North Bengal Development Department Tender

SCOPE OF WORK One Qualified Bridge Engineering Consultation Agency / Consortium /Group is required for arranging, conducting and submissions of phase-wise (from Preliminary Survey- to final completion and successful opening to traffic) consultancy for new bridge to be constructed in the districts of Darjeeling under NBDD as per following list 1. To take a visit for Reconnaissance Survey and put up Preliminary Feasibility Report just after inspection in PPT form [Time - within 7th Day]. 2. To conduct Detailed Survey with Total Station Surveying instrument on the proposed recommended waterway' with approach as per relevant IRC guidelines, to prepare Index Map, Site Plan, Topographical Map etc. required and nearest catchment area map (from Google Map). To collect Traffic Data & Hydrologic Data and river characteristics data including Flood Flow data [Time - within 14thDay]. 3. To submit GAD (General Arrangement Drawings) of SPAN-SCHEME by fixing waterways with suitable structure and approach proposals. (Contouring Longitudinal &Cross-Sections as per IRC guidelines, exact hindrance like existing structure, buildings and utility service lines like PHE / Electric lines etc. And other obstructions like bushes, hedges, trees, etc. are to be plotted in Site Map) [Time - within 28thDay]. 4. To clear Waterway approval after submission in proper form from CDO (Central Design Office, Saltlake, Kolkata) Irrigation & Waterways Dept or local office of respective Districts [Time –before preparation of DPR].

5. To prepare and submit Land Map with Land Schedule of detailed information (involving plots with affected area thereon) of plots involved within structure of bridge proper construction and approach area with detailed sketch of obstruction like existing structure, utility service lines. Necessary detailed data, relevant information should have to be collected from respective LA/BLLRO office & other offices with requisition done from the EE, NBDD [Time - within 45thDay]. 6. To submit the Clearance certificate from Forest Department after submission in proper form from West Bengal forest department or local office of the respective District[Time - within 45thDay]. 7. To submit the BOQ of Soil Test (boring for soil exploration @ 30/50/100m c/c, as may be fixed by NBDD authority, should be done for 20/30m below the foundation.) with proper boring point location drawings duly recommended by Expert and approved by NBDD authority [Time - within 45thDay].

8. To conduct Soil Test and submissions of Test Reports with Bore Log sample data (with physical sample in glass tube for all BH) in details with expert comments of recommendations on selection of Bridge foundations from Geo-Technical Expert Engineer as per approved proposals [Time - within 28thDay]. 9. One TECHNICAL NOTE, certifying that the most effective solution from technical angle and economy both, should be endorsed by Expert Engineering personnel from experienced professor / authorized designer of Jadavpur University / Shibpur/Kharagpur IIT College / Jalpaiguri Engineering College. One matrix covering the land acquisition problem, nature of crossing like foundation depth, length of approaches, length of bridge proper, fitness of river/ channel banks are to be dealt with. 10. To submit in editable soft copies (MS Word, MS Excel, AutoCad, MS Power Point)& hard copies of detailed design of all components, detailed estimate and detailed component drawings of all component of the proposed bridge including with all expansion / bearing all allied schemes pertaining to the construction. Third party certification is required for the Structural Design from Bridge Safety Engineer.