Appendix 6
Noise Data
Sunset Crossings Residential Project
Initial Study
Site Number: NM-1
Recorded By: Darshan Shivaiah, Tina Yuan
Job Number: 184659
Date: 12/14/22
Time: 10:02 a.m.
Location: On the sidewalks for Martha Crawford Street
Source of Ambient Noise: Traffic noise from Cottonwood Avenue and HVAC noise.
Source of Peak Noise: NA
Noise Data
Leq (dB) Lmax(dB) Lmin (dB) Peak (dB)
46.6 64.0 43.6 84.5
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Brüel & Kjær 2250 3011133 03/10/2022
Microphone Brüel & Kjær 4189 3086765 03/10/2022
Preamp Brüel & Kjær ZC 0032 25380 03/10/2022
Calibrator Brüel & Kjær 4231 2545667 03/10/2022
Weather Data
Est.
Duration: 10 minutes Sky: Clear
Note: dBA Offset = 0.02 Sensor Height (ft): 5 ft
Wind Ave Speed (mph / m/s) Temperature (degr ees Fahrenheit) Barometer Pressure (inches) 2 mph 50 30.19
Photo of Measurement Location
2250
Instrument: 2250
Application: BZ7225 Version 4.7.6
Start Time: 12/14/2022 10:01:38
End Time: 12/14/2022 10:11:38
Elapsed Time: 00:10:00
Bandwidth: 1/3-octave
Max Input Level: 142.16
Time Frequency
Broadband (excl. Peak):FSI AC
Broadband Peak: C
Spectrum: FS Z
Instrument Serial Number: 3011133
Microphone Serial Number: 3086765
Input: Top Socket
Windscreen Correction: UA-1650
Sound Field Correction: Free-field
Calibration Time: 12/14/2022 09:00:19
Calibration Type: External reference
Sensitivity: 43.4110201895237 mV/Pa
SSC_001
Start End ElapsedOverloadLAeqLAFmaxLAFmin
time time time [%] [dB] [dB] [dB]
Value 0.00 46.6 64.0 43.6
Time 10:01:38 AM10:11:38 AM0:10:00
Date 12/14/202212/14/2022
Cursor: (A) Leq=46.6 dB LFmax=64.0 dB LFmin=43.6 dB
SSC_001
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20
30 40
50 60
70 80
90 100
110
120
130
dB 12/14/2022 10:01:38 AM - 10:11:38 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_001
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:01:38 AM - 10:11:38 AM dB
L1 = 51.8 dB
L5 = 48.3 dB
L10 = 47.5 dB
L50 = 46.0 dB
L90 = 45.0 dB
L95 = 44.8 dB
L99 = 44.4 dB
Level Cumulative
Cursor: 12/14/2022 10:06:37 AM - 10:06:38 AM LAIeq=48.0 dB LAFmax=47.9 dB LCpeak=71.2 dB LAFmin=46.1 dB SSC_001
10:02:00 AM 10:04:00 AM 10:06:00 AM 10:08:00 AM 10:10:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_001
Start ElapsedLAIeqLAFmaxLAFmin
time time [dB] [dB] [dB]
Value 48.0 47.9 46.1
Time 10:06:37 AM0:00:01
Date 12/14/2022
Cursor: (A) Leq=46.6 dB
SSC_001
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:06:37 AM - 10:06:38 AM
Hz
LZeq
Cursor: 12/14/2022 10:01:38 AM - 11:01:38 AM LAIeq=49.8 dB LAFmax=64.0 dB LCpeak=84.5 dB LAFmin=43.6 dB SSC_001 Periodic reports
10:10:00 AM 10:20:00 AM 10:30:00 AM 10:40:00 AM 10:50:00 AM 11:00:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_001 Periodic reports
Start ElapsedOverloadLAIeqLAFmaxLAFmin
time time [%] [dB] [dB] [dB]
Value 0.00 49.8 64.0 43.6
Time 10:01:38 AM0:10:00
Date 12/14/2022
Cursor: (A) Leq=46.6 dB LFmax=64.0 dB LFmin=43.6 dB
SSC_001 Periodic reports
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:01:38 AM - 10:11:38 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_001 Periodic reports
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:01:38 AM - 10:11:38 AM dB
L1 = 51.8 dB
L5 = 48.3 dB
L10 = 47.5 dB
L50 = 46.0 dB
L90 = 45.0 dB
L95 = 44.8 dB
L99 = 44.4 dB
Level Cumulative
Site Number: NM-2
Recorded By: Darshan Shivaiah, Tina Yuan
Job Number: 184659
Date: 12/14/22
Time: 10:16 a.m.
