SKILLS PORTAL

ព្រះរាជាណាចក្រកម្ពុជា · KINGDOM OF CAMBODIA

Cambodian Skills Delivery Model

SEAL National Course Catalogue · MLVT / National Training Board

Sector Frameworks

1,164

Qualifications

15,161

Competency Units

10,938

Elements

41,782

Learning Outcomes

2,822

Assessment Packages

Prepare and use explosives

KHU-AGR-0250

Australian Equivalent

AHCEXP303

Elements

Learning Outcomes

This unit of competency describes the skills and knowledge required to prepare a blasting site and notify stakeholders of blasting work, mix explosives, detonate explosives using fuses, and render the blast site safe following legislative, regulatory and workplace procedures. The unit applies to individuals who work under broad direction and take responsibility for their own work. This includes using discretion and judgement in the selection and use of available resources for blasting. State or territory licensing, legislative or certification requirements apply in some jurisdictions. Users are advised to check with the relevant regulatory authority.

Elements & Learning Outcomes

E1Prepare for blasting

0250.E1.O1Obtain permits/licences and approved warning signs installed and prominently displayed according to legislative requirements

0250.E1.O2Notify property manager, neighbours and controlling authority and other stakeholders of blasting plan and timing according to legislation

0250.E1.O3Clear blast site of stones and other potential missiles and ensure the site is made safe

0250.E1.O4Place explosive products at required safety distance from identified hazards

0250.E1.O5Prepare holes for charge(s) according to blasting plan

0250.E1.O6Remove equipment used for preparing holes to prescribed safe distance according to Australian Standards, legislation and regulations

E2Prepare explosives

0250.E2.O1Calculate quantities of explosive components required to achieve the desired blast for prevailing conditions

0250.E2.O2Transport explosives or explosive mix to site according to workplace health and safety procedures and legislative requirements

0250.E2.O3Calculate the precise explosive components to ensure minimum residual mix to be destroyed

0250.E2.O4Prepare explosives according to defined recipe and requirements according to workplace procedures

0250.E2.O5Assemble fusing and detonating components for explosive requirements in preparation for blasting

E3Place charges

0250.E3.O1Place or pack explosives elements in prepared holes according to safe working procedures, Australian Standards, legislation and regulations

0250.E3.O2Stem and tamp holes prior to the attachment of the firing system according to blasting requirement and safety procedures

0250.E3.O3Check electrical firing circuits or fire fuses for continuity and/or earthing

0250.E3.O4Clear extraneous materials from blast site to safe distances in accordance with workplace standards

0250.E3.O5Re-check blast site and surrounds to ensure that non-essential personnel are not endangered

0250.E3.O6Place blasting mats or other control devices according to blasting plan

0250.E3.O7Guard blast area according to legislative requirements and workplace procedures

E4Fire charges

0250.E4.O1Implement prescribed warning notification procedures according to workplace procedures and industry standards

0250.E4.O2Re-check blasting site to ensure correct placement of explosives and all safety procedures have been implemented according to supervisor or shot firer instructions

0250.E4.O3Implement audible and visual warning signals according to workplace safety procedures

0250.E4.O4Initiate firing procedures using manual or electric firing system according to blasting plan

E5Conduct post-firing procedures

0250.E5.O1Ensure misfires are identified prior to all-clear signals being given by count charges during firing procedure or inspection of blast site

0250.E5.O2Implement misfire procedures according to workplace and regulatory requirements

0250.E5.O3Ensure site is safe and all-clear signal is given according to industry practice and legislative requirements

0250.E5.O4Discard, destroy or store surplus, unserviceable and defective explosives and detonators according to workplace and environmental procedures

0250.E5.O5Maintain records according to workplace and legislative requirements