The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment

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

The evidence required to demonstrate competency in this unit must be relevant to worksite operations and satisfy all of the requirements of the performance criteria, required skills and knowledge and the range statement of this unit and include evidence of the following:

knowledge of the requirements, procedures and instructions for application and monitoring of the ventilation management plan

implementation of requirements, procedures and techniques for the safe, effective and efficient application and monitoring of the ventilation management plan

working with others to plan, prepare and conduct application and monitoring of the ventilation management plan

evidence of the consistent successful application and monitoring of the ventilation management plan

Context of and specific resources for assessment

This unit must be assessed in the context of the work environment. Where personal safety or environmental damage are limiting factors, assessment may occur in a simulated environment provided it is realistic and sufficiently rigorous to cover all aspects of workplace performance, including task skills, task management skills, contingency management skills and job role environment skills.

Assessment of this competency requires typical resources normally used in a resources and infrastructure sector environment. Selection and use of resources for particular worksites may differ due to the site circumstances.

The assessment environment should not disadvantage the participant. For example, language, literacy and numeracy demands of assessment should not be greater than those required on the job.

Customisation of assessment and delivery environment should sensitively accommodate cultural diversity.

Aboriginal people and other people from a non English speaking background may have second language issues.

Where applicable, physical resources should include equipment modified for people with disabilities. Access must be provided to appropriate learning and/or assessment support when required.

Method of assessment

This unit may be assessed in a holistic way with other units of competency. The assessment strategy for this unit must verify required knowledge and skill and practical application using more than one of the following assessment methods:

written and/or oral assessment of the candidate's required knowledge

observed, documented and/or first hand testimonial evidence of the candidate's:

implementation of appropriate requirements, procedures and techniques for the safe, effective and efficient achievement of required outcomes

consistent achievement of required outcomes

first hand testimonial evidence of the candidate's:

working with others to undertake and complete the application and monitoring of the ventilation management plan

provision of clear and timely instruction and supervision by the individual of those involved in the application and monitoring of the ventilation management plan

Guidance information for assessment

Consult the SkillsDMC User Guide for further information on assessment including access and equity issues.

Required skills

Specific skills are required to achieve the performance criteria of this unit, particularly for its application in the various circumstances in which this unit may be used. This includes the ability to carry out the following as required to apply and monitor the ventilation management plan:

apply legislative, organisation and site requirements and procedures for application and monitoring of the ventilation management plan

interpret and apply a limited range of mathematical and scientific theorems/laws related to ventilation

collect, collate and interpret ventilation data

interpret and apply ventilation device construction/installation specifications

conduct enquiries/investigations and prepare reports

communicate effectively in the workplace

access, interpret and apply data from monitoring systems and equipment

operate hand-held monitoring equipment

apply risk management processes and techniques

initiate ventilation training

Required knowledge

Specific knowledge is required to achieve the performance criteria of this unit, particularly for its application in the various circumstances in which this unit may be used. This includes knowledge of the following as required to apply and monitor the ventilation management plan:

legislative and statutory requirements for ventilation including air quality, maximum values, control and distribution, flammable gas and dust limits, ventilation fans, gas monitoring, respirable dust limits and inspections and recording/reporting

methods of mine ventilation and their applications/limitations

methods of panel ventilation and their applications/limitations

impact of mining techniques and mine and panel design on ventilation

mine roadways and shafts and their impact on mine ventilation

impact of geological characteristics and seam gradients on mine ventilation design

impacts on the ventilation system of gas drainage, spontaneous combustion, outburst and windblast

mine gases; the types and their characteristics, sources, physiological effects and methods of detection

dust, fumes and other particulate matter; the types, sources, physical and physiological effect and control/mitigation methods

mine fires; the types, sources of ignition, possible effects on the ventilation circuit and prevention/control/mitigation methods

mine explosions; the types, ignition sources, possible effects on the ventilation circuits and prevention/control/mitigation methods

pressure changes; causes, the impacts on the ventilation system, and responses

heat/humidity; the sources and factors which may impact on mine ventilation and personnel

mine fans

ventilation control devices

de-gassing

methods of control

fixed ventilation monitoring systems types, uses and limitations

portable monitoring equipment, types, characteristics, uses and limitations

ventilation management plan development requirements and processes

ventilation surveys including the types, frequency and method for conduct including pressure/quantity/temperature and gas

dust surveys for irrespirable quantity

processes and techniques for determining alarms and trigger points/levels

emergency and disaster plan response

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, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Relevant compliance documentation may include:

legislative, organisational and site requirements and procedures

standards and procedures required to support the ventilation management plan, which may include those for:

construction

action response

permit to work

condition monitoring

auditing

maintenance

document control

atmosphere monitoring

ventilation system control

communication systems

survey procedures

sealing procedures

changes

training and systems recording/reporting

manufacturer's guidelines and specifications

Australian standards

Employment and Workplace Relations legislation

Equal Employment Opportunity and Disability Discrimination legislation

Ventilation management plan may include:

establishing procedures for maintaining optimum mine ventilation including:

hazard identification and quantification

relevant emergency and evacuation procedures

risk assessment

authority and responsibility

controls established to manage identified risks

reporting and communication

document control

audit and review

Ventilation management training applies to:

mine workers

trades people

permanent employees

contractors

mine officials

other relevant special requirements

Mine atmosphere includes:

areas in the general mine district

areas into waste working

goafs in the mine

and may include, but is not limited to:

temperature

gases

humidity

air flow

dust

other particulates

take out areas

Ventilation control device includes:

door

regulator

seal

stopping

air crossings

pressure chambers

other control device to control or direct ventilation flows in a mine, and may include:

doors

regulators

seals

stoppings

air crossings

bulk heads

goaf seals and pressure chambers

air locks

fans

walls/barricades

vent bags

shafts

rises

Defects may include:

inferior design/deterioration of materials

inadequate quality of construction

physical damage

water damage

Water may impact on the mine ventilation management plan through liberation of:

dissolved gases

capture of soluble gases and fumes

gas drainage efficiency

seam moisture infusion or drainage

dust liberation and suppression

large ingresses disrupting ventilation networks

ventilation requirements for pumping stations

influence on sponcom propensity

humidity

hydrostatic pressure