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Elements and Performance Criteria

1. Prepare to provide photometric data
   • Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are identified, obtained and applied
2. Illumination parameters of the design are obtained from a design brief, job specification and/or consultations with the client
3. Illumination parameters for particular situations and tasks are obtained and applied in accordance with relevant industry standards
4. Lighting manufacturer specification for products are obtained and reviewed
5. Provide photometric data
   • WHS/OHS risk control work measures and workplace procedures are followed
6. Photometric data is calculated for applications and variety of appropriate lighting products
7. Data illumination is in accordance with relevant industry standards
8. Data is documented in accordance with workplace procedures
9. Photometric data documentation is forwarded to appropriate person/s in accordance with workplace procedures

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.
Providing photometric data must include at least the following:	determination of lighting levels for specific situations interpretation of manufacturer photometric data determination of lighting level transitions where safety is a consideration calculations using the inverse square law measurement of lighting levels using a light (lux) meter presentation of a simple photometric report present a report (lighting levels) on an existing installation

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least three occasions and include:

obtaining illumination parameters from a design brief, job specification or by consultation with the client understanding compliance and recommended illumination parameters for particular situations and tasks understanding manufacturers’ technical information documenting photometric data, including justification for conclusions dealing with unplanned events applying industry standards applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures following workplace procedures providing photometric data, including: applying manufacturer specifications calculating photometric data.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

photometric principles, vision and colour, including: nature of light encompassing: dual nature of light electromagnetic spectrum frequency and wavelength (nm) photometric principles and definitions encompassing: scope and definitions from AS/NZS 1680.1 Interior and workplace lighting - General principles and recommendations, and AS ISO 1000 – 1998 The international system of units (SI) and its application luminous flux, definition and unit of measurement luminous intensity, definition and International System of Units (SI) unit of measurement radians and steradians illuminance and luminance basic optics, reflection and refraction reflectance and transmittance diffuse surfaces the point source and the inverse square law cosine law relationship between watts and lumens older imperial measurements (such as the footcandle or lumen per square foot and candlepower) physiology of the eye and light detection encompassing: scotopic, mesopic and photopic vision contrast sensitivity colour vision – rods and cones light levels and recognition of colour adaptation accommodation and visual acuity brightness and lightness image detection glare and comfort cognition and visual perception colour encompassing: Munsell and CIE colour system chromaticity coordinates black body radiation and colour temperature uniform chromaticity scale diagrams factors determining colour appearance photometry encompassing: the integrating sphere distribution photometry selected requirements of AS/NZS 1680.3 Interior and workplace lighting - Measurement, calculation and presentation of photometric data the goniophotometer measurement of luminous flux measurement of luminance and cut-off angle measurement of illuminance (single luminaire) graphical representation of photometric data test reports and data presentation lux meters and measuring equipment required light levels for various situations in accordance with Australian/New Zealand Standards relevant industry standards relevant job safety assessments or risk mitigation processes relevant manufacturer specifications and operating instructions relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures.

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