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 maintaining energised lines (transmission) using Bare Hand technique. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-TTP32A Transmission live barehand work for voltages up to and including 500 kV Evidence shall show an understanding of working on energised lines for voltages up to and including 500 kV utilising the live barehand work method to an extent indicated by the following aspects: T1 Commonwealth/State/Territory legislation, Standards, codes, supply authority regulations and or enterprise requirements associated with working on energised lines for voltages up to and including 500 kV utilising the live barehand work method. T2 Relationship and responsibilities of each team member encompassing: Role of the individual in the team Contribution to joint outcomes Goals/plans and objectives of the team Work team communication Effective teamwork T3 Safety precautions for working on energised lines encompassing: Live work minimum approach distances for persons and plant Calculation of forces supported by live working equipment Identification of OHS hazards, assessing and controlling the risks Types, selection, maintenance, storage and uses of personnel protective equipment including the faraday suit Types and functions, safe working policies, procedures and practices for use of specialised live work plant, equipment and tools Emergency response and rescue. T4 Electrical and electrostatic principles encompassing: Relationship of the resistance of a human body to different levels of current and voltage Relationship of a human body in an electric field Effects of electrostatic induction for live barehand work Relationship of phase voltage and respective line voltages Effect of distance to voltage Potential of a conductive object within a field T5 HV feeder auto-reclosing suppression encompassing: Function Live work access authority/permit systems T6 Live barehand work techniques performed in accordance with enterprise requirements encompassing: Fit and test a faraday suit Erect and use an insulated ladder Erect and use a boom pole and insulator cradle Installing and/or replacing HV suspension insulators Installing and/or replacing HV strain insulators Installing and/or replacing suspension clamp unit Installing and/or replacing fittings and hardware to conductors Installing and/or replacing vibration dampers Installing and/or replacing conductor spacers Installing and/or replacing preformed repair rods Installing and/or replacing HV cross-arms Connecting and/or disconnecting HV bypass bridges. T7 Selection, care, use and maintenance of ropes for live work encompassing: Identification of ropes used for live barehand work Characteristics Application Restrictions Precautions Storage Transport Cleaning and caring Labelling Testing Records Techniques in splicing Determining suitability of the rope for continued use T8 Selection care, use and maintenance of sticks for live work encompassing: Care of live work sticks Use and load limitations of live work sticks Cleaning live work sticks Restoring gloss surfaces of live work sticks Repairing small ruptures of live work sticks Repairing broken fittings of live work sticks T9 Checking integrity of insulators prior to work encompassing: Visual and audible assessment Check disc voltage difference Plot data Assess data Determine condition of insulator string T10 Rigging procedures for live barehand work encompassing Identification of rigging points on structures Selection and positioning of rigging equipment on structures Selection of and operation of rope tackles T11 Safety observer principles and responsibilities encompassing: Areas of responsibility Supervisor skills Protocols and procedures Specific duties of a safety observer Techniques in observing others in the safe performance of their work Minimum approach distances for personnel and hand held tools Special Limits of Approach. |