Wombarra landslip 'no risk'

By Michelle Webster
Updated November 6 2012 - 12:51am, first published September 15 2010 - 10:53am
Scarborough resident Ben van Loo checks out a landslide caused by overnight heavy rains on the Illawarra escarpment above the northern suburb villages of Wombarra and Scarborough.  Picture: KIRK GILMOUR
Scarborough resident Ben van Loo checks out a landslide caused by overnight heavy rains on the Illawarra escarpment above the northern suburb villages of Wombarra and Scarborough. Picture: KIRK GILMOUR

A Wombarra landslip has carved a dramatic new scar into the face of the escarpment.The rock fall occurred on a section of the escarpment near Morrison Ave during driving rain on Tuesday night.Clearly visible from nearby Lawrence Hargrave Dr, the massive brown blemish sits in stark contrast to the surrounding dark cliffs and thick vegetation.Scarborough resident Ben van Loo yesterday said he was stunned by the size of the rockslide."It's a pretty big fall," he said."Apparently up in the heights they heard it happen, it was about 10.30pm."The site of the landslip is around 800m south of a proposed Wombarra cable car development.While the escarpment's wound may be striking, Wollongong City Council senior geotechnical engineer Peter Tobin said the large rockfall did not pose any risk to nearby homes."That part of the escarpment is heavily forested and naturally terraced so that the debris from the rock fall is not likely to have travelled far down slope - perhaps 100 to 150 metres," he said."The nearest dwelling is in excess of 400 metres down slope and well clear of the debris."Mr Tobin said the rock fall, which occurred on private land, was part of the natural processes of weathering and erosion. The council owns about 5 per cent of land along the escarpment and Mr Tobin said regular geological monitoring was undertaken and the University of Wollongong also carried out landslide research.The Illawarra is no stranger to dangerous, and sometimes tragic, landslips.Harry Graham Dr at Mt Kembla was closed for 2? years after a section of the road collapsed during a landslide.Wollongong City Council spent $3.7 million on stabilising the cliff and rebuilding the road which was reopened late last year.In 1988, a mother and child were killed at Coledale when a landslip caused part of a railway line to collapse onto a house.

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