8) Essential Knowledge and Associated Skills (EKAS): This describes the essential skills and knowledge and their level, required for this unit. Evidence shall show that knowledge has been acquired of managing electrical infrastructure projects. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-TDS41A Electrical power systems infrastructure projects Evidence shall show an understanding of the management of electrical power systems infrastructure projects to an extent indicated by the following aspects: T1 Installation of overhead distribution conductors encompassing: Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to installing conductors and associated equipment Requirements for the use of overhead line construction manuals, system diagrams/plans and drawings - material lists, conductor size, type and route length. Constructions types and structures for distribution and sub transmission lines Types, sizes and characterises of overhead conductors Resources for the stringing and maintenance of conductors - types of low and high voltage overhead electrical conductor connections, causes and effects of poor electrical connections, reasons for and methods used to maintain standard phase sequencing, removing, repairing and replacing of damage conductors, minimum clearances between overhead conductors and low and high voltage structures. Techniques for conductor installation - types and application of tools, equipment and hardware, methods of stringing, tensioning and termination of low and high voltage conductors. T2 Safe working practices and procedures for the installation of overhead distribution conductors encompassing: Limits of approach for personnel, vehicles, mobile plant and elevating work platforms (EWP) Requirements of persons prior to making bare hand contact with dead low voltage mains and apparatus Requirements of relevant electrical access permits necessary to allow work to be performed on low and high voltage apparatus Safe working practices - requirements to enable safe working on conductive poles and procedure to attach an “on-site” earthing device to de-energised low and high voltage overhead circuit T3 Installation of poles and or structures and hardware encompassing: Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to installing poles and associated hardware Requirements for the use of enterprise construction manuals, system diagrams/plans and drawings - characteristics and applications of different types of poles and associated hardware Techniques for installing poles and associated hardware - types of installation equipment/tools, excavation methods, types of footings/foundations, types of attachments, earthing systems, clearances between conductors, safe methods of erecting and stabling poles and or structures and cross arms. Techniques for maintenance of poles and associated hardware - stabilisation techniques for unstable poles, methods of strengthen poles, maintenance and replacement of high voltage insulators and cross arms. T4 Installation of low voltage electrical services encompassing: Standards, codes, legislation, supply authority regulations and or enterprise requirements Requirements for the use of enterprise construction manuals, system diagrams/plans and drawings - types of low voltage overhead services, methods of construction and installation, minimum clearances for overhead services to assets and structures and types of installation equipment/tools Characteristics and applications of different types of cables - cable cross-sectional area of conductors and current rating and fuse type Techniques for maintenance of service installations - diagnosis and repair of faults Jointing and terminating methods - polymeric heat shrink materials, polymeric tape materials, energised and de-energised cables and connections to fuse boxes and pole top boxes Testing and commissioning procedures - inspection and polarity, voltage and phase sequence tests Construction types and structures for distribution and sub transmission lines Types, sizes and characteristics of overhead conductors Resources for the stringing and maintenance of conductors - types of low and high voltage overhead electrical conductor connections, causes and effects of poor electrical connections, reasons for and methods used to maintain standard phase sequencing, removing, repairing and replacing of damage conductors and minimum clearances between overhead conductors and low and high voltage structures Techniques for conductor installation - types and application of tools, equipment and hardware and methods of stringing, tensioning and termination of low and high voltage conductors T5 Procedures for installation and maintenance on transmission lines, structures and hardware encompassing: Standards, codes, legislation, supply authority regulations and or enterprise requirements pertaining to the installation and maintenance of transmission lines and associated equipment Requirements for the use of enterprise construction manuals, system diagrams/plans and drawings, encompassing: minimum construction clearances for transmission lines and sag/tension requirements Construction types and structures used in transmission lines Types, sizes and characteristics of transmission conductors - aluminium conductors steel reinforced and earthing conductors Types of electrical connections used to connect transmission conductors - compression termination and bolted termination Causes and effects of poor electrical connections Types and application of specialised tools, equipment and hardware for the stringing of transmission conductors Techniques for stringing, tensioning and