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CUVX Design – VT Team 2 Page 76CUVX-HI3 has five decks and six platforms, accommodating 898 total personnel: 831 enlisted crew and 67officers. The decks and platforms are divided into the following areas: human support, machinery, weapons storage,ship support, mission support, and hangar. HD1 is the main deck and the Recovery Deck is the 01 level. Deck 3 isthe Damage Control Deck. Details of each deck and platform are discussed in Section 4.9.3.4.9.2 Main and Auxiliary Machinery Spaces and Machinery ArrangementThe primary propulsion, auxiliary, and electrical machinery are arranged in six compartments. There are threemain machinery rooms, MMR1, MMR2, and MMR3, one auxiliary machinery room, AMR, and two propulsionmotor rooms, MPM1 and 2 separated by a centerline bulkhead. Details are shown in Drawings D2.Figure 69. MMR2 Lower Level Machinery ArrangementNo. Equipment Capacity1 Diesel Engine2 Generator 7755 kW, 6600V, 60 Hz4 FW Cooling Pump 600 m 3 /hr @ 4bar5 FW Cooler6 Seawater strainer7 Main SW Circ Pump9 LO Feed Pump13 Prop Motor control14 Motor control15 Fuel Service Pump16 LO Service Pump17 Lube oil cooler18 Lube oil strainer19 HT FW cooling pmp20 MDG FW preheater21 Generator control23 Fire pump 2000 gpm @ 9 bar24 Fire and ballast pump 2000 gpm @ 9 bar25 Aux SW pump 1000 gpm @ 3 bar26 Bilge pump 1000 gpm @ 3.8 bar27 Bilge/ballast pump 1000 gpm @ 3.8 bar28 Fuel transfer pump 200 gpm @ 4.2 bar44 MDG lube oil filter47 Oily waste pump 100 gpm @ 7.6 bar48 Oil/water separator 20 gpm49 Sewage treatment50 Waste water pump 250 gpm @ 2.4 bar55 Oil content monitor 15 ppm61 LO storage tank 6.39 m 362 LO settling tank 1.52 m 366 Fuel service tank 21 m 384 JP-5 transfer pump85 JP-5 service pump86 JP-5 stripping pump87 JP-5 filter/separator88 JP-5 filter/separator89 Sewage treatmentFigure 69 shows lower level machinery arrangements in MMR2. The complete machinery arrangement andMEL is in Drawing D2 and Appendix D.2. The location of components is based on ship stability, functionality,producibility, and survivability. Most equipment is arranged evenly about the centerline, with one component on theport side of the ship and a second similar component on the starboard side. Components near bulkheads have aminimum clearance of 0.5 meters. The spaces are arranged with the main engines and generators placed first on thelowest level of each machinery room about the centerline with 4.8 meters between them for maintenance
CUVX Design – VT Team 2 Page 77accessibility and 4 meters from the forward transverse bulkhead. In MMR1 there is 1 power generation module(PGM) including diesel engine, generator, generator lube system, engine fuel system, start air system, firesuppression system, bus switchgear, sub base, seawater cooling system, engine lube system, and 1 auxiliary diesel.These are arranged to balance the ship, longitudinally and transversely. The day tanks and settling tanks arearranged along the bulkhead in the lowest level. The sewage treatment machinery and JP-5 system are placed inseparate rooms within the main machinery rooms on the lowest level for safety and sanitation. Next the pumps andladders are arranged on the lowest level in the remaining space with necessary room around each for producibilityand maintenance. The seawater strainers are placed on the lowest flat in between the engines. Most of the largeauxiliary machinery is placed on the 1 st platform. This includes air conditioning plants, refrigeration plants,distillers, brominators, and their associated equipment. These are arranged around the opening for the engines andladders along with an engineer’s operating station and purifier equipment. The purifier equipment is also placedinside a separate room for safety. Sensitive equipment such as switchboards and power conversion modules arelocated on the 2 nd platform away from the bilge. Also on the 2 nd platform are machinery room ventilation fans.MMR2 and MMR3 are arranged in a similar manner. (Auxiliary engines and generators are located on the 1 stplatform of MMR1 and the auxiliary machinery room.)Figure 70 shows the general machinery arrangements in the propulsion motor rooms (PMR1 and PMR2).Drawing D2 shows a complete profile and plan view of PM1 and PM2. The PMRs are separated by a centerlinebulkhead for survivability in the case that one side takes a hit or floods (with care taken to check for the effect ofoff-center flooding). The motors are arranged as close to the forward bulkhead as clearance restrictions allow. Thiskeeps the shaft angle less than 2 degrees. The propulsion power converters are arranged close to the motors. Eachconsists of 3 parallel units, one for each propulsion power bus. The motor control and exciter units are placed nearthe motors and support equipment is arranged in the remaining space.No. Equipment Capacity13 Local Control Panel23 Fire Pump 2000 gpm@ 9 bar35 Power Converter 3 x 5000 kW52 Propulsion Motor 14000 kW@ 117 rpm53 Motor Control54 Motor Exciter67 Propulsion (Line) Shaft 520 mm diameter70 Line Shaft Bearing74 Strut and Stern Tube 1.1 m 3 /hr @ 2 barLube Oil Pump75 Lube Oil Cooler 1.1 m 3 /hr76 Lube Oil Filter 1.1 m 3 /hrFigure 70. Propulsion Motor Room Machinery Arrangements4.9.3 Internal ArrangementsSix space classifications are considered in the internal arrangements: hangar space, machinery rooms, weaponsmagazines, human support, ship support, and mission support. Area and volume estimates for these spaces wereinitially taken from the ship synthesis model and refined in the process of arranging the ship. The arrangements areshown in drawings D3, D4, D5.Hangar decks require the largest area in the ship. The upper three decks of the ship are used primarily foraircraft operations. These decks are located to most easily service, recover and launch aircraft. Hangar deck areasare used to service, store, and prepare aircraft for missions. Hangar decks are interconnected by three aircraftelevators and four weapons elevators. Multiple elevators are used to provide redundancy.
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