Location: On the sidewalk in front of 27258 Cedar Street residence Source of Ambient Noise: Traffic noise along Cedar Street Source of Peak Noise: Car igniting and warming up on the driveway.
Noise Data
Leq (dB) Lmax(dB) Lmin (dB) Peak (dB)
48.7 65.7 42.3 89.5
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Brüel & Kjær 2250 3011133 03/10/2022
Microphone Brüel & Kjær 4189 3086765 03/10/2022
Preamp Brüel & Kjær ZC 0032 25380 03/10/2022
Calibrator Brüel & Kjær 4231 2545667 03/10/2022
Weather Data
Est.
Duration: 10 minutes Sky: Clear
Note: dBA Offset = 0.02 Sensor Height (ft): 5 ft
Wind Ave Speed (mph / m/s) Temperature (degr ees Fahrenheit) Barometer Pressure (inches) 2 mph 50 30.19
Photo of Measurement Location
2250
Instrument: 2250
Application: BZ7225 Version 4.7.6
Start Time: 12/14/2022 10:15:42
End Time: 12/14/2022 10:25:42
Elapsed Time: 00:10:00
Bandwidth: 1/3-octave
Max Input Level: 142.16
Time Frequency
Broadband (excl. Peak):FSI AC
Broadband Peak: C
Spectrum: FS Z
Instrument Serial Number: 3011133
Microphone Serial Number: 3086765
Input: Top Socket
Windscreen Correction: UA-1650
Sound Field Correction: Free-field
Calibration Time: 12/14/2022 09:00:19
Calibration Type: External reference
Sensitivity: 43.4110201895237 mV/Pa
SSC_002
Start End ElapsedOverloadLAeqLAFmaxLAFmin
time time time [%] [dB] [dB] [dB]
Value 0.00 48.7 65.7 42.3
Time 10:15:42 AM10:25:42 AM0:10:00
Date 12/14/202212/14/2022
Cursor: (A) Leq=48.7 dB LFmax=65.7 dB LFmin=42.3 dB
SSC_002
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20
30 40
50 60
70 80
90 100
110
120
130
dB 12/14/2022 10:15:42 AM - 10:25:42 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_002
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:15:42 AM - 10:25:42 AM dB
L1 = 58.1 dB
L5 = 53.9 dB
L10 = 51.4 dB
L50 = 45.3 dB
L90 = 43.9 dB
L95 = 43.6 dB
L99 = 43.2 dB
Level Cumulative
Cursor: 12/14/2022 10:20:41 AM - 10:20:42 AM LAIeq=52.6 dB LAFmax=52.2 dB LCpeak=70.1 dB LAFmin=44.7 dB SSC_002
10:16:00 AM 10:18:00 AM 10:20:00 AM 10:22:00 AM 10:24:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_002
Start ElapsedLAIeqLAFmaxLAFmin
time time [dB] [dB] [dB]
Value 52.6 52.2 44.7
Time 10:20:41 AM0:00:01
Date 12/14/2022
Cursor: (A) Leq=49.6 dB
SSC_002
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:20:41 AM - 10:20:42 AM
Hz
LZeq
Cursor: 12/14/2022 10:15:42 AM - 11:15:42 AM LAIeq=50.7 dB LAFmax=65.7 dB LCpeak=89.5 dB LAFmin=42.3 dB SSC_002 Periodic reports
10:20:00 AM 10:30:00 AM 10:40:00 AM 10:50:00 AM 11:00:00 AM 11:10:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_002 Periodic reports
Start ElapsedOverloadLAIeqLAFmaxLAFmin
time time [%] [dB] [dB] [dB]
Value 0.00 50.7 65.7 42.3
Time 10:15:42 AM0:10:00
Date 12/14/2022
Cursor: (A) Leq=48.7 dB LFmax=65.7 dB LFmin=42.3 dB
SSC_002 Periodic reports
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:15:42 AM - 10:25:42 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_002 Periodic reports
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:15:42 AM - 10:25:42 AM dB
L1 = 58.1 dB
L5 = 53.9 dB
L10 = 51.4 dB
L50 = 45.3 dB
L90 = 43.9 dB
L95 = 43.6 dB
L99 = 43.2 dB
Level Cumulative
Site Number: NM-3
Recorded By: Darshan Shivaiah, Tina Yuan
Job Number: 184659
Date: 12/14/22
Time: 10:30 a.m.
