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1964-049 AN ORDINANCE AMENDING THE CODE OF ORDINANCES OF THE CITY OF DENTON, TEXAS, REGULATING THE INSTALLATION, USE, AND M~INTENANCE OF UNDERGROUND ELECTRICAL SYSTEMS, WIRING AND APPARATUS ON ANY PREMISE~ STREET, ALLEY OR ROADWAY WITHIN THE CORPORATE LIMITS OF THE CITY OF DENTON, TEXAS, OR ANY SECTION OUTSIDE OF THE CORPORATE LIMITS OF THE CITY OF DENTON, TEXAS, BEING SERVED BY THE DENTON MUNICIPAL ELECTRICAL SYSTEM, PROVIDING FOR AN ELECTRICAL INSPECTOR OF UNDERGROUND UTILITIES, PROVIDING FOR EXEMPTION, PROVIDING PENALTIES FOR VIOLATIONS HEREOF, PROVIDING A SAVINGS CLAUSE, REPEALING CONFLICTING ORDINANCES, AND DECLARING AN EFFECTIVE DATE THE COUNCIL OF THE CITY OF DENTON HEREBY ORDAINS SECTION I. That the Code of Ordinances of the City of Denton, Texas, is hereby amended by adding new Part VI, Articles 17 28 through 17 37 in Chapter Seventeen of said Code which shall hereafter read as follows CHAPTER SEVENTEEN Part VI - Underground Utilities Article 17 28 - Inspector (a) Requirements and Appointment There is hereby created the office of Electrical Inspector of Underground Utilities of the Clty of Denton wathln whach may be Assastant Electrical Inspectors 1 ) Requirements The Inspector and has assastants shall be competant persons of good moral character, each shall have adequate experaence an the electracal field, with emphasls on underground hagh and low tensaon lnstallataons, each shall have adequate knowledge of current and approved methods and practices relatang to electracal znstallataons, splaclng and terminations of cables, and be currently up to date on the latest edatlons of the National Electric Code 2 ) Appoantment The Inspector of Underground ut~lat~es shall be a member of the Utllztaes Department (b) Dutaes of the Electracal Inspector The Inspector shall anspect all installations, alterataons and repaars of electrical work an consumer ~nstallatlons as hereinafter set out He shall be allowed twenty-four (24) hours, Saturdays, Sundays, and Holidays recognazed by the Caty of Denton exclude~, to make such inspection For an approved anstallataon, he shall attach a green tag or card, for a dasapproved installation, he shall attach a red tag or card and immediately notafy the Master Elec%rlcaan (Electrical Contractor) performang work on saad premalses, an writing and by telephone, spec~fyang the exact defacaency exastang and shall allow a reasonable t~me~ as deter- maned by the Inspector, to correct sa~d deflcaency It shall be a violation of this Ordinance to remove, deface, damage or mutilate any tag or card which the Inspector has attached to an installation If this corrective action is not begun Immed- iately or the deficiency is not corrected within the prescribed time, the Inspector shall notify the owner or his agent by letter and copy of previous notice to the Electrical Contractor and shall, ~f he believes public welfare endangered, in writing order the electrical supply to the premises discontinued When in the performance of his duties and as may be necessary for the performance of h~s duties, the Inspector shall have the right to enter any consumer's premises at all reasonable hours for the purpose of making tests or ~nspectlons of the electrical wiring, appliances, or apparatus contained herein When on duty, the Inspector shall have adequate identification with photograph, furnished by the City of Denton, to indicate his position The Inspector shall keep, or cause to be kept, a written record of all permits, l~censes and inspections which are required under this Ordinance He also shall keep a written record of all condemnations and disconnects of electrical in- stallations resulting from condemnations The Inspector shall stop the installation, alteration, operations, or repair of any electrlcalwork on or in any consumer's premises, when in the Inspector's opinion, the work is being done in a reckless, careless, or unsafe manner or in a manner which violates the provisions of th~s Ordinance Upon determining that particular work should stop, the Inspector shall pust a notice to that effect on the consumer's premises and notify permit holder in writing and by telephone Thereafter no person shall proceed w~th the installation until the Inspector has cancelled the stop-work notice in writing and by telephone The Inspectors shall not have any monetary interests ~n any Electrical Contracting company nor shall they do any electrical work for any private party or any company at any t~me while he is in the employment of the City of Denton (c) Llablllty The Inspectors shall not be liable for damage arising by reason of duties performed under the provisions of th~s Ordinance (d) Authority The Inspectors shall be endowed with all the police powers necessary for the proper enforcement of this Ordinance and shall be responsible for its strict