Page 30: of Maritime Reporter Magazine (September 1971)

SNAME Calls For Papers

To Be Read At Conference

On Offshore Technology

The Offshore Technology Conference will be held May 1-3, 1972, at the Astroworld Ex- hibit Complex, Houston, Texas.

The Society of Naval Architects and Marine

Engineers, one of the sponsoring societies and a founding member of the Offshore Technolo- gy Conference (OTC), is represented on the 1972 OTC program committee by Donald L.

Frisby. Working jointly in the selection of

SNAME sponsored papers are A.E. Allan and

Walter B. Devine. The Society is represented on the OTC executive committee by Blakely

Smith.

The following subjects are desired: ocean environment, weather, offshore platforms and structures, drilling barges and vessels, drilling rigs and operations, subsea well completions, mechanical design and equipment, metallurgy, electronics and instrumentation, communica- tions, underwater pipelining, subsea opera- tions, ocean mining, water transportation, lo- gistics, sea state, navigation and surveying, positioning, materials and economics and fi- nance.

Those interested in submitting a paper for this conference may write to The Society of

Naval Architects and Marine Engineers, 74

Trinity Place, New York, N.Y. 10006, for a copy of "Guidelines for Potential SNAME Au- thors" and a "Data Reporting Form."

Completed forms, including an abstract of the paper, should then he forwarded to one of the three addresses as follows:

The Society of Naval Architects and Marine

Engineers, c/o Donald L. Frisby, Armco Steel

Corp., P.O. Box 723, Houston, Texas 77001;

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Three-Company Joint Venture

Sponsored By Dravo Corp.

Awarded $83.8 Million Contract

Construction of Smithland Locks near Padu- cah, Ky., the first navigation facility on the

Ohio River with two 1,200-foot-long chambers, will require removal of a 138-acre island, ex- cavating of nearly 9 million cubic yards of earth and rock, and placement of nearly 1 mil- lion cubic yards of concrete.

Work on the structure will begin late this summer under an $83.8-million contract recent- ly awarded by the U.S. Army Corps of Engi- neers to a three-company joint venture spon- sored by Dravo Corporation, Pittsburgh, Pa.

The locks are scheduled for completion late in 1975.

Other members of the joint venture are S.J.

Groves and Sons Company, Minneapolis,

Minn., and Gust K. Newberg Construction

Company, Chicago, 111.

The locks will be built on the Illinois side of the Ohio in the vicinity of Dog Island, 12 miles upstream from Paducah, near the mouth of the Cumberland River. Dog Island will form part of the cofferdam for construction of the locks. It will be completely removed later in preparation for construction of an adjoining 3,500-foot-long dam under a separate contract.

When completed, Smithland Locks and Dam will provide a lift of 22 feet and will replace obsolete locks and dams 50 and 51. The new facility is one of two structures remaining to be built in the Corps' modernization program for the Ohio River navigation system.

Two 1,200-foot chambers are included be- cause of steadily increasing river traffic and due to the facility's location on the lower Ohio, where tows and heavy traffic are common.

Both chambers will be 110 feet wide. Other new locks on the Ohio have one 1,200-foot chamber with an auxiliary chamber 600 feet long.

Smithland Locks will also include a 1,650- foot-long upper guard wall, a 650-foot-long middle guide wall and a 1,050-foot-long lower guard wall. The guide wall will be 64 feet wide —considerably wider than usual—to accommo- date two culverts needed to handle the two large chambers.

To be built inside a cofferdam encompassing 110 acres, the project will require 900,000 cubic yards of concrete and 6.3 million pounds of re- inforcing steel. This will be about 50 percent more concrete than normal for most Ohio

River locks. Concrete will be supplied by an on-site batch plant.

Some 8.5-million cubic yards of common ex- cavation and 300,000 yards of rock excavation will precede construction. The rock excavation will be difficult because of the geologic nature of the limestone, which contains many solution cavities.

In addition to the locks themselves, Dravo's joint venture contract calls for construction of an access road, an operations building and hy- draulic, compressed air, raw water and elec- trical systems, as well as placement of 139,000 cubic yards of rip-rap for slope protection up- stream and downstream of the site.

Engineers Award Grafton Boat

Contract For 3 Deck Barges

The Corps of Engineers, St. Louis, Mo., has awarded a contract in the amount of $218,580 to Grafton Boat Co., Inc., Grafton, 111, to con- struct three deck barges. 32 Maritime Reporter/Engineering News