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M. Rosenblatt Completes Conversion Plans For R /V Worthy

The San Francisco office of M. Rosenblatt & Son, Inc., naval architects and marine engineers, has completed the detail alteration plans and specifications for the conversion of the R/V Worthy (ex TAGOS 14) to an oceanographic/geological research vessel to be operated by the U.S. Geological Survey, homeported in Redwood City, Calif. M. Rosenblatt specified that, to meet the damaged stability standards of 46CFR, Subchapter S, an existing transverse bulkhead will be converted to a watertight subdivision bulkhead; 30 tons of solid ballast will be installed; and a pair of port and starboard tanks will be cross-connected for counterflooding in case of damage.

To meet mission requirements, a stern mission platform will be installed; existing fuel oil and sea water ballast tanks will be converted to winch and compressor rooms; the upper deck will be extended to accommodate stowage spaces below, the aft ship control station will be relocated, and provision will be made for installation of four 20-foot stowage vans on the upper deck; the deck house on the foc'sle deck will be altered to allow for installation of a new J-frame; mission equipment will be installed including: a stern U-frame, two HIAB sea cranes provided by Morgan Marine, a multi-channel seismic cable reel, "Gloria" sidescan sonar tow vehicle and gantry, an oceanographic coring winch with 30,000 ft. of wire, an electro/mechanical cable winch with 25,000 ft. of coax cable, and four seismic air compressors.

Also, two potable water tanks will be enlarged, an existing hydraulic crane will be relocated, and auxiliary ship systems will be modified to suit the alterations.

For more information on M. Rosenblatt Circle 133 on Reader Service Card

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