CELEX: 51978PC0405
Language: en
Date: 1978-09-12
Title: PROPOSAL FOR A COUNCIL DECISION ADOPTING A RESEARCH PROGRAMME FOR THE EUROPEAN ENERGY COMMUNITY ON CODES AND STANDARDS FOR FAST BREEDER REACTORS (STRUCTURAL INTEGRITY OF COMPONENTS). (Presented by the Commission to the Council)

ARCHIVES HISTORIQUES
DE LA COMMISSION
COLLECTION RELIEE DES
DOCUMENTS "COM"
COM (78) 405
Vol. 1978/0156
 ---pagebreak--- Disclaimer
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In accordance with Council Regulation (EEC, Euratom) No 354/83 of 1 February 1983
concerning the opening to the public of the historical archives of the European Economic
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 ---pagebreak---  COMMISSION OF THE EUROPEAN COMMUNITIES
                                                                   COM(78)405 final
                                 (
                                                                   Brussels , 12 September 1978
              PROPOSAL FOR A COUNCIL DECISION ADOPTING A RESEARCH PROGRAMME FOR
                 THE EUROPEAN ENERGY COMMUNITY ON CODES AND STANDARDS FOR FAST
                                                          .                                   ;
                 BREEDER REACTORS (STRUCTURAL INTEGRITY OF COMPONENTS ).
                (Presented Toy the Commission to the Council )
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COM ( 78 ) 405 final
 ---pagebreak---                                     .     -  1  -     .     -          . ,                                             •
 ■      INTRODUCTION               •                                '            ' .                '
               In April 1970 the Council created the Fast Reactor Coordinating
       Committee ( FRCC ) with the mandate " to work out and implement plans for
       coordination and cooperatiijn on the broadest possible sedle between ;
       the various programmes by means of " the most suitable procedures and
       to make any helpful suggestion in this connection"^.**
               Part of the work of the Committee is executed by Working 'Groups .
       One of these is the Working Group " Codes and Standards"(WGCS )                                which
        was set up in 197/. and whose terms of- reference . included :
        - to 'Jr.iw up a list of the construction codes , standards and regulations                                      ,
              in. force in the Member States , with regard to component design criteria
              and the choice of structural materials , their use and their control
             for operating conditions in sodium cooled fast reactors ;
        ^ to define the points of similarity and analyse the problems relating                                      .
             to points of dissimilarity ;                                    v                -
                     ' •  - '              '                          . '       •    -                          % . i.
        - to define thy fields in which additional theoretical or experimental
              data ore required .                       - '             ,          •     '                       i
                At the end of 1977 the Working Group " Codes and Standards "
                                                                             , concluded a first
         important phase of its work by making a full report of its activities :
         to the F'ast Reactor Coordinating Committee .                  The WGCS organi zed its investiga­
         tions into four main headings , namely :
         - manufacturing standards and quality control
         - structural analysis and design calculations
         - m.it criais                                                                 \        "
         - c laosi-.f i çot ion of components .                            -            ,
                                      . -           •         . " : ■ '              \                 '*                  ' '
                Jn its report to the FRCC , the WGCS produced a qualitative comparison ,
          of codes . and standards for fast reactors and identified points of                               -
          similarity and dissimilarity between Member States * It also outlined a
          programme for future work aimed at a detailed evaluation and qi/antification
          of the points of simi larity .and dissimilarity . Such evaluation could form
                                                  \                                                       ■
           tlio l>.ir.is for a subsequent progressive elimination of the dissimilarities .
< " / i' /         /n CATO 50 )        '                          .                                           -
                                                                              *           ' -     t
 ---pagebreak--- The FRCC considered the report of the W(?CS at its meeting of 7/ 12/ 77 and
expressed an opinion whose full text Isjappended as Annex 1 . In its opinion
the    FRCC :
                     ...                 . .                     '
- broadly approved the programme of future worK proposed by the WGCS
                                               ï ï'
- adjusted the mandate of the WGCS in brder to allow it to proceed with
    the above programme ;
- requested tha national organizations [ to contribute as efficiently as
                                                  )
    possible to the activities of the WGCs ;
                                                i                                 ♦
- invited the Commission to take suitable Initiatives to obtain the
    necessary support for the future activities of the WGCS .
                                  »                 »
                                      χ.
