2012 – Concrete works for 20 townhouse units in Wright St, Mount Cook for Stratum Management. The sloping site iwas extensively excavated to create a large flat site for the townhouses yards, carparking and public spaces. This involves the use of multi level concrete retaining walls some up to 5m high and 400mm thick. Due to the height of the excavation cuts a lot of the excavation and construction of the retaining walls has to be staged and involves extensive underpinning and temporary.