Global Certificate: ISO 9001:2015 +91 992 029 5201 info@sieat.org

Tunnel and Rail Construction Survey

SIEAT Engineering Pvt.Ltd. is the leading land and engineering surveying company in the Navi Mumbai India.We are committed to providing world-class survey solutions cost-effectively to the rail industry, through a combination of highly qualified personnel and the most cutting-edge technological equipment available. With our substantial experience and client-centred approach, we thoroughly understand the challenges faced by our clientele. We can provide and deliver a solution combining and integrating our surveys to meet our clients’ exact requirements.

Our success is based upon stringent quality control, reliability, efficient turnaround times and effectiveness to always provide superior customer service. As a result, we are widely recognised as one of the most experienced, professional, innovative and technically proficient surveying companies in the Navi Mumbai, India.
SIEAT Engineering recently successfully completed the Metro Rail Construction & Monitoring contract at Chennai and Bangalore.


Solution for Railways and Metro Rail Construction & Monitoring

SIEAT has employees trained to work safely on Rail Corridors to perform all aspects of surveying from track alignment, monitoring or deformation works, bridge and structure set out and as-builts, rail scans and site surveys. SIEAT is successfully delivering the following solutions throughout the duration of the Advanced Works project:

  • Complete solution of manual monitoring.
  • Geotechnical instrumentation and automatic total stations – including supply, install, maintenance and monitoring of survey equipment.
  • Collection, processing and reporting of data to client on a daily basis. The data is supplied in a specified format for inclusion in the client’s database.
  • Construction surveying: site control, Topographic surveys, As built surveys, and Setting out.
  • Provision of personnel for services on the ground, tracks and in the tunnels.
  • Expert consultancy including specialist survey advice and expert witness.
  • All work on site must be carried out with due regard to the condition of surrounding structures. We are carrying out all work in accordance with the strict health and safety standards. Our staff members are trained and have had special inductions for work on the site.
  • SIEAT has a full-time project manager on site to liaise with the client and coordinate the works. We also have multiple survey crews on site carrying out the manual monitoring and reporting on a daily basis.
Tunnel Construction

Survey for tunnel development using various tunnelling methods (i.e. TBM, Road header, Drill and Blast and Pipe Jack) including site establishment, machine launch, tunnel survey control, tunnel as-builts and models, deformation monitoring, management and troubleshooting of guidance systems. A network of multiple wall-mounted survey stations and 180 targets with accuracy of +/- 0.5 mm in the vertical plane +/- 1 mm in the horizontal plane.