Mumbai Division-Conducting feasibility study Investigation, Detailed Survey, preparation of GAD and DPR for construction of ROB/RUB.

Item Breakup - A-ALL USSOR ITEMS

46.76 3612.43 Boulder at all levels Drilling of NX size borehole (75mm dia.) in all types of hard rock and collection of rock core samples from boreholes and preserving in boxes.

42.00 1337.94 samples of soil from bore holes, including provision of air tight containers for packing and, labeling incl. transporting the samples to laboratory. Piston sampler shall be used for extracting undisturbed samples where necessary. Samples shall be collected as per IS:2720.

42.00 samples of soil from bore holes, including provision of air tight containers for packing, labeling and transporting the samples to laboratory. Samples shall be collected as per IS:2720.

42.00 1337.94 at approximate1.5m intervals in bore holes, as directed by the Engineer in charge Conducting laboratory Tests on collected soil samples as per relevant IS code

Each MUMBAI CENTRAL DIVISION-ENGINEERING/WESTERN RLY Conducting Laboratory tests on collected ROCK SAMPLES as per relevant IS code

Each Total 2324290.03