IEC TR 61366-1:1998

TECHNICAL
IEC
REPORT
61366-1
First edition
1998-03
Hydraulic turbines, storage pumps
and pump-turbines –
Tendering Documents –
Part 1:
General and annexes
Turbines hydrauliques, pompes d'accumulation
et pompes-turbines –
Documents d'appel d'offres –
Partie 1:
Généralités et annexes
Reference number
IEC 61366-1:1998(E)
Numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series.
Consolidated publications
Consolidated versions of some IEC publications including amendments are
available. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the
base publication, the base publication incorporating amendment 1 and the base
publication incorporating amendments 1 and 2.
Validity of this publication
The 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 available
in the IEC catalogue.
Information on the revision work, the issue of revised editions and amendments may
be obtained from IEC National Committees and from the following IEC sources:
• IEC Bulletin
• IEC Yearbook
On-line access*
• Catalogue of IEC publications
Published yearly with regular updates
(On-line access)*
Terminology, graphical and letter symbols
For general terminology, readers are referred to IEC 60050: International
Electrotechnical Vocabulary (IEV).
For graphical symbols, and letter symbols and signs approved by the IEC for
general use, readers are referred to publications IEC 60027: Letter symbols to be
used in electrical technology, IEC 60417: Graphical symbols for use on equipment.
Index, survey and compilation of the single sheets Graphical symbols
and IEC 60617:
for diagrams.
IEC publications prepared by the same technical committee
The attention of readers is drawn to the end pages of this publication which list the
IEC publications issued by the technical committee which has prepared the present
publication.
* See web site address on title page.

TECHNICAL
IEC
REPORT – TYPE 3
61366-1
First edition
1998-03
Hydraulic turbines, storage pumps
and pump-turbines –
Tendering Documents –
Part 1:
General and annexes
Turbines hydrauliques, pompes d'accumulation
et pompes-turbines –
Documents d'appel d'offres –
Partie 1:
Généralités et annexes
 IEC 1998  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http: //www.iec.ch
Commission Electrotechnique Internationale
CODE PRIX
XA
International Electrotechnical Commission
For price, see current catalogue

– 2 – 61366-1  IEC:1998(E)
CONTENTS
Page
FOREWORD . 4
Clause
0 Introduction. 7
1 Scope and object . 8
2 Reference documents and definitions . 8
2.1 Reference documents . 8
2.1.1 Application of reference documents . 8
2.1.2 IEC publications . 8
2.1.3 ISO standards . 9
2.1.4 National standards . 9
2.2 Definitions. 9
2.3 Schematic representation of a hydraulic machine . 11
2.4 Use of SI units . 11
2.5 Specific hydraulic energy. 12
2.6 Specified conditions . 13
3 Arrangement of Tendering Documents (TD). 14
3.1 General. 14
3.2 Table of contents . 14
3.3 Main sections of the Tendering Documents . 15
3.3.1 Tendering requirements (see clause 4). 15
3.3.2 Project information (see clause 5) . 16
3.3.3 General conditions, special conditions, and general requirements
(see clause 6) . 16
3.3.4 Technical specifications . 16
4 Guidelines for tendering requirements . 17
4.1 Instructions to Tenderers (ITT) . 17
4.1.1 Object of tender . 17
4.1.2 Submission and opening of tenders . 17
4.1.3 Tendering Documents . 17
4.1.4 Order of precedence for Tendering Documents. 17
4.1.5 Validity of tender . 18
4.1.6 Clarifications and addenda . 18
4.1.7 Modification to or withdrawal of tender. 18
4.1.8 Acceptance and rejection of tenders . 18
4.1.9 Preparation of tender. 19
4.1.10 Signature of Tenderer . 19
4.1.11 Tender prices . 19
4.1.12 Tender bond. 19
4.1.13 Design and performance . 19
4.1.14 Alternative tenders and deviations from Tendering Documents . 20
4.1.15 Evaluation of tenders. 20
4.1.16 Letter of acceptance. 20

61366-1  IEC:1998(E) – 3 –
Clause Page
4.1.17 Formal contract . 21
4.1.18 Performance bond. 21
4.1.19 Premium and liquidated damages . 21
4.2 Tender form . 21
4.2.1 General. 21
4.2.2 Documents constituting the tender. 21
4.2.3 Deviations from Tendering Documents . 21
4.2.4 Tender prices . 22
4.3 Technical data sheets . 22
4.4 Tenderer's drawings. 22
4.5 Other contract forms . 22
4.6 Tenderer's reference list . 22
5 Guidelines for project information . 22
5.1 Scope of work . 22
5.2 Project description . 23
5.3 Project and contract schedules. 23
5.4 Delivery point . 23
5.5 Operation and maintenance. 23
5.6 Project facilities and information. 24
5.7 Project organization . 24
6 Guidelines for general conditions, special conditions and general requirements . 25
6.1 Guidelines for general conditions. 25
6.2 Guidelines for special conditions . 25
6.3 Guidelines for general requirements . 25
6.3.1 General items. 25
6.3.2 Technical documents. 26
6.3.3 Project administration. 26
6.3.4 Materials and workmanship . 26
6.3.5 Quality assurance (QA) and quality control (QC) programmes. 27
6.3.6 Shop assembly and tests. 27
6.3.7 Surface preparation and protective coatings . 27
6.3.8 Packaging and transportation . 27
6.3.9 Model acceptance tests . 27
6.3.10 Site installation requirements. 27
6.3.11 Field acceptance tests. 27
Annexes
A Sample table of contents of Tendering Documents for Francis turbines. 28
B Comments on factors for evaluation of tenders . 32
C Checklist for tender form . 38
D Example for technical data sheets . 39
E Technical performance guarantees. 49
F Example of cavitation pitting guarantee . 52
G Checklist for model test specifications . 54
H Sand erosion considerations. 56

– 4 – 61366-1  IEC:1998(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
HYDRAULIC TURBINES, STORAGE PUMPS AND PUMP TURBINES –
TENDERING DOCUMENTS –
Part 1: General and annexes
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization
for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical reports or guides and they are accepted by the National Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
The main task of IEC technical committees is to prepare International Standards. In
exceptional circumstances, a technical committee may propose the publication of a technical
report of one of the following types:
• type 1, when the required support cannot be obtained for
...