b'VESSEL:Dorothy Day and Sandy GroundNAVAL ARCHITECT:Elliott Bay Design GroupBUILDER:Eastern Shipbuilding Group, Inc.OPERATOR:City of New York Department of Transportation DOCK TO DOCK TYPE:Passenger ferryTwo Ollis Class ferries for the City of New York Department of Trans- EFFICIENCYportation (NYCDOT) went into service this year. The Dorothy Day and Sandy Ground were built by Eastern Shipbuilding Group, Inc. (ESG) and designed by Elliott Bay Design Group, both PVA members.The double-ended, 4,500-passenger ferries are larger and will operate more safely in extreme weather conditions. They feature popular de-sign elements of past Staten Island Ferries and new amenities such as more comfortable seating and phone-charging outlets. The ships have the latest in marine technology for energy efficiency and environmen-PHOTO COURTESY OF EASTERN SHIPBUILDING GROUP, INC.tal friendliness, and can be connected to New York City fire vessels to support evacuations and rescue.EachvesselfeaturesfourABSElectro-MotiveDiesel(EMD) L12ME23B @ 750 rpm EPA Tier 4 marine propulsion engines with two engines powering one ABS Reintjes DUP 3000 P combining gear and one ABS 36 RV6 ECS/285-2 Voith Schneider Propeller at each end of the vessel. Power generation is provided by three ABS, EPA Tier 3 marine continuous duty diesel generator sets, Caterpillar C18 driving 480 V, 60 Hz, 3-phase generators rated at 425 kW at 0.8 P.F. @ 1800 rpm. Our waterjets represent the pinnacle of all-round operational efficiency, agile manoeuvrability, for swift turnarounds, and durability.www.hamiltonjet.com19 DECEMBER 2022'