Brahmaputra Board-BB has published Cross Section Survey Of River Brahmaputra In A Reach Of 25 Km, From 15 Km Upstream To 10 Km Downstream Of Existing Saraighat Bridge As Per Tender Document. Submission Date for this Tender is 08-06-2022. Bridge Work Tenders in guwahati Assam. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Cross section survey of river Brahmaputra in a reach of 25 KM, from 15 km upstream to 10 km downstream of existing Saraighat Bridge. Each cross section extending above Maximum water level on either bank or embankment or Existing Road, taking spot level @ 50.00 m interval using recording type echo sounder with DGPS having interface with hydrography survey software like typack/Quincy or equivalent and withtotal station or Drone with DGPS including submission of necessary data in reports and drawing volumes showing details like X- section lines, bank line, sand bars, active channel, dry channel, important structures like spurs, Bank revetment etc. in Plan;complete X-section details showing observed maximum water level on the day of survey as well as other details; L- section; and other requisite information as per satisfaction and requirement of the department.Report should be submitted in 5 sets (minimum) in digitized form along with soft copies and raw data as specified and directed by the department. The survey data (raw), cross-sections, etc. are to be provided in the UTM project system and the maps are to be given in the Geographic coordinate system. The soft copy of the cross-sections is to be provided in an AutoCAD file and the soft copy of the raw data (X, Y, Z value) is to be provided in a CSV file or in an EXCEL file. The soft copy of the maps is to be provided in ArcGIS and QGIS compatible format. |
| 2 | Carrying of GTS benchmark from existing permanent benchmark to the satisfaction and direction of the department. |
| 3 | Carrying out Topographic survey and preparation of Index Plan of the Brahmaputra River reach of 25 km, from 15 km upstream to 10 km downstream of existing Saraighat Bridge showing complete and detailed location of existing hydraulic structures such as embankments, rods, bridges, weirs, barrages, intakes and other features like roadways, railways, towns/villages, and other details which are not carried out during river cross-section survey, etc. in the vicinity to the satisfaction and direction of the department. Plan should be submitted in 5 sets (minimum) in digitized form along with soft copies and raw data. The survey data (raw), cross-sections, etc. are to be provided in the UTM project system and the maps are to be given in the Geographic coordinate system. The soft copy of the cross-sections is to be provided in an AutoCAD file and the soft copy of the raw data (X, Y, Z value) is to be provided in a CSV file or in an EXCEL file. The soft copy of the maps is to be provided in ArcGIS and QGIS compatible format. |
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