HomeMy WebLinkAboutORD 04.14.1975 - SubdivisionCITY OF GEORGETOWN TEXAS
ORDINANCE
Requirements for Subdivisions
APRIL 1975
CITY OF GEORGETOWN., TEXAS
OFFICIALS
Joe E. Crawford
- Mayor
Dee W. Scott
- Mayor Pro -Tem.
Harry Gold - Councilman
J. D. Wininger - Councilman
John Doerfler- Councilman
W. C. Shell - Councilman
Leo Wood
- City Manager
W. L. Walden
- City Secretary
Thomas G. Sams
- Cheif Inspector
Tom Harrison
- Water and Sewer Supt.
PLANNING a ZONING COMMISSION
G. E. Almquist Jr. Chairman
Lee Fulkes Member
A. P Prude Member
Fred Hilgeman Member
Roy Lierman Member
INDEX
SUBJECT PAGE NUMBER
Legal Citations 1
Section 1 General 3
Section 2 Definitions 3
Section 3 Purpose, Authority and
Jurisdiction 5
Section 4 Procedure 7
4.01 Preliminary Plat 7
1.
Scale
7
2.
Existing Features Inside
Subdivision
8
3.
Existing Features Outside
Subdivision
8
4.
New Features Inside
Subdivision
9
5.
Key Map
9
6.
Title
10
7.
Subdivision
10
8.
Approval
10
4.02
Final Plat
11
1.
Sheet Size
11
2.
Existing Features Inside
Subdivision
12
3.
Existing Features Outside
Subdivision
13
4.
Streets, Alleys, Easements
14
5.
Lots and Blocks
14
6.
Reservations
15
7.
Monuments and Control Points
15
8.
Key Map
15
9.
Title
15
10.
Dedications and Certificates
16
11.
Special Restrictions
16
12. Tax Receipt 16
13. Submission 16
14. Approval 16
15. Time of Submission of
Plans and Specifications 17
Section 5 Design Standards 17
5.01 Streets 17
1.
Conformity to Street Plan
17
2.
Relation to Adjoining Streets
1$
3.
Street Jogs
18
4.
Larqe Lot Subdivisions
24
5.
Through Traffic
18
6.
Topography
18
7.
Street Widths
19
8.
Street Alignment
19
9.
Major Street Curves
20
10.
Secondary Street Curves
20
11.
Local Street Curves
20
12.
Reverse Curves
20
20
13.
Vertical Curves
27
14.
Cul -De -Sacs
20
15.
Street Intersections
21
16.
Half -Streets
22
22
17.
Reverse Strips
23
18.
Street Names
23
19.
Private Streets
5.02
Lots
23
1.
Residential Purpose
23
2.
Size
23
3.
Minimum Width
24
4.
Minimum Depth
24
5.
Minimum Area
24
6.
Corner Lots
24
24
7.
Lot Shape
26
8.
Lot Lines
9.
Lot Facing
26
10.
Lot Numbering
26
11.
Driveway Restrictions
27
5.03
Blocks
27
1.
Length
27
2.
Width
28
3.
Numbering
28
5.04
Building Lines
28
1.
Front Street
28
2.
Side Street
28
3.
Side and Rear
28
5.05
Alleys
28
1.
Width
28
2.
Cut Offs
29
3.
Dead -End
29
4.
Required
29
5.06
Easements
29
1.
Size
29
2.
Use
30
5.07
Improvements
30
1.
Monuments
30
2.
Sidewalks
31
3.
Other Improvements
31
5.08
Reservations
31
1.
Permitted Purposes
31
2.
Designation on Plat
32
3.
Schools
32
5.09
Suburban Subdivisions
32
5.10
Variances
33
5.11
Penalty for Violating This
Ordinance
33
5.12
Saving Clause
34
Engineering and Construction Standards
35
Streets
35
Alignment
35
Grades
35
Width
36
Pavement
Design
36
Curb and Gutter 37
Alleys 38
Pavement Type 38
Pavement Width 38
Drainage and Storm Sewers 38
Size
43
39
Design
Storm
39
Runoff
Computations
39
Runoff
Coefficient
39
Sizing
of Sewers
40
Inlets
40
Ditches
41
Design
41-43
Water Lines 43
Location
43
Pipe
43
Fittings
44
Fire Hydrants
44
Pressure Test
44
Disinfection
45
Sanitary Sewers 45
Pipe Material
45
Pipe Size
46
Pipe Joints
46
Location
46
Grades
46
Infiltration
47
Lift Stations
47
Force Mains
47
utility Services 48
Construction 48
Water Service 48
Sewer Service 48
Stub Markers 49
Utility Extensions 49
Electric Service by City of Georgetown 49
Ordinance Approval and Signatures 49
GEORGETOWN, TEXAS
SUBDIVISION ORDINANCE
AN ORDINANCE PRESCRIBING RULES AND REGULATIONS GOVERNING PLATS,
PLANS AND SUBDIVISIONS OF LAND WITHIN THE INCORPORATED AREA OF
GEORGETOWN, TEXAS, HEREIN DEFINED AS THE "CITY"; CONTAINING
CERTAIN DEFINITIONS; PROVIDING FOR A PRELIMINARY PLAT, A FINAL
PLAT, AND PROVIDING FOR FINAL APPROVAL OF SUBDIVISIONS BY
SECTIONS; PRESCRIBING REGULATIONS FOR STREETS, SIDEWALKS, ALLEYS,
SANITARY UTILITIES, AND COMMUNITY FACILITIES:
Providing for a penalty of not more than two hundred ($200)
dollars for each violation thereof; repealing all conflicting
ordinances; providing a savings clause; and providing an
effective date.
