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Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
M5 East Freeway
Air Quality Report: In Tunnel Air Quality Monitoring
Report 6
August 2012
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2 of 9
Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
Document change control
Confidentiality
This document is the property of Leighton Contractors Pty Limited. The contents of this document are confidential and copyrighted. You should not read,
copy, use or disclose the information contained herein without authorisation. Distribution of this document is limited to authorised personnel.
Reproduction of this document in part or in full in any form, including email and electronic, is not allowed, except by written permission from Leighton
Contractors Pty Limited obtained by the author.
Revision history
Version Issue date Updated by Comments
001 06/09/2012 Joel Coulton Initial revision
002
003
References
Document name Version Abbreviation
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Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
Summary
• CCTV was used to monitor conditions within the tunnels and jet fans were used to increase ventilation to ensure tunnel conditions remained within specified limits.
• There is data missing from the 1st to the 7th of August due to a system error.
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Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
0
10
20
30
40
50
60
70
80
90
100
pp
m
Main Tunnel Westbound
CO Level (15min Time Weighted Average)
CO Limit ACO403 Mainline W/B at Eastern Crossover ACO604 Marsh St entry ramp
AQS403 Mainline W/B (before exhaust tunnel) AQS404 Mainline W/B (before western X-over)
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Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
0
10
20
30
40
50
60
70
80
90
100p
pm
Main Tunnel Eastbound
CO Level (15min Time Weighted Average)
AQS301 Mainline E/B (before exhaust tunnel) ACO301 Mainline E/B (before Princes Hwy exit) ACO302 Mainline E/B (before Marsh St exit)
AQS302 Mainline E/B (before E X-over) CO Limit
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Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
0
10
20
30
40
50
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70
80
90
100
pp
m
CRX Tunnel
CO Level (15min Time Weighted Average)
AQS305 CRX E/B exit portal AQS406 CRX W/B exit portal CO Limit
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Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
0
0.001
0.002
0.003
0.004
0.005
0.006
0.007
0.008
0.009
0.01
un
its/
mMain Tunnel Westbound
Visibility (15min Time Weighted Average)
AQS403 Mainline W/B (before exhaust tunnel) AQS404 Mainline W/B (before Western X-over) Normal Normal Congested Heavy Congestion
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Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
0
0.001
0.002
0.003
0.004
0.005
0.006
0.007
0.008
0.009
0.01
un
its/
m
Main Tunnel Eastbound
Visibility (15min Time Weighted Average)
AQS301 Mainline E/B (before exhaust tunnel) AQS302 Mainline E/B (before E X-over) Normal Congested Heavy Congestion
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9 of 9
Air Quality Report: Vent Monitoring, August 2012 | Company confidential
Leighton Contractors Pty Limited ABN 98 000 893 667 www.leightoncontractors.com.au
0
0.001
0.002
0.003
0.004
0.005
0.006
0.007
0.008
0.009
0.01
un
its/
mCRX Tunnel
Visibility (15min Time Weighted Average)
AQS305 CRX E/B Exit portal AQS406 CRX W/B Exit portal Normal Congested Heavy Congestion
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