Overview
The MMA Crystal is a key marine asset for MMA. The vessel has a strong track record supporting various anchor handling scopes in South East Asia and Australasia. MMA will often utilise the vessel for ocean tow scopes between Asia and Australia. The vessel’s dynamic positioning provides ideal maneuverability and its deck space provides ample cargo transportation.
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Key Features
- Notation:
✠A1, Offshore Support Vessel (AH), Fire Fighting Vessel Class 1, Towing Vessel, ✠AMS, ✠DPS-2
- Built:
built in 2012 by Jaya Shipbuilding & Engineering
- Port of Registry & Flag:
Singapore / Singapore
- Deck Space:
500m2 free deck space at 7.5t/m2 deck strength
- Bollard Pull:
104.2 tonnes bollard pull is ideal for towing scopes
- BHP:
The vessel has a total of 7,965 BHP
Vessel Summary
- PARTICULARS
- Vessel Type Anchor Handling Tug Supply
- IMO Number 9594212
- Port of Registry Singapore
- Year Built 2012
- Class ABS
- Notation ✠A1, Offshore Support Vessel (AH), Fire Fighting Vessel Class 1, Towing Vessel, ✠AMS, ✠DPS-2
- DETAILS
- Length Overall 70.05m
- Breadth 17.0m
- GRT-NRT 2,763/829
- Deadweight 2,515t
- Depth Moulded 7.50m
- Maximum draft 6.10m
- Clear deck Space 500m² (600 tons total)
- Deck loading 7.5 T / m²
- Max Speed 14.0kts
- Economical speed 10.0kts
- Bollard Pull tonnes 104.2t
- Sewage Plant 1 x 50 men , Evac Vacuum
- Rudders 2 x Becker Flap Type S A
- Joystick Bridge Mate
- Flow Meter YES
- CAPACITY
- Fuel Oil 698.7m³
- Potable Water 514.1m³
- Drill Water Total capacity all D/W tank = 1239T if filled with fresh water and 1369T if filled with sea water. Currently Tank No. 2, 4 and 5 filled with fresh water only for the rig with capacity 593.6T.
- Oil Based Mud Currently 2 tanks used for OBM with 100% capacity 140m³ / 1762 bbls
- Dispersant 15.7m³
- Dry Bulk 50m³ in four tanks
- Foam 15.7m³
- PUMPING RATES
- Fuel Oil 1 x 117m³/hr @ 80m head
- Potable Water N/A
- Drill Water 1 x 120m³/hr @ 90m head
- Oil Based Mud 2 x 75 m³/h @ 95m head
- Dry Bulk 2 x 20m³/hr
- MACHINERY
- Main Engines 2 x MaK 9 M 25 2,970kW
- Generators 2 x Volvo Penta D12 MG 350kW
- Emergency Generators 1 x 99 ekW @ 1800 RPM, Volvo penta radiator cooled, 440V/3Ph/60Hz
- Bow Thruster 2 x 600kW Tunnel Type
- Propulsion 2 x CPP
- ACCOMMODATION
- Berths 1x10, 2x20
- Total 50
- FIRE FIGHTING
- Class 1
- Monitors 2 x 1,200m³/hr
- Pumps 2 x 1,711m³/hr
- DECK EQUIPMENT - Towing Winch
- Type Rolls Royce Electro-hydraulic
- Pull Bollard Pull 104.2 MT
- Brake Holding 250t
- Wire Capacity 58mm x 1,400m
- DECK EQUIPMENT - Anchor Handling Winch
- Type Rolls Royce Electro-hydraulic
- Pull 65MT stalling (high speed) and 210MT stalling (slow speed)
- Brake Holding 250t
- Wire Capacity 76mm x 800m
- DECK EQUIPMENT - Tugger Winch
- Number & Capacity 2 x 12t Hydraulic
- Wire Capacity 24mm x 220m
- Other Deck Equipment
- Storage Drum 1 x electro-hydraulic, Brattvaag, fixed Ø800/2 x L1700mm, for Ø58mm x L1500m rope
- Towing Pins 2 x 300t Karmoy
- Shark Jaws 1 x 300t Karmfork
- Stern Roller 1 x 250t 2.2m x 4.8m
- Crane 1 x 2t @ 12m / 5.9t @ 2.2m Palfinger Hyd Deck Crane PTM 400
- Deck Voltage & Sockets 2 x 415V, 2 x 220V
- Water Maker 2 x 5m³/day reverse osmosis
- LIFESAVING
- Liferafts 6 x 25 man
- Lifejackets 63
- FRC/Rescue Boat/Davit 1 x NEUVISA PR-40
- Lifebuoys 8
- Immersion Suits 56
Projects
The Subsea 7 Emergency Pipeline Repair System Project involved to provide facilities, equipment and personnel support to Subsea 7 as they assembled and tested the EPRS in Tuas, Singapore.
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.
Safety Performance
Total Recordable Case Frequency
(per million hours)