enforcement The Inspectors shall not deviate from the minimum standards or rules and regulations contained herein Article 17 29 - General Requirements (a) National Electric Code In the installation and maintenance of electrical wiring systems and apparatus, the current edition of the National Electrical Code shall be the minimum requirements permitted within the scope of this Ordinance, and shall rule where the Code of Ordinances of the City of Denton is s~lent (b) Underwr~tmrs Laboratories, Inc Ail mater~al and apparatus used ~n electrical ~nstallat~ons shall have the approval of the Underwriters Laboratories, Inc and bear the underwriters label (c) Scope The scope of th~s ordinance ~s to cover the electrical ~nstallat~on from the point of attachment at the entrance of the h~gh tension cable from the Municipal Fac~l~tles through fusing, switching, transformation and cable servlce through, to, and ~nclud~ng the ma~n entrance sw~tch attached to the consuming unit Article 17 30 - Installations (a) No company, lnd~v~dual, f~rm or co~poratlon, shall permit p~eces of w~re to be left on the surface of buildings, · n streets, alleys, or roadways, or dead ends to dangle from poles or buildings or ~n any manner leave old or new wire ~n a condition that ls dangerous to l~fe or property (b) It shall be unlawful for any person to ~nterfere in any manner w~th any electric w~r~ng being ~nstalled on any premise or an any bulld~ng durlng construction In inspecting the electrlcal w~r~ng of any building or premlse, the Inspector shall leave a tag or not~ce attached to service entrance sw~tch Th~s not~ce shall state clearly whethgr the w~r~ng is approved or ~s to be kept open for further ~nspect~on and no person shall conceal any w~rlng until they have been ~nformed that such w~r~ng has been approved by the Inspector The general contractor or owner shall be held responsible for any v~olat~on of th~s Sectlon and shall be subject to the pen- alt~es provided here~n Article 17 31 - H~gh Voltage Installations (a) H~gh voltage ~nstallat~ons for underground servlces in subdlv~s~ons shall consist of a dual feeder servlce capable of being energized from e~ther end and capable of being sect~on- al~zed and ~nsulated at each transformer location (b) The ma~n d~str~but~on point of each end of the dual feeder shall be protected hy l~ne class arresters, fused d~scon- nects, and approved pothead cable terminations (c) The cable or cables shall have a metal condu~t protec- tion at all points where mechanical damage Ks l~kely to occur The cable or cables shall be protected underground in a con- t~nous P V.C condu~t system of adequate s~ze connecting the metal condu~t system and terminating ~n the h~gh voltage cable chamber of the pad mounted transformer (d) Ail condu~t systems shall be buraed at a m~namum depth of forth-two (42) anches below fanashed grade After excavation the first slx (6) anches of refall earth shall be of selected materaal free of stones and sharp ob3ects The remaander of the refill may be of the excavated materaals (e) Conduit bends shall not be less than ten tames the daameter of the conduat (f) Termanataons wlthan the hagh voltage chamber of the transformer may be either stress cones or an approved cable termanatlon (g) Termanataons mmt~eath~ed locataons may be only of an approved cable termanatlon (h) All underground hagh voltage conduat shall contaan a bare soft drawn or medaum hard drawn copper cable of the same physacal saze of the current carryang cables (a) Underground hagh voltage cables shall be of the shaelded and grounded 15 KV approved type and the shaeld and grounds shall be securely fastened to the ground network system (3) Sazlng of underground high voltage cables shall be done by the Caty Electracal Enganeer but an no case shall be smaller than a % 2 AWG saze Artacle 17 32 - Low Voltage Installations (a) Low voltage underground services shall be encased an P.V C. conduit oraglnatang in the low voltage transformer cable chamber and termanatang at the resldentaal maan entrance swatch wathout benefat of underground splices (b) Service shall consast only of sangle phase, three wire, 120/240 volt connectaons Resadentaal three phase service shall not be installed (c) Low voltage conductors shall consast of a manamum % 2 AWG size ansulated copper conductor suatable for underground servace The neutral conductor shall be of equal saze .