87-9186 Zoning Regulations(Published in The Salina Journal May IS , 1987)
ORDINANCE NUMBER 87-9186
AN ORDINANCE REQUIRING FULLY ENCLOSED AREAS BELOW THE
BASE FLOOD ELEVATION TO BE DESIGNED TO ALLOW FOR THE AUTOMATIC
ENTRY AND EXIT OF FLOODWATERS TO EQUALIZE HYDROSTATIC FLOOD
FORCES: SUBSTITUTING THE TERM "MANUFACTURED HOME" FOR "MOBILE
HOME"; REQUIRING ALL MANUFACTURED HOMES PLACED OR SUBSTANTIALLY
IMPROVED WITHIN ZONES Al - 30, AH AND AE TO BE ELEVATED ON A
PERMANENT FOUNDATION SUCH THAT THE LOWEST FLOOR OF THE
MANUFACTURED HOME IS AT OR ABOVE THE BASE FLOOD ELEVATION;
AMENDING SECTION 42-442 OF THE SALINA CODE AND REPEALING THE
EXISTING SECTION.
Kansas:
BE IT ORDAINED by the Governing Body of the City of Salina,
Section 1. That Section 42-442 of the Salina Code is hereby amended
to read as follows:
"Sec. 42-442. Standards for the floodway fringe overlay
district.
(a) New construction or substantial improvements of
residential structures shall be required to have the
lowest floor, including basement, elevated to or above
the base flood elevation or (only within Zones Al to A30
(6) A registered professional engineer or architect
shall certify that the floodproofing measures used
in the structure satisfy the standards of this
subsection. This certification shall include the
specific elevation (in relation to mean sea level) to
which the structure is floodproofed.
or AH on the City's FIRM), floodproofed to at least one
The bottom of the lowest basement openings, such
foot above the base flood elevation. Any basement
area, together with attendant utilities and sanitary
facilities, below that level shall be designed and
(1) foot above the 100 -year base flood elevation;
constructed so that the structure is watertight with
(2)
walls that are impermeable to the passage of water
without human intervention. Basement walls shall be
feet below the floodproofed design elevation.
built with the capability to resist hydrostatic and
(3)
hydrodynamic loads and the effects of buoyancy
resulting from the 100 -year frequency flood and shall
filled at least to the 100 -year base flood elevation;
be designed so minimal structural damage will occur if
this design is exceeded. The floodproofed design
elevation is the 100 -year base flood elevation plus one
Floodproofed basements may not be constructed
(1) foot.
(6) A registered professional engineer or architect
shall certify that the floodproofing measures used
in the structure satisfy the standards of this
subsection. This certification shall include the
specific elevation (in relation to mean sea level) to
which the structure is floodproofed.
(1)
The bottom of the lowest basement openings, such
as doors and windows, must be placed at least one
(1) foot above the 100 -year base flood elevation;
(2)
The basement floor must not be lower than five (5)
feet below the floodproofed design elevation.
(3)
The land around the entire foundation must be
filled at least to the 100 -year base flood elevation;
and
(4)
Floodproofed basements may not be constructed
within the floodway.
(5)
Basements constructed in accordance with this
regulation shall not be used for sleeping purposes.
(6) A registered professional engineer or architect
shall certify that the floodproofing measures used
in the structure satisfy the standards of this
subsection. This certification shall include the
specific elevation (in relation to mean sea level) to
which the structure is floodproofed.
(7) The Zoning Administrator shall certify that the
structure has been built in accordance with this
design.
(b) New construction or substantial improvements of
nonresidential structures shall be required to have the
lowest floor, including basement, elevated to or above
the base flood elevation or, together with attendant
utility and sanitary facilities, to be floodproofed so that
below one foot above the base flood level the structure
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 the effects of buoyancy. A registered
professional engineer or architect shall certify that the
standards of this subsection are satisfied. Such
certification shall be provided to the Zoning
Administrator as set forth in Section 42-435(b)(7).
(c) All new construction and substantial improvements that
have fully enclosed areas below the lowest floor that are
at or below elevations subject to flooding shall be
designed to automatically equalize hydrostatic 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:
(1) 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 shall be
provided;
(2) the bottom of all openings shall be no higher than
one foot above grade; and
(3) openings may be equipped with screens, louvers,
or other coverings or devices provided that they
permit the automatic entry and exit of floodwaters.
(d) Within All zones adequate drainage paths around
structures on slopes shall be required in order to guide
floodwaters around and away from proposed structures.
(e) All manufactured homes shall be anchored to resist
flotation, collapse, or lateral movement by providing
over -the -top and frame ties to ground anchors.
(f) All manufactured homes to be placed or substantially
improved within Zones Al - 30, All and AE on the City
of Salina's FIRM shall be elevated on a permanent
foundation such that the lowest floor of the
manufactured home is at or above the base flood
elevation and be securely anchored to an adequately
Specific requirements shall be that:
(1)
over -the -top ties be provided at each of
the four
corners of the manufactured home,
with two
additional ties per side at intermediate
locations
and manufactured homes less than fifty
(50) feet
long requiring one additional tie per side;
(2)
frame ties be provided at each corner of
the home
with five additional ties per side at intermediate
points and manufactured homes less than
fifty (50)
feet long requiring four additional ties
per side;
(3)
all components of the anchoring system be capable
of carrying a force of 4,800 pounds; and
(4)
any additions to the manufactured
home be
similarly anchored.
(f) All manufactured homes to be placed or substantially
improved within Zones Al - 30, All and AE on the City
of Salina's FIRM shall be elevated on a permanent
foundation such that the lowest floor of the
manufactured home is at or above the base flood
elevation and be securely anchored to an adequately
anchored foundation system in accordance with the
provisions of Section 42-442(e).
(g) No manufactured home shall be placed in a floodway
except in an existing manufactured home park or
manufactured home subdivision."
Section 2. That the existing Section 42-442 of the Salina Code is
hereby repealed.
Section 3. That this ordinance shall be in full force and effect from
and after its adoption and publication once in the official city newspaper.
Introduced: May 4, 1987
Adopted: May 11, 1987
iA" —
Stephen C. Ryan, Mayor
[SEAL]
ATTEST:
D. L. Harrison, City Clerk
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