Project Description

Bigaçay RAstar 2900SX

RAstar 2900SX 80 Tons 90 Tons
LOA (m) 29.4 29.4
Beam moulded(m) 13.3 13.3
Draft extreme (m) 6.2 6.3
Fuel oil 174m3 169m3
Main Engine Power (kW) 2×2525 2×2700
Speed ahead (knots) 12.5 12.5
Bollard Pull ahead (tons) 80 90

RAstar 2900SX

The RAstar 2900SX is a variant of the well sought after RAstar Series of tugs designed by Robert Allan Ltd. These are designed exclusively for Sanmar the tugs are high performance but still compact tugs, with high bollard pull, designed to for efficient construction, while still meeting the clients need for customization.
The RAstar escort/offshore terminal tug designation is reserved for a distinctive class of very high-performance ASD tugs, designed with the unique sponsoned hull form developed exclusively by Robert Allan Ltd., which has been proven in both model and full-scale testing to provide significantly enhanced escort towing and seakeeping performance. Escort forces are enhanced by the effects of the sponsons as well as by the prominent foil-shaped escort skeg forward. Roll motions and accelerations are significantly less that that of comparable sized ··standard·· wall-sided tug hulls.
RAstar tugs will typically be high-powered, intended for demanding escort operations in exposed areas such as many LNG terminals where a high standard of seakeeping is required. RAstar series tugs are classified according to their approximate length, e.g. RAstar 2900 (29 metres lengthl), and a range of powers can be accommodated within each hull size according to the specific operational needs. Accordingly, there may be beam variations with the same length.

Technical Details

Dimensions 80 Tons 90 Tons
Length overall 29.40 m 29.40 m
Beam moulded 13.30 m 13.30 m
Depth moulded 5.5 m 5.5 m
Draft moulded 4.3 m 4.4 m
Draft Max 6.2 m 6.3 m
Tank Capacities 80 Tons 90 Tons
Fuel Oil 174.00 m3 169.00 m3
Potable Water 21.8 m3 21.8 m3
Sewage 15 m3  8.7 m3
Grey Water 8.7 m3 8.7 m3
Oily Water 6.6 m3 6.6 m3
Sludge 6.6 m3 6.6 m3
Foam 18.5 m3 9.2 m3
Dispersant 9.2 m3 9.2 m3
F.W. Ballast 51.4 m3 51.4 m3
Lub Oil 3.9 m3 3.9 m3
Main engines Caterpillar 3516C HD
engine Power 2 x 2525 kW@ 1800 rpm, IMO Tier II
Z-drives Rolls Royce (Konsberg) US255S FP, 2800 mm DIA
Shafting Vulkan Supply, Carbon Fiber
Resileint Mounts Vulkan, T60
Main engines MTU 16V4000M73L
engine Power 2 x 2700 kW@ 1850 rpm, IMO Tier II
Z-drives Schottel SRP560 CP, 3000 mm DIA
Shafting Vulkan Supply, Carbon Fiber
Resileint Mounts MTU, Standard
Bollard Pull (Ahead) Approx 90 Tons
Speed (Ahead) Approx 12.5 knots
Gen Sets 2 x Caterpillar C4.4
Power 99 ek W
Forward winch DMT Hydraulic Towing Winch
Capstan DATA DHC 5000 H40 with SWL 100T towing hook
Aft Winch DMT Hydraulic Towing Winch
Deck Crane PALFINGER 15500MA Marine grade hydraulic
knuckle-boom type
Anchor Windlasses DATA DZC 3300-2 HPI/P-20L
Forward winch IBERCISA Hydraulic Towing Winch
Capstan DATA DHC 5000 H40 with SWL 100T towing hook
Aft Winch IBERCISA Hydraulic Towing Winch
Deck Crane PALFINGER 18500MC Marine grade hydraulic
knuckle-boom/folding boom type
Anchor Windlasses DATA DZC 3300-2 HPI/P-20L
The vessel is equipped with GMDSS A1+A2 requirements
Lower Accommodation: tree double cabins with wc & shower, laundry and storage. Floors covered with IMO approved teak imitating covering. Very high level of quality, comfart and safety.
Deckhouse: two cabins [one far master, one far chief engineer) with wc & shower, galley and mess

M/E driven fi-fi pump (1) with monitors are outfitted to comply Fi-Fi 1 capability.

M/E driven fi-fi pumps (2) with monitors are outfitted to comply Fi-Fi 1 capability.

Heavy duty rubber tender system as fallows:
Bow Fender 900 mm OD x 550 mm ID cylindrical
Sides 300 mm D type
Stern 300 mm W type

Air conditioning system is provided to achieve comfortable conditions for crew at all environmental conditions with chiller type fan coils. Separate split type A/C units for wheelhouse with centralized air handling system.

Air conditioning system is provided to achieve comfortable conditions for crew at all environmental conditions with chiller type fan coils. Separate split type A/C units far wheelhouse.

Special care has been given to resilient mount all engines and essential equipment including hydraulic pipes. Sound levels are according to requirements of Flag Authorities
Fuel separator,
Liferafts,
CO2 Fire extinguishing system,
Conventional type fire detection system,
Pumps,
ABS, +A1, +AMS, +ABCU, Towing Vessel, Escort. Fire Fighting Vessel Class 1, QR, IHM, Unrestricted Service, UWILD

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