(d) Condu~t fall shall not exceed forty (4~) percent (e) The P.V C conduat shall have a transataon to ragad steel conduat at ats underground contact poant on the dwellang and ~ermanatlng an the Meter Enclosure, thence to the Resldentaal Ma~n ,Switch, to provide suatable mechanacal protectaon The metal conduit shall be suatably grounded by means of a locknut and ground bushang (f) Ail conduat systems shall be buraed at manamum depth of forty-tWO (42) anches below fanashed grade After excavataon the farst slx (6) anches of reflll earth shall be of selected materaal free of stones and sharp objects The remaander of the refill may be of the excavated materaals Article 17 33 - Transformer Installation (a) Ail transformers utilized in underground residential service shall be of the pad mount type, complete with a high and low tension cable chamber The high tension chamber shall contain visible disconnection means, a sectlonallzlng switch for selection of alternate feeders and a ne-load tap changing capability The low voltage chamber shall contain bus facilities for connecting slx (6) 120/240 volt service cables, complete with metering facilities The transformer spade connections shall each contain slx (6) lugs with a cable range of % 4 to % 2/0 AWG (b) High and low voltage chambers shall be separated by a metal partition having rigid hinged doors (c) The transformer shall be placed on a concrete slab installed after underground cables have been installed The slab shall pro]eot a minimum slx (6) inches on all sides of the transformer and shall be slx (6) inches thick Slabs in unstable soil shall be pinned by four (4) piers ten (10) inches in diameter and thirty slx (36) inches deep Article 17 34 - Residential Main Switches (a) Low voltage underground cable shall be terminated at the dwelling in the Meter Enclosure and thence in an exterior service main service switch of not less than 100 ampere capacity (b) Low voltage service shall be only 120/240 volt, three wire, single phase connections (c) Pressure lugs shall be provided on both the main and load sides of the switches for cable connections Lugs shall be of a % 4 to % 2/0 AWG Range (d) Temporary or "saw services" shall be made available only after installation of the underground system Such services will be made at a point three (3) feet from any transformer location The developer and/or contractor shall be responsible for setting a temporary service metering pole, and for extending secondaries to his site of work (Drawing of a service metering pole is on file in the office of the Director of utilities) Article 17 35 - Underground Street Lighting (a) Underground service to street lighting standards shall be encased in P V C. conduit and shall have a minimum % 8 AWG size The conduit fill shall not exceed 40% and shall consist of two insulated and one bare conductor of equal size (b) Control shall be by means of a photo electric cell for ~ndlvldual lamps and a fused and arrested controller for multlple groups of lamp standards (c) Ail condu~t systems shall be bur~ed at a depth of forty-two anches (42") The f~rst slx (6) znches of refill earth shall be of selected materials free of stones and sharp objects The remainder of the refall may be of excavated materials If the P V C. condu~t as not protected by entrance w~th~n the lamp standard at shall have a transition to r~gad steel conduat at ~ts underground contact poant and shall termanate an a Type F conduat fattang or other suatable approved means at ~ts connec- tion point ~n order to provade suatable mechanical protection The metal conduat shall be suitably grounded by means of a ground bushang (d) Decorative type laghtang wall not be permatted wlthan res~dentaal areas Mercury vapor l~ghtlng as a prerogative reserved exclusavely for the Caty Council's approval and des~gnataon of locataon (e) Street Laght~ng standards shall be of the transformer or anchor base type wath a mounting height of twenty-n~ne feet and eaght ~nches (29' 8"), the laghtang bracket shall be a manamum of eaght feet (8' 0") ~n length and capable of support- ang a seventy-five (75) pomnd maximum lumlnaare weight. Llghtang standards, brackets and transformer bases shall be of eather galvanized steel or corrosaon free alumanum Acceptable types of equipment are Kerragan Model 602K-25-10, Hapco Catalog 9 1T32A30W10, Unaon Metal Monotuve Catalog ~G-250-D2, or an evaluated equal (f) Lumanaare Components shall be of the suburbanaare type w~th an IES Type III refractor of eather boros~llcate or an approved optical assembly plastic mater~al Acceptable types of equipment are Lane Materaal Industries ~L06B6 or L034B1, for use wath a 300 watt mogul base ~ncandescent multiple socket or 250 watt mercury vapor f~xture of an approved type (g) The C~ty of Denton shall share in the ~nstallataon cost, ~n the amount of sacty dollars ($60 00) per llghtang standard, anstalled an the ~nataal underground ~nstallataon as anstalled by the Developer The C~ty of Denton shall share in the anstallataon cost, an the amount of forty-five dollars ($45 00) per laght~ng standard, anstalled after completion of the an~taal underground anstallataon as anstalled by the Developer The required number and locataon of street lights shall be determaned by the Caty of Denton In the event that a hlgher level of laghtang ~s required (a e for ~ntersect~ons