Page 14: of Maritime Reporter Magazine (August 1977)

Siltemp Thermal Barrier

Controls Fire Hazards

In the self-sufficient environ- ment of oceangoing vessels and offshore drilling rigs, personnel and hazardous materials must necessarily share confined quar- ters. The possibilities for catas- trophe are obvious. In such in- stances, control of fire hazards and protection of personnel and equipment make "Siltemp" ther- mal barrier, from Haveg Indus- tries, Inc., an important on-board safety product. Haveg is a sub- sidiary of Hercules Incorporated.

Siltemp is a strong, lightweight, flexible silica fabric with a melt- ing point in excess of 3,000 de- grees that can be draped or stretched trampoline-style be- tween hotwork and vulnerable personnel, property or flamma- bles, to provide a thermal barrier.

When layered, each thickness of

Siltemp adds significantly to im- prove the insulation properties of the material by as much as 80 percent. Such layering allows am- bient temperatures to be main- tained near sensitive materials.

Siltemp thermal barrier, as cloth, tape and cordage, meets the requirements of MIL-I-24244 specification, relating to chloride content and resistance to corro- sion, so important to many indus- tries. It contains no asbestos, a material that has been challenged for health reasons, and is valuable also for its chemical resistance and electrical insulation prop- erties.

Information on Siltemp is available from Allen Baker, Her- cules Incorporated, Room 415, 910

Market Street, Wilmington, Del. 19899.

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Siemens Corporation, Marine Service Division 186 Wood Avenue South, Iselin, New Jersey 08830

Telex—W4844491

SIEMENS

Southwest Marine, Inc.

Awarded $2,500,000 For

Fourteen Workboats

Southwest Marine, Inc., a ma- rine repair and construction facil- ity located in Chula Vista, Calif., has been awarded a $2,500,000 contract by the U.S. Naval Sea

Systems Command to build four- teen 50-foot LCM workboats, ac- cording to Arthur Engel, presi- dent of Southwest Marine.

The new boats are scheduled for delivery starting in July 1978 to naval installations in San

Diego, Calif., and Norfolk, Va.

Four of the craft are destined to be utilized in conjunction with the Navy's new AD-41 class de- stroyer tenders.

The workboats have a 15-foot beam, displace 95,100 pounds (full load), and are powered by two 200-hp model 6-71 General Motors diesel engines.

Southwest Marine is a multi- faceted marine facility located on seven acres of waterfront prop- erty on San Diego Bay. Besides

Government boat construction, the company's primary emphasis is on Government and commer- cial ship repair.

Proposals For Research

Requested By MarAd

The Maritime Administration has issued a Request for Pro- posals (RFP) for a 12-month re- search and development contract for a Hull Stress Warning Sys- tem for Great Lakes Carriers.

The purpose of such a system is to alert ship operating person- nel when the stress created by loading, ballast, and/or environ- mental conditions begins to ap- proach maximum safety limits.

This RFP is for the identification of the technical and operating requirements for a hull stress warning system which are par- ticular to the Great Lakes. Those requirements will be compared with existing systems and used to develop a next generation sys- tem designed specifically for the

Great Lakes.

The research will be comple- mentary to current private stress warning system research for

Great Lakes vessels and research on oceangoing systems being con- ducted at MarAd's National Mar- itime Research Center at Kings

Point, N.Y. 16 Maritime Reporter/Engineering News