Deep drilling begins in Port Hills

Posted 21 Aug 2012 by MediaStuff
Posted in Media
Work on drilling deep bore holes in the Port Hills will begin later this week.The bore holes are part of the Christchurch City Council's geotechnical investigations and will initially involve work on five sites - Clifton Terrace/Kinsey Tce, Lucas Ln, Deans Head, Richmond Hill and the Moa Bone Cave area.Christchurch City Council environment general manager Jane Parfitt said work on the bore holes was expected to take three months to complete.Some of the bore holes would be drilled as deep as 90 metres to complete core sampling and to put in place monitoring equipment that would detect any slope movement and changes in groundwater levels.''The drilling will enable the council to better understand the nature of the soil, bedrock and groundwater conditions, as well as help inform decisions on planning and development in the Port Hills,'' Parfitt said.The work would also help with decisions on engineering lifeline routes, particularly at Moa Bone Cave, Clifton Tce and Deans Head.The council is advising residents that in areas where the drilling is occurring traffic may be reduced to one-lane and delays could occur.It is also warning that water run-off from the drilling rig could also affect pedestrian access along some footpaths and roads.The drilling rigs will operate from 7am-7pm Monday to Saturday and 10am-7pm on Sundays.
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