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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 assessment of energy loads in commercial facilities. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. |
KS01-EK154A | Commercial facilities energy efficiency assessment |
| Evidence shall show an understanding of commercial facilities energy efficiency assessment to an extent indicated by the following aspects: |
| T1 Energy management, legislation and regulation relevant to residential, office and retail premises encompassing: National Building Code of Australia State Building Codes Standards Australia for Energy Auditing State based legislation for energy management in business NABERS Tenancy NABERS Office Building Energy Efficiency Certificates Minimum Renewable Energy Renewable Energy Credits Small Technology Credits |
| T2 Water supply and use encompassing: collecting and analysis of information for commercial facilities water use and methods to improve water efficiency in the home ability to analyse the water consumption index for different commercial sectors. ability to analyse commercial facilities water use and ways to minimize the use of water. understanding on the methodology applied to water savings calculate water star rating |
| T3 Environmental context – greenhouse gas emission, ecological impacts and resource use encompassing: concept of greenhouse gas emissions and global warming fossil fuel resource depletion and how mining impacts the environment breakdown of energy consumption in the Australian commercial sector breakdown of water consumption in the Australian commercial sector |
| T4 Energy efficiency methodologies encompassing: Energy services approach and relationship to energy auditing End user focus and relationship to energy auditing Opportunistic approach and relationship to energy auditing Energy management strategy in relationship to energy efficiency, energy management, demand management, fuel switching and renewable energy Financially viable best practice solutions; including net present value and internal rate of return Water management strategy in relationship to water efficiency, water management, source switching and water reuse/recycling Opportunistic best practice solutions in relationship to water and the differences to the financially viable best practice solutions Benchmarking with reference to statistical benchmarks, technology benchmarks and best practice financially viable benchmark methodologies Calculate best practice energy and water star ratings Property cost and environmental impact tables in relationship to reporting energy audit outcomes Sustainable initiative investment tables in relationship to reporting energy audit outcomes |
| T5 Energy and society encompassing: understanding of electricity charges drivers of the predicted electricity price increases in Australia Network charge and retail charge increases and how they relate to electricity price The Carbon tax or similar and impact on electricity prices Renewable Energy Target and impact on electricity prices Impact of electricity prices to commercial facilities |
| T6 Energy auditing and practice encompassing: scope of Australian Standards for energy auditing Energy audit process in relationship to data collection, analysis and the communication of results Accounts, bills and data, tariff structures and the identification of commercial tariff types Calculate energy and energy balance including power calculations, usage time calculations, power factor calculations and energy conversions from kWh to MJ process involved in onsite assessment in a commercial facilities energy audit. gathering information on commercial facilities energy use and costs Risks and hazards associated in a commercial facilities energy audit. Calculate energy and power Power rating of equipment and metering and measurement in a commercial facilities energy audit. Calculate energy balance for commercial facilities Advice on ways to improve energy efficiency Calculate greenhouse emission, emissions factors, carbon intensity of electricity vs. natural gas and LPG and global warming potential and CO2 equivalents Financial analysis in terms of simple payback and simple payback period and return on investment or rate of return Reporting and communication of energy audit results |
| T7 Energy management encompassing: energy management strategies. practice based energy management. technology based energy management. Interaction between human resources and practice based control. Application of technology based energy management. Identify potential energy savings from application of energy management |
| T8 Power and energy data recording encompassing: Identify the structure and purpose of power and energy data recording for whole systems and equipment. Review or develop single line schematic of electrical system of a commercial facility Establish the power and energy data gap from the energy audit in T7 to achieve Australian Standard compliant energy audits. Identify electrical loads that need contribute more than 5% of energy use Understand and explain the operation seven different power and energy monitoring equipment available Understand the implications of data recording intervals for monitoring equipment Develop a power and energy monitoring strategy for a commercial facility Deploy commercial facility power and energy monitoring strategy Draw conclusions and report on power and energy data collection in a commercial facility |
| T9 Water auditing services and design encompassing: Water flow rates of taps, showers and irrigation, toilets, washing machines, dishwashers and filtration and top up water use for cooling towers and pool systems Commercial facility water meter reading Trends of water use and charges for commercial facilities Water Efficiency Labelling (WELS) Scheme as it relates to water auditing Identification of water efficiency opportunities in commercial facility assessments. Operation of a rain water and grey water systems Factors that impact on landscape water demand |
