Public Works Department Tender

Appendix-A Topographic survey

OD239046/2024-2025:Detailed topographic survey using Total station/mobile Lider and preperation of site plan of minimum of 15m on either side of the centre line and vtaking cross section details at 25m intervals on strait roads and 10m interval on curves ( survey includes detailes of all features as mentioned in the scope of the in plain terrain work within the limit of survey). The survey shall be includ establishing DGPS Control points at starting and ending of the project in pairs and at 4Km intervals (in pairs) in plain and rolling terrainand 2.5Km intervals ( in pairs) in hilly terrains. It shall also include establishing inter visible traverse control points note more than 250m apart with accuracy at least 1:10000 and desirable 1:20000 in distance measurement. Elevations on each of the control points connected to MSL of GTS Bench marks. Using precition levelling. Seperate bench marks need not be established. Including Taking sufficient Color coy prints (5nos)

OD239047/2024-2025:Establishing DGPS control points onTOR steel bar of 10 mm dia fixed in RCC pillar of size 20X20X70cm embeddded in concrete M15 up to a depth of 40 cm and the balancce 30 cm above the ground shall be painted yellow