HomeMy WebLinkAboutORD 2000-23 - Subdivision Urban DesignORDINANCE NO. 4::;?P00 -a3
AN ORDINANCE OF THE CITY OF GEORGETOWN, TEXAS, AMENDING THE SUBDIVISION
REGULATIONS OF THE CITY OF GEORGETOWN, TEXAS, TO AMEND SECTION 33057, WITH
REGARD TO LIGHTING FOR MULTI -FAMILY AND COMMERCIAL USES AND SECTION 37000
WITH REGARD TO LANDSCAPING AND BUFFERING, TOGETHER WITH ALL SYMBOLS,
MARKINGS, DIAGRAMS, PICTURES AND TABLES IN THE ORDINANCE; REPEALING
CONFLICTING ORDINANCES AND RESOLUTIONS; INCLUDING A SEVERABILITY CLAUSE;
INCLUDING A PENALTY FOR VIOLATION; A SUNSET CLAUSE; AND ESTABLISHING AN
EFFECTIVE DATE.
WHEREAS, in accordance with the Constitution and laws of the State of Texas, including
particularly the Local Government Code, Chapter 212, Municipal Regulation of Subdivisions and
Property Development; and in accordance with the Charter of the City of Georgetown, Texas,
hereinafter referred to as "City", the City is authorized to develop regulations for the subdivision
and development of land in the territorial jurisdiction of the City, including the corporate limits,
extraterritorial jurisdiction and other areas as permitted by law; and
WHEREAS, the "Subdivision Regulations of the City of Georgetown", hereinafter
referred to as "Regulations", were initially adopted by the City Council of the City of Georgetown
on February 14, 1988, and have been periodically revised since that date; and
WHEREAS, the City Council reviewed the proposed revisions and recommended that a
public hearing be held to consider adding the amended standards to the City's development
regulations for development in the territorial jurisdiction of the City of Georgetown, including the
corporate limits, extraterritorial jurisdiction and other areas as permitted by law; and
WHEREAS, the Planning and Zoning Commission held a public hearing on the proposed
standards on January 12, 2000 and voted to recommend their approval to the City Council;
NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF
GEORGETOWN, TEXAS, THAT:
SECTION 1. The facts and recitations contained in the preamble of this ordinance are
hereby found and declared to be true and correct, and are incorporated by reference herein and
expressly made a part hereof, as if copied verbatim. The City Council hereby finds that this
ordinance implements the following policies of the Century Plan - Policy Plan Element:
1. Growth and Physical Development Policy 8.0, which states "Citizens, business owners
and organizations enjoy the benefits of well-planned land usage in which conflicting
needs are balanced ; and
2. Urban Design Policy 11.00 which states "Georgetown's citizens and businesses enjoy
an attractive community with a unique sense of place and a positive, identifiable image,
at a cost which is consistent with other City social and economic priorities'
and further finds that the enactment of this ordinance is not inconsistent or in conflict with any
other Century Plan Policies, as required by Section 2.03 of the Administrative Chapter of the
Policy Plan. _
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SECTION 2. The amendments to Section 33057 with regard to lighting for multi -family
and commercial uses and those to Section 37000 with regard to landscaping and buffering,
which were the subject of a January 12, 2000 Planning and Zoning Commission Public Hearing,
are incorporated by reference.
SECTION
3. All ordinances and resolutions,
or parts
of ordinances and
resolutions, in
conflict with this Ordinance
are hereby
repealed, and
are no
longer of any
force
and effect.
SECTION 4. If any provision of this ordinance or application thereof to any person or
circumstance, shall be held invalid, such invalidity shall not affect the other provisions, or
application thereof, of this ordinance which can be given effect without the invalid provision or
application, and to this end the provisions of this ordinance are hereby declared to be severable.
SECTION 5. Any person(s) or firm or corporation who shall violate any provision of this
ordinance, or shall fail to comply therewith, shall be deemed guilty of a Class C misdemeanor,
and upon conviction thereof, shall be punishable. Each day a violation shall continue shall be
deemed to be a separate offense to the maximum fine allowed by State law for Class C
misdemeanors.
SECTION 6, Sunset Provision. Unless subsequent action extends the application and
enforcement of the amendments contained in the attached regulations, the amendments shall
expire six (6) months after the effective date of this ordinance.
SECTION 7. The Mayor is hereby authorized to sign this ordinance and the City
Secretary to attest. This ordinance shall become effective and be in full force and effect in (10)
ten days on and after publication in accordance with provisions of the City Charter of the City of
Georgetown.
PASSED AND APPROVED on First Reading on the 11 day of April, 2000.
>.
PASSED AND APPROVED on Second Reading on the day of April, 2000.
ATTEST
Sandra D. Lee '
City Secretary
ROVED AS TO FORM:
Marianne Landers Banks
City Attorney
SubRegs Revision - ordinance No. 4000 o?3
Page 2 of 2
j E CITY OF GEORGETOWN:
`lee
By: MARYELLEN KERSCH
Mayor
10000
GENERAL PROVISIONS
11000
TITLE
These regulations shall hereinafter be known, cited and referred to as the Subdivision
Regulations of the City of Georgetown, Texas, and they shall be a part of the Code of
Ordinances of the City of Georgetown, Texas,
12000
AUTHORITY
These Subdivision Regulations, design standards and improvement requirements for land
development are adopted under the authority of the Constitution and laws of the State of
Texas, including particularly Chapter 212, Municipal Regulation of Subdivisions and
Property Development, of the Local Government Code, as heretofore or hereafter
amended and the provisions of Chapter 43, Municipal Annexation, of the Local
Government Code, as heretofore or hereafter amended. These subdivision regulations,
design standards and required improvements for land development are adopted pursuant
to the provisions of Article I, Section 1.02 of the Home Rule Charter for the City of
Georgetown, Texas.
13000
PURPOSE
Subdivision of land is the first step in the process of urban development. The distribution
and relationship of residential, commercial, industrial and agricultural uses throughout
the community along with the system of improvements for thoroughfares, utilities, public
facilities and community amenities determine in large measure the quality of life enjoyed
by the residents of the community. Health, safety, economy, amenities, environmental
sensitivity and convenience are all factors which influence and determine a community's
quality of life and character. A community's quality of life is of public interest.
Consequently, the subdivision of land, as it affects a community's quality of life, is an
activity whose regulation is a valid function of municipal government. The regulations
contained herein are designed and intended to encourage the development of a quality
urban environment by establishing standards for the provision of adequate light, air, open
space, storm water drainage, transportation, public utilities and facilities, and other
needs necessary for insuring the creation and continuance of a healthy, attractive, safe and
efficient community that provides for the conservation, enhancement and protection of its
human and natural resources. Through the application of these regulations the interests of
the public as well as those public and private parties, both present and future, having
interest in property affected by these regulations are protected by the granting of certain
rights and privileges. By establishing a fair and rational procedure for developing land the
following requirements further the possibility that land will be developed for its most
beneficial use in accordance with existing social, economic and environmental conditions.
These regulations are designed and intended to achieve the following purposes and shall
be administered so as to:
A. Assist orderly, efficient and coordinated development within the
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territorial jurisdiction.
B. Provide neighborhood conservation and prevent the development of
slums and blight.
C.
Harmoniously relate the
development of the various tracts of land to the
existing
community and facilitate
the future development
of adjoining tracts.
