Edda Savanah (LASC8)

Built: 2021
Builder: QWHI
Flag: Norwegian/NIS

Main Dimensions

Length: 97,149 m
Breadth: 22,031 m
Draft: 7,20 m
Deadweight: 5331 T


Operator: Østensjø Rederi
Built: 2021
Builder: QWHI
Delivered: August 2021
Yard no.: 29
Call sign: LASC8
Flag: Norwegian/NIS
Port of Registry: Haugesund
IMO no.: 9777307
Classification: 1A1 Offshore service vessel(+) BIS BWM(T) Clean(Design, Tier III) COMF(C-3, V-3) DK(+) DYNPOS(AUTR, E) E0 ECA(SOx-A) Ice(C) NAUT(OSV(A)) Recyclable SF SPS
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.: 97,149 m
Length b.p.: 88,185 m
Breadth mld.: 22,031 m
Depth mld.: 9,2 m
Draft max.: 7,20 m
Air draft: xx m over keel

Tonnage - Deadweight

Gross tonnage: 7388 GT
Net tonnage: 2217 T
Deadweight max: 5331 T

Deck loading capacities

Deck measurements: 40 m x 19 m
Outside deck area: 1000 m2
Inside deck area (hangar): WROV hangar 73 m2. OBS ROV hangar 36 m2
Deck cargo capacity: 2400 t VCG 1 m above deck t. 10 t/m2

Deck equipment

Anchor chain: 12 shackles SB and 11 shackles P . Type: 52 mm Stud Link chain
Anchors: 2 x 5610 kg. Type: Spek
Anchor Windlass / Mooring Winch: 2 x 13,5 T
Mooring winch: 1 x 12 T
Deck cranes: Provision crane 2t x 18m
Tugger winches: 2 x 15 T
Capstans: 2 x 12 T
Offshore crane: MacGregor Offshore crane main wire SWL 150 t at 15 m, 30 ton at 35 m, 10 ton at 36 m.


General: Diesel electric propulsion plant. 2 x , SCHOTTEL Azimuth each 3000 kW. Type: SRP 3030 FP
Main engines: 4 x HIMSEN. Type: 6H32/40. Each 2880 Kw, 720 rpm
Generator set: 4 x
Horse power ration: 2 x 3000 kW (Main Azimuth aft ) + 1 x 1400 Kw ( aft tunnel thruster) + 2 x 2050 kW ( Bow tunnel thrusters) + 1 x 1000 kW ( Retractable Azimuth)
Fuel type: MDO / MGO

Auxiliaries / Electrical power

Generators: 4 x Siemens. Each 2688 kW, 690 V, 60 Hz. Total: 10752 kW
Battery: 2 x 622 kWh
Harbour generator: 1 x Catepillar , 675 bkW, 1800 rpm. Type: C32
Emergency generator: 1 x Catepillar , 675 bkW, 1800 rpm. Type: C32

Electrical systems and power management

General: Siemens Blue Drive

Main propellers

Maker: Schottel
Type: SCHOTTEL Azimuth each 3000 kW. Type: SRP 3030 FP
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 Schottel STT 007 FP' (2050) kW
Bow azimuth thruster: 1x 'Schottel SRP 1012 FP' Retractable Bow Azimuth Thruster (1000kW
Stern thruster: Schottel STT 004 FP’ (1200kW) stern tunnel thruster

Bridge / Manoeuvering

Bridge controls: K-Thrust Kongsberg
Loading / Discharging: K-Chief Kongsberg

Dynamic positioning system

Type: Kongsberg K-Pos 22
Approval / Class: DNV DYNPOS-AUTR.DYNPOS E. IMO Class 2
Reference systems: HiPAP 501, SONARDYNE Ranger 2 USBL, 1 X SpotTrack, RADius 1000Q, 2 x DGPS
Sensors: 4X Gyro Compass, 4 x wind sensors,4 x MRU
ERN number:

Liquid tank capacities

Marine Gas Oil: 1263 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: 1 x 0-150 m3/h

Navigation equipment

Radar: 2 x K-Bridge radar
Electronic Chart System: 2 x K-Bridge ECDIS
Compass: 3 x Navigat MK1 , 1 x Raytheon FOG
Autopilot: 1 x Kongsberg integrated autopilot
Echo Sounder: 1 x Skipper Gds 102
DGPS: 2 x Sailor 6004
AIS: 1 x Jutron AIS display unit
Voyage data recorder: 1 x Kongsberg
Sound direction finder: 1 x Vingtor
Log: 1 x Skipper DL 850
Helideck Monitoring System: 1 x ShoreConnection HMS 900

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 Sailor 6301 MF/HF
GMDSS VHF with DSC: 2 x Sailor 6222
GMDSS VHF portable: 3 x Sailor SP3520
VHF: 2 x Sailor 6210
GMDSS EPIRB: 1 x Tron 60S Freefloat. 1 x Tron 60S Manual
GMDSS SART: 3 x Tron sart 20
GMDSS Inmarsat C: 2 x Sailor 6006
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: 1 x Jotron tr-810 fixed. 4 x entel 112G ex


Total no. berths: 100 x Beds
Total no. of cabins: 61 x Cabins
Single cabins: 26 x Single cabins
Double cabins: 33 x Double cabins
Quadruple cabins: 2 x Quadruple cabins
Office: 8 x Offices
Hospital: 1 x Hospital
Ventilation/A-C for accommodation: Redundant ventilation system. Full heating/AC throughout the accommodation
Other: 1 x Op1 x Conference Rooms, Fitness room, Wardrobe, Laundry, 2 x Lounges

Lifesaving / rescue

Approved lifesaving appliances for: LSA approved for 100 persons
Liferafts: 4 x 25 persons. Type: Viking 25DKF + S30
Rescue/MOB boat: Norsafe Marlin 615 water jet. Rescue boat NDA25HS.
Life boats with davit: 2 x 50 person. Type: Norsafe Jyn-75 MKIDC
Fire-fighting/foam: -Water/Foam pump/monitor covering helicopter deck. HP Gaseous Fire Suppressing System (CO2). Watermist, sprinkler & Spray system.

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: Preparation steelwise for one work moonpool 7.2 m x 7.2 m according to GA
Offshore crane: MacGregor 150 t , MacGregor 25 t
ROV systems: Hangar with arrangements for installation of LARS and ROV on PS and SB.
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
Anti heeling system: 2 x Anti heeling pump Framo 1000 m3/h. Automatic-/manual system
Deck power supply: 2 utility stations for power supply to deck.