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Service Overview
Metro construction involves some of the highest-risk activities in civil engineering, from tunnel boring in variable ground conditions and deep excavations to elevated viaduct erection over live traffic. Desapex’s digital construction monitoring brings real-time, scan-verified intelligence to these highly critical operations.
Our Digital-First Approach
Deploy Scanning & Drones
We deploy laser scanning for precise structural dimension verification and drone surveys for elevated works monitoring.
Core Deliverables
TBM (Tunnel Boring Machine) progress tracking and segment ring installation verification.
Cut-and-cover excavation monitoring (retaining wall deflection, ground settlement tracking).
Viaduct segment erection monitoring and span alignment verification.
Station structural works monitoring including rebar placement and formwork checking.
As-built documentation creating a continuous, time-stamped construction record for every section.
Why Choose Desapex
In tunnel and underground construction, the cost of correcting a geometry error increase exponentially once the next segment ring is installed. Desapex’s scan-based verification catches dimensional deviations at each increment when correction is still highly feasible, preventing cascading errors that could render an entire station box dimensionally non-compliant.
Unique Selling Proposition
Our USP is the creation of a complete, scan-verified construction record for every metro structure. This digital as-built record serves the entire 100-year operational life of the infrastructure, supporting future rehabilitation and regulatory compliance with verified geometric data rather than estimated as-built drawings
