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Parking accommodation for the residents of three 8 storey buildings positioned on the original site of the Gosford Quarries is provided for in a multi-level basement car park. The roof of the basement has additional parking and tropical landscaping.
The original construction did not included for waterproofing of the structure. Consequently, shrinkage cracks in the concrete has allowed water penetration resulting in stain damage to the cars underneath and attack on the concrete reinforcing steel making the structure weaker.
The repair option was to demolish the landscaping, install a waterprofing membrane system and reinstate the landscaping and concrete tarmac. The estimated cost to carry out the work was .55 million dollars.
The solution was to inject Hydrogel into the cracks from underneath for less than 10% of the estimated waterproofing rectification cost, and without the disruption and delays asociated with demolition.
The result was another satisfied customer. The owners were surprised to unexpectedly realise that the value of their property increased when the problem of the leaking basement car parking was finally solved.
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