Assessment Details
Instructions
This assignment has three categories. They deal with the way the transmission of light, heat and sound is managed in buildings.
The detailed assignment sheets can be accessed on vUWS. These assignment sections are to be done as individual assessments.
ASSIGNMENT 1 –
Light
(Marked out of 100 and converted to 12 marks in total)
Q1.
Describe how the two different kinds of nerve endings in the human eye (the rods and cones) affect our vision.
Explain how these differences affect lighting design for different tasks. (20 marks)
Q2.
Acceptable light levels are dependent on the nature of the task being undertaken.
List five distinct factors that may influence the required light level in a workplace situation. Explain these factors with diagrams.
(20 marks)
Q3.
Explain how you would decide what light levels are required on a work surface for particular workplaces.
Give at least five examples of different visual tasks and state the range of illuminance that is acceptable for that task.
(20 marks)
Q4.
List the important factors that affect the amount of natural light falling on a work surface inside a building. Using diagrams explain how this works.
(20 marks)
Q5.
Name and describe the two main causes of glare which may cause disability or discomfort depending on the magnitude of the effect.
With diagrams describe what measures can be used to reduce glare in buildings?
(20 marks)
Heat
(Marked out of 100 and converted to 16 marks in total)
Q1.
With diagrams describe some of the mechanisms that the human body uses to deal with extremes of heat and cold. Explain why they work. (20 marks)
Q2.
For an uninsulated timber framed house in Sydney in winter describe the main paths of heat loss to the outside air. (Hint: Use a diagram)
(20 marks)
Q3.
Do a quick calculation of the thermal conductance (U value) across a cavity wall consisting of:
• Outer skin 110mm brickwork (South facing, exposed aspect)
• 40mm cavity
• Inner skin of 110mm brickwork
The necessary data can found in module 5. Compare this with the worked example of an insulated brick veneer wall in the worked example. Show your working. Discuss whether or not cavity brickwork is a thermally efficient wall for housing in Australia.
(20 marks)
Q4.
Describe some strategies for passive solar cooling in hot climates. (Hint: Use diagrams)
(20 marks)
Q5.
Describe how a solar pergola can be designed to manage the entry of direct sunlight into a building in a location like Brisbane.
(20 marks)
Sound
(Marked out of 100 and converted to 12 marks in total)
Q1.
Using diagrams list and explain three ways that noise can be reduced at the source.
(20 marks)
Q2.
Explain the concept of flanking transmission in building structure. How is this best dealt with?
(20 marks)
Q3.
Why is structure-borne sound transmission often a problem in older residential apartment blocks?
(20 marks)
Q4.
Describe an example of discontinuous construction being used to reduce sound transmission in buildings. (Hint: Diagrams are essential)
(20 marks)
Q5.
Using diagrams explain the main principles of auditorium design.
(20 marks)
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