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Elements and Performance Criteria

  1. Prepare for trench rescue operation
  2. Assess and manage a trench rescue scene
  3. Stabilise the trench
  4. Locate and gain entry into a collapsed trench
  5. Remove casualties
  6. Conclude rescue operations

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the Performance Criteria Required Skills and Knowledge the Range Statement and the Assessment Guidelines for this Training Package

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

Assessment must confirm the ability to

shore prop and shield

recognise further signs of trench collapse

apply safe work practices

extricate casualty minimising further injury to self or others

Consistency in performance

Competency should be demonstrated over time in a range of actual andor simulated workplace environments

Context of and specific resources for assessment

Context of assessment

Competency should be assessed in an industryapproved simulated andor workplace environment involving trench rescues using a range of equipment

Specific resources for assessment

Access is required to

appropriate locationvenuetrench

organisational rescue equipment

personnel for teambased activities

Method of assessment

In a public safety environment assessment is usually conducted via direct observation in a training environment or in the workplace via subject matter supervision andor mentoring which is typically recorded in a competency workbook

Assessment is completed using appropriately qualified assessors who select the most appropriate method of assessment

Assessment may occur in an operational environment or in an industryapproved simulated work environment Forms of assessment that are typically used include

direct observation

interviewing the candidate

journals and workplace documentation

third party reports from supervisors

written or oral questions


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.

Personal protective equipment may include:

breathing apparatus/airline

gloves

hearing protection aids

helmets

safety glasses

safety lines

spillage/hazmat clothing

Trench is defined as:

specified in state/territory legislation

Trench rescue equipment may include:

atmospheric monitoring

excavating equipment

hand tools

pumps

shoring shields and propping equipment

ventilation equipment

Scene management may include:

establishing and monitoring safety zones

establishing barriers and perimeter access controls

liaising with medical services

managing bystanders and media

preserving evidence

Situational and environmental hazards may include:

exposure to toxic, biological or substance

falls from heights or into depths

further trench collapse

heat exhaustion or hypothermia

moving machinery either electrical or mechanical

tides

vibrations from external sources

water

weather

Recognised removal techniques may include:

propping

shielding and excavating

shoring

Operational documentation may include:

field notes

incident reports

legislation

notebooks, logbooks

organisational policies and procedures

post operational report

related legal requirements