Signet Maritime christens twin ASD escort tugs

Signet Maritime Corp. christened two new RAstar 3100 ASD Tier III escort tugs at Trinity Offshore LLC in Gulfport, Miss., on Tuesday. Designed by Robert Allan Ltd., Vancouver, British Columbia, and built at Trinity, the new tugs, Signet Constellation and Signet Stars & Stripes, measure 100’x40′ and feature 82 metric tons of bollard pull (ahead) each.

Signet signed a contract with Angola LNG Supply Services LLC last year to furnish escort tugs for Angola LNG’s liquid natural gas (LNG) terminal at the Port of Pascagoula (Miss.). The two new tugs will provide escort for Angola LNG’s tankers coming into the U.S. from the African nation.

“These vessels represent a $30 million investment from our company,” J. Barry Snyder, Signet’s owner and president, told the audience gathered for the christening ceremonies. “We will not layoff. We will construct and build as we build back America.”

Signet’s investment in Mississippi is actually closer to $90 million, which includes the two new tugs, a third escort tug under construction at Colle Maritime Co. — which Signet purchased in July 2010 — and financing of Signet’s own debt.

 Signet Constellation and Signet Stars & Stripes are the first commercial marine newbuilds of their kind for Trinity, which has for years been a premiere builder of yachts, patrol boats and other vessels. “This is our first commercial contract since diversifying the facility,” said John Dane III, Trinity Offshore’s president and CEO.

The new tugs are each powered by twin Caterpillar C175-16 Tier III diesel engines, producing 3,417 hp at 1,800 rpm per engine. The Cats connect to Rolls-Royce US255, controllable pitch Z-drives.

Ship’s service power is the responsibility of three John Deere 6068TFM76 gensets.

On deck, each tug sports a Markey DESDF-48, 200-hp electric bow winch.

Tankage includes 64,565 gals. of fuel and 4,461 gals. fresh water.

The tugs carry ABS Maltese Cross A1, escort and AMS, Fi-Fi 1 classifications.

 

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