HomeMy WebLinkAbout90-55 APRIL 19, 1990 MAY 3, 1990 #90-4 #90-55 ORDINANCE
FIRST READING SECOND READING
(CARRIED LOST LAID OVER WITHDRAWN )
PURPOSE: AMEND SUBDIVISION REGULATIONS
INITIATED BY: DEPARTMENT OF COMMUNITY DEVELOPMENT
PLAN COMMISSION RECOMMENDATION: Approved 9-0
A GENERAL ORDINANCE OF THE CITY OF OSHKOSH AMENDING VARIOUS SECTIONS
OF THE SUBDIVISION REGULATIONS PERTAINING TO STORM DRAINAGE
The Common Council of the City of Oshkosh do ordain as follows:
SECTION 1 : That Section 30-69(H) Design Standards , Storm Drainage
and Grading Plan, be repealed and recreated as follows :
(H) Storm Drainar?e and Gradin� Plan. To minimize off-site storm
water runoff from the subdivision and to ensure positive
drainage from all lots within each proposed block, the
subdivider shall submit , at the time of preliminary plat
review, a storm drainage and grading plan for the subdivision
as-a-whole and for each block within the proposed
subdivision. This drainage plan shall include the final
grade elevations to be maintained along rear lot lines .
This plan shall be prepared so that storm water runoff from
the subdivision as-a-whole is in compliance with provisions
of Article II of Chapter 24 of the Oshkosh Municipal Code .
Design shall be based on environmentally sound site planning
and engineering techniques . The best available technology
shall be used to minimize off-site storm water runoff,
increase on-site infiltration, encourage natural filtration
functions , simulate natural drainage systems , and minimize
off-site discharge of pollutants to ground and surface water.
Best available technology may include measures such as
retention basins , recharge trenches , porous paving and
piping, contour terraces , and swales .
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APRIL 19 , 1990 #90-4 #90-55 ORDINANCE (cont'd)
h;AY :�, 1990
Should the approved drainage plan require any grading or the
installation of storm water drainage facilities within any
block or blocks, the subdivider shall cause such grading or
other improvements to be installed at his expense at the same
time the subdivision roads are being graded. To ensure
compliance with the approved drainage plan, a covenant shall
be included on the face of the final plat referring to the
drainage plan and requiring compliance therewith.
At the time of final plat review, the subdivider shall submit
one ( 1 ) mylar copy of the drainage and grading plan, drawn on
the same sheet size as the firial plat , to the Department of
Public Works.
SECTION 2 : That Section 30-70(C ) ( 5 ) Required Improvements for
Subdivisions, Storm Sewers, be repealed and recreated as follows :
( 5 ) Storm Sewers and Draina�e Facilities. Storm sewers and other
storm drainage facilities called for in the storm drainage
and grading plan shall be constructed with the necessary
facilities throughout the entire subdivision. Storm sewers
shall be separate and independent of the sanitary sewer
system, and shall provide an adequate outlet or connection
to the storm sewer system of the City. When storm sewers are
not installed, adequate facilities for the removal of surface
, water shall be provided throughout the entire subdivision, as
reflected in the storm drainage and grading plan.
The subdivider shall assume the cost of installing all storm
sewers up to an amount not to exceed the amount of lot front
footage (measured at the building line ) multiplied by five
dollars for all storm sewers installed in public streets. If
storm sewers are required which cost more than this amount ,
the excess cost shall be borne by the City of Oshkosh if the
plat is located within the City' s corporate limits . The
size , type , and installation of all storm sewers shall be in
accordance with plans and specifications approved by the
Department of Public Works . All other storm drainage
facilities called for in the storm drainage and grading plan
shall be the sole responsibility of the subdivider.
Unless otherwise waived in the approved storm drainage and
grading plan, all new subdivisions approved for development
within the City of Oshkosh shall be required by the Common
Council to install storm sewer laterals and extensions from
the storm sewer with laterals extending therefrom for each
building. Prior to occupancy of any of saicl� buildings, the
sump pump system shall be connected to the available storm
sewer lateral. Cost for extensions shall be borne by the
developer/subdivider and shall be in addition to the five
dollar fee imposed by this subparagraph ( 5 ) .
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APRIL 19 , 1990 #90-4 #90-55 ORDINANCE (cont'd)
MAY '.:;, 1990
On lots that abut navigable waterways , such as channels ,
rivers or lakes , this regulation shall not apply if the sump
water drainage system is designed to direct sump water into
said navigable waterway.
The City of Oshkosh will not participate in any costs
associated with the installation of storm sewer improvements
in plats located within the City' s extraterritorial plat
approval area.
SECTION 3 . This Ordinance shall be in full force and effect from
and after its passage and publication.
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