1、Designation: F 2446 04An American National StandardStandard Classification forHierarchy of Equipment Identifiers and Boundaries forReliability, Availability, and Maintainability (RAM)Performance Data Exchange1This standard is issued under the fixed designation F 2446; the number immediately followin
2、g the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This classification
3、 is to serve as an international stan-dard for marine equipment nomenclature, taxonomy, hierarchi-cal data structure, unique identifiers, and boundary definitionfor the consistent acquisition and exchange of equipment RAMperformance data. The standard addresses the classification ofmechanical and so
4、ftware products.1.2 RAM in an acronym for Reliability, Availability, boundary; equipment; hierarchy; maintain-ability; maintenance; reliability; ship; shipboard; shipboardequipment; ship reliability; vesselFIG. 1 Object Instantiation Process for Population and Data ExchangeF2446043ANNEX(Mandatory In
5、formation)A1. MECHANICAL AND SOFTWARE PRODUCT CLASS LIBRARYA1.1 See Table A1.1, Table A1.2, Table A1.3, Table A1.4,and Table A1.5.TABLE A1.1 Boundary CriteriaBoundaryCodeBoundary Element Included in Parent? Element Descriptionb_00001 associated valves yes a valve that is required for the proper oper
6、ation of the productb_00002 attached indicating instruments yes an integrated part of the product used for measuring and displayinga variableb_00003 built-in tanks yes an integrated part of the product that is a container used for holdinga liquid or gasb_00004 coils yes one or more turns of wire thr
7、ough which an electric current travelsb_00005 cooling device yes a device used to lower or maintain the temperature of the product orone of its componentsb_00006 electric motors yes a motor that is powered by electricityb_00007 electrical hull fittings yes any hull-attached element that is electrica
8、l in nature and used forthe product (for example, a plug)b_00008 electronic signal cabling dedicated branch circuit only a set of cables used to transport an electronic signalb_00009 filters yes a device through which a gas or liquid is passed in order to removesolids or impuritiesb_00010 flex conne
9、ctions yes a bendable device that joins two internal components of the productor the product with its environmentb_00011 handwheels yes a circular object that is turned to control a quantityb_00012 hull fasteners yes a structural connection between the product and the hullb_00013 hull structural fou
10、ndations no a hull structure that is used as the products foundationb_00014 hydraulic control valves yes a valve that controls the flow of a fluid within an hydraulic deviceb_00015 hydraulic cylinders yes the cylindrical chamber of a device that produces hydraulic energyb_00016 hydraulic pumps and m
11、otors yes a pump and motor assembly used to provide a source of hydraulicenergyb_00017 inserts into structural members yes an integrated part of the product that is inserted into the shipsstructural elementsb_00018 integrated foundations yes the foundation elements that come with the product (for ex
12、ample,support legs)b_00019 label plates yes a piece of paper, metal, or other material that is attached to theproduct to provide information on itb_00020 mechanical hull fittings yes any hull-attached element that is mechanical in nature and used forthe product (for example, a hinge)b_00021 motor co
13、ntrollers yes when not mounted on a groupcontrol switchboarda device that governs an electric motor in some predeterminedmannerb_00022 motor foundations yes the foundation elements of a motorb_00023 non-built in tanks no a liquid or gas container that is required by the product and that isnot an int
14、egrated part of the productb_00024 penetrations into structuralmembersyes an integrated part of the product that penetrates the ships structuralelementsb_00025 pipe hangers yes a device which lends support to a pipeb_00026 pipe markings yes a mark or series of marks on the surface of a pipeb_00027 p
15、iping up to the flanged integral part ofthe unit onlya system of pipes used to carry a fluidb_00028 power supply dedicated branch circuit only a source of electrical energyb_00029 remote indicating instruments no a separate device remotely connected to the product used formeasuring and displaying a
16、variableb_00030 resilient and sound mounts yes a device which lends flexible support to a product in order to reducevibration and minimize noiseb_00031 strainers yes a porous or screen medium used ahead of the product to filter outharmful solid objects and particles from a fluid streamb_00032 valve
17、actuators yes a device used to control the rate of a fluid flow by opening or closinga valveb_00033 wiring dedicated branch circuit only a system of wires used to carry electricityF2446044TABLE A1.2 Mechanical and Software Product Class LibraryClassCodeClass Name Class Description1 ship a large vess
