PROJECTKaikouraroadandrailtunnels
Projectsheet-Kaikouratunnels.docx/Page1of2
Projectname: Kaikouraroadandrailtunnels
Client: NCTIR
Projectdate: 2017-2018
ProjectdescriptionThedamagecausedbythe7.8magnitudeNovember2016KaikouraearthquaketotheMainNorthLinerailway(andSH1alongtheeastcoastoftheSouthIsland)wasunprecedentedinNewZealand.Therewere60majordamagesitesalongtheMNL,includingtunnels,bridgesandembankments.Geotechhavehadtwotunnelcrewsandsupportstaffprovidingtunnelremediationservicesincluding:
• Slipanddebrisclearance• Portalrepairworks• Newportalestablishment• Improvementstotunnelentrygeometry• Ground and tunnel support through rock bolting, resin anchoring and
grouting• Rockmilling• Improvementstotunnelwidths• Applicationoffibrereinforcedshotcrete(FRS)• Repairsandreplacementofdamagedconcreteliner• Installationoftunnellighting
ResourcesappliedArangeofresourcesweremobilisedtoKaikouratosupporttheproject,including:
• Excavators• Roadtrucks• WA250wheelloader• Toro307loaderwithmancage• ErkatmillingmachinemountedonPC300• Tunnellightingandfans• Compressorsandgensets• AtlasCopcocombi-cutterCC1700• Hiabandworkplatforms• BohlerJumbodrillrig• Marinidrills• Clark1500groutpumps• Electricgroutpump• Craeliusinjectiongroutpump• AtlasCopcoUnigroutpump
PROJECTKaikouraroadandrailtunnels
Projectsheet-Kaikouratunnels.docx/Page2of2
GEOTECHGROUNDENGINEERING7370StateHighway6Charleston,BullerWestCoast,NewZealandwww.geotech.net.nz
ServicesGeotechhaveprovidedskilled,experiencedoperatorstoprovidearangeofservicesincludingexcavation,trucking/cartage,specialistunderground/tunnelworks,specialistelectricalworksandsupportlabour.Wehavetwocertifiedtunnelmanagersandarangeofspecialistunderground/tunnelequipmentthathasbeenmobilisedfortheproject.AllstaffworkinginthetunnelshavecompletedundergroundtunneltrainingtoUS7146orhigherandholdConstructSafelicences.Manystaffhaveawiderangeofundergroundandtunnelunitstandards,alongwithyearsoftunnelworksexperience.ProjectvalueInexcessof$1milliontodate(ongoingcontract)
