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The new contract requirements exceed that of the previous hull and the vessel design includes many of the ?green? features required by the NPS, such as zero discharge, an oil boom on board, and energy-ef cient LED lighting throughout the vessel. Additionally, a high-ef ciency HVAC system augmented by the engines? waste heat, solar-charged emergency batteries, metal-free bottom paint (Sherwin Williams SeaGuard), and a zero-VOC vinyl marine lm applied to the exterior house instead of paint. The vinyl coating is lighter than paint and promises lower maintenance costs for the operator. Yankee III Speci Þ cationsSPECIAL FEATURES : LEAN, GREEN & FUNCTIONALITY Gladding-Hearn immediately set about making the vessel greener, but also enhancing its long term viability. Of particular note was tting of 2 Caterpillar 3512C engines that were sized to t performance requirements, but also minimize fuel burn. There was no need for outsized, ?too- large? engines, according to Gladding-Hearn President Peter Duclos. Nevertheless, top speed of the ferry is an impressive 28+ knots. The LED lighting saves capacity on generators and the ferry is tted with some solar panels. The multi-mission, catamaran vessel is also poised to respond to oil spills in the park, if necessary. Even the on board showers are tted so as to collect gray water to protect the local environment. Although the new vessel usually only carries 150 (limited by requirements of the Park Service), the vessel?s design capacity of 250 passengers allows for contingencies in the event of evacuations and/or special circumstances for those already on island camping, seasonal staff, etc. According to Duclos, the vessel complies fully with the new USCG passenger weight rules, which he says are primarily related to displacement issues. Nevertheless, the vessel also boasts an active ride control system (Vosper/MDI) which dampens movement at sea and provides more freeboard for the long offshore run (+60 miles). A large back deck area allows for plenty of room for camper?s gear and kayaks, etc. Owner: Yankee FleetMain Engines: 2 x Caterpillar 3512C Designer: Incat Crowther Pty. Ltd. Gears: 2 x Twin Disc MGX-6848SC Certi Þ cation: USCG, 250 pass. Warm Water, Oceans Propellers: 5-Blade Ni-Br-Al Material: All AluminumGenerator: 2 X 58kW CAT C4.4 Length: 33.5 M(109.9?)Speed Loaded: 28 knots Beam: 9.65 M(31.65?)F uel Consumption: 582 L/H(154 G/H) Draft: (loaded) 2.0 M(6.56?)Range: 330 miles Fuel Capacity: 7560 l (2000 US gal) Interior Sound Level: < 70 Dbawww.marinelink.com MN Jan2013 Layout 18-31.indd 25MN Jan2013 Layout 18-31.indd 251/2/2013 2:26:07 PM1/2/2013 2:26:07 PM
