1. INTRODUCTION The vessel is non-propelled shallow water pipelay barge. Pipe laying water depths will be up to 300 m. the firing line be provided starboard on main deck. The pipe crane be provided for pipe transfer and store. The 2000T/3000T slewing crane will be installed on aft deck. Deck house will be on the forecastle deck. The barge has fully air-conditioned accommodation for up to 310 people in cabins all with individual bathroom facilities. There are conference room, offices, gymnasium and recreation rooms. Separate well equipped laundry facilities are available for use. The barge has a well equipped medic room with hospital. The barge will be designed for worldwide unrestricted service with exclusion of Arctic waters. Primary operational area will be all shallow water area less than 300m.
2 CLASSIFICATION / REGISTRATION 2.1 CLASS The barge, which including the hull, engine, electrical and special equipments, shall satisfy the latest requirements of the current international convention, regulations and ABS rules and regulations, and enter into the classification, obtaining the following class notation: A1 CRC DERRICK / PIPELAY BARGE
2.2 RULES AND REGULATIONS The latest revision of the rules, regulations and certificates of the classifying and governing authortities shall be applied. Following international convention and regulations will be complied： 1. ABS Rules for Classification and Building of Steel Barges. 2. International Convention on tonnage Measurements 1967/1969. 3. International Convention of the Prevention of Collisions at Sea 1972, including amendments. 4. International Convention for the Safety of Life at Sea, Consolidated Edition 2004 including all amendments in force. 5. International Convention for the Prevention of Pollution from Ships, 1973, Protocol of 1978 Relating and Amendments of 1992 (MARPOL)73/78 6. IMO code on noise levels on board ships, A 468 – X11 7. International Convention on Load Lines, 1966 8. International Telecommunication and Radio Regulator of 1973/1976 and 1982 including latest GMDSS-rules for radio communication. 9. International Electronical Commission, electrical Installation in Ship 10. ILO Convention for Crew Accommodation on Board Ships 11. ILO Convention regarding Safety of Working on Board Ships
2.3 REGISTERED Hongkong
2.4 CERTIFICATES The following certificates will be available: 1. Classification Certificate for Hull 2. International Oil Pollution Prevention Certificate 3. International Tonnage Certificate 4. International Load Line Certificate 5. Ship Safety Radio Certificate 6. Ship Safety Equipment Certificate 7. Lifting Appliances Certificate 8. Live Saving Equipment Certificate 9. Seaworthiness Certificate 10. Crew Accommondation Certificate
3 GENERAL SPECIFICATION 3.1 Design Conditions 3.1.1 Operating Modes The Ship shall be designed for the following operations: • Pipe laying operations with a single joint S-lay system • Heavy lifting operations.
3.1.2 Environmental Conditions Pipelaying Conditions The vessel will be able to continue operations in the following environmental conditions: • Wind speed: Vw = 16 [m/s] • Significant wave height: Hs = 2.5 [m] • Wave period (peak): Tp = 6.0 – 12.0 [s] • Current speed: Vc = 1.5 [kn] • Spectrum type: Jonswap • Heading: 0°-360°
3.1.3 Design Temperatures and Humidity The following design temperatures are considered for the design: Maximum ambient air temperature: +45 ºC @ 90% relative humidity Minimum ambient air temperature: -15 ºC Max. seawater temperature : +32 ºC Min. seawater temperature : -2 ºC Maximum internal temperature in all s paces: 25 ºC (except the engine rooms)
The accommodation HVAC system shall be designed according the following: Summer condition: • Ambient 40ºC@ 70% RH • Maintained 25ºC ±1@ 50% RH Winter condition: • Ambient -20ºC @ 30% RH • Maintained 20±1ºC @ 30-40% RH Fresh air supply should not be less than 28.8m3/h.
