This subject consists of two distinct themes, the first is Architectural Lighting of buildings and the second is Building Acoustics. They are taught in parallel by different academic (and sessional academic) staff.

Part A
Light and the visible portion of the electro-magnetic spectrum. Visual performance characteristics of the human eye. Photometric concepts and units of measurement. Direct and indirect surface illuminance calculations. Electric lamp technology, including incandescence, gaseous/vapour discharges. Principles of Colourimetry. The CIE classification system/colour rendering indices. User 'quality' assessment of illuminated spaces including control of glare. Daylight as an alternative to electric light. CIE and other models of sky luminance as a means to simple daylight estimation. Surveys of existing building illumination systems and practical (actual) illumination of buildings using a range commercial luminaires and lamps.

Part B
Acoustic principles applicable to Building Acoustics such as the decibel scale, sound power vs sound pressure, and wave propagation. Description of laboratory and field testing sound insulation values, identifying sound transmission paths in buildings, and subjective descriptors of sound insulation. Down-duct noise calculations, sizing of duct attenuators, and regenerated noise from duct elements. Sabine absorption calculations, description of early and late reflections, and room design for speech intelligibility. These topics will be discussed in context with National Construction Code, Australian Standard, Environmental Protection Agency, and Green Star acoustic criteria.

Unit details

Location:
Study level:
Undergraduate
Credit points:
12
Unit code:
NEF4108

Learning Outcomes

On successful completion of this unit, students will be able to:
  1. Evaluate the artificial lighting needs of residential, commercial and industrial buildings in accordance with Australian standards, current 'best practice'' and the minimisation of electrical energy usage;  
  2. Select and determine the size of luminaries, lamps, their control devices for a range of residential, commercial and industrial buildings. Predict illumination levels at relevant positions from installed lighting systems, using manual and computer calculation methods;  
  3. Recommend suitable maintenance programs for artificial lighting systems to achieve required illumination levels throughout the life of the lamps employed in the system;  
  4. Estimate the contribution that natural daylight can provide to the interior illumination of buildings, through the architecture of the building fabric and façade;  
  5. Evaluate the range of solutions and equipment for designing building acoustic systems, and be able to distinguish the applicability of alternate systems for a given building;  
  6. Select appropriate forms of specification (for tendering) for the installation of building acoustic systems.  

Assessment

Assessment type Description Grade
Assignment Assignment 1 - Domestic lighting project (1000 words per person equivalent) 30%
Portfolio Portfolio 1 - Practical lighting (Industry) 20%
Assignment Assignment 2 - Acoustic report (1000 words per person equivalent) 30%
Portfolio Portfolio 2 - Acoustic 20%

Required reading

AS 3080; AS 4428; AS60849; AS2201 Australian Standards
Australian Standards (current version)
Australian Standards

Code for Interior Lighting Australian Standards
Australian Standards 1680 (current version)
Australian Standards

Acoustics - Recommended design sound levels and reverberation times for building interiors Australian Standards
Australian Standards (current version)
Australian Standards

The following texts are recommended only: Marshall Long (2014) Architectural Acoustics 2nd ed. Elsevier Science Publishing Co Inc Helms, R. and Belcher, M. Clay. (2005) Lighting for Energy Efficient Luminous Environments Prentice-Hall

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