ORDINANCE NO. 140
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SUBDIVISION
ORDINANCE
PREPARED THROUGH THE COOPERATION OF THE
TEXAS STATE DEPARTMENT OF HEALTH
Tke preparation of tkls material was financially
aided tkrougk a Federal Grant from tke Urban
Renewal Administration of tke Department of
Housing and Urban Development, under tke Urban
Planning Assistance Program autkorlzed by Sec-
tion 701 of tke HousIng Act of 19S~, as amended.
SCHERTZ,TEXAS
CONTENTS
PAGE
EXHIBITS AND TABLES
Exhibit "A" Specifications and Design Standards for
Public Works Improvements.
Exhibit "B" Acknowledgements and Certificates
19
20
Table 1
2
3
Curb and Intersection Returns
Street Grades and Horizontal Curve Radii.
Street Base and Surface Standards
24
25
26
SECTION 30
Emergency Clause.
29
SUBDIVISION ORDINA~CE
CITY OF SCHERTZ, TEXAS
CONTENTS PAGE
PART I GE~ERAL PROVISIONS
SECTION 1
2
3
4
5
6
7
8
9
10
11
12
Short Ti t Ie ,
Jurisdiction"
Interpretation and Purpose
Adoption of Legislature Grant of Power
Definitions "
Rules and Regulations of The City Planning Commission
Appeal From Commission Action
Enforcement .
Severability Clause
Variance .
Guarantee of Performance..
Dedication and Main~cenance of Streets
1
1
1
1
2
3
3
3
3
3
4
5
PART II PROCEDURE
SECTION 13
14
15
Pre-Application Conference
Preliminary Plat
Final PIa t
5
5
7
PART III DESIGN STANDARDS
SECTION 16 Genera 1 Design Principles and Objectives 10
17 Streets 10
18 Alleys. 12
19 Easements. 13
20 Pedestrian Circulation 13
21 Blocks" 13
22 Lots 14
23 Public Sites and Open Spaces 16
24 Protection of Natural Features" 16
PART IV REQUIRED IMPROVEMENTS
SECTION 25
26
27
2il
29
Monuments..
Street Improvements
Hater Systems
Sewerage Systems
Drainage .
16
16
17
18
18
AN ORDINANCE
ADOPTING ARTICLES 974a A}ffi 970a, REVISED CIVIL STATUTES
OF TEXAS; REGULATING THE SUBDIVISION OF LAND SITUATED
WITHIN THE CORPORATE LIMITS OF THE CITY OF SCHERTZ OR
WITHIN 5 MILES THEREOF; ESTABLISHING SUBDIVISION DE-
SIGN STANDARDS; PROVIDING IMPROVENENTS TO BE MADE OR
GUARANTEED TO BE }~E BY THE SUBDIVIDER AND PRESCRIB-
ING THE SPECIFICATIONS OF SUCH IMPROVEMENTS; REQUIR-
ING ,AND REGULATING THE PREPARATION AND PRESENTATION
OF PLATS TO THE CITY PLANNING COMMISSION AND SETTING
FORTH THE PROCEDURES 1U BE FOLLOWED BY THE CITY PLAN-
NING COM}lISSION IN APPLYING THESE RULES, REGULATIONS
AND STANDARDS IN ORDER TO PROCURE THEIR APPROVAL;
PROVIDING A SAVING CLAUSE AND DECLARING AN EMERGENCY.
*****
BE IT ORDAINED BY THE CITY COMMISSION OF THE CITY OF SCHERTZ, TEXAS:
PART I - GENERAL PROVISIONS
SECTION 1. Shoa Title. This Ordinance shall be known as the 'Sub-
division Ordinance" of the City of Schertz, Texas.
SECTION 2. Jurisdiction. No person shall create a subdivision of
land within th~ cor2orate limits of the City of Schertz or within
five (5) miles thereof, without com~lying with the provisions of
this Ordinance. All "lats and subdivisions of any such land shall
conform to the rules and regulations herein set forth.
SECTION 3. Interpretation and Purpose. In their interpretation and
application, the provisions of this Ordinance shall be deemed to be
minimal in naturel ~nd whenever the principles, standards or require-
ments of any other apclicable provision of other ordinances of the
City of Schertz which are higher or more restrictive, the latter shall
control. The purpose of this Ordinance is to achieve orderly urban
development through land subdivision; to promote and develop the
utilization of land to assure the best possible community environment
in accordance with the Master Plan of the City of Schertz; to provide
for adequate municipal services and safe streets; and to protect and
promote the health, safety and general welfare.
SECTION 4. Adoption of Legislature Grant of Power, This Ordinance
is adopted under the authority 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 (compiled as Article 974a, U.T.C.S.) and the provisions of
Section 4 of the Municipal Annexation Act as heretofore or hereafter
amended (compiled as Article 970a, U.T.C.S.).
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SECTION 5. Definitions.
For the pur:)oses of this Ordinance) the follm:.....ins terms J phrases,
\-,lords and th~:i.r derivations shall have the. meaning given in this Section.
~'fuen not inconsistent with the context, words used in the present tense
include the future; words used in the singular number include the plural
nurnb.ar; nnd lilords used in the l) Iural number iucluue the sin8ulor number.
The uord sh<:l111' is alv.Tilys mandatory, '~:lhile the '\"lord may is merely
directory.
5-1 Building Line means a line beyond '~lich buildings must be
set bnck from the street line.
5-2 Corrmission means the governing body as contr~sted with the
City Planning Commission of the City of Schertz.
5-3 Maier Street means a principal traffic artery, more or less
continuous across the City, 't:lhich is intended to connect remote ';1arts of
the City or areas ~djacent thereto, and act as a principal connecting
street with state and federal highways, and shall include each street
desi~nated as a thoroughfare on the Major Street Plan, including all
existing and proposed major streets ShO'l;VIl on the Major Street P1.an as
adopted by the City Commission.
5-4 Collector Street means a street collecting traffic from
other streets and serving as the most direct route to a thoroughfare,
including all existilLJ; and :,roposed major streets sho'\.vn on the M3jor
Street Plan as adopted by the City Commission.
5-5 Local Street means a street uhich is intended primarily
to serve traffic uithin a neighborhood or limited residential district,
and which is not necessarily ~ontinuous through several residential
districts.
5-6 Industrial Street means a street intended primarily to
serve traffic withirr an area of industrial develorment or proposed
industrial development.
5-7 Com],rehensive Haster Plan means the comprehensive plan of
the City of Schertz, and includes any unit or part of such plan separately
adopted and any amendments to such plan or parts thereof.
5-8 Plat means the map, drawing or chart on which a subdivider's
plan of a subdivision is presented, which he submits for aJproval and a
copy of uhich he intends to record in final form.
5-9 Street Width means the shortest horizontal distance between
the lines which delineate the right-of-way of a street.
5-10 Subdivision means the division of any lot, tract or par~e1
of land into tl;{O or more lots or sites for the purpose, whether immediate
or future, of sale or of building development. It also includes resub-
tiivision of land or lots, Division of land in rarce1s oc three (3) or more
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acres each shall not be included in this definition or subdivision,
unless nny such divisiorr of three (3) or more acres includes the
,11anning or development of a neH street or access easement.
5-11
limits, (b) a
is accessible
Urbnl1 Subdivision menns (a) a subdivision iJi thin the City
subdivision "hich is ",ithin tHO (2) miles of the City, and
to the City by public road.