Whereas, under the provisions of the Constitution and laws of
the State of Texas, including particularly Chapters 231, Acts
of the. 40th Legislature, Regular Session, 1927, as heretofore
or hereafter amended (complied as Articles 974a, VACS), and the
provisions of Section 4 of the Municipal Annexation Act (complied
as Article 970a), as heretofore or hereafter amended, hereafter
every owner of any tract of land situated within the City of
Georgetown who may hereafter divide the same in two (2) or more
1
tracts described by metes and bounds or otherwise for the purpose
of laying out any subdivision of such tract of land or any addition
to said City; or for laying out suburban lots or building lots,
or any lots, and purchasers or owners of lots fronting thereon
or adjacent thereto, are required to submit a plat of such
subdivision or addition for approval by the Planning and Zoning
Commission of the City of Georgetown; and the City Council of
the City of Georgetown.
Whereas, the rules and regulations of the City established by
ordinance, governing plats and subdivisions of the land, in the
corporate limits of the City of Georgetown are hereby extended
to and shall apply to all of the area under the extraterritorial
jurisdiction of said City, as provided for in the Municipal
Annexation Act, enacted by the State of Texas and which appears
as Article 970a, Vernon's Annotated Civil Statutes.
NOW THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY
OF GEORGETOWN, TEXAS
On and after the passage of this Ordinance, any person, firm
or corporation seeking approval of any plat, plan or replat of
any subdivision of land within the City of Georgetown, Texas
0
and -its legally established extraterritorial jurisdiction shall
be required to comply with the requirements of this Ordinance
before such approval may be granted, to -wit:
SECTION 1
GENERAL
These regulations shall govern every person, firm,
association or corporation owning any tract of land within the
corporate limits and extraterritorial jurisdiction of the
City of Georgetown who proposes to divide the tract into two
or more parts for the purpose of laying out any subdivision
of land or any addition to said City, or for laying out suburban
lots or building lots, or any lots, streets, alleys, parks or
other portions intended for public use, or the use of purchasers
or owners of lots fronting thereon or adjacent thereto.
SECTION 2
DEFINITIONS
2.01 City or the City shall mean City of Georgetown
2.02 Subdivision shall mean the division of a tract or
parcel of land into two or more parts or lots for
3
the purpose, whether immediate or future, of sale
or building development or transfer of ownership,
and shall include re -subdivision.
2.03 Re -subdivision shall mean the division of an existing
subdivision, together with any change of lot size
therein, or with the relocation of any street lines.
2.04 The word "Shall" shall be deemed as mandatory.
The word "May" shall be deemed as permissive.
2.05 Plat shall mean a map or chart of the subdivision.
It shall include plan, plat or replat, in both
singular and plural.
2.06 Commission shall mean the City Planning and Zoning
Commission.
2.07 Developer shall mean the owner of proposed subdivision.
4
SECTION 3
PURPOSE, AUTHORITY AND JURISDICTION
3.01 Under the authority of Article 974a of the Revised
Civil Statutes of the State of Texas, which article
is hereby made a part of these regulations, the
Planning and Zoning Commission of the City of Georgetown
does hereby adopt the following regulations to hereafter
control the subdivision of land within the corporate
limits of the City of Georgetown and in the unincor-
porated areas lying within one mile (1) of the City
limits of Georgetown, in order to provide for the
orderly development of the areas and to secure
adequate provision for traffic, light, air, recreation,
transportation, water, drainage, sewage, and other
facilities.
3.02 As used herein, the term "subdivision" shall mean
the division of a tract or parcel of land into two
(2) or more lots for the purpose, whether immediate
or future, of sale or building development, and shall
5
include resubdivision. "Resubdivision" shall mean
any change in the division of any existing subdivision
or any change in lot size therein, or the relocation
of any street lines.
3.03 Any owner of land located inside of or within one (1)
mile of the corporate limits of the city of Georgetown
wishing to subdivide such land shall submit to the
Planning and Zoning commission a plan of subdivision
which shall conform to the minimum requirements set
forth in these regulations. An owner subdividing
his land into parcels of not less than 5 acres each
and not involving new streets shall be exempt from
these requirements. Any owner subdividing his land
into parcels of 1 acre or more for residential or
commercial purposes shall be subject to all
regulations set forth in this ordinance except as
set forth in SECTION 5, PARAGRAPH 5.09.
3.04 No subdivision plat shall be filed or recorded,
and no lot in a subdivision inside of or within one
(1) mile of the corporate limits of Georgetown shall
R
be improved or sold, until the plat shall have been
approved by the Planning and Zoning Commission. The
City shall have the authority to prohibit the
installation of public utilities in unapproved subdivisions
and to prohibit the issuance of building permits for
structures on lots abutting on unapproved streets.
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SECTION 4
PROCEDURE
4.01 PRELIMINARY PLAT
A preliminary plat of any proposed subdivision,
prepared by a registered engineer or licensed public
surveyor and bearing his seal, shall be submitted to
the Planning Commission for approval before the sub-
divider proceeds with the final plat for record.
1. This preliminary plat shall be drawn to a scale of
one hundred (100) feet to the inch.
2. The preliminary plat shall contain the following
information:
M
Existing Features Inside Subdivision.
a. The existing boundary lines of the land to be
subdivided. Boundary lines shall be drawn
sufficiently wide to provide easy identification.
b. The location of existing water courses, railroads,
and other similar drainage and transportation
features.
c. The location and width of existing streets,
alleys, easements, building and structures.
d. Topographical information with contour lines
at two (2) foot intervals.
3. Existing Features Outside Subdivision.
a. The name and property lines of adjoining
property owners.
b. The name and location of adjacent subdivisions,
streets, easements, pipe lines, water courses, etc.
All lines outside of subdivision boundaries to be
dashed.
F
4. New Features Inside of Subdivision.
a. The proposed name of the subdivision.
b. The location, R.O.W. width, and names of proposed
streets.
c. The approximate width and depth of all lots. If
the side lines are not parallel, the approximate
distance between them at the building line and at
the narrowest point should be given.
d. The location of building lines, alleys and easements.
e. The location and approximate size of sites for
schools, churches, parks, and other special land
uses.
f. The approximate acreage of the property to be
subdivided.
5. Key Map. A key map showing relation of subdivision
to well-known streets in all directions to a distance
of at least one (1) mile.
