HomeMy WebLinkAboutORDINANCE - 503 - 10/24/1967 - REGULATE BLDG/STRUCTURESORDINANCE NO.
AN ORDINANCE REGULATING BUILDINGS AND
STRUCTURES WITHIN THE FLOOD PLAIN
WHEREAS, there are area; of the Village subject to
periodic flooding with resulting hazard to persons and
property from run-off storn and flood waters; and
WHEREAS, it is deemed necessary to avoid or
lessen the damage thereby resulting by prescribing
reasonable rules and regulations for said purpose.
NOW, THEREFORE, BE IT ORDAINED by the Village of
Elk Grove Village, Counties of Cook and'DuPage, Illinois:
Section 1: That every tract of land within the
corporate limits of Elk Grove Village shall be subject
to the flood plain regulations set forth herein.
Section 2: Definitions.
"Flood Plain Areas" are those ares delineated upon
maps entitled Floods in the Palatine, Arlington Heights,
Lombard, and Elmhurst Quadrangles prepared by the Department
of the Interior, United States Geological Survey in
cooperation with the Northeastern Illinois Planning Commission
as having been covered with water from a stream or water
course at the time of the highest flood of record shown
thereon.
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"Flood Base Elevation" is the elevation of the highest
flood of record, as indicated on the Hydrologic Investigation
Atlas as prepared by the United States Geological Survey
in cooperation with the Northeastern Illinois Area Planning
Commission. Flood base elevations at intermediate
locations shall be interpolated along the water course
between the two nearest flood base elevations, one each
upstream and downstream. The controlling flood base
elevation for any building site shall be the same as the
flood base elevation at the nearest point of the water
course as measured on a line perpendicular to the direction
of the water course.
Section 3: Minimum Building Elevation Above Recorded
Flood Level.
No new building or structure shall be erected upon or
existing building or structure moved within an area which
has been designated as a flood plain area unless the
elevation of the top of the foundation of said structure
is not less than two and one-half feet (2�') above the
highest recorded flood level as shown on the aforementioned
map. Basements, cellars, or crawl spaces shall be of
structurally adequate poured in place concrete with no
openings below the highest recorded flood level plus six
inches, all in accordance with the existing building code
of Elk Grove Village.
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Section 4: Drainage Easements.
Where the drainage plan for a site within an area
designated as a flood plain area requires rear or side lot
drainage easements, such easements shall be centered on
lot lines and shall be a minimum of ten feet (10') in
width and, with the exception of utility facilities, no
structures shall be placed in these drainage easements.
The elevation of the ground for a minimum distance of five
feet (51) immediately surrounding any building or structure
erected or moved within a flood plain shall be at an
elevation which is not less than one foot (1') above the
Flood Base Elevation for the site and shall be sloped to
drain away from the walls for a distance of at least
five feet (5').
Section 5: Elevation of Streets Above Recorded
Flood Level.
The elevation of the finished surface at the center
line of any new or resurfaced street, access drives and
driveways, lying within an area designated as a flood
\: plain area, shall not be less than one foot (1') above the
highest recorded flood level as shown on the aforementioned
maps.
Section 6. Existing Streams and Channels; Easements.
Existing streams and floodwater run-off channels are
to be retained either in their present location or in
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locations approved by the Village Engineer. Floodway
easements of at least twenty feet (20') wide shall be
provided and shown on the plat of subdivision or survey
at time of application for building permit. The easement
shall permit necessary public channel maintenance and
improvement work and access of equipment therefor but
shall prohibit buildings, fences and other obstructing
structures thereon by the owner.
Section 7: Sanitary Sewer Construction.
All sanitary sewer manholes constructed within an
area designated as a flood plain area must have rim
elevations two and one-half feet (21-2') above the highest
recorded flood level as shown on the aforementioned maps
or they must be provided with water -tight covers.
Ground water or surface water connections are
prohibited from being connected into the sanitary sewer
system.
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Section 8: When the building wall encloses open
space that is below the flood plain elevation, low level
gravity building drain connections are prohibited and
overhead sewers are required.
Section 9: No building permit shall be issued by
the Village of Elk Grove Village except when the buildings
or structures comply with provisions hereof.
Section 10: The foregoing regulations may be superceded
by ordinances of amendment provided, however, that the
President and Board of Trustees shall not consider same
unless:
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1, The applicant submits a plan for an alternative
solution which will remove all buildings from
the threat of damage from floods shown on the
maps referred to herein and also which will
not restrict the run-off of the flood.
2. Submits performance bonds and monetary escrows
sufficient in amount and nature so as to guarantee
the instrumentation of said plan. The village
Manager, upon the advise of the Village Engineer
and Attorney, shall determine the amount and form
of same.
Section 11: Any person, firm or corporation constructing
a building in violation of provisions hereof shall be fined
not less than $25.00 nor more than $500.00 and each day that
said structure or building is continued in violation shall
be deemed a separate and distinct offense.
Section 12: That this ordinance shall be in full force
and effect from and after its passage, approval and publication
according to law.
PASSED
APPROVED
ATTEST:
Village Clerk
this,2�/'� day of Cir. ii:- 1967.
this`4�'� day of 1967.
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PUBLISHED this• l - day of ��. // 1967 in the Elk
Grove Herald and DUPage County Register.
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