5-12 SuburbDrr Subdivision means and includes all subdivisions
situated Hithin five (5) miles of the City limits "hich are not Urban
Subdivisions as herein defined.
SECTION 6: Rull2s and RG~ulations of The City Plai:ning COl1:mission.
The City Plnnning Commission may adopt rules of 'Jrocedurc to
govern its actions. After ~')ublic hearing thereon, the City Planning
Commission ,may adopt rules and regulations govcrn"ing i)lnts and sub-
divisions. Such rules shall be consistent with the "rovisions of this
Ordinance and shall become effective upon being filed with the City
Secretary.
SECTION 7: Apoenl From Commission Action,
Any subdivider aggrieved by a finding or nction of the City
Planning Commission ",hich is lm.,ful1y subject to revL", by the City
Commission shall a,)peal to the City Commission Ilithin thirty (30) days
from the dnte of such finding or action, and not thereafter. Nothing
in this Section shall prevent a right 0':: review by a court of competent
jurisdiction..
SECTIOH 8: Enforcement,
In addition to any other remedy provided by l,m, the City a"d
its officel's shall have the right to enjoin any violation of this Or-
dinance by injunctiun issued by a court of competent jurisdiction.
SECTION 9: Severability Clause.
If a:1Y provisio~l of this Ordinance) or the aL)~)lication thereof
to any person or circumstances, is held invalid, the remainder of the
Ordinance, and the appli~ation or such provision to other persons or
circumstances shall not be affected thereby.
SECTION 10: Variance.
Where literal enforcement of a provLs1on of this Ordinance Hill
render subdivision of a tract of land impractical, and will result in
thc confiscation of pro,Jerty, the City Planning Commission shall have
authority to grant n variance from such provision.
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SECTION 11: Guarantee of Performance.
11-1 Public Horks Improvements. No "lat of any subdivisioa shall
receive final approval unless the subdivider ha.s cOffi.llied or i)rovid;;;d for
comr1iance tvith the: t101icies and procedures set forth in Exhibit A, T1Speci-
ficntiollS and Desig~l" St;ndards for Public l-lerks Improvements, ~1 1;V'hich is
attached hereto and made n part hereof. Until such ;)olicies and procedures
have b~e" com)lied ,"ith by the subdivider and the p13t approved by the
City Plauning Cowni$sioo as her~in required, no building} water sewer,
~'llumbing or electric~l :)(:~rmit shall be issued by the city as to any
property in the subdivision.
11-2 Perforra3nce Bond. Prior to the approval o[ the subdivision
plat the subdivider must file "ith the Mayor a bond executed by a surety
company holding a license to do business in the state of Texas in an amount
c{;ual to the cost of improvements gu.'rranteeing to the city that such im-
rrovemcats shall be constructed ana completed ill a satisfactory manner
and ,"ithin 'a period specified, but such period shall not exceed two years.
Said bo.ld shall be a,'proved by the City Attorney and shall be made i,ayable
to and enforceable by the City of Schertz. Ul,on substanti31 compliance
and approval of all improvements as vie"ed by the City Engineer, the bond
may be released in writing by the Hayor and may be returned to the develof,er,
11-3 Where Bond Not Prerequisite to Approval. The filing of a
performance bond shall not be a condition !?recedent to the approval of a
plat >"here the subdivider, 'Jrior to the last regular meeting of the City
Planning Commission before the expiration of thirty (30) days from the
date the "lat "as filed for a:?proval, has signed and filed with the City
Planning Cormnission fin instrument in substantially the follo"tving form.
I, , do hereby agree
that, if the proposed plat of (name of sub-
divisio:\), filed by me for approval on the _ day of , 19_, is
approved by the City Planning Commission or the City of Schertz, Texas,
the City Secretary of said City may retain said plat in his ~ossession,
't,1ithout recording same) until I have either constructed all site improve-
ments required under the provisions of the City of Schertz Subdivision
Ordinance, other than gas and electric lines, or have filed "ith the City
a bond in an amount equal to the cost of all such uncompleted improvements,
as estimated by the City Engineer, guaranteeing that all such uncompleted
improvements "ill be constructed "ithin two (2) years from the date of such
bond. Said bond shall comply ,"ith the requirements of Section 8 (b),
insofar as such re~luirements arc applicable.
EXECUTED this
day of
19
11-4: Serving Subdivisions With Utilities.
Unless aud until a pInt of an urban subdivision has been a~proved,
and the subdivider has constructed the streets, curbs, gutters, paving,
utilities and drainage facilities therein, in the manner :?rovided for in
this Ordinance, it shall be lmla"ful for any official of the City of Schertz
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to serve or
by the Ci ty
t,lat) or to
con~ect any public utilities owned, controlled, or distributed
of Schc~tz to any land, or any part th~reoE; covered by s~id
the 0\1ners or purcha.sers of said land l or any pnrt thereof.
SECTION 12:
Dedication 3i"H.l Maintenance of Streets.
Dis3(1proval of a plat by the City Pl.:mning COI1'Lrnission shall be
deemed n refusal bJ the City of Schertz to accept the offered dedications
shOt-In thereo~l. Approval of a plat shall not be deemed an 3ccepti'lncc of
thl2 pro:~o~cd dedications and shall not impose nny duty upon the City con-
ccrnin(} the. maintenance of or improvements of any such dedicated parts
until tIle rroper authorities of the City have actually D~~ro~riated the
same by entry, uSe or iml)rOVement. It shall be unlm-lful i."or D.ay officer
or employee of the City to enter Ui)on or muint.oin the streets in an urb.;Jl1
subdivisioi.:l and the City t"lill not accept or maintain said streets ~ unless
and until such streets have been surfaced~ curbed and guttered, aud the
requircJ utilities and drainage facilities have been installed; and such
im)'irovemcnts have been accepted by the City, t"lith sucb acccpt~nce evidenced
in Hriting by ~vritten certificate of the City Engineer.
PART II - PROCEDURE
SECTION 13: Pre-Application Conference.
Prior to the prcnnration of the preliminary p lnt, the subdivider
may seck the advice or the Commission in interpreting the regulntions.
This step docs not rc~uire formal application, fee, or filing of any plat
\lith the Commission. At such a meeting the Commission 'i'lill be able to maice
any suggestions that '\JOuld direct the proposed subdivision tow"ard desirable
objectives and possibly prevent unnecessary work and expense if objectives
are not met.
SECTION 14, Pre liminal'Y Plat.
1!;.-1 GenerJl. In order to secure the revie;;.,r a~1d a~)proval of a
pro~!osed subdivision by the City Planning Commission the l)rospective sub-
divider shDll, prior to making any street im?rovements or installation of
utilities, submit to the City Planning Commission a lJreliminary (plat) plan.
On approval of said prelimillary (plat) "Ian the subdivider may proceed "lith
the preparation of a fiual ,)lat and such other plans and documents as re-
quired by this Ordiaance.
