Vessel typeAnchor Handling Tug Supply
Built byNiigata Shipbuilding & Repair, Japan
Owned byALP Maritime Services
Designed byUlstein Design & Solutions AS
Ordered byALP Maritime Services
- 88.9 m
- 21 m
- Dead weight:
- 4250 tonnes
- Draught (max):
- 8.5 m
- Speed (max):
- 19 kn
- 35 POB
- Deck area:
- 550 sqm
Note: Subject to selected variant configuration
- Bollard pull:
- 312.4 t
- Ballast water:
- 2900 cbm
- Fresh water:
- 300 cbm
- 340 cbm
- 3200 cbm
- Deck cargo:
- 2,400 t (10t/m2 Max)
- DNV +1A1, Offshore Service Vessel+, Anchorhandling, Towing, E0, SF, Iceclass 1B, FiFi II, TMON, BIS, DYNPOS-AUTR, Naut-OSV(A), Clean Design, COMF-V(3), BWM-T, Recyclable
The DPII Anchor Handling Salvage Tug was delivered on 12 September 2016 to ALP Maritime Services. ALP Striker achieved an impressive bollard pull result of 309.6t at her sea trials. The vessel was shortlisted for the 'Support Vessel of the Year' Award for the OSJ conference in 2017.
The vessels of the SX157 design were developed in close collaboration with ALP. The vessels are outfitted with DP2 and anchor handling capacity in order to assist during the installation/hook-up phase for the towed objects.
The ALP Future Class family of vessels have a fuel capacity of 3400 m3 of IFO/MGO – sufficient for non-stop Trans-Atlantic/Indian, Pacific Ocean towing operations without fuel calls. These long distance towing vessels have bollard pull of 300+ tonnes, a service speed of 13 knots and a top speed of over 19 knots. Additionally, the vessels are equipped with dynamic positioning capability (DP II) allowing ultra-long distance towing, offshore installation and decommissioning of large floating production, storage and offloading (FPSO) units, floating liquefied natural gas (FLNG) units and floating drill rigs at the highest safety levels.
The ALP Future vessels measure approximately 88.9 metres long, weigh 4250 deadweight tonnes and reach maximum speeds of over 19 knots.
At the time of the contract signing, this was a new market to Ulstein, and the largest single contract so far to Ulstein Design & Solutions AS. Ulstein, in addition to providing the design, is also responsible for the deliveries of main components, such as engines, thrusters and propellers, winch, power distribution and thruster drives, control system and communication system.
When developing the design, Ulstein had to ensure that each vessel has the sufficient bollard pull and operational reliability to handle even the heaviest tows by only two vessels. Environment and fuel efficiency have also been important criteria. The vessels are classed with DNV’s Clean Design and Ice Class 1B notations, which allow operation also in restricted zones. Additionally, they are equipped as anchor handling vessels including stern roller, a three-drummed winch with 400t hoisting capacity, and with chain lockers for rig chain. The ships have a comfortable and spacious accommodation reflecting long periods at sea.
March 2020: A contract with Premier Oil brought the tug to the North Sea and this presented a good opportunity to renew her Bollard Pull certificate in Norway. In the new pollard pull test in Flekkefjord (Norway), the ALP Striker achieved a bollard pull result of 312.4t.
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