                                X            X                                  .   '
     The proposed Community actions are consistent with the programme of
                                                        also to be seen
   work outlined by the WGCS .    These actions are / in the. framework of the
   Communication to the Council entitled " The fast breeder option in the
   Community contect *• Justifications , Achievements / Problems and Action .
   Perspectives"*?'
     On the other hand the Council Resolution of 22/ 7/ 75***'on the
   technological problems of nuclear safety is also relevant . In fact , the
   Council received a first communication on the activity of the Commission
   in the field of Codes and Standards for Fast Reactors with the first
   progress report****' transmitted in compliance with point 8 of the above
   Resolution .                                * '                                    ':
 ■   C0M<77>361 final . Chapter 4 > Item < 1v.)
                                               %                   •
< ** > ECJ0 N° C.195 of 1A/ 8/ 75   '
                                                  <   .    • .~ *         ' ' i
                                                        ;•           • • • . }
( *** > C0M(77)168 final - par. 2.2.                                          ^
 ---pagebreak---    2 . OBJECTIVES , SCOPE AND JUSTIFICATION OF COMMUNITY ACTION
                            '               '   1'      '
       The objective of the Community Programme is to enable industry to
 proceed towards establishing a firm technical basis upon which a progressive .
 elimination of di ssimi larifies on Codes and Standards >for components which
  are specific to Liquid Metal Fast Breeder Reactors tLMFBRs ) can take place .
  Special LMFBRs components are those non-replaceable components which are
  or can be in contact with the liquid metal / its vapour or blanket gazes . '
    ^ The assurance of structural integrity of components plays an important
  part in achieving overall safety and economy in the construction of the piant
  and in its exploitation .    Only when such structural integrity can be
   assured for adequately long periods of time ,, the plant can be considered
   commercially viable .                                         -
       Whilst it is important that Code 's an^J Standards are not frozen in advance
  of technological developments and of the commercial demonstration ,, it is
  nevertheless necessat'y to initiate now the process of quantitative techni -     .
  cal evaluation and comparison .
       Only matters of technical consideration are involved . The implications
  of any national legal requirements that may be applied to special IMFBR
. components will only become clear when .the technicals bases have been
  compared . '                 \                          v
           «M              -        ,,
       Within the sparf of time which is concerned by this proposal •( 1979-1983 )
 the, envisaged programme would consist mainly in work involving qualified
 expert manpower , although some supporting experimental evidence would have
 to be generated towar'ds the latter half of this period . "
       The Commission believes that this programme should be contracted - mainly
 to industry ( reactor design and construction companies , component and
 materials manufacturers , and electric utilities ).
 ---pagebreak---                                   -   L m
                                                    )
  3 . Past achievements and content of the proposed programme of work
          As already mentioned , the past work of the WGCS has been organized
  according to four main headings , i.e. :
, - manufacturing standards and quality control
     structural analysis and design calculations
  - materials
  - classification of components .        .
          The long range goals against which the necessity of future work has
  been assessed are the following :
  (i)        It should eventually be possible for the regulatory authority of
             a Member State to accept as being structurally sound a component
             licensed by the regulatory authority of another Member State , without
             substantial modification or additional restriction other than as
             dictated by the site ; and
          i
  <n)        It should eventually be possible for an . electric uti lity to accept ,
             as sufficiently reliable a component accepted by the electric'
             utility of another Member State without substantial modification
             or additional restriction other than as dictated by the site .
            In what follows brief description of the results achieved up to now       ,
                    and of the proposed items of programme are given according to
  each area . The programme covers the period 1 / 1 / 79 to 31 / 12/ 83 .
                                                                 *
  3 . 1 . Manufacturing Standards and Quality Control
            3.1.1 . Achievement s
           A document , the " Code Quality " prepared . -for the .
   construction of Super-Phenfx has been used as the framework for investiga­
  tions .       Using this document , more than thirty separate manufacturing
  operations have been selected . ' The interrelation of activities , such as
   tests on purchased material , preparation of the work , execution of the
   work , tests on completion of the work has been identified for each operation .
   The practice adopted by each member State on each activity has been determined .
                                                                                     ./.
 ---pagebreak--- It has then been established where practices are identical In detail , where they
are similar and have the 9ame intent and where they differ significantly . It                          •
has ybeen found that in a majority of cases , the national practices examined
are either identical or show similarity . However / a substantial number of
points of significant difference exist .                                               -
       3.1.2. Future_grogramme
                                       <,      •   ■*      '          ' '
       The priority task is an evaluation     and quantification of the points of
difference which have been disclosed . Evaluation necessitates discovering the
ba-sis for the differences as applied to special LMFBR components and the
importance of the differences for various components and various conditions '
of use . The second task is to. extend the list of manufacturing operations
which should be considered ..
