tender for topographical dgps and drone survey of 60mtr. road sector -06, sector -29 and fatepur atta, yeida wc04 topographical dgps and drone survey of 60mtr. road sector -06, sector -29 and fatepur atta, yeida wc-04, 1 conducting traverse survey by total station recording all details with showing all existing structures features such as building, traces, culverts, h.t. lines, railway lines (if any) roads, electric, telephone lines well etc. taking spot levels at 20 mtr. interval in both side direction of the grid and making contours with the contours interval 0.25 mtr. and preparing the drawing on scale of 1:1000 and 1:4000 and making the above survey details on sazara plan providing computer floppy on the survey.ar yeida above 50.0 hect. & upto 100 hect. 2 above 250hect. & upto 500 hect. 3 drone survey for identification and mapping of assets including existing structure boundaries road etc. (field surveying cost, processing and data. labour charges etc. and handling over the ortho rectified images) layers of property line digitization, roads superimposition of sazra maps and village boundary.preparing the drawing on scale of 1:1000 to 1:4000 and providing computer copy of the survey. 4 fixing of control points by dgps topographical survey at various locations with in oriject area.(ar) yeida