INTERNATIONAL COMMISSION ON LARGE DAMS (ICOLD)
COMMISSION INTERNATIONAL DES GRANDS BARRAGES (CIGB)

1/ Address
CIGB-ICOLD
Central Office
151, Boulevard Haussmann - 75008 PARIS
Phone : (33-1) 40 42 68 24 - Fax : (33-1) 40 42 60 71
Telex : 641320 ICOLD F 

2/ Brief history
The International Commission on Large Dams was founded in 1928 to promote progress in dam engineering by offering the profession a forum for discussion specifically devoted to their specialist interest.

 3/ Status
 ICOLD is a non governmental International organization, governed by the French 1901 law on Associations.
 The official languages of ICOLD are English and French, most publications appearing in both.
 Finance is raised from membership fees and sales of Publications.

 4/ Membership
 ICOLD members are countries, represented by National Committees. Individuals cannot be members, they join through their respective National Committees.
ICOLD currently has 80 member countries, representing about 5000 individuals, plus corporate members in the form of engineering consultancies, laboratories, contractors, etc.

5/ Organization
ICOLD Officers comprise a President, six Vice Presidents and a Secretary General and Treasurer.
 The President and Vice Presidents are elected for a single three year term.
The Secretary General's post is renewable, the present incumbent, the seventh in line, having taken up his duties in January 1979.
The Central Office stationed in Paris is the administrative and logistics centre. It 's run by the Secretary General, answerable to the President.

 6/ Objectives
 The original objective of ICOLD as formulated in 1928 was to encourage advances in the design, construction, operation and maintenance of large dams and their appurtenant works through the collection and dissemination of information and stimulation of research.
 The organization is primarly concerned with dams over 15 m high, of which there are now more than 36 000 in operation according to the ICOLD World Register.
 Since the seventies and even before, however, more emphasis has come to be put on certain aspects whose importance has appeared with time. Thus dam safety focuses on monitoring methods and systems, re-analysis of old dams and spillways on the basis of modern criteria and methods, and ageing effects. Environmental impact is now also an important preoccupation.
 More recently, new subjects of study have appeared : cost savings accruing to better constructional approaches, the harnessing of rivers forming international boundaries, and information for the public at large.
 In addition to its engineering importance, ICOLD has come to be a medium for international entente. Membership is seen offering a place among equals in the international community, and individuals, by talking and working together on shared problems, develop a better understanding and more tolerance of each other.

   7/ Main activities
 The objectives of ICOLD are pursued through the work of the ICOLD members and the printed matter circulated through Central Office. Regular Congresses and Symposia provide an ideal framework for exchanging information and discussing practices and ideas ; Central Office publishes the reports submitted and the detailed Proceedings. A worldwide network of information collection operates through the Technical Committees, which periodically draft reports to be issued as ICOLD Bulletins or engineering books.
 Five-day Congresses at three year intervals discuss four technical questions such as recent developments in concrete and embankment dam construction, spillways, flood forecasting, safety, foundations, deterioration, environment, etc.
 A one-day Symposium is arranged in non-Congress year. In all there for, six technical questions are discussed per three-year period.
 ICOLD Technical Committees review technology in specific areas, e.g. safety, design criteria, seismicity, materials, environment, construction methods, performance monitoring, siltation, hydraulics, design flood, tailing dams, etc. The best international experts are actively involved in this work A two-day Executive Meeting takes place annually to discuss and decide administrative and financial issues. It also nominates Technical Committees, drafts their terms of reference, examines their progress and approves their reports for publication.
 The Executive Meeting, Technical Committee meetings and Symposium all take place at the same venue for the duration of one week; every third year, the meetings last two weeks to include the Congress.Pre- and post meeting Study Tours are arranged every year to operational dams or construction sites, with discussions between the visiting engineers and the engineering and construction staff.

In addition to these international activities, each National Committee arranges its own activity : meetings, tours and publications, frequent joint events on a regional basis.

8/ Accomplistments
 Seventeen Congresses have been held since the inaugural one in London in 1931. The last was in Vienna in 1991, the next will be in Durban (South Africa) in 1994. Attendance has grown steadily from 900 to 1000 between 1961 and 1970 to double the figure as soon as 1973.
 ICOLD Congresses represent the largest and most important meetings of dam professionals and the five-volume Reports and Proceedings (7000 pages) published by Central Office are considered as comprehensive, authoritative reference works by the whole international dam engineering community. They are purchased by companies and universities and it is remarkable that they have an excellent sales record over and above the copies distributed to those attending the Congresses.
 The Technical Committees, which now number 19, issue as a whole two to ten reports yearly and 79 Bulletins are now available, together with manuals, Registers and a six-language Dictionary on Dams. Abstracts of ICOLD Congress Papers are now available in computerized form.
 The influence of ICOLD is perceptible in many areas. At its promptings, much more attention is now given to performance monitoring, some countries are increasing spillway capacities, engineers are much more aware of environmental issues ; there are many other examples.

 ICOLD is now invaluable to progress in the profession.

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