Cross Section survey of river Brahmaputra in a reach of 25 km, from 15 km upstream to 10 km downstream of Kaliabhomora Bridge (near Tezpur) along with topographical survey

Amount

Supply of X-section survey data showing details of 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 river bed level, observed maximum water level on the day of survey as well as other details; L-section; and other requisite information after carrying out necessary cross section survey of river Brahmaputra including carrying and positioning of GTS benchmark from existing permanent benchmark in a reach of 25 km, from 15 km upstream to 10 km downstream of existing Kaliabhomora Bridge (near Tezpur) to the satisfaction and requirement of the department. 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 with total station or drone with DGPS. Report and drawing volume should be submitted in 5 sets (minimum) in digitized format 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..

Supply of topographical survey data with Index plan showing complete and detailed location of existing hydraulic structures such as embankments, roads, 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 after carrying out topographic survey of the Brahmaputra River in a reach of 25 km, from 15 km upstream to 10 km downstream of existing Kaliabhomora Bridge (near Tezpur) to the satisfaction and direction of the department. Plan and data should be submitted in 5 sets (minimum) in digitized format 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.

Himalayan Surveying Services

Global Marine Infratech Pvt. Ltd.

LandandCoast

Kishur Konwar

Curve Surveys & Lab