SPLIT-HULL HOPPER DREDGE MANHATTAN ISLAND READY FOR SERVICE

The Manhattan Island, built by the North American Trailing Company (NATCO), has a split hull, made up of two longitudinal half-sections hinged together at the deck, the basic components of which are the hinges and two hydraulic rams. The rams function as an opposing force preventing sudden impact during opening or closing of the hull. Controlled dumping can be accomplished in less than a minute, with the bottom opening held any distance up to a maximum of 16 ft. 6 in. The vessel is licensed for Oceans Unlimited by the U.S. Coast Guard and is classed American Bureau of Shipping A-1 Dredging Service, MS, ACCU; the hull also meets Bureau Veritas requirements. Principal particulars are: Length, o.a.-28 ft; Depth, mld-21-1/2 ft; Beam-52 ft; Draught, loaded-19-1/2 ft; Displacement, loaded-7,840 tons; Dredging depth, max.-70 ft; Carrying capacity-3,700 cu. yds.; Main machinery-2 x direct drive Diesel engines, total power 6,750 hp. A general arrangement diagram is included together with photographs of the dredger taken on trials.

  • Corporate Authors:

    Symcon Publishing Company

    Berth 84, Box 1800
    San Pedro, CA  USA  90733
  • Publication Date: 1977-9

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00178190
  • Record Type: Publication
  • Source Agency: British Ship Research Association
  • Files: TRIS
  • Created Date: Jul 19 1978 12:00AM