Location: Along the northern property line of 27132 Cottonwood Avenue Source of Ambient Noise: Traffic noise along Cottonwood Avenue and Nason Street Source of Peak Noise: Traffic noise along Cottonwood Avenue Noise Data
Leq (dB) Lmax(dB) Lmin (dB) Peak (dB)
62.2 79.4 41.4 97.6
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Brüel & Kjær 2250 3011133 03/10/2022
Microphone Brüel & Kjær 4189 3086765 03/10/2022
Preamp Brüel & Kjær ZC 0032 25380 03/10/2022
Calibrator Brüel & Kjær 4231 2545667 03/10/2022
Weather Data
Est.
Duration: 10 minutes Sky: Clear
Note: dBA Offset = 0.02 Sensor Height (ft): 5 ft
Wind Ave Speed (mph / m/s) Temperature (degr ees Fahrenheit) Barometer Pressure (inches) 2 mph 50 30.19
Photo of Measurement Location
2250
Instrument: 2250
Application: BZ7225 Version 4.7.6
Start Time: 12/14/2022 10:30:00
End Time: 12/14/2022 10:40:00
Elapsed Time: 00:10:00
Bandwidth: 1/3-octave
Max Input Level: 142.16
Time Frequency
Broadband (excl. Peak):FSI AC
Broadband Peak: C
Spectrum: FS Z
Instrument Serial Number: 3011133
Microphone Serial Number: 3086765
Input: Top Socket
Windscreen Correction: UA-1650
Sound Field Correction: Free-field
Calibration Time: 12/14/2022 09:00:19
Calibration Type: External reference
Sensitivity: 43.4110201895237 mV/Pa
SSC_003
Start End ElapsedOverloadLAeqLAFmaxLAFmin
time time time [%] [dB] [dB] [dB]
Value 0.00 62.2 79.4 41.4
Time 10:30:00 AM10:40:00 AM0:10:00
Date 12/14/202212/14/2022
Cursor: (A) Leq=62.2 dB LFmax=79.4 dB LFmin=41.4 dB
SSC_003
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20
30 40
50 60
70 80
90 100
110
120
130
dB 12/14/2022 10:30:00 AM - 10:40:00 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.1% Cumulative: 0.2% SSC_003
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:30:00 AM - 10:40:00 AM dB
L1 = 75.1 dB
L5 = 69.5 dB
L10 = 64.9 dB
L50 = 46.0 dB
L90 = 43.0 dB
L95 = 42.7 dB
L99 = 42.2 dB
Level Cumulative
Cursor: 12/14/2022 10:34:59 AM - 10:35:00 AM LAIeq=64.5 dB LAFmax=57.6 dB LCpeak=74.5 dB LAFmin=51.4 dB SSC_003
10:30:00 AM 10:32:00 AM 10:34:00 AM 10:36:00 AM 10:38:00 AM 10:40:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_003
Start ElapsedLAIeqLAFmaxLAFmin
time time [dB] [dB] [dB]
Value 64.5 57.6 51.4
Time 10:34:59 AM0:00:01
Date 12/14/2022
Cursor: (A) Leq=53.7 dB
SSC_003
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:34:59 AM - 10:35:00 AM
Hz
LZeq
Cursor: 12/14/2022 10:30:00 AM - 11:30:00 AM LAIeq=65.3 dB LAFmax=79.4 dB LCpeak=97.6 dB LAFmin=41.4 dB SSC_003 Periodic reports
10:30:00 AM 10:40:00 AM 10:50:00 AM 11:00:00 AM 11:10:00 AM 11:20:00 AM 11:30:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_003 Periodic reports
Start ElapsedOverloadLAIeqLAFmaxLAFmin
time time [%] [dB] [dB] [dB]
Value 0.00 65.3 79.4 41.4
Time 10:30:00 AM0:10:00
Date 12/14/2022
Cursor: (A) Leq=62.2 dB LFmax=79.4 dB LFmin=41.4 dB
SSC_003 Periodic reports
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:30:00 AM - 10:40:00 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.1% Cumulative: 0.2% SSC_003 Periodic reports
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:30:00 AM - 10:40:00 AM dB
L1 = 75.1 dB
L5 = 69.5 dB
L10 = 64.9 dB
L50 = 46.0 dB
L90 = 43.0 dB
L95 = 42.7 dB
L99 = 42.2 dB
Level Cumulative
Site Number: NM-4
Recorded By: Darshan Shivaiah, Tina Yuan
Job Number: 184659
Date: 12/14/22
Time: 10:46 a.m.