terminating transmission conductors Techniques for installation of associated hardware used on transmission towers Techniques for maintenance of damage transmission conductors - repair and replacement T6 Procedures for installation and maintenance on public lighting structures and associated equipment encompassing: Standards, codes, legislation, supply authority regulations, local government and or enterprise requirements pertaining to the installation and maintenance of public lighting systems and associated equipment Safety precautions specific to working on street lighting - safe working practices and procedures, safe clearances from LV and HV mains, working at heights, working in confined spaces, permit to work systems and isolation procedures, emergency response and rescue including First Aid etc. Basic public lighting principles - electromagnetic spectrum, principles of colour, behaviour of light, factors that affect illumination. Requirements for the use of enterprise construction manuals, system diagrams/plans and drawings - street lighting circuits, earthing system Types of tools and equipment used for installation and maintenance Types and function of lanterns/Luminaires/lamps, control equipment, poles and associated hardware used for street lighting - HP mercury vapour, LP and HP sodium vapour, fluorescent, quartz-halogen, wood, concrete, steel, composite, choke boxes, photo-electric cells, time switches, contactor boxes Types of lighting systems - overhead and underground street lighting systems, controlling and switching of lighting systems. Techniques for the installation of street lighting systems Techniques for the maintenance of street lighting systems - diagnosing of faults, removing, repairing, replacement and cleaning of public lighting and associated hardware. Application of specific testing equipment - voltage detectors, insulation resistance testers, clamp-on ammeters, continuity testers, fault indictors Techniques for the inspection, testing and commissioning of street lighting systems T7 Different types and function of distribution components encompassing: Commonwealth/State/Territory and local government legislation, Standards, codes, supply authority regulations and or enterprise requirements applicable to the use and application of distribution components Requirements for the use of overhead line construction manuals, system diagrams/plans and drawings Types, function and characteristics of distribution components Safety policies and procedures precautions related to the handling and installing distribution components T8 Principles of safe design encompassing: Commonwealth/State/Territory legislation, standards, codes, supply authority regulations and or enterprise requirements associated with safe design principles Particular reference to state and territory regulations regarding: working near energised conductors, electrical access, heights, confined space, testing procedures and Licensing rules Application of safe design principles - safe design duty related information, safe design process related information and safe design evaluations T9 Low voltage switching principles encompassing: Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to switching of low voltage to a given schedule Requirements for the use of manuals, system diagrams/plans and drawings encompassing: types, characteristics and capabilities of electrical apparatus, use, characteristics and capabilities of specialised tools and testing equipment and LV network interconnectors source of possible backfeed Low voltage switching techniques - identifying hazards, assessing and controlling risks associated with LV switching operations, electrical access permit(s), operational procedures and earthing procedures Personnel protective equipment (PPE) for LV switching T10 High voltage switching principles encompassing: Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to switching of high voltage to a given schedule Requirements for the use of manuals, system diagrams/plans and drawings - types, characteristics and capabilities of electrical apparatus, use, characteristics and capabilities of specialised tools and testing equipment and network interconnectors source of possible backfeed Role of the HV switching operator Operational forms, access authorities and permits associated with HV switching - types of operational forms, access authorities and permits, purpose and procedure for operational forms and access authorities and permits Use and operation of equipment associated with HV overhead and substation equipment - test instruments, sticks, interrupters and arc stranglers Types and categories of HV switchgear Application, function and operating capabilities of switchgear Restrictions pertaining to HV switching equipment Procedures for the isolation of HV transmission main and working earths Earthing HV electrical apparatus practices and procedures for access - purposes of “Operational” and additional work part “on-site” earths, factors determining the location and effectiveness of “Operational” earthing, acceptable industry procedures and personal protective equipment High voltage switching techniques Operate switching apparatus - identifying hazards, assessing and controlling risks associated with HV switchgear operation, systematic and defensive techniques, mobile radio procedures and double isolation procedures T11 High voltage fault switching principles encompassing: Primary causes, effects and types of HV electrical faults HV protection devices - main components, types, categories, applications and functions Basic principle of operation of HV system protection