3.2 PRINCIPAL DIMENSIONS Length overall (LOA) excl. stinger 169.00 m Breadth (moulded) 46.00 m Depth moulded to main deck 13.50 m Operational draught 7.00-9.00 m Max displacement 63,594 t (approx.) Ballast capacity 35,000 m³ Fuel oil capacity 4,000 m³ Potable water capacity 3,000 m³ Accommodation cabin 310 beds
3.3 GENERAL DESCRIPTION
The vessel will be a steel, all welded barge with a helicopter platform will be situated at forecastle deck. One (1) full revolving crane to be installed in the after area of deck. Summary of arrangement of decks is as following:
3.3.1 Under Double Bottom Double bottom will be constructed between the two longitudinal bulkheads. There will be some ballast tank, fuel oil tank, lubricate oil tank, sewage and dirty oil tank etc, in the double bottom, and pipe tunnel will be at the each side of it.
3.3.2 On Double Bottom There will be engine room, pump room, ballast water tank, fuel oil tank etc.
3.3.3 Middle Deck Fore and aft side tank will be arranged as mooring position winch room. Middle side tank will be as ballast water tank, ECR, CO2 room, store room, refrigerant, air-condition, refrigerator etc.
3.3.4 Main Deck Main deck is a continuous deck. The 2000T/3000T slewing crane will be situated on the aft deck. The pipelaying work room will be on the starboard deck from aft end to fore. Port side of the forecastle will be accommodation area. There will be hospital, change room, shower room, laundry, drying room etc.
3.3.5 A Deck A deck will be in the forecastle as accommodation quarters. There will be galley, air-condition room will also be in this area.
3.3.6 B Deck There will be twenty- eight (28) 4P cabins,air-condition room, lavatory, laundry, drying room on the B deck.
3.3.7 C Deck There will be twenty- one (21) 4P cabins, thirteen (13) 2P cabins, air-condition room, lavatory, laundry, drying room on the C deck.
3.3.8 D Deck There will be thirty-four (34) 2P cabins,air-condition room, lavatory, laundry, drying room on the D deck.
3.3.9 E Deck There will be four (4) 2P cabins, twlve (12) 1P cabin, meeting room, and lavatory, laundry on the E deck.
3.3.10 F Deck A central control room will be on the F deck. In the control room there will be navigation console, mooring position console, ballast water console.
3.3.11 Helicopter Deck The helicopter platform will be at the fore end of the barge. It is suitable for SIKORSKY S-61N to take off and landing. Communication and navigation equipment, leading light, skid-proof grid, draining system will be fitted on the platform.
4 OUTFITTING PART 4.1 Navigation Anchor Two sets of navigation anchor equipments to be arranged on the B-deck. An anchor, anchor chain cable, chain stopper, hawse pipe, chain pipe and windlass to be included in every set.
4.1.1 Anchor Weight： 12900 kg; 4.1.2 The Combined Windlass The vessel will be equipped with two windlasses with type of combined windlass. Each windlass contains one declutchable cable lifter, declutchable mooring drum and warping end,
4.2 Mooring equipment 4.2.1 The Mooring Winch The vessel is equipped with two double drum hydraulic mooring winches, arranged on the main deck of stern.
4.2.2 Hydraulic Multifuction Winch The vessel is equipped with five hydraulic multifunction winches totally. Two of the winches are arranged on the middle of main deck and one above the firing line of stern.
4.3 Positioning System A twelve point positioning system be installed. The twelve point positioning system consist of: Twelve single drum winches (1100kN rating force each)(Maker: ZPMC) 2500 m φ76 mm wires Twelve (12) 12T anchors
4.4 Lifesaving Equipment 4.4.1 Lifesaving Boat Enough lifesaving boats and rafts will be arranged on each side of B deck.Which satisfy the SOLAS requirements.
