DAYA OFFSHORE CONSTRUCTION SDN BHD

Block D5, Level U1, Solar is Dutamas, No 1 Jalan Dutamas 1, 50480 Kuala Lumpur, MalaysiaT: +603 6205 3170 F: +603 6205 3171

w w w . d a y a o f f s h o r e c o n s t r u c t i o n . c o m

02SIEM DAYA SERIES -STX OSCV 11L

The vessel that surpasses all others in its class – Reliable and uncompromisingly Efficient

offshore  construction

Subsea Construction and Installation workSubsea Inspection, Repair and Maintenance work

The vessel is fitted with a ROV hangar with 2 x 200Hp WROVs (Permanently Installed)1 x 250 T AHC Man Riding Offshore Crane rated to 3000 meters1 x 50 T AHC Man Riding Offshore Crane rated to 3000 meters (Optional)Work moonpool

A High standard of accommodation for 110 persons with low noise levels

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The ‘Siem Daya Series’ are offshore Subsea Construction Vessels (STX OSCV 11 L) designed and equipped specifically for subsea operations, providing seabed to surface installation solutions to the Oil and Gas offshore markets worldwide. The ‘Siem Daya Series’ has unrivalled inspection, repair and maintenance program capabilities and can operate in water depths to 3000 meters.

Siem Daya Series STX - OSCV 11L

This specification, together with the General Arrangement drawings describe an offshore construction support vessel series specially designed and equipped for subsea operations in water depths up to 3000 meters.

The vessel is classed according to SPS 2008 Clean Design and is environmental friendly with a focus on low fuel consumption. Precautions equivalent to DNV's CLEAN DESIGN requirements are incorporated in the design.

Its hull form and bow shape have been designed and optimized for all weather conditions. Together with the propulsion configuration, the vessels have particularly good seakeeping abilities, station keeping performance and are able to keep a high transit speed.

General

The Vessel’s Main Services/duties Are:

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Capacities: (Approx. values)

Destination Capacity 100% RemarksPrincipal Particulars

Length overall 120.8 mLength between p.p. 110.8 mBreadth moulded 22.00 mDepth main deck 9.0 mMax. load line draft midship 6.6 m

Max. deck cargo capacity will occur at draught less than the vessel’s max. draught.

Fuel oil 1400 m3

Fresh water 730 m3

MEG 300 m3

Water ballast/ 5400 m3

Drill water

Deck cargo 3100T COG = 1.0 m above deck

Cargo deck area 1300 m2 Deck Strength–10T/m2

aft of frame 87

Deadweight 5000T At max draught

Classification and Regulations:

Det Norske Veritas (DNV):DNV *A1, E0, DYNPOS-AUTR, DK(+), HELIDK-SH, CRANE, ICE-1B (hull only), ICE-C, SF, BIS, CLEAN DESIGN, RECYCLABLE, NAUT-AW, Comf-V(3)-C(3), SPS Resolution MSC.266(84), Code of safety for special purpose ships, 2008.

IMO/SOLAS

Cyprus Flag

Vessels trial speed at d = 4.5m draft to be approx. 15.5 knots in calm weather and with clean hull.Station keeping: ERN 99.99.99 (TBC)

Two off water ballast heeling pumps, with capacity 1 500 m3/h each are installed.

Two off El. driven tunnel thruster forward:

One off El. driven swing-up azimuth thruster forward:

Thrusters:

1 900 kW,freq. controlled

1 500 kW,freq. controlled

Roll Reduction System:

Two off passive roll reduction tank

Joystick system for integrated manoeuvre control of azimuth propellers and side thrusters.

The vessel is equipped with DP II (Dynpos AUTR) system according to DNV Class, including 6 reference systems

DGPS 232 / Seapath 3302 x Taut Wire2 x Hipap 501Radius 1000Cyscan 1000

The vessel is equipped with an integrated bridge system according to specified requirements and regulations.

1 Radar S-band – 1 Radar X-band – 1 Radar Slave

Communication equipment according to GMDSS requirements for Area 3 operation with equipment duplication and shore maintenance utilized to assure availability. Sufficient internal communication systems as a minimum will be as follows UHF, VHF, V-Sat C – KU Band 1mB, CAT 5 network, video network, telephone / video in all cabins.

The vessel to have safety equipment according to SOLAS and flag state requirement.

Three off Lifeboats with davit according to SOLAS (100 % capacity each side)

One off Fast Rescue Craft with el. hydraulic davit SOLAS approved.

The vessel has accommodation and equipment for 110 persons.

Six (6) off Single Cabins - State cabinSix (6) off Single Cabins - Officer cabinThirty-eight (38) off Single Cabins - Crew cabinTwenty-five (25) off Double Cabins - Crew cabin

Each cabin has direct access to private toilet (shower, WC and wash basin).

All accommodations are ful ly air-conditioned for worldwide operations.

The vessel comes with a Sewage treatment plant

TWEEN DECK

MAIN-DECK

The vessel shall be equipped with the following reference systems:

DGPS 132 / Seapath 330

DP Reference Systems:

Nationality:

Performance:

Heeling Pump /System:

Joystick:

DP II System:

Navigation System:

Communication System:

Safety Equipment:

Accommodation:

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The vessel is fitted with a moonpool of 7.2 x 7.2m The moonpool is fitted with baffle zones for optimized sea damping capabil ity.

The vessel is fitted with ROV moonpool of 5.5 x 4.8m with baffle zones for optimized sea damping capabil ity.

The vessel is equipped with a helideck, dia. 26 .1m suitable for Sikorsky S-92, holding DNV-class "HELDK-SH''.

The vessel is equipped with hangars aft of the accommodation for the WROV'S

Moonpool:

Helideck:

WROV LARS system:

ROV Hangar:

One off Overside LARS - 15 t/4050 m AHC

One off Moonpool LARS - 15 t/4050 m AHC

Two off Mooring winches aft, 10 tonnes eachTwo off Windlass with cable lifters, warping ends and drumsTwo off Hydraulic / electric operated mooring platform

Up To Two off Deck / provision crane: 3.0 T - 15 meter.One off Folding crane for equipment handling in ROV hangar. Capacity: 1 ton – 16 m.

Deck machinery:

Deck Crane:

Offshore Crane:

One off SWL 250 tons main line -14 m AHC 20 tons whip line -40 m AHC Knuckle boom offshore crane. Depth cap. 3000 m Man riding 10t/38 m on whipline

Two (2) off Azimuth thrusters. El. driven frequency controlled propellers and water cooled drives. Power: Approx. 3000 kW each

Generator Quant. Capacity eKW Voltage V Freq. Hz Rpm Prime mover

Main generators 4 (Four) 2760 690 60 720 Main diesel engineHarbour generator 1 (One) 750 690 60 1800 Harbour diesel engineEmergency generator 1 (One) 185 690 60 1800 Emerg. diesel engine

Main Propulsion DRIVES:

Generators:

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DAYAOCI

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OPTION IF REQUIRED

Cooling systems are based on a central cooling system. There is one separate cooling system for each engine in accordance with supplier’s recommendation.

Two off Starting air compressorsTwo off Starting air bottlesTwo off Working- / instrument air compressorTwo off Bilge pumpsThree off Fire pumps One off bilge water separator Water mist fire fighting system in engine room Ballast treatment system

Cooling Systems:

Alternating current system, 3 phase, 60 Hz for the general el. system in accordance with to DIN and /or IEC norms.System voltages: 690V AC, 440V AC, 230V AC and 24V D

Electrical System:

A-DECKB-DeckBLOCK MAIN DECK

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OPTIONAL