elevations within the flood plains. For
purposes of this ordinance, the term is synonymous with National Geodetic Vertical::
Datum (NGVD).{
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?.'? .. 4k.:s:cr..a5:e-.'.s :<:.,ii::,-.4.t?M?--.-??e W.• `^??.?• Ess , b?"?• 'r.a-t'4S - -u?....gr'ias ila=iCic?nLi:L r[?1.?
F^•:; ties a.car.syn..c-i,k?`G?'.`<'a..ti++i•s:.t.:.u.wry:•?r•..L..a<[.'..sl}.".s%{+?.?+ f..
"National Geodetic Vertical Datum" or t'NGVD'" as corrected in 1929 is a
vertical control used as a reference for establishing varying elevations within the flood
plain.
"New construction" means structures for which the start of construction
commenced on or after December 31, 1974.
"Sand dunes" means naturally occurring accumulations of sand in ridges or
mounds landward of the high water line on the beach.
"Start of construction," for other than new construction or substantial
improvements under the Coastal Barrier Resources Act (P. L. 97-348), Includes
substantial improvement, and means the date the building permit was issued, provided
the actual start of construction, repair, reconstruction, or improvement was within
180 days of the permit date. The actual start of construction means the first
placement of permanent construction of a structure on a site, such as the pouring of
slabs, or footings, installation of piles, construction of columns, or any work beyond
the stage of excavation or the placement of a manufactured home an a foundation.
Permanent construction does not include land preparation, such as clearing, grading
and filling; Installation of streets or walkways; excavation for a basement, footings,
piers or foundations or the erection of temporary forms; or 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.
"Structure" means a walled and roofed building that Is principally above ground,
a manufactured home, a gas or liquid storage tank, or other man-made facility or
infrastructure.
.
"Substantial improvement" means any combination of repairs, reconstruction,
alteration, or improvements to a structure, taking place during the life of a structure,
in which the cumulative cost equals or exceeds fifty percent of the market value of
the structure. 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 the alteration affects the
external dimensions of the structure. The term does not, however, include
improvement to a structure required to comply with existing health, sanitary, or
safety code provisions which are solely necessary to assure safe living conditions,
provided that the improvement is required because of the issuance by the building
official of a citation for a violation of one or more such code provisions.
-5-
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_7'?L:. sa.._ ::?'ci:',•k 1~M. .. +3??, to ig.. ... . ..ai.. 't'•??.?. ::3'-? ?l ni. ?., ?.'S,,i ,, <4'.s .?'.?f "i 3! .iF'..'?.£,?•. Y•._.. .x!?Fr44.e :?'r•?,.,.rn•?....?1:.\S'?rkt. '?.. v.C"a.?. ...Y r. ??f ri 4?ur?+?. ,F
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"lVariance" is a grant of relief from the requirements of this chapter which
permits construction in a manner otherwise prohibited by this chapter where specific
enforcement would result In unnecessary and exceptional hardship.
Section 146.005. Lands to Which This Chapter Applies.
This chapter shall apply to all areas of special flood hazard within the City of
Clearwater.
Section 146.006. Development permit required.
(1) A development permit shall be required in conformance with the provisions
of this chapter prior to the commencement of any development activities.
(2) No structure or land shall hereafter be located, extended, converted or
structurally altered without full compliance with the terms of this chapter and other
applicable regulations.
Section 146,007. Administration, permit procedures, duties of building official.
(1) Designation of Building Official. The building official Is hereby appointed
to administer and implement the provisions of this chapter.
(2) Permit Procedures.
An application for a development permit shall be made to the building official on
forms furnished by him or her prior to any development activities, and shall include,
r
but not be limited to, plans drawn to scale showing the nature, location, dimensions,
and elevations of the property; existing or proposed structures, fill, storage of
materials, and drainage facilities; and the location of the foregoing. Specifically, the
following Information is required:
(a) Application stage.