V,
6. Title, Etc. The date, scale, north point and title
under which the plat is to be recorded, with the name
of the owner and engineer or licensed surveyor platting
the tract.
7. Submission. The Planning and Zoning Commission and
City Manager shall be furnished with three (3) legible
prints of the preliminary plat and with three (3) copies
of a letter of transmittal stating briefly the type
of street surfacing, drainage, sanitary facilities,
and water supply proposed, and the name and address
of the owner or agent and engineer, ten (10)
days or more before the regular Planning Commission
meeting. These documents shall be filed in the
office of the City Secretary in the City Hall.
8. Approval. The Planning and Zoning Commission shall
approve, conditionally approve or disapprove within
thirty (30) days any preliminary plat submitted to
it. Approval of the preliminary plat shall not
constitute final acceptance of the final plat.
10
Preliminary approval will expire six (6) months
after the approval by the Planning Commission of
the preliminary plat or of final sections thereof,
except that if the subdivider shall apply in writing
prior to the end of such six (6) month period, stating
reasons for needing the extension, this period may be
extended for another six (6) months but not beyond a
total of one (1) year.
4.02 FINAL PLAT
After approval of a preliminary plat by the Planning
and Zoning Commission, a final plat, prepared by a registered
engineer or licensed surveyor and bearing his seal,shall be
submitted to said Planning and Zoning Commission,
prior to filing with County Clerk,by filing in the
office of the City Secretary. Such plat shall
have all changes and alterations made on it that
were required on the previously submitted preliminary plat.
1. Sheet Size and Scale. All final plats shall be drawn
in india ink on tracing cloth or plastic tracing sheets
1811 x 24" ( eighteen inches by twenty-four inches) and to
11
a scale of one (1) inch equals one hundred (100) feet.
Where more than one (1) sheet is required, an index
sheet of maximum size 18" x 24" (eighteen inches by twenty-
four inches) shall be filed showing the entire
subdivision. Where an area to be developed can be
drawn on a sheet one-half (1/2) size or less with the
scale of the drawing remaining one (1) inche equals
one hundred (100) feet, a sheet 24" x 15" (twenty-
four by fifteen inches) may be used.
2. The final plat shall contain the following information.
Existing Features Inside Subdivision.
a. The existing boundary lines with accurate distances
and bearings of the land to be subdivided. Boundary
lines shall be drawn sufficiently wide to provide
easy identification.
b. The location of existing water courses, railroads,
and other similar drainage and transportation
features.
c. True bearings and distances to the nearest established
street lines, official monuments, or subdivision
12
corner, which shall be accurately described on the
Plat.
d. The location and width of existing streets, alleys,
easements, R.O.W., buildings and structures to be
retained.
e. An accurate location of the subdivision in reference
to the deed records of the County which shall include
the volume and page of the deed of the property to
be subdivided.
3. Existing Features Outside Subdivision.
a. The name and property lines of adjoining subdivisions
and of the adjoining property owners, together with
the respective plat or deed references.
b. The name and location of adjacent streets, alleys,
easements, water courses, etc.
All lines outside of subdivision boundaries to be
dashed.
13
4. Streets, Alleys, Easements. The lines and names of
all proposed streets or other ways or easements to be
dedicated to public use, with the following engineering
data:
a. For Streets. Complete curve data (Delta, Length,
Radius, Tangent, Point of Curve, Point of Reverse
Curve, Point of Tangent) shown on the centerline
or on each side of street.
Length and bearings of all tangents. Dimensions
from all angle points and points of curve to an
adjacent side lot line.
b. For Water Courses and Easements. Distances to be
provided along the side lot lines from the front
lot line or the high bank of a stream.
Traverse line to be provided along the edge of
all large water courses in a convenient location,
preferably along a utility easement if paralleling
the drainage easement or stream.
5. Lots and Blocks. The lines and numbers of all proposed
lots and blocks with complete bearings and dimensions
for front, rear and side lot lines. The surveyor shall
certify that all lots have an area of 6000 sq.ft.or more.
14
6. Reservations. The use and property dimensions of
all special reservations, including sites for schools,
churches, and parks.
7. Monuments and Control Points.
1. The description and location of all permanent
survey monuments and control points.
2. Suitable primary control points to which all
dimension, bearings and similar data shall be
referred. Dimensions shall be shown in feet and
decimals of a foot.
8. Key Map. A key map showing relation of subdivision
to well-known streets in all directions to a distance
of at least one (1) mile.
9. Title, Etc. The date, scale, north point and subdivision
title, name and address of subdivider, name, address,
and seal of engineer or licensed surveyor.
15
10. Dedications and Certificates. Such dedications and
certificates as are applicable.
11. Special Restrictions_. Where restrictions of use of land,
other than those given in these regulations are to be
imposed by the subdivider, such restrictions shall be
placed on the final plat or on a separate instrument
filed with the plat.
12. Tax Receipt. A certificate showing that all City
taxes if any have been paid is to be submitted concurrent
with the final plat.
13. Submission. The Planning and Zoning Commission
and the City Manager shall be furnished with three
(3).legible prints and the original tracing of the
final plat fourteen (14) days or more before the
regular Planning and Zoning Commission meeting. These
documents shall be filed in the office of the City
Secretary in the City Hall.
14. Approval. Final approval will expire one (1) year
after Planning & Zoning Commission action granting
approval of any plat unless the plat has been filed for
record,except that,if the subdivider shall apply in writing
16
prior to the end of such one (1) year period, stating
reasons for needing the extension, this period may at
the discretion of the Commission be extended for another
year but not beyond that period.
15. Plans and Specifications shall be submitted after
approval of final plat and 30 days prior to accepting
bids on any construction.
SECTION 5
GENERAL REQUIREMENTS AND DESIGN STANDARDS
5.01 STREETS
1. Conformity to Major Street Plan. The width and
location of streets shall conform to such Major
Street Plan as the Planning and Zoning Commission
may have adopted, both as to horizontal and vertical
alignment and right-of-way widths.