        The work' will include :
1 . A listing of practices which could be accepted as equivalent , together
        with statements about the ranges of conditions . and applications within
.       tlie equivalence could be accepted .                               1       »
2 . A short - list of differences in . practice 'which will require resolution .
3 . Work tending to resolve the most significant differences . '
               • •       '         ' .    .           1 .        <                         H.   V -
3.2 . Structural Analysis and Design Calculations                                -       '
    ^      3.2.1 . Achievements                  \                             '     -
           It has been found that Member States do not have identified national               (
Codes which have been developed specifically for LMFBR components . r It has also
been found that there is agreement among experts               .. that the field of
 components        operating at elevated temperatures presents that of the greatest
difficulty .        This field has therefore been accorded priority in the reported,
 investigations . In this field the only published set of design rules is
 contained in A.S.M.E. Code Case 1592^*/ which is used to a limited extent in
 Europe . However , because many of the rules are questionable , and some of the
procedures are difficult to apply , the code case is nowhere completely adopted ,
                             , ■ '             , ,        ■                                         tf
 and i s supp lemented or replaced by other design methods and design criteria .
  (   )                                                      •      .     .  -              "       •
          The American Society for Mechanical Engineers < ASME ) has developed a
          design code for boilers and pressure vessels , which permits the design and
          calculation of pressure vessels and circuits up to A50°Ci The A5ME code
          case 1592 proposes rules and methods to extend this code in the temperature
          region above 450°C , which is a region of interest for several components
          for sodium cooled fast breeder reactors .
 ---pagebreak---        The problem facing the designer-owners and licensing authorities is
that of demonstrating the integrity of components over their whole working
life , despite the time dependent degradation     of material properties such
as those tlue to the high temperature .
       3.2.2 . future^grogramme
1 . Detailed information exchanges on problems , design methods and design
    criteria . Topics for detailed evaluation will be selected, on a continuing
    basis and status reports issued^in addition to the high temperature class
  . 1 ^*^ components which have been the main topic of discussion so far , future
    considerations will include design rules for the low temperature Class I **
    components , as well as Class 2*** and Class 3 components **? ■
2 . Computational investigations , partly to check the adequacy of the various
    programmes which are used , and partly to provide . information in a number
    of problem areas .
3 . Analysis of previous experience of structural performance of components
    in demonstration plant and large sodium test loops , to establish the
    adequacy with which proposed design procedures predicted integrity .
A. Pooling of materials data from programmes of work carried out for specific
                                                         t
    reactor projects . There is , in addition , need for jointly available
    reference tests to establish long term behaviour , especially of welds .
3.3 . Materials
       3.3.1 . Achievements
       Selection of material specifications for construction of special LMFBR
components lies in a field particularly strongly influenced by national ,
non-LMFBR experience .                                               -
(*) Class I components ; components which contain
      large amounts of high level radio-active materials .
      Class II components : components preventing the consequences of failure
      of class I components or containing less important quantities of radio­
      active materials .
      Class III components : components , preventing the consequences of failure
      of class II components or containing low level radio-active materials .
N.B. This is a preliminary         compon|n?sJ&yal?ien Codes and Standards Working
       Group - see also § 3.4 .                                               ,
 ---pagebreak---        The task undertaken in this field was to investigate how materials are
selected and/ approved in Community Member States for specific applications
and what range of nominal materials is in present or projected use for,
Community LMFBRs . Nine different materials Were identified . One of the'se
materials , Stainless Steel Type 316 , was then selected for a study in greater
depth . It was found that nine different versions of Stainless Steel type 316
are in use and that these versions may have very different mechanical                -
properties .       _                                                                    ,.
       It is   considered       ^  that broad specifications do not form a ■ ;
satisfactory basis from which to achieve the long range goals stated at
par . 3(i ) and ( ii ).
       3.3.2 . Future programmes
   s   The next phase of the work should be the identification of thfe informa­
tion comprising both mechanical properties and chemical composition which .
should be made available so that in future it would be possible loJequ] valence 0
materials compatibly with " the long range goals stated at par . ^3 ( i ) " and ( i i ),
according to various .'limitations of use .     This required information will /         :
take into account the intended service conditions ,.- such as high temperature
or low temperature . -                        •                  _                       ' :
       This work wi 1 1 include :.     '    .
