IEC_TR_61366-2-1998.pdf

TECHNICALREPORTIEC61366-2First edition1998-03Hydraulic turbines,storage pumpsand pump-turbines Tendering Documents Part 2:Guidelines for technical specificationsfor Francis turbinesTurbines hydrauliques,pompes daccumulationet pompes-turbines Documents dappel doffres Partie 2:Guide des spcifications techniques pour les turbines FrancisReference numberIEC 61366-2:1998(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.NumberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.Consolidated publicationsConsolidated versions of some IEC publications including amendments areavailable.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to thebase publication,the base publication incorporating amendment 1 and the basepublication incorporating amendments 1 and 2.Validity of this publicationThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to the date of the reconfirmation of the publication is availablein the IEC catalogue.Information on the revision work,the issue of revised editions and amendments maybe obtained from IEC National Committees and from the following IEC sources:IEC BulletinIEC YearbookOn-line access*Catalogue of IEC publicationsPublished yearly with regular updates(On-line access)*Terminology,graphical and letter symbolsFor general terminology,readers are referred to IEC 60050:InternationalElectrotechnical Vocabulary(IEV).For graphical symbols,and letter symbols and signs approved by the IEC forgeneral use,readers are referred to publications IEC 60027:Letter symbols to beused in electrical technology,IEC 60417:Graphical symbols for use on equipment.Index,survey and compilation of the single sheets and IEC 60617:Graphical symbolsfor diagrams.IEC publications prepared by the same technical committeeThe attention of readers is drawn to the end pages of this publication which list theIEC publications issued by the technical committee which has prepared the presentpublication.*See web site address on title page.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICALREPORT TYPE 3IEC61366-2First edition1998-03Hydraulic turbines,storage pumpsand pump-turbines Tendering documents Part 2:Guidelines for technical specificationsfor Francis turbinesTurbines hydrauliques,pompes daccumulationet pompes-turbines Documents dappel doffres Partie 2:Guide des spcifications techniques pour les turbines Francis Commission Electrotechnique Internationale International Electrotechnical CommissionPRICE CODE IEC 1998 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chVFor price,see current catalogueLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61366-2 IEC:1998(E)CONTENTSPagesFOREWORD.4Clause0Introduction to technical specifications.71Scope.92Reference documents.93Technical requirements.93.1Scope of work.93.2Limits of the contract.103.3Supply by Employer.103.4Design conditions.113.5Technical performance and other guarantees.143.6Mechanical design criteria.173.7Design documentation.173.8Materials and construction.183.9Shop inspection and testing.194Technical specifications for fixed/embedded components.204.1Spiral case.214.2Stay ring.214.3Foundation ring.224.4Draft tube and draft tube liner.224.5Pit liner.235Technical specifications for stationary/removable components.235.1Headcover and bottom ring.235.2Guide vanes.246Technical specifications for guide vane regulating apparatus.246.1Servomotors.246.2Connecting rods.246.3Regulating ring.256.4Guide vane linkage.256.5Guide vane overload protection.256.6Locking devices.257Technical specifications for rotating parts,bearings and seals.257.1Runner.257.2Main shaft.267.3Turbine guide bearing.267.4Main shaft seal.277.5Standstill shaft(maintenance)seal.27LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61366-2 IEC:1998(E)3 ClausePage8Technical specifications for thrust bearing(when specified as part ofturbine supply).278.1Design data.278.2Bearing support.278.3Bearing assembly.278.4Oil injection pressure lift system.289Technical specifications for miscellaneous components.289.1Walkways,access platforms and stairs.289.2Lifting fixtures.289.3Special tools.289.4Standard tools.289.5Turbine pit hoist.299.6Nameplate.2910Technical specifications for auxiliary systems.2910.1Bearing lubrication system.2910.2Runner pressure balancing and pressure relief lines.2