14-2 Filing Procedure. All plans submitted [or action by the City
Plannillg Commission shall be filed "lith the City Secretary not lesE! than
five (5) days prior to the next meeting of the City Planning Commission
at uhich it is to be cOllsidered. A certificate of filing shall be main-
tained by the City Secretary and a copy of sueh certificate shall be given
to the ~)3rty filing the ,;lan. The preliminary plan shall be accorn;Janied
by a filing fee of THenty-Five ($25.00) Dollars plus an additional fee of
Ten ($10.00) Dollars per acre, or fractiotl thereof, for the first five (5)
acre$, and one ($1.00) per acre or fraction thereof, for the next 95 acres,
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,
and ten cents (lO~) per acre for all additional acreage of the land 'being
subdivided. Such plan ahall be delivered to the City Engineer, who shall
cause the same to be checked and verified, prepare a report to the City
Planning Commission setting forth his findings, and file such r~~t to-
gether with the plan with the City Planning Commission at its next regular
meeting.
14-3 Master PreliDlinary Plat or Larller Tract. Where'th.. proposed
subdiv~sion constitutes a unit of a larger track owned by the subdivider
which he intends to be subsequently .ubdivided as addi,tionel urdu'" en the
same subdivision, the subdivision plat .hall be accompanied by 'a lay put of
the entire area, showing the tentative l.yout of street.,. blo~jc.' &!Dd' ,4'rain-
age fo.: such area. The overall layout, if approved by the'Cf'tr P'~ing
COmmission shall be attached to and fil.d with a copy of the approv~ .ub-
division plat in the permanent fil.. of the City. Th.re.~ter, f~aet$onal
final plats of subaequent unit. of .uch .ubdivision IIUIY be .~m:U:tedc"with-
out additionel preliminary plat ~pproval. and ah.ll confo~'to ~ch approv.d
ovarall layout. unle.. changad by, the City, Planning Co_is.ion.
14-4 Specification.. A pr.liminary plan of any proposed .ubd1vi.ion
.hall consi.t of a drawing 01\ tracing paper drawn to "ftal1lot 100 ~et to
one (1) inch, .nd .hall show the tollowing information:' '., ' :
A. Th. data. .c.le. and north point; a key plan .howing
location of tha tract; the title undn which th. plat
i. to b. recorded. .nd th. name. of the ~r .nd
engin..r. land planner, land.c.p. architect', ~t:hi-
teet or .urv.yor or other penon pnpartrta"~'J.ill.t.
B. The exi.ting boundary lin.. and acreage 'of the ~d to
b. .ubdivided. and the property lin.. and 'n.,.. of
ownera of adj.cent prop.rti...
C. The location of the c.nt.r line ofaxi.ting water
cour.... railroad. and oth.r .imilar draina.. and
tran.portation featur... and the location and.il..
of .xi.ting .tr..t.. .ll.y.. ....ment.. lot. and
public ar.a. on or adjoining any part of the ,land.
D. Topographical information approximat.ly aquiv.i~t to
five (5) foot contour lin... Such contour l1~. to
be not more than 100 horizontal fe.t apart. '.nd"'pa..d
on City .tandard datum, Qr U.S,G.S. datum.wtndl!:shall
be specified on the plat. 'I'
E. The location. aize and flow line of all exi.tin.~ai.
structures on the land beina .ubdivided and 011 'actj~lini
tracts.
F. The names, locations. widths and dimensions of proposed
streets, alleys, eeeements. parks and other public
-6-
spaces, sites for all private USeS other than single
family dwellings, lot lines and building lines.
14-5 Processing of Preliminary Plat. The City Engineer shall
check the preliminary plat as to its conformity to the major street
plan and other elements of the Comprehensive Plan. Copies of the plat
shall be submitted to all agencies who are involved with providing
public service) dr~inagc or provisions affecting the development of the
tract or public safety. Each agency shall be instructed regarding the
filing date of the plat and its review schedule.
The City Planning Commission shall approve or disapprove
any preliminary pl~n within thirty (30) days from the date it is filed.
Approval of the preliminary plan as such shall not constitute final
acceptance or approval of the subdividion. \Vhen a preliminary plat
has been approved by the Commission, the final plat, as defined in
Section 15, shall be submitted within six months thel"eafter; otherwise,
approval of the preliminary plan shall terminate unless the time for
filing of the plan is extended by the Commission at the request of the
subdivider.
SECTION 15: Final Plat
15-1 Filing Procedure. Upon approval of the preliminary plat as
herein set forth or if the preliminary plat meets the requirements herein
set forth for a final plat, the City Planning Commission may, on request
of the subdivider, consider such preliminary plat as a final plat and
approve or disapprove the same as such, provided such nction is taken
within thirty (30) days from the date of its filing. If the r>reliminary
plnt is npproved only as such, a final plat shall be delivered to the
City Secretary who shall file it with the City Planning Commission at its
next regulnr meeting. Each plat shall be accompanied by certificates from
the City and County Tax Collectors that all tnxes on the land being sub-
divided have been ~aid to the current year, and "hen the plat is also con-
sidered as a preliminary plan the required filing fee.
15-2 Snecificntions. The final plat shall be drawn in black ink
upon film, linen, tracing cloth or other permanent tracing material 24:t
,;,ide and 36" long to a scnle of 100 feet to one (1) inch nnd shall show the
following information:
A. Date, subdivision title, scale, and north point.
B. The names of the adjoining subdiVisions or the names of
the adjoining property ol>ners, together I>ith the respective
plat or deed references.
C. The lines and names of all proposed streets or other I>ays
or easements (including a stntement of the purpose for
I>hich such ensements are dedicated), and other open spaces
to be dedicated fcr public use or granted for use of the
inhabitants of the subdiVision.
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D. Sufficient data to determine readily and reproduce on the
ground the location, bearing ~nd length of every street
line, lot line, boundary line, block line and building
line whether curved or straight, and including true north
point. This shall include the radius, central angle, and
tangent distar.ce for the property lines of curved streets
and curved property lines that ~rc not the boundary of
curved streets.
E. The location of all permanent monuments nnd control points.
F. Suitable primary control points to ,,,hich ~ll dimensions,
bearings and si~ilar data shall be referred. Dimensions
shall be sho,;n in feet and hundredths of a foot.
G. Restrictive covenants imposed on the land if desired by
the subdivider.
H. A statement signed and acknowledged by the o'mer dedicating
all streets, alleys, easements, parks and other open spaces
to public use, or when the subdivider h~s made provision
for perpetual maintenance thereof) to the inhabitants of
the subdiVision.
1. Thc signatures of the Chairmnn and Secretary of the City
Planning Commission attesting approval of the plat.
(See Appendix)
J. A certificate bearing the signature Dnd seal of the
Engineer or surveyor who made the survey certifying that
the requirements hereof have been complied with.
(See Appendix)
K. If the subdivision is not to be served immediately by a
water utility, a restriction prohibiting occupancy of any
lot until water satisfactory for human consumption is
available from a source on the land, a community source,
or a public utility source, in adequate and sufficient
supply for family use and operation of a septic tank and
system shall be provided.
L. If the subdivision is not to be served immediately by a
smmge collecting system connected to a community septic
tank or treatment plant or to a public sewer system, a
restriction prohibiting occupancy of any lot until a
septic tank has been installed on such lot and has been
inspected ~nd approved by the City-County Health Officer
shall be provided.
15-3 Proccssin~ of Final PInt.
A. lh thin thirty (30) days from the filing of any final ()lat
the City Planning Conunission shall disapprove such plat unlet'
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(1) The plat comJlies with the }rovisions of Section 8;
(2) The subdivider has com"Ucd <lith the re<;uired
standards of desien; and
(3) (a) In an Urban Subdivision, the subdivider has
constructed and installed streets) paving, curbs,
~utters, utilities and drainage facilities in his
subdivision in accordance with the provisions of
Section 11 or has made provision, by making a cash,
corporate bond or depositing money in escrow, each
in an amount equal to the estimntcd cost of con-
struction and installing the required improvements,
that in r:w event of the failure of subdivider to
make such improvements, the same \.;i11 be constructed
and installed without cost to the City of Schertz.
