References

Super Heavyweight Construction Vessel OSA GOLIATH

November 10, 2009

Ship characteristics:

  • Length o.a. : 180,0 mtr
  • Breadth mld : 32,0 mtr
  • Ice serv. Draft : min. 8,0 mtr max. 11,0 mtr
  • Accommodation : 330 persons
  • Installed power : 17.6 MW
  • Delivery : November 2009
  • Classification: ABS + A1 +(E)+ ICE-CO + AMS + DP3 Special Offshore

EMC scope of supply:

  • Total electrical design, engineering and installation
  • Supervision of electrical installation
  • 8 x Generator sets Caterpillar type 3516C (2200 kW)
  • 1 x Emergency Generator set Caterpillar type 3508B (910 kW)
  • 2 x Main Switchboards 3 x 690V – 60 Hz
  • 2 x Auxiliary Switchboard 2 x 440V – 60 Hz
  • 4 x MCC for engine rooms and pump rooms
  • 1 x Emergency switchboard 3 x 440V – 60 Hz
  • 2 x Main switchboard 3 x 230V – 60 Hz
  • 1 x Main switchboard 3 x 110V – 60Hz
  • 6 x 24 VDC System
  • 6 x UPS systems 230V-60Hz
  • 2 x Transformers 690V/695V (main switchboards)
  • 2 x Transformers 690V/440V (auxiliary switchboards)
  • 2 x Transformers 440V/230V (lighting switchboards)
  • 2 x Transformers 440V/230V (emergency lighting switchboards)
  • 2 x Starters and motors 1350kW for bow thrusters
  • 2 x Drives and motors 2.4 MW for Retractable thrusters
  • 3 x Drives and motors for 3.3 MW Main propulsion Azimuth thrusters
  • Integrated alarm/PMS/DP3/thruster control System about 2500 I/O
  • Fire detection
  • Bridge and Radio Outfit
  • Additional equipment and internal communication systems
  • Lighting installation
  • Electrical installation and equipment 230V
  • 2x DPS Differential Position System
  • 2x Light Weight Taut Wire System
  • 2x Kongsberg Maritime HiPAP 500 System

Engineering

Engineering included engineering of the complete electrical package. Special attention was paid to the DP class 3 requirement of redundancy for all important systems in order to prevent that one single failure could cause loss of position during DP operations. Another major item in engineering was the very high short circuit current levels of a 17.6MW electrical plant at 690V.

Supervision

Electrical installation was carried out under supervision of a team of EMC supervisors. Supervision is carried out in close co-operation with the yard’s team of electrical foremen.

More Info

Download Goliath The OSA Goliath is a new build diesel electric DP3 offshore vessel.

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