IS 9901 : Part 1 : 1981 Measurement of sound insulation in buildings and of building elements: Part 1 Requirements for laboratories
UDC 699.844 : 727.57 | LTD 7 |
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Reaffirmed 2019 |
1. SCOPE
1.1 This standard ( Part I ) specifies requirements for laboratories for sound insulation measurements of building elements. It applies to laboratories with suppressed radiation from flanking elements.