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SENG2130/6350-Systems Analysis and Design Triple S Emergency Management System Assessment

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Added on: 2023-05-17 05:16:39
Order Code: 490113
Question Task Id: 0
  • Subject Code :

    SENG2130-6350

After years of complaints, communication problems, and slow response, the city of Nuvalis have recentlycombined their various emergency stations into a single, unified emergency control centre located in theheart of the city. The new centre is intended to combine all manual and automatic alerting, communications,and emergency response services for the entire city to support its rapidly growing population. This newcentre has been named 'Triple S' by the city, both as a nod to the 'triple zero' emergency phone number, andasa descriptionofthe combinedservices provided,Sensing,Sending, and Saving.

The Sensing part of the operation involves detecting (or sensing) various conditions that require anemergency response. The three primary ways that this occurs are via phone calls to an emergency phonenumber (000, 112, or 106), broadcasts over an emergency radio frequency (such as VHF channel 16, 121.5MHz, etc) which are usually used for emergencies in remote areas (such as bushland, or the sides ofmountains), on water, and in the air, and alerts from registered sensors (e.g. burglar alarms, smoke detectors,medical alarms, weather stations, etc).

When an alert comes in, the operator will attempt to obtain a location for the emergency, which could bedone by remotely activating the GPS service on a mobile phone, looking up the registered address of alandline phone or sensor, or by radio triangulation. Aside from sensors, the operator will ask for the addressor location of the emergency to obtain or confirm this information. The type of emergency must also beidentified in order to determine the type of dispatch needed, such as police, fire, ambulance, state emergencyservice(SES), bushsearchand rescue (BSAR), portauthority,etc.

Once the location and nature of the emergency have been identified, the second part of the operation isSending. This involves dispatching one or more emergency response services to the location of theemergency. Where multiple services are involved, the operator will also need to co-ordinate communicationsbetween the various services to ensure that everyone has the most current information. In certain cases, a callmay need to be passed onto another service entirely, for example, an aviation emergency will usually need tobe passed onto the air traffic control (ATC) centre responsible for the area the aircraft is located in, or thetower for the nearest airport. The operator will look up this information and alert the relevant ATC of theradiofrequencythe call ison.Aviationemergencies areusuallyhandled byATCinthefirstplace,TripleSin this case simply acts as a backup in case ATC do not quickly respond to a call on the emergencyfrequency.

Triple S maintains a record of all emergency response services, the location of the dispatch centres, numberand type of vehicles and human responders available, as well as a live update of which resources areavailable, and which are currently in use (in for repair, responding to a different emergency, etc). Theoperator may manually choose which dispatch centre(s) to contact for a response or do an automatic searchfor the nearest suitable centre that has available resources. In the case of a human reporter (phone or radioalerts), the operator will remain in contact with the reporter until emergency services have arrived at thelocation. In case of an emergency that crosses city limits into the emergency response zone of another city ortown (e.g., a car chase, a bushfire, etc), the operator will contact all other involved emergency control centrestoshareinformation andco-ordinatetheresponse as needed.

Notallalerts requireahumanoperator. Somesensorshave registeredrulesthatcanbeautomaticallyfollowed without human intervention, for example, a burglar alarm at a bank may have been registered withTriple S with a rule that the nearest police responder should automatically be dispatched. A smoke alarm at abusiness may have been registered with Triple S with a rule that, if the alarm persists for more than fiveminutes, the nearest fire and rescue responder should automatically be dispatched. The registration for allsensors includes an address or location, which is transmitted to the responder automatically where such a ruleis in place.

While most of the Saving is done by the emergency response services, operators can write messages to besent out on local weather alert radio frequencies and send priority alerts to local television stations wherenecessary. These actions are recorded and may be audited later by the manager who acts as the LocalEmergency Operations Controller. As required by law, all operators working for Triple S are members of theNSW Police Force, and their records must be securely stored in the system, accessible only to the manager.This consists not only of basic personal information, but also qualifications, experience, availability, andmedical information (in particular, mental health records have historically proven to be very important tokeep for each operator, as the nature of the job is often stressful, and can at times be distressing). The centremust be constantly staffed 24 hours a day, 7 days a week, and the availability of each operator is used toproduce a roster for this purpose according to the anticipated demand, which fluctuates depending on a widerangeofconditions(forexample,firesaremorelikelytooccurduringwarmer weatherwithlowhumidity).

For auditing purposes, all alerts, dispatches, and actions taken by operators are stored in separate logs, whichcan be accessed and reviewed by the manager. Recordings of all calls, both phone and radio, are also storedforup toseven years.

Objectiveofthesystem

The main objective is to design a unified system that will control all technical and administrative operationsof Triple S.

  1. Theoperatorneedsallinformationattheirfingertips tomake
  2. Safety is a criticalaspectofthisbusiness,as livesareat stakeif asystem erroroccurs.
  3. Themanager requires reports each
  4. Recordsmustbekeptconfidential,only accessiblebyauthorised
  5. The system must be able to receive and report on live data as it comes in, 24/7, with reliability anduptime a priority. One example of live data would be the current availability and location ofdispatchedservices and

Tasks

The system definition above will be used for the two assignments for this course. For this assignment, youwilldesignandproposeanimplementationstrategyforthesystem.Youshouldidentifysystem processesand user requirements. In this assignment you will design the system according to the requirements identifiedin part A, map business rules to your design and construct a model of the system in UML. Specifically, youwilldevelopsequencediagrams, interfacestoryboards,andmap outaclass diagramfor thesolutiondomain.

There are no limits to how far the requirements and analysis might go. However, complexity, coverage andcorrectnessoftheelementswillbetakeninto accountintheassessment of thesubmitted work.

The main Reference list (including but not limited to, any references used for the introduction and businessrulessectionsinparticular)

AssignedTask To Me-FATAI

  1. Complete a sequence diagram, use case description, and user interface design for both of yourusecases as in part

Assigned in Part A: Use Case Assigned are Phone Call Use case and Manual DispatchSelection.

  1. BusinessRulesforOtherLegislationsand
  2. Performariskassessment:Identifyalistand rankingofmajorandminorrisksforthe Rate the likelihood and impact of each risk to determine their severity. Any risks witha high severity should include a mitigation strategy, and an updated rating after the strategy isimplemented.To helpwith thisyoumight liketo consider thefollowingquestions:
  • Whatisariskmatrix?
  • Whatusecasesinvolverisk?
  • Are there any ethical considerations that will need to be considered If so, what arethey?
  • Arethereanyspecial privacy orsecurityconditionsexpected bytheclient?
  • Theriskswillincludetheprojectandyourteam (e.g.cost andscheduleoverruns).
  • Uploaded By : Katthy Wills
  • Posted on : May 17th, 2023
  • Downloads : 0
  • Views : 223

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