Location: Along the sidewalk of Nason Street, in front of Lord of Life Lutheran Church Source of Ambient Noise: Traffic noise along Nason Street Source of Peak Noise: Trucks passing by along Nason Street Noise Data
Leq (dB) Lmax(dB) Lmin (dB) Peak (dB)
67.0 78.4 45.7 100.6
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Brüel & Kjær 2250 3011133 03/10/2022
Microphone Brüel & Kjær 4189 3086765 03/10/2022
Preamp Brüel & Kjær ZC 0032 25380 03/10/2022
Calibrator Brüel & Kjær 4231 2545667 03/10/2022
Weather Data
Est.
Duration: 10 minutes Sky: Clear
Note: dBA Offset = 0.02 Sensor Height (ft): 5 ft
Wind Ave Speed (mph / m/s) Temperature (degr ees Fahrenheit) Barometer Pressure (inches) 2 mph 50 30.19
Photo of Measurement Location
2250
Instrument: 2250
Application: BZ7225 Version 4.7.6
Start Time: 12/14/2022 10:45:28
End Time: 12/14/2022 10:55:28
Elapsed Time: 00:10:00
Bandwidth: 1/3-octave
Max Input Level: 142.16
Time Frequency
Broadband (excl. Peak):FSI AC
Broadband Peak: C
Spectrum: FS Z
Instrument Serial Number: 3011133
Microphone Serial Number: 3086765
Input: Top Socket
Windscreen Correction: UA-1650
Sound Field Correction: Free-field
Calibration Time: 12/14/2022 09:00:19
Calibration Type: External reference
Sensitivity: 43.4110201895237 mV/Pa
SSC_004
Start End ElapsedOverloadLAeqLAFmaxLAFmin
time time time [%] [dB] [dB] [dB]
Value 0.00 67.0 78.4 45.7
Time 10:45:28 AM10:55:28 AM0:10:00
Date 12/14/202212/14/2022
Cursor: (A) Leq=67.0 dB LFmax=78.4 dB LFmin=45.7 dB
SSC_004
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20
30 40
50 60
70 80
90 100
110
120
130
dB 12/14/2022 10:45:28 AM - 10:55:28 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_004
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:45:28 AM - 10:55:28 AM dB
L1 = 75.0 dB
L5 = 72.5 dB
L10 = 71.1 dB
L50 = 64.7 dB
L90 = 51.8 dB
L95 = 49.6 dB
L99 = 47.7 dB
Level Cumulative
Cursor: 12/14/2022 10:50:27 AM - 10:50:28 AM LAIeq=60.2 dB LAFmax=60.3 dB LCpeak=78.0 dB LAFmin=58.7 dB SSC_004
10:46:00 AM 10:48:00 AM 10:50:00 AM 10:52:00 AM 10:54:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_004
Start ElapsedLAIeqLAFmaxLAFmin
time time [dB] [dB] [dB]
Value 60.2 60.3 58.7
Time 10:50:27 AM0:00:01
Date 12/14/2022
Cursor: (A) Leq=59.5 dB
SSC_004
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:50:27 AM - 10:50:28 AM
Hz
LZeq
Cursor: 12/14/2022 10:45:28 AM - 11:45:28 AM LAIeq=68.3 dB LAFmax=78.4 dB LCpeak=100.6 dB LAFmin=45.7 dB SSC_004 Periodic reports
10:50:00 AM 11:00:00 AM 11:10:00 AM 11:20:00 AM 11:30:00 AM 11:40:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_004 Periodic reports
Start ElapsedOverloadLAIeqLAFmaxLAFmin
time time [%] [dB] [dB] [dB]
Value 0.00 68.3 78.4 45.7
Time 10:45:28 AM0:10:00
Date 12/14/2022
Cursor: (A) Leq=67.0 dB LFmax=78.4 dB LFmin=45.7 dB
SSC_004 Periodic reports
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 10:45:28 AM - 10:55:28 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_004 Periodic reports
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 10:45:28 AM - 10:55:28 AM dB
L1 = 75.0 dB
L5 = 72.5 dB
L10 = 71.1 dB
L50 = 64.7 dB
L90 = 51.8 dB
L95 = 49.6 dB
L99 = 47.7 dB
Level Cumulative
Site Number: NM-5
Recorded By: Darshan Shivaiah, Tina Yuan
Job Number: 184659
Date: 12/14/22
Time: 11:39 a.m.
