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 of maintaining energised traction overhead electrical apparatus glove has been acquired All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies KSTRTA Energised traction overhead electrical apparatus using glove techniques KS01-TRT33A Energised traction overhead electrical apparatus using glove techniques Evidence shall show an understanding of working on energised traction overhead electrical apparatus using glove techniques to an extent indicated by the following aspects T Working on energised lines to kV using live line glove and barrier techniques encompassing CommonwealthStateTerritory legislation Standards codes CommonwealthStateTerritory legislation supply authority regulations and or enterprise requirements associated with working on energised lines to kV poles using live line glove and barrier techniques Safety precautions working on energised lines to kV using live line HV rubber gloving techniques live line minimum approach distances persons and plant identification of OHS hazards assessing and controlling risks types selection maintenance storage and uses of personnel protective equipment live line access authoritypermit system disabling autoreclosing function ensuring functioning of fault current protective devices checking integrity of insulation prior to work commencement types and function of specialised live line working equipment and tools inspection before use safe working policies procedures and practices when usingoperating specialised equipment and tools methods of using specialised equipment and tools work team communication use of safety observers emergency response and rescue including First Aid etc Policies and procedures dealing with general work practices definitions of terms used responsibilities of personnel types of structures from which glove and barrier methods can be performed types of equipment and their compliance with relevant standards Relationship between combined glove and barrier and stick methods conditions under which they can be practiced Techniques in installing andor replacing HV insulators when working live line glove and barrier intermediate insulators angle insulators bridging insulators strain insulators and suspension insulators Techniques in erecting andor replacing HV crossarms when working live line glove and barrier intermediate angle strain termination and suspension Techniques in connecting andor disconnecting HV bridges connections when working live line glove and barrier strainTee bridges bypass bridgesconnections HV A B C and similardissimilar metals Techniques in the installation andor maintenance of electrical equipment air break switches gas switches fuse assemblies isolators bird covers surge diverters and fault indicatorsTechniques in erecting andor removing temporary midspan switching devices Techniques using live line glove and barrier to erect andor replace of poles intermediate angle strain Techniques using live line glove and barrier for the repair and or replacing of HV conductorscables Techniques in repairing andor replacing HV armour rods andor line guards Conversion methods using live line glove and barrier of intermediate construction to strain construction T Working on energised lines to kV poles using live line glove and barrierhotstick combined encompassing CommonwealthStateTerritory legislation Standards codes supply authority regulations and or enterprise requirements associated with working on energised lines to kV poles using live line glove and barrierhotstick combined Safety precautions working on energised lines to kV using live line glove and barrierhotstick combined live line minimum approach distances persons and plant Occupational Health and Safety hazards and precautions identification of OHS hazards assessing and controlling risks types selection maintenance storage and uses of personnel protective equipment live line access authoritypermit system disabling autoreclosing function ensuring functioning of fault current protective devices checking integrity of insulation prior to work commencement types and function of specialised live line working equipment and tools inspection before use safe working policies procedures and practices when usingoperating specialised equipment and tools methods of using specialised equipment work team communication use of safety observers emergency response and rescue including First Aid etc Policies and procedures dealing with general work practices for both glove and barrier hotstick combined definitions of terms used responsibilities of personnel types of structures from which glove and barrier methods can be performed types of equipment and their compliance with relevant standards Relationship between combined glove and barrier and stick methods conditions under which they can be practiced Techniques for installing andor replacing HV insulators using glove and barrierhotstick combined intermediate insulators angle insulators bridging insulators strain insulators and suspension insulators Techniques for erecting andor replacing HV crossarms using glove and barrierhotstick combined intermediate and angle Techniques for connecting andor disconnecting HV bridges connections using glove and barrierhotstick combined strainTee bridges bypass bridgesconnections HV A B C HV and similardissimilar metals Techniques in the installation andor maintenance of electrical equipment using hotstick air break switches gas switches fuse assemblies isolators bird covers surge diverters and fault indicators Techniques in the erection andor replacement of poles intermediatesuspension angle strain and termination Techniques in repairing andor replacing HV armour rods andor line guards andor conversion methods of intermediate construction to strain in construction Techniques in the repairing and replacing HV conductorscables and the identification of equipment used Techniques in installing andor maintaining switching devices using glove and barrier T Plant equipment and tools used for HV live line work encompassing CommonwealthStateTerritory legislation Standards codes CommonwealthStateTerritory legislation supply authority regulations and or enterprise requirements associated with plant equipment and tools used for HV live line work Safety precautions when working on plant equipment and tools using hotstick combined safe working clearances Occupational Health and Safety hazards and precautions identification of OHS hazards assessing and controlling risks types selection maintenance storage and uses of personnel protective equipment authorisation to work systems Identification of plant equipment and tools used for HV live line work types applications construction characteristics limitations safe working load Serviceability of plant equipment and tools used for HV live line work inspection procedures testing procedures maintenance procedures storage procedures Relationship of live line work access authoritypermit disabling autoreclose function and ensuring correct functioning of fault current protective devices