ENERGIA SUSTENTVEL DO BRASIL S'A ESBR

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ENERGIA SUSTENTÁVEL DO BRASIL S.AESBR
REDUCTION OF ENVIRONMENTAL IMPACTS OF THE AHE
JIRAU NEW PROJECT
May 20, 2008
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ADVANTAGES OF THE AHE JIRAU NEW PROJECT

• The revised Project with the new location of the
  dam developed by ESBR presents lower
  environmental impacts in relation to the original
  Basic Project for the following reasons
• Lower excavation volume
• Maintenance of conditions of flow rates and
  physical / biotic flows during construction
  phase
• Arrangement of engineering structures in friendly
  conditions as to river biology
• Better conformity to the conditions provided for
  in the Previous License as to ichthyofauna,
  movement of sediments and revolving of
  mercury-contaminated bottom
• Favourable conditions of topography of
  alternative axis in relation to the original
  axis
• Possible anticipation of energy generation in
  view of appropriate distribution in the
  arrangement of the two power houses
• Hydraulic engineering arrangement with spillway
  in more favourable conditions for maintenance of
  physical / biotic flows of sediments, drift of
  eggs and passage of young fishes.

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ORIGINAL LOCATION OF JIRAU DAM
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NEW PROJECT NEW DAM LOCATION
Reduction of Environmental Impacts
ALTERNATIVE AXIS
Reduction of Excavation Volumes
Costs Reduction
Power Generation Anticipation
The revised Project will have to be approved by
ANEEL and IBAMA
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NEW PROJECT ENGINEERING ARRANGEMENT
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NEW PROJECT REDUCTION OF ENVIRONMENTAL IMPACTS

• Reduction of excavation volumes
• Earth 6.266.169 m³
• Rock 43.636.876 m³
• Cofferdams 1.353.830 m³
• Removal of Cofferdams 530.313 m³
• Such reductions are possible due to the natural
  widening of the river in the new chosen location

• 19.5 times the volume of the Maracanã Stadium
  outer envelope
• 537 times the volume of concrete used in the
  construction of Maracanã Stadium
• 3.5 times the volume of concrete used in the
  construction of ITAIPU

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NEW PROJECT REDUCTION OF ENVIRONMENTAL IMPACTS

• Reduction of send-off volumes and cofferdams with
  lower movement of earth and rock as well as lower
  need of removal
• The reduction of excavation and cofferdams
  present environmental advantages in the new axis
  as they consequently reduce the send-off volumes
  and borrow pit areas and aiming to increase the
  area of original forest surrounding the worksite

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NEW PROJECT REDUCTION OF ENVIRONMENTAL IMPACTS

• Maintenance of the river on its natural bed
  during two dry periods ? Lower impact on the
  ichthyofauna
• To maintain the Madeira River diverted by the
  two natural river channels near the existing
  river island represents a more favourable
  environmental condition to the physical / biotic
  environment than the need of construction of an
  excavated channel in the original axis according
  to the Basic Project

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ENVIRONMENTAL BASIC PROJECT(PBA)
Programs with shared performance area according
to LP no. 251/2007

• Flora Conservation Program
• Fauna Conservation Program
• Ichthyofauna Conservation Program
• Public Health/Malaria Program
• Hydrosedimentologic Monitoring Program

Programs under joint responsibility according to
LP no. 251/2007

• Support Program to Indigenous Communities
• Programs related to the Archaeological,
  Prehistorical and Historical Heritage

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ENVIRONMENTAL BASIC PROJECT(PBA)

• Environmental Program for Construction PAC
• Water Table Monitoring Program
• Seismologic Monitoring Program
• Climatologic Monitoring Program
• Hydro-biogeochemical Monitoring Program
• Mining Rights and Prospecting Activity
  Monitoring Program
• Paleontological Heritage Preservation Program
• Limnological Monitoring Program
• Macrophytes Monitoring Program
• Flooded Area Deforestation Program
• Environmental Compensation Program

• Deforestation and Wildlife Rescue Activities
  Follow-up Program
• Social Communication and Environmental Education
  Program
• Affected Population Relocation Program
• Affected Infrastructure Recovery Program
• Social Compensation Program
• Reservoir Master Plan
• Leisure and Tourism Activities Support Program
• Clay pits and Campinarana Use Monitoring
  Program (LP)
• Environmental Compensation Program
• Considering the degree of impact on the
  Campinarana region (LP)

Programs with exclusive application to the
development of AHE Jirau.
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IMPLEMENTATION STRATEGY OF JIRAU PBA
Programs regarded as shared ones due to their
nature and scientific condition of implementation
shall be compulsorily unified as required in the
LP. Once identified the overlap of effects in the
areas of the two reservoirs of the Madeira
Complex will be treated as inserted in a common
universe
The relocation of the dam at 9.2 km downstream
the original axis does not change the natural
conditions of the physical / biotic environment
taking into account the scientific need of
sharing the various environmental studies within
the same universe determined by IBAMA in the
licensing process of the Madeira Complex
Due to common studies and integrated dimension of
environmental actions to be developed in both
projects the breakdown of the previous issue of
the worksite installation license and subsequent
installation environmental license covering the
reservoir is circumstantially justified
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ADDITIONAL INVESTMENTS IN THE SOCIAL AREA
Aiming at reducing social impacts on the city of
Porto Velho, ESBR has decided to increase its
investments in the social area and build a new
district in order to relocate the population of
Mutum Paraná.

• During the construction of Nova Mutum Paraná, we
  will implement
• Main and sewage treatment system
• Water distribution system
• Solid residues gathering and treatment
• Urban drainage and paved streets
• Green areas
• Primary and Secondary schools
• Health station
• Leisure and business area

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ADDITIONAL INVESTMENTS IN THE SOCIAL AREA NOVA
MUTUM PARANÁ

• During the construction of Nova Mutum Paraná, we
  will implement
• 300 houses for the relocated population
• 300 houses for technicians and engineers of the
  works ? after the end of works, the houses shall
  be passed on to the public authorities
• Infrastructure services (water sewage
  garbage) shall be passed on without cost to the
  Municipality of Porto Velho

We will carry out the city's master plan
including a long-term sustainability planning by
means of attracting economic activities and job
creation.
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ECONOMIC ADVANTAGES OF THE NEW PROJECT

• Advantages
• A power house with 28 units and the second one
  with 16 units
• Reduction in the number of cofferdams and
  environmental impacts
• Anticipation in the concreting of the second
  power house
• Increase of erection areas
• Simultaneous erection and commissioning of both
  power houses
• Power generation anticipation
• Reduction in the tariff offered to consumer

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NEW PROJECT IMPLEMENTATION SCHEDULE

• Beginning of civil works April 2009
• First phase cofferdams beginning May 2009 end
  July 2009
• Beginning of concreting for the power house and
  spillway January 2010
• River diverted by lower openings November 2010
• End of dam construction January 2012
• Beginning of generation in base-case March 2012
• Beginning of generation in optimistic case
  December 2011

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