Sanjay Gupta

Background

About Sanjay Gupta

16 years of experience in the field of Engineering Geology and Geotechnical work in Underground Tunneling and Earth cut slope protection. Senior Expertise in Open & Underground excavation work for construction of rail, road and hydro Tunneling projects. Detail study and review of Geological/Geotechnical investigation work for rail, road, hydro & Power transmission line projects. Recommendation and observation on Geotechnical field/ Laboratory Testing work for soil and rock; Core Drilling, core logging, SPT in Bore Hole, Water Pressure Test, Shear Test, Plate Load Test, Electrical Resistivity Test, Block Vibration Test, Field CBR, Water Percolation Test (Pit/Bore Hole), SRT in Horizontal Strata and Laboratory Testing, CBR test in lab, Core UCS, Tri-axial Compressive test etc. Geotechnical Monitoring; ERT, SRT, GPR, TSP test supervision and interpretation, Probe Hole Drilling & Data interpretation. supervision of Grout mix test & supervision of contact and consolidation grouting, micro piling etc. Tunneling with “New Austrian Tunneling Method” (NATM), Norway Tunneling Method NTM, Tunnel boring machine TBM and Conventional Method. Underground Geological Tunneling tasks like Preparation of Face logs, Wall logs & 3-D logs for TBM Face mapping, Surcharge Shaft/ Pressure Shaft, Inclined Shaft, Tunnel Curves. Commands on Geological computer Software/Apps like Dips, Unwedge, Stereonet, Geo5, AutoCAD and MS Office. Retaining support recommendations using Rock Mass Classification parameters; Rock Tunneling Quality Index (‘Q’) System & Rock Mass Rating (RMR) System, GSI classification and SMR classification for Rock Support Assessment like Anchors/Rock bolts (SN/SDR/Swellex, Wire mesh, Grouting and Lattice/Rib-erection. Geological report preparation and Recommendation for retaining wall, toe wall and systematic drain for earth slope protection. Fault cavity treatment and support recommendation during the critical situation of tunnel water seepage and high deformation. Immediate decision making during additional recommendations for Tunneling progress using required methods like fore polling, Pipe Roofing, Anchoring, Back filling, Chemical/Cement Grouting etc. Tunnel Monitoring & analysis of deformation by using of specific instrumentation. Hill & River slope stabilization and stability analysis. Detail study and preparation of site development plan and protection drawing as per national and international codel provisions. Preparation of project Geotechnical/Geological Reports and Claims. Interaction between Client, Contractor and Consultants.