1. Elevation of the proposed lowest floor (including basement) of all
structures;
2. Elevation to which any non-residential structure will be flood-proofed;
3. Certificate from a Florida registered professional engineer or architect
that the non-residential flood-proofed structure will meet the flood-proofing criteria
in Section 146.008(2)(b).
4, Description of the extent to which any watercourse will be altered or
relocated as a result of proposed development; and ?
5. For all additions to or alterations of any structure, an appraisal of the
market value of tho structure from an MAI or SRPA designated appraiser may be
provided, along with information showing all costs involved in the proposed work
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Including, but not limited to, materials and labor; however, for the purposes of this
chapter, an appraisal of the value of the structure which exceeds 120 percent of the
value of the structure as determined by the Pinellas County Property Appraiser shall
not be accepted or used. If an appraisal is not provided, then the appraisal of the
value of the structure as determined by the Pinellas County Property Appraiser will be
used.
(b) Construction stage.
Provide a floor elevation or flood-proofing certification after the lowest floor Is
completed, or in instances where the structure i9 subject to the regulations applicable
to Coastal High Hazard Areas, after placement of the horizontal structural members
of the lowest floor. Upon placement of the lowest floor, or flood-proofing by
whatever construction means, or upon placement of the horizontal structural members
of the lowest floor, whichever Is applicable, it shall be the duty of the permit holder to
submit to the building official a certification of the elevation of the lowest floor,
flood-proofed elevation, or the elevation of the lowest portion of the horizontal
structural members of the lowest floor, whichever Is applicable, as built, in relation to
mean sea level. The certification shall be prepared by or under the supervision of a
Florida registered, land surveyor or, when flood-proofing is utilized for a particular
building, the certification shall be prepared by or under the supervision of a Florida
registered professional engineer or architect, and shall be certified and sealed. Any
work undertakon prior to submission of the certification shall be at the permit holder's
risk. The building official shall review the floor elevation survey data submitted.
Deficiencies detected by such review shall be corrected by the permit holder
Immediately and prior to further progressive work being permitted to proceed. Failure
to submit the certification, or failure to make the corrections required hereby, shall
be cause to issue a stop-work order for the project.
(3) Duties of the building official.
The duties of the building official shall include, but not be limited to:
(a) Review all development permit applications to assure that the permit
requirements of this chapter have been satisfied;
(b) Advise applicants that additional federal or state permits may be required
and, if specific federal or state permit requirements are known, require that copies of
such permits be provided and maintained on file with the development permit;
(c) Notify adjacent communities and the State Assistance Office for the
National Flood Insurance Program prior to any alteration or relocr*ion of a
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watercourse, and submit evidence of such notifieation to the Federal Emergency
Management Agency;
(d) Assure that maintenance Is provided within the altered or relocated portion
of a watercourse so that the flood-carrying capacity is not diminished;
(e) Obtain a certification of the actual elevation of the lowest floor (including
basement) of all new or substantially Improved structures, when certification Is
required;
(f) Obtain a certification of the actual elevation to which the new or
substantially Improved structures have been flood-proofed, when certification Is
required;
(g) In Coastal High Hazard Areas, obtain a certification from a Florida
registered professional engineer or architect that the structure is designed to be
securely anchored to adequately anchored pilings or columns In order to withstand
velocity waters and hurricane wave wash;
(h) In Coastal High Hazard Areas, review plans for adequacy of breakaway
walls In accordance with Section 146.0080)(08.
(i) When flood-proofing Is utilized for a particular structure, obtain a
certification from a Florida registered professional engineer or architect, when
'certification is required.
(?} Make any interpretations which may be needed as to the exact location of
boundaries of the areas of special flood hazard (for example, where there appears to
be a conflict between a mapped boundary and actual field conditions).
(k) Obtain, review and reasonably utilize any base flood elevation and
floodway data available from a federal, state or other source whenever base flood
elevation data or floodway data have not been provided as required.
(1) Maintain all records pertaining to the administration of the provisions of
this chapter.
Section 146.008. Flood hazard reduction standards.
(1) General Standards.
