Unit of competency Outline

Date retreived
22/07/2026 4:52 PM AWST

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Prepare explosives for metal hardening

Prepare explosives for metal hardening

Unit of competency
National Code
DEFEXO149
State Code
AVR51
TGA Status
Current
DTWD Status
Approved
Current Release Number
2.00
Current Release Date
26/10/2020
View on TGA
State Implementation and Classification
Approved Date
05/08/2016
Field of Education
039999 - Engineering And Related Technologies, N.e.c.
Original Release Date
05/08/2016
Nominal Hours
0
Description
This unit describes the skills required to prepare explosives for metal hardening. Metal hardening using sheet explosives is a specialised application of explosives and is used to harden metals such as rail points.This unit was developed for personnel who are specialists working within proof and trials organisations, but may be applicable to any individual in this field of work.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 independently or as part of a team under indirect supervision. They would use discretion and judgement, and take responsibility for the quality of their output. They would conduct routine tasks in known contexts.No licensing, legislative or certification requirements apply to unit at the time of publication.
Notes
Elements and Performance Criteria
1 Identify metal hardening requirements
  • 1.1 Read and clarify metal hardening instructions
  • 1.2 Acquire required resources and check for serviceability
  • 1.3 Identify explosives to meet measured hardening requirements
  • 1.4 Identify and prepare templates used in association with the cutting of the sheet explosives
2 Prepare sheet explosives
  • 2.1 Monitor and adhere to environmental requirements
  • 2.2 Prepare explosives within proof or trial parameters
  • 2.3 Maintain records throughout the process to ensure traceability of preparation activities
  • 2.4 Inspect sheet explosives to ensure serviceability and safety
  • 2.5 Cut and label sheet explosives to the required length and shape
  • 2.6 Prepare sheet explosives for transport to the range
3 Prepare detonators
  • 3.1 Identify detonators
  • 3.2 Check detonators for continuity and repack for transport
4 Finalise activity
  • 4.1 Return to store or dispose of excess explosives
  • 4.2 Make area safe
  • 4.3 Maintain documentation appropriate to the task
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