D. Provide that the cost of improvements to minimum standards which
primarily benefit the tract of land being developed be borne by the owner or
developers of the tract, and that the cost of improvements to minimum standards
which primarily benefit the whole community be borne by the whole community.
E. Provide the best possible design for each tract being subdivided.
F. Provide the most attractive relationship between the uses of land and
buildings and the circulation of traffic throughout the municipality, having
particular regard to the avoidance of congestion in the streets and highways, and
the pedestrian traffic movements appropriate to the various uses of land and
buildings, and to provide for the proper location and width of streets and
building lines.
G. Prevent pollution of the air, streams, and ponds; to assure the adequacy
of drainage facilities; to safeguard both surface and groundwater supplies; and
to encourage the wise use and management of natural resources throughout the
municipality in order to preserve the integrity, stability, and beauty of the
community and the value of the land.
H. Preserve the natural beauty and topography of the municipality and
ensure appropriate development with regard to these natural features.
I. Reconcile any differences of interest among the subdivider, other
property owners and the City.
J. Establish adequate and accurate records of land subdivision.
K. Implement the Development Plan and other Century Plan elements as
adopted by ordinance.
L. Ensure that public or private facilities are available and will have a
sufficient capacity to serve proposed subdivisions and developments within the
territorial jurisdiction.
A Standardize the procedure and requirements for subdividing property
and submitting plats for review and approval.
N. Protect and provide for the public health, safety and general welfare of
the community.
O. Provide for adequate light, air, and privacy; and secure safety from
fire, flood and other dangers and prevent overcrowding of the land and undue
congestion of population.
P.
Protect the character and the social
and
economic
stability of all
parts
of the
community and encourage the orderly
and
beneficial
development
of all
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parts of the community.
Q. Protect and conserve the value of land throughout the community and
the value of buildings and improvements upon the land; and minimize the
conflicts among the uses of land and buildings.
R. Guide public and private policy and action in providing adequate and
efficient transportation systems, public utilities, and other public amenities and
facilities.
S. Encourage the development of a stable, prospering economic
environment.
T. Minimum standards for development are contained in the City's
Construction Standards and Specifications for Roads, Streets, Structures and
Utilities manual, Zoning Ordinance, the building code and in this ordinance.
However, the Century Plan expresses policies designed to achieve an optimum
quality of development in the urban area. If only the minimum standards are
followed, as expressed by the various ordinances regulating land development, a
standardization of development will occur. This will produce a monotonous
urban setting. Subdivision design should be of a quality to carry out the purpose
and spirit of the policies expressed in the Century Plan and in this ordinance,
rather than be limited to the minimum standards required herein.
In order to carry out the purposes herein above stated, it is hereby declared to be the
policy of the City to consider the subdivision of land and its subsequent development as
subject to the control of the municipality, pursuant to the Century Plan, for the orderly,
planned, efficient and economical development of the City and its territorial jurisdiction.
This Ordinance shall be administered such that:
A. Land to be subdivided and/or developed shall be of such nature,
shape and location that with proper and careful design and development it can be
safely used for building purposes without danger to health or risk of fire, flood,
erosion, landslide or other menace to the general welfare.
B. A final plat shall not be recorded until the necessary public utilities and
facilities and other required improvements exist or arrangements are made for
their provision.
C. Buildings, lots, blocks and streets shall be arranged so as to afford
adequate light, view and air, and to facilitate fire protection, providing ample
access to buildings for emergency equipment.
D. Land shall be subdivided and developed with due regard to topography
and existing vegetation with the object being that the natural beauty of the land
shall be preserved to the maximum extent possible.
E.
Existing features
which would add value to
development
or to the City
as a
whole,
such as scenic
and special
features, both
natural
and man-made,
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15000
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historic sites, and similar assets shall be preserved in the design of the
subdivision whenever possible.
F. Existing or proposed public improvements shall conform to the intent
and provisions of, and be properly related to the policies of the Century Plan and
the Annual Operating Plan of the municipality. These regulations supplement
and facilitate the enforcement of the provisions and standards contained in the
Zoning Ordinance, Building and Housing Code, Century Plan, and the Annual
Operating Plan of the municipality.
JURISDICTION
These Subdivision Regulations shall apply to all subdivisions of land and all land
development activities, as they are both defined herein, and for all property identified in a
deed of record, any part of which are located within the territorial jurisdiction of the City
as established by law in effect at the time of adoption of these Subdivision Regulations or
as may be amended from time to time.
The territorial jurisdiction of the City shall be defined as follows:
A. The corporate limits of the City of Georgetown, Texas; and
B. The extra -territorial jurisdiction of the City of Georgetown, Texas; and
C. Any additional area outside (A) and (B) above as permitted by law and
which has been approved by the Council.
APPLICATION OF REGULATIONS
16010 Subject Developments
A. The provisions of these Subdivision Regulations, including design
standards and improvement requirements, shall apply to the following forms of
land subdivision and development activity:
1. The division of land into two (2) or more tracts, lots, sites or
parcels, any part of which when subdivided shall contain less than forty
(40) acres in area, due to the fact that when land begins to be broken
into parcels of less than forty (40) acres the process of urbanization of
that property is initiated; or
2. All subdivisions of land whether by metes and bounds division
or by plat, that were in existence on or before February 14, 1988, which
were outside the jurisdiction of the City's Subdivision Regulations in
effect at the time said plat or deed was filed in the official records of
Williamson County, Texas, and which subsequently came within the
jurisdiction of the City's Subdivision Regulations through:
a. Annexation; or
b. Extension of the City's extra -territorial jurisdiction; or
C. Adoption of these Subdivision Regulations,
and for which, as of December 31, 1989, the Commission finds that no
substantial investment in public improvements has occurred; or
2.1 All subdivisions of land whether by metes and bounds division
or by plat that were in existence on or after February 15, 1988, which
were outside the jurisdiction of the City's Subdivision Regulations in
effect at the time said plat or deed was filed in the official records of
Williamson County, Texas, and which subsequently came within the
jurisdiction of the City's Subdivision Regulations through:
a. Annexation; or
b. Extension of the City's extra -territorial jurisdiction; or
C. Adoption of these Subdivision Regulations,
and for which by the end of one (1) year from the date of recordation
the Commission finds that no substantial investment in public
improvements has occurred; or
3. The division of land previously subdivided or platted into
tracts, lots, sites or parcels subject to and not in accordance with
adopted City Subdivision Regulations in effect at the time of such
subdividing or platting and having occurred after May 10, 1977; or
4. All subdivisions or plats of land where such subdivision was
within the jurisdiction of the City either on the date said subdivision
plat was recorded in the plat records of Williamson County, Texas, or
on the effective date of this ordinance, whichever is most restrictive,
and:
a. For which a final plat was approved by the City and
filed in the plat records of Williamson County, Texas, on or
before November 9, 1982, and for which, on the effective date
of this ordinance, the Planning Commission finds that no
substantial investment in public improvements has occurred;
or
b. For which a final plat was approved by the City and
filed in the plat records of Williamson County, Texas, on or
after November 10, 1982, and for which, as of December 31,
1989, the Planning Commission finds that no substantial
investment in public improvements has occurred; or
5. The combining of two (2) or more contiguous tracts, lots, sites
or parcels for the purpose of creating one (1) or more legal lots in order
to achieve a more developable site except as otherwise provided herein;
or
6. Any Planned Unit Development for which a building permit,
or plumbing permit, or electrical permit, or flood plain permit, or utility
10000-5
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tap, or certificate of acceptance for required public improvements is
required by the City; or
7. Any Development which is intended to occupy a single tract,
lot, site or parcel where:
A. any new or expanded building or structure to be
located on a legally subdivided tract, lot, site or parcel,
excluding signs and one single family detached residence;
B. any existing developed site when:
i. There is a change in use, or
ii. Two (2) years or more has passed since the
last occupancy of a building on the site,
A change in use shall be defined as occurring when
one of the following conditions is satisfied:
a. The new use of the property
is a use that is first allowed in a
less restrictive zoning classification
than the most recent use; or
b. A rezoning to a less
restrictive zoning district
classification is necessary;
or
C. A change to a higher Century
Plan intensity level
classification is required;
or
d. A larger or additional water
meter (other than for
landscape irrigation) is
necessary to meet the water
service needs of the project.