In all areas of special flood hazard, the following standards are required:
(a) New construction and substantial improvements shall be anchored to
prevent flotation, collapse or lateral movement of the structure;
(b) Manufactured homes shall be anchored to prevent flotation, collapse, or
lateral movement. Methods of anchoring may Include, but are not limited to, use of
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aver-the-top or frame ties to ground anchors. This standard shall be in addition to and '
consistent with applicable state requirements for resisting wind forces. r
(c) New construction and substantial improvements shall be constructed with
.. materials and utility equipment resistant to flood damage., '
(d) New construction or substantial improvements shall be constructed by t?hy
methods'and practices that minimize flood damage.
(e) Electrical, heating, ventilation, plumbing, air conditioning equipment, and
other service facilities shall be located at or above the base flood elevation, or shall`
be designed or located so as to prevent water from entering or accumulating within
the components during conditions of flooding.
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(f) New and replacement water supply systems shall be designed to minimize u3af:g °. r
or eliminate infiltration of flood waters into the system.
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(g) New and replacement sanitary sewage systems shall be designed to,
minimize or eliminate infiltration of flood waters into the systems and discharges
from the systems into flood waters.
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(h) On-site waste disposal systems shall be located and constructed to avoid
impairment to them or contamination from them during flooding; and ` a
(1) Any alteration, repair, reconstruction or improvements to a structure =
which is in compliance with the provisions of this chapter shall meet the requirements
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js of "new construction" as contained in this chapter.
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(2) Specific standards.
,y In all areas of special flood hazard, the following standards are required:
(a) Residential Construction (A Zone). New construction or substantial" > a '`
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v' improvement of any residential structure shall have the lowest floor, including
basement, elevated at or above the base flood elevation. Should solid foundation
perimeter walls be used to elevate a structure, openings sufficient to facilitate the
unimpeded movement of flood waters shall be provided in accordance with the = t
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standards set forth in paragraph (c) below. ' _.
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(b) Non-Residential Construction (A Zone).
New construction or substantial improvement of any commercial, industrial, or non-residential structure shall have the lowest floor, including basement, elevated at
or above the level of the base flood elevation. Structures located in all A-zones may a `5
` be flood-proofed in lieu of being elevated, provided that all areas of the structure '
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below the required elevation are water tight with walls substantially impermeable to
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the passage of water, and use structural components having the capability of resisting
hydrostatic and hydrodynamic loads and the effect of buoyance. A Florida registered
professional engineer or architect shall certify that the standards of this paragraph are
satisfied. •
(c) Elevated Buildings (A Zone). New construction or substantial
improvements of elevated buildings that include fully enclosed areas formed by the
foundation and other exterior walls below the base flood elevation shall be designed to
preclude finished living space and designed to allow for the entry and exit of
floodwaters to automatically equalize hydrostatic flood forces on exterior walls.
1. Designs for complying with this requirement shall either be certified by a
Florida registered professional engineer or architect or meet the following minimum
criteria:
(1) Provide a minimum of two openings having a total net area of not less than
one square inch for every square foot of enclosed area subject to flooding;
(ii) The bottom of all openings shall be no higher than one foot above grade;
and
(iii) Openings may be equipped with screens, louvers, valves or other coverings
or devices provided they permit the automatic flow of floodwaters in both directions.
2. Electrical, plumbing, and other utility connections are prohibited below the
base flood elevation;
3. Access to the enclosed area shall be the minimum necessary to allow for
paridng of vehicles (garage door), limited storage of maintenance equipment used in
connection with the premises (standard exterior door), and entry to the living area
(stairway or elevator); and
4. The interior portion of such enclosed area shall not be partitioned or
finished into separate rooms.
