Tender For providing of custom bid for services - outsourcing of survey and mapping work will comprise topographical survey contouring and geological mapping fixing of borehole points and finding out the r l of borehole collar by dgps and total station quantity: 1
Tender For site investigation, collection of field data, analysis, preparation of drawings, design in 6 copies, rectification of alignment for tunnel 25 and tunnel 26 and from tunnel 27 (portal 2) to tunnel 1 (portal 1) at tupul yard. the scope includes desk studies, traverse mapping, geophysical surveys, sub-surface investigation, geological investigation, geological global stability analysis, logging, report preparation, and supervision during construction of tunnel no. 25 & tunnel no.26 and proposed structures in tupul yard from tunnel 27 (portal 2) to tunnel 1 (portal 1), major bridges, under the jurisdiction of the deputy chief engineer (construction) - 4,3-imphal, deputy chief engineer/jiribam in connection with construction of jiribam-imphal new broad gauge line project (manipur) of north east frontier railway.