2. 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 cir-
culation. Where possible, the width and the
17
horizontal and vertical alignment of extended streets
shall be preserved.
3. Street Jogs. Where off -sets in street alignment
are, in the opinion of the Planning and Zoning
Commission, unavoidable, such off -sets may be
employed provided the distance between center lines
is not less than one hundred twenty-five (125) feet.
4. Large -Lot Subdivisions. If the lots in the proposed
subdivision are large enough to suggest resubdivision
in the future, or if part of the tract is not sub-
divided, consideration must be given to possible
future street openings and access to future lots
which could result from such resubdivision.
5. Through Traffic. Local residential streets shall
be designed so as to discourage high-speed or
through traffic.
6. Topography. The street system shall bear a logical
relationship to the natural topography of the ground.
7. Street Widths. "Street width" shall be measured
from front lot line to front lot line of opposite
lots.
a. Local Streets. Local streets shall have a
minimum R.O.W. width of fifty (50) feet.
b. Secondary Streets. Secondary or feeder streets
shall have a minimum R.O.W. width of sixty (60)
feet.
c. Major Streets. The width of major streets shall
be determined by the Planning & Zoning Commission.
Major streets with a right-of-way width of less
than, one hundred (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.
8. Street Alignment: The maximum deflection in
alignment permitted without use of curve shall be
ten (10) degrees.
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9. Major Street Curves. Curves in major streets shall
have a center line radius of two thousand (2,000)
feet or more with exceptions to this standard
granted only by the Planning & Zoning Commission.
10, Secondary Street Curves. Curves in secondary or feeder
streets shall have a center line radius of eight
hundred (800) feet or more, with exceptions to this
standard granted only by the Planning & Zoning Commission.
ll.Local Street Curves. Curves in local streets are
to have a center line radius of three hundred (300)
feet or more, except for "loop" or partial "loop"
streets.
12.Reverse Curves. Reverse curves shall be
separated by a minimum tangent of one hundred
(100) feet.
13.Vertical Curves. See ENGINEERING AND CONSTRUCTION
627.1117.1:111"
14.Dead-End Streets - Cul -De -Sacs
a. Turn-arounds. Turn-arounds are to have a
minimum right-of-way radius of fifty (50)
feet for a single-family and two-family use
9M
and sixty (60) feet for other uses.
b. Maximum Length. The maximum length of a dead-
end street with a permanent turn -around shall
be six hundred (600) feet, except in conditions
of unusual topography.
C. Temporary Turn-Arounds. Temporary turn-arounds
are to 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".
15.Street Intersections.
a. 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 or secondary streets must first
be approved by the Planning & Zoning Commission.
21
b. Radius at Acute Corners. Acute angle inter-
sections approved by the Planning & Zoning
Commission to have twenty-five (25) foot or
greater radii at acute corners.
c. 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.
16.Partial or Half -Streets. Partial or half -streets
may be provided where the Planning Commission
feel that a street should be located on a property
line. The following note shall be used in all such
dedication: "This -foot strip is dedicated
as an easement for all utility purposes including
storm and sanitary sewers and shall automatically
become dedicated for street purposes when and in-
sofar as a -foot strip adjacent to it is so
dedicated and the required improvements are installed."
17.Reserve Strips. Provisional one (1) foot reserves
22
may be used along the side or end of streets that
abutt acreage tracts, accompanied by a note on the
plat as follows: "One (1) foot reserve to become
automatically dedicated for street purposes when
adjacent property is subdivided in a recorded plat."
18.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.
19.Private Streets. Private streets are prohibited.
5.02 LOTS
1. Use. All lots shown on the plat will be for
residential purposes unless otherwise noted.
Standards that follow apply to residential lots.
2. Lot Size. To conform with Zoning Ordinance. On
the basis of the district in which they lie and
the use to which they are to be put, all lots must
conform to the regulations of the Zoning Ordinance,
23
including minimum area, width, and depth.
3. Minimum Width. Sixty (60) feet at building line.
Radial lots to have a minimum of fifty (50) feet at
the front building line and a minimum of sixty (60)
feet width, thirty (30) feet behind the building
line.
4. Minimum Depth. One hundred (100) feet.
5. Minimum Area. Six thousand (6,000) square feet.
6. Corner Lots. Corner lots with a width of less
than seventy-five (75) feet are to be at least
five (5) feet wider than average of interior lots
in the block.
Corner lots with a width of less than eighty-five
(85) feet adjacent to a major thoroughfare are to
be at least fifteen (15) feet wider than the average
of interior lots in the block.
7, Lot Shape. Lots should be rectangular insofar as
practicable. Sharp angles between lot lines should
24
be avoided. The ratio of depth to width should not
ordinarily exceed two and one-half (2-1/2) times.
8. Lot Lines. Side lot lines should be perpendicular
or radial to street frontage and the following note
may be used in lieu of bearings.: "All side lot
lines are either perpendicular or radial to street
frontage unless otherwise noted."
9. Lot Facing
a. Street Frontage. Each lot shall be provided with
adequate access to an existing or proposed public
street by frontage -on such street.
b. Double Front. Double front lots are prohibited
except when backing on major thoroughfares.
C. Front Facing. Whereever feasible, each lot should
face the front of a similar lot across the street.
In general, an arrangement placing adjacent lots
at right angles to each other should be avoided.
10.Lot Numbering. All lots are to be numbered con-
secutively within each block. Lot numbering may be
cumulative throughout the subdivision if the
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numbering continues from block to block in a uniform
manner that has been approved on an over-all preliminary
plat.
11.Driveway Restrictions. Rear and side driveway access
to major thoroughfares shall be prohibited.
5.03 BLOCKS
1. Block Length.
a. Residential. Maximum block length for
residential use shall be twelve hundred
(1,200) feet, measured along the center of
the block. Five hundred (500) feet is a
desirable minimum.
b. On Major Street. Maximum block length along
a major street shall be sixteen hundred
(1,600) feet except under special conditions
and upon approval of the Planning & Zoning
Commission.