(b) In a Suburban Subdivision the subdivider has
constructed and installed streets, roads, bridges
and drainnge structures in ~ccordance with the
requirements of Guadalupe County, and the County
has approved and accepted such streets and roads
for maintenance, or ~Jrovisions satisfactory to the
County, for such construction, installation, approval
and acceptance for mnintenance have been made ilith
the County.
B. When the City Planning Commission is satisfied that the
technical requirements of any such subdivision plat have
been com~lied with by the subdivider, the City Planning
Commission shall enter an order disar~roving the final
plat subject to action of the City Commission "lith
reference to such utility contracts) street construction,
drainage and other matters as the City Commission may law-
fully review. Upon taking such action, the City Planning
Commission shall cause the final plat to be forwarded to
the City Commission without delay accompanied by a copy
of the City Planning Commission's action with reference
thereto, together ,.,ith a written statement of any griev-
ance or disagreement which the subdivider has requested
that the City Commission act upon. After the City Com-
mission is satisfied that the subdivider will comply with
all r8quirements for utilities and street construction and
has returned the final plat to the City Planning Commission,
indicating such action as the Council may have taken in
regard to the final plat, then the Commission shall enter
its order giving final approval of such plat.
C. Any final ~lat not disapproved Hithin thirty (30) days
from Ute date of its filing with the City Planning Com-
mission shall be deemed to have been approved and a
certificate showing said filing date, and the failure to
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take action thereon within thirty (30) days from said
filing date shall on demand be issued by the City Planning
Commission, and said certificate shall be sufficient in
lieu of a ,,,ritten endorsement or other evidence of approval.
D. After a final plat has been approved the City Planning
Commission shall cause such plat to be recorded in the
Plat Records of Guadalupe County, Texas.
PAIlT III - DESIGN STANDARDS
The fo 1l01'Iing des ign standards sha l1 app ly to
both urban and suburban subdivisions unless
otherwise rrotcd.
SECTION 10: General Design Principles and Objectives
16-1 Conformity with Comprehensive Master Plan. All subdivisions
shall conform to the Comprehensive Master Plan for orderly and unified de-
velopment of streets, utilities, neighborhood design, and public land and
fad lities.
10-2 Achieving Desirable Neighborhood Development. Residential
subdivisions shall be designed to take advantage of the principles and
general designs for neighborhood development as established by the Com'"
rrchensive Master Plan and the City Planning Commission in oreer to
ach:Leve the most advantageous development of the entire neir;hborhood unit
in tY'hich the subdivision is located.
16-3 Provision for Future Subdivision. If a tract is subdivided
into parcels larger than ordinary building lots, such parcels shall be
arranged to allou logical further subdivision and the opening of future
streets.
16-4 Standards for Site Improvements. All streets, alleys, side-
\1alks, t1tility installations and other site improvements required to be
installed by the subdivider under the provisions of these regulations
shall conform to the requirements of this section and to the then current
policies, specifications, and regulations of the City of Schertz, or other
opproved agencies responsible for design, constructiod methods and standards,
payment, refunds, credits and other financial arrangements.
SECTION 17: Streets.
17-1 Street Layout. The arrangement, extent, character, width,
grade and location of all streets shall conform to the Major Street Plan
and the Comprehensive Master Plan. Minor residential streets shall pro-
vide adequate circulation "ithin the neighborhood and yet discourage through
traffic. The street layout shall be arranged to achieve the most desirable
dev<:lopment of the entire neighborhood unit ',ith appropriate consideration
of creeks, drainage channels, wooded areas and other topographical features
t;.:hich lend themselves to special treatment.
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17-2 Relation ~:o Ad ioining Streets. l>Ihere appropriate to the
neighborhood pattern, e; isting streets in adjoining areas shall be con-
tinued alld tied into th l,roposed street layout. The uidth and align-
ment of such streets sb 11 be as determi~ed by the City Planninu Com-
r,1ission.
17-3 Pro lecti, ,1 of Streets. \Vhen adjoining areas are not yet
subdivided, tIle [,Jrrang', ment of streets shall provide for th~ ;~ropGr pro-
jecti.on of streets int< ;:he adjoining unsubdivided are[lS as 'will ue re-
quired to complete the -l"'ighborhood pattern or conform to the Comprehen-
sive Pl(J~1.
17-4 Pr:,v<:ltc ~ ::::i~cts.. Private streets 't'lhich serve more than one
!:'esidentiul lot:-~or Ont. ~ r-;;re multi-family structures o\.mcd b./ more than
one person or conorati m arc expressly forbidden. All such streeLs shall
be dedicated to the pulU c ia accordance t1ith these regll1ations.
17-5 Partial c r ]alf Streets. In the case of minor streets, no
ne\l half-streets shall x platted. loIhere the proposed subdivision abutts
u'on an existing half-, ereet, the remaining half of the street shall be
?latted. In the case cf secondary streets and major thorofares, half-
streets may be L)latted l if necessary, in conformance 'oith the Com.}rehell-
sive Master Plan.
17-6 Dead-EGd Streets and Cul-de-Sacs.
A. Dead-end streets shall be prohibited, exc~pt as short
stubs projected to be contiuued in future subdivisions i~
cO~lformance ~...ith SectioL. 17-3) or ~qhcn designed as Cul-de-
Sacs. Temporary turn-arounds shall be provided on pro-
jected streets until such time as they are extended.
B. Cul-de-Sacs shall not exceed four hundred (400) feet in
length and shall have a turn-around of not less tl,an one
hundred (100) feet in diamet~r in single family residen-
tial areas, one hundred twenty (120) feet in multi-
family residential areas and not less than two hundred
(200) feet in diameter in commercial and industrial areas.
17-7 Alignme~t. The alignment of all major thorofares and
secondary streets shill conform to the Comprehensive Master Plan and
the requirements of Exhibit .JAil of these regulatioi1s. Minor street
alignment sh.!lll meet the requirements of Exhibit "A;: and in no case
shall street jogs be offset less than one hundred twenty (120) feet
on centerline.
17-3 Intersections. All intersections on major thorofares and
seco:1dary streets shall be at ninety (90) degrees except as shOl']U on the
Com,orehellsive Haster Plan or approved by the City Planning Commission.
The intersections of minor streets shall be as nearly ninety (90) degrees
;]S j)r8cticable. The curb radii at street intersections in urban sub-
divisions shall cOllform to Table I of Exhibit "A".
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17-9 Right-of-Way and Pavement Hidths. All street and pavement
"idths shall conform to the Comprehensive Master Plnn and the requirements
of Exhibit 'A", but i" no case shall the right-of-Hay Hidths be less than
the follo1oJ'Llg:
A. Major thorofares - eighty (80) feet,
B, Secondary streets - sixty (60) feet.
C. Minor streets - fifty (50) feet.
17-10 Stre.et l"!arnes. !':;!.nmes of ne\Y' streets shnli Hot duplicate the
names of cX:Lstirig streets Hithin the county unless the 1112\",1 street is a con-
tinuntio.) or or i:.nrt or a future continuation of such existing street.
