Working Condition of the Crane
Water depth               8~300m
Significant wave height      approximately 2.5m
Wind velocity              17.1m/s
Flow velocity              3kn
Environment temperature    -20℃~45℃
Tied back                Trim 1.5 °, heel 1.5° 
Revolving                Trim 3.5 °, heel 3.5°
Dispatch                 pitch 10 °, roll 20°
The crane can luff, hosite and revolv separately. Upper deck will be a continuous deck. The 1200t slewing crane will be installed on aftdeck. Deck house will be on the forecastle deck. There will be seven water tight transverse bulkheads under the upper deck to divide the main hull into eight watertight compartments. Before collision bulkhead, there will be forepeak as a ballast tank, anchor chain box and bow thruster room will in it under the upper deck. In the accommodation there will be single-berth and double-berth cabins with sanitary unit.