Edda Flora (LAJW3)

Built: 2008
Builder: Karmsund Maritime AS
Flag: Norwegian/NIS

Main Dimensions

Length: 95,0 m
Breadth: 20,0 m
Draft: 8,0 m
Deadweight: 4696 t


Operator: Østensjø Rederi
Built: 2008
Builder: Karmsund Maritime AS
Delivered: July 2008
Yard no.: 29
Call sign: LAJW3
Flag: Norwegian/NIS
Port of Registry: Haugesund
IMO no.: 9386380
Classification: 1A1 Clean(Design) COMF(C-3, V-3) DEICE DK(+) DYNPOS(AUTR) E0 HELDK(S, H) Ice(C) NAUT(OSV(A)) SF, BATTERY
Safety regulations: NMA, World Wide, GMDSS A3, Solas 1974/1978, International Convention on Load lines, Pollution Prevention - MARPOL 1973/1978, INLS certificate
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 • RFO operations. It has also the following special features: • Skidding system for 30 tons modules on main deck. • LARS handling system for OBS-ROV and WORK- ROV. • One moonpool for MHS operations. • SCR catalytic reactors for reduced Nox emissions to air. • DE-ICE notation, with covered l mob boat, bow area and hangar area.


Length o.a.: 95,0 m
Length b.p.: 82,2 m
Breadth mld.: 20,0 m
Depth mld.: 9,8 m
Draft max.: 8,0 m
Air draft: 39,6 m over keel

Tonnage - Deadweight

Gross tonnage: 6074 GT
Net tonnage: 1822 T
Deadweight max: 4696 t

Deck loading capacities

Deck measurements: 40 m x 19 m
Outside deck area: 750 m2
Inside deck area (hangar): WROV hangar 73 m2. OBS ROV hangar 36 m2
Deck cargo capacity: 1900 t. 10 t/m2

Deck equipment

Anchor chain: 10 shackles PS and SB. Type: 52 mm Stud Link chain
Anchors: 2 x 4590 kg. Type: Spek Stockless
Anchor Windlass / Mooring Winch: 2 x 20 T
Mooring winch: 1 x 12 T
Deck cranes: 3 x 15 tm: 1.13 T at 15 m. 1 x 4 tm: 0.590 T at 7.7 m
Tugger winches: 1 x 20 T
Capstans: 2 x 10 T
Offshore crane: Single part: 50 T at 15 m. 15 T at 25 m. Double part: 100 T at 7,5 m. Wire lenght: 2000 m Active Heave Compensated to 100T. Aux winch (AHC): 10 T at 26 m. Wire length: 450 m Man riding SWL 5 T. Type: Hydramarine


General: Diesel electric propulsion plant. 2 x Voith Schneider, each 3800 kW. Type: VSP 36 R6EC/300-2
Main engines: 5 x Catepillar. Type: 3516 CTA. Each 2220 bkW, 1800 rpm. Total: 11100 kW
Generator set: 5 x AVK. Each 2100 kW, 690 V, 60 Hz. Total: 10500 kW
Horse power ration: 2 x 3800 kW (Voith ) + 2 x 1400 kW ( Bow thrusters) + 1 x 1400 kW ( Retractable Azimuth)
Fuel type: MDO / MGO

Auxiliaries / Electrical power

Generators: 5 x AVK. Each 2100 kW, 690 V, 60 Hz. Total: 10500 kW
Battery: 2 x 622 kWh
Harbour generator: 1 x Catepillar, 968 bkW, 1800 rpm. Type: 3508 BTA
Emergency generator: 1 x Catepillar, 189 bkW, 1800 rpm. Type: C9TA

Electrical systems and power management

General: Switchboards by WANO. LLC - Low Loss Concept by Wãrtsila/WÄS

Main propellers

Maker: 2 x Voith Schneider
Type: VSP 36 R6EC/300-2
Speed: Combinator mode: from 22 rpm to 68 rpm. Fixed mode: RPM 1 (46 rpm), RPM 2 (58 rpm), RPM 3 (68 rpm)
Diameter: 4,50 m diam.plate


Bow thrusters: 2 x Brunvoll Tunnel thrusters, each 1400 kW. Type: super silent, frequency driven pitch propeller. Alconza el. motors
Bow azimuth thruster: 1 x Brunvoll Retractable azimuth thruster and pitch propeller, 1400 kW. Alconza el. motor

Bridge / Manoeuvering

Bridge controls: Bosch Rexroth, Brunvoll
Loading / Discharging: Wartsila IAS

Dynamic positioning system

Type: Kongsberg K-Pos
Approval / Class: DNV DYNPOS-AUTR. IMO Class 2
Reference systems: 2 x HiPAP 502, Seapath M 300-70, DPS 200, CyScan IV, Radius Quad
Sensors: 3 x Gyro Simrad GC 80, 3 x Motion Reference Unit, 2 x Wind sensor
ERN number:

