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PROJECTS

 EPP Dam

  • Elaboration of the Executive Design of Stage 3 of raising;
  • Preparation of Dam Safety Audit in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of Hypothetical Failure (Dam Break);
  • Preparation of Dam Safety Periodic Review in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation Risk Letters (attention, emergency and alert levels for instrumentation) of the dam;
  • Preparation of studies of Water Balance and Planning of Raising Stages through

Dike of Fines

  • Preparation of Executive Design;
  • Bimonthly monitoring of instrumentation with reporting;
  • Preparation of Dam Safety Audit in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of Hypothetical Failure (Dam Break);
  • Preparation of Dam Safety Periodic Review in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation Risk Letters (attention, emergency and alert levels for instrumentation) of the dam;

Casarão, Cabeceiras and Vida Longa Dams

  • Bimonthly monitoring of instrumentation with reporting;
  • Preparation of Dam Safety Audit in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of hypothetical failures (Dam Break);
  • Preparation of Dam Safety Periodic Review in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation Risk Letters (attention, emergency and alert levels for instrumentation) of the dam.

Jacu and Sabão I Dam

  • Preparation of 'Design Review' of the Executive Design;
  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech.

Sabão II Dam

  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech.

Antas Norte Dam

  • Preparation of conceptual and Executive designs of 3 raising stages;
  • Several Dam Safety Audits in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of Hypothetical Failure (Dam Break);
  • Preparation of Dam Safety Plan in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of Emergency Action Plan of Mining Dam in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech.

Antas Norte Overburden Stockpile

  • Preparation of Conceptual and Executive Designs.

Pedra Branca Dam

  • Preparation of Conceptual and Executive Designs;
  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech;

Cipoeiro Dam

  • Preparation of Conceptual and Executive Designs.
  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech.

NMPSE Dam

  • Preparation of Conceptual and Executive Designs.

Leste Dam

  • Preparation of Conceptual and Executive Designs.

TAP D Dam

  • Preparation of the Executive Design of the emergency overflow channel.

Tailings Dam

  • Preparation of Basic and Executive Designs of 3 raising stages;
  • Several Dam Safety Audits in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech.

Water Dam in CCR

  • Preparation of Conceptual and Basic Designs.

F Dam

  • Preparation of Basic and Executive Designs of 3 raising stages
  • Preparation of studies Hypothetical Failure (Dam Break);
  • Preparation of Dam Safety Plan in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of Emergency Action Plan of Mining Dam in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech.

Dams 1 and 2

  • Dam Safety Audits in accordance with Federal Law 12.334 and DNPM Ordinance 70.389.

Dam 3

  • Preparation of the 'Design Review' of the Executive Design;
  • Preparation of studies of Water Balance and planning of Raising Stages through AcquaTailings software, developed by GeoHydroTech.

Grupo

  • Safety Audits and Structural Assessments of 23 dams owned by Grupo Concessionaires in SP, MG and RJ

Águas de Paraty

  • Preparation of Conceptual and Executive Designs of improvements in Pedra Branca Dam.
  • Preparation of Dam Safety Audits in accordance with Federal Law 12.334 and DNPM Ordinance 70.389 for Taboquinha 1 and 2Dams.
  • Preparation of Periodic Review of Dams Safety in accordance with Federal Law 12.334 and DNPM Ordinance 70.389 for B1 and B2Dams.
  • Preparation of Periodic Review of Dams Safety in accordance with Federal Law 12.334 and ANEEL Resolution 236 for 7 company's PCHs.

 

Santo Antonio dam (with a volume of over 40 million cubic meters of compacted earthfill and 500,000,000 m3 of stored tailings and it is the largest tailings dam in Brazil).

  • Preparation of conceptual, Basic and Executive designs of 20 stages dam raising;
  • Technical Fieldworks of 20 stages dam raising;
  • Monthly monitoring of instrumentation with reporting;
  • Preparation of Conceptual Design of Closure Plan;
  • Preparation of various studies Hypothetical Failure (Dam Break);
  • Preparation of various Dam Safety Audits in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of Dam Safety Plan in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation Emergency Action Plan of Mining Dam in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Risk Letters of preparation (attention, warning and emergency levels for instrumentation) of the dam;
  • Preparation of various studies of water balance and Raising Stages Planning through AcquaTailings software, developed by GeoHydroTech.

Specific tanks (lined with geosynthetic double layer for the storage of sulphide tailings with leak detection system)

  • Preparation of conceptual, Basic and Executive designs of 8 tanks;
  • Preparation of various Dam Safety Audits in accordance with Federal Law 12.334 and DNPM Ordinance 70.389.
  • Preparation of Dam Safety Plan in accordance with Federal Law 12.334 and DNPM Ordinance 70.389.
  • Preparation of Emergency Action Plan of Mining Dam in accordance with Federal Law 12.334 and DNPM Ordinance 70.389.

Vené Dam

  • Preparation of conceptual, Basic and Executive designs of 2 raising stages;
  • Technical Follow up of Works of 2 raising stages;
  • Several Dam Safety Audits in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of Hypothetical Failure (Dam Break);
  • Preparation of Dam Safety Plan in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of Emergency Action Plan of Mining Dam in accordance with Federal Law 12.334 and DNPM Ordinance 70.389;
  • Preparation of studies of water balance and Raising Stages Planning through AcquaTailings software, developed by GeoHydroTech.
  • Zé Bolacha Dam 
  • Pre-Feasibility Studies (PFS).

Mirandinha Dam

  • Preparation of Advanced Conceptual Design of 12 construction alternatives, up to 110 m height.

Santarém Dam

  • Preparation of Advanced Conceptual Design of 12 raising alternatives, up to 110 m height.

Murici deposit (lined tank to store hazardous waste)

  • 'Cross Check' Studies of the Tank Executive Design.
  • Basic and Executive Design for the disassembling, removal and road transport of the tailings from Velha Dam and Córrego da Lavagem Dam reservoirs to store in Murici Reservoir.

Gregorio Dam

  • Preparation of Executive Design;
  • Preparation of Studies of Hypothetical Failure (Dam Break).

Bocaiúva Dam

 

  • Preparation of Conceptual, Basic and Executive Designs.

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