devices Protection co-ordination and protection “zoning” HV feeder auto-reclosing suppression - function and application Circuit condition requirements and switching considerations when paralleling and separating HV feeders T12 Implementation and monitoring requirements for the impact of powerline installations and operation on the environment and/or the area surrounding the powerline and/or equipment encompassing: Identification of relevant legislation, codes and government guidelines for the implementation and monitoring of environmental impact factors in the workplace and areas of power distribution or transmission - Commonwealth/State/Territory legislation relevant to the workplace and the Environment Protection Act legislation and common law Identification, assessment, control and monitoring of the hazards to the environment associated with the Powerline industry Workplace environment quality standards enterprise plan - setting of acceptable emission level limits from power plant equipment, impact of the enterprise activities on air and water quality, nature, impact and level of emissions from power plant, power distribution and transmission equipment and network infrastructure (noise generation, noxious gas emissions, greenhouse gas production, electromagnetic emissions, electromagnetic field strength, oil leakage, insulation breakdown products) Provision of manufacturers and suppliers information such as material safety data sheets (MSDSs) Gathering of environment management information Maintenance of environmental records Risk assessment and its management in Powerline industry Maintenance strategies for environment protection programs - developing processes for promoting, maintaining and improving environmental impact in the workplace and identify techniques for the evaluating and reviewing environment protection education and training programs and elements of an effective environment protection management system, EPA consultation and accident/incident investigations. T13 Power distribution network documentation encompassing: Requirements for the use of manuals, system diagrams/plans and drawings and for plans such as work method statements for the control of OHS risks Types and application of power distribution network documentation drawings and documents - wiring and schematic diagrams, drawings and switching symbols, mechanical drawings dealing with the power distribution network, project charts, schedules, graphs, technical manuals and catalogues, instruction/worksheets sheets. Interpretation of different diagrams and documentation on LV and HV systems - overhead distribution extensions, underground distribution extensions, distribution substation, street lighting system. T14 Layout principles for overhead distribution encompassing: Commonwealth, State/Territory and local government legislation, Standards, codes, supply authority regulations and or enterprise requirements applicable to overhead distribution layout Requirements for the use of overhead line construction manuals, system diagrams/plans and drawings and for plans such as work method statements for the control of OHS risks Methods in determining material, equipment and tool lists - components types and quantity required, spacing of components such as equipment, poles, cross-arms, costings of items and components. Purchasing and contractual arrangements to include a requirement to eliminate OHS hazards, minimise risks and provide residual OHS risk information Determination of conductor size, type and route length – Resources needed for the stringing and maintenance of conductors Types of low LV and HV overhead electrical conductor connections Minimum clearances between overhead conductors and low LV and/HV structures Estimation of the duration of overhead distribution extension project T15 Fundamentals of surveying for the purpose of producing an overhead or underground distribution extension encompassing: Commonwealth, State/Territory and local government legislation, Standards, codes, supply and aviation authority regulations and or enterprise requirements applicable to the surveying for an overhead and underground extension Techniques in measuring heights and distances Techniques in taking bearings angles of deviation using a compass Techniques in using a clinometer Techniques in recording and storage of data Requirements for the use of overhead line construction manuals, system diagrams/plans and drawings Techniques in plotting long spans - measuring stick, clinometer, trundle wheel, tapes, correction for sloping ground, distance across objects and range rods Techniques in pegging pole positions – foot path alignments, types of pegs, pegs of other authorities and locating survey pegs T16 Project management encompassing: Commonwealth, State and local government legislation, standards, codes, supply authority regulations and or enterprise requirements including relevant certification and licensing applicable to the duties and responsibilities for management a project Analyse functions of project management to determine achievement of project objectives Relationship of stakeholders to the project Techniques in development of project plan encompassing: project integration, scope, timelines, cost, quality, resources, communication/protocol requirements, risk/uncertainties and procurement and contacting Relationship between project processes, project life and project phases Planning and control procedures, resource management and risk management Techniques, methodologies and tools available to project managers Types of internal and external environmental factors that may affect the project |