5 PROPULSION, GENERATORS / AUX. EQUIPMENT 5.1 Electrical installation General requirements The electrical equipment is suitable for a humid, salt laden atmosphere and proof against vibrations and accelerations normal to a marine environment. The following electric systems are installed on board: 440 V, 60 Hz, 3 ph. For vessel’s auxiliaries, pipelay system, cranes and winches 220 V, 60 Hz, for lighting an small consumers 24 V, DC for alarm, main diesel control,engine room alarms
5.2 Generators Main generators(Maker: HYUNDAI) The four generators are of the brushless type, totally enclosed construction, suitable for parallel operation. Main data: Type: HYUNDAI Diesel Engine 8H25/33, Generator HFC714-84K Rated voltage : 450 V, 60 Hz, 3 phase Rated power : 2256KW each Emergency generator(Maker: Caterpillar) The emergency generator is of the brushless type, air cooled. Main data: Type：Caterpillar 3406 DITA Nominal voltage : 450 V , 60 Hz, 3 phase Rated power : 315 KW
5.3 Auxiliary equipment The following auxiliary equipment is installed: Sewage treatment unit Incinerator Watermakers Sprinkler system Starting air compressors Barge air compressors MDO separator / purifier Bilge water separator Refrigeration plant HVAC plant Compactor Workshop equipment Pumps Fan Fifi pump Boiler
6 Electrical Equipment 6.1 General Principle (1) The main electrical equipment will be to comply with the marine environmental conditions and to have ABS certificate. (2) The marine cables temperature class will be to permitted in 85℃.The power cables conductor cross-section of less than 1.5mm2 and the lighting and control cables conductor cross-section of less than 1mm2 are not to be used.
6.3 Lighting and Illumination The lighting lamp and control device will be to install according as the requirement of various places.
6.4 Inner Communication and Alarm The following equipment is installed: The command telephone, daily service telephone, public address system, radio / TV antenna and satellite communication / TV device, engineers call system, refrigerating chamber call system sick bay call system CCTV local area network. fire alarm, general alarm, watertight alarm, CO2 releasing alarm system engine room monitoring system
6.5 Navigation and Communication Apparatus 1) Sounding apparatus 2 units 2) Radar 2 units 3) DGPS 2 units 4) Gyrocompass 1 unit 5) Speed log 1 unit 6) Weather map facsimile receiver 1 unit 7) AIS (Automatic Identification System) 1 unit 8) Rain-water cleaner and wiper 6 units 9) Fog diaphone 1 unit 11) Navigation data recorder 1 unit 12) GMDSS 1unit 13) NAVTEX 1 unit 14) Satellite communication F station 1 unit 15) Ultra short wave radio station for helicopter 1 unit 16) Aviation wireless radio-phare set 1 unit 17) Two-way VHF for life boat 3 units 18) EPIRB 1 unit 19) SART 2 units
7 . PIPELAY SYSTEM Concept Starboard mounted single joint S-lay system Capacity 4” – 48” diameter pipe Maximum external diameter 60 inch Pipelaying speed 3km/day Conveyor system & powered transverse conveyors with elevating and non elevating capabilities are provided.
Firing Line 5 welding stations (Maker: Serimax) 1 NDE station(Maker:Rd-tech or GE) 1 repair station 1 coating station(Maker: Selmer or Hennecke) All stations sheltered
Control Room Tension machines are remotely controlled from the working bridge. Local controls provided in the pipe tunnelalong the firing line.
Tensioner (Maker: Remacut) 2 tensioners, 100 T each
A&R Winch(Maker: Remacut) A&R winch, 1200 m, φ88 mm wire, 200T minimum tension Davits Five (5) mounted with load cells at starboard stored on board ,1×50t&4×30 t
Stinger (fixed) Line-up tools and pipe facing/beveling machines are not included.
8 CRANE (Maker: ZPMC) 8.1 General Description The crane described in these plans and specifications will be a total revolving heavy lift floating crane for installation on a crane ship, the vessel will be used for offshore construction in world-wide service. 8.2 Main Parameter (1) Main hook Main hook load: 3000t x 30m(stationary over stern) Max height (30m radius) 80m 2000t x 35m (revolving) Speed with full load: 1.5 m/min Speed with empty load: 3.0 m/min (2) Auxiliary 1# hook Auxiliary 1# hook load: 600t, Height above main deck(min radius) 80m Depth under water 150m Speed with load: 0-10.0 m/min (3) Luffing The time from boom horizontal to min radius 15min (4) Revolving Max. Main hook load: 2000t Speed with load: 8 min / r Speed with empty load: 4 min / r (5) Whip （2 sets） Hook load: 50t Speed with load or without load: 60 m/min
3000T Derrick Pipelay Barge Introduction
3000T derrick pipelay barge video (Double click to view full screen.)
