Edda Flora (LAJW3)

Builder:Karmsund Maritime AS

Main Dimensions

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


Operator:Østensjø Rederi
Builder:Karmsund Maritime AS
Delivered:July 2008
Yard no.:29
Call sign:LAJW3
Port of Registry:Haugesund
IMO no.:9386380
Classification:DNV, 1A1, SF, Comfort-C(3)-V(3), HELDK-SH, EO, DYNPOS AUTR (ERN 99/99/99/81), CLEAN DESIGN, NAUT OSV, ICE C, PMS, ISM, DE-ICE
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
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 500, 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:1140 m3
POT water:1187 m3
Drill Water/Ballast:2890 m3
Misc.tanks:220 m3
Urea:122 m3
Fresh water production unit:2 x 35m3 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:1 x 0-150 m3/h

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:2 x Furuno GP 150
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 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
Sattelite 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.