Project Description

SIRAPINAR
RAmparts 2200

LOA: 22.40 m
Beam moulded: 10.85 m
Draft extreme: 4.55 m
Fuel oil: 70 m3
Main Engine Power: 2×1,380 kW
Speed ahead: 11 knots
Bollard Pull ahead: 45 tons

RAmparts 2200

This specification describes a twin Z-drive, diesel powered tug designed for maximum efficiency in the performance of ship-handling duties for sea going ships. The hull form and layout have evolved over several years through the extensive experience of the designers at Robert Allan Ltd. working with tug owning Clients and their crews in developing truly high performance tugs for this challenging service.

The RAmparts 2200 named as “Sırapınar” is based on an intended low-manning operation with a high standard of machinery automation but the accommodations can be adjusted to match almost any reasonable requirement. The layout shown has been developed to match the most commonly acceptable manning standards. Optional layouts are available as either basic «day boat» or with full accommodation for a crew of up to five persons.

Sırapınar class ASD tugs meet the requirements of the under 24m rule. These models, all Robert Allan Limited designs, build on the phenomenal success of the builder’s 60 to 75 tons bollard pull Boğacay series of which 19 have now been constructed. Sırapınar is closest to the Boğaçay but with a 2m decrease in length and 0.4m in beam. This will ensure this smaller sister to provide same performance with less bollard pull by using Caterpillar engines coupled to Schottel Z-drives. Depending on the propulsion system size selected by the customer, the vessel will be able to give up to 60 tons bollard pull.

Robert Allan Ltd. have extensive experience in the custom design of high performance ASD tugs to match Clients’ specific operational requirements. Vessels to these designs have been widely acclaimed for their overall design and particularly their maneuvering, seakeeping and stability performance.

Technical Details

Length overall              22.40 m
Breadth moulded         10.85 m
Depth moulded             4.40 m
Draft extreme                4.55 m
Draft hull                     3.15 m

Fuel oil                            70 m3
Fresh water ballast          10.80 m3

Main Engines          Caterpillar 3512 C
Engine Power          2 x 1,380 kW @ 1600 rpm
Thrusters                Schottel SRP 1012 FP
Propeller Dia           2100 mm
Nozzles                   Mild Steel
Shafting                  Solid shafts (Optional carbon fiber)
Resilient Mount       Vulkan T60
Silencer                   -35 dba sound attenuation, spark arresting type

Bollard Pull (Ahead)          45 tons
Bollard Pull (Astern)          40 tons
Speed (Ahead)                  11.0 knots
Speed (Astern)                  10 knots

Make/model        2 x Caterpillar C4.4
Power                  86 ekW

Fore Winch
Type: DMT TW-E250kN
Frequency controlled electrical drive towing winch with tension and length indication, constant tension. Wire capacity 2×210 m of dia 40mm synthetics rope on seven layers on both drums.

Band brake holding load 150 tons.
Haul-in, 1st speed: 25 tons @ 0 – 9 m/min
Haul-in, 2nd speed: 8 tons @ 0 – 28 m/min

Tow Hook
– Data Hydraulic DTH 45-90P
– Pneumatic auto-release
– Located on capstan

Capstan
– Marine type hydraulic or electrical driven
– Maximum pull 5 tons

Deck Crane
Class certified crane, wire, pulley, hook with
overload protection
Marine grade hydraulic, knuckle-boom/folding boom type crane, Palfinger 11001
Capacity:
Maximum lift of 2 tons at 4 m Maximum reach 10 m with lift up to 0.8 tons

Tow Pins
Marine type hydraulic driven tow pin,
Capacity: 45 tons SWL

Main Engines Eng1 x Main fire pumps:
Driven through clutched flexible coupling on front of each main engine Capacity: 1200 m3/hour
1 x Monitors
FFS water monitors Manual operated

Heavy duty rubber fender system as follows:

–   Bow           – 800 OD x 400 ID cylindrical
–   Stem          – W type
–   Sides         – D type
–   Stern         – W type

Above deck captain cabin with washbasins. Mess, lounge and galley. Under deck, two double cabins, W.C. & shower. North European Standards in Comfort and Quality. Teak imitating IMO approved floor material.
All accommodation space is heated vented and air-conditioned.
Secondary AC unit in wheelhouse
Cold climate package
Hot climate package
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.
Unattended machinery space according to ABS ABCU notation. LED panels at mess room and chief engineer cabin. Extended operation of electrical system, essential pumps and engine room fans can be controlled from wheelhouse.
Radar, GPS, DGPS, Echo Sounder, Chart Plotter, Magnetic Compass, AIS Autopilot, Speed log, BNWAS, General Alarm, Intercom, SP telephone, Engine Telegraph, GMDSS A2
Hands free operation of VHF’s
Hands free operation of intercom
Remote operation of VHF from messroom , captain’s cabin GMDSS A3
Secondary Radar with overlay
ECDIS
CCTV
Aft monitor for radar
GMDSS A3
D/O separator
Wipers
Double Navigation Lights Remote operated searchlights Two speed E/R fans with silencers
Bilge Separator
Heated windows and Wipers Fresh water ultraviolet sanitizer Heated floors for wet spaces Solas Boat & Crane
Vacuum toilet
RINA, C Hull and Machinery, Unlimited Navigation, Tug, IWS

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RAmparts 2200

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