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 manufacturer's guidelines and specifications Australian standards Employment and workplace relations legislation Equal Employment Opportunity and Disability Discrimination legislation |
Legislation may include Acts and regulations dealing with: | mining safety and health mine inspection OHS explosives environment |
Personal protective equipment may include: | helmet safety footwear hearing protection gloves eye/face protection respiratory protection heat resistant clothing |
Site environmental issues may include: | drainage dust and fumes emissions hazardous chemicals noise run-off spills waste management and disposal water quality |
Mould and/or launder system preparation equipment may include: | air chisel burning bars jackhammers hand hammer explosives forklift/crane |
Preparing moulds or launder systems may include: | levelling clamping in place peening and chipping removal of broken lugs checking for wear, straight shaft condition of seals powdering the mould |
Mould and/or launder system faults may include: | moulds not level metal under mould mould bowed or cracked dry slurry insufficient refractory (on launders) burners not operating |
Moulds may include stools, or other launder and ladle systems. | |
Teeming/tapping may include: | up-run down-hill double hole single hole |
Monitoring of cast may include: | launders ladles tun dishes water and slurry sprays correct height of cast in mould checked lug area for slurry build up |
Problems with cast may include: | over/unfilled ladles or moulds build up splash mould hot spots stuck anodes temperature of mould too cold slurry wrong density wheel losing home position wheel inhibited (stops/ stuck) metal incorrect temperature on furnace roll down |
Defective moulds and bottom plates may include: | scrappy top badly cracked wet incorrectly seated cracks excess slurry |
Shutdown procedures may include: | drain casting ladles turn off water, air and slurry sprays/burners blow out moulds flush slurry sprays remove launders release air |
Production documentation may include: | tonnages quality analysis/testing identity tracking |
Services may include: | electricity air water gas fuel oil |
Hazards may include: | rail and road movement cranes molten metal hot materials noise air pollution sharp objects moving machinery heights falling objects gases chemicals |
Raw materials may include those involved in: | mould and stool construction |
Appropriate authority may include: | maintenance engineering personnel management |
Fault and variances may occur in: | product plant equipment |