When either of the conditions outlined in 1 and 2
above occurs, the existing development shall be
upgraded such that one of the design standards
listed below, which should be at least 50%
deficient if such a situation exists, shall be
brought into full compliance with the design
standard.
Design Standard Selections:
• Lighting
• Screening
• Landscaping
• Buffering
• Drainage
• Pedestrian and vehicular access
• Parking lot design
• Number and yype of parking spaces
Impervious coverage
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C, excavation, grading or filling will alter the elevation
or slope of an affected land area of greater than 5,000 square
feet,
d. paving, seal coating or other ground surfacing
application will result in a total area of impervious cover
greater than five thousand (5,000) square feet, where no
attendant structure is built,
and for which a building permit, or plumbing permit, or electrical
permit, or flood plain permit, or utility tap, or certificate of acceptance
for required public improvements is required by the City; or
8. Any:
a. Planned commercial shopping center;
b. Research and development park;
c. Industrial park development; or
d. Manufactured Home Park
for which a building permit, or plumbing permit, or electrical permit, or
flood plain permit, or utility tap, or certificate of acceptance for
required public improvements is required by the City; or
9. The platting of any existing legal deed -divided unplatted lot,
parcel, site or tract; or
10.
The platting of
land
into lots, parcels, sites or tracts each of
which
contains forty (40)
acres
or more; or
11.
Any
plat
having received approval from the Council for which
said
approval
has
expired.
B. The provisions of these Subdivision Regulations as detailed in Section
29040, shall apply to the following forms of land subdivision and development
activity:
1. The dedication, vacation or reservation of any public or
private easement through any tract of land regardless of the area
involved, including those for use by public and private utility
companies; or
2.
The
dedication
or vacation of any street or alley through any
tract
of land,
regardless
of the area involved.
C. There may be occasions when the City Council deems it appropriate to
allow a delay in the implementation of certain elements of these regulations. On
those occasions a development agreement shall be used in accordance with the
City's policy (see Appendix A).
16020 Exemptions
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17000
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The provisions of Sections 23000 through 26000 of these Subdivision Regulations shall
not apply to:
A. Land legally subdivided prior to February 14, 1988, except as otherwise
provided for herein; or
B. Land constituting a single tract, Iot, site or parcel for which a legal deed
of record describing the boundary of said tract, lot, site or parcel was filed of
record in the Deed Records of Williamson County, Texas, on or before May 10,
1977, except as provided by Sections 16010 A.6., A.7. and A.8.; or
C. Sales of land by metes and bounds in tracts of forty (40) acres or more
in area; or
D. Cemeteries complying with all State and local laws and regulations; or
E. Divisions of land created by order of a court of competent jurisdiction;
or
F. Any subdivision of land for which a preliminary plat has been
approved by the City on the effective date of these Subdivision Regulations and
as provided for in Section 16010 A.2. and AA.b., excluding any plat for which
approval has expired; or
G. The combination of two (2) lots for the creation of a more developable
site when:
1. No change in the platted land use category is anticipated;
2. No increase in the density or intensity of use is anticipated as
determined by estimated traffic generation or utility demands; and
3. Offsite stormwater runoff is neither increased nor
concentrated; or
H. The division of an existing legal lot, said division being caused by the
City's acquisition of a part of said legal lot, when the Council finds that the
acquisition by the City is in the best interest of the public health, safety and
welfare of the citizens of Georgetown and its extra -territorial jurisdiction. Upon
the Council so finding, the resulting parcels shall be deemed to constitute legal
lots for the purposes of developing under the requirements of this ordinance and
other applicable City regulations. In creating said division, the Council is
empowered to attach to the resulting parcels such conditions as it finds
reasonable and necessary to offset any adverse effects resulting from the City's
acquisition as a part of the original legal lot, in so far as any such condition is not
contrary to the spirit and intent of the ordinance.
ENFORCEMENT OF REGULATIONS
No subdivision plat may be recorded until a final plat, accurately describing the property
to be conveyed, has been approved in accordance with these Subdivision Regulations and
filed in the Official Records of Williamson County, Texas. Furthermore, no building
permit, or certificate of occupancy, or plumbing permit, or electrical permit, or flood
plain permit, or utility tap or certificate of acceptance for required public improvements
shall be issued by the City:
A. For any parcel or plat of land which was created by subdivision after
the effective date of, and not in conformity with, the provisions of these
regulations; and/or
B. Until,
1. All improvements, as required by these regulations, have been
constructed and accepted by the City of Georgetown, or
2. Assurances for completion of improvements have been
provided in accordance with Sections 28000-28999,
and no excavation or clearing of land, or construction of any public or private
improvements shall take place or commence, within six (b) months preceding the date of
application for any item outlined above, unless in conformity with these regulations
and/or as required in the platting process.
DEFINITIONS
All definitions of words contained herein shall correspond with the most appropriate
definitions appearing in the Oxford English Dictionary unless specifically defined in
Section 70000. When multiple definitions create confusion, the Director shall make the
determination of the most appropriate definition and attach written evidence of any such
determination to the ordinance.
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CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
30000 DESIGN STANDARDS
31000 GENERAL
In addition to the requirements established by these regulations, all subdivisions shall be
designed so as to comply with the intent and provisions of the Zoning Ordinance, building
and housing codes, Century Plan, regulations of the Texas Department of Transportation and
the Texas Department of Health, and any other applicable law or regulation adopted by a unit
of federal, state or local government. The minimum design standards as contained herein
shall provide the basic criteria for evaluating proposed subdivisions. The Commission may,
however, establish reasonable design requirements in excess of the established minimum
standards, or grant variance from those established minimum standards, where by reason of
exceptional topographic, cultural, historic, archaeological, hydrologic, or other physical
conditions of the property to be developed or of an adjacent tract, the strict adherence to
these standards will result in an inappropriate subdivision design.
31010 Urban Design Principles
The quality of design of the Georgetown urban area is dependent on the quality of design of
the individual subdivisions that compose it. Good community design requires the
coordination of the efforts of each subdivider and developer of land within the urban area.
