Indoor Environmental Quality Standard Second version: 2018 ...

1 1 ISHRAE Indoor Environmental Quality Standard Second version: 2018-2019 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 16 Index 17 Clause no. Clause Page no. Foreword 3 Introduction 4 5 1 Scope 6 2 Normative reference 7 9 3 Terms and definitions 10 15 4 Classification 16 5 Abbreviations, symbols and units 17 18 6 Indoor Environment Quality elements Tests and Testing methods 19 - 42 7 Occupant satisfaction survey 43 - 45 8 Document methodology 46 - 48 Annexure A (informative) Thermal comfort 49 51 Annexure B (informative) Indoor air Quality 52 60 Annexure C (informative) Visual comfort 61 63 Annexure D (normative) Recommended methodology to calculate Equivalent Melanopic Lux (EML) for different type of lighting conditions 64 66 Annexure E (normative) Recommended methodology to calculate lighting comfort parameters 67 Annexure F (informative) Acoustic comfort 18 19 20 21 22 23 24 25 26 3 Foreword 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 4 Introduction 45 Indoor Environmental Quality (IEQ)

4 45 Introduction 46 Indoor Environmental Quality (IEQ) refers to the environmental conditions inside regularly occupied space 47 that is determined by many factors, including indoor air quality (IAQ), thermal comfort, visual comfort, 48 acoustic comfort as well as ergonomics. IEQ has an impact on health, comfort, and safety, which in turn 49 affects productivity of occupants.

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