Tender For corrigendum : supply of procurement of ballast water treatment system for grse ars project : :--100m3-h ballast watr trtmnt sys_acesoris , on board spare for bwts , tools for bwts , documentation for bwts , instl and comm spares for bwts , 1st submission of bd for bwts , preservation with consumbles for bwts , training for bwts , service engineer for bwts