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Elements and Performance Criteria

  1. Coordinate fire investigation
  2. Identify, assess and collect circuitry components and appliances
  3. Arrange for tests on electrical evidence collected
  4. Interpret and record findings

Required Skills

This describes the essential skills and knowledge and their level required for this unit

Required Skills

analyse expert findings

apply methods techniques and equipment for handling and storing evidence

apply principles of investigation based on scientific method

identify potential ignition sources and process of elimination

package label and store evidence for transport

preserve and avoid damage or contamination of evidence

research product information such as price product recall manufacturers information

undertake an external and internal assessment of scene

use information technology to access and enter internal and external information and data

use visual and electric recording equipment

Required Knowledge

agreed protocols agency procedures legal regulatory or organisational stated procedures and requirements for the investigation of incidents involving fire

basic circuit diagrams and electrical plans relating to electric components and equipment

laboratory or specialist testing sequence of electrical items

OHS legislation and its application

operation of electricalelectronic equipment and appliances

procedures for conducting excessive heat stress tests on electrical equipment and appliances

relevant Australian Standards and international standards relating to electrical installations and appliances

rules of evidence

Evidence Required

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessment must confirm the ability to

methodically examine fire scenes in which electrical installations may have a potential relationship

demonstrate knowledge of basic electrical circuitry

apply relevant laws legislation codes of practice and relevant standards to fire investigation

document findings identifying components of electrical equipment prior to and post fire and relationships or not to any possible electrical causes of ignition to a fire scene

Consistency in performance

Competency should be demonstrated over time and across a range of workplace andor simulated situations

Context of and specific resources for assessment

Context of assessment

Competency should be assessed in the workplace or in a simulated workplace environment

Specific resources for assessment

Access is required to

various electrical circuitry electrical equipment and appliances

fire scene or simulation

electrical circuitry electrical equipment and appliances damaged by electrical faults which resulted in fire

legislation policy procedures and protocols relating to gathering and managing evidence

case studies and workplace scenarios to capture the range of offences likely to occur for which evidence needs to be gathered and managed

Guidance information for assessment

Assessment methods suitable for valid and reliable assessment of this unit may include a combination of

case studies

demonstration

observation

questioning

scenarios

authenticated evidence from the workplace


Range Statement

The Range Statement relates to the Unit of Competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording in the Performance Criteria is detailed below.

Agencies may include:

Coroner

Electrical authorities

Forensic scientists

Gas authorities

Industry peak bodies

Insurance investigators, assessors and construction companies (to ‘make safe’ properties)

Other statutory authorities

Police investigators

Support personnel may include:

Government and private forensic chemists

Insurance investigators and assessors

Local knowledge

Statutory bodies

Fire scene may include:

Cable insulation

Circuit and component failure

Circuit mapping

Components

Evidence electrical tracking

Flame propagation in hazardous locations

Operation of protective devices

Wire overheating

Electrical circuitry includes:

Design

Installations

Overload protection

Power supply

Resistance

Short circuit/fault currents

Voltage – current – kilowatts in different appliances

Electrical equipment and appliances may include:

Electronics

Fans

Heaters

Installed wiring

Kitchen appliances such as toaster, electric kettle, microwave

Lights and fittings

Motors and switch gear

Socket outlets and switch gear

Electrical circuitry components, equipment and appliances of evidential value must be protected from:

Contamination

Damage

Destruction

Spoliation

Unauthorised removal