PPW Final Report, June 2000: Gorai River Re-excavation Project, Pilot Priority Works

1st season 2nd season activities alignment already appeared Bangladesh bridge caused clay completely concentration consequence contract Contractors PPW Final cross-profiles curves deposition depth developed differences direction discharge diversion ratios downstream dredged channel dredger dredging season earlier early effect entrance erosion executed expected fall figure flow flow velocity further future Ganges Gorai River Contractors half higher impact improved increased indicates Khoksa late layer lean season length limited locations lowest maintenance dredging means measured monsoon months natural needed occur off-take off-take area opened payable period possible PPW Final Report predictions present processing reach realised reduced remaining River Contractors PPW salinity scour second season sediment transport shoal shows slopes smaller stages start starting strategy stretch substantial survey suspended sediment Table Talbaria upstream usually volumes water levels