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 designing transmission subtransmission and zone substation buildings All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies KSTDSA Power system transmission subtransmission and zone substation buildings KS01-TDS52A Power system transmission, sub-transmission and zone substation buildings Evidence shall show an understanding of designing power system transmission subtransmission and zone substation buildings to an extent indicated by the following aspects T Electrical power circuit analysis encompassing Superposition theorem Kirchhoffs laws Mesh analysis Thevenins amp Nortons theorems Maximum power transfer theorem Complex impedance Frequency domain Transients T Identification of basic concepts principles and applications Application of velocity acceleration force density torque and pressure encompassing Applications of the SI units The relationship between work power and energy Behaviour of object under force using a block and tackle under load concept of mechanical advantage determination of resultant forces and determining the sag in a catenary conductor and the force applied at each end Fundamentals of the basic laws of fluid mechanics T Principles to light design layout encompassing Commonwealth StateTerritory and local government legislation Standards codes supply authority regulations and or enterprise requirements applicable to the light design principles Requirements for the use of street lighting system construction manuals system diagramsplans and drawings and for plans such as work method statements for the control of OHS risks Types of tariffs and charges Types of street lighting components column types foundations brackets luminaries and mounting heights Types of electrical street lighting circuits types of supply lighting circuit and control circuit Fundamentals of lighting production electromagnetic spectrum visible and nonvisible radiation spectral energy distribution infrared ultraviolet radiationsafety incandescence and phosphorescence reflection and refraction Fundamentals of lighting concepts terms and units purpose of reflectors and diffusers Factors affecting external lighting design Calculation of light output Determining illuminance point to point method lumen method Determining rated life of luminaries Fundamentals of street lighting design Considerations for special lighting situations security lighting hazardous street locations and emergency lighting T Layout principles for underground mains distribution extension encompassing Commonwealth StateTerritory and local government legislation Standards codes supply authority regulations and or enterprise requirements applicable to underground mains distribution extension Requirements for the use of underground mains construction manuals system diagramsplans and drawings and for plans such as work method statements for the control of OHS risks Methods in determining material equipment and tool lists components types and quantity required spacing of components and equipment costings of items and components Purchasing and contractual arrangements to include a requirement to eliminate OHS hazards minimise risks and provide residual OHS risk information Determination of conductor size type and route length Resources needed for the laying of conductors Determining the appropriate excavation for the location Determining the size and depth of excavation Determining the trench and pit layout procedures Minimum clearances between conductors Estimation of the duration of underground distribution extension project T Principles of transmission subtransmission and zone substation building designs encompassing Commonwealth StateTerritory and local government legislation Standards codes supply authority regulations and or enterprise requirements applicable to the substation design management principles Requirements for the use of the substation system construction manuals system diagramsplans and drawings and for plans such as work method statements for the control of OHS risks Types of building designs fixed andor portable control switchgear frequency injection and miscellaneous building designs Types of building floor construction concrete poured in situ precast elevated ultra floor beams with poured in situ slab premanufactured steel framed floor Types of building walls construction steel framed masonry precast tiltup steel framed and lined Types of roof construction steel framed sheet steel clad Parameters to be considered establishment of equipment dimensions weights and dynamic loadings suitability of building roomcompartments and door opening dimensions for the equipment to be housed compliance with security fire rating and safety pressure relief BCA and BA requirements compliance with electrical requirements ie frame leakage earthed metal isolation appropriateness of floor reference levels provision of cable supports penetrations and pulling ring requirements building light and power design and drafting |