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2. Block Width. Blocks shall be wide enough to allow
two (2) tiers of lots of at least minimum depth,
except when prevented by the size of the property
or the need to back-up to a major thoroughfare.
3. Block Numbering. Blocks are to be numbered
consecutively within the overall plat and/or sections
of an overall plat as recorded.
5.04 BUILDING LINES.
1. Front Street. The front building line shall not
be less than twenty-five (25) feet from the front
property line.
2. Side Street. The building line on the side of
corner lots shall not be less than fifteen (15)
feet from the side street property line.
3. Side and Rear.
Side building line shall be 7 feet from nearest P.L.
Refer to Zoning Ordinance for other building lines.
5.05 ALLEYS.
1. Alley Width. Where provided, alleys shall not be
less than twenty (20) feet in width.
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2. Cut -Offs. In case of intersecting alleys, a cut- off
shall be required at each corner. Cut-offs shall be
triangles having two (2) equal sides each of which
shall be not less than ten (10) feet in length.
3. Dead -End Alleys. Dead-end alleys will not be
permitted. Alleys in new subdivisions shall
connect to alleys in adjacent subdivisions wherever
feasible.
4. Alleys Required. Alleys shall be required in all
business areas and in those portions of new
residential subdivisions where partial blocks
are needed to complete existing blocks with alleys.
5.06 EASEMENTS:
1. Size. The size of easements where alleys are not
provided shall not be less than five (5) feet on
each side of rear lot lines with additional five
(5) feet on each side beginning at a plane twenty
(20) feet above the ground. The full width of
easement shall be not less than ten (10) feet at
29
ground level nor less than twenty (20) feet,
beginning at a plane twenty (20) feet above ground.
2. Use. Where necessary, easements shall be retained
for poles, wires, conduits, storm sewers, sanitary
sewers, water lines, open drains, gas lines or other
utilities. Such easements may be required across
parts of lots (including side lines) other than
as described above, if in the opinion of the
Planning and Zoning Commission same is needed.
5.07 IMPROVEMENTS.
1. Monuments. Concrete monuments eight (8) inches
in diameter and fifteen (15) inches long shall be
placed at all block corners and at all corners of
the boundary lines of a subdivision. The exact
intersection point on the monument shall be marked
by a reinforcing bar one-half (1/2) inch in diameter
and twelve (12) inches long embedded in the concrete
monument.
Intermediate property corners, curve points and
angle points shall be marked with a piece of one -
MCI
half (1/2) inch round reinforcing rod driven flush
with the finished ground level or lower if necessary
in order to keep same from being disturbed.
2. Sidewalks. Concrete sidewalks of not less than
4 feet in width shall be required along one
side of all streets radiating from a school or
area designated for future shcools for a distance
of two standard blocks or a minimum of 1,000 feet.
3. Other Required Improvements. See ENGINEERING
AND CONSTRUCTION STANDARDS.
5.08 RESERVATIONS.
1. Permitted Purposes. No land contained in the
proposed subdivision shall be reserved for any
use other than a use permitted by the Zoning
Ordinance for the district in which the land to be
reserved is located.
31
2. Designation on Plat. The specific use for
which each piece of land is to be reserved
must be shown by appropriate label or descrip-
tion on the subdivision plat. Provision for
future abandonment of a reservation as may be
appropriate must likewise be shown on said
plat.
3. Schools. The location and size of schools shall
be in accordance with the Planning Commission's
School Sites Plan and with the requirements of
the School District.
5.09 SUBURBAN SUBDIVISIONS.
Any subdivision within one (1) mile of the established
City Limits of the City of Georgetown shall not
receive any utility services owned by the City unless
32
it conforms to the regulations herein except those
subdivisions lots or parcels of land containing 43,560
square feet (1 acre) or more may be exempt from curb
and gutter street sections providing drainage of lots,
streets, alleys and easements can be accomplished by
ditches of moderate slope and depth and all cross
street of moderate slope and depth and all cross street
drainways shall be properly designed culverts and
bridges. Streets must have a minimum of 26' paved width.
5.10 VARIANCES:
When a subdivider can show that a provision of
these regulations would cause unnecessary hardship
if strictly adhered to and where, because of some
condition peculiar to the site, in the opinion of
the Planning & Zoning Commission a departure may be made
without destroying the intent of such provisions,
the Planning Commission may authorize a variance.
5.11 PENALTY:
Any person violating this Ordinance or any portion
thereof shall upon conviction be guilty of a mis-
33
demeanor and shall be fined $200.00, and each day
that such violation continues shall be considered a
separate offense and punishable accordingly.
5.12 SAVING CLAUSE:
If any section, subsection, sentence, clause, or
phase of this Ordinance is for any reason held to
be unconstitutional, void or invalid, the validity
of the remaining portions of this Ordinance shall not
be affected thereby, it being the intent of the City
Council in adopting this Ordinance that no portion
thereof, or provision or regulation contained herein
shall become inoperative or fail by reason of the
unconstitutionality or invalidity of any section,
subsection, sentence, clause, phrase, or provision
of this Ordinance.
34
ENGINEERING AND CONSTRUCTION STANDARDS
POLICIES.
Policies, terms and conditions to be followed in paving work,
and the extending of water and sewer lines, are included in
this Ordinance , dated
STREETS.
All streets shall be constructed on compacted (90% Proctor)
subgrade which is adequately stable to prevent rapid deterioration
of base course and surfacing and seven inches of compacted (95%
Proctor) flexible base. If the subgrade PI exceeds 20, the subgrade
shall be stabilized with an amount of lime adequate to reduce the
subgrade PI to 20 or less. Determination of the plasticity index
shall be the responsibility of the developer.
The primary surfacing shall be 1-1/2" of compacted asphaltic
concrete. If in the opinion of the Planning and Zoning Commission
and the City's Engineer, concrete surfacing would be more desirable
because of existing conditions, 6" of concrete surfacing reinforced
as required shall be installed on prepared subbase.
Alignment, Grade and Width.
Alignment. Alignment of streets shall be as hereinbefore stated
in GENERAL REQUIREMENTS AND DESIGN STANDARDS.
