20200903OBA_R1_Loading_Dock_Operational_Conditions · OPW20/0145

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)

4.2.2 Attended Measurement Results

Table 4 -Loading Dock Activity, Attended Measurements

 

 

 

 

 

 

Location’ Noise Source Acoustic Descriptor, dB(A)
Leq Lax Lpeak
1 Mechanical plant @ 25 57 62 78
metres
2 Reversing signal from trolley 69 76 83
collection truck
3 Mechanical plant noise 71 73 85

 

through exhaust/grille @ 1

metre away

 

 

 

 

' Refer to Figure 2 for location on map.

I\Mobs\2019\20191414\20191414.2\202009030BA_R4_Noise_Impact_Assessment.docx