Edda Fauna (JWMZ3)

Builder:Aker Yards Brattvåg
Flag:Norwegian International

Main Dimensions

Length:108,7 m
Breadth:23,0 m
Draft:7,8 m
Deadweight:6200 t


Operator:Østensjø Rederi AS
Builder:Aker Yards Brattvåg
Delivered:January 2008
Yard no.:117
Call sign:JWMZ3
Flag:Norwegian International
Port of Registry:Haugesund
IMO no.:9368948
Classification:DNV+ 1A1, SF, E0, ICE-C, DYNPOS AUTR (ERN 99 99 99), CLEAN DESIGN DK(+), HL(2,8), LFL*, CLEAN, COMF-C(3)-V(3), NAUT OSV(A), HELDK-SH, DE-ICE, PMS, ISM
Safety regulations:NMA, World Wide, GMDSS A3, Solas 1974/1978, International Convention on Load Lines, Pollution Prevention - MARPOL 1973/1978
Outline of the vessel:The vessel is designed as a Inspection Maintenance & Repair Vessel. It is specially designed for operation in northern waters and high focus on excellent manouverability and station keeping capabilities.The vessel is built for the following main tasks: • ROT operations using module handling system • Inspection and ROV operations • Light construction works • Scale squeeze and pumping operations • RFO operations.It has also the following special features: • MHS operations in enclosed hangar areas. • Skidding system for 60 tons modules on main deck. • LARS handling system for OBS-ROV and WORK- ROV. • Three moonpools for MHS and ROV operations. • Fixed installed Scale Squeeze system onboard. • SCR catalytic reactors for reduced Nox emissions to air. • DE-ICE notation, with covered lifeboats, mob boats, bow area and hangar area


Length o.a.:108,7 m
Length b.p.:97,86 m
Breadth mld.:23,0 m
Depth mld.:9,6 m
Draft max.:7,8 m
Air draft:36 m

Tonnage - Deadweight

Gross tonnage:9464 GT
Net tonnage:2840 NT
Deadweight max:6200 t

Deck loading capacities

Deck cargo capasity:10 t/m2
Outside deck area:610 m2
Inside deck area (hangar):650 m2

Deck equipment

Anchor chain:11 shackles PS, 10 shackles SB
Anchors:2 x 5250 kg
Anchor Windlass / Mooring Winch:2. Type: ABW 7017
Mooring winch:2 x 10 T. Type: ABW
Deck cranes:4 x 1 T at 15 m. 2 x 1 T at 10 m. 1 x 3 T at 10 m
Capstans:2 x 10 T. Type: ABW
Offshore crane:Single part: 100 T at 15 m. 25 T at 35 m. Wire Max hook travel: 2000 m. Aux winch: 10 T at 37 m. Wire length: 1000 m. Type: Hydramarine, Active Heave Compensated Limitations: Wind 24 m/s and Hs 3,5 m


General:Diesel electric propulsion plant. 2 x 3500 kW Rolls Royce Azipull. Type: AZP120, CP frequency driven, Alconza el motors
Main engines:6 x Catepillar. Type: 3516 C. Each 2230 bkW, 1800 rpm. Total: 13380 bkW
Generator set:6 x AVK. Type: DSG86. Each 2000 ekW, 690 V, 60 Hz. Total: 12000 ekW
Horse power ration:Total: 12000 ekW
Fuel type:MDO / MGO

Auxiliaries / Electrical power

Generators:6 x AVK, each 2000 ekW, 690 V, 60 Hz. Total: 12000 ekW. Type: DSG86
Harbour generator:1 x Catepillar, 1138 kVA, 1800 rpm. Type: 3508 B AVK DSG 74 M1-4W
Emergency generator:1 x Catepillar, 189 bkW, 1800 rpm. Type: C9

Electrical systems and power management

General:Switchboards by Aker Yards Electro AS. LLC - Low Loss Concept by Wãrtsila / WÄS

Main propellers

Maker:2 x Rolls Royce Azipull
Type:AZP120 CP NBC 35TME
Speed:Estimated 200 rpm at MCR
Diameter:3200 mm


Bow thrusters:2 x Rolls Royce Tunnel thrusters, each 1500 kW. Type: TT2400, super silent, frequency driven, Alconza el. motors
Bow azimuth thruster:1 x Rolls Royce Retractable azimuth thruster, 1500 kW. Type: UL 2001 FP

Bridge / Manoeuvering

Bridge controls:Rolls Royce Manoeuvering system
Loading / Discharging:Wartsila IAS

Dynamic positioning system

Type:Kongsberg K-Pos
Approval / Class:DNV DYNPOS-AUTR. IMO Class 2
Reference systems:HiPAP 500, Seapath 200, DPS 200, SAAB, Fanbeam, RaDius
Sensors:3 x Anshütz Gyro, 3 x Motion Reference Unit, 2 x Wind sensor
ERN number:99,99,99,99

Liquid tank capacities

Marine Gas Oil:1670 m3
POT water:1252 m3
Drill Water/Ballast:2820 m3
Slop tanks:50 m3
Brine:483 m3
Methanol:305 m3
Special products LFL/LFL*:305 m3
Misc.tanks:250 m3
Urea:82,8 m3
Fresh water production unit:2 x 25 m3 - max 50 m3/day

