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Email: Sales Team
Phone: +44 1276 857800
Fax: +44 1276 856367
VoIP: +44 5601 267281

Network Mapping Ltd

Post:

Unit B1G Fairoaks Airport
Chobham
Surrey
GU24 8HU
United Kingdom


Registered in England
Company No. 634 7879

United States

Email: Randy Rhoads
Phone: +1 310 560 4142
Fax: +1 703 738 7372

Network Mapping Inc

Post:

1220 North Market Street
Suite 804
Wilmington
Delaware 19801


State File No. 4799299

Railways

“The key to effective planning is a comprehensive understanding of our infrastructure, its current condition and an awareness of its likely future condition based upon current maintenance regimes and traffic forecasts.” Network Rail, 2004.

Network Mapping provide solutions for the rail industry that includes topographic model generation for new route design, non-intrusive survey of existing lines and vegetation clearance schedules. These solutions offer “predict and prevent” rather than “react and repair” maintenance strategies. The datasets we acquire are entirely flexible, and can be imported into a range of programs including Bentley Rail Track™.

New railway route survey

  • Rapid, accurate, topographic model generation over large areas
  • Accurate modelling of both the bare earth ground surface and forested areas (vegetation penetration)
  • Vectorization and attribution of existing features for detailed base mapping
  • Horizontal and vertical route alignment
  • High resolution orthorectified imagery for entire survey corridor
  • Generation of contour models, DTMs, and TINs
  • Data tied in to local projection and datum where required, or SnakeGrid™

Existing railway maintenance

We are able to integrate track-based LiDAR scan data with our airborne datasets in order to produce an integrated survey dataset. This can be used for;

  • Track cant and gauge measurements
  • Height and stagger measurements of electrified overhead lines
  • Earthen bank stability survey
  • Tunnel, hard object and vegetation clearance analysis
  • Condition assessment of tunnels and the underside of bridges
  • Alignment sheet base mapping
  • Optimisation of signal sighting

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