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Information Response - Email 1 of 2 MCU16/0153 & REC16/0041
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Determine façade TL & Rw's using AS3671 & Other Calcs Write in yellow areas only. ####
External to Internal : Leq,1hr -> Leq,1hr2 Correction : 0 Includes Façade Reflection
FALSE Attachment A3
leaved ticked for AS2021 calcs
Desired Inside Level : 45.0 dBA, from Acoustic Quality Objective - Day/Evening
Maximum outside Level : 71.7 dBA ID 8816
Total number of elements : 3 Unit 32
Height, h : 2.7 m Room Living
Floor area, Sf : 21.00 m2
Overall 63 125 250 500 1k 2k 4k
Reverb time, T :
0.85 0.6 0.65 0.8 1 1 0.9 0.9 secs
NR -> Rw correction: 6 dBA (cars = 6, aircraft = 5, rail = 6, 8 or 12)
Proposed
External Level dBA *K Value Calculated TL of Element dB Internal Level dBA
# Element Name Area (sqm) 63 125 250 500 1k 2k 4k SUM (AS2021) TNR Sc/Sf TNAc Rw Internal Level 63 125 250 500 1k 2k 4k Rw 63 125 250 500 1k 2k 4k SUM Rw method
1 windows 4.41 45 54 62 64 64 68 60 71.7 0.0 29 0.2 30 36 40 15 22 34 41 44 45 46 43 31 33 29 25 22 26 17 37 33
2 external walls 8.93 45 54 62 64 64 68 60 71.7 0.0 29 0.4 33 39 40 14 25 43 53 59 60 58 52 35 33 23 16 11 14 8 37 27
3 roof 21.00 37 46 54 56 56 60 52 63.7 0.0 21 1.0 29 35 40 16 30 38 46 51 41 43 46 29 24 24 19 14 28 18 33 29
4 8.5 0.0 0 0.0 0 0 0 -99 -99 -99 -99 -99 -99 -99 -91 0
5 8.5 0 0.0 0 0 0 -99 -99 -99 -99 -99 -99 -99 -91 0
6 8.5 0 0.0 0 0 0 -99 -99 -99 -99 -99 -99 -99 -91 0
7 8.5 0 0.0 0 0 0 -99 -99 -99 -99 -99 -99 -99 -91 0
8 8.5 0 0.0 0 0 0 -99 -99 -99 -99 -99 -99 -99 -91 0
9 8.5 0 0.0 0 0 0 -99 -99 -99 -99 -99 -99 -99 -91 0
10 8.5 0 0.0 0 0 0 -99 -99 -99 -99 -99 -99 -99 -91 0
Total Area : 34.3 Overall Internal Noise Level : Overall Internal Noise Level :
45 37 36 31 26 23 31 21 41 35
with proposed system
Internal Noise Level is 4 better
Element Category Details on Element Construction and Shielding Effects
1 windows Bradnams RW43 - twin slider - 6.38mm laminate, 100mm gap, 5mm toughened, QLON seals
2 external walls RW50 Infill wall 9mm FC 90mm stud with 75mm thick insulation 11kg/m3,1x13mm plaster board soundchek
3 roof sheetmetal, cavity anticon insulation, 1x13mm plasterboard soundchek
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8816_AS3671 and AS2021 Facade Calculator_SMPv5.1.xlsm 22/03/2017
Loading Dock to Unit 32_liv Page 1 4:04 PM
[OCR of page images]
Determine facade TL & Rw's using AS3671 & OtherCales_=———SS( Write inyellowareas only. =—#####
External to Internal: Leathr->teqin [+]
L Indudes Facade Reflection
Correction: 0 Attachment A3
leaved ticked for AS2021 calcs
Desired Inside Level : 45.0 dBA, from Acoustic Quality Objective - Day/Evening
Maximum outside Level : 717 dBA 1D 8816
Total number of elements : 3 Unit 32
Height, h : 2.7 m Room Living
Floor area, Sf : 21.00 m? I I I I I I ]
.[__ Overall 63 [125] 250] 500] 1k | 2k | 4k
Reverb time, T: 0.85 0.6 [0.65/08] 1 | 1 [09] 09 |secs
NR > Rw correction: 6 JABA (cars = 6, aircraft = 5, rail = 6, 8 or 12)
Proposed
External Level dBA *K value Calculated TL of Element dB Internal Level dBA
# Element Name Area(sqm) | 63 | 125] 250[500| 1k | 2k | 4k | SUM |(AS2021)| TNR | Sc/Sf|TNAc| Rw Internal Level__| 63 [125[250[500| 1k | 2k | 4k [ Rw| 63 [125] 250[500[ 1k | 2k | 4k | SUM [Rw method
1 [windows 441 45 54 62 64 64 68 60 717 | 00 29 | 02 | 30 36 40 15 22 34 41 44 45 46/43/31 33 29 25 22 26 17| 37 33
2|external walls 8.93 45 54 62 64 64 68 60 717 | 0.0 29 | 04 | 33 39 40 14 25 43 53 59 60 58/52/35 33 23 16 11 14 8 | 37 27
3|roof 21.00 37 46 54 56 56 60 52 637] 0.0 21 | 10 | 29 35 40 16 30 38 46 51 41 43/46/29 24 24 19 14 28 18] 33 29
4 8.5 0.0 0 0.0 | 0 0 0 99 -99 -99 -99 -99 -99 -99] -91 0
5 8.5 0 0.0 | 0 0 0 99 -99 -99 -99 -99 -99 -99] -91 0
6 8.5 0 0.0 | 0 0 0 99 -99 -99 -99 -99 -99 -99] -91 0
7 8.5 0 0.0 | 0 0 0 99 -99 -99 -99 -99 -99 -99] -91 0
8 8.5 0 0.0 | 0 0 0 99 -99 -99 -99 -99 -99 -99] -91 0
9 8.5 0 0.0 | 0 0 0 99 -99 -99 -99 -99 -99 -99] -91 0
10 8.5 0 oo | 0 0 0 -99 -99 -99 -99 -99 -99 -99| -91 0
Total Area : Overall Internal Noise Level Overall Internal Noise Level :
5 36 2623 21
with proposed system
Internal Noise Level is [4 | better
[Element Category Details on Element Construction and Shielding Effects
1 [windows Bradnams RW43 - twin slider - 6.38mm laminate, 100mm gap, 5mm toughened, QLON seals
2|external walls RW50 Infill wall 9mm FC 90mm stud with 75mm thick insulation 11kg/m3,1x13mm plaster board soundchek
3|roof Isheetmetal, cavity anticon insulation, 1x13mm plasterboard soundchek
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8816_AS3671 and AS2021 Facade Calculator_SMPv5.1.xism
Loading Dock to Unit 32_liv
Page 1
22/03/2017
4:04 PM
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