Irene B. 
VESSEL SPECIFICATIONS
170' Class DP I 

REGISTRATION

Type  Supply
Built By  Bollinger
Port of New Orleans
ABS Loadline Yes
Net Tons 135
Gross Tons 198
U.S. Coast Guard Certified Yes
Offshore Limit Full Ocean
EEP Approved 100 Persons

DIMENSIONS

Length 163''.50'
Length BP 154.25'
Beam 36'
Depth 11.50'
Light Draft 5.40'
Loaded Draft 9.70'
Summer Freeboard 1.80'
Lightship 430.00 Lt.

CARGO DECK

Tonnage 385 Lt.
Strength 540 Lb/ft.
Length 110 ft.
Width 30 ft.
Clear Area 3300 ft.

TONNAGE

GRT (ITC/US Reg.) 498/99 tons
NRT (ITC/US Reg.) 163/59 tons

MACHINERY

Main Engines 2 x Cummins KTA 38MO
Brake horsepower 750 BHP ea. At 1600 rpm
Reduction gears 2 x Twin Disc 5301
Gear Ratio 4.96:1
Propellers NiBrA1
Diameter & Max Pitch 72" x 57"
Rudders 2 x 24 sq. ft. Spade
Service Generator 2 x 99 kw @ 1800 RPM, 480 VAC, 3e, 60 Hz
Generator Drives 2 x Cummins CTA 8.3G
Bow Thruster 270 BHP Schottel
Bow Thruster Drive Engine Cummins N14

 CAPACITIES 

Ballast 64,200 USG
Fuel  Oil 57,200 USG
Liquid Mud 1230 BBLS
Fresh Water 11,200 USG
Lube Oil 400 USG
Gear Oil Nil USG
Hydraulic Oil 250 USG
Sewage 873 USG
Dirty Oil 432 USG
Oily Bilge 432 USG
Methanol 44,600 USG
Deadweight 612 Lt.

 SPECIAL EQUIPMENT 

Anchor Winch Gator Marine
FiFi Monitor/1900 GPM Stang Mfg #DO263-11EP
FiFi Pump Crane Demming 8x6
FiFi Drive Engine Cummins N14
Fuel Oil Meter W/Printer Daniel #1400
Survival Craft 2 X 12 Man Life Floats
Liquid Mud Circulation 2 x 500 GPM pumps w/nozzles

PERFORMANCE

Maximum Speed 11 knots
Cruising Speed 10.5 knots
Economical Speed 8 knots
Maximum Fuel Consumption 5.84 Mt/day
Cruising Fuel Consumption 5.36 Mt/day
Economy Fuel Consumption 1.74 Mt/day

DISCHARGE RATES

Drill Water 200 GPM @ 150 ft 45 m/hr @ 46m
Fresh Water Nil @ 200 ft Nil @ 91
Fuel Oil 200 @ 150 ft 45 m/hr @ 46 m
Liquid Mud 2 x 500 GPM @ 150 ft 114 m/hr @ 46 m
Dry Bulk NiL @ 80psi ft NiL @ 6 bar m

ACCOMMODATIONS

Cabins 5
Berths 18
Master 1 Double & Deck
Chief Engineer 1 Double & Deck
Passengers 2 Quadruple shared 1 head
Passengers 1 Sextuple shared 1 head
Seats Lounge: 7
Main Mess 14

DOCUMENTATION

Class ABS Load Line
Flag USA
USCG Sub Ch OSV Domestic Service

ELECTRONICS & CONTROLS

Depth Recorder-Forward

Furuno LS 6000

AIS

JRC JHS-182

GPS

One Furuno GP-32

GYRP

As furnished with DP1 System from Beier Radio

Main Engine Controls

ZF Mathers

Radar

Two JRC JMA 2343/2344

Steering

Beier Radio Independent Steering

VHF 2 x Standard Horizon
Loudhailer Furuno LH 3000
Windspeed As furnished with DPI System from Beier Radio
Alarm & Monitoring Beier Radio
© Kevin Gros Consulting & Marine Services, Inc.