8) This describes the essential skills and knowledge and their level, required for this unit. Evidence must show that knowledge has been acquired of safe working practices and conduct single energy source isolation procedures. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-PO301B Conduct Single Energy Source Isolation Procedures for Permit to Work Evidence shall show an understanding of how to isolate a single energy source as required before a Permit-to-Work can be issued, to an extent indicated by the following aspects: T1 Knowledge of the local enterprise-based –‘Permit to Work’ (PTW) system. T2 Interpret plant and equipment diagrams. Electrical schematic diagrams Piping and Instrument Drawings T3 Properties of matter and energy Phases of matter Units of measurement: volume, density, specific gravity. Pressure: measurement of pressure, negative pressure head pressure density of water. Energy: Laws of Thermodynamics Mechanical/kinetic energy Electrical energy Chemical energy Solar energy Potential energy Temperature scales. Latent heat Enthalpy. T4 Valves actuators: Pneumatic Hydraulic Electrical T5 Mechanical isolations, de-isolations and restorations Fuel-fired generator Hydro generator Wind generator Solar generator T6 DC Electrical Fundamentals Atomic structure. Ohm law. Calculating series and circuits. Calculating parallel circuits. Calculating power. T7 AC Electrical Principles Magnetism. Electromagnetism. Generating AC electricity. AC capacitance. AC Inductance. AC phaser diagrams. Introduction to electric motors T8 LV switching Knowledge of LV protection; Types of LV switchgear. T9 Lock-and-tag systems Types of lock out devices and systems Placement of electrical isolations Removal of stored energy from electrical isolation systems Placement of mechanical isolations Removal of stored energy from mechanical isolation systems T10 Switching sequence instructions Interpret and apply switching sequence instructions; Confirmation of correct sequencing before commencing work. T11 Completion of documentation Enterprise-based record keeping procedures. T12 Emergency Procedures Declaration of emergency procedure; Fire suppression procedure and implementation; Emergency generator equipment shutdown procedure. |