❓ This WA parliamentary question concerns the cost, maintenance, and monitoring of the Liege Street Wetland in the Canning Plain Catchment. It details construction costs, ongoing maintenance expenses, and water quality monitoring practices.
AnsweredQoN 5992Legislative Council
QuestionView source ↗
(4) Yes (5) Yes (6) (a) Water quality monitoring is undertaken monthly and during rainfall events to determine the performance of the wetland. (b) [See tabled paper no] (c) Not applicable (7) Not applicable (8) Please see response to Question 6b. Notice: This document is created or edited using unregistered or evaluation copy of rtLib valid for testing or development purposes only. To use it for productive or any other purposes please register it. You may purchase the license on http://www.rtlib.com
AnswerView source ↗
Answered
16 October 2012
Responded by
Minister for Mental Health representing the Minister for Environment
Response time
35 days
(1) The Liege Street Wetland in the Canning Plain Catchment cost $1,002,145 to build. This figure is inclusive of planning, design and construction, but excludes project partner officer time.
(2) Yes
(3) Costs provided are for the 4ha Liege Street Wetland site, which includes approximately 1ha of constructed wetland. Since construction costs for activities such as weed and erosion control, replanting and maintaining hydraulic infrastructure paid for by the Swan River Trust, the City of Canning, Water Corporation and Department of Environment and Conservation are as follows:
Year
Costs
2005/06
$50,239.00
2006/07
$50,297.62
2007/08
$45,689.71
2008/09
$44,591.50
2009/10
$44,097.00
2010/11
$53,935.50
2011/12*
$423,129.99
Total
$711,980.32
*Includes dredging, changes to wetland levels and revegetation
(4) Yes
(5) Yes
(6) (a) Water quality monitoring is undertaken monthly and during rainfall events to determine the performance of the wetland.
(b) [See tabled paper no]
(c) Not applicable
(7) Not applicable
(8) Please see response to Question 6b.
Notice: This document is created or edited using unregistered or evaluation copy of rtLib valid for testing or development purposes only. To use it for productive or any other purposes please register it. You may purchase the license on
http://www.rtlib.com
(2) Yes
(3) Costs provided are for the 4ha Liege Street Wetland site, which includes approximately 1ha of constructed wetland. Since construction costs for activities such as weed and erosion control, replanting and maintaining hydraulic infrastructure paid for by the Swan River Trust, the City of Canning, Water Corporation and Department of Environment and Conservation are as follows:
Year
Costs
2005/06
$50,239.00
2006/07
$50,297.62
2007/08
$45,689.71
2008/09
$44,591.50
2009/10
$44,097.00
2010/11
$53,935.50
2011/12*
$423,129.99
Total
$711,980.32
*Includes dredging, changes to wetland levels and revegetation
(4) Yes
(5) Yes
(6) (a) Water quality monitoring is undertaken monthly and during rainfall events to determine the performance of the wetland.
(b) [See tabled paper no]
(c) Not applicable
(7) Not applicable
(8) Please see response to Question 6b.
Notice: This document is created or edited using unregistered or evaluation copy of rtLib valid for testing or development purposes only. To use it for productive or any other purposes please register it. You may purchase the license on
http://www.rtlib.com
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