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MCU16/0079 Appendix F - Environmental Noise Imact Assessment
RS L ACTIVITY NOIS E PREDICTION CALCULATIONS : (LA10 1hr and LA01 1hr levels are represented as N/A if the duration of events do not occur for 10% or 1% of the 1 hour period)
R1: Dwellings Due South R2: Dwelling Due East across Pelican Street
Creep Acoustic Quality Objectives Creep Acoustic Quality Objectives
AT-GRADE CAR DOOR CLOS URE AT-GRADE CAR DOOR CLOS URE
LAeq LAeq LA10 LA01 LAeq LAeq LA10 LA01
Noise source level for single event 70 72 78 dB (A) Noise source level for single event 70 72 78 dB (A)
Duration of single event 0.052 S e c o nds Duration of single event 0.052 S e c o nds
Number of events in the measurement period 67 200 Eve nts Number of events in the measurement period 67 200 Eve nts
Total time duration of combined events 3.5 10.4 S e c o nds Total time duration of combined events 3.5 10.4 S e c o nds
LAeq LAeq 1hr LA10 1hr LA01 1hr LAeq LAeq 1hr LA10 1hr LA01 1hr
Noise source level for assessment time period 46 45 N/A N/A dB (A) Noise source level for assessment time period 46 45 N/A N/A dB (A)
Tonality / Impulsiveness correction 0 5 dB Tonality / Impulsiveness correction 0 5 dB
M inimum distance to receiver 29 m M inimum distance to receiver 37 m
Distance attenuation (-6 dB per doubling of distance) -29 dB Distance attenuation (-6 dB per doubling of distance) -31 dB
Building screening 0 dB Building screening 0 dB
Façade reflection 2.5 dB Façade reflection 2.5 dB
Impact at nearest façade 19 23 N/A N/A dB (A ) Impact at nearest façade 17 21 N/A N/A dB (A )
Reduction through open window -7.5 -7.5 -7.5 dB Reduction through open window -7.5 -7.5 -7.5 dB
Impact inside open window 15 N/A N/A dB (A ) Impact inside open window 13 N/A N/A dB (A )
Creep Acoustic Quality Objectives Creep Acoustic Quality Objectives
CAR BYPAS S CAR BYPAS S
LAeq LAeq LA10 LA01 LAeq LAeq LA10 LA01
Noise source level for single event 68 70 73 dB (A) Noise source level for single event 68 70 73 dB (A)
Duration of single event 7 S e c o nds Duration of single event 20 S e c o nds
Number of events in the measurement period 67 200 Eve nts Number of events in the measurement period 67 200 Eve nts
Total time duration of combined events 466.7 1400.0 S e c o nds Total time duration of combined events 1333.3 4000.0 S e c o nds
LAeq LAeq 1hr LA10 1hr LA01 1hr LAeq LAeq 1hr LA10 1hr LA01 1hr
Noise source level for assessment time period 65 64 70 73 dB (A) Noise source level for assessment time period 70 68 70 73 dB (A)
Tonality / Impulsiveness correction 0 0 dB Tonality / Impulsiveness correction 0 0 dB
M inimum distance to receiver 30 m M inimum distance to receiver 45 m
Distance attenuation (-6 dB per doubling of distance) -30 dB Distance attenuation (-6 dB per doubling of distance) -33 dB
Acoustic screening 0 dB Acoustic screening 0 dB
Façade reflection 2.5 dB Façade reflection 2.5 dB
Impact at nearest façade 38 37 43 46 dB (A ) Impact at nearest façade 39 38 39 42 dB (A )
Reduction through open window -7.5 -7.5 -7.5 dB Reduction through open window -7.5 -7.5 -7.5 dB
Impact inside open window 29 35 38 dB (A ) Impact inside open window 30 32 35 dB (A )
Creep Acoustic Quality Objectives Creep Acoustic Quality Objectives
PEOPLE TALKING OUTS IDE PEOPLE TALKING OUTS IDE
LAeq LAeq LA10 LA01 LAeq LAeq LA10 LA01
Noise source level for single event 58 60 62 dB (A) Noise source level for single event 58 60 62 dB (A)
Duration of single event 720 S e c o nds Duration of single event 720 S e c o nds
Number of events in the measurement period 1 3 Eve nts Number of events in the measurement period 1 3 Eve nts
Total time duration of combined events 720.0 2160.0 S e c o nds Total time duration of combined events 720.0 2160.0 S e c o nds