It is intended that the urban area shall be designed as a group of integrated residential
neighborhoods and appropriate commercial, industrial and public facilities. Therefore, the
design of each subdivision shall be prepared in accordance with the principles established
by the Century Plan for land use, circulation, community facilities and public utility services
and in accordance with the following general principles:
A. The neighborhood, as a planning unit, is intended as an area principally for
residential use, and of a size that can be served by one elementary school. Space
for recreational, educational and shopping facilities to serve the residents of the
neighborhood should be provided and designed as an integral part of each
neighborhood. The size of lots and blocks should be designed to provide adequate
light, air, open space, landscaping and off-street parking. The arrangement of lots
and blocks and the street system should be designed to make the most advantageous
use of topography and natural physical features. Tree masses and large individual
trees should be preserved. The system of sidewalks and roadways and the lot layout
should be designed to take advantage of the visual qualities of the area.
B. The components of the street system should in different degrees serve the
separate purposes of access to property and safe, efficient movement of traffic.
Land use types should be served by roadways whose capacity increases in
proportion to the traffic generation of the land use. Design and location of points
of access to property should be appropriate to the volume and speed characteristics
of traffic utilizing the intersection.
C. An open space system throughout the urban area should provide a range
of active and passive recreation opportunities. Park, open space and recreation
facilities should be located with sensitivity to user population, natural features,
traffic generation, and nearby land use.
D. Land use arrangement and design should minimize the difference in
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32000
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intensity between adjacent uses. Step-down patterns of use surrounding major
activity centers, combined with buffering techniques, should ensure that residential
densities are compatible with each other, and that residential development is not
adversely impacted by higher intensity uses.
E. Public utilities and infrastructure should be provided within all
subdivisions in order to ensure the health, safety and well-being of the public.
Utility capacity should be sufficient to meet accepted standards of service to
reasonably anticipated development. Where excess capacity in utility lines or
facilities within a subdivision will further the efficient and desirable extension of
utilities to adjacent property, equitable provision of such capacity is essential to the
orderly growth of the urban area.
F. When any modification, alteration, addition or demolition of a structure
or change in use or occupancy occurs on an existing developed site, it may not be
possible to meet all the standards addressed by these regulations. The specific
circumstances of each such case must be reviewed in an effort to maximize
compliance with these regulations and ensure appropriate subdivision design.
WATERSHED PROVISIONS
32010 Purpose
The watershed provisions contained herein are deemed necessary for the following reasons:
A. Many of the watersheds within the City's jurisdiction contribute
significantly to Georgetown's drinking water supply.
B. Waterways and their associated watersheds within the City's jurisdiction
represent significant and irreplaceable recreational and aesthetic resources and
contribute directly to the City's public health.
C. The continued economic growth of the City is dependent on an adequate
quality and quantity of water, a pleasing natural environment, recreational
opportunities in close proximity to the City as well as the protection of people and
property from the hazards of flooding.
D. All watersheds within the City's jurisdiction, and especially those with
abrupt topography, sparse vegetation, and thin and easily disturbed soil, are
vulnerable to non -point source pollution and sedimentation resulting from
development activities.
E. All watersheds within the City's jurisdiction are undergoing development
or are facing development pressure.
F. If watersheds within the City's jurisdiction are not developed in a sensitive
and innovative manner, their water resources, natural environment, and recreational
characteristics may be irreparably damaged.
G. Protection of critical environmental features such as caves, sinkholes,
springs, canyon rimrocks, and bluffs, is necessary to protect water quality in those
areas most susceptible to pollution.
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
H. The City is the trustee of such water supply and the natural environment
of all watersheds within the City's jurisdiction for existing and future generations
of citizens of the City, as well as for downstream users of the San Gabriel River,
I. The City may adopt additional appropriate development rules and
regulations for the purpose of protection of the watersheds and aquifers within its
jurisdiction as a facet of its overall program for the control and abatement of
pollution resulting from generalized discharges of pollution which are not traceable
to a specific source, such as urban runoff from rainwater; and for the abatement of
the risks related to flooding within the watersheds.
32020 Overview
In order to achieve the purposes in Section 32010, the following sections provide for storm
water management systems.
32030 Compliance
All development plans and subdivision plats submitted to the City shall comply with the
provisions of these regulations and any other applicable regulations; specifically, the City's
Construction Standards and Specifications for Roads, Streets, Structures and Utilities and the
Texas Natural Resources Conservation Commission Rules for the Edwards Aquifer in
Williamson County (31 TAC Subchapter B 313.21-313.30). Those plats of developed
property on which no new structures or additional impervious coverage is planned shall be
exempt from the provisions of Sections 32000-32999.
32040 - 32089 Reserved
32090 Industrial Uses
A. An applicant proposing any industrial use, as defined in the City's Century
Plan, and which is not completely enclosed within a building or buildings, must
provide a pollutant attenuation plan which:
1. Proposes
methods to
capture all surface water
run- off from
developed areas to
contain and
filter pollutants generated
on-site.
2. Controls dust and other particulate matter generated on-site, to
meet the Texas Natural Resource Conservation Commission Standards for
Urban Areas.
B. The design of storage facilities for hydrocarbon or hazardous substances,
including Ieak detection systems, spill containment areas or other control measures
shall meet the following requirements:
1. Underground storage facilities. Facilities for the underground
storage of static hydrocarbon or hazardous substances shall be of double
walled construction or of an equivalent method approved by the Director
of Community Owned Utilities. Methods for detecting leaks
in the wall of the storage facility shall be included in the facility's design
and reviewed prior to issuance of appropriate permits for construction.
2. Above ground storage facilities. Facilities for the above ground
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Revised 1/31/00
storage of static hydrocarbon or hazardous substances shall be constructed
within controlled drainage areas that are sized to capture one and one-half
(1 1/2) times the storage capacity of the facility and that direct any spillage
to a point convenient for collection and recovery. The controlled drainage
area shall be constructed of a material suitably impervious to the material
being stored. Any spillage from such storage facilities shall be removed
from the controlled drainage area for disposal within twenty-four (24)
hours.
C. All transport facilities for hydrocarbons and hazardous substances shall
be approved by the Director of Community Owned Utilities.
32100 Stormwater Management System Requirements
The Commission shall not recommend approval for any plat, plan or subdivision which does
not meet the minimum requirements of this ordinance in making adequate provision for
control of the quantity of stormwater and/or ground water run-off to the benefit of both future
owners of property within the subdivision and other lands within the watershed.
It shall be the responsibility of the subdivider to design and construct a system for the
collection and transport of all stormwater run-off flowing onto and generated within the
subdivision in accordance with:
A. The requirements of these regulations.
B. Chapter 15.44, VII Flood Damage Prevention, of the Georgetown
Municipal Code.
C. Good engineering practices.
D. Approved plans.
E. The principles of stormwater law established by the Texas Water Code.
32101 Basic Design Objectives
In general the stormwater management system shalt be designed and constructed in a manner
which promotes the development of a network of both natural and built drainage ways
throughout the community and so as to:
A. Retain natural flood plains in a condition that minimizes interference with
flood water conveyance, flood water storage, aquatic and terrestrial ecosystems, and
ground and surface water.
B. Reduce exposure of people and property to the flood hazard and nuisance
associated with inadequate control of run-off.
C. Systematically reduce the existing level of flood damages.
D. Ensure that corrective works are consistent with the overall goals of the
City.
E. Minimize erosion and sedimentation problems and enhance water quality.
30000-58
Revised 11/28/96
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
F. Protect environmental quality, social well-being and economic stability.
G. Plan for both the large flooding events and the smaller, more frequent
flooding by providing both major and minor drainage systems.
