HomeMy WebLinkAbout0473_468468 ORDINANCE 83-11
AN ORDINANCE AMENDING THE CITY OF GEORGETOWN
SUBDIVISION ORDINANCE OF MAY 10, 1977, AS AMENDED, BY
AMENDING SECTIONS 4.03, 7.d.; 4.04, 2.c.; AND 5.07,
3. , ESTABLISHING THE METHOD FOR CALCULATION OF T H E
100 YEAR FLOOD PLAIN, REQUIRING SAID FLOOD PLAIN TO
BE SHOWN ON SUBDIVISION PLATS, AND PROVIDING THE
METHOD FOR CALCULATING RAINFALL RUNOFF, AND DESIGN OF
CHANNELS, CULVERTS, STORM SEWERS AND DETENTION
FACILITIES.
WHEREAS, the City of Georgetown enacted an ordinance
regulating subdivision and resubdivision of land for the purpose
of development within the City limits and its extraterritorial
jurisdiction on May 10, 1977; and
WHEREAS, certain provisions of said ordinance have been
amended since said date; and
WHEREAS, the enactment and passage of this ordinance is
imperative for the orderly and timely development of land under
the jurisdiction of the City of Georgetown; now therefore
BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF GEORGETOWN
that the following sections of the subdivision ordinance of the
City of Georgetown are amended to read as follows:
Section 4.03, 7.d.
"The one hundred year flood plain, based on fully
developed conditions within the watershed area, shall
be calculated in accordance with the 100 year design
flood as calculated in accordance with the City of
Austin Drainage Criteria Manual and shall be shown or.
the plat and certified by a Registered Professiona.
Engineer. Supporting information to verify the
location of said flood plain shall also be furnished."
Section 4.04, 2.c.
"The one hundred .year flood plain, based on fully
developed conditions within the watershed area, shale
be calculated in accordance with the 100 year design
flood as calculated in accordance with the City of
Austin Drainage Criteria Manual and tshall be shown on
the plat and certified t:y a Registered Professiona
Engineer."
Section 5.07, 3.
"Adequate drainage shall be provided within the limits
of the subdivisions. The protection of adjoining
property from any increase in runoff is mandatory and
shall be considered in the review of the drainage and
storm sewer plans. Drainage and storm sewer plans
shall be certified by a Registered Professional
Engineer and approved by the City Engineer. City of
Austin Drainage Criteria Manual will be used for all
calculations relative to rainfall runoff quantities,
and the design of channels, culverts, storm sewers and
detention facilities. The owners of the tracts upon
which are located such easemei:ts, appurtenances, and
detention facilities shall maintain same and be