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: interpretation of plans and specifications sizing and documenting layout of pump systems for wide span and high-rise building projects may be for new projects or an existing structure being renovated, extended, restored or maintained. |
Pump types may include: | centrifugal circulating constant flow variable speed macerator multiple stage piston positive displacement submersible vacuum variable speed control. |
Pump duties must include: | constant pressure flow rate head velocity. |
Design requirements may include: | acoustic performance architectural plans available flow and pressure from authority’s main building specifications fire safety owner’s requirements pipework identification pump duty sizing of pipework ventilation vibration viscosity of fluids. |
Cost-benefit and life cycle analysis: | includes balancing initial cost with durability, longevity, maintenance and ongoing fuel and energy cost requirements compares the range of suitable materials, pumps and system designs available to enable cost-effective choices to be made without compromising integrity of project may include: design energy costs expected design life labour costs material costs safety factors speed of installation suitable materials. |
Statutory and regulatory requirements may include: | Acts and regulations, and commonwealth, state or territory, and local government requirements. |
Australian standards and codes may include: | AS/NZS3500 National plumbing and drainage AS2419 Fire hydrant installations - system design, installation and commission AS/NZS1547 On-site domestic wastewater management AS2200 Design charts for water supply and sewerage National Construction Code other relevant Australian standards. |
Manufacturer requirements may include: | material installation specifications pump tables pipe sizing recommended installation and fixings for pipework technical and trade manuals ventilation requirements. |
Desktop study may include collection and interpretation of data for design purposes in: | architectural and building plans developer plans manufacturer data documents, which may include: applications brochures forms policies other reports as available. |
Flow and pressure tests may include: | on-site measurement of flow (l/s), velocity (m/s) and pressure (kPa). |
Performance requirements include: | flow, velocity, pressure and discharge requirements, to satisfy the requirements of the hydraulic system. |
Pump, controls and pumproom requirements may include: | acoustics ancillaries automatic controls inlet and outlet design installation and mounting plinths pump sizing and selection space ventilation vibration. |
Layout of pipework systems may include: | access identification insulation isolation maintenance principles of economy, serviceability, durability and fit for use replacement. |
Fittings and valves may include: | fittings: bends flanges inlet and outlet pressure gauges tees unions valves: air relief excess pressure isolating non-return pressure limiting pressure reduction strainers vibration couplings. |
Energy sources may include: | diesel and diesel-electric generator sets electrical, single phase and three-phase petrol. |
Pump plinth bases designed to resist forces exerted by pump may include: | concrete masonry timber steel. |
Pump mountings may include: | anchoring bolts inertia pads rubber and synthetic spring loaded vibration mounts. |
Materials: | piping may include: copper (Cu) galvanised steel stainless steel polyethylene (PE) polypropylene (PP) polybutylene (PB) other approved material pumps may include: cast iron bronze stainless steel other appropriate materials. |
Jointing methods may include: | brazing electrofusion welding mechanical joints other approved jointing method. |
Installation requirements may include: | pipe protection, which may include: corrosion impact fire rating level of workmanship. manufacturer-recommended specific fixings pipe support provision for vibration serviceability and access thrust brackets. |
Delivery systems may include: | circulation constant flow variable speed pump hydropneumatic lift pressure rising main vacuum. |
Sustainability principles and concepts: | cover the current and future social, economic and environmental use of resources may include: selecting appropriate material to ensure minimal environmental impact efficient use of material efficient energy usage/capital outlay comparison effect on the environment due to pump or pipe failure pump efficiency. |
Plans: | may include: axonometrics cross-sections details elevations isometrics schematics sections may be produced using: computer generation drawing equipment. |
Specification may include: | acoustic performance fire safety jointing manufacturer requirements materials pump duty residual pressures safety (WHS) specialised components support testing valve selection vibration control workmanship. |
Testing may include: | defect inspection hydrostatic performance quality assurance (QA) audit. |
Commissioning schedule may include: | system certification exhaust pipe check flow check leak check pressure check system purge system defects system functions as per design valve operation acoustic performance. |
Operation and maintenance manual may include: | as installed drawings results of commissioning test certification documentation emergency shut-down procedures maintenance schedules manufacturer brochures and technical information valve function. |