TABLE OF CONTENTS - The Professional Green Building Council

Theme B: Creating a livable, healthy and environmentally viable citiesTable 2: Improvement techniques for indoor environment problemsEnvironmentalfactorsSoundLightWarmnessAirEMBiologicalFrequently occurred problemsExternal noise• Transportation noise• Construction noise• Vibration noise• Large gatheringsInternal noise• Air-con equipment noise• Walking vibration noise• People talking• Audio devices noise• Echo noise• Insufficient lighting• Uneven distribution of lighting• Dazzling light• Lighting fixtures high power consumptionand low efficiency• No labeling on lighting switches• Heavy afternoon sunlight• Insufficient area to introducing light• Introduced light too deep• Inferior lighting mood• High reflective-type glass• Hot and humid• Stagnant air flow• Improper type of air outlet, causing airstrikes• No labeling on air-con• Indoor heat source cannot be drained.• Ineffective insulation to outdoor heat• High humidity, causing dew• Outdoor pollution sources(Transportation, factory emission)• Indoor pollution sources(Decoration material, pets, plants, airconditioners)• Insufficient external air• Indoor air short circuit• Improper setting on air-con air inlet andwaste air outlet• inefficient air exchange• Old air-con system• People smoking• Electric-magnetic field generated fromoffice equipment• Sources of bacteria (Human, animals,plants ….)• Indoor temperature and humidity too high,offering a bio-hotbed• Condensed, peeling-off and mildew onwalls and ceilings• Water and dust accumulated in air-conpipesRecommendations for improvement• Adding building sound-proof(Increasing thickness of external wall & floors)• Air-tight doors and windows• Floating structure• Adopting damping type material• Adopting low noise equipment• Routine maintenance of equipment• Adding anti-vibration mechanism• Adding noise-proof cover• Pipe lines noise-proof• Advancing building sound absorption featureNatural light• Coordinating with the building direction• Light introduced from two sides to reduce the depth of light• Sufficient window size• Glass with high light pervious feature• Proper external shading• external plantingArtificial lighting• Adopting high efficient light fixtures• Routine maintenance and inspection• Adopting light tubes with proper color warmness• Design different lighting to fit the space• Light fixture switch loop control• Dazzling light-proof designBuilding body• Building direction, coordinating with external environment• Structure and thickness of roof and external wall• Way of opening windows and air-guiding& shading settingsEquipment & facilities• Adopting proper air-condition to fit the space• Turning on air-con to fit the use by people• Adopting high efficient air-condition system• Segmenting air-con by floors and regions• Incorporating with pre-cool air-con device or full-heatexchanger• Incorporating low power consumption fan facilities• Isolating and filtering external pollution sources• Adopting certified green material• Natural ventilation• Proper window opening, air-guiding and shading settings• Layout of air outlet and inlet to avoid short circuit• Positive and negative pressure space control• Real-time CO 2 monitoring system• Introducing flash external air• Routine cleaning and sterilization of air-con equipment• Reducing the generation of pollution sources• Controlling pollution source – regional emission• Maintaining proper distance while operating and avoidinglong time use• Controlling proper temperature and humidity in theenvironment• Repair and replace mildew and condensed portions• Routine maintenance and sterilization of air-con pipes• Removing bio-producing sources• Adding flash external air and reducing bio-concentration222