SEA JACKTechnical specifications

GeneralVessel SEA JACKType of vessel Self-elevating platformClassification Germanischer LloydFlag Danish

Technical DimensionsLength 91.20 mBreadth 33.00 mDraft 5.5 mLeg length 50.4 mDeck load 20 t/m2

Free deck space 2500 m2 (subject to deck layout)Total net deck load 1500 - 2500 t (depending on stability)Operating water depth 6 - 30 m (depending on tide, penetration)

Jack-leg systemNo. of legs 4Jacking system WireJacking engines 8 x DEUTZ BF 8 M 1015MC, each 400 kW Jacking speed 0.8 m/min – 1.0 m/minSpudcan footprint 64 m2 Wave limit jacking Approx. 1.5 m Hs (subject to site specific assessment)

Main CraneType Manitowoc M1200 RingerMain boom length 42 - 115 mCrane capacity 800 t (subject to boom configuration)

Mooring & anchor systemWinches 4 x 30 t line pull, hydraulic drivenWire lengths 900 mAnchors 4 x 10 t Tank CapacityFuel 200 m3

Fresh water 84 m3

Sewage tanks 60 m3

Power SourcesMain generatos 2 x 350 kVA, 1 x 125 kVAMain power supply 3 x 380 V, 50 Hz, 3 x 220 V, 50 Hz

Charterers’ Accommodation Charterers’ personnel 23 personsCharterers’ cabins 23 cabinsOffice facility 1 office with 2 work desks and 1 meeting table for 6 personsOther facilities Rest lounge (shared with vessel crew) Mess room (shared with vessel crew) Gym facilities (shared with vessel crew)

Purpose built for the offshore

wind market, SEA JACK is cur-

rently the largest and most

capable barge in the A2SEA fleet.

The large crane on board gives

SEA JACK an unrivalled lifting

capability in the offshore wind

market making the barge suitable

for installation of heavy founda-

tions and large turbines. The

considerable available deck area

means installation of bulky units

such as offshore accommodation

blocks is also possible.

With full jack-up capability, SEA

JACK can operate in areas with

high tidal ranges. A2SEA has

completed the design for a leg

extension for SEA JACK making

A2SEA ready to start the exten-

sion subject to a project specific

opportunity and subsequently

increase the capability to even

deeper waters.

SEA JACK has been updated to

have 23 single cabins (all with en

suite bathrooms) for charterers

personnel.

Visit A2SEA.com

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