report 6 in tunnel august 2012 - roads and maritime services · 2019. 10. 14. · 4 of 9 air...

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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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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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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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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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0

10

20

30

40

50

60

70

80

90

100p

pm

Main Tunnel Eastbound


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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0

10

20

30

40

50

60

70

80

90

100

pp

m

CRX Tunnel


AQS305 CRX E/B exit portal AQS406 CRX W/B exit portal CO Limit

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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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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


AQS301 Mainline E/B (before exhaust tunnel) AQS302 Mainline E/B (before E X-over) Normal Congested Heavy Congestion

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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


AQS305 CRX E/B Exit portal AQS406 CRX W/B Exit portal Normal Congested Heavy Congestion

report 6 in tunnel august 2012 - roads and maritime services · 2019. 10. 14. · 4 of 9 air...

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