1 . Listing of materials which could be acepted as equivalent for specific
     LMFBR components , together with statements about the ranges of conditions
     and applications within which the equivalence could be accepted .         v>
2 . Quantitative interpretation of differences in propertiesof the -various
 ■   materials .                     .   .      '•
3 . Quantitative comparison of material properties derived from various
     testing techniques .                                                           /
4 . Reference tests on selected materials and conditions .
3.4 . Classification of components 'I ' '         -
       This area of work is mentioned in . this proposal only for th* sake of,
 completeness . No programme of work involving Community funding is proposed .
        Classification is the method for making the measures taken to ensure ,
 that failure will be unlikely , consistent with the consequences of such failure .
 ---pagebreak---                                   -   8
       The reactors Ph£nix     and PFR have been built without a formal
classification system. Such a system is required in the licensing of SNR 300 .
Safety classification of structural components will be required in future
for LMFBRs to be bui It in Germany and France . Italy has not as yet plans
for its own classification system, asfar as commercial reactors are concerned ,
but the PEC reactor has been designed in the framework of a classification
system . There are no indications so far that a classification system will
formally be required in the U.K. Detailed comparison of national claosif i cation
practices     Was therefore not possible .       Accordingly , the most advanced
available document was taken as a basis for discussion .           This document has
been produced specifically for the construction of Super7Ph£nix at 'Creys- .
Malville . It has been adapted in order both to simplify it and to make it
generally applicable to a - wider range of LMFBR designs .
       It is considered that the Classification document which will be .
progressively reviewed by the WGCS could eventually be used as a basis for
a Community classification system for safety and availability of LMFBRs
structural components ..
              ι                                                                  ' , .
4 . Financial ressources required for the proposed programme
     The programme of work being considered •i-s that defined at paragraph 3.1 . 2 .,
3.2.2. and 3.3.2 . It will be executed by contracts .
                                              The   cost of the programme     is
estimated at 5 M .E . U.A. Such programme covers studies and investigations over
the 5 years (3 M.g.u.A' ) and supporting experiments over the last 3 years of
the 5 years period (2 M.E.U.A' .).
     To this it must be added the cost of personnel and administration .
     The total cost of the programme is therefore estimated at 5-825 M.E.U.A.
 broken down as follows :
     Contracts        5 M.E.U.A.                                       '   ,
     Pe<-sormel        1 grade A. 1 grade B , 1 grade C »
     Personnel expenses     75 ?, 000   E.U.A. .  .
     Administrative cost     73,000     E.U.A. .
   .      '      •    ;         •           ■ '   '" .                      -
                                                                     i                 ■
                                                                     »
 ---pagebreak---                               -  9  -
5 . Programme Advisory Committee
    It is proposed ■ that the Fast Reactor Coordinating Committee acts as
Programme Advisory Committee for this programme * with the assistance of
its Codes and Standards Working Group .
 ---pagebreak---                                                       ANNEXE I
r AST RECTOR C00R6INATINS COMMITTEE                                               31/ 1 / 78
             OPINION of the FAST REACTOR COORDINATING COMMITTEE concerning the
             WORKING GROUP " CODES AND STANDARDS "
                 "" " ' -1 "       '     '            '           ' » ■           M
                                «r     '
           1 . The Committee has examined the report of its Working Group " Codes, and
                 Standards " ( doc . XII / 607/ 77 ). This report presents * proposal for its
               , future activities based on the work of the last two years .
           2 * The Committee is of the opinion that the Working Group " Codes and
                 Standards" has very well fulfilled its mandate , given to it In 1974 - >
                  by producing a qualitative comparison of codes and standards for fast
                  reactors and by identifying the points of similarity and di ssini lari ty
                  that exist between the Member States .
           3. The Committee considers that the achievement of these future activities
                 - which aim . at bringing the Member States closer togetV.r regarding
                                                                      *                        .
                  the methodology in the field of codes and standards - is a very 1 _'. or : ^ rt
                 element in facilitating the existing cooperation in the Community in
                  the construction of fast reactors , taking into account the industrial aM
                  regulatory realities .
