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: | must include:documenting layout of sound attenuated hydraulic services, including reduction of noise transfer for residential, commercial and industrial applicationsinterpreting plans and specificationsmay be for new projects or an existing structure being renovated, extended, restored or maintained. |
Design requirements must include: | architectural plansbuilding specificationsacoustic performance of fixtures, fittings and equipmentbuilding construction materialsfire rating of penetrationsowner requirementspipe enclosurespipework identificationspecialist applications. |
Cost-benefit analysis: | compares the range of suitable materials and system choices available to enable cost-effective choices to be made without compromising integrity of projectmay include:design stylesenergy costsexpected design lifelabour costsmaterial costssafety factorsspeed of installationsuitable materialssystem choices. |
Statutory and regulatory requirements and Australian standards may include: | Acts, regulations and commonwealth, state or territory, and local government requirementsNational Construction CodeAS/NZS3500 National plumbing and drainage AS2200 Design charts for water supply and sewerageother relevant Australian standards. |
Manufacturer requirements may include: | analysis of sound transmission valuesacoustic performance of fixtures, fittings and equipmentspecificationstechnical and trade manuals. |
Desktop study may include collection and interpretation of data for design purposes in: | architectural and building plansdeveloper plansmanufacturer datadocuments, which may include:applicationsbrochuresformspoliciesother reports as available. |
Performance requirements may include: | flow, velocity, pressure and discharge requirements established using relevant Australian standards, codes and local government authority plansnoise rating of habitable areas. |
Noise generation must include: | acoustic performance of fixtures, fittings and equipmenthigh velocityhigh pressurelinking of building compartments by pipeworkloose pipeworkpumped hydraulic systemssystem designquick action valveswater hammer. |
Layout of pipework systems: | must include:concealed pipeworkpipe enclosuresexposed pipeworkfire-rated pipeworkshould have principles of economy, serviceability, durability and fit for use appliedshould not unduly affect building integrity and aesthetic appeal. |
System calculations must include: | sound criteria for habitable roomsnoise insulation characteristics of materialssound transmission values of plumbing pipework and building materials. |
Pumped hydraulic systems may include: | circulating systemscompressed air systemspressurised water mainspump and pump rising mainspumproomsanitary rising mainssteam systems. |
Pipe supports cover fixings that do not impinge on sound attenuation of the hydraulic service, and may include: | anchorsbracket spacinghanging bracketsmanufacturer-recommended specific fixingsmaterial requirementsprovision for expansionseparation and insulation between pipework, supports and building structure. |
Materials may include: | expanded foam rubberglasswoolrockwoollead vinylother approved materials. |
Installation requirements: | may be for:sanitary plumbingdrinking and non-drinking water supplyalternative water supplystormwater drainagesiphonic stormwater systemspumping systemsmust include:fire ratinglevel of workmanshipmanufacturer installation requirementspipe supportserviceability and access. |
Material combinations may include: | pipe enclosuresfloor, wall and ceiling systemsseparation and insulation distances. |
Sustainability principles and concepts: | cover the current and future social, economic and environmental use of resourcesmay include:efficient use of materialefficient energy usage/capital outlay comparisonconsideration of the Green Building Council of Australia rating schemeselecting appropriate components to ensure minimal environmental impact. |
Plans: | may include:axonometricscross-sectionsdetailselevationsisometricssectionsschematics, which may be produced using:computer generationdrawing equipment. |
Specification may include: | jointingmanufacturer requirementsmaterialsperformance criteriasafety (WHS)selection of suitable acoustic rated fixtures, fittings and equipmentseparation and insulation between pipework, supports and building structuresupportworkmanship. |
Testing may include: | compliance testingquality assurance (QA) auditperformancesound measurement (dB). |
Commissioning schedule must include: | system certificationinsulation gap fillingsystem defectssystem functions as per design. |
Operation and maintenance manual may include: | as installed drawingsresults of commissioning testcertification documentationmaintenance schedulesmanufacturer brochures and technical information. |