18、el which travels over the seas, rivers, or lakes2 system an assembly of one or more items, with functional and physicalrelationships between them, which performs or can perform aclearly identified function as a whole. A system has both physicaland functional properties.201 accommodation_system a gro
19、up of interacting components designed for the crew andpassenger living quarters202 alarm_system a means of warning to the operator if abnormal operating conditionsare detected in the equipment203 anchoring_and_mooring_system a system designed for securing a ship by attaching it to a fixedobject or a
20、 mooring buoy with chains or lines, or with anchors orother devices.204 azimuth_thruster a propulsor consisting of a propeller driven from a vertical shaft,which rotates about its vertical axis205 ballast_system a system designed to ensure stability by adjusting the list, trim, anddraft of a ship206
21、 brake_system a system that applies friction to a moving surface to slow it down orbringittorest207 cargo_system a system designed to process cargo208 condition_and_monitoring_system a system that records and processes salient operating data fromequipment so that trends in its performance characteri
22、stics can beassessed for appropriate action to avoid failures209 control_and_monitoring_system a device for controlling a process or activity210 data_logging_system a system used to measure and record a set of data over time211 electric_power_distribution_system a system used to provide a black box
23、representation of all shipmachinery electrical transmission systems with limited internaldetails of such systems212 electric_power_generation_system a group of interacting components that generate electric power21201 combined_cycle_plant a plant comprised of a mix of diesel engines, gas turbines, an
24、dsteam turbines21202 diesel_electric_plant an electric power plant which uses only a diesel engine as a primemover21203 gas_turbine_plant an electric power plant that uses only gas turbine engines as primemovers21204 shaft_generator_system a marine electric generator that uses part of the ship main
25、enginesas its prime mover21205 steam_power_plant a power plant that uses a steam turbine for generating electricalenergy213 electrical_system a group of interacting electrical components214 fire_fighting_system a system designed for extinguishing fires21401 carbon_dioxide_system a fire extinguishing
26、 system in which the extinguishing agent iscarbon dioxide21402 halon_system a fire extinguishing system in which the extinguishing agent is halon21403 nitrogen_system a fire extinguishing system in which the extinguishing agent isnitrogen21404 sprinkling_system a system in which water flows through
27、a nozzle that transformswater into a spray pattern of fine droplets215 garbage_and_solid_waste_system a system designed to process garbage and solid waste material216 gland_seal_system a system that provides steam to the labyrinth packing glands locatedat turbine casing penetrations217 hydraulic_sys
28、tem a system composed of machinery and auxiliary components whichfunction to generate, transmit, control, and utilize hydraulic energy218 lifting_system a system designed to carry objects from a lower position to a higherposition219 maneuvering_system a system used to perform planned movement or cha
29、nge from thestraight steady course and speed of a ship220 mechanical_transmission_system a system used to transmit torque at fixed or variable speed betweenprime movers and energy absorbers221 oil_mist_detection_system a system used in the diesel engines to prevent crankcaseexplosions222 piping_syst
30、em a group of interacting piping components22201 air_system a system designed to process air22202 bilge_water_system a system used to drain liquid from machinery-space bilges, tanktops, shaft alleys, and watertight compartments located throughouta vessel22203 bleed_air_system a system designed to le
31、t air escape under controlled conditions froma pipe, tank, or the like through a valve or outlet22204 compressed_air_system a system used to supply compressed air to locations throughout avessel22205 drainage_system a piping system designed to remove water from surfaces orstructures via gravity or p
32、umps22206 exhaust_system a system designed for the escape of gases, fumes, combustionproducts, and odors from a mechanical device or an enclosureF2446045TABLE A1.2 ContinuedClassCodeClass Name Class Description22207 feed_water_system a system used to regulate the flow of water into the steam drum of
33、 aboiler22208 flush_system a system designed to remove lodged deposits of rock fragments andother debris by water flow at high velocity22209 fresh_water_system a group of interacting mechanical and electrical components thatcontrol fresh water22210 fuel_injection_system a group of interacting piping
34、 components that control fuel injection22211 fueling_system a group of interacting piping components that control fuel oil22212 fuel_supply_system a system used to purify, store, and deliver fuel to ship prime moversand auxiliary machinery22213 inert_gas_system a system used to handle inert gas22214
