(#8581) Calibration of newly purchase noise monitor


This query is regarding Criterion 11: The project team wants to do indoor noise testing with the help of a newly purchased noise monitoring device.
Kindly let us know if a calibration certificate is required for the new noise monitoring device purchased within a year of noise testing.


A third party noise audit report from NABL accredited lab is required to demonstrate compliance with Criterion 29- Acceptable outdoor and indoor noise levels.


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