Substation Structure Design Guide
Substation Structure Design Guide
Prepared bythe Submittee on the Design of Substation Structures of the Commiee on Electrical TransmissionStructures of theStructural Engineering Institute of theAmerican Society of Civil Engineers
Leon Kempner. Jr. Edited by
ONENGINEERINGPRACTICE MANUALSANDREPORTS
Sustati desig ide ASCE als nd rp nig ti. 113/Prepa byteSucinteDesigfSstatiStrurefteStuctlDivision of the Amricn Society f Civil Engieers edited by Leon Kempner.
(As developed by theASCE Technical ProceduresCommittee July 1930 andrevisedMarch1935 Februry1962andApril1982)
p.cm.ISEN-13: 978.0.7844-035-0 (lk. paper) Indides bibliographial referenosand index.1. Sruural dignHandboks m c.L Kempe Leo.Il ISDN-100-7844-0905-s(alLppe)American Socidy of Cvil Enginee. Submie on theDesigof Substation Stnctures.TA658.3S832007 621.31'26-de22
facts ona particular subject supplemented by an analysis oflimitations A manual orreport in thisseries consists ofan orderly presentation ofand applications of these facis. It contains information useful to the average engineer in his or her everyday work rather than findings thatmaybe usefulonlyoccasionallyorrarely.ltisnotinany senseastandard"however nor isit so elementary orso conclusive as to provide a rule of thumb" for nonengineers.
2007016342
expresses only one person's observations or opinions)is the work of amittee or group selected to assemble and express information on a specifictopic.Asoftenaspractcable the mitteesunder thedrectionofone ormore of theTechnicalDivisionsand Councilsand theproduct evolved has been subjected toreviewby theExecutive Commite of theDivision or CouncilAs a step in the process of this review proposedmanuscripts are often brought before the members of the Technical Divisions and Councils forment whichmay serve as the basis forimprovement. When published each work shows the names of the mittees by which it was piled and indicates clearly the severalprocesses throughwhichithas passed inreviewnorderhat itsmrtmay be definitely understood.
Published by American Society of Civil Enginees 1801 Aleder Bell DriveReton Vinginia 20191
BoasrsdM
nonelythiwfCEwheoniltfrnyt Any stets psd ithmrsr f tndivdulthoanddst orservicecots rpsannoemenrecmndationorwarrntyteef byASCETmareforrlinotinonlynddnopntaardf ASCEftstatutes or any other egal doaument.
ASCE mk sntin r way of ny kind whether prs riplidcceing thacuray omleees suabilty r lity ofany fin appar pductrpsd sicatandltysuiahility forany geneal rspecificappliationAnyoneutlizing this informationasus itnhdwiott rngptdwet iisnshdingbtd ifn or patents.
voted to establish a series entitledManuals and Reports on Engineering In February 1962（and revised in April 1982) the Board of DirectionPractic oinudethMaualpulishedandauthorizdtdafManuals ofProfessional Practice and Reports on EngineeringPractie. All such Manual or Report material of the Society would have beenandwldiliki refereed inamannerapproved bytheBoardCommitte onPablicationsManuals.Numberingwouldbe consecutive andwould beacontinuationof present Manual numbers.In somecases of reports of joint mitees bypassing of Joumal publicationsmaybe authorized.
Ofice. ASCEand AmriSoty fCivilEngneerRegitredinU.SPatandTderk
tensbyusing AScE's online pemislon serice (.pubsasoorg/authos/ PrsYu cnintat psno hopy SCE pReprintsDeentnDivisSCE(addresei o RightsinkWeltReqsts fpiesrmrhouldbsumited tpddpq
Copyrigl 2oes by theAmerican Society of Civa Enb. All Rights Reserved.ISBN10:0-7811-0935-8 ISDN 13:978:0-7814-0905.0Matfactured in the United States fAmerica.