or h~gh density traffac areas) the Caty of Denton wall bear the addat~onal cost ancurred ~n the requared larger f~xture and ballast over and above the standard 250 Watt Mercury Vapor f~xture Artacle 17 36 - Procedure (a) When the developer of an approved subd~v~slon to the C~ty of Denton desires to explore the poss~bal~ty of prov~dang Underground Resdaentaal Dastrabutaon of electric power an h~s development, he shall make formal application to the Director of utilities of the C~ty of Denton Upon payment of the application fee of $50 00 accompanied by one sepia plat of the complete approved sub-d~v~slon and one sepia copy of any sub- section of the sub-d~v~s~on, which ~t ~s proposed w~ll be developed f~rst, the Director of utilities w~ll cause to have made a firm estimate of the cost ~ the C~ty of Denton of furnishing conventional overhead electric service to the area platted Th~s estimate w~ll be based on the ultimate load per residential unlt and for the sub-d~vlslon or sub-section as a whole, as determined by the D~rector of Utilities Th~s deter- mlnat~on shall be made after consideration of lot size and cost. deed restrictions as to resldent~al unit slze and cost. and pro3ected electrical load growth for the community as a whole As soon as th~s estimate of conventional costs ~s complete ~t shall be made available to the developer (b) At the t~me the developer makes application for URD he shall be furnished by the D~rector of utilities four cop~es of the C~ty of Denton's basic plans and speclflcat~ons for ~nstallat~on of Underground Res~dentlal Distribution. along w~th four statements of P~l~cy regarding URD (c) The developer shall be free to obtain proposals for the ~nstallat~on of URD ~n h~s development from any approved (by the Director of utilities) electrlcal contractors, and w~ll furnish each such b~dder a copy of the URD Specifications and policy statements, plus whatever number of cop~es of the plat the bidder may require, as soon as he has made formal appll¢at~on to the C~ty of Denton (d) When all proposals by contractors have been received. the Developer shall confer w~th the Director of Utilities before determining which proposal he dec,res to accept, s~ncy any proposal for URD installation shall be acceptable to the D~rector of Utilities before any contract may be let After a contract has been awarded and actual work has begun the developer shall be responsible for prosecutlng the work to rapld completion in accordance w~th all C~ty of Denton specifications and policies and under the required ~nspect~ons and Municipal supervision (e) Upon completion of the URD ~nstallat~on. the developer shall ask for a f~nal ~nspectaon from the Director of utilities. who shall satasfy h~mself that the ~nstallat~on as an accordance w~th all utility Department requarements, and ~n accordance w~th plans and specifications, before presenting to the City Manager has recommendation that the ~nstallat~on be accepted by the City of Denton Upon favorable action by the C~ty Council on the ~rector's recommendation, the C~ty Manager shall notify the D~re~tor of F~nance to make payment to the Developer of that port,on of h~s costs which would have been expended had the C~ty of Denton ~nstalled electric service ~n the conventional overhead manner Article 17 37 - Penalty Any person, assoclataon of persons, farm or corporataon vaolat~ng any provas~on of Part VI of this Chapter for which a penalty ~s not otherwise provaded shall be faned upon con- vaet~on not less than Twenty-f~ve Dollars ($25 00) nor more than Two Hundred Dollars ($200 00), and each day any such v~olat~on contanues shall oonstatute a separate offense SECTION II That all ordanances or parts of or~anances in force when the provisions of thas ordanance become effective which are ~nconsastent or ~n ccafl~ct w~th the terms or provis- ions contaaned ~n th~s ordinance are hereby repealed to the extent of any such conflict SECTION III. That af any sectlon, subsection, paragraph, sentence, clause, phrase or word ~n th~s Ordinance, or application thereof to any person or carcumstances as held invalid by any court of oompetent jurisdiction, such holdang shall not affect the valldlty of the remaanang portaons of thls Ordanance, and the C~ty Council of the C~ty of Denton, Texas, hereby declares at would have enacted such remaanang portions despate any such ~nvaladlty SECTION IV That th~s Ordinance shall become effective fourteen (14) days from the date of ars passage, and the Caty Secretary as hereby darected to cause the captaon of thls Ordinance to be publlshed twice an the Denton Record Chronicle wathln ten (10) days of the date of ~ts passage PASSED AND APPROVED th~s ~day of ~~---, A D 1964 Warren Wh~tson, Jr , Mayor Caty of Denton, Texas ATTEST ~ B oo~/ks~ty Seer eta ry Caty of Denton, Texas APPROVED AS TO LEGAL FORM }y Q Barton, C~ty Attorney of Denton, Texas