| T10 Lighting services and efficient design encompassing: Fundamental illumination design for commercial facilities Illumination terms: light output, light level and brightness Determining target light levels for differing tasks Characteristics of light sources including efficacy, colour temperature and colour rendering index Ballast types, their efficiency and benefits Incandescent lamps, LED, Induction Lamps, halogen lighting, commercial fluorescent lighting, metal halide, mercury vapour and comparisons between these and applications for the commercial facilities Application of lighting methodology for best practice energy efficiency design Energy saving lighting opportunities in the commercial facilities |
| T11 Thermal performance and climate control encompassing: Thermal performance of a building impacts on heating, ventilation and air conditioning energy use including orientation, thermal mass, insulation, glazing, shading and ventilation Air conditioning designs including central, ducted systems, split-system air conditioners, multi-headed split systems, individual room air conditioners (RAC), through wall / window and portable units Improvement to air movement systems in commercial facilities including diffusers Improvement to ventilation systems in commercial facilities improvement of thermal performance of a commercial building envelop elements ability to apply the knowledge of Australian climate zones Air conditioning technologies including refrigerated type air conditioning, inverter type air conditioning, reverse cycle air conditioning, evaporative air conditioners, breeze power systems and digital scroll compressors application of Energy Efficiency Ratio (EER) and Coefficient of Performance (COP) and show proficiency in EER and COP calculations application of the Air Conditioning Star Ratings to commercial facilities Gas and electric heating options and air (ducted) heating operation of an air conditioning system and describe each components including the compressor, evaporator, condenser, expansion valve and fan coil ceiling and pedestal fans and ventilation climate control factors that impact on climate control energy consumption best practice climate control methodology as applied to the commercial facilities commercial facilities climate control saving opportunities conducting thermal performance assessment of a commercial facilities |
| T12 Food storage services and efficient design encompassing: refrigeration system basics operation different refrigeration models refrigeration characteristics including operation, automatic defrost, cooling temperature control, ice maker, ice and water dispenser, door seals and hinges factors that impact on refrigerator energy use including size, configuration temperature setting, clearance around cabinet and ambient conditions, making ice, ice and water antisweat heaters, seals, insulation, compressor efficiency and age Refrigerator and freezer star ratings Cold room and freezer room energy saving opportunities Food storage saving opportunities |
| T13 Food preparation services and efficient design encompassing: different food preparation appliances different operation of gas and electric hot plates and ovens and the advantages and disadvantages of each EMI food preparation methodology Food preparation saving opportunities Food preparation services and efficient design |
| T14 Water heating services and efficient design encompassing: different water heaters including electric and gas storage, gas instantaneous (continuous flow), electric heat pump and solar hot water heaters solar water heater configurations and characteristics including passive (or thermo siphon) systems and active (or pumped) systems solar collector types, one shot booster RECs and STCs and how these relate to solar water heater STCs factors that influence water heater energy use including pipework and fitting insulation, atmospheric conditions, water efficiency, temperature setting and maintenance & operation Water heating / cooling calculations EMI water heating methodology commercial water heating saving opportunities types of entertainment and administration appliances found in commercial residences |
| T15 Entertainment and administration services and efficient design encompassing: appliance standby power including the different mode; passive and active standby appliance energy star ratings MEPS and labelling requirements for televisions Network standby management strategies Computers energy consumption including computer power management Entertainment and administration saving opportunities |
| T16 Cleaning services and efficient design encompassing: clothes washers types including vertical axis and horizontal axis factors that impact on clothes washing energy use energy and water MEPS star ratings and how they apply to clothes washers Clothes dryer types including spin dryer, condenser dryers, gas dryers and heat pump dryers Clothes dryer controls Dishwasher types vacuum cleaner types EMI cleaning methodology commercial cleaning saving opportunities |
| T17 Pumping systems (and pools) and efficient design encompassing: Pumping services in relation to commercial sector Pumping types including centrifugal and positive displacement and pump selection and design Pumping theory including pressure head, pressure pumping vs. transfer pumping, pump curves, pump best efficiency (operating) point bep, variable speed drive, energy balance for a typical pumping system and electric motors operating of commercial pools in terms of pool pumps, pool backwashing, cartridge filters, pools turnovers, pool water use and pool heating Energy efficiency pool systems design methodology Energy efficiency hot water, chilled and condenser water pumping systems Commercial pool systems saving opportunities |
| T18 Smart metering solutions encompassing: benefits of the different metering available to the commercial sector metering opportunities relation to commercial sector |
| T19 Renewable energy (solar PV) encompassing: design of solar PV systems and different panel types including mono-crystalline, poly-crystalline and amorphous solar panel characteristics and choice of selection solar power system utility approval process Balance of systems, rules of thumb, shading, orientation and shading of strings in an on grid solar power system Solar PV energy calculations and calculate REC entitlement for a small solar PV system different feed-in tariff schemes and how they apply to solar PV |
| T20 Energy audit system encompassing: Commercial facilities energy audit forms and legend Conducting energy and water audit for the commercial sector Commercial facilities sector energy audit report |