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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 specifications principles and properties of hydronic systems, including: barriers to heat transfer conduction convection heat transfer principles of hydronic circuits principles of pressure and energy related to hydronic systems properties of water steam and gases used for hydronic systems radiation hydronic applications, including: chiller circuits for air conditioning and refrigeration applications concrete floor heating circuits heat removal applications manufacturing and industrial applications room heating circuits for residential, commercial and industrial heating applications timber floor heating circuits sizing 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 specifications builder specifications interpretation and application of mechanical services drawings and symbols owner requirements specialist 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 titling Australian and New Zealand standards Building Code of Australia industry standards. |
Manufacturer requirements include: | sizing tables specifications technical and trade manuals. |
Desktop study includes collection and interpretation of existing data for design purposes from: | architectural and building plans council plans developer plans other documents, including: applications forms other 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 principles should not unduly affect building integrity and aesthetic appeal should have principles of economy, serviceability, durability and fit for use applied. |
Fittings and valves include: | bends couplings flow and isolating valves pressure tees thermostats unions. |
Pipe size requirement calculations include: | energy flow and velocity pressure sizing temperature volume and storage. |
System components and circuits include: | boilers, including: advantages and disadvantages of boiler types capacity and size coal electric energy sources fire tube gas heat exchanger methods of reducing heat losses oil packaged pressure controls and components solid fuel valves water tube factors to be considered when selecting a boiler hydronic circuit, include: circulating pump appliances flow and return pipework pipework grades valves and fittings cooling towers, including: bacteriological safety collection construction disinfection fans maintenance size sprays chillers and refrigerant plant, including: engineered systems packaged plants proprietary commercial and industrial equipment and assemblies hydronic appliances, including: calorifiers components concrete construction electronic controls heat exchangers methods of temperature and pressure control radiators timber floor heating systems types water heaters. |
Pump and compressor systems include: | chilled water pumps circulating pumps refrigeration compressors other applications as required. |
Insulation includes: | felt fibreglass insulation protection, including: plastic. sheet metal rock wool. |
Pipe fixings include: | anchors bracket spacing corrosion protection hanging brackets material requirements saddles wall and ceiling brackets. |
Materials include: | copper steel other approved materials. |
Jointing methods include: | brazing mechanical joints threading. |
Installation requirements include: | clipping installation details jointing requirements level of workmanship. |
Plans include: | axonometrics cross-sections details elevations isometrics schematics, which may be produced using: pencil Indian ink pigment liner computer generation sections. |
Specification includes: | appliances clipping details of specialised components jointing manufacturer requirements materials valves workmanship. |
Testing includes: | flow testing inspection checklist leak testing pressure testing quality assurance (QA) audit. |
Commissioning schedule includes: | checking fit for purpose checking for burrs and obstructions commissioning appliances purging system removing contaminants. |
Operation and maintenance manual includes: | check for blockages leak detection regular inspection regular maintenance requirements. |