prior to live line work Live line access authorities disabling autoreclose function and ensuring fault current protective devices prior to live line work Conductor supports methods types of equipment construction characteristics limitations Techniques in selecting appropriate conductor support method in accordance with requirements Calculation of loads and wind loading on conductors Effects of resultant forces when transferring conductor loads Rigging procedures for conductor support equipment T Principles of high voltage encompassing CommonwealthStateTerritory legislation Standards codes CommonwealthStateTerritory legislation supply authority regulations and or enterprise requirements associated with working on or near High Voltage Electrical and electrostatic principles related to high voltage lines relationship of current voltage and resistance as related to transmission lines relationship of phase voltage and respective line voltages Production of an electric field units effect of distance potential of an object within the field and the effect of distances to the potential HV insulators construction of a disc insulator construction of a polymeric insulator effects of an electrical field on disc insulators identification of the number of disc insulators needed for a single line voltage performance of a failed disc insulator on the line and the system Determining the minimum allowable number of discs per string for each line voltage in the system before barehand work is to proceed Techniques in detecting a failed disc in a string Techniques in using appropriate tools and equipment to test a string Methods of recording data Effects of electrostatic induction on the human body relationship of the resistance of a human body to different levels of current and voltage relationship of a human body to an electric field effects of electrostatic induction on barehand work Application of Faradays cage effects of a body advantages description of the Faradays cage used by barehand liveline workers Safety precautions working on or near High Voltage electrical apparatus safe approach distances from live line identification of OHS hazards assessing and controlling risks types selection maintenance storage and uses of personnel protective equipment permit to work systems and isolation procedures Types and function of specialised live working equipment Safe working policies procedures and practices when using and operating specialised equipment Methods of using specialised equipment Emergency response and rescue including First Aid etc Effects of lighting and switching surges on performance off string insulators health effects to workers Methods used to alleviate surges on transmission lines Magnetic field difference between magnetic fields and electrostatic fields source of magnetic field techniques in locating measuring and analysing known sources of magnetic fields reasons for monitoring magnetic field exposure techniques used to monitor magnetic fields T 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 diagramsplans and drawings types characteristics and capabilities of electrical apparatus use characteristics and capabilities of specialised tools and testing equipment 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 access authorities and permits Use and operation of equipment associated with HV overhead and substation equipment test instruments sticks interrupters 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 onsite earths factors determining the location and effectiveness of Operational earthing acceptable industry procedures 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 double isolation procedures T High voltage fault switching principles encompassing Primary causes effects and types of HV electrical faults HV protection devices main components types categories applications functions Basic principle of operation of HV system protection devices Protection coordination and protection zoning HV feeder autoreclosing suppression function application Circuit condition requirements and switching considerations when paralleling and separating HV feeders T High voltage distribution transformer principles encompassing Operation of HV distribution transformers principle governing factors for transformer ratings protection and alarms operating limitations and the relationship between transformer and HV fuse rating purpose and principle operation of HV distribution transformer tap changers HV distribution transformer and transformer cable combination switching practices paralleling requirements isolation and earthing procedures for access common distribution transformer and associated electrical apparatus faults HV underground switching equipment arc stranglers switch operation load break elbows switching cubicles canister fuses bayonet fuses F and G switching cubicles voltage indicators and phasing testers T High voltage SWER system encompassing Application and function of SWER system components Circuit arrangement Principle of operation Hazards and procedures associated with faulty SWER earth systems Procedure to isolate energise and commission SWER substations T Feeder automation system encompassing Function of feeder automation system and the main components Operation procedure for a remote field device from a local control station Functions of System Control and Date Acquisition SCADA or any other relevant Data Acquisition and Control systems and its main components SCADA system security interlocks and access restrictions SCADA system operation when switching apparatus or retrieving data via a remote access device such as Remote Access Terminal RAT Dial Up Voice Annunciated System and Local Control Station Function of the main components of a localremote control system Operation of a field devices using SCADA systems via a Remote Access Terminal RAT Dial Up Annunciated System and Local Control Station T Safe working on energised HV AC andor DC traction equipment encompassing CommonwealthStateTerritorylocal government legislation Standards codes supply authority regulations and or enterprise requirements Safety precautions specific to working on energised LV DC Traction overhead conductors and cables live line minimum approach distances Occupational Health and Safety hazards and precautions identification of hazards assessing and controlling risks types selection maintenance and uses of personnel protective equipment live line permit system disabling autoreclosing function ensuring functioning of fault current protective devices checking integrity of insulation prior to work commencement types and function of specialised live line working equipment and tools inspection before use safe working practices when using specialised equipment and tools methods of using specialised equipment work team communication use of safety observers emergency response and rescue including First Aid etc Techniques in the use of hotsticks for the maintenance of energised traction overhead apparatus Techniques in the use of glove and barrier on energised traction overhead apparatus |