Grades. Gutter gradients shall be a minimum of one-quarter (1/4)
of one (1) percent. Crown sections shall slope not less than one -
35
quarter (1/4) inch per foot for asphaltic concrete and one-eighth
(1/8) inch per foot for Portland cement concrete. The minimum
drop around curb return will be one-tenth (1/10) of one (1) foot.
The maximum drop of grade tangents from opposite direction to a
common low point shall not exceed one and one-half (1-1/2) feet.
All gutter grades shall be above the design water surface of
ditches and storm sewers. All grade changes with an algebraic
difference of one (1) per cent or more shall be connected with
a vertical curve.
Width. Minimum width of streets shall be as follows:
Street Width Back
Classification R.O.W. Width to Back of Curb
Major Streets 80' Min. 50'-0"
Secondary or Collector Streets
60' Min. 40'-0"
Local Streets 50' Min. 30'-0"
Pavement Design.
Pavement design shall conform to the following general requirements
unless otherwise approved by the Planning Commission. References
to Texas Highway Department specifications regarding street work
W.
are references to the "Standard Specification for Road and
Bridge Construction" adopted by the State Highway Department
of Texas.
Compacted Sub -Base. Shall be generally in accordance with Items
200,204,214 and 230 of the Texas Highway Department Standard
Specifications.
Flexible Base Pavement. Flexible base pavement shall consist
of a base course of the thickness and of the type materials
indicated below for flexible bases, and shall be surfaced with
one of the types of surface courses indicated below:
Flexible Bases Courses:
Seven (7) inches of compacted crushed limestone conforming
to Item 242 Texas Highway Department, Standard Specification
shall be used in all street construction.
Surface Courses:
One and one-half (1-1/2) inches of Hot Mix Asphaltic
Concrete Pavement conforming to Item 340 Texas Highway
Department, Standard Specification.
Curb and Gutter.
Curb and combination curb and gutter shall be constructed of
reinforced concrete except as noted elsewhere, Cross-section and
shapes shall conform to standards on file with the City Engineer.
37
Extruded concrete curbs and gutter sections without reinforcing
may be used when placed on compacted flexible base or curb
sections alone when placed on finished surface course.
In all cases, radius sections of 20 foot or less shall be
reinforced. Sections of curbs adjacent to curb inlets shall
be reinforced for a distance of 10' each direction when on
tangent sections and on arc sections as specified above.
ALLEYS.
Pavement Type.
All alleys shall be paved as a minimum with six (6) inches of
crushed stone flexible base, conforming to requirements for
street paving.
Pavement Width.
A minimum paved width of ten (10) feet shall be required for
all alleys.
DRAINAGE AND STORM SEWERS.
Adequate drainage shall be provided within the limits of the
subdivisions. The protection of adjoining property shall be
considered in the review of plans submitted.
Size. Sizing of inlets, storm sewers, outfalls, culverts and
drainage ditches will be based on the following:
Design Storm. The design storm will be based on rainfall
intensity -frequency data published by the U.S. Weather Bureau.
The design storm should be 50 year.
Runoff Computations. To determine the runoff rates for the
various areas, the standard rational method will be used, utilizing
the formula Q=CIA, where Q=rate of runoff in cubic feet per second,
C=runoff coefficient, I=rainfall intensity for the particular
duration in inches per hour, and A=the drainage area in acres.
Drainage areas will be arrived at by considering location of
high and low points on street grades, drainage divides in the
area, and general configuration of existing and finished grades.
Runoff Coefficient. The runoff coefficient which considers
the slope of the terrain, the character of the land use, and
the imperviousness of the drainage area shall be determined
39
e
from the Master Plan for the City. The runoff coefficient for
the appropriate land uses shall be as follows:
Commercial Areas
0.90
Industrial Areas
0.85
Residential Areas
0.45
Apartment Areas
0.80
Park Areas
0.35
Paved Areas
0.90
Sizing of Sewers. Sewers shall be sized to carry the discharge
(Q) derived from the above formula. Capacity of storm sewers
will be determined by the use of Manning's formula on the basis
of hydraulic gradients rather than the physical slope of the
pipe. Minimum size of the storm sewer shall be 18 inches or
equivalent.
Sizing and Spacing of Inlets. Inlets shall be spaced so that
maximum spread of water shall not exceed one-half of Adjacent
Traveled Lane. Inlets will be provided at all low points in
gutter gradient. On thoroughfares, all inlets shall be recessed
a minimum of eighteen (18) inches from the face of curb, and
curbs shall be tapered to the inlet. Inlets will be sized using
an allowable capacity of one (1) cubic foot per second per foot
511f
of opening for a throat height of seven and one-half (7-1/2)
inches.
Ditches. Ditches shall be sized to carry the runoff (Q)
derived from the above formula.
Design._
Design of storm sewers, outfalls, culverts and drainage ditches
will conform to the following general requirements:
Manholes. Manholes (inlets or junction boxes) shall be provided
at all changes in grades or alignment, sewer intersections, and
at a maximum of 300 feet on straight lines. If monolithic,
reinforced concrete sewer lines are used, a manhole is not
required where leads from inlets intersect the main sewer.
Design of manholes shall conform to the Standard Specifications
on file with the City Engineer.
Inlets. Design of inlets shall conform to the Standard
Specifications on file with the City Engineer.
Pipe. Pipe for storm drains shall be of acceptable material
and approved for the specific conditions where used.
41
Where, in the opinion of the City Engineer, added
strength of pipe is needed for traffic loads
over minimum cover or for excessive height of backfill,
pipe shall have a minimum cover of not less than one (1) foot over
the top of the pipe.
Ditches. Drainage ditches, where approved by the Planning & Zoning
Commission may be used for outfalls to natural or major drainage
channels. Ditches shall have a minimum grade of not less than
0.50 per cent and side slopes not steeper than 2:1, unless side
slopes are paved.
Outfalls. Outfalls from sewers and ditches into natural drainage
ways shall enter at the grade of natural drainage channel. If
necessary, drop type outfall structures shall be used to prevent
erosion.
