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 proceduresmanufacturer's guidelines and specificationsAustralian standardsEmployment and workplace relations legislationEqual Employment Opportunity and Disability Discrimination legislation |
Drying methods may include: | heat process (ambient)air exchangerefrigerated drying |
Auxiliary equipment may be anything that is portable and mobile that is not part of the fixed infrastructure, and may include: | compressorsdistribution control systems (DCS)feedersgantry cranes and attachments and other mobile equipmenthand and power toolshoses PLC systems |
Pre-start checks may include: | availability of equipment (e.g. conveyor)detection of conditions that are unusualpersonnel availabilityjob requirementslevelswalk through plant |
Environmental issues may include: | Drainagedust (dump)emissionsflora and faunahazardous chemicalsnoiserecyclingrun-offspillswaste management and disposalwater quality |
Plant may include: | dryers (spray, kiln, rotary kiln, flash fluid dryers)bag housesheat exchangerburnerslinesgas trainvesselsconveyorsvalves |
Start-up procedures may include the inspection of: | agitatorscameras and monitorsinterlocksdistribution control systemlaundershydraulic systempumping systemscreen inspectionsscuttling pumpspipes and flanges drive beltsvalvesvisual and audio warning devices and lightssuppression systems |
Monitor the drying process may include the checking of: | blockages and spillagesfeed ratesmineral contentmoisture levelson stream analysis (OSA)overloadspressurespower drawwear and tearemission (e.g. cyanide)levels |
Indicator readings may measure: | flowcurrent (e.g. agitators)densitylevelsrestrictionsair flowspressurespeed (e.g. pumps)unusual noisesvibrationspowertemperaturefuel flowsdust levels |
The methods used to optimise the plant may include: | quantity of reagentsoxygen levels |
Clean plant and equipment may include: | hosing with waterhigh pressure cleaning |
Post-shutdown checks may include: | checks similar to pre-start checks |
Contaminants are anything other than the ore. Common contaminants may include: | oilfuelgasesorganic materialsmoisture |
Materials are wet may include: | slurrycakecrushed oreair |