Street names shall be chosen to avoid similarity or confusion Hith existing
street names. Nr.:mes of all ne'tv streets shall be subject to n')proval b/ the
City Plnnnir13 Commission, and coordillateu Oi1 an area-'{.7ide basis.
17-11 Other Hinimum Improvements. Additional im?rovements such
n~ street lights and street name signs shall be installed in accordance
'uith minimum re(luirements of Exhibit !FAll and then current policies of the
City Planning Commission.
17-12 Construction Standards. All streets sholl be constructed
~~ith reference to base, surfacing, curbs, grades, horizontal curves and
intersection curve radius in accordance 1;.,ith the stnndards prescribed in
Exhibit "A' of these regulations and the then current specifications of
the City of Schertz.
17-13 Reserve a provisional one-foot reserve shall be used alone
the side or end of stre2ts that abutt property not subdivided in a recorded
plat.
17-14 Temporary Ri~ht-of-Way. .!hen deemed necessary by the City
PlanninJ Comrnission~ temporary right-af-way shall be provided for certain
uses or locations~ such as the ?rovision of turn-arounds on projected
streets. Such temporary right-of-Hay shall revert to the abutting property
OHners Hhen no longer required for its original purpose.
SECTION 18: Alleys.
18-1 Commercial and Industrial Districts. Paved alleys not less
than n.enty (20) feet Hide shall be provided in all commercial or industrial
districts, except that the City Planning Commission may Haive this require-
ment where other definite ~nd assured provision is made for service access,
such as off-street loading, unloading and parking consistent Hith an ade-
qunte for the uses )ro~osed.
18-2 Residential Areas. If alleys are provided in residential areas
they shall be not less than sixteen (16) feet Hide.
-12-
13-3 Intersections and Turns. Alley intersections and sharp
changes in alignment shall be avoided} but 't'lhere tt"lO olle.ys intersect,
or on alley tur::>s "t an angle s;,arpe.r than one hundred (100) degrees, a
cut-off of not less than ten (10) feet from the normal i:1tersection of
the property lines shall be ?rovided.
10-4 Dead-End Alleys. Dead-end alleys shall be avoided where
'Jossib1e, but if unavoidable, shall be provided with adequate turn-around
facilitil2s ns determined by the City Planning Commission .::i.nd have no less
than sixteen (16) foot pavement width.
10-5 Construction. All alleys shall be constructed in 2ccordanc~
"(-lith the standards prescribed in Exhibit IIAl! of these re(?;ulations.
SECTION 19: Easements.
19-1 Utility Easements. In residential areas where alleys are
not platted, casements shall be provided for installation of utilities.
In general the rear easement shall be twenty (20) feet wide, centered on
the rear lot lines. Additional requirements for public utility easements
shall be determined by the City Engineer.
19-2 Drainage Easements. ~1here the subdivision is traversed by a
'tJater course, drainage way, channel or stream, there shall be rrovided a
storm water easement or drainage right-of-way conforming substantially with
the lines of such \later course, and of sufficient ,dath as determined by the
City Engineer I to accommodate further l>1idth or construction and allow access
for maintenance.
SECTION 20: Pedestrian Circulation.
20-1 Sidewalks. Paved side"a1ks shall be provided on both sides
of Major and Secondary Streets and on one side 02 all other streets in all
residential areas in urban subdivisions as prescribed in Exhibit "A".
Sidewall,s shall not be required in suburban subdivisions.
20-2 Crosswalks. Pedestrian crosswalks not less than ten (10) feet
\1ide, with not less than rour (4) feet of paved surface shall be dedicated
in urban subdivisions where deemed necessary by the City Planning Commis-
sion, to provide access to schools, playgrounds, shopping centers aud
other neighborhood facilities.
SECTION 21: Blocks
21-1 General Layout. The lengths, widths, and shapes of blocks
shall be determined with due regard to:
A. Provision of adequate building sites suitable to the
special needs of the type of use contemplated.
B. Zoning requirements as to lot sizes and dimensions.
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C. Needs for convenient access, circulationJ control nnd
safety of street traffic.
D. Limitations and op~ortunities of topography.
21-2 Length. In general block lengths alon~ minor or secondary
streets sholl not exceed one thousand four hundred (1,400) feet or be less
than five hundred (500) feet, and along major thorofares shall not exceed
one thousand ei:;ht hundred (1,800) feet or be less than nine hundred (900)
feet.
21-3 lhdth. In general, blocks shall be platted of sufficient
\,.;ridth to contai.n tHO tiers of lots 't'lith alley or utility easement bct't'leen
themJ except Hherc lots are double-fronted on major thorofares, railroadsJ
or drainage: channels, or uhere overall neighborhood design justifies a
different layout, or Hhere a single tier of lots is platted to adjoin the
rear of existing lots of un~latted tracts.
SECTIot; 22: ~.
22-1 General Layout. The size, ,.idth, depth, shape and orienta-
tion of lots shall be appropriate for the neighborhood in which the sub-
division is located, and for the type of development and USe contemplated,
to assure provision of proper open space and prevent overcrot"cling.
22-2 Lot Dimensions. Lot dimensions shall conform to the zoning
ordinQuce or the following requirements, if more restrictive:
A. Residential lots where not served by public or approved
off-lot sewer shall be at least seventy (70) feet wide,
at least one hundred twenty (120) feet deep and have an
area of at least nine thousand (9,000) square feet. In
addition the City Planning Commission shall request the
City or County Health Office to cause a percola.tion test
to be made and shall require such lot area as recommended
by the Health Officer, but in no case less than nine
thousand (9,000) square feet.
B. Residential lots where served by public or approved
central sewerage system shall be at least fifty (50)
feet wide, at least one hundred (100) feet deep and
have an area of at least six thousand (6,080) square
feet. 7, S()O
C. Depth and width of properties laid out for commercial
or industrial purposes shall be adequate to provide for
the off-street service and parking facilities'required
by the type of use and development contemplated.
D. Corner lots shall have sufficient width to permit the
required building setback and proper orientation to both
streets. Lots abutting on cross-walks shall be treated
as corner lots.
-14.
E. Where a residential lot backs up to a railroad right~of-
1;'7.8Y, high pressure gas line, industrial area or any other
lo.nd use ~',1hich may have a depreciating effect on residen-
tial ~roperty, and where ilQ marginal access street or other
street is provided at the rear of such lot, additional
derth shall be required, not to ~xcccd a total of one
hundred fifth (150) feet. \lhere a lot sides to any of
the above, appropriate additional width shall Le required.
A planting screen, no-access casement of nt least ten (10)
feet shall be provided along the line or tots abuttinG
such traffic artery or other dis,::Hlvilntagc.ous land use.
F, If a residential lot faces a major thoroLare it shall be
at least ten (10) feet deeper than otheruise required.
G. Radial residential lots shall be at least fifty (50)
feet wide at the building line.
22-3 Orientation. Residential lots shall be oriented to take
advantage of topogra;)hy, and the best relationship to the overall desi[;n
of the neighborhood and to minimize the effects of any surrounding depre-
ciating land uses.
A. The ~lacing of residential lots facing directly upon a
major thorofare shall be avoided, unless lots face a
mar~inal access street parallel to such major thorofare.
Lots should side or back to major thoro fares and other
depreciating land uses.
B. The placing of lots at right angles to each other (with
rear and side lot lines adjacent) shall be avoided.
