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Whitewood I Noise Impact Analysis
14984-05-Noise_Study.docx
APPENDIX 11.1:
CONSTRUCTION NOISE LEVEL CALCULATIONS
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Whitewood I Noise Impact Analysis
14984-05-Noise_Study.docx
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14984 - Whitewood I - Construction
CadnaA Noise Prediction Model: 14984-02_Construction.cna Date: 14.11.22
Analyst: B. Maddux
Calculation Configuration
Configuration
Parameter Value
General
Max. Error (dB) 0.00
Max. Search Radius (#(Unit,LEN)) 2000.01
Min. Dist Src to Rcvr 0.00
Partition
Raster Factor 0.50
Max. Length of Section (#(Unit,LEN)) 999.99
Min. Length of Section (#(Unit,LEN)) 1.01
Min. Length of Section (%) 0.00
Proj. Line Sources On
Proj. Area Sources On
Ref. Time
Reference Time Day (min) 960.00
Reference Time Night (min) 480.00
Daytime Penalty (dB) 0.00
Recr. Time Penalty (dB) 5.00
Night-time Penalty (dB) 10.00
DTM
Standard Height (m) 0.00
Model of Terrain Triangulation
Reflection
max. Order of Reflection 2
Search Radius Src 100.00
Search Radius Rcvr 100.00
Max. Distance Source - Rcvr 1000.00 1000.00
Min. Distance Rvcr - Reflector 1.00 1.00
Min. Distance Source - Reflector 0.10
Industrial (ISO 9613)
Lateral Diffraction some Obj
Obst. within Area Src do not shield On
Screening Incl. Ground Att. over Barrier
Dz with limit (20/25)
Barrier Coefficients C1,2,3 3.0 20.0 0.0
Temperature (#(Unit,TEMP)) 10
rel. Humidity (%) 70
Ground Absorption G 0.50
Wind Speed for Dir. (#(Unit,SPEED)) 3.0
Roads (TNM)
Railways (FTA/FRA)
Aircraft (???)
Strictly acc. to AzB
Receiver Noise Levels
Name M. ID Level Lr Limit. Value Land Use Height Coordinates Day Night CNEL Day Night CNEL Type Auto Noise Type X Y Z (dBA) (dBA) (dBA) (dBA) (dBA) (dBA) (ft) (ft) (ft) (ft) R1 R1 59.9 -40.1 56.9 0.0 0.0 0.0 x Total 5.00 r 6283637.35 2162664.63 5.00 R2 R2 62.4 -37.6 59.4 0.0 0.0 0.0 x Total 5.00 r 6283916.91 2163117.50 5.00 R3 R3 52.9 -47.1 49.9 0.0 0.0 0.0 x Total 5.00 r 6283320.55 2162168.10 5.00 R4 R4 60.3 -39.7 57.3 0.0 0.0 0.0 x Total 5.00 r 6285121.58 2162706.87 5.00 R5 R5 62.8 -37.2 59.8 0.0 0.0 0.0 x Total 5.00 r 6284604.85 2163116.41 5.00 R6 R6 58.4 -41.6 55.4 0.0 0.0 0.0 x Total 5.00 r 6285099.64 2163106.65 5.00 Area Source(s)
Name M. ID Result. PWL Result. PWL'' Lw / Li Operating Time Height Day Evening Night Day Evening Night Type Value norm. Day Special Night (ft) (dBA) (dBA) (dBA) (dBA) (dBA) (dBA) dB(A) (min) (min) (min) ConstructionArea ConstructionArea01 115.6 15.6 15.6 67.2 -32.8 -32.8 PWL-Pt 115.6 8 a Name Height Coordinates
Begin End x y z Ground
(ft) (ft) (ft) (ft) (ft) (ft)
ConstructionArea 8.00 a 6283762.34 2163059.62 8.00 0.00 6285001.36 2163049.10 8.00 0.00
6284998.74 2162446.85 8.00 0.00
6284988.35 2162437.15 8.00 0.00
6284227.21 2162441.01 8.00 0.00
6284127.83 2162457.96 8.00 0.00
6283793.70 2162461.69 8.00 0.00
Urban Crossroads, Inc.
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Name Height Coordinates
Begin End x y z Ground
(ft) (ft) (ft) (ft) (ft) (ft)
6283769.85 2162487.35 8.00 0.00
Urban Crossroads, Inc.
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