dredge construction starts at bae Just as its about to deliver the U.S. Flag/Jones Act-qualified product chemical tanker, American Phoenix to the State of Alabama, BAE Systems, began construction on an 8,500 cubic yard capacity trailing suction hopper dredge for Weeks Marine, Inc. The vessel will measure 340 ft long, 79 ft wide, with a draft of 27 ft. The state-of-the-art trailing suction hopper dredge will be the first designed by IhC Merwede to be built in the United States. It will be delivered in 2014.
sea scout marks shift for c & c technologies All-American Marine Inc., Bellingham, WA, has delivered the 134 ft Sea Scout to Louisiana-based C&C Technologies, Inc. The vessel will be used for survey work. Sea Scout’s aluminum construction is the first time C&C operates a vessel that isn’t a steel monohull. The decision to make the jump to aluminum was prompted by C&C’s diverse multi-mission requirements. The aluminum construction promotes speedy, more efficient operations, while offering greater seakeeping ability. “With this boat, we will be able to do more work in rougher seas,” says C & C Technologies’ Jeramie Rivette. “That’s really important in survey work where pitch, roll and heave will often stop you from getting good data.”
“The challenge,” explains Nic de Waal of Teknicraft Design Ltd., “was to design a vessel that would run at high speeds and over long distances to reach the project site, but also a vessel that would be efficient spending a long time on low power and low speed during surveying work.” To meet that challenge,
the ABS certified survey vessel will feature quad propeller propulsion system, generating a cruising speed of 26 knots. Its two engine rooms will each be equipped with a C32 ACERT 1,600 bhp diesel engine, a C18 ACERT 553 bhp diesel engine and a C6.6 170 ekW generator, all supplied by Caterpillar. At the job site Sea Scout will run on the smaller two engines coupled to ZF Marine gears with trolling valves to provide an economical speed range from 4 to 11 knots. For long range capabilities, the vessel has a fuel tank capacity of 6,600 gallons, plus two reserve tanks provide an additional capacity of 4,400 gallons. Ballast tanks are located fore and aft to ensure optimal trim in various loading conditions.
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