ONENGINEERINGPRACTICE MANUALSANDREPORTS
DFlering Mri forSewageHAnadationf Utility Pat TratmentPlat Witlin the Rights-of-Way of Uaban35A List of Tanslaions of Foreign Stnets and Highways40 Grnd Water Management lstic Design in Steel: A Guide and Literature on Hydraulles45Couling EngieeringAGuiefor Comunentarybe Einggemet of Lnginwrng Services47Seeted Abstcs on Stuctural ipel Rete Seection for Ral and Cross-Country Ppelines49 Urban Planning Guke Applictiens ef Plastis50 Plunningand Design Guidelines for Small Caft Habors51Surey of Current Structual Reearch 52Gue for the Desigef SteeS3 Crterin fo Maintenance of Mulilane Highwy54 55 Sedinntslion Engineering Guidle to Enploymen Condificns fo Cvil Enginees57 Manageen Opeli d Mainteance af lrrigation and59 Cepuer Pricing Practices Drainuge Sys60 ConsrutinSecn Edtn6 63 Eviging Sewer Evalhatisn and Stcurl Plastie Deg Mal Relabilitation64 65 Censtnclion Cos Contol66 67 Sncturl Pastis SetionMl Wind Tuel Stdies eBuildins and68 Aeratom A WasewaterTate ProcessSulide in Wastewater Collectin and Trentment Sytems70. Eapotrarspiration and Inigation Agricultunl Satinity Asesment and Water Requirements71 Deign cfSteel TansmisonPole Manngement73 Qslityin the Costed Pct:A SinucturesieliecEetricaTransnison sopaniog Guide frOwDin76 Deig fMpal Wastvatr Ltp Stnctural Lowding22 Desigand Cinstn of Urn Trentment PantsStonmwater Mnagement Sstems
78 Structual FireProtection Shed Penstods81 79 Ship Cunel Design Guidelines for Cloud Seeding to82 Odor Control in Wastewater Augent Preiptatn83 Envireenta Sit lestigion Mechanieal Coectis in Wod Treatment Pants84 85 Qnllty al Ground Waer Struchures86 Operatin and Maintenance of Ground Waler Fncifties87 88 Management of Water Treatent Plant Residuals89 90 hpee Cngs91 Deslgn of Guyed Electrical Transmission Struchres94d Navigaonc Lecks Dams.and 93 Crane Safety nConstction Sites Manhole lnspection and Reabilitation95 Urban Subsurface Drainage Clamels.96 Perfermnce of Electric Power97Hydraulic Modeling: Conceps and Practioe Systems98Conveyance of Residuals fron Water and WastewaterTeatme100Groundwater Contaninatlonby 99Environmental Site Characterization and Remedtion Design GuidaneOgPotant nalysad Remediation101Undewater lestigions 102 Design Guide for FRP Compesite103 Guide to Hiring and Retaining Great Civil Enginees Connections101Reconmended Pactie for Fber Reinferoed Polymer Products for105Animal Waste Continmnt in Owerhed Utiy Lne Strctres106 Horizontal Auger Boring Prejects Ship Chel Degnnd Open Lagocns107 108 PpelineDesign for Irstallation by Horizontal Directiol Drillny109Bologicl Nurent RenovatNR) OpetnWasater TrtmetSedientationEnginingPce Mesrien Modeinand PlantsPracticeC Deeltng Pue PoleStncSabstanrtreDgn Guide
CONTENTS
PREFACE. ixACKNOWLEDGMENTS........ xiINTRODUCTION.. 12 STRUCTURETYPES................. ELECTRICALEQUIPMENTAND 52.1 Purpose..... 52.2 Electrical Equipment and Supports Definitions...... 52.3 103 LOADING CRITERIAFORSUBSTATION 25Basic Loading Conditions...... 253.1 3.2 Application of Loads. 553.3 3.4 Altemate Design Loads and Load Factors. Load Factors and Combinations.. 56 583.5 Serviceability Considerations.................. 583.6 Examples of Application of Load Cases and Load Factors...... 59DEFLECTIONCRITERIA................. 714.1 4.2 Structure Classifications andDeflection Limitations.... Special Considerations for Deflection Analysis 71 7577
4.3
CONTENTS
5.1 5.2 Stress Criterion vs.Deflection Criterion Overview..... 79 795.3 The Structure Model.... 805.4 5.5 Static Analysis Method. Dynamic Analysis Method... 83 855.6 Remendation for an Analysis Method 87
DESIGN 91
General Design Principles6.1 6.2 Design Methods. 91 916.4 6.3 Steel Structures. Concrete Structures. 92 966.5 Wood Structures Aluminum Structures..6.6 6.7 Seismic Design Guidelines........... 98 986.8 6.9 Base Plate Design... Rigid Bus Design..... 101 1046.10 Special Design Considerations...... 109
7.2 7.1 Anchor Arrangements.... Anchor Materials..... 116 1177.3 7A Drilled Concrete Anchors Installed in Existing Concrete. Anchors Cast in Place...... 1187.5 Examples... 127 126
S QUALITYCONTROLANDQUALITYASSURANCE...... 131
8.2 8.1 131 1318.3 AluminumStructures........................ 1348.4 8.5 WoodStructures............................ 135 1368.6 8.7 Bunddus 137 136
139
10CONSTRUCTIONAND MAINTENANCE.. 141
10.2 Maintenance.... 10.1 Construction.... 14110.3 Worker Safety. 141 142
REFERENCES. 143