Major Drainage Ways and Structures. Design of major drainage
ways through a subdivision and major structures, such as box
culverts or bridges, across a major drainage channel, shall be
coordinated with any Flood Control District, if such exists.
42
WATER LINES
Water systems shall be of sufficient size to furnish adequate
domestic water supply, to furnish fire protection and water
services to all lots, and to conform with the Master Water
Plan of the City. No main line shall be less than 6 inches.
The City will pay the price difference of pipe only if a larger
main is required to provide for future growth in the area.
If water system pressure booster stations are required, the cost
of such installation shall be the sole responsibility of the
developer.
Location. All water mains shall be constructed in streets and/or
easements.
Pipe. All water mains 12 -inch and smaller shall be cast iron or
ductile iron pipe,Class 150 unless otherwise approved by City
Engineer, with single rubber gasket joint,shall have a cement mortar
lining of the "Enameline" type, or approved equal, and shall
have a minimum cover of 36 inches. 4" PVC with rubber gasket
joints will be permitted when installed in cul-de-sacs or short
connecting streets not exceeding 500 feet and when a fire hydrant
is installed on 6" or larger cast iron main at each corner.
43
I
Fittings. Fittings shall be cast iron with mechanical joints
and shall be cement lined, unless otherwise specified.
Fire Hydrants. In general, fire hydrants shall be placed on
block corners or near the center of the block in such a manner
as to place all of every lot within a radius of 500 feet of a
fire hydrant in residential areas and within a radius of 300
feet in commercial or industrial areas. All fire hydrants will
be provided and installed by developer.
Fire Hydrant Fittings. All fire hydrants shall have one pumper
nozzle and two hose nozzles with standard threads, shall have a
main barrel valve opening of not less than 5 inches, and shall be
placed on C.I. mains of not less than 6 inches in diameter. Six-
inch gate valves shall be placed on all fire hydrant leads on
12" Main or larger.
Pressure Test. After the complete installation, the waterworks
shall be tested with a hydraulic test pressure of not less than
150 pounds per square inch, maintained over a continuous period
of not less than four (4) hours. If the test indicates a leakage
in excess of ten (10) gallons per inch of nominal diameter of
pipe per mile during the four hour test period, then the leaks
shall be found and repaired. All known leaks shall be stopped
regardless of this test requirement.
44
Disinfection. Prior to the acceptance and before any open
connection to any existing water main is made, the waterworks
shall be disinfected with a minimum of 50 parts per million
of available chlorine, or sufficient chlorine to give a
residual of 5 parts per million in all parts of the waterworks.
After chlorination and flushing, the Developer shall fill the
waterworks with water and the City shall take samples of water
taken from several locations, not less than one per section, or
two per mile, for bacteriological tests. In the event the
bacteriological test are positive (unsatisfactory), the Developer
shall drain the lines, and repeat the chlorination until the
tests results are negative, or satisfactory.
SANITARY SEWERS.
Sanitary sewer facilities shall be provided to adequately
service the subdivision and shall conform with the Master Sanitary
Sewer Plan for the City and recommendations of the State
Health Department and City Engineer.
Pipe. All sewer pipe in sizes 30" and smaller shall be vitrified
clay sewer pipe. All sewer pipe in sizes 36" and larger shall
be asphalt coated concrete sewer pipe. The City Engineer shall
have the authority to approve pipe other than the above mentioned.
45
Size. A minimum of 8 -inch sewer pipe shall be required, except
that 6 -inch lines will be acceptable only on short lines and
in the locations where so approved by the City Engineer. The
City will pay the price difference of pipe only if a larger main
is required to provide for future growth elsewhere in the area.
Pipe Joints. All sanitary sewer pipe joints shall be of the
premoulded type conforming to A.S.T.M. Designation C425.
Location. Wherever practicable sewers shall be located in the
alleys or easements and shall be 5 feet to 6-1/2 feet deep
to invert.
Grades. Grades and appurtenances of sanitary sewers shall conform
to the requirements of the Texas State Department of Health and
the City. The following are the minimum slopes which should be
provided; however, slopes greater than these are desirable:
Sewer Size Minimum Slope in Feet Per 100 Feet
6 inch 0.50
8 inch 0.40
10 inch 0.28
12 inch 0.22
Lid
Sewer Size (Cont'd)
15 inch
18 inch
21 inch
24 inch
27 inch
30 inch
36 inch
Minimum Slope in Feet Per 100 Feet
0.15
0.12
0.10
0.08
0.067
0.058
0.046
Infiltration. Prior to the acceptance, the Sanitary Sewers shall
be subject to leakage tests. The leakage outward or inward
(exfiltration or infiltration) shall not exceed 50 gallons per
inch of pipe diameter per mile per day for any section of the
system. The use of a television camera or other visual methods
for inspection prior to placing the sewer in service is recommended.
Lift Stations. All lift stations shall be designated and constructed
with two or more sewage pumps with total capacity of twice the
design maximum flow. Detailed design data, plans and specifications
of the pumps shall be submitted to the City Engineer prior to
the purchase and installation of the pumps. All costs are the
sole responsibility of the developer.
Force Mains. All force mains shall be cast iron pipe, Class 150,
unless otherwise specified, with rubber gasket joint, and shall
47
have a cement mortar lining of the "Enameline" type or approved
equal. At design average flow, a cleansing velocity of at least
two (2) feet per second shall be maintained. An automatic air
relief valve shall be placed at high points in the force main
to prevent air locking.
UTILITY SERVICES
Construction. All services for utilities shall be made available
for each lot in such a manner so as to eliminate the necessity
for disturbing the street and alley pavement, curb, gutter,
sidewalks, and drainage structures when connections are made.
Water Service. Single water service lines shall be a minimum
of 1 inch Polybutylene and shall be provided with a corporation
at the main and a curb stop located at least 2 feet outside of
curb with cover not to exceed 1-1/2 feet. Double service shall
be minimum of 1-1/2 inch Polybutylene with corporation and curb
stops.
