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Building Science I

Basic building design does not require mechanical heating or cooling. Buildings that are passively designed take advantage of natural climate to maintain thermal comfort. Building envelope is a term used to describe the roof, walls, windows, floors and internal walls of a building. In a tropical climate, the envelope should controls heat gain and exclusion of rainwater. Well-designed envelopes maximize cooling through air movement and exclude the solar radiation. The fundamental principles of basic building design are relatively simple and can be applied to various climate zones, house types and construction systems.

The teaching objectives of the module are to:

-To identify and define the principles of heat transfer in relation to building and people.

-To understand what is thermal comfort and discuss factors relating to thermal comfort.

-To analyze the effect of thermal comfort factors in a person and in a space.

-To be able to criticize design of the space in terms of thermal comfort by referring to MS1525, UBBL and GBI standards.

PROJECT 

Analyzing Passive building design strategies

Objective:

Choose a space in Taylor’s Uni Lakeside Campus, identify basic building design for thermal comfort for this space and also the external surfaces for this space. Record and analyze the existing condition in terms of thermal comfort of the interior directly affected by the environmental factors such as sun and wind. We have a thorough research on the basic design strategies and existing thermal comfort level and environmental factors affecting it. Document all environmental factors (4) for a day and average for a year. The diagrams best shows how the site analysis data and environmental factors have been used in designing to provide for thermal comfort. Also refer the use of charts to explain. However, we need to propose a passive design for the roof and elaborate the principles, strategies and details needed to perform best in tropical climate in order to achieve thermal comfort in this building/space. Eg. Roof garden, roof pond. Research the principles behind the usage and its relation to climate and thermal comfort.

On this project, we are working as a group of 6-7. We are required to find an building environmental issue around us, which we had chosen Taylor University Block B Grand Hall. We are required to analyse the issue in the building and giving solution to them. We were also visiting the site several times to gather more information to finalize the proposal. We started to work for the proposal to achieve the building thermal comfort by most of the improvements (determine wind speed, wind direction, sun path, adding shading devices, increases opening for more natural ventilation, etc.)

Final submission:

1.2 A3 Research Boards with coloured.

Reflection

I had understood to identify the environmental conditions related to site conditions, climate, etc. I also learned to be able to explain the effects of the sun on the thermal performance of buildings and the effect of insulation, thermal mass and air movement on thermal performance of buildings.

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