                    The Fast Reactor Coordinating Committee thinks it therefore neces-*v
             to enlarge the mandate of the Working Group " Codes and Standards" fc /
              atfdirq the following clause :                   ■ : '    .
             " The Working Group'VCodes and Standards" shall try* to reach a conse" -. -j -
             of views on the evaluation of the points of dissimilarity in the nrt , \<j
             by promoting work which will facilitate such consensus , also takir ^ into
              account the contribution the Joint Research Center could make in this                -
              field . For this purpose it shall propose to the FRCC the necessary -r a cures
              and shall keep it informed about the results achieved in view of a                 *
             progressive elimination of these dissimilarities".
              - The Coordination Committee requests the national organizations to
                   contribute as efficiently as possible to the execution of these activities
              - The Coordinating Committee invites the Commission to, take suitable
                   initiatives to obtain the necessary support for the future activities
                  of the group .
                                                                   χ
                                                         Χ                  X
                                                   r                                 1 -
                         •   -■ Ύ    .     · /          . ' ''            .   . .            · I
 ---pagebreak---                                    PROPOSAL .
FOR A       COUNCIL DECISION .  ADOPTING       : A RESEARCH PROGRAMME FOR THE •
 EUROPEAN ENERGY COMMUNITY ON CODES AND STANDARDS            FOR FAST BREEDER REACTORS
 ( STRUCTURAL     INTEGRITY OF COMPONENTS )
 The Council of the European Communities ,
          *         %
          Having regard to the Treaty establishing the European Atomic Energy
 Community , and in particular Article 7 thereof
          Having regard to the proposal from the Commission following consultation
 with the Scientific and , technical Committee ,
          Having regard to the Opinion of the European Parliament ,           ;
          Having regard to the Opinion of the Economic and Social Committee .
      /   Whereas the Council adopted , .on 22 July 1975 ( 1 ) a Resolution orv the'
 technological problems of nuclear safety ;
        v Whereas the implementation of a research programme oh the structural
  integrity of components for fast breeder * reactors is of major importance V-'
  in the development of a safe and reliable reactor concept ;
                                            ,          _ * .              •
      .   Whereas the technical bases for a~ gradual opening up of the market in
  components for this concept should now be laid down ,                                   «
  HAS DECIDED AS FOLLOWS :                                                       . J.       N
  Article 1
  A research programme on Codes and Standards for fast breeder reactors as
- set out in the Annex hereto is hereby adopted for a period of five years
  with effect from 1 January 1979 *               "1 'V                               """
   < 1 ) O.J. N° C.185 of 14.8.1975
                                                                      i
                                                                      i
 ---pagebreak--- Article 2
The expenditure commitments required for the implementation of the programme
      are estimated at 5 825 000 EUA and the members of staff to be assigned
 to this project "by the Commission is set at three .
Article 2
The programme set out in the Annex may be revised at the end of the second
year , in accordance with the appropriate procedures .
                                          Done at Brussels
                                          For the Council
                                            The President
 ---pagebreak---                                 ANNEX
INDIRECT NUCLEAR ACTION PROJECT
           4                       '                          \
     RESEARCH ON CODES AND STANDARDS ( STRUCTURAL   INTEGRITY OF COMPONENTS ?  FOR
     BREEDER REACTORS   ' »
     The aim of the programme is to make gradual progress towards the establish­
ment of a comprehensive technologicaHDase' which could be used for the gradual
elimination of - dissimi larities in codes and standards for fast breeder reactor
                      1
components m the Community . These codes and standards relate to; the structural
integrity of components .
     The programme comprises the following points :
1 . Manufacturing standards and quality codes
       '*                                         v
     Evaluation and quantification    of dissimilarities .
                  ^                                  ■ *        <          -
 2. Structural analysis and design codes
     Comparative analysis of design methods and criteria . Computational
 investigations .   Analysis of experience with the structural behaviour of
 components .
 3 . Materials
     Evaluation and quantification of dissimilarities . Reference tests .
              s             *                                       '
                              >                                              '
          \
 ---pagebreak---                                                  XII / 535/ 78
                   FINANCIAL RECORD                        j
                                       '-                  !
                                                        -  I
                                                           I
RELEVANT BUDGET HEADING
Chapter 33 - Article 3366
TITLE OF THE PROJECT
Codes and Standards for the design , construction and Inspection of
 components for sodium-cooled fast reactors .
LEGAL BASIS
Article 7 of the EAEC Treaty .