35、 lubrication_system a system used to provide a film of lubricant in order to controlfriction and wear22215 potable_water_system a group of interacting mechanical and electrical components thatproduces, distributes, and control potable water22216 sea_water_system a system that provides sea water to a
36、nother system22217 sewage_treatment_system a system used to separate, modify, remove, and destroyobjectionable, hazardous, and pathogenic substances carried bywastewater in solution or suspension22218 vacuum_system a system used to remove air or gas from an enclosed space22219 ventilation_system a s
37、ystem that provides movement, circulation, and quality control ofair in an enclosed space223 process_system a system that is involved in part of a process22301 air_conditioning_system a system designed for the maintenance of certain aspects of theenvironment within a defined space to facilitate the
38、function of thatspace; aspects controlled include air temperature and motion,radiant heat level, moisture, and concentration of pollutants suchas dust, microorganisms, and gases22303 chemical_treatment_system a system used to treat a fluid by the addition of chemicals22304 combustion_air_system a sy
39、stem used to provide air to a combustion process22305 condensate_system a system designed to transform a gas to a liquid22306 cooling_system a heat transfer system that is used for cooling processed fluids2230601 air_cooling_system a heat transfer system that is used for processing cooled air2230602
40、 water_cooling_system a heat transfer system that is used for reducing the watertemperature22307 demineralizer_system a system designed to remove mineral constituents from water22308 distilling_system a system that distills fresh water from sea water22309 exhaust_gas_treatment_system a system used t
41、o treat exhaust gas by capturing or reducingundesirable emissions22310 filtration_system a system used to filter a gas or liquid in order to remove solids orother impurities22311 heating_system a system used to increase the temperature of a fluid22312 refrigeration_system a system designed for the c
42、ooling of a space or substance belowthe environmental temperature224 propeller_system a system that creates the required thrust for ship movements usinga screw propeller225 propulsion_system a system that produces the required thrust for ship movement usingfuel as the primary energy source22501 elec
43、trical_propulsion_system a system where the propulsor is driven by an electric motor via amechanical transmission system22502 mechanical_propulsion_system a system where the propulsor is driven by a prime mover via amechanical transmissions system226 pump_jet_propulsor a propulsor that accelerates a
44、 large volume of water, drawn in frombeneath the ship, and expels it as a high speed horizontal jet,setting up a sufficient reaction force to propel the vessel227 rudder_system a system comprised of the rudder, shaft, bearings, and associatedcomponents that are part of the ship maneuvering system228
45、 safety_system a means for automatically altering the operating conditions of pieceof equipment in order to prevent damage to it229 starting_system a system used to set a piece of machinery into motion, until it cansustain its motion via its internal processes22901 electric_starting_system a system
46、used to electrically set the machinery into motion, until itcan sustain its motion via its internal processes22902 manual_starting_system a system used to manually set the machinery into motion, until itcan sustain its motion via its internal processes22903 pneumatic_starting_system a system that us
47、es pneumatic pressure to set the machinery intomotion, until it can sustain its motion via its internal processes230 steam_generation_system a group of interacting components that generate steam231 steering_control_mechanism a mechanism used to control the steering of a ship232 steering_system a mea
48、ns for altering the direction of propulsor thrust to control shipdirection of movement233 water_jet_propulsor a machine which takes in water by means of a suitable inlet andducting system and accelerates the mass of water using animpeller and nozzleF2446046TABLE A1.2 ContinuedClassCodeClass Name Cla
49、ss Description234 workshop_system a group of interacting components used for manufacturing andrepairing using machines and tools3 equipment a mechanical product that carries out a generally self containedfunction and to a large extent is treated as a single mechanicalproduct for the purpose of design, acquisition, or operation. Apiece of equipment has both physical and functional properties301 control_equipment a piece of equipment that directs a function of the mechanicalproduct30101 actuator a mechanical control device used to move or control anothermechanical device3010101 electric