C. Side lot lines shall be as nearly perpendicular as
practicable to the street the lot faces, or radial
to curved streets.
22-4 Access. Every lot shall be provided with, adequate access
to a public street, either by direct frontage on such street, or by a
public pedestrian accessway approved by the Commission. Rear and/or
side driveway access to major thoro fares shall be prohibited.
22-5 Building Lines. Minimum front and side building setback
lines at streets and cross-walks shall be shown on all plats and shall
conform to the restrictions, if any, imposed on the subdivision by the
subdivider, but in no event shall such setback lines be less than re-
quired by the zoning ordinance or the following minimum requirements.
A. Interior Lots;
(1) Fronting on minor street: ~.enty (20) feet.
(2) Fronting on secondary street: Twenty-five (25) feet.
(3) Fronting on major thorofare: Thirty-five (35) feet.
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B. Corner Lots: Same as interior lot requirement on each
street.
SECTION 23: Public Sites and Open Spaces.
23-1 Ce;oformance uith Comprehensive l'lsster Plan "here a proposed
~Jark, school, playground, or other public facility ~s ShO\VIl in the Com-
prehensive Master Plnn or official neighborhood plan is locdtcd in whole
or in part in a subdivision, the subdivider may dedic.::!te slJch land to public
use) or shall cause such land to be held in reserve for [I period of three
(3) year::.; ";:"rom date the plat is recorded for t)urch.::lse b:r tile appropriate.
public ~!,[;enC'y. If detailed plans are not available [or lhe land to be
l.Jublicil~r l:.3cd) the City Planning Commission shall cnuse such determination
to be m&l;~ \.Tithin r23.sonuble period of time and inform the subdivider of the
extent of land area rec:uired.
23-2 Other Public Land. l;here deemed essential by the City Plan-
ning Corl1mission, upon consideration of the particular type of development
)t'oi.Josed in the subdivision, and especially in large scale neighborhood
unit develo,>ments not anticipated in the Comprehensive Master Plan, the
City Planning Commission may require the dedication or reservation of such
other areas or sites of n character) extent and location suitable to the
needs created by sub-development for schools, parks, and other neighborhood
purposes~
SECTION 24: Protection of Natural Features. The Commission may decline
approval if due regard is not sho~~ for the preservation or natural features
such as large trees, water courses, scenic points, historical spots and
similar community assets, ~Jhich if preserved, ,.;rill add attractiveness,
stability and value to the property.
PART IV - Rt:QUIRED I11PROVEHENTS
SECTIon 25: Honuments. Concrete monuments shall be placed at all block
corners, angl2 points, points of curve, and all corners of boundary lines
of the subdivision as required by City Engineer. All intermediate property
corners shall be marked with iron stakes. Placement, size, length, and
type of monuments shall conform to specification of the City Engineer.
SECTION 26: Street Improvements. All street improvements shall meet the
then current requirements of the Comprehensive Master Plan, specifications
of the City Engineer, and the requirements of Exhibit "A" of these regula-
tions, but in no case shall be more minimal than the following specifica-
tions:
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SCHEDULE OF MINIMUM STREET IMPROVE~ffiNTS
Cl[lssification
Right-
~y
Pavement
Standard*
A B
Drainage Standard
A B
Sidewalk
S ta ndard
A Only
Exp re S sHay
As required by Comprehensive Pl~n, City Commission and
Highway Department
l1aJor Ihorofare
As required by Comprehensive Plan, City Co~mission and
Highway Department
Secondary Thoro-
fare
601
/'0-44 241 Curb & Ditch & 4' Both Sides
Gutter Culvert
28' 20' Curb & Ditch & 4' either side
Gu tter Culvert
28' 20' Curb & Ditch & 4' on Sub-
Gutter Culvert division Side
only
Minor Street
50'
Frontage Street
40'
* Standard 'A" applies to urban subdivision,
Standard "B" applies only to suburban subdivisions.
SECTION 27: W~r Systems.
27-1 General. All water supply, treatment, storage, and distribu-
tion facilities shall be f'lraished and in'talled in compliance with the re-
quirements of Exhibit 'A" of these reguJ.ations, and then current policies
and specifications of the City Engineer and the Texas State Department of
Heal th.
27-2 Urban Subdivisions. Every lot in an urban subdivision shall
be provided with an approved supply of water, either by the construction of
a distribution system connected to an adequate approved public water system,
or if such public source is not available, by construction of a complete
water system, including a safe, adequate water source, proper treatment
facilities, pumps, storage facilities and distribution system, approved by
the State Department of Health.
27-3 Suburban Subdivision. Every lot in a suburban subdivision
shall be provided with water satisfactory for human consumption from a
source on the lot, or a public utility source, in adequate supply for
family consumption, and for operation of a septic tank as required by
these regulations if the lot is not served by public sewer.
27-4 Fire Hydrants. Every urban subdivision shall be provided with
standard fire hydrants as part of the water distribution system, in accord-
ance with the then current policies of the City so that every lot is within
five hundred (500) feet of a fire hydrant.
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SECTION 28: Sewerage Systems.
28-1 General. All facilities for the collection nnd disposal of
Si2\ilCrage shell be furnished and installed in compliance hTith the require-
ments of Exhibit "All of these regulations, the then current policies and
s'l€cificntions or the City Engineer, and the Texas State Department of
Health.
23-2 Sanitary Sewers. Sanitary sewers shall be installed to serve
each lot in all subdivisions where connection is to be made immediately to
a community dis~osal system or to a public S€'t'lerage system. Where such
connection is not to be made immediately, plans shall be ~)reeared for
install.::ition of n se\-Jerage collecting system to serve each lot, and those
parts of such system \vhich will lie in the portion of streets and alleys,
intended for vehiculor traffic shall be installed before such street or
alley is paved.
28-3 Septic Tank. In any subdivision in which immediate connection
to a sewerage system cannot be made, a septic tank of at least five hundred
(500) gallons capacity with a drain field of at least one hundred fifty (150)
feet shall be installed on lot in accordance with the regulations of the
appropriate health authorities.
SECTION 29: Drainage.
29-1 General. No lot in any subdivision which is subject to flood-
ing by rainfall shall be approved until drainage facilities adequate to carry
off such rainfall have been provided, as determined by computations by the
City Engineer.
29-2 Urban Subdivisions. All necessary storm drainage facilities
including enclosed storm sewers, bridges, culverts, and water course im-
provements, to carry off storm water within the subdivision and integrate
such subdivision drainage ,;ith the overall urban drainage system, shall
be installed in accordance with the then current requirements or the City
Engineer, Exhibit "A" of these regulations, and official urban and county
drainage plans.
29-3 Suburban Subdivisions. All necessary drainage improvements
shall be installed to assure that all rain runoff is carried to an existing
county drainage facility without crossing adjoining :ltoperty or causing
erosion of any land in accordance with any official county drainage plans,
Exhibit "A" of these regulations and the requirements of City Engineer> or
City Planning Commission.
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EXHIBIT "A"
SPECIFICATIONS AND DESIGN STA~UARDS
FOR PUBLIC WORKS UlPROVEMENTS
All urban subdivisions shall comply with the specifications
and design standards as hereinafter outlined. Suburban sub-
divisions shall comply 'tvith the specifications and standards
\i1ith the exception of such items as sidc'tvalk.s, curbs and
gutters, ete.) ~]hich are not required in rural subdivisions.
