Sparks House - A new foundation
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Application/s: Existing Structures
Location: Christchurch
Client: NZ Tax Refunds Ltd
Completed: Jan 2012
Cost: $100k - $500k
Sparks House is a three level commercial building south of Christchurch city centre that suffered significant damage in the February 2011 earthquake.  Following engineering inspections, the building was deemed recoverable however, along with a complete re-fit, a new foundation system was required. 
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Piletech was contracted to design, supply and install 35 new screw piles. A 12 tonne excavator was used to access the inside of the building, installing piles approximately 12 metres deep in just over 3 metres of head room. Piling was then completed with a 35 tonne excavator installing piles around the perimeter of the structure.