Location: On the sidewalk of Larkmead Court
Source of Ambient Noise: Traffic noise along Nason Street Source of Peak Noise: NA
Noise Data
Leq (dB) Lmax(dB) Lmin (dB) Peak (dB)
47.1 57.9 37.9 80.5
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Brüel & Kjær 2250 3011133 03/10/2022
Microphone Brüel & Kjær 4189 3086765 03/10/2022
Preamp Brüel & Kjær ZC 0032 25380 03/10/2022
Calibrator Brüel & Kjær 4231 2545667 03/10/2022
Weather Data
Est.
Duration: 10 minutes Sky: Clear
Note: dBA Offset = 0.02 Sensor Height (ft): 5 ft
Wind Ave Speed (mph / m/s) Temperature (degr ees Fahrenheit) Barometer Pressure (inches) 2 mph 50 30.19
Photo of Measurement Location
2250
Instrument: 2250
Application: BZ7225 Version 4.7.6
Start Time: 12/14/2022 11:38:22
End Time: 12/14/2022 11:48:22
Elapsed Time: 00:10:00
Bandwidth: 1/3-octave
Max Input Level: 142.16
Time Frequency
Broadband (excl. Peak):FSI AC
Broadband Peak: C
Spectrum: FS Z
Instrument Serial Number: 3011133
Microphone Serial Number: 3086765
Input: Top Socket
Windscreen Correction: UA-1650
Sound Field Correction: Free-field
Calibration Time: 12/14/2022 09:00:19
Calibration Type: External reference
Sensitivity: 43.4110201895237 mV/Pa
SSC_007
Start End ElapsedOverloadLAeqLAFmaxLAFmin
time time time [%] [dB] [dB] [dB]
Value 0.00 47.1 57.9 37.9
Time 11:38:22 AM11:48:22 AM0:10:00
Date 12/14/202212/14/2022
Cursor: (A) Leq=47.1 dB LFmax=57.9 dB LFmin=37.9 dB
SSC_007
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20
30 40
50 60
70 80
90 100
110
120
130
dB 12/14/2022 11:38:22 AM - 11:48:22 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_007
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 11:38:22 AM - 11:48:22 AM dB
L1 = 55.1 dB
L5 = 52.0 dB
L10 = 50.2 dB
L50 = 45.1 dB
L90 = 41.3 dB
L95 = 40.7 dB
L99 = 39.3 dB
Level Cumulative
Cursor: 12/14/2022 11:43:21 AM - 11:43:22 AM LAIeq=45.2 dB LAFmax=45.9 dB LCpeak=69.8 dB LAFmin=43.8 dB SSC_007
11:39:00 AM 11:41:00 AM 11:43:00 AM 11:45:00 AM 11:47:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_007
Start ElapsedLAIeqLAFmaxLAFmin
time time [dB] [dB] [dB]
Value 45.2 45.9 43.8
Time 11:43:21 AM0:00:01
Date 12/14/2022
Cursor: (A) Leq=44.7 dB
SSC_007
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 11:43:21 AM - 11:43:22 AM
Hz
LZeq
Cursor: 12/14/2022 11:38:22 AM - 12:38:22 PM LAIeq=48.8 dB LAFmax=57.9 dB LCpeak=80.5 dB LAFmin=37.9 dB SSC_007 Periodic reports
11:40:00 AM 11:50:00 AM 12:00:00 PM 12:10:00 PM 12:20:00 PM 12:30:00 PM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_007 Periodic reports
Start ElapsedOverloadLAIeqLAFmaxLAFmin
time time [%] [dB] [dB] [dB]
Value 0.00 48.8 57.9 37.9
Time 11:38:22 AM0:10:00
Date 12/14/2022
Cursor: (A) Leq=47.1 dB LFmax=57.9 dB LFmin=37.9 dB
SSC_007 Periodic reports
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 11:38:22 AM - 11:48:22 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% SSC_007 Periodic reports
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 11:38:22 AM - 11:48:22 AM dB
L1 = 55.1 dB
L5 = 52.0 dB
L10 = 50.2 dB
L50 = 45.1 dB
L90 = 41.3 dB
L95 = 40.7 dB
L99 = 39.3 dB
Level Cumulative
Site Number: NM-6
Recorded By: Darshan Shivaiah, Tina Yuan
Job Number: 184659
Date: 12/14/22
Time: 11:22 a.m.
