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Legislative Assembly for the ACT: 1998 Week 5 Hansard (27 August) . . Page.. 1574 ..

1997/98 Month of Actual Expenditure
Expenditure

July 1997 $146,640

August 1997 $355,862

September 1997 $87 ,333

October 1997 $306,159

November 1997 $181,021

December 1997 $196,212

January 1998 $161,589

February 1998 $164,161

March 1998 $177,771

April 1998 $149,352

May 1998 $340,609

June 1998 $765,638

Maintenance costs are not held in the format requested. Therefore the costs cannot be broken into the categories of (a) size of main, and (b) location of main.

Fluctuations from year to year and month to month are caused by variations in the volume and nature of reactive maintenance and the time in bringing costs to account. The figure for June 1998 includes all accruals for the financial year. Accruals are expenditures incurred on work performed during the financial year including such items as materials, plant hire, contract payments etc. for which invoices have not yet been received or payments actually made.

(2) The annual maintenance programme includes preventive maintenance, repairs and replacement of pipes etc. Preventive maintenance includes CCTV inspection, hand and mechanical rodding of sewers, high pressure water jet cleaning and the application root inhibiting foam to control root intrusion.

Over the period concerned a number of new technologies and systems have been trialed and/or adopted in order to reduce reliance on expensive and often inefficient manual rodding which had traditionally been used and was associated with high injury rates.

In order to be cost effective, preventive programmes are targeted to known high incident areas rather than the system as a whole.

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