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SEPTEMBER KEY FIGURES

		Sep qtr 07	Jun qtr 07 to Sep qtr 07	Sep qtr 06 to Sep qtr 07
		$m	% change	% change
TREND ESTIMATES VOLUME TERMS(a)
Value of work done
	For the private sector	8 449.4	0.8	21.7
	For the public sector(b)	4 222.1	1.8	-6.4
	Total engineering construction	12 668.1	1.1	10.6
SEASONALLY ADJUSTED VOLUME TERMS(a)
Value of work done
	For the private sector	8 272.3	-3.4	22.6
	For the public sector(b)	4 310.9	10.2	0.6
	Total engineering construction	12 583.2	0.8	14.1
(a) Chain volume measures, reference year 2005-06.
(b) Includes work done by the private sector for the public sector and work done by the public sector.

Value of work done, Total engineering - Volume terms

Value of work done, Volume terms - Trend estimates

SEPTEMBER KEY POINTS


VALUE OF WORK DONE, VOLUME TERMS

TOTAL

• The trend estimate for the value of total engineering construction work done rose by 1.1% in the September 2007 quarter.
• The seasonally adjusted estimate for the value of total engineering construction work done rose 0.8%, to $12,583.2m, in the September quarter.

• The trend estimate for the value of work done for the private sector rose by 0.8% in the September quarter.
• The seasonally adjusted estimate for the value of work done for the private sector fell 3.4% in the September quarter to $8,272.3m.

• The trend estimate for the value of work done for the public sector rose by 1.8% in the September quarter.
• The seasonally adjusted estimate for the value of work done for the public sector rose 10.2%, to $4,310.9m, in the September quarter.

• The value of work commenced in September quarter was $27,673.2m, an increase of 109.7% from the June quarter.

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.

INQUIRIES

For further information about these and related statistics, contact the National Information and Referral Service on 1300 135 070 or Willie Hynd on Adelaide (08) 8237 7381.