Sewer Service. Sanitary sewer service lines shall be a minimum
of 4 -inch, shall meet the same requirements for Sanitary Sewers
described above, shall be constructed from the main to the lot
Lt?
Property line using wyes and necessary bends, and shall have a
minimum cover at the property line of four (4) feet, where
possible.
Stub Markers. The subdivider shall place a suitable marker at
the point where said service lines are stubbed out so that these
lines can be easily located for connection for future development.
Utility Extensions. The subdivider shall make arrangements
with all other appropriate utility companies for the extension
of their respective utility lines and service to and within
the addition and for any costs or refunds of such costs.
All subdivisions must be served by City of Georgetown Electric
Utilities.
Passed and Approved on its first reading this day of
197,5 Passed and Approved on the Second and
Final reading this 11-Y_ day of � �% 19 91
`'AYOR CITY F [igWXzIUlaia—�
Joe E. Cr ord
ATTEST: APPROVED AS TO FORM:
CITY SECRETAR (s)
W.L. Walden CITY ATTORNEY
Joe B. McMaster
49
Dimension "X "to be o mimmun or one N fool,
but is to be increased where necessary to provide
bearing against undistured french wall.
of
Cont. Backing
poured in place
_Preccst
��•� r' CJnc. Bloch
F
S �
1�
v :1.,, Nocon c. to
be poured
on fittings
I
tort
nly.
L: i..
CONCRETE BLOCKING DETAILS FOR PIPE FITTINGS
PIPE
900 BEND
450 BEND
22%, SEND
PLUGS 6 TEES
6
1'-0..
8•
I.-0"
1. 3"
10
I"-il"
I"-6
I I -0"
I I'-8
12
2 3'
1--9"
1' 3'
2 -0
16"
3-0��
2.-3
C-8"
2'-7"
18�
3-fi� 612
-96
I�-9"
31 0'�
L: i..
CONCRETE BLOCKING DETAILS FOR PIPE FITTINGS
F-
W
W m
c c
m
0
3
Place Fire Hydrant On Larger
Main At Intersections.
STREET
DETAIL OF FIRE HYDRANT LOCATION
NO SCALE
LOTS
OR
TRACTS
Fire Hydrant
Fire Hydrant
Water Line
Place Fire Hydrant On Larger
Main At Intersections.
STREET
DETAIL OF FIRE HYDRANT LOCATION
NO SCALE
x� 1118
L/ IU= TSelect BoCkfi6
_..:.. :.'�Ii--• Sond docket
Iil�lll � Se/ecl Back lit/
b
a
0
P
Rock to be excavated 4be/ow grade and }
bockli//ed with suitable material. Cut out be/ow be//.
ROCK EXCAVATION 61 SACKF/LL/NG DE TA/LS
Excepting under poromeots end ofber specie/ areas
designated on the p/ons or /n Me specifications as
requiring o specified density, al/ trench backfill M,
above top of pipe shof/ consist of excavated materia/
free of large rock or stone or vegetation, rater tamped
by pond/np or jetting as directed by the Engineer.
Lay in undisturbed soil ; cut our
be/ow pipe for balls only.
rboroughly tamp and compact
backfill around p/pe and f?"
above pipe wild sOoot mole'
in /eyers 6" or /ass. —1
LAY/NG AND BACKFILLING
Trench Width
�••�-: �••::••:%+6 concrete r, :'. •:
rompad
rreaeh W10th
CONCRETF JACKET CONCRETE JACKET
Shoilow Depth O' 4 ft. Over 12ft. Dep,'h
When rock encountered, remove
rock S" below pipe and replace
wild sloe/ material, we// ramped.
m
No. jot lB
Class A Concrete
CONCRETE JACKET REINFORCED
NOTE r Concrete ✓oche! when specified (by types) in the proposal
$ha// be used of /ocotions shown on plans or as directed.
Curb Slop
SECTION
?"to 4" Connection
TAPPED TEE
Moin Size 4 6 11 8 11 /O
Mox. Service /" / %" / %" / �"
Corporation Stop
SER W CE CONNEC T/ON DE TA /L S
NO SCALE
Begin Bldg. Connection
with %q Bend -1
Widlh
When Bldg. Conn. is not to be installed
immediately, close stock with cemented
stopper.
Bend
k,�—Class "8 Cone. Cradle
NJ y
DEEP SEWER CONNEMON
SERV/CE STACK
0
I �
i I
I I
I
No.3 at 6" a/
both ways
—t -j I
i I
'i fT
I I
—j 71�
I I
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No -3 of 6" c
both ways
concrete or
Brick �
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z
0
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SHALLOW MANHOLE
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8'�L Minimum 9'-O" — Use Medium Type for less
NOT£ : Entire outside
wo//s of Brick
receive
2
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surfoc
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morlor pioe,er.
MEDIUM DEPTH
MA AIHOL E
• fn>ire o-ls.e'e surface of
G' e n'nlls o,' ,3ric!c /V, 4 le
!o receit--e iii»orfar P/Qs�er
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Min. + IZadius = IS'—O"
4" ick toric. Ilipp-,'
W i r¢ xi,!5ap
2000 Pzi t=one,
TYPICAL LONG. RIP—RAP AT CoVJ%JER
IJo i2ip-Qap Shall nol 6x
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117-1' v-....
3' COMC. VALLEY Couc. FILLET Curze><�
GUTTaR DETAIL GUTrr=R
MOUNTABLE MACHINE LAID CURB
MACHINE LAID CURB
MEDIAN MACHINE LAID CURB
51-011 5.-0��
Min. Min.
Pavement Width
/'-0°
Width
11 11
4 Ff. Slope l 2 Comp. Asph. Conc.
Minimum 7" Compacted Flex. Bose
TYPICAL SECTION - EXTRUDED CURB
Pav
Minimum 7° Compacted Flex.
dth
M
5 -0°
Min.
it -0
Min.
I/ 1 I'-0" Min.
TYPICAL SECTION - WITHOUT CURB