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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, and sizing and documenting layout of pump systems, for applications including residential, commercial and industrial and new projects or an existing structure being renovated, extended, restored or maintained. |
Pump types may include: | centrifugal pumpscirculatingconstant flow variable speed pumpsmacerator pumpsmotor pumpsmultiple impeller pumpspiston pumpssolid and semi-solid pumping systemssubmersible pumpsvacuum and multi-stage pumpsvariable speed pumpswarm and hot water. |
Pump duties may include: | deliveryflowheadvelocity. |
Design requirements may include: | architectural specificationsbuilder specificationsowner requirementsspecialist water use applications. |
Cost-benefit and life cycle analysis may include: | balancing initial cost with durability, longevity maintenance and ongoing fuel and energy cost requirementscomparison of the range of suitable materials, pumps and system designs available to enable cost-effective choices to be made without compromising integrity of project. |
Statutory and regulatory requirements may include: | Acts and regulationslocal and state government policies. |
Australian and New Zealand standards may include: | AS/NZS3500 National plumbing and drainage setAS2419 Fire hydrant installations - system design, installation and commissionAS/NZS1547 On-site domestic wastewater managementAS2200 Design charts for water supply and sewerageBCA. |
Manufacturer requirements include: | material specificationspump tablessizing tablestechnical and trade manuals. |
Desktop study can include collection and interpretation of existing data for design purposes from: | architectural and building planscouncil plansdeveloper plansother documents and reports as available. |
Flow and pressure tests may include: | interpretation of flow and pressure tests conducted by a contractoron-site measurement of flow (l and s), velocity (m and s) and pressure (kPa). |
Performance requirements may include: | flow, velocity, pressure and discharge requirements, established using Australian and New Zealand standards and local authority plans. |
Pump, pump controls and pumproom requirements may include: | automatic controlsimpeller sizinginlet and outlet design requirementsinstallation and mounting requirementspump sizing and selectionspace requirementsvalve requirements. |
Layout of pipework systems may include: | dual feedring mainsingle pipe. |
Fittings and valves may include: | fittings:bendsteesunionsvalves:backflow preventionexcess pressure valvesisolatingpressure limitingpressure reductionstrainersvibration couplings. |
Energy sources may include: | diesel and diesel-electric generator setspetrolsingle phasethree phase. |
Pump plinths may include: | bases designed to resist forces exerted by pumpconcretemasonrytimber. |
Pump mountings may include: | anchoring boltsmotor pumppump mountings and adjustmentsrubber and synthetic pump mountsvibration couplings. |
Materials may include: | acrilonitrile butadiene styrene (ABS)composite pipeworkcoppercross-linked polyethylenefittings and fixturesimpeller materialspolybutyleneprotective coatingspump constructionsteel. |
Jointing methods may include: | brazingcompressionflaringmechanical jointssolderingthreaded. |
Installation requirements include: | clippinginstallation detailsjointing requirementslevel of workmanshipmounting. |
Delivery systems may include: | constant flow variable speed pumpdownfeedhydropneumaticpressure ratioupfeed. |
Plans may include: | axonometricscross-sectionsdetailselevationsisometricsschematics, which may be produced using:computer generationIndian inkpencilpigment linersections. |
Specification may include: | beddingclippingjointingmanufacturermaterialsspecialised componentsvalve selectionworkmanship. |
Testing may include: | air pressure testdefect inspectionhydrostatic testmains pressure testquality assurance (QA) audit. |
Commissioning schedule may include: | flow testleak checkpressure testsystem purgevalve operation. |
Operation and maintenance manual may include: | leak detectionpump maintenancevalve maintenancewater auditingyearly inspectionyearly maintenance requirements. |