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01.02.17 15:09
SDS08 marine diving vessel "Rybinsk" successfully fulfills assigned tasks

The information portal published a conversation with Sergey Leonidovich Vavilov, director of the Arkhangelsk branch of the FSBI "Marine Salvage Service of RosMorRechFlot".
In order to represent the state tasks carried out by the Maritime Rescue Service, Sergey Leonidovich gave examples of the successful operations of the SDS08 multi-functional marine diving vessel (SDV) "Rybinsk".
"The past two years vessels of the Arkhangelsk Branch carried out the oil spill duty readiness in the Ob Bay of the Kara Sea. They provided the transshipment of crude commercial oil to marine tankers in the vicinity of the Mys Kamenny settlement, as well as bunkering of vessels and transshipment of oil products for the needs of OJSC "Yamal LNG" in the Sabetta seaport.
So, in 2015, the Arkhangelsk branch performed a search, detection and identification of the sunken object in the Ob Bay at the request of LLC "Unicom SPb".
In September 2014 the "SKF Enisey" tanker loaded by oil suffered damage to the hull at collision with an unknown underwater obstacle during sailing through the Gulf of Ob. Fortunately no oil spill occurred. At the beginning of summer navigation, the search, detection and identification of sunken unidentified object was carried out by the SDS08 "Rybinsk" of the Arkhangelsk Branch; a group of divers with the necessary equipment was onboard.
On 11.07.2015 SDS08 MVS "Rybinsk" arrived to the estimated place of the collision and started searching. The object was detected by an echo sounder at a depth of about 10 meters, but far from the indicated location. Divers carried out several descents and performed underwater video recording. The object was found and identified; it turned out to be a loaded non-propelled barge "C 01-250" (No. 2560). After work completing all information was transferred to the customer, and the exact coordinates of the sunken barge were transmitted to the "Zapad" Coastal Warnings radio-navigation system in order to ensure safe navigation in the Gulf of Ob.
In June 2016 the basin exercise was carried out; it's aim was searching and rescue of people in distress at sea. Place of the exercise was the outer roads of the seaport of Arkhangelsk in thr region of the Mudyug island. As a rule, such big exercises take place once a year, but this one was also dedicated to the anti-terrorist exercises held in the Arkhangelsk. According to the legend of the exercises, the terrorists seized the vessel and took the crew hostages. According to legend, during the exercises several people were thrown overboard (not real people of course, but dummies). So, they had to be found and raised from water by using a helicopter. The special forces attacked the occupied vessel and released hostages. The SDS08 "Rybinsk" took part in the exercises from the Arkhangelsk branch; her was used as the coordinator at the scene,. The exercise was successful, goals and objectives achieved and fully completed".
SDS08 MDV "Rybinsk" was built at Yaroslavl Shipyard in 2010 due to order of FSUE "State Customer Management of Maritime Transport Development Programs" of the Federal Agency of Maritime and River Transport of the Russian Federation.
SDS08 prj. was designed by Marine Engineering Bureau.
SDS08 marine diving vessel has Ice 2 class, inclined stem and transom aft end, long forecastle, deckhouse located fore. Vessel also has engine room located aft, diesel main engines, two controllable-pitch propellers and bow thruster. Her principal dimensions are as follows:
Length overall is 38.35 m;
Length between perpendiculars is 36.35 m;
Breadth overall is about 7,92 m;
Breadth (due waterline) is 7.70 m;
Design draught is 2.35 m;
Full speed is 12 kn.;
Economical speed is 8 kn.;
Main engines capacity is 2 x 442 kW;
Autonomy is 5 days.
Russian Maritime Registry of Shipping class is KM Ice 2 R2 AUT3-C OMBO SDS>100.
Project considerably differs from existing similar vessels:
1. Diving equipment, mounted on vessel, allows carrying out diving and underwater works on depth till 100 m. There are no analogues of such equipment at existing vessels that are operated by State Maritime Salvage Department of RF.
2. Vessel can carry out fire extinguishing on other vessels and floating objects using two mechanical-foam stream nozzles.
3. Vessel is equipped by tug winch that allows carrying out tugging functions.
4. Vessel will provide oil spill response functions if boom and skimmer are placed onboard.
5. Vessel's characteristics and special equipment provide carrying out of diving salvage operations during sea state up to 3, and vessel can sail to the salvage place while waves' height is 7 m.
6. Two main high-speed engines with capacity of 442 kW each provide required vessel's running qualities, work to the variable-pitch propellers. Bow thruster with capacity of 120 kW is mounted for vessel's keeping at place of operational works.
7. Up-to-date remote-controlled underwater apparatus allow inspection of a sea-bottom, underwater part of ships' hull and rudder propellers of vessels, underwater part of waterside structures on depth till 100 m.
8. Equipment for underwater welding on depth till 25 m and underwater cutting on depth till 100 m is used for salvage operations, repair of underwater part of vessels, repair of hydraulic structures, carrying out of rescue operations. In addition, cargo lifting equipment allows lifting objects of weight till 2.0 t from depth till 100 m.
9. Vessel carries out water pumping from wrecking vessel's compartments and also pontoon air blow during participation in re-floating.
Diving equipment consists of:
• pressure chamber for 4 divers;
• diving half-cone with launching gauge;
• diving equipment with SUPERLITE helmet and DESCO ventilate helmet;
• diving equipment of universal "dry" type;
• divers' water-heater equipment;
• communication equipment;
• underwater illumination equipment;
• underwater television equipment;
• underwater welding/cutting equipment;
• hydraulic tools;
• pumping equipment;
• soil water-cut equipment;
• remote-controlled underwater apparatus;
• diving ladder.
Thereby, unique combination of equipment mounted on vessel, and also high-powered power plant allows carrying out almost any specialized works related to diving-technical works on depth till 100 m. In addition vessel can carry out fire extinguishing on other vessels using two mechanical-foam stream nozzles with capacity of 180 cub.m. per hour and carry out tug functions (ground-mooring-tug winch with force of 7 tons is mounted aft), pump water out from compartment of wrecking vessel, participate into oil spill operations. Such combination of functions is unique for vessel with length of 38 m only.
Keel of the lead SDS08 vessel "Stolniy Grad Yaroslavl" (building No. 201) was laid down on 28.08.2009. Vessel was launched on 12.08.2010 and accepted for operation on 25.10.2010.
Keel of the second vessel "Rostov Velikiy" (building No. 202) was laid down on 09.03.2010. She was launched on 21.04.2011 and accepted for operation on 30.05.2011.
Keel of the third vessel "Uglich" (building No. 203) was laid down on 16.03.2010. She was launched on 24.05.2011 and accepted for operation on 07.08.2011.
Keel of the fourth vessel "Rybinsk" (building No. 204) was laid down on 09.08.2011. She was launched on 19.06.2012 and accepted for operation on 15.08.2012.