LAeq LAeq 1hr LA10 1hr LA01 1hr LAeq LAeq 1hr LA10 1hr LA01 1hr
Noise source level for assessment time period 57 56 60 62 dB (A) Noise source level for assessment time period 57 56 60 62 dB (A)
Tonality / Impulsiveness correction 0 0 dB Tonality / Impulsiveness correction 0 0 dB
M inimum distance to receiver 30 m M inimum distance to receiver 40 m
Distance attenuation (-6 dB per doubling of distance) -30 dB Distance attenuation (-6 dB per doubling of distance) -32 dB
Building directivity 0 dB Building directivity 0 dB
Façade reflection 2.5 dB Façade reflection 2.5 dB
Impact at nearest façade 30 29 33 35 dB (A ) Impact at nearest façade 27 26 30 32 dB (A )
Reduction through open window -7.5 -7.5 -7.5 dB Reduction through open window -7.5 -7.5 -7.5 dB
Impact inside open window 21 25 27 dB (A ) Impact inside open window 19 23 25 dB (A )
Creep Acoustic Quality Objectives Creep Acoustic Quality Objectives
S UBDUED PATRONS AT S MOKERS DECK S UBDUED PATRONS AT S MOKERS DECK
LAeq LAeq LA10 LA01 LAeq LAeq LA10 LA01
Noise source level for single event 65 72 75 dB (A) Noise source level for single event 65 72 75 dB (A)
Duration of single event 720 S e c o nds Duration of single event 720 S e c o nds
Number of events in the measurement period 1 3 Eve nts Number of events in the measurement period 1 3 Eve nts
Total time duration of combined events 720.0 2160.0 S e c o nds Total time duration of combined events 720.0 2160.0 S e c o nds
LAeq LAeq 1hr LA10 1hr LA01 1hr LAeq LAeq 1hr LA10 1hr LA01 1hr
Noise source level for assessment time period 64 63 72 75 dB (A) Noise source level for assessment time period 64 63 72 75 dB (A)
Tonality / Impulsiveness correction 0 0 dB Tonality / Impulsiveness correction 0 0 dB
M inimum distance to receiver 58 m M inimum distance to receiver 51 m
Distance attenuation (-6 dB per doubling of distance) -35 dB Distance attenuation (-6 dB per doubling of distance) -34 dB
Building directivity 0 dB Building directivity 0 dB
Façade reflection 2.5 dB Façade reflection 2.5 dB
Impact at nearest façade 31 30 39 42 dB (A ) Impact at nearest façade 32 31 40 43 dB (A )
Reduction through open window -7.5 -7.5 -7.5 dB Reduction through open window -7.5 -7.5 -7.5 dB
Impact inside open window 23 32 35 dB (A ) Impact inside open window 24 33 36 dB (A )
Creep Acoustic Quality Objectives Creep Acoustic Quality Objectives
BOIS TEROUS PATRONS AT S MOKERS DECK BOIS TEROUS PATRONS AT S MOKERS DECK
LAeq LAeq LA10 LA01 LAeq LAeq LA10 LA01
Noise source level for single event 75 80 83 dB (A) Noise source level for single event 75 80 83 dB (A)
Duration of single event 720 S e c o nds Duration of single event 720 S e c o nds
Number of events in the measurement period 1 3 Eve nts Number of events in the measurement period 1 3 Eve nts
Total time duration of combined events 720.0 2160.0 S e c o nds Total time duration of combined events 720.0 2160.0 S e c o nds
LAeq LAeq 1hr LA10 1hr LA01 1hr LAeq LAeq 1hr LA10 1hr LA01 1hr
Noise source level for assessment time period 74 73 80 83 dB (A) Noise source level for assessment time period 74 73 80 83 dB (A)
Tonality / Impulsiveness correction 0 0 dB Tonality / Impulsiveness correction 0 0 dB
M inimum distance to receiver 58 m M inimum distance to receiver 51 m
Distance attenuation (-6 dB per doubling of distance) -35 dB Distance attenuation (-6 dB per doubling of distance) -34 dB
Solid awning attenuation 0 dB Solid awning attenuation 0 dB
Façade reflection 2.5 dB Façade reflection 2.5 dB
Impact at nearest façade 41 40 47 50 dB (A ) Impact at nearest façade 42 41 48 51 dB (A )
Reduction through open window -7.5 -7.5 -7.5 dB Reduction through open window -7.5 -7.5 -7.5 dB
Impact inside open window 33 40 43 dB (A ) Impact inside open window 34 41 44 dB (A )
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