Qualification
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Unit of Competency
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DEFEXO111 - Conduct underwater explosive demolitions |
Description
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Employability Skills
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Learning Outcomes and Application
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This unit describes the skills required to conduct explosive demolitions in an underwater environment. The unit also covers the conduct of maintenance on the established demolition circuits and includes the requirement to disarm and disassemble the demolition. The individual is also required to handle, transport and protect explosives in an underwater environment.This unit applies to those required to assemble and disassemble firing circuits, and to fix detonators, primers, firing devices and explosive charges in accordance with the demolition supervising officer’s plan in an underwater environment.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to.Those undertaking this unit would work individually and as part of a team, under indirect supervision. They would use discretion and judgement and take responsibility for the quality of their outputs, conducting routine tasks in a range of complex contexts that could be unpredictable.No licensing, legislative or certification requirements apply to unit at the time of publication. |
Duration and Setting
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X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting. Assessors must hold credentials specified within the Standards for Registered Training Organisations current at the time of assessment. Assessment must satisfy the Principles of Assessment and Rules of Evidence and all regulatory requirements included within the Standards for Registered Training Organisations current at the time of assessment. Assessment must occur in workplace operational situations. Where this is not appropriate, assessment must occur in simulated workplace operational situations that reflect workplace conditions. Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate. Resources for assessment must include access to: a range of relevant exercises, case studies and/or simulations acceptable means of simulation assessment applicable documentation, including workplace procedures, regulations, codes of practice and operation manuals relevant materials, tools, equipment and PPE currently used in industry. | |
Prerequisites/co-requisites
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Competency Field
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Explosive Ordnance |
Development and validation strategy and guide for assessors and learners
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Student Learning Resources
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Handouts Activities
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Slides PPT
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Assessment 1
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Assessment 2
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Assessment 3
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Assessment 4
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Elements of Competency
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Performance Criteria
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Element: Prepare for underwater demolitions | - Analyse work task and worksite data to determine the specific requirements for the explosive demolition.
- Develop a work plan consistent with the dive plan.
- Select, inspect and prepare explosives, associated equipment and protective equipment.
- Secure explosives and associated equipment to/from the dive site.
- Assess access obstructions and other hazards and take action to remove/reduce the risk.
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Element: Conduct underwater demolition | - Secure explosives and associated equipment on self.
- Establish work-safe area at the demolition site and confirm location of divers prior to commencing demolition task/s.
- Identify and manage hazards relevant to the application of explosives and associated equipment.
- Fix and place demolition charges, lay line, set timing devices, establish firing point and connect and test circuit.
- Confirm location and safety of personnel prior to firing the demolition charge.
- Fire demolition charge.
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Element: Conduct post-demolition procedures | - Minimise environmental impact from use of explosives and recover waste products.
- Disassemble demolition circuit.
- Recover, de-service and store for re-use explosives and associated equipment, or dispose.
- Record usage of explosives and associated equipment.
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Element: Prepare for underwater demolitions | - Analyse work task and worksite data to determine the specific requirements for the explosive demolition
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Element: Develop a work plan consistent with the dive plan | | | | | | | | |
Element: Select, inspect and prepare explosives, associated equipment and protective equipment | | | | | | | | |
Element: Secure explosives and associated equipment to/from the dive site | | | | | | | | |
Element: Assess access obstructions and other hazards and take action to remove/reduce the risk | | | | | | | | |
Element: Conduct underwater demolition | - Secure explosives and associated equipment on self
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Element: Establish work-safe area at the demolition site and confirm location of divers prior to commencing demolition task/s | | | | | | | | |
Element: Identify and manage hazards relevant to the application of explosives and associated equipment | | | | | | | | |
Element: Fix and place demolition charges, lay line, set timing devices, establish firing point and connect and test circuit | | | | | | | | |
Element: Confirm location and safety of personnel prior to firing the demolition charge | | | | | | | | |
Element: Fire demolition charge | | | | | | | | |
Element: Conduct post-demolition procedures | - Minimise environmental impact from use of explosives and recover waste products
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Element: Disassemble demolition circuit | | | | | | | | |
Element: Recover, de-service and store for re-use explosives and associated equipment, or dispose | | | | | | | | |
Element: Record usage of explosives and associated equipment | | | | | | | | |