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 developing planned outage strategies. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-TDS46A Power systems outage strategies Evidence shall show an understanding of developing planned power systems outage strategies to an extent indicated by the following aspects: T1 Working safely on or around electrical equipment through the application of risk management principles and control measures for dealing with non-electrical hazards and extra-low voltage, low-voltage and high-voltage hazards and high-current hazards encompassing: Risk management and assessment of risk - principle and purpose of risk management and processes for conducting a risk assessment Hazards associated with low-voltage, extra-low voltage and high-currents encompassing: Arrangement of power distribution and circuits in an electrical installations Parts of an electrical system and equipment that operate at low-voltage and extra-low voltage Parts of an electrical system and equipment where high-currents are likely. Risks and control measures associated with high-voltage - parts of an electrical system and equipment that operate at high-voltage, the terms ‘touch voltage’, ‘step voltage’, ‘induced voltage’ and ‘creepage’ as they relate to the hazards of high-voltage and control measures used for dealing with the hazards of high-voltage Optical fibre safety - coherent optical sources and joining procedures and Laser safety class 3a devices or their replacement Risks and control measures associated with low voltage - risks associated with modifying electrical installations, fault finding, maintenance and repair, control measures before, while and after working on electrical installations, circuits or equipment, isolation and tagging-off procedures, risks and restrictions in working live and control measures for working live Risks and control measures associated with harmful dusts and airborne contaminants - thermal insulation, fibrous cement materials and asbestos and other fibre reinforced switchboard materials. Safety, selection, use, maintenance and care of test equipment - safety characteristics of electrical testing devices, safe use of electrical testing device and checks and storage methods for maintaining the safety of testing devices T2 OHS enterprise responsibilities encompassing: Provisions of relevant health and safety legislation Principles and practice of effective occupational health and safety management Management arrangements relating to regulatory compliance Enterprise hazards and risks, control measures and relevant expertise required Characteristics and composition of workforce and their impact on occupational health and safety management Relevance of enterprise management systems to occupational health and safety management Analysis of working environment and design of appropriate occupational health and safety management systems Analysis of relevant data and evaluation of occupational health and safety system effectiveness Assess resources to establish and maintain occupational health and safety management systems. T3 Co-ordinating access authority procedures encompassing: Specific enterprise processes, policies and procedures to be followed Processes of consultation, negotiation and co-ordination encompassing: clear and concise instructions and information, methods for the encouragement of feedback and contributions of information and ideas and responsibilities of members of the team Techniques in analysing, planning, co-ordination and organising work for a safe outcome and according to statutory requirements and regulations Techniques in the effective utilisation of available resources Techniques in the development of an access authority/permit and/or access authority/permit issuing procedures Techniques in facilitating and co-ordinating the delivery and issuing of access authorities Techniques in gathering, collating and confirming data on different worksites - electrical network diagrams for the specific work site, earth access authorities, safe working area, work to be carried out in confined space or in hazardous environment, specific outsourcing procedures, specific hazard identification, risk classification and management procedures, regulatory requirements such as Occupational Health and Safety and electrical safety Techniques in the receiving and co-ordinating the cancellation of access authorities in readiness for restoration Methods of conducting audits on correct access authority procedures Process of issuing of other access authorities for work permits - working in confined space, if required, co-ordination of access authorities, engaging and briefing contractors on electrical and other work Issue and receipt of operating agreements T4 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 T5 Installation of switchgear and associated equipment encompassing Types and function of various switchgear - isolators, air-break switches, gas-filled switches, vacuum type, links, fuses, oil disconnectors, fuse switches, circuit breakers, operating characteristics, advantages and disadvantages of different types switchgear, installation procedures, earthing, requirements and techniques Types of equipment - transformers, reactors, regulators, capacitors, relays, surge arrestors, fault indicators and mobile generators Installation procedures for switchgear and equipment - standards, codes, legislation, supply authority regulations and or enterprise requirements, assembly and erecting procedures, earthing requirements and techniques and pole mounted locations Maintenance procedures for switchgear and equipment - diagnosing and rectifying faults according to electricity supply industry standards and procedures Testing and commissioning - electricity supply industry standards and procedures T6 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 - 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, earthing procedures and personnel protective equipment (PPE) for LV switching T7 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 and purpose and procedure for operational forms, 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 T8 HV overhead and substation switching principles encompassing: Legislation, Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to HV overhead and substation switching Requirements for the use of manuals, system diagrams/plans and drawings - types, characteristics and capabilities of HV electrical equipment to be switched, use and characteristics and capabilities of specialised tools and testing equipment Role and responsibilities of the HV switching operator Operational forms, access authorities and permits hazard/risk assessments associated with HV switching - types of operational forms, access authorities and permits hazard/risk assessments and purpose and procedure for operational forms, access authorities and hazard/risk assessments Use and operation of equipment associated with HV overhead and substation equipment - test instruments, sticks, interrupters and arc stranglers HV switchgear - types, categories, application and operating capabilities Operation of HV overhead switching or indicating devices - fuses; disconnect fuses; load switching; live line indicators; capacitors; reclosers; sectionalisers, underslung links, airbreaks; switches, disconnects; live line clamps; phasing sticks; phasing tester Operation of protection systems and substation equipment - fault levels and settings; types and applications; protection systems and substation equipment fault levels and settings; types and applications Restrictions pertaining to HV switching equipment Procedures for the isolation of HV mains and working earths - earthing HV electrical apparatus practices and procedures for access authority issuing; HV 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 |