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HYDRAULIC DREDGER "ST.DEMESHEV"



A multi-scoop self-propelled barge-loading dredge ship with digging ladder located at bow part is destined for execution of bottom-deepening work at maritime hydraulic engineering construction for repair scoop.
The dredge ship is used for excavation of soils of I-IV groups.
Ambits of allotted work are determined by the RF Register for every navigation zone.
Navigating zone - open seas with moving off from the place of refuge up to 200 miles, with permissible distance between two places of refuge up to 400 miles, and also closed seas, sailing after an icebreaker and also self-dependent sailing in small particles of open pack ice in Baltic Sea, or other seas of similar ice conditions.
Staff number for work in 3 shifts is 42 persons.


Overall height of a vessel, m 15,5
Overall length of a vessel, m 73,6
Maximal width of a vessel, m 13,1
Depth ,m 5,2
Draft, m:
loaded 4,02
empty 3,39
Displacement, t:
loaded entirely 2440
empty 2090
Output, m3/h:
technical (for soils of I group) 1050
rated 750
Digging depth, m:
minimal 5,0
 maximal 18,0
with insert 24,0
Number of points of ladle frame suspension 2
Number of scoops in chain:
in chain 48/55
with insert 66
Struck capacity, l 750
Maximum breadth of mined opening, m 40
Main engine:
diesel 8NVD-48A-2
output power, HP 1320
number 2
General installed capacity of engines, HP 3003
Speed, knots 9,2