Page 711 - Week 02 - Thursday, 18 February 2016
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(2) Historical records indicate that the Canberra Olympic Pool[s] was first filled in November/December 1955.
(3) Records show the Canberra Olympic Pool has leaked periodically and to varying levels since 22 December 1955.
(4) The Territory does not have records of how much water has been lost at Canberra Olympic Pool since it was first filled in 1955.
(5) Numerous efforts have been made to identify structural damage at the Canberra Olympic Pool over the past four years including:
• August-October 2012 – Investigation of expansion joints in dive pool, which included the removal of the stainless steel cover plates over the expansion joints and repairs to the hypalon flexible joint bandage.
• July 2013 – Concrete coring of the 50m pool and dive pool shells whilst the facility was closed for repainting of the 50m pool. The report provided by the contractor concluded that the 50m pool and dive pool shells were in ‘excellent’ and ‘very good’ condition respectively.
• 2013-15 – As part of each of the leak investigations undertaken between 2013 and 2015 the pool structures and associated plant (balance tank, etc) were all assessed with no visible signs of structural damage.
• November 2014 – Engineer engaged to assess the condition of the balance tank. Report provided by the engineer concluded that the balance tank was in a ‘reasonable condition’ given its age and exposure to moisture.
• May 2015 – Geotechnics contractor engaged to evaluate the content of the soil to eliminate any risk of sink holes caused by the leak. The report provided by the contractor concluded that there is ‘very little likelihood’ of sink holes having been present prior to the construction of the Canberra Olympic Pool or having developed as a result of water leakages from the pools and/or their buried pipe work.
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