Topo & Land Survey

• Carrying out Topographic survey, collection of details of existing features like river/canal/road crossings, HT/LT power line crossings, PAP, etc. and making the data in desired format with index, points and codes.
• Transferring the alignment on ground.
• Demarcation of Land Boundary points, center line on ground to fix pillars using precise survey instruments.
• Studying project vicinity and identification of possible rail route alignment based on the available reports, drawings and other information.
• Taking levels on formation at defined layers of embankment.

• Taking levels of structures at every control level i.e. bed concrete, soffit or top level etc.
• Frequent checking of the permanent bench marks (BMs) and TBMs.
• Checking/controlling the activities like earthworks, levels of structures including frequent checking of alignment/embankment/structure during execution of works with respect to designed alignment/embankment.
• Setting/layout of curves etc. during execution of earthwork, P-way work and frequent verification of curve alignment as per coordinates as well as by tangent length and deflection angles method.
• As per the procedures, methods and guide lines given in the Indian Railway Permanent Way Manuel.

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