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Inspection and Assessment Services

When it comes to capital assets like bridges, industrial corridors, roads and utilities, ensuring the safety and longevity is important. They are a result of huge financial investments and therefore, dereliction of regular inspections and maintenance cause costly repairs and danger to life. Monarch provides inspections, safety audits and assessment services for these assets.

Our Inspection & Assessment group verifies that finished works and the assets inherited remain safe, serviceable, and compliant. A typical mandate covers visual and 360 photo walk downs, drone-/LiDAR based geometry capture, mobile mapping of pavements and rails, non-destructive testing (hammer, UPV, rebound), load-proof or static tests, road-safety audits at all five RSA stages, and structural‐health dashboards. 


We also address actionable repair and rehabilitation bills of quantities. Reports integrate defect tagging, prioritized risk matrices, and costed intervention plans, keeping owners ahead of failures and litigation.


Techniques, equipment & software

  • UAV photogrammetry & LiDAR (DJI M300 RTK + Zenmuse L1) for deck, pylon and corridor scans

  • Mobile LiDAR vans (MX-9) for kilometre long pavement and barrier inventories

  • SX-12 terrestrial laser scanner for bridge member geometry and clearance envelopes

  • GEDO Scan trolley for rail-track alignment and ballast profile checks

  • Thermal & optical drone payloads to detect hotspots on transmission towers and insulators

  • NDT tool-kit: rebound hammer, UPV, Schmidt hammer, cover-meter, strain gauges

  • Analysis platforms: BrIM/Navisworks for clash & deformation visualisation, HDM-4 for RSA economics, ArcGIS/QGIS for defect maps

Why Monarch is the trusted inspector:


Surveyors, structural engineers and safety auditors work as one team; raw point-clouds flow straight into BIM or RSA models the same day, closing the loop between findings and fixes. Our ISO-driven workflows keep data-to-report turnaround below five working days, and regulators acknowledge our 100 % first-submission acceptance rate on Road Safety Audit and bridge-inspection dossiers.


Representative projects:

  • Road Safety Audit, Delhi–Vadodara Expressway (three packages, NHAI) – full Stage 1-5 audits using UAV video, crash-data analytics and HDM-4; recommendations accepted without revision.

  • Periodic Inspection & PMC, Durgadi Six-lane Bridge across Ulhas Creek (MMRDA) – five-year post-opening inspection regime combining UAV LiDAR, NDT and lab testing; certificate notes “satisfactory performance.”

  • Transmission-Line Asset Inspection, Ladakh Power Development Dept. – Drone photogrammetry, thermal imaging and LiDAR sag-height analysis over 1449  km HT and 1783 km LT networks; digital twin delivered for O&M.

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