Tender For Consultancy For Flood Plain Zoning Of River Ganga / Bhagirathi / Hooghly From Farakka Barrage To Outfall - (Approx. 560 Km.)
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Bid Submission
15 Sep 2026
0 days left
EMD
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Bank guarantee accepted
Document Fee
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Non-refundable
Tender Type
Online
Tender Overview
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Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
24 Paraganas North → West Bengal
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Not Available
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Project Description
Tender For Consultancy For Flood Plain Zoning Of River Ganga / Bhagirathi / Hooghly From Farakka Barrage To Outfall - (Approx. 560 Km.)
BOQ
| Sl. No. | Item Description |
| 1 | Flood Plain Zoning |
| 2 | 1. Survey and Data Collection Study Reach: River Ganga / Bhagirathi / Hooghly from Farakka to Outfall – (Approx. 560 km.)Hydrological Survey: Collection of rainfall, discharge and water-level dataBathymetric Survey: River bed survey at 500 m intervals, with 250 m C/C spacing in meandering reaches.Terrain Data: Processing of 2.5 m × 2.5 m DEM and multi-temporal satellite imagerySurvey Control: Establishment of GCPs, benchmarks and a geo-referenced survey database2. Hydrological and Hydraulic ModellingFlood Frequency Analysis: Estimation of design floods for 5-, 25- and 100-year return periodsHydraulic Model: Development of a 2D hydraulic model for River Ganga/Bhagirathi/Hooghly using softwareFlood Simulation: Generation of water-surface profiles, flood levels and inundation extentsModel Validation: Calibration and validation using observed hydraulic and flood data3. GIS Analysis and Flood Plain ZoningLand Use Mapping: Preparation of land use pattern maps for the River basinContour Mapping: Generation of contour maps from the 2.5 m × 2.5 m DEM with 0.3-0.5m contour interval FPZ Mapping: Delineation of floodplain boundaries and protective, regulating and warning zones GIS Validation: Integration of field observations with GIS-based flood zoning outputs4. Deliverables and Capacity BuildingDraft and Final Reports.,Land use pattern maps., GIS maps of FPZ for 5, 25, 100 years on 1:10,000 scale with 0.3-0.5m contour interval [soft + hard copy].Protective, Regulating, Warning zone boundaries on Mouza maps with Lat/Long/Elevation at 50m interval in tabular form.,Model outputs ,Flood inundation map.,Water-surface profile resultsJoint field verification with Dept. & District Administration. GCPs matched with Survey of India benchmarks.Training: 2 workshops [at end of 3rd & 5th month] + 2-day training before each workshop for 20-25 dept. engineers on RS-GIS & Hydraulic modelling and applications Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 01, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 15, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
TodaySep 15, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
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