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Slow slip detected on Hill Road

23 Sep 2014

Slow slip detected on Hill Road

Land movement on properties at the top of Hill Road was reported to Gisborne District Council on Saturday morning which led to Council to issue Dangerous Building notices and evacuating residents for their safety.

Property owners noticed hairline cracks on Friday evening with movement in driveways and escarpments near a house.

Council's building and resource consents manager Ian Petty arrived onsite on Saturday morning to assess the situation.  And further to advice from geotechnical engineers Tonkin & Taylor and Land Development & Exploration (LDE), declared two properties to potentially be at risk.

“Council’s main concern is the safety of residents and the decision to vacate those houses most at risk was made at 3pm on Saturday.” says Mr Petty.

“Due to the pro-activeness of owners who had commenced plans to self-evacuate, we were able to have geotechnical engineer expertise to supervise the removal of owners’ possessions and assess how to stabilise the area.”

Measurements of the cracks have been monitored very closely since the slip began to determine if movement is accelerating.

Efforts are presently focused on stabilising the most at risk areas and a horizontal drilling rig is arriving onsite to assist with this process.

Assessment of the neighbouring areas has been done and Council has already contacted all affected property owners on the hill and in Valley Road below.

Mayor Meng Foon says “The slip has caused stress and hardship on the families involved and Council will be doing its best to help home owners.”

 

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