(d) Floodways. Located within areas of special flood hazard are areas
designated as floodways. Because the floodway is an extremely hazardous area due to
the velocity of flood waters and erosion potential, the following standards shall apply:
1. Encroachments, including fill, new construction, substantial improvements
and other developments, are prohibited unless certification, with supporting technical
data, by a Florida registered professional engineer is provided demonstrating that the
encroachments shall not result in any increase in flood levels during the occurrence of
the base flood discharge;
2. All new construction and substantial improvements shall comply with all
applicable flood hazard reduction provisions of this section; and
-1Q-
.7
3. The placement of manufactured homes'is prohibited except in an existing
manufactured home park or subdivision; however, a replacement manufactured home
may be placed on a lot in an existing manufactured home park or subdivision provided
the anchoring standards and the elevation standards set forth herein are met.
(e) Coastal High Hazard Area (V Zones). Located within the areas of special
' flood hazard are areas designated as Coastal High Hazard areas. Because these areas"
have s
ecial flood hazards associated with wave wa
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required:
1. All buildings or structures shall be located landward of the coastal
construction control line.
2. All buildings or structures shall be elevated so that the bottom of the =
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lowest supporting horizontal member (excluding pilings or columns) is located at or ,-
above the base flood elevation level, with all space below the lowest supporting
member open so as not to impede the flow of water. Breakaway walls may be
permitted If designed to wash away in the event of abnormally high tides or wave;,
' action' and in accordance with subparagraph 8 below.
' 3. All buildings or structures shall be securely anchored on pilings or columns;.. a
4. All pilings and columns and the attached structures shall be anchored to
' resist flotation, collapse, and lateral movement due to the effect of wind and water
loads acting simultaneously on all building components. The anchoring and support
• system shall be designed with wind and water loading values which equal or exceed the
100 year mean recurrence interval (one percent annual chance flood). '
5. A Florida registered professional engineer or architect shall certify that
the design, specifications and plans for construction are in compliance with the
provisions of subparagraphs 2, 3 and 4 of this paragraph.
6. There shall be no fill used as structural support. Non-compacted fill may r'
be used around the perimeter of a building for landscaping or aesthetic purposes
provided the fill will wash out from storm surge (thereby rendering the building free oft=
4
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obstruction) prior to generating excessive loading forces, ramping effects, or wave° . : `
deflection. The building official shall approve design
plans for landscaping/aesthetic .
fill only after the applicant has provided an analysis by an engineer, architect, or soil
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scientist which demonstrates that the following factors have been fully considered:, Y
(f) Particle composition of fill material does not have a tendency for
excessive natural compaction;'. ` i
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(il) Volume and distribution of fill will not cause wave deflection to adjacent
properties; and
(iii) Slope of fill will not cause wave run-up or ramping.
7. There shall be no alteration of sand dunes or mangrove stands which would
Increase potential flood damage. r !
8. Non-supporting breakaway walls, open lattice-work, or mesh screening shall
r
be allowed below the base flood elevation provided they are not part of the structural
support of the building and are designed ?r
so as to break away, under abnormally high
tides or wave action, without damage to the structural Integrity of the building one
which they are to be used and provided the following design specifications are met:
h
(i) Design safe loading resistance of each wall shall be not less than 10 nor
f
more than 20 pounds per square foot; or«
, ' 3p
(ii) If more than 20 pounds per square foot, a Florida registered professional`
engineer or architect shall certify that the design wall collapse would result from a`` '
water load less than that which would occur during the base flood event, and the ! .
elevated portion of the building and supporting foundation system shall not be subject ;
f>r
to collapse, displacement or other structural damage due to the effects of wind and
water loads acting simultaneously on all building components during the base flood ?g
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event. Maximum wind and water loading values to be used in this determination shall
' V
each have one percent chance of being equalled or exceeded in any given year (100-
year mean recurrence interval).
9. If breakaway walls are utilized, such enclosed space shall not be designed ,
to be usable for human habitation but shall be designed to be usable only for parking of
vehicles, building access or limited storage of maintenance equipment used in
connection with the premises.,.
10. Prior to construction, plans for any structures that will have breakaway
walls must be submitted to the building official for approval. ,
F; 11. Any alteration, repair, reconstruction or improvement to a structure shall
not enclose the space below the lowest floor except with breakaway walls.'
t ' . 12. The placement of manufactured homes is prohibited except in an existing
i
manufactured home park or subdivision; however, a replacement manufactured home
may be placed on a lot In an existing manufactured home park or subdivision provided
the anchoring standards and the elevations standards set forth herein are met.
