Noise study
Acoustic data
Data analysis
Location of walls
Visual and urban integration of anti-noise walls
Where we are today
Where we want to be
Architectural components
Sunlight study
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Presentation anti noise walls good neighbourly relations committee City of Brossard - May 4, 2016
1. › Presentation of anti-noise walls
› Good Neighbourly Relations Committee:
City of Brossard
›New Champlain Bridge Corridor Project
›May 4, 2016
2. New Champlain Bridge Corridor Project 2
› Noise study
• Acoustic data
• Data analysis
• Location of walls
› Visual and urban integration of anti-noise walls
• Where we are today
• Where we want to be
• Architectural components
• Sunlight study
Presentation outline
4. New Champlain Bridge Corridor Project
Noise criteria
The LAeq24h sound level must not exceed:
• 55 dBA if the initial ambient noise level was less than 55 dBA
• An increase in 1 dBA if the initial ambient noise level was
between 55 and 59 dBA
• 60 dBA if the initial ambient noise level was greater than or equal
to 60 dBA
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5. New Champlain Bridge Corridor Project
Noise-sensitive zones
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Noise -sensitive zones
6. New Champlain Bridge Corridor Project
Existing ambient noise level (June 2015)
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Noise sensitive zone
7. New Champlain Bridge Corridor Project
Project’s noise impact in 2050
without off-site roads (including R132)
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Noise sensitive zone
anti-noise wall
9. New Champlain Bridge Corridor Project
Visual and urban integration
Where we are today
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10. New Champlain Bridge Corridor Project
Visual and urban integration
10
Where we are today
11. New Champlain Bridge Corridor Project
Visual and urban integration
11
Where we are today
12. New Champlain Bridge Corridor Project
Visual and urban integration
12
Where we are today
13. New Champlain Bridge Corridor Project
Visual and urban integration
Projected situation of anti-noise walls
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14. New Champlain Bridge Corridor Project
Types of anti-noise walls
TYPE A TYPE B TYPE C
OPAQUE SEMI-OPAQUE TRANSPARENT
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15. New Champlain Bridge Corridor Project
Visual and urban integration
Chromatic transition
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NB-600
W: 535 m
H: 2.5 m
Existing walls
Colour reference
NB-700
W: 125 m
H: 2.0 m
NB-800
W: 80 m
H: 3.5 m
16. New Champlain Bridge Corridor Project
Visual and urban integration
16
September21
2.Sunlight study, Villon street, Brossard/NB 700/800
9:00 am
17. New Champlain Bridge Corridor Project
Visual and urban integration
17
September21
2.Sunlight study, Villon street, Brossard/NB 700/800
11:00 am
18. New Champlain Bridge Corridor Project
Visual and urban integration
18
September21
2.Sunlight study, Villon street, Brossard/NB 700/800
2:00 pm
19. New Champlain Bridge Corridor Project
Visual and urban integration
19
September21
2.Sunlight study, Villon street, Brossard/NB 700/800
5:00 pm
20. New Champlain Bridge Corridor Project
Visual and urban integration
20
September211.Sunlight study, Voltaire street, Brossard/NB 600
9:00 am
21. New Champlain Bridge Corridor Project
Visual and urban integration
21
September211.Sunlight study, Voltaire street, Brossard/NB 600
11:00 am
22. New Champlain Bridge Corridor Project
Visual and urban integration
22
September211.Sunlight study, Voltaire street, Brossard/NB 600
2:00 pm
23. New Champlain Bridge Corridor Project
Visual and urban integration
23
September211.Sunlight study, Voltaire street, Brossard/NB 600
5:00 pm