Location: At the intersection of Marion Road and Alessandro Boulevard Source of Ambient Noise: Traffic noise along Alessandro Boulevard Source of Peak Noise: Trucks passing by along Alessandro Boulevard Noise Data
Leq (dB) Lmax(dB) Lmin (dB) Peak (dB)
64.0 83.6 33.5 101.9
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Brüel & Kjær 2250 3011133 03/10/2022
Microphone Brüel & Kjær 4189 3086765 03/10/2022
Preamp Brüel & Kjær ZC 0032 25380 03/10/2022
Calibrator Brüel & Kjær 4231 2545667 03/10/2022
Weather Data
Est.
Duration: 10 minutes Sky: Clear
Note: dBA Offset = 0.02 Sensor Height (ft): 5 ft
Wind Ave Speed (mph / m/s) Temperature (degr ees Fahrenheit) Barometer Pressure (inches) 2 mph 50 30.19
Photo of Measurement Location
2250
Instrument: 2250
Application: BZ7225 Version 4.7.6
Start Time: 12/14/2022 11:21:50
End Time: 12/14/2022 11:31:50
Elapsed Time: 00:10:00
Bandwidth: 1/3-octave
Max Input Level: 142.16
Time Frequency
Broadband (excl. Peak):FSI AC
Broadband Peak: C
Spectrum: FS Z
Instrument Serial Number: 3011133
Microphone Serial Number: 3086765
Input: Top Socket
Windscreen Correction: UA-1650
Sound Field Correction: Free-field
Calibration Time: 12/14/2022 09:00:19
Calibration Type: External reference
Sensitivity: 43.4110201895237 mV/Pa
SSC_006
Start End ElapsedOverloadLAeqLAFmaxLAFmin
time time time [%] [dB] [dB] [dB]
Value 0.00 64.0 83.6 33.5
Time 11:21:50 AM11:31:50 AM0:10:00
Date 12/14/202212/14/2022
Cursor: (A) Leq=64.0 dB LFmax=83.6 dB LFmin=33.5 dB
SSC_006
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20
30 40
50 60
70 80
90 100
110
120
130
dB 12/14/2022 11:21:50 AM - 11:31:50 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.3% SSC_006
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 11:21:50 AM - 11:31:50 AM dB
L1 = 73.6 dB
L5 = 70.0 dB
L10 = 68.0 dB
L50 = 54.2 dB
L90 = 40.8 dB
L95 = 39.1 dB
L99 = 35.3 dB
Level Cumulative
Cursor: 12/14/2022 11:26:49 AM - 11:26:50 AM LAIeq=41.6 dB LAFmax=39.6 dB LCpeak=67.5 dB LAFmin=37.7 dB SSC_006
11:22:00 AM 11:24:00 AM 11:26:00 AM 11:28:00 AM 11:30:00 AM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_006
Start ElapsedLAIeqLAFmaxLAFmin
time time [dB] [dB] [dB]
Value 41.6 39.6 37.7
Time 11:26:49 AM0:00:01
Date 12/14/2022
Cursor: (A) Leq=38.3 dB
SSC_006
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 11:26:49 AM - 11:26:50 AM
Hz
LZeq
Cursor: 12/14/2022 11:21:50 AM - 12:21:50 PM LAIeq=65.9 dB LAFmax=83.6 dB LCpeak=101.9 dB LAFmin=33.5 dB SSC_006 Periodic reports
11:30:00 AM 11:40:00 AM 11:50:00 AM 12:00:00 PM 12:10:00 PM 12:20:00 PM 20 40
60 80
100
120
140
Sound
dB
LAIeq LAFmax LCpeak LAFmin
SSC_006 Periodic reports
Start ElapsedOverloadLAIeqLAFmaxLAFmin
time time [%] [dB] [dB] [dB]
Value 0.00 65.9 83.6 33.5
Time 11:21:50 AM0:10:00
Date 12/14/2022
Cursor: (A) Leq=64.0 dB LFmax=83.6 dB LFmin=33.5 dB
SSC_006 Periodic reports
12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20
40 60
80 100
120
140
dB 12/14/2022 11:21:50 AM - 11:31:50 AM
Hz
LZeq LZFmax LZFmin
Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.3% SSC_006 Periodic reports
20 30 40 50 60 70 80 90 100 110 120 130 140
0 10
20 30
40 50
60 70
80 90
100
% Based on LAF , 10ms Class width: 0.2 dB 12/14/2022 11:21:50 AM - 11:31:50 AM dB
L1 = 73.6 dB
L5 = 70.0 dB
L10 = 68.0 dB
L50 = 54.2 dB
L90 = 40.8 dB
L95 = 39.1 dB
L99 = 35.3 dB
Level Cumulative
TRAFFIC NOISE LEVELS AND NOISE CONTOURS
Project Number: 184659
Project Name: TTM 38443
Scenario: Existing Condition
Background Information
Model Description: FHWA Highway Noise Prediction Model (FHWA-RD-77-108) with California Vehicle Noise (CALVENO) Emission Levels.