, r
-12
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(3) Standards for streams without established base flood elevations or
floodways. R
Within the areas of special flood hazard where small streams exist but where no '
base flood data have been provided or where no floodways have been provided, the
following standards apply:
• ?e r ? n. +7?J i'Y4a
(a) No encroachments, including fill material or structures, shall be located
i yA 4't'? e;A to
. less than twenty (20) feet from the top of the stream bank unless certification by a
Florida registered professional engineer is provided demonstrating that such
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7. encroachments shall not result in any Increase in flood levels during the occurrence of
L the base flood discharge. ;'5na
(b) New construction or substantial improvements of structures shall be
elevated or flood-proofed to elevations established by the building official utilizing
data available from a federal, state or other source. (4) Standards for subdivision proposals. NO,
:?. All proposed subdivisions, including but not limited to manufactured home parks and subdivisions and other proposed developments comprised of at least fifty (50) lots ? r
or five (5) acres, or both, shall be reviewed by the city engineer to determine that the following requirements have been or will be satisfied: (a) All subdivision proposals shall be consistent with the need to minimize
flood damage;
t:R •
(b) All subdivision proposals shall have public utilities and facilities, such as ,
sewer, gas, electrical and water systems, located and constructed so as to minimize 4
flood damage;.
y
:F (c) All subdivision proposals shall have adequate drainage provided so as to
reduce exposure to flood hazards; and
' (d) Base flood elevation data shall be provided.
(5) Standards for areas of shallow flooding (AO zones).
Located within the areas of special flood hazard are areas designated as shallow3 4
1,
flooding areas. Because these areas havespecial flood hazards associated with base}
flood depths of one to three feet (1' -- 31) where a clearly defined channel does not exist
and where the path of flooding is unpredictable and Indeterminate, the following
standards are required: (a) All new construction and substantial improvements of residential k?
1 L L ??? ??b
;F structures shall have the lowest floor, Including basement, elevated to the depth
'_ 13-
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number specified on the Flood Insurance Rate Map, in feet, above the highest adjacent
grade. If no depth number Is specified, the lowest floor, including basement, shall be
elevated at least two (2) feet above the highest adjacent grade.
(b) All new construction and substantial improvements of non-residential
structures shall:
1. Have the lowest floor, including basement, elevated to the depth number
specified on the Flood Insurance Rate Map, In feet, above the highest adjacent grade.
If no depth number is specified, the lowest floor, including basement shall be elevated
at least two (2) feet above the highest adjacent grade; or
2. Together with attendant utility and sanitary facilities, be completely
flood-proofed to or above that level so that any space below that level is watertight
with walls substantially impermeable to the passage of water and with structural
components having the capability of resisting hydrostatic and hydrodynamic loads and
effects of buoyancy.
See. 146.10. Variances.
(1) The Board of Adjustment and Appeals shall hear and decide appeals and
requests for variances from the requirements of this chapter.
(2) The board shall hear and decide appeals when it is alleged there is an error
in any requirement, decision or determination made by the building official in the
enforcement or administration of this chapter.
(3) Variances may be granted for the reconstruction, rehabilitation or
restoration of structures listed on the National Register of Historic Places or the
State Inventory of Historic Places, If the proposed reconstruction, rehabilitation or
restoration will not result in the structure losing its historical designation.
r?
