Tender For providing of gis related survey services - sq. meter; as per tender document; 1:1000; topographic survey and contouring, bythometric lidar, dgps, total station method, photogrammetry survey, digital surface model (dsm) survey, contouring and mapping survey, gis a..
Tender For corrigendum : providing of custom bid for services - contract for periodic digital profile mapping of tg deck catenary and associated works during overhauling