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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 specificationsincludes sizing and documenting layout of fire sprinkler systems for applications, including residential, commercial and industrial. |
Design requirements include: | architectural specificationsbuilder specificationsowner requirementsspecialist design 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 project integrity. |
Fire department, statutory, regulatory, Australian and New Zealand standards and relevant building code requirements include: | relevant Acts, regulations and local and state government policiesAS2200 Design charts for water supply and sewerageAS/NZS2118 Automatic fire sprinkler systems - general requirementsAS2419 Fire hydrant installations - system design, installation and commissionmaterial and authorisation standards specified by:Building Code of Australia (BCA)local authoritystatutory plumbing authority. |
Manufacturer requirements include: | material specificationspump tablessizing tablestechnical and trade manuals. |
Flow and pressure tests 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). |
Desktop study includes collection and interpretation of existing data for design purposes from: | architectural and building planscouncil requirementsdeveloper requirementsregulatory requirementsother documents and reports as available. |
Performance requirements include: | flow, velocity, pressure and discharge requirements, established using Australian and New Zealand standards and local authority plans. |
Layout of pipework systems: | covers:dual feedrange systemsring mainsingle pipeshould have principles of economy, serviceability, durability and fit for use appliedshould not unduly affect building integrity and aesthetic appeal. |
Fittings and valves: | fittings:bendselbowsteesunionsvalves:backflow preventionexcessive pressureisolatingpressure limitingpressure reductionstrainers. |
Backflow prevention devices include: | break tanksindividual protectionproperty protectiontestable and non-testable deviceszone protection. |
Alarm and valve assemblies include: | clapper valvesexcess flow valvesmanual and electrical alarms. |
Calculations include: | pressurerate of dischargetemperaturevelocityvolume. |
Materials include: | acrilonitrile butadiene styrene (ABS)composite pipeworkcoppercross-linked polyethylenefittings and fixturespolybutyleneprotective coatingssteel. |
Jointing methods include: | brazingcompressionflaringmechanical jointsrubber ring jointsscrewingsoldering. |
Booster assemblies include: | cabinet and block planscheck and isolating valvesfire appliance accesspressure gaugessingle and double types. |
Pipe fixings include: | anchorsbeddingbracket spacingcorrosion protectioncoverhanging bracketsmaterial requirementssaddleswall and ceiling brackets. |
Water storage systems include: | automatic controlsinlet valve design and sizingoutlet sizingoverflow requirementssafe tray requirementstank sizesvortex plates. |
Pump, pump controls and pumproom requirements include: | automatic controlsimpeller sizinginlet and outlet design requirementsinstallation and mounting requirementspump selectionpump sizingspace requirementsvalve requirements. |
Test points and associated drainage systems include: | design and sizing of collection points and tundishes to prevent spillage, overflow and damage to building finishesdesign and sizing of drainage systems to cater for maximum flow conditionsspecification of materials for systems, including copper, polyvinyl chloride (PVC), galvanised piping and other materials. |
Installation requirements include: | clippinginstallation detailsinsulationjointing requirementslevel of workmanship. |
Sprinkler system configurations include: | deluge systemslayout and distribution of range pipesobstacle avoidanceroom shape and height configurationssprinkler head placementwall and ceiling wetting systemswet pipe and dry pipe systems. |
Plans cover: | axonometricscross-sectionsdetailselevationsisometricsschematics, which may be produced using:pencilIndian inkpigment linercomputer generationsections. |
Specification may include: | clipping and specialised componentsjointingmanufacturermaterialsvalve selectionworkmanship. |
Testing includes: | air pressure testdefect inspectionhydrostatic testmains pressure testquality assurance (QA) audit. |
Commissioning schedule includes: | flow testleak checkpressure testsystem purgevalve operation. |
Operation and maintenance manual may include: | leak detectionpump maintenancevalve maintenancewater auditingyearly inspectionyearly maintenance requirements. |