NORWAY
TECHNICAL PARTICULARS PACIFIC ENDEAVOUR
Length, oa…........................................91.5m Length, bp…........................................77.6m Maximum draught…...............................8m Ice draught…
...............max 7.7m; min 6.75m Depth...................................................10.0m Deadweight…...........................3700tonnes Gross tonnage….....................5005tonnes Net tonnage…..........................1392tonnes Speed…...........................................15knots; fuel consumption 46.4tonnes/day
Speed…...........................................12knots; fuel consumption 19.9tonnes/day
Classification….................DNV 1A1 ICE10 Icebreaker Standby Vessel OILREC DEICE E0 DYNPOSAUTR DAT (-35O
C) DK(+) HL(2.5)
TECHNICAL PARTICULARS VLADISLAV STRIZHOV
Length, oa….......................................99.3m Length, bp........................................84.39m Length at max load …....................94.63m Breadth.............................................19.00m Gross tonnage..........................5871tonnes Deadweight.................................2500dwt Depth mld..........................................10.50m Speed............................................10knots Bollard pull..................................170tonnes Classificaiton…..............................DNV and Russian Maritime Register of Shipping; 1A1 ICE-15 Icebreaker Tug Supply Vessel Standby Vessel(S) Fire Fighter I OILREC SF DEICE E0 DYNPOS-AUTS NAUT-OC CLEAN DAT(-40O
C) DK(+) HL(2.0) The hulls for these ships were built at
Aker Yards Tulcea, in Romania. The first of these vessels was delivered from Aker Yards Søviknes in April, July, and October 2006 respectively, and Pacific Enterprise began working at the offshore sites of Sakhalin 2 in the Sakhalin area, in December of the same year. The ships combine the requirements of a
platform supply vessel with the hullform and special manoeuvrability requirements of an icebreaker. The vessels primarily supply equipment and stores for offshore oil platforms in the Sea of Okhotsk all year round, and also work as standby vessels. They can break 1.5m- thick ice at a speed of 3knots to 5knots, and are equipped with anti-icing and de-icing systems. Good manoeuvrability is provided by two
Aquamaster propulsion units. In addition, the vessels are also equipped with a dynamic positioning (DP2) system, and an active heeling system which allows them to maintain position in DP mode at a speed of 2knots in level ice with a thickness of 1.5m. Pacific Endeavour, Pacific Endurance, and
Pacific Enterprise have a length overall of 91.5m, a length bp of 77.6m, a breadth of 19m, a draught of 8m, and a depth of 10.0m. The icebreakers have a maximum draught of 7.5m, a deadweight of 3700dwt, and a gross tonnage of 5005tonnes. Two azimuthing Ulstein Aquamaster
USARC 1.0 units designed to DNV ICE-15 class are fitted onto each ship. Each unit has
10
Havyard Leirvik built two Arctic supply vessels for CJSC Sevmorneftegaz, operator of Russia's Prirazlomnoye field development.
a power rating of 7000kW and is fitted with a FP stainless steel propeller with a diameter of 4.2m. The diesel-electric machinery consists of
four diesel generators supplied by RR Bergen Diesel, of type B32:40L9A/0-143rev/min, each rated at 4145kWe. Two 1355kW Kamewa Ulstein TT2200
tunnel thrusters forward are also installed on each vessel, and these have been designed to ICE-15 class, with CP propellers of stainless steel. The propeller has a diameter of 2.2m.
Arctic supply vessels delivered Havyard Leirvik is predominantly engaged in building offshore vessels, and vessels for use in Arctic waters is its niche market. The company has also established Havyard Arctic Technology AS for developing supply and research vessels for cold environments. This shipyard recently delivered a series
of two MOSS 828 MISV multipurpose icebreaking supply and stand-by vessels, Vladislav Strizhov and sistership Yury Topchev, for CJSC Sevmorneftegaz, Russia. Both vessels serve the Prirazlomnoye
offshore field in the eastern Barents Sea, and assist in construction installation work. They have ROV-diving support as well as standby and rescue capability. They are managed by Rosneft's FEMCO. Currently, Vladislav Strizhov is chartered for Sakhalin 1 operation. The vessels were jointly designed by Moss
Maritime AS and with yard and owner. The hull of the vessel was built by 61 Communars Shipyard, in Ukraine, while the deckhouse was built, outfitted, and installed by Havyard Leirvik. The vessels have a length overall of 99.3m, a
length bp of 84.39m, a breadth of 19.00m, and a maximum draught of 8.00m. The vessels were also specifically-designed to operate at a speed of 10knots in 80cm thick ice, and typical for the region, to be able to operate at -50°C. Machinery consists of two 6000kW
Wärtsilä 12V32 and two 4000kW 8L32 diesel engines, producing together about 20,000kW. This makes these vessels among the more powerful diesel-electric vessels operating in Arctic Russia. However, they are not the most powerful; three 26,480kW (36,000shp) Ermak class diesel-electric icebreakers for Russian operation were built in the mid- 1970s in Finland. ABB provided the ships’ electrical systems,
including generators, main switchboard, transformers, cycloconverters, and Azipod propulsion units. The main generators are of type AMG 0710L TO8. Propulsion is via a pair of ABB's Azipod V16 azimuthing electric drives, each rated at 7500kW. The vessels have two Brunvoll tunnel
thrusters - type FU80 LTA 2250 - forward, each with a power of 883kW. Wärstilä has also supplied the 1100kW harbour generator. Accommodation is provided in 21 single
cabins, and five cabins for four persons. Evacuation space was provided for 85 people, along with a hospital. Two KISS- 70041-person lifeboats were provided by Umoe Schat-Harding. There is also a Seabear 23MKII for 3 + 10 rescue boat. The vessels are fitted with anti-healing
systems and have two 2m moonpools with adjacent space for two 20ft diving containers and two 1tonne cranes. The towing winches, from Odim, have a capacity of 93tonnes at 4.8m/min, and 1000m of 77mm wire.
SHIP & BOAT INTERNATIONAL MAY/JUNE 2007
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