East Central Railway Tender

Conducting Aerial Topographical Survey with DGPS Integrated RTK/PPK UAS DRONE based photogrammetry and Lidar to capture ground features and assets on new line section. Survey will develop following deliverables within an accuracy of 5cm RMSE. Trolley or Engine Mounted LIDAR shall also be conducted to get uniform accuracy and data throughout the project. 1. Topographical base map in AutoCAD format of 1:500 scale having all the natural & man-made features such as Govt./ Private /Residential /Commercial buildings, roads, walls, boundaries /fences, towers, electrical masts, industries, pond/tanks, mines, well/tube wells, ROB / Flyovers, etc. in .DWG or .DXF format. 2. Contours at an interval of 50 cm in DWG or DXF format. 3. Digital Elevation Model of 1m resolution in ASCII format and DWG format. 4. 3 cm resolution (GSD) Orthophoto in ECW or TIFF format which can be opened in CAD. 5. List of Control established onto the Ground using DGPS & RTK at 01 every 250 m along with their Latitude, longitude and Elevation. 6. Hard Copy of topographical map in 3 sets. 7. NSSDA report showing accuracy achieved in comparison to control points established. 8. Digital Terrain Model report showing accuracy achieved in comparison to control points established. 9. Preparation and supplying of Yard Plans (ESP's)of various proposed stations showing positions of track and related tructures based on concept plan on autoCAD and submitted in CD. 10. The levels shall be provided at every 25 M interval and each 5 M for cross section up to 30 M beyond toe/edge of bank /cutting of BG formation for cross section and must be shown in the plan. 11. The reduced level shall be connected with standard benchmark. 12. L- section /cross section will be prepared on computer in AutoCAD and submitted in CD in soft copy. 13. Index plan in soft copy showing level at every 10m. 14. Payment shall be made on the basis of actual length of alignment covered. Note - Payment schedule 1. Final Location Survey Submission of L sections, Index plan including signature of construction officers: 60% Final Approval of L sections, Index plan by Rly: 10% 2. ESPs of station yards Submission of ESPs including signature of construction officers: 15% Final Approval of ESPs by Railway 5% 3. Final report: 10%"

Submission of project report for final location survey ,Traffic survey (FIRR & IRR) & detailed estimate of civil engineering, Electrical (TRD & general), signal & Telecomunication should be latest & realistic. 01 Rate analysis should be submitted as per instruction of engineer-incharge. Note: The details of quantities shall be submitted block section wise. Submission of Project Report for Final location survey & detailed estimate with preparation of detailed schedule of quantity for formation work, ballast supply. The report should onsist of quantity of earth work, blanket material, ballast, length of retaining walls; length of side drains etc. details quantity of various items of minor, major, mportant bridges, ROB, RUB, & cost of estimation thereof. The estimate shall be up dated to include items as per the latest practice of Railway & Rly Bd's instructions. The rates adopted for chedule of quantities"

Preparation of GAD and submission (including assistance in approval) of final drawings (on tracing paper) for major/ROB/important bridges to suite 25T/32.5T loading & necessary detailed design to work out 01 proposed foundation of abutment, piers etc. and superstructure. Design calculation shall be submitted by contractor. After approval of drawings on tracing, the drawing will be got scanned and ten copies of white print for each drawing will be submitted by the contractor. Payment schedule : 1. Submission of final tracing including signature of construction officers : 70% 2. Final Approval of drawing by Railway: 30% (a) Important & Major ridges (ROB/FOB)