Maintenance of NH 22 New NH 5 from Km 13.00 to 24.250 SH Repair of road surface between Geological investigation at RD 13.640 to 13.720

Geophysical Investigations: Carrying out Seismic Refraction Tests (SRT) as per IS:15681 along defined lines and submission of Geophysical Investigation Report with details, location of SRT lines, details of stratification, cross- sections with proper color coding and correlation to strata type complete as per direction Engineer-in-charge.

Geotechnical Investigations Conducting geotechnical investigation by drilling boreholes in all types of soil/boulder/rocky strata as per IS 1892:2021 with minimum bore diameter of Hx size at specified locations including conducting SPT in soil strata, core logging, providing core boxes, storing the samples in core boxes, arranging water for drilling, collection of representative samples, conducting laboratory tests and submission of test report.

Conducting laboratory Tests on collected soil/rock samples (Number of test) depends on the sample collection), preparation and submission of Geotechnical investigation report Sieve analysis (soil) Natural moisture content (soil) Bulk/Dry density (soil and rock) Atterberg limits (LL, PL, PI) (cohesive soil) Direct Shear Test (for non-cohesive soils) Unconsolidated Undrained Test (for soft to stiff cohesive samples) UCS and Point Load (rock) .

Carrying out detailed 3D laser Topographical survey of project site, capturing high resolution images and videos of the site by establishing ground control points, generation and submission of detailed contour maps with global coordinates and levels as per permanent bench marks, high resolution 3D model (.las file), DEM, DSM, Contour plan (with contours plotted at 0.5m interval) of the extent defined and Cross section drawings at every 10m intervals with mapping of structures present along the full stretch (transmission towers, electricity poles, towers, hutments, buildings, existing road alignment (center line and boundary), drains (if any), bridge ,location, river (if present at toe of the slope), etc.)

Conducting slope stability analysis of site for pre loading and post-loading conditions and submission of slope stability analysis report along with proposed solutions considering existing au roundly periphery on potential affected area. Note: - Above rates are inclusive of GST Taxes. Quantities Rates (INR) Total Per Job.