VESSEL REVIEW | Stovr – Russian survey specialist acquires new shallow-draught workboat

VESSEL REVIEW | Stovr – Russian survey specialist acquires new shallow-draught workboat

Photo: Rosmorrechflot

Russian shipyard Nefteflot, through its Samara Shipbuilding and Ship Repair Plant division, has delivered a new shallow-draught workboat to local inland waterway transport agency Rechvodput.

Stovr is the sixth to be completed under the eight-strong Project RDB 66.62 series of vessels that are designed for performing surveys of both inland and port waters. The newbuild has a length of 24.31 metres, a beam of 5.76 metres, a draught of only 0.93 metre, a depth of 2.2 metres, a gross tonnage of 130, space for a small tender, and accommodations for seven crew and survey technicians.

The number of survey technicians is less compared to similar vessels as the survey equipment on each Project RDB 66.62 workboat is fully automated. A Kongsberg Maritime EM2040 multi-beam echosounder coupled with Qinsy hydrographic data processing software can help the operators generate a 3D map of the seabed as well as the recommended volume of sediment to be extracted during dredging to ensure that waterways are safe for navigation.

Propulsive power is provided by a 295kW main engine, which delivers a speed of 9.7 knots. The engine is efficient enough that sailing at economical cruising speeds will enable the vessel to operate for up to four days. A 15kW bow thruster provides additional lateral manoeuvrability while two 50kW diesel generators supply power for the onboard systems.

Design work on Stovr was provided by local engineering firm Stapel in compliance to Russian Maritime Register of Shipping and Russian River Register ice 20 rules.

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Type of vessel: Survey vessel
Classification: Russian Maritime Register of Shipping; Russian River Register
Flag: Russia
Owner: Rechvodput, Russia
Designer: Stapel, Russia
Builder: Nefteflot, Russia
Length overall: 24.31 metres
Beam: 5.76 metres
Draught: 0.93 metre
Depth: 2.2 metres
Main engine: 295 kW
Generators: 2 x 50 kW
Side thruster: 15 kW
Maximum speed: 9.7 knots
Type of fuel: Diesel
Crew: 7

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