Hhen such itemG ,]hich are not req'Jired are p.evertheless in-
stalled by the subdivider these specifications slls11 apply.
A. Two copies of pIons and profiles for streets, alleys, sidewalks and
drainngc easements including the following information shall be sub-
mitted ''''~.th each final plat.
B. ~tr~ets. Alleys. and Sidewalks
1. ~
(a) 7ypica1 sections showing the proposed pavement width, type,
thickness and crown; the proposed curb or curb and gutter
type as required, location in relation to centerline and
exposure; the proposed sideualk dimensions and lccation in
rcl~tion to curbs and property lines; the proposed street
grading slopes, for each of the different types of streets
ilnd alleys in the subdivision.
(b) Alignment of each street, alley, sidewalk and crosswalk-way
sho\ving a beginning and ending station; each deflection angle
of the centerline and the station of the ;'oint of intersection;
the station of the point of curvature and the point of tangency
of each curve; the station and angle of intersection of each
iuters2ction with another street) alley or drainage easement;
the station and radius of each curb return; the location of
adjacent right-of-way lines; the location and limits of side-
walks and curbs of each street; the location of monuments.
(c) Location, description, and elevation of bench marks, the top
of curb grade at each curb end, each fifty (50) foot station
and each end of each curb return; the centerline grade at
each end and at each fifty (50) foot station of alleys; the
gradient of each tangent grade and the location and length
of each vertical curve; the direction of storm drainage flow
at each intersection; the profiles of streets) alleys) anJ
drainage ditches shall show the natural ground at adjacent
property lines and the proposed centerline.
(d) Scale, north arrow and date. Plan and profile shall be drawn
to scale of one inch (1") equals fifty (50) feet horizontally
and one (1") inch equals five (5) feet vertically.
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2. Design Standards
(a) At each street intersection the curb shall be rounded with a
curve of radius I1R11, varying t.]ith the interior angle as
specified in TClb1e 1. (Not required in rural subdivisions.)
(b) At each intersection the property lines ot each block corner
shall be rounded with a curve on radius "R", va,rying with the
interior angle as specified in Table 1.
(e] Street and alley grades shall, in general, conform to the
terrain, and shall not exceed the grades s.)e.:.ified in Table 2.
No street or alley grade shall be less than three-tenths (0,3)
cf onc (1) percent unless otherwise 8Decified by the City
EngineCl' .
(d) Horizontal curve radii shall not be less than those specified
in Table 2.
3. Constructi.on Reouirement~
The subdivider shall excavate, fill and grade all alleys and new
streets including sidewalk areas where required, "ithin the sub-
division So that pavements and sidewaLks may be constructed along
lines and grades approved by the City Engineer. In general, the
grades of sidewalk areas shall be so established that no extreme
or abrupt changes in grade are encountered within blocks, but
variations may be allowed where, because of soll conditions,
topography, or valuable trees, the establishment of such grades
would result in undue hardshi?_ New streets and alleys shall be
surfaced in accordance with i>lans and specifications approved
by ehe City Engineer and constructed under his su?ervision. No
street shall be surfaced until the underground utilities which
are to be installed in the portions of the streets intended for
vehicular traffic, have been installed.
New streets (including previously dedicated right-of-ways) and
existing unpaved streets abutting both sides to a new subdivision
or resubdivision shall be constructed in accordance with the stand-
ards of Table 3 and the following requirements.
(a) Sub-Grade Preparation
Subgrade shall be prepared in accordance with the specifica-
tions of the City Engineer, and compacted to a Proctor dry
density of not less than ninety percent (90%). When fill is
reguired it shall be placed in uniform lifts not to exceed
six (6) inches in depth prior to compaction with pneumatic
rollers or eight (8) inches prior to compaction with other
types of rollers. Each lift shall be compacted to ninety (90]
percent Proctor density before succeeding lifts are placed.
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(b) Flexible Base
When asphaltic pavement surfaces are used, the base shall be
.8 comr,actecl flexible base conn.tructed to the specifications
of the City Engineer, to the depth sho'"" in Table 3, "ith a
Proctor density of not less than ninety-five (95) percent.
(c) Stabilized Base
As alternate to the flexible base above, a compacted soil-
cement base "ith a Proctor density of ninety-five (95) percent
may be used, with soil-cement ratio and thickness to be ap-
proved by the City Engineer.
(d) Asphaltic Pavement
The compacted surface course shall be applied at the rates
specified in Table 3. The paving mixture and construction
methods shall conform to the specifications of the City
Engineer for Hot Mix, Hot Laid Asphaltic Concrete, Hot Mix
Cold Laid Asphaltic Concrete, or Cold Mix Lime"tone Rock
Asphalt .
(e) Concrete Pavement
All concrete pavement shall be Portland Cement concrete of a
depth and compressive strength specified in Table 3 and con-
structed in accordance "ith the specifications of the City
Engineer. Reinforcing steel shall be 6 x 6 "ire mesh or
number 3 round steel eighteen (18) inches on centers both
~vays .
(f) Curbs, Curb and Gutters
Curbs or combined curb and gutter sections, Hhere required,
shall be constructed of Portland Cement Concrete and installed
in accordance with the specifications of the City Engineer,
on all streets "ithin the subdivision along the lines and
grades approved by the City Engineer. Curbs or combined curb
and gutter shall be provided on both sides of all streets
"ithin urban subdivisions and on the side of boundary streets
adjacent to the subdivision.
(g) S ide,oa 1 ks
All side"alks and crosswalks shall be constructed of Portland
Cement Concrete at least four (4) inches thick and at least
four (4) feet "ide, according to specifications of the City
Engineer, and along the lines and grades approved by the City
Engineer.
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c. Drainage and Drainage Structures
L P bns
TI-i(: n)'-tuired I)lans sh.:::11 show the follm:ving information:
(u) Construction details of all drainage structures including
dimensions, reinforcing, and components such as grates and
manho le covers.
0)) Alignment of drainage easements shmV'ing :J beginning and
ending station; each deflection angle of the centerline,
and the stntion of the point of intersccti.Lyn; the station of
the point of curvature and the point or tangency of each
curve, the station Dud angle of: intersection of each iuter-
section ,.,ith another drainage easement, the location of each
drainage structure, and the location and size of all storm
S12\vers.
(e) The centerline grade at each end and at each fifty root station
of drainage ditches, the direction of storm drainage flow at
each intersection, the flow line elevations of each drainage
structure) the flow liue elevntion of each storm sewer, at
each point of change, each end, and Dt the intervening
gradients.
2. Draiuage Computations
(a) Run-off rates shall be computed as determined by the City
Engineer. In all cases run-orf rates shall be computed on the
basis of ultimate Jevelopment of the entire watershed contri-
buting run-off "ater to the proposed subdivision, on the basis
of concrete-lined channels and streets carrying storm water
in the contributing area,
(b) Streets may be used to carry storm water if the calculated
flow does not exceed that required by the City Engineer, or the
velocity does not exceed ten (10) feet per second. Minor
streets shall be designed on a five (5) year frequency. Where
streets are not capable of meeting the above requirements,
drainage structures shall be provided. Street widths shall
not be widened beyond width determined by street classification,
(c) Concrete and earth-lined channels and storm sewers shall be
designed on the basis of a twenty-five (25) year frequency.
