Compiled Approved Plans - 132002.220285.I (As Published)

4.2 MEASURED NOISE LEVELS

4.2.1 Unattended Measurements Results

Table 2 -NGARA Measurement Summary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Date Average Acoustic Descriptor, dB(A)
Leq Loo Lio Li

D* E* N* D* E* N* D* E* N* | D* E* N*
20/11/19 59 48 48 57 45 42 60 50 50 61 53 53
21/11/19 57 52 50 55 50 45 59 54 51 61 56 54
22/11/19 58 48 48 56 44 43 59 50 | 49 61 53 53
23/11/19 58 52 48 56 46 43 59 54 | 49 60 56 53
24/11/19 58 45 49 56 42 43 59 | 46 50 60 48 54
25/11/19 59 | 49 50 57 45 46 60 | 50 | 51 | 62 | 53 | 54
26/11/19 59 48 48 57 46 44 60 50 50 62 52 54
27/11/19 59 57 61 63
AVERAGE 58 49 49 56 45 44 60 | 50 | 50 | 61 53 | 54

* D- Day (7:00-18:00), E- Evening (18:00 — 22:00), N-Night (22:00-7:00)
Table 3 -Rion NL42 Measurement Summary
Date Average Acoustic Descriptor, dB(A)
Leq Loo Lio Li

D* E* N* D* E* N* D* E* N* D* E* N*
20/11/19 54 48 44 51 46 37 56 50 | 46 66 56 59
21/11/19 52 49 44 49 46 36 53 50 | 46 66 59 61
22/11/19 52 49 44 49 46 36 53 50 | 45 66 60 61
23/11/19 52 48 44 49 46 35 54 | 49 | 46 66 58 60
24/11/19 53 48 43 49 45 36 56 50 | 45 67 58 61
25/11/19 52 49 43 49 46 37 54 51 45 66 61 61
26/11/19 57 51 44 52 47 37 59 54 46 70 59 60
27/11/19 54 51 56 67
AVERAGE 53 49 44 50 46 36 55 51 46 | 67 | 59 | 60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* D- Day (7:00-18:00), E- Evening (18:00 — 22:00), N-Night (22:00-7:00)

IMobs\2019\20191414\20191414.3\202110130BA_R9_DA_Noise_lmpact_Assessment.docx

Document Set ID: 21711315
Version: 1, Version Date: 24/11/2021