HomeMy WebLinkAbout0226_225ORDINANCE 84-16., �. Z.Z'-5
AN ORDINANCE ADOPTING A STORM WATER DRAINAGE POLICY;
SHOWING APPLICABLE TO THE CITY OF GEORGETOWN AND TO
ALL OTHERS WITHIN irs UTILITY SERVICE AREA, PROVIDING
FOR REJIE4 OF PLANS, AND PROVIDING AND CONTAINING
SEVERABILITY CLAUSE, AND DECLARING AN EMERGENCY
BE Ir ORDAINED by the City Council, City of Georgetown,
Texas that the City of Georgetown hereby adopts.and establishes
the policies for storm water drainage planning and management as
follows;
I.
GENERAL POLICIES
Storm drainage facilities should be designed in compliance
with the provisions of the drainage criteria manual of the City
of Austin, Section 2 through 9 and errata sheets dated July 21,
1977 and as amended from time to time. In case of conflict
between City of Georgetown Ordinances and manual content, City of
Georgetown Ordinances shall prevail.
II.
DRAINAGE AND STORM SEWERS
Adeluate drainage shall be provided within the limits of the
property. The protection of adjoining property from any increase
in runoff is mandatory. However City may allow a variance for
runoff which does not exceed 108 of the existing condition Up to
a maximum of five (5) cubic feet per second if so doing will not
adversely affect adjoining property. The City reserves the right
to eliminate the detention requirement for properties adjacent to
major rivers when in the judgement of the City Engineer such
elimination would result in a decrease in the peak flood flow .
Drainage and storm sewer plans shall be certified by a
Registered Professional Engineer and approved by the City
Engineer. Review and approval shall in no manner make the City
liable for defects in such plans. 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