Source of Traffic Volumes: Trip Generation Table
Community Noise Descriptor: Ldn: CNEL: x
Assumed 24-Hour Traffic Distribution: Day Evening Night Total ADT Volumes 77.50% 12.90% 9.60%
Medium-Duty Trucks 84.80% 4.90% 10.30%
Heavy-Duty Trucks 86.50% 2.70% 10.80%
Design Vehicle Mix Distance from Centerline of Roadway
Analysis Condition Median ADT Speed Alpha Medium Heavy CNEL at Distance to Contour Calc Roadway, Segment Lanes Width Volume (mph) Factor Trucks Trucks 100 Feet 70 CNEL 65 CNEL 60 CNEL 55 CNEL Dist Cottonwood Avenue
Nason Street to Project's Western Boundary 2 0 4,314 40 0.5 1.8% 0.7% 56.5 - - 59 126 100 Alessandro Boulevard
Lasselle Street to Morrison Street 2 0 25,775 50 0.5 1.8% 0.7% 66.6 59 128 275 592 100 Alessandro Boulevard
Morrison Street to Nason Street 2 0 22,307 50 0.5 1.8% 0.7% 66.0 54 116 250 538 100 Alessandro Boulevard
Nason to Project's Western Boundary 2 0 24,320 50 0.5 1.8% 0.7% 66.3 57 123 264 570 100 1 Distance is from the centerline of the roadway segment to the receptor location. "-" = contour is located within the roadway right-of-way.
NA = not applicable (does not exist without project)
Michael Baker International Page 1
TRAFFIC NOISE LEVELS AND NOISE CONTOURS
Project Number: 184659
Project Name: TTM 38443
Scenario: Existing plus Project Condition
Background Information
Model Description: FHWA Highway Noise Prediction Model (FHWA-RD-77-108) with California Vehicle Noise (CALVENO) Emission Levels.
Source of Traffic Volumes: Trip Generation Table
Community Noise Descriptor: Ldn: CNEL: x
Assumed 24-Hour Traffic Distribution: Day Evening Night Total ADT Volumes 77.50% 12.90% 9.60%
Medium-Duty Trucks 84.80% 4.90% 10.30%
Heavy-Duty Trucks 86.50% 2.70% 10.80%
Design Vehicle Mix Distance from Centerline of Roadway
Analysis Condition Median ADT Speed Alpha Medium Heavy CNEL at Distance to Contour Calc Roadway, Segment Lanes Width Volume (mph) Factor Trucks Trucks 100 Feet 70 CNEL 65 CNEL 60 CNEL 55 CNEL Dist Cottonwood Avenue
Cottonwood Avenue from Nason Street to Project's Western Boundary 2 0 5,066 40 0.5 1.8% 0.7% 57.2 - - 65 141 100 Alessandro Boulevard
Alessandro Boulevard from Lasselle Street to Morrison Street 2 0 26,089 50 0.5 1.8% 0.7% 66.6 60 129 277 597 100 Alessandro Boulevard
Alessandro Boulevard from Morrison Street to Nason Street 2 0 22,647 50 0.5 1.8% 0.7% 66.0 54 117 252 543 100 Alessandro Boulevard
Alessandro Boulevard from Nason to Project's Western Boundary 2 0 24,546 50 0.5 1.8% 0.7% 66.4 57 124 266 573 100 1 Distance is from the centerline of the roadway segment to the receptor location. "-" = contour is located within the roadway right-of-way.
