Overview
The Mermaid Sound was purpose built to be an offtake support vessel. With its diesel electric propulsion, 70t bollard pull the vessel is one of MMA’s strongest performing AHT vessels in the fleet. The vessel has been on continuous hire since its delivery in 2007 – providing FPSO offtake support services on the North West Shelf of Western Australia.
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Key Features
- Notation
A1, Offshore Support Vessel, AMS, ACCU
- Built
The vessel was built in 2007 at Cheoy Lee Shipyards
- Port of Registry & Flag
Dampier Port & Australian Flag
- Deck Space
170m2 free deck space at 5t/m2 deck strength
- Bollard Pull
70 tonnes bollard pull is ideal for static tow operations
- BHP
With three caterpillar diesel electric engines the vessel has a total of 7,647.9 BHP
Vessel Summary
- PARTICULARS
- Vessel Type Offtake Support Vessel
- IMO Number 9374935
- Port of Registry Dampier
- Year Built 2007
- Class American Bureau of Shipping
- Notation A1, Offshore Support Vessel, AMS, ACCU
- DETAILS
- Length Overall 49.95m
- Breadth 13.4m
- GRT-NRT 1311/393
- Deadweight 1,200 T
- Depth Moulded 6.25m
- Maximum draft 5.2m
- Clear deck Space 170m²
- Deck loading 5t/m²
- Max Speed 13knots
- Economical speed 10knots
- Bollard Pull tonnes 70 ahead, 67 astern
- Sewage Plant MARPOL compliant 20 persons
- Joystick Schottel
- Flow Meter Nitto Seiki
- CAPACITY
- Fuel Oil 497m³
- Portable Water 395m³
- Sewage 14.7m³
- PUMPING RATES
- Fuel Oil 100m³ @ 50m head
- Potable Water 100m³ @ 50m head
- MACHINERY
- Main Engines 3 x 1825kW 60Hz Caterpillar 3516B
- Harbour Generator 1 x Caterpillar CAT 3056 99kW 440V
- Emergency Generators 1 x Caterpillar C4, 52kW 440V
- Bow Thruster 1 x 550kW approx 7.5T transfer thrust
- Propulsion 2 x 2000kW diesel electric propulsion, azimuthing stern drive
- ACCOMODATION
- Berths 10x1, 2x2, 2x4
- Total 22
- FIRE FIGHTING
- Class 1/2
- Monitors 1,200m³/h
- Pumps 1,300m³/h
- DECK EQUIPMENT - Towing Winch
- Type Double drum waterfall - upper drum
- Pull 82.3t
- Brake Holding 150t
- Wire Capacity 1000m x 52mm
- DECK EQUIPMENT - Bow Winch
- Type Single drum
- Pull 50t
- Brake Holding 150t
- Wire Capacity 800m x 52mm, 1000m x 72mm
- DECK EQUIPMENT - Anchor Handling Winch
- Type Double drum waterfall (lower deck)
- Pull 82.5t
- Brake Holding 150t
- Wire Capacity 1000 mx 52mm
- DECK EQUIPMENT - Tugger Winch
- Number & Capacity 10t
- Wire Capacity 200m x 22mm
- Other Deck Equipment
- Towing Pins 2 x 150t Karmoy
- Shark Jaws 1 x 150t Karmoy
- Stern Roller 130t SWL, 3.0m x 1.5m dia
- Deck Voltage & Sockets 3 x 440V x 32 amp
- Water Maker 5000l/day
- LIFESAVING
- Liferafts 4 x 25 man inflatable
- Lifejackets 48
- FRC/Rescue Boat/Davit SOLAS fast rescue boat and davit
- Lifebuoys 8
- SPECIALIST
- Rescue Zone Fitted
- Dispersant Booms 2 fitted
Projects
The Receipt & Storage of Ichthys Mooring Equipment involved the receipt of three large barge loads of mooring equipment that needed to be offloaded, transported and stored.
Chevron Australia chartered two AHTS vessels to support the Ensco 107 Jack Up rig movements for the Thevenard Island Retirement Project
Mid 2013 Chevron awarded a contract variation to MMA for the transportation of specialised project equipment from Henderson to Barrow Island.
In 2012, the PSV MMA Leveque was contracted by Allseas Australia to perform supply duties and transport pipe, subsea structures, fuel, water and general supplies from the Dampier Supply Base to vessels working on the Gorgon and Jansz fields.
Subsea 7 contracted MMA to conduct tug and barge services for the transport of Chevron materials from Batam, Indonesia and Henderson, Australia to the Gorgon and Jansz fields.
Chevron Australia contracted Sapura Clough to provide the transportation and installation of approximately 90 kilometres of 20 inch pipeline, both offshore and onshore, from Barrow Island to the Dampier Bunbury Natural Gas Pipeline.
Safety Performance
Total Recordable Case Frequency
(per million hours)
