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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. |
Scope of work includes: | interpretation of plans and specificationsprinciples and properties of hydronic systems, including:barriers to heat transferconductionconvectionheat transferprinciples of hydronic circuitsprinciples of pressure and energy related to hydronic systemsproperties of water steam and gases used for hydronic systemsradiationhydronic applications, including:chiller circuits for air conditioning and refrigeration applicationsconcrete floor heating circuitsheat removal applicationsmanufacturing and industrial applicationsroom heating circuits for residential, commercial and industrial heating applicationstimber floor heating circuitssizing and documenting layout of hydronic heating and cooling systems for residential, commercial or industrial applications for either new projects or an existing structure being renovated, extended, restored or maintained. |
Design requirements include: | architectural specificationsbuilder specificationsinterpretation and application of mechanical services drawings and symbolsowner requirementsspecialist hydronic applications. |
Cost-benefit analysis includes: | comparison of range of suitable materials and system choices available to enable cost-effective choices to be made without compromising integrity of project. |
Statutory and regulatory requirements and Australian and New Zealand standards include: | Acts, regulations and local and state government policies, including group and strata titlingAustralian and New Zealand standardsBuilding Code of Australiaindustry standards. |
Manufacturer requirements include: | sizing tablesspecificationstechnical and trade manuals. |
Desktop study includes collection and interpretation of existing data for design purposes from: | architectural and building planscouncil plansdeveloper plansother documents, including:applicationsformsother reports as available. |
Performance requirements include: | hydronic heating and cooling system requirements, including temperature and safety requirements, established using Australian and New Zealand standards and manufacturer information. |
Layout of pipework systems: | includes compliance with hydronic principlesshould not unduly affect building integrity and aesthetic appealshould have principles of economy, serviceability, durability and fit for use applied. |
Fittings and valves include: | bendscouplingsflow and isolating valvespressureteesthermostatsunions. |
Pipe size requirement calculations include: | energyflow and velocitypressuresizingtemperaturevolume and storage. |
System components and circuits include: | boilers, including:advantages and disadvantages of boiler typescapacity and sizecoalelectricenergy sourcesfire tubegasheat exchangermethods of reducing heat lossesoilpackagedpressure controls and componentssolid fuelvalveswater tubefactors to be considered when selecting a boiler hydronic circuit, include:circulating pump appliancesflow and return pipeworkpipework gradesvalves and fittingscooling towers, including:bacteriological safetycollectionconstructiondisinfectionfansmaintenancesizesprayschillers and refrigerant plant, including:engineered systemspackaged plantsproprietary commercial and industrial equipment and assemblieshydronic appliances, including:calorifierscomponentsconcrete constructionelectronic controlsheat exchangersmethods of temperature and pressure controlradiatorstimber floor heating systemstypeswater heaters. |
Pump and compressor systems include: | chilled water pumpscirculating pumpsrefrigeration compressorsother applications as required. |
Insulation includes: | feltfibreglassinsulation protection, including:plastic.sheet metalrock wool. |
Pipe fixings include: | anchorsbracket spacingcorrosion protectionhanging bracketsmaterial requirementssaddleswall and ceiling brackets. |
Materials include: | coppersteelother approved materials. |
Jointing methods include: | brazingmechanical jointsthreading. |
Installation requirements include: | clippinginstallation detailsjointing requirementslevel of workmanship. |
Plans include: | axonometricscross-sectionsdetailselevationsisometricsschematics, which may be produced using:pencilIndian inkpigment linercomputer generationsections. |
Specification includes: | appliancesclippingdetails of specialised componentsjointingmanufacturer requirementsmaterialsvalvesworkmanship. |
Testing includes: | flow testinginspection checklistleak testingpressure testingquality assurance (QA) audit. |
Commissioning schedule includes: | checking fit for purposechecking for burrs and obstructionscommissioning appliancespurging systemremoving contaminants. |
Operation and maintenance manual includes: | check for blockagesleak detectionregular inspectionregular maintenance requirements. |