Annual Report 2009 - Isagen

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ANNUAL REPORT 2009 / ISAGEN S.A. E.S.P.34TGM Consortium, whose members areTermotécnica Coindustrial S.A., GeominasS.A. and Mincivil S.A., is in charge of projectconstruction. Estimated construction termfor the project is 40 months. Ingetec S.A. isin charge of technical and administrativeconsulting and engineering.Dam Works - Guarinó Inter Basin Diversion ProjectWater intake Works - Guarinó Inter Basin Diversion ProjectDuring 2009, water intake structures, intakechannel, low level desilting channel, and intakestructure for environmental minimumflow required were concluded. Mechanicalequipment for the water intake was assembled;progress was achieved in tunnel construction,excavating 3,069 m of it, and thedam construction started. Commissioningfor the diversion is scheduled for June 2010.Manso Inter Basin DiversionProjectManso Inter Basin Diversion Project is locatedin Caldas Province, in the borders of Samanáand Norcasia municipalities, on the easternridge of Central Mountain Range. This projectwill increase the mean energy output of Miel IPower Plant by 168 GWh-year.Project works include a small concrete-builtdam on the Manso River, intake structure, intakechannel, low level desilting channel, intakestructure for environmental minimum flowrequired, and a 4 km long diversion tunnel todrive Manso River excess flows to Amaní reservoirin Miel I Power Plant.Contents Letter from the CEO Achievements2009Good GovernancePractices EvaluationCorporateManagementFinancial Management
ANNUAL REPORT 2009 / ISAGEN S.A. E.S.P.35Manso - Amaní Consortium, whose membersare Conconcreto S.A., CSS ConstructoresS.A. and Estyma Estudios y Manejos S.A., isin charge of project construction. Estimatedconstruction term for the project is 1,000 calendardays. Ingetec S. A. is in charge of consultingand engineering.During 2009 the works on the access road tothe tunnel exit gateway continued, excavating83% of the total cutting volume and allowingequipment access to the exit gateway beforethe scheduled date. This allowed to completeexcavation and supporting works of theexit gateway and to start tunnel excavationon this side, six months in advance of thedate scheduled in the construction program.Two concrete-built bridges were constructedon this road, one of them, a 25 m long posttensionedconcrete bridge, and the other, a15 m long concrete-reinforced one. Diversioncommissioning is scheduled for June 2011.As far as water intake is concerned, during2009 civil work construction for low leveldesilting channel structure, intake structurefor environmental minimum flow required andflow reception tank, were completed.Construction of the intake channel to the tunnelstarted, excavating 1,158 m. A 35 m longpost-tensioned bridge was constructed overManso River.Intake structure for environmental minimum flow - Manso Inter Basin Diversion ProjectWorks on the access road to the tunnel exit gateway - Manso Inter Basin Diversion ProjectContents Letter from the CEO Achievements2009Good GovernancePractices EvaluationCorporateManagementFinancial Management
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Annual Report 2009 - Isagen

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