GPR scanning at various roads in whole campus at IIT Delhi.

Amount

Carrying out the survey for locating underground utilities by using advanced equipment such as Ground Penetrating Radar (GPR) along with the preparation of diversion plans, Location and depth of the underground utilities (water drainage, sewer line, HT cable, LT cable, OFC cable & other all activities etc.) has to be marked by combined Total Station and Differential Global Positioning System (DGPS), co-ordinates at every 10-meter length, for all utilities for straight run & in case of curved/bend location, co-ordinate at every 2 meters has to be worked out by the contractor. The GPR Survey will be done by using 250 MHZ Ultrawide antenna with 3D processing upto 8.0 mtr depth. Topological drawing of cables and other utilities in the corridor also to be mentioned with distance from the nearest landmark & center of the nearest track and shall be given in soft (PDF & Autocad format) & hard copies which will also refer the table of co-ordinates. As per details given below. (i) From Adhchini gate (gate no 03) to JNU gate. (gate no. 05). (ii) Gupta shop through Vaishali apartment upto T-point Avanti apartment i/c back side road of Vaishali apartment. (iii) Near Vaishali pump house (in front of Vaishali). (iv) Small roads between new campus (Duplex houses 9 to 28). (v) II-B/1 to II-B/8 (New campus near gupta shop). (vi) RCA round circle to T-point (In front of Neelgiri hostel). (vii) OAT (T-point) to T-point between Shivalik & Vindhyanchal hostel. (Back side). (viii) RCA round about to Kumaun Hostel (Shivalik & Vindhyanchal front side). (ix) Saptagiri & Dronagiri Hostel to Mini campus T-point near new Vindhyanchal. (x) Hostel gate (gate no 06) to Vikramshila appartment. (xi) Near Hort. Nursery to Bharti School. (xii) Mehrauli gate (gate no 02) to round about near 99C. (xiii) Main gate (gate no 01) to T Point (between Karakorum & Aravali Hostel). (xiv) T point southern road to North avenue (east campus) (xv) Block B1 to II-B/23 (Through D1 Block). (xvi) II-A/5 to southern road (T-point). (xvii) II-A/13 to Director lodge. (xviii) Front side II-B/23 to II-A/14. (xix) B6 block to T-point (near A1 block). (xx) New Campus(29-52). (xxi) Road between (New Campus 53-76).

8 Mtr. depth, 5 mtr width, (from the centre line/point of road) survey.

8 Mtr. depth, 10 mtr width, (from the centre line/point of road) survey.

8 Mtr. depth, 20 mtr width, (from the centre line/point of road) survey.

Devesh Kumar Dev (BID ID -3131461)