Is3350 Unit 4

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BTEC Subsidiary Diploma in Construction & the Built Environment

Unit 4: Science and Materials
Name: Pearse Marshall
Candidate Number: 3071
Teacher: Mrs Keyes
Assignment 1: Human comfort within buildings Scenario- A property developer is converting an old railway station into retail and office accommodation. The client is keen to make the working environment for the staff as comfortable as possible. As a consultant, explain how this can be done by addressing the relevant grading criteria.
Introduction- I will begin by trying to understand what the client is doing, and then I will include a picture of the old railway station, but also a picture of what the client hopes the offices and retail businesses will look like when they are completed
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The ‘best’ temperature depends on several factors, such as clothing being worn and the work being performed, for example in winter, when people are more likely to be wearing more heavier clothes such as coats and wool jackets, 20-24 degrees Celsius would be a good heat for the office, likewise in summer, when people are more likely to wear lighter clothes as it is warm outside, 22-26 degrees Celsius may be a better option than the previous one in winter.
Air movement
Air movement will cool a person, on warmer days it is likely to help comfort someone but on colder days it would be known to cause discomfort, there really is no exact best air movement when it is related to thermal comfort. When air speed is increased, heat will be lost faster in the body, in an office environment, the optimum air speed would be 0.1-0.5 m/s (if air conditioned).
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If the light detector is used over 48 degrees Celsius, it can be permanently damaged. Most light detectors are handheld and are easily transported to the work site. The recommended LUX levels in an office environment range from 250 lux to 700 lux in a conference room and in a personal workspace 700 lux to 2000 lux.

A Sound Meter.

Task 1C
Identify a range of acceptable values for each of the above factors, using the correct units.
A reasonable office temperature should be at least 16 degrees Celsius; 21-22 degrees Celsius would be an optimum temperature for an office because it is neither too hot nor cold, making you more comfortable and therefore likely to be more productive. Temperature should be warmer in winter times and cooler in the summer, to ensure that everyone works efficiently and feels comfortable in the