Cutter suction dredger (CSD) Dubuque adachoka ku Vicksburg Harbor sabata yatha kukachita ntchito yovuta kwambiri yothamangitsa m'mphepete mwa Mtsinje wa Red potengera kutsika kwamadzi.
Chilala m'chigwa chonse cha Mississippi River Valley chachititsa kuti madzi azitsika pamtsinje wa Mississippi ndi mtsinje wake.Makamaka, madera ovuta adanenedwa pafupi ndi Lindy C. Boggs Lock ndi Dam 1.
Ili pa Mtsinje Wofiira pamtunda wa makilomita 43.8 pafupifupi makilomita 11 kumpoto kwa Marksville, Louisiana, ndi loko yoyamba ndi damu pa Red River ndi mbali ya J. Bennett Johnston (JBJ) Waterway system.
Dubuque idayikidwa kuti isungitse njira yoyendera ma 9-ft pochotsa madera omwe adachulukirachulukira omwe adatuluka posachedwa chifukwa cha kusokonekera.
Wogwira ntchito ku Dubuque Charlie Hansford adati: "Ntchito zokokera zatsala pang'ono kuyimitsidwa, ndiye tabwera kudzadula malo okwera kuti mabwato odzaza apitilize kudutsa."
Zomwe zimakhudzidwa kwambiri pamakampani oyenda panyanja zimakhala ndi zoletsa kuyika makulidwe ndi zotengera zotengera, kuchedwa chifukwa cha kutsekedwa kwakanthawi kwakanthawi panthawi yoboola kapena poyambira, komanso kutaya mwayi pamadoko ena.
The Dubuque, yomwe imadziwikanso kuti "Ugly Betty" ndi ogwira nawo ntchito, ndi mtundu wamtundu wa dredge.
Ili ndi chida chodulira chomwe chimamasula ndikutulutsa zinyalala kuchokera panjira yolowera zomwe kenako zimayamwa mupaipi ya mainchesi 12 ndi kuthamangitsidwa kudera lakuzama la tchanelo lomwe gulu likuwona kuti ndiloyenera.
Ogwira ntchito ake amakhala ndi opareshoni, injiniya wa dizilo, ma deckhands, ndi woyendetsa crane ndipo amatsagana ndi ma tender akulu akulu awiri, Evie Kate ndi Clinton.