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| Date post: | 10-Aug-2015 |
| Category: |
Education |
| Upload: | angeline-kh |
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5.3.1 Acoustic Data (a) Sound absorption coefficient on the building materials
Zone Category Material Absorption Coefficient Colour Surface Texture
500Hz 2000Hz 4000Hz Grey Smooth
A-F
Ceiling Wall Floor
Smooth Unpainted Concrete
0.02 0.02 0.05
D
Wall Column
Red Brick
0.03 0.05 0.07 Red Rough
B
Curtain Glass (6mm)
Wall
0.04 0.02 0.02 Transparent Smooth
5.3.1.1 Non-Peak Hours Acoustic Data and Peak Hours Acoustic Data
Zone Coordinate
Non-peak hour reading (dB)
Peak hour reading
(dB)
A
C9 69 63
D9 71 60
E9 69 61
F9 71 61
G9 63 60
H9 71 65
I9 70 61
Highest reading 71 65
Lowest reading 63 60
Zone Coordinate
Non-peak hour reading (dB)
Peak hour reading
(dB)
B
C8 60 84
D6 61 74
D7 62 67
D8 62 69
E6 69 76
E7 65 65
E8 60 67
F6 60 60
F7 63 63
F8 60 65
G6 62 65
G7 60 64
G8 66 61
H6 // //
H7 61 64
H8 62 75
I9 70 61
Highest reading 70 84
Lowest reading 60 60
Zone Coordinate
Non-peak hour reading (dB)
Peak hour reading
(dB)
C
D3 61 67
D4 64 70
D5 65 74
E3 65 74
E4 60 67
E5 63 69
F3 60 70
F4 61 64
F5 61 78
G3 67 67
G4 61 65
G5 61 65
Highest reading 67 78
Lowest reading 60 65
Zone Coordinate
Non-peak hour
reading (dB)
Peak hour reading
(dB)
D
A1 / /
A2 61 67
A3 60 66
A4 62 72
A5 64 75
A6 60 75
A7 60 73
B1 / /
B2 65 66
B3 62 68
B4 62 70
B5 60 73
B6 60 78
B7 63 77
Highest reading 65 78
Lowest reading 60 66
`
Zone Category Material Absorption Coefficient Colour Surface Texture
500Hz 2000Hz 4000Hz
A-D
Furniture (Table and Chair)
Timber
0.22 0.38 0.30 Dark Brown
Rough
F
Furniture (Table and Chair)
Plastic
0.14 0.14 0.40 White Smooth
Zone Coordinate Non-peak hour
reading (dB) Peak hour
reading (dB)
E
D1 61 70
D2 65 72
E1 62 69
E2 79 74
F1 64 70
F2 62 71
G1 64 78
G2 62 68
Highest reading 79 78
Lowest reading 61 68
Zone Coordinate Non-peak hour
reading (dB) Peak hour
reading (dB)
F
C1 62 67
C2 64 69
C3 62 70
C4 64 72
C5 60 76
C6 62 76
C7 61 72
Highest reading 64 76
Lowest reading 60 67
Zone Category Material Absorption Coefficient Colour Surface Texture
500Hz 2000Hz 4000Hz
A, B, D
Wall Painted Concrete Wall
0.06 0.09 0.08 Grey Rough
-
Adults per person standing
0.42 0.42 0.42 - -
![TRI-PANEL [ACOUSTIC] - Brownlee Lighting...6” h low-profile white acrylic drum, with three 0.50” thick sound absorbing acoustic panels (0.45 NRC rating) attached to the outer wall.](https://static.documents.pub/doc/80x56/60c5667007983d38375d1c68/tri-panel-acoustic-brownlee-lighting-6a-h-low-profile-white-acrylic-drum.jpg)
