Responsibilities
Establish and Maintain Survey Control Network
Create and verify horizontal and vertical control points across the entire project area.
Establish permanent benchmarks for all critical structures (dam, tunnels, pressure shaft, caverns, powerhouse).
Maintain accuracy and stability of control stations throughout the project duration.
Setting-Out for All Civil, Hydro-Mechanical & EM Works
Provide accurate setting-out for:
Dam and spillway structures
Intake, HRT, TRT, adits
Surge shaft, pressure shaft/tunnel
Powerhouse and transformer cavern
Penstock alignment
Ensure construction matches the design coordinates, alignments, levels and profiles.
Underground Works Alignment & Monitoring
Conduct:
Tunnel alignment checks
Deformation monitoring (convergence measurements)
Overbreak–underbreak evaluation
Crown, wall, and invert position verification
Ensure breakthrough of tunnels from multiple headings occurs within tolerance.
Support for Hydro-Mechanical & EM Equipment Installation
Provide accurate alignment for:
Penstocks,



steel liners, bifurcations
Turbine runner, draft tube, spiral case
Generator stator, rotor centreline
EOT cranes and monorails
Maintain high precision as required by OEMs.
Topographic & As-Built Surveys
Conduct detailed surveys for:
Excavation quantities
Valley, river, and hill terrains
Underground cavity mapping
Penstock and pipeline routing
Prepare as-built drawings for all completed works.
Quantity & Progress Verification
Measure:
Earthwork volumes
Rock excavation
Backfilling
Concrete quantities
Support billing verification for contractors and subcontractors.
Geodetic and Structural Monitoring
Monitor movement/settlement of:
Dam body
Powerhouse
Pressure shaft
Underground tunnels
Detect and flag any unusual displacement to engineering or safety teams.
Calibration & Instrument Management
Ensure all survey instruments are:
Calib

📌 Manager Survey Gandikota (India)
🏢 Adani
📍 India