Recent Question/Assignment

School of Engineering, Design and Built Environment
Unit 200471, Construction Technology 5, Autumn 2021
ASSIGNMENT 1-1 – Light
(Marked out of 15 marks in total for the unit)
Before attempting this assignment, it is recommended:
• Read the learning materials modules (1-4) on the vUWS
• Watch the Paul Geier videos on UWS YouTube.
• Consult the Book: Szokolay, S.V. (2008), Introduction to Architectural Science: The Basis of Sustainable Design, Elsevier, Oxford – This is available as an E-Book through the WSU Library.
Where diagrams are required, they can be hand drawn or from reliable resources. All diagrams should be annotated by the student.
Light
1. Explain how you would decide what light levels are required on a work surface for a particular workplace. Give four examples of different visual tasks and state the range of illuminance that is acceptable for that task.
(4marks).
(Explanation on how to decide what light levels are required on a work surface for a particular workplace) 1 mark
(Each examples of visual tasks and its required illuminance) 0.5 mark each Describe and explain four methods that can be adopted to reduce daylighting glare in interior spaces of a residential building. Use diagrams to help explain. (4 marks)
(Each method for reducing daylighting glare) 4x0.5 mark
(Explanation OR Diagram for each method) 4x0.5 mark
Describe and explain, with annotated diagrams, four building components (either as part of the original constructed design or as “add on” features) that can be adopted / used to increase the amount of usable daylight in a large floor plate of a building. (4 marks)
Building components to increase the amount of usable daylight in a large floor plate of a building:
(Each method title) 4x0.25 mark
(Each method explanation) 4x0.25 mark
(Each method diagram/illustration) 4x0.5 mark
In regards to the use of the Lumen method, explain how a designer may decide and measure how much artificial light is required in a room (where there is also a window providing natural light and the room is only used during the daytime). (3 marks)
(Describing Lumen method) 1 mark
(Explaining how much artificial light is required in a room having window for a special task with certain luminance level, preferably showing a Lumen graph) 2mark
School of Engineering, Design and Built Environment
Unit 200471, Construction Technology 5, Autumn 2021
ASSIGNMENT 1-2 – Heat
(Marked out of 15 marks in total for the unit)
Before attempting this assignment, it is recommended:
• Read the learning materials modules (5-7) on the vUWS
• Watch the Paul Geier videos on UWS YouTube.
• Consult the Book: Szokolay, S.V. (2008), Introduction to Architectural Science: The Basis of Sustainable Design, Elsevier, Oxford – This is available as an E-Book through the WSU Library.
Where diagrams are required, they can be hand drawn or from reliable resources. All diagrams should be annotated by the student.
Heat
1. Explain, with annotated diagrams, the different effects of insulation and thermal mass on the heat flow through the external wall of a building. In which kind of climate do you recommend using thermal mass and why? (4 marks)
(Explaining effects of insulation on the heat flow through the external wall of a building.) 0.5 mark (suitable annotated diagram) 0.75 mark
(Explaining effects of thermal mass on the heat flow through the external wall of a building.) 0.5 mark (suitable annotated diagram) 0.75 mark
(In which kind of climate do you recommend using thermal mass?) 0.5 mark (why?) 1 mark
Explain the term Thermal Comfort. Describe four of the environmental and / or human related characteristics that can have an impact on thermal comfort of building occupants. (5 marks)
(Explaining the term Thermal Comfort) 1 mark
(Title of Each characteristic that has an impact on thermal comfort) 4x0.5 mark (Explaining each of those characteristic) 4x0.5 mark
Do a quick calculation of the thermal conductance (U value) across a cavity wall consisting of:
1. Outer skin 220mm brickwork (North facing, exposed aspect)
2. 20mm cavity
3. Inner skin of 10mm plasterboard
The necessary data can be found in module 5. Compare this with the worked example of an insulated brick veneer wall in the worked example. Show your working. (3 marks)
(Identifying and/or calculating R-value of the five wall layers) 1.5 mark
(Calculating R-value and U-value of the whole wall) 1.25 mark
(Correct use of units) 0.25 mark
Explain the use of a psychrometric chart? Who, in terms of the construction sector workforce, may use this chart? (hint: use the axis on the chart as guidance in your answer). (3 marks)
(Explaining use of psychrometric chart and its elements) 2 mark
(Mentioning the persons that use psychrometric chart) 1 mark

School of Engineering, Design and Built Environment
Unit 200471, Construction Technology 5, Autumn 2021
ASSIGNMENT 1-3 – Sound
(Marked out of 10 marks in total for the unit)
Before attempting this assignment, it is recommended:
• Read the learning materials modules (8-9) on the vUWS
• Watch the Paul Geier videos on UWS YouTube.
• Consult the Book: Szokolay, S.V. (2008), Introduction to Architectural Science: The Basis of Sustainable Design, Elsevier, Oxford – This is available as an E-Book through the WSU Library.
Where diagrams are required, they can be hand drawn or from reliable resources. All diagrams should be annotated by the student.
Sound
1. Explain, using annotated diagrams, how structure-borne sound can be reduced in multi-story apartment buildings. (3 marks)
(Each way for reducing structure-borne transmission) 3x0.5 mark
(Explanation OR Diagram for each way) 3x0.5 mark

2. You are asked to specify the sound attenuation requirements for a separating wall (AKA party wall) in a building that contains a restaurant kitchen adjacent to a private apartment. What factors are most important and what defects would you be looking for when you inspect the completed wall? (3 marks)
(Factors and defects causing structure-borne or air-borne transmissions through the kitchen’s separating wall) 3x0.5 mark
(Explanation OR diagram showing the factor or defect) 3x0.5 mark


3. How may acoustic designers alter the design of a room, which was previously used for music performances, into a room now to be used for spoken word performances? Use annotated diagrams for your response. (4 marks)
(Two annotated diagrams showing a room before and after design change with annotation) 2x1 mark
(Mentioned and explained four design strategy of the changed room) 4x0.5 mark