NA = not applicable (does not exist without project)
Michael Baker International Page 2
TRAFFIC NOISE LEVELS AND NOISE CONTOURS
Project Number: 184659
Project Name: TTM 38443
Scenario: Buildout Year 2040 Condition
Background Information
Model Description: FHWA Highway Noise Prediction Model (FHWA-RD-77-108) with California Vehicle Noise (CALVENO) Emission Levels.
Source of Traffic Volumes: Trip Generation Table
Community Noise Descriptor: Ldn: CNEL: x
Assumed 24-Hour Traffic Distribution: Day Evening Night Total ADT Volumes 77.50% 12.90% 9.60%
Medium-Duty Trucks 84.80% 4.90% 10.30%
Heavy-Duty Trucks 86.50% 2.70% 10.80%
Design Vehicle Mix Distance from Centerline of Roadway
Analysis Condition Median ADT Speed Alpha Medium Heavy CNEL at Distance to Contour Calc Roadway, Segment Lanes Width Volume (mph) Factor Trucks Trucks 100 Feet 70 CNEL 65 CNEL 60 CNEL 55 CNEL Dist Cottonwood Avenue
Cottonwood Avenue from Nason Street to Project's Western Boundary 4 12 4,259 50 0.5 1.8% 0.7% 59.0 - - 85 183 100 Alessandro Boulevard
Alessandro Boulevard from Lasselle Street to Morrison Street 6 14 27,063 50 0.5 1.8% 0.7% 67.3 66 142 305 657 100 Alessandro Boulevard
Alessandro Boulevard from Morrison Street to Nason Street 6 14 23,099 50 0.5 1.8% 0.7% 66.6 - 127 275 592 100 Alessandro Boulevard
Alessandro Boulevard from Nason to Project's Western Boundary 6 14 25,536 50 0.5 1.8% 0.7% 67.0 63 136 294 632 100 1 Distance is from the centerline of the roadway segment to the receptor location. "-" = contour is located within the roadway right-of-way.
NA = not applicable (does not exist without project)
Michael Baker International Page 3
TRAFFIC NOISE LEVELS AND NOISE CONTOURS
Project Number: 184659
Project Name: TTM 38443
Scenario: Buildout Year 2040 plus Project Condition
Background Information
Model Description: FHWA Highway Noise Prediction Model (FHWA-RD-77-108) with California Vehicle Noise (CALVENO) Emission Levels.
Source of Traffic Volumes: Trip Generation Table
Community Noise Descriptor: Ldn: CNEL: x
Assumed 24-Hour Traffic Distribution: Day Evening Night Total ADT Volumes 77.50% 12.90% 9.60%
Medium-Duty Trucks 84.80% 4.90% 10.30%
Heavy-Duty Trucks 86.50% 2.70% 10.80%
Design Vehicle Mix Distance from Centerline of Roadway
Analysis Condition Median ADT Speed Alpha Medium Heavy CNEL at Distance to Contour Calc Roadway, Segment Lanes Width Volume (mph) Factor Trucks Trucks 100 Feet 70 CNEL 65 CNEL 60 CNEL 55 CNEL Dist Cottonwood Avenue
Cottonwood Avenue from Nason Street to Project's Western Boundary 4 12 5,281 50 0.5 1.8% 0.7% 59.9 - - 98 212 100 Alessandro Boulevard
Alessandro Boulevard from Lasselle Street to Morrison Street 6 14 27,377 50 0.5 1.8% 0.7% 67.3 66 143 308 663 100 Alessandro Boulevard
Alessandro Boulevard from Morrison Street to Nason Street 6 14 23,439 50 0.5 1.8% 0.7% 66.6 - 129 277 597 100 Alessandro Boulevard
Alessandro Boulevard from Nason to Project's Western Boundary 6 14 25,762 50 0.5 1.8% 0.7% 67.1 64 137 295 636 100 1 Distance is from the centerline of the roadway segment to the receptor location. "-" = contour is located within the roadway right-of-way.
NA = not applicable (does not exist without project)
Michael Baker International Page 4