Liquid discharge

Fuel Oil pumps:1 x 0-150 m3/h
Brine pumps:2 x 50-125 m3/h. 2 systems
Specal products pumps:4 x 10-75 m3/h. 2 systems
Ballast pumps:2 x 0-150 m3/h
Tank washing system:13 x in Brine, Slop and Special product tanks
Agitators:2 x in Special Product tanks. Hydraulic driven
Discharge piping:4”
FW booster pumps:2 x 0-75 m3/h
FW high pressure pumps:2 x 0-60 m3/h. 30-60 bar
FW transfer pump:1 x 50-150 m3/h
Scale squeese system:Scale Squeeze system integrated in the vessel: Total capacity 1100-1300 l/min, 690 bar. 3 x Scale Squeeze pumps, each 607 l/min, 690 bar. Hydr. driven. Hydr. powerpack, Scale Squeeze: Pumps x 12 440 l/min, 300 bar. 12 x 250 kW

Navigation equipment

Radar:2 x SAM Electronics Chart radar 1100 with ARPA. 1 x X-band and 1 x S-band
Electronic Chart System:3 x SAM Electronics Chart pilot 1100 ECDIS
Compass:3 x Anchutz Gyro SDT 72
Autopilot:1 x SAM Electronics Track pilot/conning 1100. 1 x Anchutz pilot star D
Echo Sounder:1 x SAM Electronics Debeg 4630
DGPS:2 x SAAB R4. 1 x SAM Electronics SATLOG 4100
AIS:1 x SAM Debeg 3400
Voyage data recorder:1 x SAM Electronics Debeg 4300
Sound direction finder:1 x Vingtor VSS111
Log:1 x Furuno DS 80
Helideck Monitoring System:1 x Kongsberg Seatex HMS 100

Communication equipment

General:GMDSS installation in accordance to IMO regulations for vessels operating within Sea Area A3
GMDSS Radio MF/HF Transceivers & DSC:1 x Sailor Thrane & Thrane HC4500B
GMDSS VHF with DSC:3 x Sailor Thrane & Thrane RT5022
GMDSS VHF portable:3 x Sailor SP 3300
GMDSS EPIRB:Tron 45 SX & Tron 60 S
GMDSS Inmarsat C:2 x Sailor TT 3606 E
UHF:14 x Motorola GP 340 (handheld) and 4 x Motorola GM 360
Sattelitte sytem:1 x GIS V-sat. 1 x Iridium
Mobile Telephone:2 x GSM system
Sat TV system:V-Sat, Telenor
Helicopter Communication:2 x VHF icon. 3 x VHF Portable Icom IC A6E


Total no. berths:90 x Beds
Total no. of cabins:65 x Cabins
Single cabins:38 x Single cabins
Double cabins:26 x Double cabins
Office:10 x Offices with a total of 300 m2
Hospital:1 x Hospital
Ventilation/A-C for accommodation:High pressure single-pipe fully redundant ventilation system. Full heating/AC throughout the accommodation
Other:3 x Operation rooms, Bridge 270 m2, Large Fitness room with sauna and solarium, Cinema/Gaming Room, 3 x Wardrobe, Laundry, Lounges (Smoke, Non Smoke, Library), Internet Cafe

Lifesaving / rescue

Approved lifesaving appliances for:LSA approved for 90 persons
Liferafts:6 x 35 persons
Rescue/MOB boat:Mare Safety, GPR 600 FRC with 212 HP. Hydramarine Davit HMD-A32
Life boats with davit:2 x 90 persons. Type: Eide Marine Service
Fire-fighting/foam:Water/Foam pump/monitor covering cargo deck area and helicopter deck

Module handling tower

General:Totally integrated tower inside hangar. AHC 60 tons, 2000 msw. Designed for safe operations in wave height Hs = 5 m. Module skiddingsystem integrated in maindeck complete with push/pull units and skidding pallets.


Helicopter deck:Helicopter deck designed for Sikorsky S-92 (9,3 T). Helideck designed and equipped in accordance with relevant authorities. Helicopter monitoring system
Helicopter Reception:1
Moonpools:1 x Moonpool 7,2 x 7,2 m with removable bottom hatch and top hatch. 2 x Work ROV moonpools 4,8 x 4,8 m
Offshore crane:Single part: 100 T at 15 m. 25 T at 35 m. Wire Max hook travel: 2000 m. Aux winch: 10 T at 36 m. Wire length: 1000 m. Type: Hydramarine, Active Heave Compensated
ROV systems:2 x Work ROV Moonpools with launching arragements. 1 x Hangar PS with arrangements for installation of LARS and ROV. Module skidding system on deck 60 T
Large side gates in ship`s side:Hinged hydraulic operated side gate in hangar on PS and SB. Hinged hydraulic operated side gate on main deck SB
Anti roll system:3 x Passive roll reduction tanks
Anti heeling system:1 x Anti heeling pump Framo RBP400-1, 2000 m3/h. Automatic-/manual system
Deck power supply:440V/ 100A, 160, 650A