Liquid tank capacities

Marine Gas Oil: 1103,33 m3 According to tankplan
POT water: 1187 m3
Drill Water/Ballast: 2890 m3
Misc.tanks: 220 m3
Urea: 122 m3
Fresh water production unit: 2 x 25m3 pr/day

Liquid discharge

Fuel Oil pumps: 1 x 0-150 m3/h
Ballast pumps: 1 x 150 m3/h 1 x 0-150 m3/h
Discharge piping: 4" WECO Connections
FW high pressure pumps: 2 x 60 bar @ 75 m3/h
FW transfer pump: 1x0-150m3/h

Fire fighting equipment

Firemonitors: Salwico Cargo Addressable

Navigation equipment

Radar: 1 x Furuno FRC 2827 3 cm Chart radar ARPA. 1 x Furuno FAR 2837S 10 cm ARPA. 1 x Furuno FAR 2117BB 3 cm
Electronic Chart System: 2 x Telko TECDIS 4.7.1.xx
Compass: 3 x Simrad Gyro GC 80
Autopilot: 1 x Anchutz pilot star D
Echo Sounder: 1 x Furuno FE 700
DGPS: 1 x Furuno GP 150 & 1x Furuno GP 170
AIS: 1 x Furuno FA 150
Voyage data recorder: 1 x Furuno VR 3000
Sound direction finder: 1 x Vingtor VSS111
Log: 1 x Skipper EML 224 EM log
Helideck Monitoring System: 1 x Kongsberg Seatex HMS 100

Communication equipment

General: GMDSS installation in accordance with IMO regulations for vessels operating within Sea Area A3
GMDSS Radio MF/HF Transceivers & DSC: 1 x Furuno FS-1570
GMDSS VHF with DSC: 2 x Furuno FM-8800S
GMDSS VHF portable: 3 x Tron TR-20
VHF: 3 x Sailor RT 2048
GMDSS EPIRB: 1 x Tron 45 SX. 1 x Tron 40S Mk 2
GMDSS SART: 2 x Tron
GMDSS Inmarsat C: 2 x Furuno Felcom 15, 1 x LRIT
UHF: 14 x Portable Motorola GP 340. 3 x Fixed Motorola GM-360. 1 x Fixed Motorola in crane
Satellite system: 1 x Marlink V-sat. 1 x Iridium
Mobile Telephone: 3 x GSM system
Sat TV system: 1 x Seatel satellite antenna
Helicopter Communication: 2 x VHF fixed Icom HM-161. 4 x VHF Portable Icom IC-A3E


Total no. berths: 70 x Beds
Total no. of cabins: 59 x Cabins
Single cabins: 48 x Single cabins
Double cabins: 11 x Double cabins
Office: 7 x Offices
Hospital: 1 x Hospital
Ventilation/A-C for accommodation: High pressure single-pipe fully redundant ventilation system. Full heating/AC throughout the accommodation
Other: 2 x Operation Rooms, 2 x Conference Rooms, Fitness room, Wardrobe, Laundry, 3 x Lounges

Lifesaving / rescue

Approved lifesaving appliances for: LSA approved for 70 persons
Liferafts: 6 x 35 persons. Type: Viking
Rescue/MOB boat: Mare Safety, FRB 700 with 206 HP. TTS Marine Davit HL9DP
Fire-fighting/foam: Water/Foam pump/monitor covering helicopter deck

Module handling tower

General: 1 x 30 T , 2000 msw 4,5mtr.Hs. 1 x Effer crane 44 TM 2,9 T at 12,33 m


Helicopter deck: Helicopter deck designed for Sikorsky S-92 (12,8 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 and top hatch,and 1 x dropkeel for subsea equipment installation.
Offshore crane: Single part: 50 T at 15 m. 15 T at 25 m. Double part: 100 T at 7,5 m. Wire lenght: 2000 m Active Heave Compensated to 100T. Aux winch (AHC): 10 T at 26 m. Wire length: 450 m Man riding SWL 5 T. Tugger winch x 2 4t SWL Type: Hydramarine
ROV systems: Hangar with arrangements for installation of LARS and ROV on PS and SB. Module skidding system on deck
Large side gates in ship`s side: Hinged hydraulic operated side gate in hangar on PS and SB
Anti roll system: 2 x Passive roll reduction tanks. Active roll reduction with Voit Schneider propeller system
Anti heeling system: 1 x Anti heeling pump Framo 2000 m3/h. Automatic-/manual system
Deck power supply: 3 utility stations for power supply to deck.