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 applications interpreting plans and specifications may be for new projects or an existing structure being renovated, extended, restored or maintained. |
Design requirements must include: | architectural plans building specifications acoustic performance of fixtures, fittings and equipment building construction materials fire rating of penetrations owner requirements pipe enclosures pipework identification specialist 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 project may include: design styles energy costs expected design life labour costs material costs safety factors speed of installation suitable materials system choices. |
Statutory and regulatory requirements and Australian standards may include: | Acts, regulations and commonwealth, state or territory, and local government requirements National Construction Code AS/NZS3500 National plumbing and drainage AS2200 Design charts for water supply and sewerage other relevant Australian standards. |
Manufacturer requirements may include: | analysis of sound transmission values acoustic performance of fixtures, fittings and equipment specifications technical and trade manuals. |
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. |
Performance requirements may include: | flow, velocity, pressure and discharge requirements established using relevant Australian standards, codes and local government authority plans noise rating of habitable areas. |
Noise generation must include: | acoustic performance of fixtures, fittings and equipment high velocity high pressure linking of building compartments by pipework loose pipework pumped hydraulic systems system design quick action valves water hammer. |
Layout of pipework systems: | must include: concealed pipework pipe enclosures exposed pipework fire-rated pipework should have principles of economy, serviceability, durability and fit for use applied should not unduly affect building integrity and aesthetic appeal. |
System calculations must include: | sound criteria for habitable rooms noise insulation characteristics of materials sound transmission values of plumbing pipework and building materials. |
Pumped hydraulic systems may include: | circulating systems compressed air systems pressurised water mains pump and pump rising mains pumproom sanitary rising mains steam systems. |
Pipe supports cover fixings that do not impinge on sound attenuation of the hydraulic service, and may include: | anchors bracket spacing hanging brackets manufacturer-recommended specific fixings material requirements provision for expansion separation and insulation between pipework, supports and building structure. |
Materials may include: | expanded foam rubber glasswool rockwool lead vinyl other approved materials. |
Installation requirements: | may be for: sanitary plumbing drinking and non-drinking water supply alternative water supply stormwater drainage siphonic stormwater systems pumping systems must include: fire rating level of workmanship manufacturer installation requirements pipe support serviceability and access. |
Material combinations may include: | pipe enclosures floor, wall and ceiling systems separation and insulation distances. |
Sustainability principles and concepts: | cover the current and future social, economic and environmental use of resources may include: efficient use of material efficient energy usage/capital outlay comparison consideration of the Green Building Council of Australia rating scheme selecting appropriate components to ensure minimal environmental impact. |
Plans: | may include: axonometrics cross-sections details elevations isometrics sections schematics, which may be produced using: computer generation drawing equipment. |
Specification may include: | jointing manufacturer requirements materials performance criteria safety (WHS) selection of suitable acoustic rated fixtures, fittings and equipment separation and insulation between pipework, supports and building structure support workmanship. |
Testing may include: | compliance testing quality assurance (QA) audit performance sound measurement (dB). |
Commissioning schedule must include: | system certification insulation gap filling system defects system functions as per design. |
Operation and maintenance manual may include: | as installed drawings results of commissioning test certification documentation maintenance schedules manufacturer brochures and technical information. |