Dalliane Cota Guedes

Experience

• 

  Walm Engenharia e Tecnologia Ambiental

  Jan 2015 - Jan 2016

  Assistance to civil/geotechnical engineers and geologists in studies and projects, particularly in the mining field. The work conducted at WALM-BH generally focuses on geotechnical, geological, and hydrological/hydraulic studies and projects related to waste dumps, sediment containment dams, tailings and water dams, slope stability in open pits, and earthworks, among others.Specific activities to be carried out include:Preparation of geological-geotechnical profiles from borehole dataInterpretation of geotechnical cross-sectionsInterpretation of laboratory test resultsPreparation of drawingsEvaluation of potential materials for use in filters, drainage mats, and bottom drains, applying geotechnical filter criteriaSlope stability and seepage analysisData analysis and development of instrumentation programs for geotechnical structuresPreparation of risk mapsAssistance in the preparation of technical reportsAnalysis of monitoring instrument dataOther geotechnical and geological studies and tasks.Note: Some acronyms or specific terms may require additional context to provide the most accurate translation. Exibir menos Assistance to civil/geotechnical engineers and geologists in studies and projects, particularly in the mining field. The work conducted at WALM-BH generally focuses on geotechnical, geological, and hydrological/hydraulic studies and projects related to waste dumps, sediment containment dams, tailings and water dams, slope stability in open pits, earthworks, among others.Specific activities to be carried out include:Preparation of geological-geotechnical profiles from borehole dataInterpretation of geotechnical cross-sectionsInterpretation of laboratory test resultsPreparation of drawings, in generalEvaluation of potential materials for use in filters, drainage mats, and bottom drains, applying geotechnical filter criteriaSlope stability and seepage analysisData analysis and development of instrumentation programs for geotechnical structuresOther studies and tasks related to geotechnical engineering and geology. Exibir menos

  • Geotechnical Auxiliar

    Jan 2016 - Jan 2016

  • Intern

    Jan 2015 - Jan 2016
• 

  Klohn Crippen Berger

  Jan 2016 - Jan 2019

  Peru/Lima (2 months) - Closure of Selene Tailings Storage Facility/Closure of Ares Tailings Storage Facility - Verification of field and laboratory tests for the tailings dam closure project, geochemical verification of cover material, and stability analysis of the structure.Itabitiro/MG (4 months) - Monitoring of experimental iron ore tailings embankments. Verification and interpretation of field and laboratory geotechnical tests conducted to assess the behavior of the deposited tailings in these embankments.Belo Horizonte/MG (8 months) - Preparation of final evaluation reports for each constructed embankment, interpretation of field and laboratory tests. Exibir menos Preparation of technical documents and geotechnical designs:Preparation of Project Execution Plan (PEP)Preparation of Operation ManualData consolidation reportGeotechnical report - Stability and percolationGeotechnical risk letter (Piezometers, Water level indicators, Surface markers)Internal drainage and bottom drainage designGeneral maps (Location, Dam Break)Lithology definition through interpretation of borehole data (Percussion, Combination, Auger)Borehole layout, Instrumentation planSlope stability analysisAssistance in the preparation of the Emergency Action Plan for Mining Dams (Maps, Safety Zones, Emergency Levels, Notification Flowchart)Assistance in the interpretation of laboratory tests, creation of graphs for report presentationPreparation of construction technical specifications for instrumentation, earthworks, preliminary worksMonitoring drawings and coordinating designers. Exibir menos

  • Junior Civil Engineer

    Jan 2017 - Jan 2019

  • Engineering Assistant

    Jan 2016 - Jan 2017
• 

  Progen S.A.

  Jan 2019 - Jan 2019

  Civil Engineer

  • Dam Safety Technical Audit - Control of dam safety technical audit documentation, verification of results.• Peer Review - Preparation of technical specification for contracting Peer Review of projects in the conceptual/basic phase for Vale's filtered tailings structures. Follow-up with the procurement department.• Dry Stacking - Studies and development of solutions for new filtered tailings projects with the objective of meeting Vale's Master Plan.Management of conceptual/basic projects, alternative studies for filtered tailings disposal over hydraulic tailings disposal within an exhausted pit. Laboratory testing monitoring. Development and interface with operations, strategic planning, long-term planning, and environmental aspects in the three projects in the conceptual design phase. Development of alternatives for licensing, project contracting, and schedule monitoring. Licensing of drilling activities with interface between drilling and environmental areas. Exibir menos

• 

  Vale

  Jan 2019 - now

  Maturity and Value AssuranceAct collaboratively and proactively to promote quality improvement and value addition to projects, aiming to ensure the achievement of expected objectives. It has a team that operates through multidisciplinary project analysis, integrated and matrixed with the Maturity Management, and includes professionals who act as normative for Project disciplines. The main activities are carried out through:Technical Review (TRw): Analysis aimed at supporting projects by identifying deviations, gaps, and risks in advance and providing recommendations for quality improvement and achieving the expected maturity for the current phase.Value Improving Practices: Application of various value-adding practices.Value Optimization: Methodology aimed at enhancing the economic attractiveness of the project and contributing to the feasibility of strategic initiatives.Maturity Assessment: Analysis aimed at supporting decision-making by identifying deviations, gaps, and risks associated with projects.Decision Review Board (DRB): Meeting that recommends whether or not to submit projects for approval at the gates of development phases.Governance Support: Monitoring projects during phase change requests, their approval, waiver requests, and exception requests. Exibir menos Engineering Development De-characterization of DamsCoordination of projects related to the dismantling of tailings, sediment, and water dams.Integration with project development interfaces.Application of Front-End Loading (FEL) methodology in project development.Preparation of documents to comply with legal requirements (MPMG, ANM, FEAM, etc.).Support for critical projects.Contracting feasibility, conceptual, and basic studies.Monitoring activities according to the planning schedule.Application of agile methodologies in project management. Exibir menos Project and Geotechnical Investigations • Design Review - Monitoring Design Review of projects in the FEL 2/FEL 3phase for filtered tailings structures (National/International).• Dry Stacking - Studies and development of solutions for new filtered tailings projects with the aim of meeting Vale's operational continuity needs.Management of master plan studies, feasibility, and conceptual/basic projects for waste and filtered tailings disposal. Waste disposal in pit:Development and interface with operational areas, strategic planning, long-term planning, and environmental studies.Member of CIPA 2020/2021 - Águas Claras Mine. Exibir menos

  • Master Engineer

    Nov 2023 - now

  • Senior Engineer

    Jan 2021 - Nov 2023

  • Engineer

    Jan 2019 - Nov 2021