owner: Hukumar Kula da Wutar lantarki ta Quebec, Canada
SIFFOFIN SHAWARA:
| Girman Hull - tsawon a ƙafa | 220 ' |
| Matsakaicin Digging | 90 ' |
| Girman bututun tsotsa - ID | 42 " |
| Fitowar Girman bututu - ID | 36 " |
| Dredge Pump Horsepower | 8000 |
| Powerwararrun Masu Ruwa | 1000 |
| Gabaɗaya an kunna | 10,000 |
BAYANIN BAYANAI: 
Kwamitin Hydro-Electric na Quebec ya fara yin shirye-shirye tun a shekarar 1925 don gina sabon mashigar ruwa, wanda zai iya daukar kusan dukkan kwararar bakin kogin na St. Lawrence, don haka samar da wutar lantarki ta dindindin kusan kilogram 1,600,000. Wannan rafin ya kasance yana da tsayin mil 15, tsayin ƙafa 3300 kuma zurfin ƙafa 27. Abubuwan da za a tono ya kasance mafi yawancin "yumɓun dutse" wanda yake nauyi ne, mai ɗauri, nau'in yumɓun ruwan teku ne wanda aka saka da duwatsu masu kankara. Jimlar ramin hakar ya wuce yadudduka cubic 250,000,000, ya fi girma fiye da adadin kayan da aka haƙa don duka hanyar ruwa na Panama.
Wannan sabon tsari ne gaba daya kuma “lokaci ya kasance cikin mahimman abu”. Daga sanya hannu kan kwantiragi a ranar 30 ga Maris, 1951, har zuwa lokacin da dredge ya fara aiki a tsakiyar Disambar 1952, lokacin da ya wuce ya kasance watanni 21 ne kawai, wata gagarumar nasara idan aka yi la’akari da girman dredge din (sama da 10,000 HP), mawuyacin tsarin, da kuma gini a Kanada.
Lokacin da Firayim Minista Duplessis na lardin Quebec ya jagoranci bikin, ya bayyana mana kyautar kamar haka:
Ellicott ya ce "Neman taimako don zayyana wani sabon yanki da ake hakowa -" HYDRO-QUEBEC "® Kamfanin Kamfanin Inji, wanda ya shahara a duniya dredges na lantarki gami da raka'a ga mashigar ruwa ta Panama da sauran wurare. Wannan kamfanin ya kuma samar da injunan hako mai da kuma aiki a matsayin injiniyoyi masu ba da shawara ga Kamfanin Beauharnois kan aikin gina rijiyoyin da kuma yadda ya dace a farfajiyar jirgin ruwan Masana'antu ta ruwa da ke Sorel. ”
wannan shi ne mafi iko a duniya an gina shi har zuwa wancan lokacin; babban motar yin amfani da ita shine 8,000 horsepower kuma mai yankan yana da iyakar karfin doki na 2,000. Ya kasance aiki ne mai wahala mai wahala sosai, amma an kammala aikin a 1959, akan jadawalin. Rahoton da aka buga a Magazine Ruwa na Fabrairu 1953 ya bayyana cewa, "duk da tsadar sa ta farko, wannan rami ya rage farashin tono lakar dutsen da 'yan dala miliyan. ”
KYAUTA NA BIYU:
Mafi girma kuma mafi yawan ƙarfi yankan tsoka irinsa wanda aka taɓa ginawa a waccan lokacin.
Gina fasahar fasahar kere-kere duk da matsalolin aiki lokaci guda a farfajiyar kasashen waje.