OBJECTIVE OF THE PROJECT
 General objective : Creation of the conditions necessary for the growth
 of nuclear industries and promotion of research ( Articles 1 and .4 of
 the EAEC Treaty ).
 Specific objective : Evaluation of the discrepancies between codes and
 standards specific to fast breeder reactors , with a view to the gradual
.elimination of these discrepancies and , therefore , harmonization .
 This objective is in accordance with the Council Resolution of 22 July
 1975 on the technical problems of nuclear safety .
 The structural integrity of fast reactor components is an essential
 factor in the safety of these reactors .
 The intended aim , namely that of preparing the ground for possible
 harmonization , is essentially a Community one . The achievement of this
 aim will help , on the other hand , to provide an equivalent and
  satisfactory degree of protection for the public in the various
  countries and , on the other , to open up the market in components .
  FINANCIAL IMPLICATIONS OF THE PROJECT
  5.0 . Total cost for the Intended duration of the
        project :                                         S 825 000 EUA
 ---pagebreak---                                                             XII / ^35 / 78
                       -  2  -
                                            !
                                                                   1
   5.0.0.0 . Chargeable to the Community budget :  5 825 000
   5.0.0.1 . Chargeable to national administrations .
   5.0.0.2 . Chargeable to other sectors- at national level .    '
( 1 ) The total sum for expenditure on codes and standards specific to
      fast reactors in the Member States of the Community during the
      period under consideration is far greater than the amount chargeabl
                                  /
      to the Commission for the purpose of this jproject . Since the
      specific objective in the context of this limited project is
      essentially of a Community nature ( see explanation in section A ),
      it is advisable for this project to be financed in principle
      entirely by the Community .
 ---pagebreak---                                                                          XII / 535 / 78
                                         -  3   -
                       5.0.1 . MULTIANNUAL TIMETABLE FOR THE APPROPRIATIONS
                         Appropriations for commitment                in EUA
                *. .
1
                         1979    ,    1980          1981      1982         1983            TOTAL
                               . J
        Staff          134 000        142 000       150 000   158 500      167 500        752 000
1_
i       Adm.exp .       12 000         13 000 -      14 500    16 000        17 500        73 000
i
        Contracts 1 . 000 000       1 500 000     2 000 000   500 000                   5 000 000 !
i                                                                                                    I
                                                                                                     i
,       TOTALS       1 146 000      1 655 000     2 164 500   674 500       185 000     5 825 000
 I    .
 i
 l
 i
                         Appropriations for payment                       in EUA
                                                                                                    I
                         1979         1980          1981      1982         1983            TOTAL    j
 h      Staff          134 000        142 000       150 000   158 500  .   167 500        752 000 ,
      Adm.exp .         12 000         13 000        14 500    16 000        17 500        73 000
   I Contracts         300 000        600 000       900 000 1 600 000   1 600 000       5 000 000
   t
   !
   1 «ΜΜΜΜΜΜΜΜΜΜΗΜ
        TOTALS         446 000        755 000     1 064 500 1 774 500   1   785 000     5 825 000
 ---pagebreak---                                                                  XII / 535 / 78
                 •        v - 4 -                          .         'i '        • ■'
             ■                           ■     ■       •              i
                           .           ■     ■       .   •     .      i      -
                                           -   *   -         I        !     '    ■
 5.0.2 . METHOD OF CALCULATION
  ( a ) Staff expenditure
         The requirements were assessed on the basis of the following staff
 complement :
         1 Category A official
         1 Category B official
         1 Catégory C officiai .
         In addition to this staff complement , the calculations take account
  of the parameters determined for the drawing up of the preliminary draft
 of the budget for the financial year 1979 .         No increase in purchasing
  power has been provided for . Only a change - in the correction factor has
  been taken into consideration so as , to allow for the development of the
  overall price level in the Community .         '   '
   ( b ) Administrative exgenditure
         This covers the cost of travel , missions and the organization of
  meetings .
               '   .                                                           *
                           ■»                                                           •
        Since the nature of the subject and the qualifications of the
   contractors are variable , a standard method of calculation cannot be
. establi shed .
        At all events , the Advisory Committee on Programme Management would
  be consulted regarding the allotment of appropriations .
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   5.1 . Implications in respect of revenue
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                           -  5  -
6. FINANCING
   6.3 . Approprietions to be entered under future budgets