(4) In passing upon such applications, the board shall consider all technical
evaluations, all relevant factors, all standards specified in other sections of this
ordinance, and:
1. The danger that materials may be swept onto other lands to the injury of
others;
2. The danger to life and property due to flooding or erosion damage;
3. The susceptibility of the proposed facility and its contents to flood damage
and the effect of such damage on the owner;
4. The importance of the services provided by the proposed facility to the
community;
-14-
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' - 5. The necessity of the facility to a waterfront location, in the case of a s'
YF functionally dependent facility;
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8. The availability of alternative locations, not subject to flooding or erosion
damage, for the proposed use; '
7. The compatabillty of the proposed use with existing and anticipated
a development;
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r, $. The relationship of the proposed use to the comprehensive plan and
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t floodplain management program for that area;
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8. The safety of access to the property in times of flood for emergency and
nonemergency vehicles;`;" r
10. The expected heights, velocity, duration, rate of rise and sediment ::xf
transport of the flood waters and the effects of wave action, If applicable, expected at ?.;
the site; and e?raf ???NR??
11. The costs of providing governmental services during and after flood
conditions including maintenance and repair of public utilities and facilities such as
sewer, gas, electrical and water systems, and streets and bridges.
' (5) Conditions for variances:
(a) Variances shall only be issued upon a determination that the variance is the
minimum necessary, considering the flood hazard, to afford relief; and in the instance,:. M•
of a historical building, upon a determination that thef variance is the minimum
?•'?•, necessary so as not to destroy the historic character and design of the building. ? ?`•
(b) Variances shall only be issued upon a showing of good and sufficient cause, ?? . , .
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a determination that failure to ant the variance would result In unnecessary and
#«' exceptional hardship, and a determination that the granting of a variance will not .
result in increased flood heights, additional threats to public safety, extraordinary , - .
" public expense, the creation of a nuisance, or a conflict with existing local laws or r A 4
1?)i k
ordinances. z
(c) Variances shall not be issued within any designated floodway if any : v
increase in flood levels during the base flood discharge would result.
(6) Upon consideration of the factors listed above, and the.purposes of this
:Jl?
chapter, the board may attach such conditions to the granting of variances as it deems i-v
necessary to further the purposes of this chapter.
(7) Any applicant to whom a variance Is granted shall be given written notice
•?-_
specifying the difference between the base flood elevation and the elevation to which
the structure is to be built and stating that the cost of flood Insurance will be
' commensurate with the Increased risk resulting from the reduced lowest floor
elevation.
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(8) ' The building official shall maintain the records of all appeal actions and
shall report any variances to the Federal Emergency Management Agency upon
request. Section 146.11. Interpretation.
In the interpretation and application of this chapter all provisions shall be
considered as minimum requirements and deemed neither to limit nor repeal any other
powers granted under Florida laws.
r
Section 146.12. Warning and diselaimer of liability.
The degree of flood protection required by this chapter is considered reasonable
for regulatory purposes and is based upon scientific and engineering considerations.
Larger floods can and will occur on rare occasions. Flood heights may be increased by
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man-made or natural causes. This chapter does not imply that land outside the areas
of special flood hazard or uses permitted within such areas will be free from flooding
T
or flood damages. This chapter shall not be deemed to create liability on the part of
the City of Clearwater or any officer or employee thereof for any flood damages that
may result notwithstanding reliance on this chapter or any administrative decision
made thereunder.
Section 146.13. Penalties for violation. }.
A failure to comply with the provisions of this chapter or any of its
r•
requirements, including conditions and safeguards established in connection withcri
grants of variances, shall constitute a violation. Any person who violates this chapter
or fails to comply with any of its requirements shall, upon a finding of such violation,
{ be fined not more than $500.00. Each day a violation continues shall be considered a s'
separate offense. Nothing contained herein shall prevent the City from taking such
• • • Y»ii
.? other lawful action as is necessary to prevent or remedy any violation. -'?
• Section 2. Sections 146.01, 146.02, 146.03, 146.04, 146.05, 146.06, 146.07 and
R
146.06, Code of Ordinances, are repealed.
Section 3. This ordinance shall take effect immediately upon adoption.
y?$•, it Ls
' PASSED ON FIRST READING March 19, 1987 AS AMENDED q;F
PASSED ON SECOND AND FINAL '
X READING AND ADOPTED 11 2, 1987 } Y
f f ? ,,3
c Attest: Mayor-Commissioner
C ty, lerk
+ Approved 'ss to form
and correctness:
City Attorney
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