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 high voltage distribution overhead electrical apparatus stick All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies KSTDPA Live lines working up to kV with hotstick KS01-TDP13A Live lines working up to 132 kV with hotstick Evidence shall show an understanding of live lines working up to kV with hot stick to an extent indicated by the following aspects T Legislation and Regulations encompassing Legislation standards and codes Supply authority regulations Industry guidelines and enterprise requirements T Safety Precautions for High Voltage Live Work up to and including kV poles utilising live High Voltage stick method encompassing Minimum approach distances OHampS hazard and precautions Assessing and controlling risks Effects of excessive conductor temperature on insulating equipment Personnel protective equipment Integrity of insulation Emergency response first aid and rescue T Policies and procedures for live High Voltage stick method up to and including kV encompassing Policies procedures and practices Definition of terms Responsibilities of personnel Types of structures Types of equipment and compliance T Stick techniques up to and including kV encompassing High Voltage insulators High Voltage crossarms High Voltage bridge connections Installation and maintenance of equipment Temporary Midspan switching devices Erection and replacement of poles Replacement of conductors and cables High voltage armour rods and line guards Conversion intermediate to strain construction Switching devices T Safety precautions for plant equipment and tools encompassing Safe working clearances Identification of OHampS hazards Assessing and controlling risks and hazards Personal protective equipment T Identification and serviceability of plant equipment and tools encompassing Identification of plant equipment and tools Serviceability of plant equipment and tools T Operational use of plant equipment and tools encompassing Conductor supports Selecting conductor support method Calculation of loads Effects of secondary loading Effects of resultant forces Conductor support rigging procedures T Electrical and electrostatic principles encompassing Relationship with current voltage and resistance as related to distribution lines Phase voltage and respective line voltages Production of an electric field T High voltage insulation encompassing Construction of insulators Checking integrity of insulation prior to work commencement Effects of electrical fields on insulators Number of disc insulators needed Performance of a failed insulator on the line and system Minimum number of discs per string Detecting a failed insulators T Effects of electrostatic Induction on the human body encompassing Electrostatic induction and the human body T Switching surges and magnetic fields encompassing Lightning and switching surges Magnetic fields T High Voltage switching fundamentals encompassing Manuals system diagramsplans and drawings High Voltage live work access authoritypermit system Fault current protection devices Disabling autoreclose function Network interconnectors Test instruments Types of switchgear High Voltage electrical faults Types Causes Effects T High voltage SWER system encompassing Components Circuit arrangement Operation principles Faulty SWER earth system T Safety Observer principles encompassing Duties Techniques Minimum Approach Distances MAD Minimum safe working distance from vegetation T Teamwork High Voltage Live Work |