6000HP Fire Fighting Ship Class 1 (Type C)

Blt: 2022-10-24

Class: CCS

I. General Parameters

The vessel is an all-steel welded structure, featuring a single deck, local double bottom, and continuous flush deck. It has a plumb bow, transom stern, and a deckhouse located amidships. Propelled by an azimuth propulsion system, it possesses CCS "Fire Fighting Ship 1" capability and B-class Ice Strengthening. It is primarily used for port towing, pushing/berthing, and coastal towing operations. Stability meets requirements for ocean towing, port operations, and fire-fighting ship standards.

Length Overall: 38.5m (excluding fenders)

Design Waterline Length: 37.0m

Length Between Perpendiculars: 32.8m

Molded Breadth: 12.0m

Molded Depth: 6.0m

Design Draft: 4.3m

Frame Spacing: 0.6m

Camber: Main deck 200mm; other decks nil.

Gross Tonnage: 679

Net Tonnage: 203

Free Running Speed: ≥ 13 knots

Bollard Pull: Approx. 75t (Ahead)

Navigation Area: Coastal China

Berths: 12 persons

II. Hull Structure

The hull is transversely framed, utilizing CCS-approved new steel. Plate grade is CCS-B; section steel grade is CCS-A. Welding materials are CCS-approved.

Plating Thickness: Main deck 10mm; deck stringer 12mm; deck machinery areas thickened to 18mm. Bottom plating around azimuth thrusters 18mm; aft block shell plating 14-18mm; stem plate 14mm; ice belt 14mm. Bottom, bilge, and side shell in other areas 12mm; sheer strake 14mm.

Compartmentation: Five watertight transverse bulkheads under the main deck divide the vessel into: Forepeak/Sail Locker, Emergency Fire Pump Room/Chain Locker, Semi-sunken Crew Accommodation, Engine Room/Monitor Room/Store, and Thruster Room/Ballast Tank.

III. Accommodation Arrangement

The semi-sunken accommodation area comprises 4 single cabins, 4 officer cabins, 1 office, and 1 mess/lounge. Above the main deck, there are the Master's cabin, Chief Engineer's cabin, 2 single cabins, a galley, dining room, and toilets. The aft section houses a firefighter equipment room, storage, and towing gear store. The Bridge deck has 2 stores and a battery room. The Navigation deck houses the Wheelhouse. All cabins are equipped with standard furniture, sanitary ware, and living facilities.

IV. Tank Configuration

Ballast Tanks: 4 groups, total volume approx. 107.5m³.

Fresh Water Tanks: Total volume 79.9m³.

Fuel Oil Tanks: Total volume 104m³.

Lubricating Oil Tank: 3.7m³.

Bilge/Slop Tanks: Total volume 4.3m³.

Foam Tank: 9.0m³.

All tank volumes are calculated based on corresponding medium density.

V. Deck Machinery

Forward: 2 units of Combined Windlass/Winch (2-in-1) for anchoring and towing, braking force 140t each.

Aft: 1 unit of Towing Winch, dedicated for towing operations, braking force 140t.

Anchors: 2 x Spek anchors, 1290kg each.

Anchor Chain: 15 shackles, total length 412.5m, diameter Φ28mm, Grade AM2 stud link chain.

Bollards: 1 x Combined bitt (Φ350) forward; 6 x Double bitts (Φ325) forward.

Bollards: 1 x Combined bitt (Φ350) aft; 6 x Double bitts (Φ325) aft.

Stern Roller: 1 unit installed at the stern transom.

Fenders: 2 rows of cylindrical rubber fenders at the bow; various cylindrical rubber fenders at the stern and sides. Steel half-round fenders installed in areas without rubber fenders.

Protection: Loader tires and aircraft tires installed at the bow and sides, secured with high-strength chains, lifting straps, and shackles.

VI. Fire Fighting & Life Saving Appliances

Life Saving: 2 x 15-person inflatable life rafts (with hydrostatic release units); 8 lifebuoys (4 with self-igniting lights and smoke signals, 4 with lifelines); 18 lifejackets with lights; 14 immersion suits; 12 rocket parachute flares.

Fire Fighting: 1 set of external fire pump (driven by P.T.O. of Port Main Engine); 2 fire monitors; 2 electric fire/bilge Pumps; 1 emergency fire pump; 5 dual-purpose spray nozzles; 5 fire hydrants; 18 portable fire extinguishers; 1 x 45L wheeled foam extinguisher; 5 sets of firefighter outfits; 1 air compressor for breathing apparatus. Includes foam tank and foam extinguishing system.

VII. Engine Room Equipment

Main Engines: 2 units of Weichai 8WH25LC3000-9 diesel engines. Inline 4-stroke, direct injection, turbocharged, intercooled. Continuous power 2207kW each at 900r/min.

Propulsion: 2 sets of NRP300 Azimuth Thrusters. Port thruster rotates counter-clockwise; Starboard thruster rotates clockwise.

Generator Sets: 2 units, Model CCFJ-150-J, 150kW each, AC400V/50Hz.

Harbor Generator: 1 unit, Model CCFJ-24J.

Auxiliaries: Oily water separator, sewage treatment plant, electric air compressor set, combined pressure water tank, electric heated water tank, various transfer pumps, and axial fans for engine/thruster rooms. Main and auxiliary exhaust pipes equipped with expansion joints and dry-type spark arrestors/silencers.

VIII. Electrical System

Power Supply: AC 3-phase 3-wire and DC 2-wire systems.

Switchboard: 1 Main Switchboard (4 panels) with paralleling and preferential tripping functions.

Batteries: Emergency battery bank, GMDSS backup battery bank, black-out start battery bank, generator start battery banks, and corresponding charging/discharging panels.

Transformers: 2 x 50kVA lighting transformers (mutual standby).

Motor Starting: Direct-on-line for motors<7.5kW; Star-Delta for motors ≥7.5kW.

Systems: Complete navigation signal lights, navigation equipment, radar, GPS, echo sounder, ECDIS, internal communication, PA system, fire alarm, engine room monitoring alarm, and domestic electrical equipment.



Front View of the ASD Tugbaot : 

FAQs