dredger

5500m3 Trailing Suction Hopper Dredger 1General1.1 vessel type and functionThis vessel is a trailing suction hopper dredger of steel full welding ,steamline and round-bilge form with twin screw,double rake,single deck,bulb bow and doule tail fin. It can navigate in unrestricted navigation area and operate in offshore navigation area.1.2 sea condition and object of operationenvironmental condition of operation area:wave height: 3.0matmospheric temperature: -15°c～40°csea water temperature: 0°c～32°crelative humidity: 90%～95%。max current: 2m／secmax wind speed: 20 m／secdredging object: silt,clayey soil,sandy soil of intermediate density, intermediate fine sandcondition of checked sandy soil: DN50=0.25mm medium sand1.3 Class and regulation(1) It is designed according to CCS “Classification Rules of Steel Sea-going Vessel”(2006) and its newest amendment.Shipyard should do the construction under the supervision of CCS after approval of CCS drawing check center on design drawings.(2) It should meet the relevant regulations of “Statutory Survey Regulation of Ship and Marine Facility-- Statutory Survey Technical Regulation of International Navigation Sea-going Vessel” issued by China Marine Board.2 main parameterslength of overall 105.00mlength between perpendiculars95.20mmolded breadth 19.00mmolded depth 8.00mdesign draft 5.20moperating draft(dredging condition) 7.24mdeadweight at operating draft(dredging condition) 7891.4tmax dredging depth(below light draft) 27mcomplement 30Ppower of main engine2×2795KW navigation speed 12knheight between decks:main deck —poop deck 3.00mpoop deck—accommodation deck 2.70maccommodation deck—boat deck 2.70mboat deck — navigation deck 2.70mnavigation deck —compass deck 3.00mmain deck —forecastle deck 3.00mheight of hopper hatch coaming 3.00m