lighting for living - engineers australia · lighting for living part j6.2(a) adjustment factors...

LIGHTING FOR LIVINGPART J6 – ARTIFICIAL LIGHT & POWER

ØLamp Power Density - The simplest method of calculationØTotal power consumed by lamps, excluding ballasts, etc

ØTotal = nominal wattage of all lamps in the space / floor area of spaceØLamps powered from GPO’s are not includedØGPO’s controlled by wall switches MUST COMPLY

LIGHTING FOR LIVINGPART J6 – ARTIFICIAL LIGHT & POWER

ØLamp Power Density

LIGHTING FOR LIVINGPART J6.2(a) – ADJUSTMENT FACTORS

ØIllumination Power Density Adjustment FactorsØSubclause J6.2(a)(ii) provides an alternative approach for dwellings with sophisticated control systemsØThese controls are likely to reduce energy usedØA concession is given on the lighting power limitØRecognises situations where sensors, switching devices, control systems have an impact on performance of lightingØClause J6.2(a)(iii) requires Illumination Power Density to be used

LIGHTING FOR LIVINGPART J6 – ARTIFICIAL LIGHT & POWER

ØIllumination Power DensityØCalculates the Total power consumed by lamps, ballasts, current regulators & control devices

ØTotal = power used / floor area of spaceØLamps powered from GPO’s are not includedØGPO’s controlled by wall switches MUST COMPLY

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LIGHTING FOR LIVINGPART J6.2(a) – ADJUSTMENT FACTORS

ØIllumination Power Density Adjustment Factors

LIGHTING FOR LIVINGTECHNICAL PROVISION OVERVIEW

ØThe BCA stipulates maximum power density specified as a maximum limitation of watts per square metreØThe BCA does NOT specify the type or configuration of lighting installedØThe BCA does NOT specify the required lighting levels in a dwellingØThese decisions are design driven applicationsØThe stipulation under BCA requirements is 5 W/m2

LIGHTING FOR LIVING