10 CFR 50.71(e) - Maritime Administration - U.S. Department of ...

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Updated Final Safety Analysis Report – (STS-004-002)Beginning at the bow, the compartments and spaces between transverse bulkheads are as shown inTable 2-2.Table 2-2Compartment UtilizationSpace Length (feet) AssignmentFore Peak 28 Tank and storeroomsHold 1 50 General cargo and deep tankHold 2 55 General cargoHold 3 55 General cargoHold 4 55 General cargoReactor space 60 Containment vessel, reactor compartment,storerooms and stabilizersEngine room 55 Engine room and control roomHold 5 50 StoreroomsHold 6 57.5 General cargoHold 7 47.5 General cargoAft peak 32 Tank, steering gear and storeroomsThe hull is built on a transverse framing system except for the inner bottom, which is a combinationof transverse and longitudinal framing specially stiffened below the reactor compartment. The innerbottom is also subdivided into tanks for carrying liquid ballast, diesel oil, steam generator (boiler)feedwater, fresh water and low-level radioactive liquid wastes.2.2.2 Deck ArrangementsThe ship has three complete decks (A, B and C) with platform decks at various levels. A promenadedeck extends over the A-deck for about one-third of the ship’s length.The NSS’s streamlined superstructure is set sufficiently aft to permit access to the reactor systemcontainment vessel through the forward promenade deck for refueling. The forward weather deckaccommodates the hatches for cargo holds 1, 2, 3 and 4. Each hold was served by two cargo booms.Holds 1 and 2 were served by 8-ton cargo booms and holds 3 and 4 by 10-ton cargo booms. Theeight booms were operated in groups of four from two A-frame supporting structures withoutriggers.Aft of the superstructure a third cargo gear A-frame accommodates four 10-ton booms that servedholds 6 and 7. Cargo hatch covers are set in coamings on A-deck and were hydraulically operatedfrom local stations at each hatch.All of the cargo handling equipment is deactivated, disabled and performs no active function.The uppermost or navigation bridge deck served a dual purpose. The pilothouse is located on theforward end and the radio room is slightly aft to the starboard. The chart room is on the port sideoutboard of the gyrocompass room. The balance of the navigation bridge deck provided berthingspace for the radio operator and is the location of two fan rooms, a battery room and the emergencygenerator room.Rev. VI 20
Updated Final Safety Analysis Report – (STS-004-002)The NSS’s pilothouse and navigation bridge were laid out to obtain the maximum visibility throughthe widest possible angle (almost 180 degrees). The pilothouse was equipped with the latestavailable navigation and communication equipment for a ship of its generation. The navigationcontrol console housing all normal pilothouse instrumentation was situated near the forward end ofthe house and on the center-line. The magnetic compass was of the reflecting type and was the firstof this type to be manufactured in the United States. The pilothouse also houses the control consolefor the anti-roll stabilizers which are installed on and above the inner bottom tank top levelamidships. All of the navigation equipment is deactivated, disabled and performs no active function.The boat deck, just below the bridge, is almost entirely occupied with officers’ accommodations. Anofficers’ lounge located on the after end of the deck afforded observation on either side of the ship.Various public rooms and other spaces are located on the promenade deck. The forward portion is aweather deck containing the main hatch over the reactor compartment. Between the sloped front ofthe deckhouse and the main lounge, there is an enclosed passageway extending outboard athwartshipfrom the centerline. This passageway also extends along both sides of the ship outboard of the innerhouse and is called the promenade.2.2.3 Space ArrangementAs seen in Figure 2-1, the ship’s power plant is located in the two amidships compartments (reactorspace and engine room) which lie between frames 99 and 148.Components of the reactor system are located in the reactor space. Most of the components areinside the containment vessel. The engine room contains all of the propulsion system equipment bywhich high pressure steam was converted to power. The engine room also contained the main andauxiliary electrical generating systems and most of the other plant auxiliary systems.The main control room for the entire power plant is located on the 20-foot flat at the after end of theengine room. All operations for starting and controlling the power plant were executed from thisroom. Almost all measurements, conditions and events in the reactor and propulsion systems weremonitored and logged in this room and all power plant maintenance operations were supervised fromit.2.3 Navigation and Steering Equipment2.3.1 Navigation EquipmentAll of the navigation equipment is deactivated, disabled and performs no active function.2.3.2 Steering GearThe steering gear is mechanically locked to keep the rudder centered during towing operations. Itperforms no active function.2.4 Fire Detection and Control SystemA limited number of portable fire extinguishers and fire axes are located on the ship. Fire detectors alarmat a continuously manned monitoring center as described in Section 2.11. The detectors also alarmvisibly and audibly at the ship.2.4.1 Fire Detecting SystemThe originally installed fire detecting system is deactivated, disabled and performs no active function.Rev. VI 21
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10 CFR 50.71(e) - Maritime Administration - U.S. Department of ...

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