Table 1 - Acceptable Noise Levels (ANLs)
| NSR Window Type or Means of Ventilation | ANL (dB(A)) |
|---|---|
| (i) NSR (or part of NSR) with no windows or other openings | 100 |
| (ii) NSR with central air conditioning system | 90 |
| (iii) NSR with windows or other openings but without central air conditioning system | 85 |
10 dB(A) shall be subtracted from the ANLs shown above for NSRs which are hospitals, medical clinics, educational institutions, courts of law or other NSRs which are considered by the Authority to be particularly sensitive to noise.
