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Building Services Engineering Technology
Member rating: No Rating | Words: 1970 | Submitted: Mon Oct 22 2007
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Student Number: 0478764 Short Assignment 1 - Building Services Engineering Technology The need for Ventilation and Air Conditioning: Ventilation is the process whereby used air is replaced with fresh air; ventilation is required in buildings to replace air which is contaminated with Carbon Dioxide, odours, micro-organisms, mites, moulds, fungi, water vapour, smoke, dust, organic vapours, combustion products and ozone and methane gases. Ventilation ensures a fresh supply of oxygen. There are regulations educational premises need to comply with as stated in the 'The '1996 version of the School Premises Regulations': Ventilation Requirements for Schools Classrooms 3-4 air changes per hour Background ventilation, occupied areas 3 litres a second per occupant Additional capability, teaching areas 8 litres a second per occupant Washrooms 6 litres a second per occupant Air conditioning is a mechanical means of ventilation which also treats the air, altering the temperature, humidity, cleanliness and circulation. Air conditioning is required more often in hotter climates, particularly if the building has poor insulation properties....
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