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An overview of Present Dam Safety Management in Sri Lanka

An overview of Present Dam Safety Management in Sri Lanka. Badra Kamaladasa Sri Lanka National Committee of Large Dams. How many Dams in Sri Lanka?. Medium and Large -320 Earth dams-307 Concrete gravity -08 Concrete double arch -01 rockfill -04 Small 12,000.

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An overview of Present Dam Safety Management in Sri Lanka

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  1. An overview of Present Dam Safety Management in Sri Lanka Badra Kamaladasa Sri Lanka National Committee of Large Dams

  2. How many Dams in Sri Lanka? • Medium and Large -320 Earth dams-307 Concrete gravity -08 Concrete double arch -01 rockfill -04 • Small 12,000

  3. Different categorizations • Ancient dams – Original construction centuries ago, restored in 1850 onwards • Recent dams – located in new places where no ancient dams existed • Modern dams - dams with new technology Large Dams according to ICOLD classifications- 76

  4. Who are the guardians? • Irrigation Department • Mahaweli authority • Agrarian Development Department • Provincial Councils • Ceylon Electricity Board • National Water Supply & Drainage Board • Farmer Organisations NO PRIVATE OWNERS

  5. Management Structure

  6. Financial capabilities

  7. Technical capabilities • Farmer Organisations • – No technical background • Agrarian Development Department • – Dam Safety function is not identified • National Water Supply and Drainage Board • – Dam Safety function not identified, scope available to develop skill • Provincial Council • – Dam Safety function identified in certain PCC, • Ceylon Electricity Board • -Dam Safety function identified, scope available to develop skill • Mahaweli Authority • -Trained and Skilled group leaving / limited opportunities for newcomers • Irrigation Department • -Trained and Skilled group leaving / In a better position that other organisations/ limited opportunities for newcomers

  8. Shortcomings • Technical competency • Financial limitations • Absence of island wide national standards for designs Constructions • Absence of island wide mechanism and standards for safety management • Ambiguity over ownership and authority • Priority always for water storage

  9. Concluding Remark Absence of an independent regulatory authority • Regulation done by the implementation agency itself • Media becoming the pseudo regulating authority

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