Unit of competency details

PUASAR005B - Undertake confined space rescue (Release 1)


Usage recommendation:
Is superseded by and equivalent to PUASAR025A - Undertake confined space rescueNew unit Unit is based on PUASAR005B Undertake confined space rescue Pre-requisite removed Unit updated to reflect current work requirements Units are equivalent 10/Feb/2011

ReleaseRelease date
1 1 (this release) 09/Feb/2011

Qualifications that include this unit


SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 091105 Police Studies  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 091105 Police Studies  03/Sep/2009 
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Modification History

Not applicable.

Unit Descriptor

Unit Descriptor 

This unit covers the competency to undertake rescue in confined spaces as defined in AS2865 as a member of a single agency or multi-disciplinary team.

Application of the Unit

Application of the Unit 

The application of this unit in the workplace - the environments, complexities and situations involved - will be written during Phase II of the Review of the PUA00 Public Safety Training Package.

This text will be useful for the purposes of job descriptions, recruitment advice or job analysis; where possible, it will not be too job specific to allow other industries to import it into other Training Packages, where feasible.

Licensing/Regulatory Information

Not applicable.


Prerequisite Unit /s 

PUASAR001B Participate in a rescue operation

Employability Skills Information

Employability Skills 

This unit contains employability skills.

Elements and Performance Criteria Pre-Content

Elements describe the essential outcomes of a Unit of Competency.

Performance Criteria describe the required performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the Required Skills and Knowledge and/or the Range Statement. Assessment of performance is to be consistent with the Evidence Guide.

Elements and Performance Criteria



1. Prepare for confined space rescue operation 

1.1 Operation and task information is obtained and analysed

1.2 Rescue equipment  is selected based on incident information and cross-checked to ensure it is ready for use

1.3 Personal protective equipment  is selected relevant to the nature of the confined space rescue operation

2. Assess and manage confined space /trench rescue 

2.1 Physical features of confined space rescue scene are assessed before deploying rescue resources

2.2 Rescue is managed to control access and maintain a safe and effective operational environment

2.3 Hazards  are assessed, minimised and controlled

2.4 Communication with other personnel  on site is established and maintained

3. Determine location and condition of casualties 

3.1 Assessment is undertaken of incident scene to determine possible location of casualties

3.2 Appropriate equipment is used to assist in the location of casualties

3.3 Evidence of location within confined space  is collected and reported

3.4 The condition of casualties and nature of entrapment is ascertained where possible

3.5 Hygiene procedures are applied in accordance with the organisation's procedures

4. Gain entry to confined space 

4.1 Entry permit is located and relevant information obtained if available

4.2 Atmosphere is monitored in accordance with AS2865

4.3 Appropriate ventilation procedures are implemented, where required

4.4 Appropriate respiratory protection is used in irrespirable atmospheres, where required

4.5 Techniques and equipment are employed to access the casualty

4.6 Located casualties are treated in consultation with medical personnel and in accordance with organisational policies

5. Remove casualties 

5.1 Casualties are removed in accordance with organisation's procedures

5.2 Appropriate actions are taken to preserve the incident scene , where possible

6. Conclude rescue operations 

6.1 Equipment is recovered, cleaned and serviced according to organisational standards and manufacturer's guidelines

6.2 Signs and symptoms of operational stress are recognised and promptly reported

6.3 Operational documentation  is completed to organisational standards

Required Skills and Knowledge


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

Required Skills 

  • lowering and hauling systems
  • operation of atmospheric monitoring equipment
  • operation of isolation systems
  • operation of lifting
  • operation of self contained breathing apparatus and airline equipment
  • operation of ventilation equipment

Required Knowledge 

  • disaster victim identification procedures
  • lock, tagout and isolation procedures
  • potential occupational hazards and control measures
  • procedures for atmospheric monitoring
  • working knowledge of content of AS2865
  • AS1715

Evidence Guide


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

It is essential for this unit that competence be demonstrated in extrication of casualty, minimising further injury to self and others

Consistency in performance 

Evidence should be gathered over a period of time in a range of actual or simulated workplace environments

Context of and specific resources for assessment 

Context of assessment 

Evidence of competent performance should be obtained by observing an individual in an actual or simulated rescue context

Specific resources for assessment 

Assessment of this competency requires access to an appropriate training location/venue; and organisation's resource equipment and personnel for team based activities

Resource requirements must meet AS2865

Guidance information for assessment 

Information that will assist or guide assessment will be written during Phase II of the Review of the PUA00 Public Safety Training Package.

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.

Confined space is defined as 

Per AS2865 definition:

Confined space - an enclosed or partially enclosed space which is at atmospheric pressure during occupancy; is not intended or designed primarily as a place of work; may have restricted means for entry and exit; and may have an atmosphere which contains potentially harmful levels of contaminant; not have a safe oxygen level; or cause engulfment

Confined spaces may include but are not limited to 

Storage tanks

  • tank cars
  • process vessels
  • boilers
  • silos

and other tank-like compartments usually having only a man-hole for entry

Open topped spaces such as pits or degreasers


  • sewers
  • tunnels
  • shafts and ducts and similar structures

Any shipboard spaces entered through a small hatchway or access point

  • cargo tanks
  • cellular double bottom tanks
  • duct keels
  • ballast and oil tanks
  • and void spaces but not including dry cargo holds

Natural features such as caves and pits

Rescue equipment may include 

life rescue line


tripods/edge management



hauling systems


self-contained breathing apparatus/airline

airline equipment

atmospheric monitoring equipment

escape sets and harnesses

isolation equipment

ventilation equipment

Situational or environmental hazards may include 

dangerous goods or hazardous substance

moving machinery either electrical or mechanical

heat exhaustion or hypothermia

oxygen enrichment

oxygen deficiency

atmospheric contaminants (such as hydrogen sulphide

methane and carbon dioxide)

swift water

sewers and stormwater canals

falls from heights or into depths

Personal protective equipment may include 



safety glasses

hearing protection aids

chemical splash suit/fully encapsulated gas-tight suits

atmospheric monitoring equipment

self-contained breathing apparatus


Recognised removal techniques may include 




mechanical advantage systems

Operational documentation may include 

entry permits

tally boards

entry control procedures

air monitoring procedures

equipment and rope logs


exposure records

Personnel may include 

agency support

on-site staff

emergency services workers

local/state/territory government authorities

Scene preservation may include 

preservation of evidence and related legal requirements

Evidence collected may include 

entry permit

permit to work

information received from bystanders

witnesses and emergency services personnel

Unit Sector(s)

Not applicable.

Corequisite Unit/s

Co-requisite Unit /s 

PUAFIR307B Monitor hazardous atmospheres (Fire specific)