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8782.0.65.001 - Construction Activity: Chain Volume Measures, Australia, Sep 2007  
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 21/01/2008   
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These spreadsheets contain revised data for some of the chain volume measures series released in 8755.0 Construction Work Done, Australia, Preliminary.


ENGINEERING CONSTRUCTION ACTIVITY, AUSTRALIA, DECEMBER QTR 2006 (cat. no. 8762.0)

CHANGES IN THIS ISSUE

Telstra Corporation was effectively privatised on 20 November 2006. For the purpose of ABS statistics this change from public sector to private sector is effective from March quarter 2007. This change has impacted on the data series presented in this publication, starting with the March quarter 2007 movements for private and public sector estimates.


As a result the private and public sector trend estimates were suspended for Engineering and Construction Work Done for the March quarter 2007. The publication of trend estimates by sector have been reinstated from the June quarter 2007.


For more information please see ABS Information Paper: Treatment of Telstra in ABS Statistics (cat. no. 8102.0) released 26 February 2007.


From 2007 a new chain volume reference year is updated annually in the September quarter each year. For September 2007 the new reference year will be 2005-06 for chain volume estimates. This will result in revisions to growth rates in quarters following 2005-06 but will preserve additivity in those quarters. For earlier periods re-referencing affects the levels of, but not the movements in, chain volume estimates.



SIGNIFICANT REVISIONS THIS QUARTER

Compared with the current price original terms estimates published in the previous issue of this publication:

  • The June quarter estimates have been revised upwards by $17.6 for work commenced, upwards $55.6m for work done, and downwards $39.8m for work yet to be done. These revisions occurred predominantly in 'Public' 'water storage and supply' in Queensland, and 'Private for Private' 'other minerals' in Western Australia.

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