(d) Alleys shall be designed on the basis of a five (5) year
frequency to carry storm water from only the lots within
the blocks abutting the alleys.
-22-
.
3, Construct'ion Standards
(.2.) All (lrainage structures sha 11 be cons true tcd in Dccordance
with the plans and 81)Ccifications and to the lines and grades
opproved by the City Engineer.
(b) All concrete used in drainage structures shall develop a
com"ressive strength of three thousand (3,000) p. s. i. in
twenty-eight (28) days. All castings shall conform to the
Standard Specifications for Gray Iron Castings, A.S. T .M.
Designation A-48 for Class 2 Gray Cast Iron.
(c) Q~~~~~ge Ditches. In concrete lined ditches the lining shall
~x~cnc! one foot beyond the height of the design flOl. line.
Bet~,'r(;cn the top of the lining and the top or the ditch an
earth sodded side slope not steeper than two (2) horizontal
to one (1) vertical may be used. Vertical concrete '"alls
shall not exceed two (2) feet in height unless properly
fenced or enclosed. Earth sodded channels shall be mulch
sodded over the entire surface area of the channel, and the
side slope shall not be steeper than three (3) horizontal to
one (1) vertical.
D. Sanitary Sewers
1. All gravity Sewers shall be vitrified clay sewer pipe conforming to
A.S.T.M. standards, and installed in conformance with the specifica-
tions of thc City Engineer. Concrete sewer pipe may be used in
areas in which there will be no industrial waste carried, upon
approval of the Engineer.
2. The minimum size of lateral sewer mains in residential areas shall
be six (6) inches in diameter. Minimum grades shall be sufficient
to ~roduce a velocity of two (2) feet per second.
3. All outfall mains shall be of sufficient size to accommodate the
maximum anticipated flow from the entire area tributary to the line,
as a?proved by the City Engineer.
4. Lift stations shall be furnished where necessary, of such size and
design as determined by the City Engineer.
E. Water Mains
1. All water distribution mains shall be installed in conformance with
the specifications of the City Engineer.
2. The minimum size of laternl water mains shall be six (6) inches in
diameter.
3, All principnl mains shall be of sufficient size to meet nIl anti-
cipated requirements of the system as determined by the City
Enginel2r.
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4. The layout of mains shall assure tWO-\lay IV"., at all "oints in
the system~ Hith the exception of extent:>ions of Cul-de-Sacs and
other dead-ends a;prcved by the City Engineer.
Interic j~ Angle
In Dl2gre;es
150-1L.5
145-1L,0
140-135
135-e5
85-75
75-65
65-55
55-45
45-0
Interior Angle
In Degrees
150-145
145-140
140-135
135-125
125-85
85-75
75-65
65-55
55-45
45-0
TABLE 1
CURB RETURNS
Intersection of
Local or Collec-
tor Streets
-R-
15
15
15
15
20
25
30
35
35
Intersection of Collec-
tor or Local Street and
Major Street
-R-
25
25
25
25
30
35
40
45
45
INTERSECTION RETURNS
Intersection of Local
~r ~o11ector Street
-24-
12
12
12
12
15
20
30
40
50
75
Intersection
of Ma ;or St!'et~
Intersection of
Major Strce~(s)
15
18
20
25
25
40
70
80
100
140
-R-
25
28
30
35
50
80
90
110
150
TABLE 2
STREET & ALLEY GRADES
Street or Alley Type
Express".;.my
}ICljor
Scc.ondary
Looa 1
l1arginal Access
Alley
Per Cent Grade
(Designated by State
Highway Department)
6%
6%
10%
10%
1070
Street Tvpe
HORIZONTAL CURVE RADII
Expressllay
Major
Secondary
Local
Marginal Access
Center Line Radius
(Designated by State
HighlMY Department)
1200'
700'
100'
100'
"25-
TABLE 3
STREET BASE fu\~ SURFACE STANDARDS - URBA~ SUBDIVISION
Street Classification
Base
Surface
Major Thor-of.:lrc.
12;' Flexible
Asvhalt, Hot Mix, hot
Laid, 200 Ibs per square
yard.
6!: Reinforced Concrete
3500 i>. s . i., "ith 6x6
mesh or equivalent IF3
s tee 1
Secondary Thorofare
8'; Flexible
Asphalt, Hot Mix, Hot
Laid, 125 Ibs. per
square yard~
6" Reinforced Concrete
3500 r.s.i., with 6x6
mesh or equivalent #3
s tee 1
Minor or Frontage
Street
6" flexible
1. Asphalt, Hot Nix,
Hot Laid, or Hot Mix
Cold Laid, 100 Ibs.
per square yard.
2. Rock asphalt, llz'
3. Double bituminous
surface treatment.
4. 611 unre info reed Con-
crete 3500 p.s.i.
Commercial Alley
6" Unreinforced Concrete
3500 p.s.i.
Residential Alley
5" Unreinforced Concrete
3000 p. s . i.
NOTE: In suburban subdivisions the construction of major and
secondary thoro fares will be determined by the State
Highway Department if classified under State or Farm-to-
Mark~t system, otherwise by appropriate County authority.
Minor streets shall be surfaced in accordance with County
requirements for ~cceptance for mDintenance.
-26-
.
EXHIBIT "B"
ACKNOWLEDGEMENTS AND CERTIFICATES
The final plat shall contain the follolJing:
1, Owner's Acknowledgement:
I State of Texas
County of
1.
1.
I (m,) , the undersigned, oIJner (s) of the land sho\Jn on this "lat, and
designated herein as the subdivision to the City of ,
Texas, and \Jhosc name is subscribed hereto, hereby dedicate to the use
of the public forever all streets) alleys, parks, water courses, drains)
easements and public places thereon shown for the purpose and consider-
ation therein expressed.
O;mer
State of Texas
County of
1.
1.
Ilucfore me, the undersigned authority, on this day personally appeared
, known to me to be the person ",hose name is subscribed
Ito the foregoing instrument, and acknowledged to me that he executed the
Isame for the purposes and considerations therein stated.
IGiVen under my hand and seal of office this day of
I
I
19
Notary Public,
CountYl Texas
2. Certificate by the City Engineer:
I I, the unders igned, City Engineer of the City of hereby
[certify that this subdivision plat conforms to all requirements of the
I subdivision regulations of the City as to \Jhich his approval is required.
!
,
i
I Ci ty Engineer
I
-27-
"
.
3. ApiJroval of the City Plannin~ Connnissio~:
This plat
considered
Texas, and
has been submitt~d
by the City Planning Connnission of the City of
is hereby approved by such Commission.
to and
Date this
19
day of
By:
Chairman
ATTEST:
Secretary
4. Certificate of the Surveyor responsible for surveying the subdivision
area, attesting to its accuracy:
i
1 State of Texas l
County of l
I I, the unders igned, a (registered professiona 1 engineer /
I publi~ surveyor) in the State of Texas, hereby certify that this plat
, is true and correct and was prepared from an actual survey of the property
I made under my supervision on the ground.
(Engineer or
Surveyor's Seal)
Registered Professional Engineer
or
Registered Public Surveyor
5. Certificate by the Platting Engineer responsible for the pre?aration of
the final plat and supporting data, attesting to its accuracy:
State of Texas
County of
l
I, the undersigned, a registered professional engineer in the State of
Texas, hereby certify that proper engineering consideration has been given
this ;olat.
(Engineer's Seal)
Registered Professional Engineer
-28-