H. Minimize future operational and maintenance expenses.
I. Reduce exposure of public investment in utilities, streets and other public
facilities (infrastructure).
J.
Minimize the need
for
rescue and relief efforts associated with flooding
and
generally undertaken at
the
expense of the public.
K.
Acquire
and
maintain a combination of recreational and open space
systems
utilizing
flood
plain lands.
L. Preserve natural drainage patterns and limit the amount of impervious
cover so as to prevent erosion, maintain infiltration and recharge of local seeps and
springs, and attenuate the harm of contaminants collected and transported by
stormwater. Overland sheet flow shall be maintained whenever possible and the
dispersion of run-off back to sheet flow shall be a primary objective of drainage
design for the subdivision as opposed to concentration of flows in storm sewers and
drainage ditches.
32102 General Design Requirements
A. The storm drainage system shall be separate and independent of any
sanitary sewer system and its use shall not interfere with the operation and
maintenance of road networks or utility systems.
B. Each lot, site and block within the subdivision shall be adequately drained
as prescribed in the City's Construction Standards and Specifications for Roads,
Streets, Structures, and Utilities. Any use of retaining walls or similar construction
shall be indicated on the preliminary plat and the Director of Community Owned
Utilities may require construction plans.
C. No subdivision shall be approved which would permit building within a
regulatory floodway of any stream or water course. The Commission may, when
it deems necessary for the protection of the health, safety or welfare of the present
and future population, prohibit the subdivision and/or development of any property
which lies within a designated regulatory floodway of any stream or water course.
D. No lot or building site within a subdivision shall derive sole access to a
public street across a waterway unless such access shall be constructed to remain
open under design storm conditions as prescribed in the City's Construction
Standards and Specifications for Roads, Streets, Structures, and Utilities.
E. Areas subject to inundation under design storm conditions shall be
indicated with the nu'=' um floor elevation of each lot so affected on a certified
copy of the preliminary plat submitted for filing. The Commission may, when it
deems necessary for the protection of the health, safety or welfare of the present and
future populations, place restrictions on the subdivision, regarding the design and
use of areas within a drainageway. The Commission shall not approve any
30000-59
Revised 1/31/00
subdivision of land within the floodplain of any stream or water course unless the
applicant demonstrates that the subdivision and all development anticipated therein
will comply with the requirements of this ordinance.
F. Design of all drainage facilities, including streets, inlets, storm sewers,
outfall, culverts and ditches, shall conform with the City's Construction Standards
and Specifications for Roads, Streets, Structures, and Utilities.
G. All facilities shall be designed to intercept, detain and transport the
projected run-off from the twenty-five (25) year frequency storm. Overflow and/or
transport provisions shall be provided for the one hundred (100) year storm.
H. Projected runoff rates for the design of drainage facilities shall be based
on the expected ultimate developed state of the upstream contributing area. Said
ultimate developed state shall be based on the maximum intensity allowable under
existing zoning as applicable, the Century Plan, and approved plans within the
contributing area.
I. All development establishing impervious cover or otherwise modifying an
existing site shall incorporate facilities to prevent any increase in the peak rate of
runoff from a twenty-five (25) year frequency storm. The Director of Community
Owned Utilities may waive this requirement under one or more of the following
circumstances:
1. Approved off-site storage is provided for the required regulation
of peak flows and adequate conveyance of storm water flows from the site
to the off-site storage facility is demonstrated.
2. Development of a one (1), two (2) or three (3) family residential
structure on any legally platted lot creates no more impervious ground
cover than thirty percent (30%) of the gross lot surface area exclusive of
any area within the one hundred (100) year flood plain.
3. Certified engineering data and calculations are presented which
demonstrate the absence of adverse impact on all downstream
conveyances and property between the downstream property line and the
receiving major waterway.
4. Certified engineering data and calculations are presented which
fully describe, explain and justify recommended alternatives to detention.
5. The increase in run-off does not exceed ten percent (10%) of the
existing condition runoff up to a maximum increase of five (5) cubic feet
per second, and said run-off does not affect adjoining property.
6. The property is adjacent to a major waterway and in the
judgement of the Director of Community Owned Utilities, waiver of
detention requirements will not result in an increase in the peak flood flow
of the major waterway.
Waiver of this requirement for any reason shall not relieve the owner of
responsibility under civil law to adjacent and downstream property owners.
J. Design of major drainage ways through a subdivision and major structures
such as box culverts or bridges across a major drainage channel shall be
30000-60
Revised 11/28/96
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
coordinated with the requirements of the Williamson County Health District when
any portion of the subdivision lies outside the City limits, and when applicable, a
letter requesting a local flood plain map amendment from the Federal Emergency
Management Agency (FEMA) shall be provided prior to final construction plan
approval.
K. Drainage Channels.
1. The limits of the twenty-five (25) year and one hundred (100)
year storm event shall be determined for water courses draining twenty
(20) or more acres. Calculations for storm events shall utilize generally
recognized backwater computational methods and actual field channel and
overbank configuration.
2. No importation of fill material or channel modifications shall be
undertaken within the area of the one hundred (100) year flood plain
without written approval of the Director of Community Owned Utilities.
Such approval shall be based upon certified engineering data and
calculations furnished by the applicant.
3. All constructed or modified earthen channels shall be designed
utilizing a side slope of thirty-three percent (33%), or flatter, to allow for
future maintenance and promote adequate slope stability. As a minimum,
all slopes shall be hydromulched, sodded or seeded.
L. Streets and Storm Sewer
1. All street sections shall be in accordance with City standards.
The allowable design drainage capacity for stormwater flow at the gutter
shall be no deeper than the top of the curb.
2. Depth of flow in streets is to be controlled to allowable levels by
modification of crossfall, gradient changes, or the use of curb inlets and/or
curb drains, and storm sewers.
M. Bridges and Culverts
1. All bridge and culvert structures shall be designed to carry and/or
contain the upstream runoff from a twenty-five (25) year storm.
2. Run-off from the one hundred (100) year storm shall not top the
road surface at bridge or culvert crossings for an arterial or collector street
crossing and shall not exceed a depth of six (6) inches on a local street
crossing.
3. All bridge and culvert structures shall be designed such that the
structural integrity of the roadway shall not be diminished by the twenty-
five (25) or one hundred (100) year storm event.
N. Computations, Plans and Construction.
1. Plans and computations for proposed drainage facilities shall be
certified with the seal of the design engineer, and submitted to the Director
30000-61
Revised 1/31/00
of Community Owned Utilities for acceptance prior to approval of
construction plans.
2. Computations for all drainage related design shall be submitted
with the plans for review. Data submitted shall include a drainage area
map, a summary of methodology employed and resulting data, land use
and run-off coefficient assumptions, and other pertinent hydrologic and
hydraulic data.
3. The City shall make such inspections as are deemed necessary to
assure proper installation. Neither the review nor approval of such plans
nor the inspection of the completed work will create any liability on the
part of the City.
4. Following construction, but prior to acceptance of improvements
or issuance of a building permit, the design engineer shall furnish one (1)
set of reproducible "AS BUILT" plans for each project, bearing
certification by a registered professional engineer.
O. Building Permits and Utility Connections
1. Plans submitted for building permits and/or utility connections
other than single family residential or duplex construction and for those
projects already in compliance with this ordinance shall include the
necessary drainage related facilities designed and provided for in
compliance with this ordinance and the City's Construction Standards
and Specifications for Roads, Streets, Structures, and Utilities.
