RONGAN OFFSHORE PTE LTD Address: 10 ANSON ROAD, #19-01 INTERNATIONAL PLAZA SINGAPORE 079903

ESV05-280LLatticeLeggedLiftboat

Length Overall:

74.8 m

Length Main Hull:

48.6 m

Beam Moulded:

37.9 m

Depth Moulded:

5.1 m

Draft Moulded:

3.2 m

Leg Length: 85m (280ft)

Maximum water depth:

60m

** This vessel specification is given in good faith & assumed to be correct. Details given are without guarantee.

** Owners reserved the right to amend the specifications without notification.

MAJOR FEATURES Design Temp. Structure Design Temp.

-10~50Deg.C -20Deg.C

Speed 5.0 knots

Helideck Rated Suitable for S62 and S92 Helicopter, CAP437 Compliance

Propulsion System 2 x 1500kW FP Azimuth Thrusters.

Electric Power Generator

4 x 1360kW, Cat C32, 690V/3Ph/60Hz

Emergency Generator

1 x 350kW, Cat C18, 440V/3P/60Hz

Water Maker Capacity 2 x 50MT/day

Accommodation 04 x 1-man cabin; 07 x 2-men cabin; 33 x 4-men cabin; Total:150 personnel including marine crew

Lifting Facility 1 x 120MT LEC Crane Main Hook: Max.120MT@9.5m; 25MT@30m; Aux. Hook: 5MT@32m Aux. crane 33t @17.5m; 23mt @25m; 1.5mt @35m

Variable Load 800 MT

Deck Space Cargo Deck: 400m2; Open Deck: 1200m2

Bow Thruster 2 x bow thruster FP 400 kW

Steering System Electric/hydraulic steering, with 2 stations

Fuel Oil Tank Capacity 250MT

GeneralSpeci,icationsESV05-280LLiftboat

GENERAL

Port of Registry/Flag Panama

Official Number TBA Class ABS Notation + A1, Self Elevating Unit,

+AMS, DPS-1, CRC, Accommodation Service

Built TBD

Jacking System 48 pinion drive gears, each gear 150MT lifting capacity, Electrical Driven, Jacking speed 1.0m/min

Fresh Water Tank Capacity

280MT

** This vessel specification is given in good faith & assumed to be correct. Details given are without guarantee.

** Owners reserved the right to amend the specifications without notification.

GeneralSpeci,icationsESV05-280LLiftboat

DESIGN CRITERIA (WITH LEG LENGTH 280 FEET )

Design Conditions

Water Depth(m)

Max. Wave Height(m)

Wave Period (m)

Wind Velocity (knot)

Current at Surface (m/s)

Current at Mudline (m/s)

Penetration(m)

Air Gap (m)

Working Condition 1 55 6.0 7.5 70 0.77 0 3 6

Working Condition 2 40 6.3 8.3 70 0.77 0 3 25

Storm Condition 35 9.5 10.2 100 1.83 0 3 10

DESIGN CRITERIA (WITH OPTION OF LEG LENGTH 320 FEET)

Design Conditions

Water Depth(m)

Max. Wave Height(m)

Wave Period (m)

Wind Velocity (knot)

Current at Surface (m/s)

Current at Mudline (m/s)

Penetration(m)

Air Gap (m)

Working Condition 1 60 6.0 7.5 70 0.77 0 3 6

Working Condition 2 50 6.3 8.3 70 0.77 0 3 25

Storm Condition 45 9.5 10.2 100 1.83 0 3 10