BUILDING TECHNOLOGY A+!!!!!!!!!!! Aaaaminnn…. 1. (a) Explain Sick Building Syndrome A spectrum of subjective illness symptoms associated with building environment. The term "sick building syndrome" (SBS) is used to describe situations in which building occupants experience acute health and comfort effects that appear to be linked to time spent in a building, but no specific illness or cause can be identified. ( Istilah "sakit bangunan sindrom" (SBS) digunakan untuk menggambarkan situasi di mana penghuni bangunan mengalami kesan akut kesihatan dan keselesaan yang nampaknya dikaitkan dengan masa yang dibelanjakan dalam bangunan, tetapi tiada penyakit atau sebab tertentu boleh dikenalpasti ) The complaints may be localized in a particular room or zone, or may be widespread throughout the building. (Aduan boleh dilokalisasi di dalam bilik atau zon tertentu, atau mungkin tersebar luas di seluruh bangunan) Effect: i. Eye irritation ii. dry throat iii. headache iv. sinus congestion v. skin irritation vi. shortness of breath vii. cough viii. dizziness, ix. nausea Cause of sick building syndrome: i. Inadequate ventilation (pengudaraan yang tidak mencukupi) ii. Inadequate humidity levels iii. Fluctuations in temperature iv. Airborne particles v. Airborne chemical pollutants vi. Poor lighting vii. Poor standards of cleanliness (b) (i) Explain 5 common Volatile Organic Compounds (VOCs) and their sources.
Volatile organic compounds (VOCs) are emitted as gases from certain solids or liquids. VOCs include a variety of chemicals, some of which may have short- and long-term adverse health effects. Concentrations of many VOCs are consistently higher indoors (up to ten times higher) than outdoors. Organic chemicals are widely used as ingredients in household products. Example: i. Paints ii. Varnishes iii. wax all contain organic solvents, as do many cleaning, disinfecting, cosmetic, degreasing and hobby products. Fuels are made up of organic chemicals. All of these products can release organic compounds while you are using them, and, to some degree, when they are stored. (ii) Sources of VOCs Household products, including: i. paints, paint strippers and other solvents ii. wood preservatives iii. aerosol sprays iv. cleansers and disinfectants v. moth repellents and air fresheners vi. stored fuels and automotive products vii. hobby supplies viii. dry-cleaned clothing ix. pesticide Other products, including: i. building materials and furnishings ii. office equipment such as copiers and printers, correction fluids and carbonless copy paper iii. graphics and craft materials including glues and adhesives, permanent markers and photographic solutions. (iii) What indicator of SBS include: (apa penunjuk bangunan yang sakit)
Building occupants complain of symptoms associated with acute discomfort.
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- Fall '13