2. Plans and design calculations for all drainage facilities shall be
submitted to the Division of Community Owned Utilities for acceptance
prior to issuance of any permit within the development or subdivision.
P. Drainage Easements
1. General Requirements. Where a subdivision is traversed by a
watercourse, drainage way, channel, or stream, or where a
detention/filtration facility is required, there shall be provided a storm
water easement or drainage right-of-way conforming substantially to the
lines of such watercourse or facility, and of such width and construction
to contain the design storm and required freeboard. When parking lots or
other approved use areas serve a dual function, including detention, those
areas shall be designated on the plat as detention areas. Wherever
possible, it is desirable that the drainage be maintained by an open channel
with landscaped banks having adequate width to contain the volume of
flow generated by the design storm under ultimate development
conditions.
2. Design Requirements
a. Where topography or other conditions are such as to
make impractical the inclusion of drainage facilities within road
"rights-of-way, perpetual unobstructed easements at Ieast fifteen
(15) feet in width for such drainage facilities shall be provided
across property outside the road Iines and with satisfactory
30000-62
Revised 11/28/96
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
access to the road. Easements shall be indicated on the plat.
Drainage easements shall be carried from the road to a natural
watercourse or to other drainage facilities.
b. When a proposed drainage system will carry water
across private land outside the subdivision, appropriate drainage
rights must be secured, documented on the plat, and drawn on the
construction plans.
C. Low-lying lands along watercourses subject to flooding
or overflowing during storm periods shall be preserved and
retained in their natural state as drainage ways except where
modification can be shown to benefit the community and as
approved by the Commission. All development activity within
the regulatory floodplain must comply with City and Federal
Emergency Management Agency (FEMA) floodplain
management regulations.
d. All sedimentation, filtration, detention and/or retention
basins and related appurtenances shall be situated within a
drainage easement. The owners of the tracts upon which are
located such easements, appurtenances, and detention facilities
shall maintain same and be responsible for their upkeep. Notice
of such duty to maintain shall be shown on the plats.
Q. Drainage facilities shall be designed to serve the entire subdivision. In the
case of a short form subdivision, the Commission may approve deferral of design
of drainage facilities, if any are required, to the detailed development plan. For all
other subdivisions, design of drainage facilities shall be completed with other
required construction plans in order to ensure adequate drainage easements and
other reservations on the plat.
R. The requirements set forth herein are not intended to be exhaustive and
wherever it is necessary to make additional requirements in order to maximize the
effectiveness of the drainage plan in question, such requirements shall be made by
the Commission. Variances to these requirements may be allowed pursuant to
Section 31000 of these regulations when said variance will not result in drainage
related problems sought to be prevented by these regulations.
32103 Minimum Criteria for Issuance of Flood Plain Development Permit
Pursuant to Chapter 15.44, Flood Damage Prevention, of the Georgetown Municipal Code,
as it may be amended from time to time, and similar provisions enforced by the Williamson
County Health District, a Flood Plain Development Permit shall be required such that:
A. Development or alteration of the flood plain shall result in no increase in
water surface elevation of the design storm of the waterway.
B. Development or alteration of the flood plain shall not create an
erosive water velocity on or off the site. The mean velocity of stream flow at the
downstream end of the site after development or alteration shall be no greater than
the mean velocity of the stream flow under existing conditions as defined in the
City's Construction Standards and Specifications for Roads, Streets, Structures, and
Utilities.
30000-63
Revised 1/31/00
C. Development or alteration of the flood plain shall be permitted by equal
conveyance on both sides of the natural channel.
D. Relocation or alteration of the natural channel shall not be permitted
without an environmental assessment, including a stream rehabilitation proposal.
E. The toe of any fill shall parallel the natural channel to prevent an
unbalancing of stream flow in the altered flood plain.
F. To insure maximum accessibility to the flood plain for maintenance and
other purposes, and to lessen the probability of slope erosion during periods of high
water, maximum slopes of filled area shall not exceed three (3) to one (1) (3:1) for
fifty percent (50%) of the length of the fill and six (6) to one (1) (6:1) for the
remaining length of the fill. The slope of any excavated area not in rock shall not
exceed four (4) to one (1) (4:1). Vertical walls, terracing and other slope treatments
will be considered if no unbalancing of stream flow results.
G. Whenever feasible, the integrity of the natural waterway channel will be
protected.
H. A landscape plan shall be required, and shall include plans for erosion
control of cut and fill slopes, restoration of excavated areas and tree protection
where possible, both in and below the fill area. Landscaping should incorporate
natural materials (earth, stone, or wood) on cut or fill slopes whenever possible.
I. The effects of existing or proposed public and private improvements shall
be used in determining water surface elevations and velocities.
J. Any alteration of the flood plain shall not cause any additional expense in
current or projected capital improvements, nor should said alteration cause
additional maintenance costs to be incurred by the City.
30000-64
Revised 11/28/96
K9111 1
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
TRANSPORTATION
33010 General
The planning for a thoroughfare system is essential for the continued efficient movement
of people and goods. The City's Century Plan shall serve as a guide for the location and scale
of future collector and arterial streets. The precise alignment of thoroughfares included in
the Plan may be varied to allow adjustments that increase the compatibility of the
right-of-way with natural or man made features such as steep slopes, waterways, wildlife
habitats, neighborhoods, historic structures or existing roadways. No subdivision shall be
approved until conformance to the Century Plan is demonstrated. All streets, driveways, and
parking facilities shall be designed to the City standards set forth herein. Every lot of a
subdivision must have access to public right-of-way accepted by the appropriate
governmental agency. All streets within a subdivision shall be drawn and described on the
plat of record.
Circulation within the urban area shall be provided in accordance with the following design
criteria (note that references to residential neighborhoods and subdivisions apply to
manufactured home parks and subdivisions as well astraditional site -built home
developments):
A. Each subdivision shall provide for the continuation of all arterial streets
and highways as shown on the thoroughfare plan. Arterial streets should be located
on the perimeter of the residential neighborhood.
B. Collector and local streets should be designed to provide access to each
parcel of land within the residential neighborhood and within industrial areas, and
in a manner that will discourage use by through traffic. They should be planned so
that future urban expansion will not require the conversion of minor streets to
arterial routes.
C. Collector streets should be designed to provide a direct route from other
minor streets to the major street and expressway system and to provide access to
public facilities within the neighborhood; however, collector streets should not be
aligned in a manner that will encourage their use by through traffic.
D. Ingress and egress to single family residential properties should be
provided only on local or collector streets.
E. Pedestrian ways should be separated from roadways used by vehicular
traffic. Sidewalks, as set forth in Table 33030-A shall be installed to provide all
residential areas with direct access to all neighborhood facilities, including the
elementary school, parks and playgrounds, churches, and shopping centers.
F. Bicycle lanes and bicycle paths should be separated from vehicular and
pedestrian traffic and should be designed to provide access to major focal points
within and beyond the neighborhood.
