Page 48: of Maritime Reporter Magazine (April 1969)

American Ship Building And Erie Marine Div. Award Contracts To Walz & Krenzer Walz & Krenzer, Inc., of Rochester, N.Y., has recently been awarded contracts by the Ameri-can Ship Building Company and the Erie Marine Division of Litton Industries with a total value in excess of one-half million dollars. For American Ship, watertight doors of a spe-cial design to close off sections in the way of longitudinal conveyor belts, will be supplied for a new 858-foot self-unloading bulk carrier being built for United States Steel Corporation. De-signs have already been approved by U.S.C.G. and A.B.S. For Litton, 35 power-operated hinged hatches will be furnished for a new 1,000-foot self-un-loading bulk carrier being built for Bethlehem Steel Company. W&K introduced their first patented sliding sideports on the Aquarama, and Marine Star in 1953. Since then they have supplied equipment for over 800 major ships sailing under American, Canadian and foreign flags. Current regulations do not require watertight doors in the way of longitudinal conveyor belts. Walz & Krenzer developed a design that elimi-nates the major problem of belt clearance between the closing sections of the door, thereby reducing belt wear during conveyor operations. Regulatory bodies are now encouraging the use of these closures for existing as well as contemplated vessels. These W&K patent pending doors sepa-rate a ship into several compartments, contrib-uting to the safety of both the crew and the vessel. Chesapeake Section Paper Describes Pacer-Class Design Principals attending Chesapeake Section Meeting were, left to right: R. Taggert, Section chairman; O. H. Oakley, Naval Ship Engineering Center, meeting moderator; T. J. Chwirut, author, and Charles B. Cherrix, author. Attendees at the February meeting of the Chesapeake Section of The Society of Naval Architects and Marine Engineers, held at the Washington Navy Yard Officers' Club, heard an interesting paper entitled "Pacer Class? Commercial Cargo Ship," written and present-ed by Theodore J. Chwirut and Charles B. Cherrix of the U.S. Maritime Administration. The authors presented the results of their extensive study predicated on the premise that a low-cost, general cargo ship of moderate size, simplified and capable of being built in quantity would prove useful in the commercial and military posture of the United States. The design goal of the paper does not have as its purpose a finished product ready for construc-tion, but rather a preliminary design devoid of sophisticated features. The authors stated that the construction of minimum-cost ships with the ability to be operated successfully in com-mercial service could be achieved with a total cost reduction of 20-25 percent in comparison to the modern cargoliner. Since this concept of a minimum-cost gen-eral-purpose cargo-liner was presented to in-dustry for its critique many discussions fol-lowed the presentation. Of particular interest was the discussion by Dr. Gallin of Blohm & Voss who commented on some parallels be-tween the paper and studies made by his ship-yard in the area of a simplified hull form. Two 210,000-DWT Tankers Ordered From Sasebo The Japanese shipbuilding firm of Sasebo Heavy Industries Co., Ltd., has received an order for two 210,000-dwt tankers from the Island Navigation Corp. of Hong Kong. The vessels, which will be operated by two subsidiaries of the Hong Kong firm, are due for delivery in September and December of 1972. "7* &e Posse A&O^T-TURECAMO COASTAL & HARBOR TOWING CORP. 1752 SHORE PARKWAY, BROOKLYN. N. Y. 11214 ? TEL: ES 2-5200 MATT0N TRANSPORTATION CO INC TURECAMO TRANSPORTATION CORP MATT0N SHIPYARD CO INC B TURECAMO CONTRACTING C0fc''*NY Around the clock, Turecamo's modern fleet of fast, powerful tugs stand ready to instantly provide you with the very best in towing services. Added to this are the years of invaluable experience docking and undocking ships of all sizes and in every phase of towing operations. When yon tvanl fast, efficient and economical service . . Call Turecamo First. DOCKING ? UNDOCKING - harbor, sound, coastwise, canal and lake towing towing problem 50 Maritime Reporter/Engineering News