Geotechnical & ERT Investigations - Solar Power Plants
Client: Solar Energy Developers / Secure MetersLocation: Gajner (Bikaner), Bap (Jodhpur), Pali & Udaipur, RajasthanTimeline: 2023 - 2025
Geotechnical and SPTPower & Renewable Energy
Executive Summary
Multi-site geotechnical exploration and geophysical electrical resistivity profiling across massive solar power installations in Bikaner, Jodhpur, Pali, and Udaipur, determining pile pullout and earthing parameters.
Project Highlights
- Multiple utility-scale solar plant sites across Western Rajasthan
- Deep boreholes with continuous SPT and core sampling
- 4-pin Wenner method Electrical Resistivity Testing (ERT)
- Foundation recommendations for MMS tracker pile foundations
Scope of Work
- Rotary core drilling and Standard Penetration Tests (SPT)
- Laboratory soil grain size, shear strength, and chemical analysis
- Soil electrical resistivity testing (ERT) for substation grounding
- Safe bearing capacity (SBC) and pile pullout calculations
Engineering Methodology
STAGE 1
Field Borehole Drilling
STAGE 2
SPT & In-Situ Testing
STAGE 3
ERT Geophysical Survey
STAGE 4
Lab Testing & Foundation Report
Standards & Codes Applied
IS 1892Subsurface investigation for foundations
IS 3043Code of practice for earthing
Certified Deliverables
- Comprehensive geotechnical investigation reports
- Soil resistivity logs and earthing depth profiles
- MMS pile foundation design recommendations
- NABL certified laboratory soil test certificates
Project Outcome & Impact
Supplied precise foundation and earthing engineering data that accelerated solar plant commissioning across hundreds of megawatts of renewable capacity.