G. A site triangle shall be established at all intersections. On local residential
streets the sight triangle shall be based on the curb line, on all other streets it shall
be based on the right-of-way line. The sides of the triangle shall extend for twenty-
five (25) feet along the right-of-way/curb lines from the projected intersection of
said right-of-way/curb lines. Where the right-of-way/curb curves as the intersection
is approached, the tangents at the points of
30000-65
Revised 1/31/00
beginning for the comer curve shall be projected to determine the origination of
the sides of the site triangle. No construction, planting or grading shall be permitted
to impinge on the site triangle between the heights of three (3) and seven (7) feet as
measured from the crowns of the adjacent streets, except as approved by the
Director.
33020 Reserved
33030 Streets and Alleys
All streets shall be designed in conformance with the provisions of this section except where
prohibited by conditions of unusual topography and as varied by the Commission. The
design standards as set forth in Table 33030-A shall be followed in the layout and design of
major and minor streets. Pavement width shall be measured from curb face to curb face.
A. Conformity to Century Plan. The width and location of streets shall
conform to the Century Plan as the Commission and Council may have adopted,
both as to horizontal and vertical alignment and right-of-way widths.
B. Relation to Adjoining Street System. The proposed street system shall
extend all existing major streets and such existing secondary and local access streets
as may be desirable for convenience of circulation.
C. Street Jogs. Where off -sets in street alignment are, in the opinion of the
Commission, unavoidable, such off -sets may be approved, provided the distance
between center lines is not less than one hundred twenty-five (125) feet.
D. Large Lot Subdivision. If the lots in the proposed subdivision are large
enough to suggest resubdivision in the future, or if part of the parent tract is not
platted, consideration must be given to possible future street openings and access
to future lots which could result from such resubdivision.
E. Through Traffic. Local residential streets shall be designed so as to
discourage high speed or through traffic.
F. Topography. The street system shall bear a logical relationship to the
natural topography of the ground.
G. Street Right -of -Way Widths. Right-of-way width shall be measured from
front lot line to front lot line of opposite lots.
1.
Local streets -
shall have a minimum right-of-way
width of sixty
(60) feet
if designed to
a rural standard, and fifty (50) feet
if designed to
an urban
standard.
2. Collector streets - shall have a minimum right-of-way width of
sixty (60) feet.
3. Minor Arterial streets - shall have a minimum right-of-way width
of eighty (80) feet.
4. Major Arterial streets - the width of major arterial streets shall be
determined by the Commission in accordance with the Century Plan.
Major arterial streets with a right-of-way width of less than one hundred
30000-66
Revised 11/28/96
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
(100) feet are to be increased to a width of one hundred (100) feet for a
distance of one hundred fifty (150) feet at the approach to a major street
intersection, with a transition back to normal right-of-way over a distance
of an additional one hundred fifty (150) feet.
H. Horizontal Alignment. The maximum deflection in alignment permitted
without use of curve shall be ten (10) degrees.
I. Arterial Street. Curves in arterial streets shall have a center line radius of
two thousand (2000) feet or more with exceptions to this standard granted only by
the Commission.
J. Collector Street Curves. Curves in collector streets shall have a center line
radius of six hundred (600) feet or more, with exceptions to this standard granted
only by the Commission.
K.
Local Street Curves. Curves in
local streets are to
have a center
line radius
of two
hundred fifty (250) feet or more,
except for loop or partial loop
streets.
L. Reverse Carves. Reverse curves shall be separated by a nunimum tangent
of one hundred (100) feet.
M. Vertical Curves. Vertical Curves shall be designed in accordance with the
City's Construction Standards and Specifications for Roads, Streets, Structures, and
Utilities.
N. Dead End Streets/Cul-de-Sacs
1. Turn arounds are to have a minimum right-of-way radius of fifty
(50) feet for a single family and two (2) family use and sixty (60) feet for
other uses.
2. The maximum length of a dead end street with a permanent turn
around shall be five hundred (500) feet except in conditions of unusual
topography. No more than two hundred (200) projected average daily
trips shall be allowed using ITE standards for any cul-de-sac longer than
two hundred (200) feet.
3. Temporary turn arounds shall be provided at the end of streets
more than four hundred (400) feet long that will be extended in the future.
The following note should be placed on the plat. Cross -hatched area is
temporary easement for turn around until street is extended (give
direction) in a recorded plat.
30000-67
Revised 1/31/00
Table 33030-A Design Standards for Streets
^Except that streets in Manufactured Home Parks can be a minimum of 28'.
' Except those required by Section 33030 X.
O. Street Intersections
1. Angle of intersection. Except where existing conditions will not
permit, all streets, major and minor, shall intersect at a ninety (90) degree
angle. Variations of more than ten (10) degrees on minor streets and more
than five (5) degrees on major streets must first be approved by the
Commission.
2. Radius at corners. All local and collector street comers shall
have fifteen (15) foot radii except acute corners which shall have a radii
of twenty-five (25) feet. Arterial streets shall have minimum comer radii
of twenty-five (22 5) feet. No buildings, signs or parking shall be allowed
in the area between the corner curves and the chord connecting the ends
of the curves except as approved by the Commission.
3. Center line tie with existing streets. Each new street intersecting
with or extending to meet an existing street shall be tied to the existing
street on center line with dimensions and bearings to show relationship.
30000-68
Revised 11/28/96
MAJOR STREETS
MINOR STREETS
Freeway
Major
Major
Minor
Collector
Local
Arterial
Arterial
Arterial
Divided
Undivided
Length
Continuous
Continuous
Continuous
I+
112
1110
(miles)
Median
Varies
20'-40'
None
None
None
None
Width
Speed
55
40-45
35-45
35-45
30-35
20-30
Right -of -Way
Varies
100'-140'
80'-120'
80'-100'
60'-8(Y
607rural
50'/urban
Traffic
12' Lane
I I' Lane
11' Lane
40-44'
36'-40'
30'^
Lanes/Width
Driveway
Access
Separation -
Not Allowed
Not Allowed
Not Allowed
Not Allowed
125'
No Limit
Residential
Driveway
Access
Controlled
450'
450'
300'
125'
Minimum one
Separation -
per lot/] 50'
Other
Parking
Not Allowed
Not Allowed
Not Allowed
Not Allowed
Controlled
Allowed
Maximum
4%
6%
6%
8%
10%
10%
Grade
Horizontal
-
2000'
2000'
800'
600'
250'
Curve Radii
Sidewalk
None
Both sides
Both sides
Both sides
One side
None'
^Except that streets in Manufactured Home Parks can be a minimum of 28'.
' Except those required by Section 33030 X.
O. Street Intersections
1. Angle of intersection. Except where existing conditions will not
permit, all streets, major and minor, shall intersect at a ninety (90) degree
angle. Variations of more than ten (10) degrees on minor streets and more
than five (5) degrees on major streets must first be approved by the
Commission.
2. Radius at corners. All local and collector street comers shall
have fifteen (15) foot radii except acute corners which shall have a radii
of twenty-five (25) feet. Arterial streets shall have minimum comer radii
of twenty-five (22 5) feet. No buildings, signs or parking shall be allowed
in the area between the corner curves and the chord connecting the ends
of the curves except as approved by the Commission.
3. Center line tie with existing streets. Each new street intersecting
with or extending to meet an existing street shall be tied to the existing
street on center line with dimensions and bearings to show relationship.
30000-68
Revised 11/28/96
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
4. Table 33030-B shall be used to determine the minimum spacing
of intersections between roadways of the same functional classification
and roadways of different functional classifications. These standards shall
apply to intersections between existing and proposed new roadways and
between two new roadways.
