Iyo cutter suction dredger (CSD) Dubuque yakabva paVicksburg Harbour svondo rapfuura kune yakakosha dhizaini mishoni pedyo neRed River ichipindura mamiriro emvura yakaderera.
Kusanaya kwemvura muMisissippi River Valley yose kwakonzera chiitiko chemvura yakaderera paRwizi rweMisissippi nematunhu aro.Zvakanyanya, nzvimbo dzinonetsa dzakataurwa pedyo neLindy C. Boggs Lock neDam 1.
Iri paRed River pamaira 43.8 anenge mamaira gumi nerimwe kuchamhembe kweMarksville, Louisiana, ndiyo yekutanga kiyi nedhamu paRed River uye chikamu cheJ. Bennett Johnston (JBJ) Waterway system.
Iyo Dubuque yakaiswa kuti ichengetedze 9-ft yekufambisa chiteshi nekubvisa nzvimbo dzekuwedzera sediment ichangobva kubuda nekuda kwekudonha.
Dubuque anoshanda Charlie Hansford akati: "Indasitiri yekukwevera yave kumisa zvachose, saka tiri pano kucheka nzvimbo dzakakwirira kuti mabhaji akaremerwa arambe achipfuura."
Mamiriro makuru kuindasitiri yekufambisa ane zvirambidzo kurodha saizi uye ngarava dhizaini, kunonoka nekuda kwekuvharwa kwechinguva chiteshi panguva yekudhirowa mashandiro kana pasi, uye kurasikirwa kwekuwana kune mamwe madoko.
Iyo Dubuque, inozivikanwawo se "Ugly Betty" nevashandi vayo, imhando yekucheka dredge.
Yakashongedzerwa nechishandiso chekucheka chinotenderera chinosunungura uye kubvisa tsvina kubva mugero rekufambisa iro rinobva rasvetwa mupombi ye12 ”dhayamita yoburitswa munzvimbo yakadzika yechiteshi inofungidzirwa kuti yakakodzera nevashandi veongororo.
Vashandi vayo vane mutyairi, injiniya wedhiziri, deckhands, uye crane opareta uye inoperekedzwa nematende makuru maviri ezvikepe, Evie Kate naClinton.