Table 33030-B Minimum Spacing of Roadway Intersections (in miles)
Proposed
Existing Roadway
Roadway
Freeway
Major
Minor
Collector
Local
Arterial
Arterial
Freeway
2
1
5
Not
Not
Allowed
Allowed
Major
1
1
1/2
1/2
Not
Arterial
Allowed
Minor
5
1/2
1/2
1/2
Not
Arterial
Allowed
Collector
Not
1/4
1/2
1/4
As Needed
Allowed
Local
Not
Not
Not
As Needed
As Needed
Allowed
Allowed
Allowed
P. Reserve Strips. Reserve strips at the end of streets shall not be allowed.
Q. Street Names. New streets shall be named so as to provide continuity of
name with existing streets and so as to prevent conflict with identical or similar
names in other parts of the City.
R. Private Streets. Private streets are prohibited except as specifically
approved in Planned Unit Developments. All private streets shall be constructed
to City standards for public streets. Common access easements may be required.
If a gate is proposed to limit access to the private street, its construction, operation,
maintenance, and provisions for emergency access shall be reviewed and approved
as a part of construction plan approval.
S. Unpaved Street rights-of-way. The portion of the street right-of-way
between a private lot line and the curb or pavement edge shall be designed and
constructed to meet the requirements of the City's Construction Standards and
Specifications for Roads, Streets, Structures and Utilities.
T. Access to Public Streets from Private Property. Developers or builders
will not cut a curb or gutter section nor pave a street right-of-way without first
obtaining a permit from the City, and complying with Chapter 12.08, Street
Excavations, of the Georgetown Municipal Code. Where no curb and gutter street
construction is permitted, no developer or builder will construct or pave the bar
ditch street section without first obtaining a permit from the City and complying
with Chapter 12.08 of the Georgetown Municipal Code. No temporary utility
service will be provided to the building lot or site until a curb cut street right-of-way
30000-69
Revised 1/31/00
permit has been
issued and
no permanent utility service will be provided until the
work authorized
by permit
is satisfactorily completed
and approved by the City.
30000-70
Revised 11/28/96
U. Street Lighting. Street lighting shall
accordance with the following City standards.
Table 33030-C Street Lighting Standards
CITY OF GEORGETOWN
SUBDIVISION REGULATIONS
be designed for installation in
1. Street lights shall meet the spacing requirements on each side of
the street and shall be placed in an alternating fashion such that a light is
constructed at half the required spacing on at least one (1) side of the
street.
2. The spacing requirement may be modified if warranted by the
subdivision layout, terrain, or the location of existing utility poles.
3. On rural streets lighting will be provided at each street
intersection and, when directed by the City, at six hundred forty (640) foot
intervals. Lighting on these roadways must be provided by the
government entity responsible for construction and maintenance of the
roadway.
V. Half Streets. Dedications of partial or half streets along the perimeter of
the subdivision shall not be pern fitted except as required for proper alignment with
an existing right-of-way.
W. The following design standards shall apply to alleys:
1. Alleys shall be provided in commercial and industrial districts,
except that the Commission may waive this requirement where other
definite and assured provision is made for service access (such as
off-street loading, parking, fire protection and solid waste disposal) that
is consistent with and adequate for the uses proposed.
2. Alleys shall not be provided in residential subdivisions except
where the subdivider produces evidence satisfactory to the Commission
of the need for such alleys. However, at the discretion of the Commission,
and subject to the approval of the Council, alleys may be
30000-71
Revised 1/31/00
Dual Cane
Urban Hi hwa
Interstate
and Rams
Single Lane
Residential
Local
Commercial
Spacing
300'
200'
320'
180'
Mounting Height
25'
25'
25'
25'
Fixture overhang
48"
24"
24"
48"
Lamp
20OW HPS
15OW HPS
150W HPS
15OW HPS
Avg. maintained
footcandles
0.6
0.6
0.4
0.9
Min. maintained
footcandles
0.24
0.27
0.07
0.55
Avg. to min.
uniformity
2.5:1
2.22:1
5.7:1
1.63:1
1. Street lights shall meet the spacing requirements on each side of
the street and shall be placed in an alternating fashion such that a light is
constructed at half the required spacing on at least one (1) side of the
street.
2. The spacing requirement may be modified if warranted by the
subdivision layout, terrain, or the location of existing utility poles.
3. On rural streets lighting will be provided at each street
intersection and, when directed by the City, at six hundred forty (640) foot
intervals. Lighting on these roadways must be provided by the
government entity responsible for construction and maintenance of the
roadway.
V. Half Streets. Dedications of partial or half streets along the perimeter of
the subdivision shall not be pern fitted except as required for proper alignment with
an existing right-of-way.
W. The following design standards shall apply to alleys:
1. Alleys shall be provided in commercial and industrial districts,
except that the Commission may waive this requirement where other
definite and assured provision is made for service access (such as
off-street loading, parking, fire protection and solid waste disposal) that
is consistent with and adequate for the uses proposed.
2. Alleys shall not be provided in residential subdivisions except
where the subdivider produces evidence satisfactory to the Commission
of the need for such alleys. However, at the discretion of the Commission,
and subject to the approval of the Council, alleys may be
30000-71
Revised 1/31/00
required for high density residential developments.
3. Alley rights-of-way serving commercial and industrial areas shall
not be less than thirty (30) feet in width. When alleys are provided in
residential areas, rights-of-way shall not be less than twenty-two (22) feet
in width.
4. Alley intersections and sharp changes in alignment shall be
avoided.
5. Dead-end alleys shall be avoided, but if unavoidable, shall be
provided with adequate turn around facilities at the dead-end as
determined by the Conunission.
X. Pedestrian Circulation. Sidewalks shall be provided along one (1) side of
all collectors and along both sides of major and minor arterials. Crosswalks shall
be provided to connect parallel streets when blocks exceed one thousand'(1,000)
feet or when blocks exceed five hundred (500) feet and the path would provide a
connection to a school, park or other community service facility. A minimum of ten
(10) feet of right-of-way is required for all crosswalks. Sidewalks shall be
provided along both sides of all streets, whether public or private, within one
thousand (1,000) feet of public school or park property, Sidewalks shall be
constructed as shown on the approved construction plans.
33040 Access/Driveways
33041 Purpose and Applicability
Proper access design and location are essential to the maintenance of safe, efficient traffic
flow. In order to prevent the proliferation of poorly spaced driveways that can result in the
reduced safety and carrying capacity of public thoroughfares, the following regulations shall
apply to all properties for which a land use or property boundary change is proposed.
33042 Driveway Width
No undivided driveway wider than thirty (30) feet from curb face to curb face shall be
permitted. No divided driveway shall exceed forty-five (45) feet in width at the property line.
Each drive access in a divided driveway must be a minimum of twenty (20) feet wide to
provide adequate fire access. It is the developer's responsibility to carefully plan the
driveway access and median design to ensure safe vehicular access.
33043 Spacing Between Driveways
Excluding single family residential uses, the minimum distances between driveways shall
correspond with Table 33030-A.
33044 Spacing Between Driveways and Intersections
On local streets, no driveway shall be permitted closer to a corner than sixty (60) feet
unless lot dimensions prohibit such spacing.
On collector streets, no driveways shall be permitted closer to a corner than seventy -rive (75)
feet unless lot dimensions prohibit such spacing.
30000-72
Revised 11/28/96