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SH1 SLIP 3 KAIKOURA

Slope stabilisation works on the majestic Kaikoura coastline in NZ following the destructive 2016 earthquakes

Project Overview

 

A major slip developed above SH1 just south of the Kaikoura Airport because of the 2016 7.8 magnitude Kaikoura Earthquake. The head scarp was over 60m above the state highway and over 90m across at the toe of the slip which consisted of friable soil and rock overlying a highly fractured greywacke bedrock.

 

The slip required around 3500m2 of actively stabilized TECCO G65/3 mesh with over 600No. 40/16 hollow bar DCP anchors installed under a grout flush to 6-9m in depth.

 

Geovert Solution

 

Due to the requirement to keep one lane open, Geovert proposed to install the mesh and tension it into position prior to undertaking production drilling on the face reducing the risks of falling rocks for road users and ensuring our crews safety.

 

Installing the mesh first allowed the time to  build an 18m high reach telehandler with a radio control unit mounted with a camera at the end of the boom along with a crane platform with that allowed us to drill with high powered hydraulic drills to 60m safely while keeping a lane open on SH1.

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Developing several high reach drilling options with more powerful hydraulic drills enabled the drilling to be completed in less than half the expected time with light weight pneumatic equipment, driving down cost and opening SH1 up to 2 lanes significantly earlier than planned.

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Australia Headquarters

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Block B, Level 1, 

Suite 8 / 247 King St,

Mascot, NSW 2020, 

Australia

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+61 (2) 9700 7975

New Zealand Headquarters

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15 Kaimahi Rd
Wairau Valley
North Shore 0627

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+64 9 837 7808

United States Headquarters

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1919 W Elk Pl
Denver, CO 80211
United States

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+1 720 452 1191

Singapore Headquarters

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80 Robinson Road, #02-00
Singapore 068898

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+65 9640 2997

Asset Integrity Maintenance 

Capabilities:

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Blasting and Painting

Bridge Maintenance

Certified Fall Arrest Anchor Systems

Concrete Condition Inspections

Concrete Repair and Crack Injections

Condition Surveys

Confined Space

Corrosion Management

Fabrication and Welding

Industrial Cleaning and Water Blasting

Non-Destructive Testing (NDT)

Plant Shutdowns

Protective Coatings and Waterproofing

Refractory Maintenance

Rope Access

Rigging and Heavy Lifting

Seismic and Structural Strengthening

Temporary Access Platforms

Avalanche Protection

Capabilities:

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Avalanche barriers and fences

Avalanche towers

Remote avalanche control systems

Snow avalanche protection systems

Snow netting

Basements & Foundations

Capabilities:

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Capping Beams

Ground Anchors

Limited Access Drilling

Micro Piling

Mini Piling

Rock Bolting

Seismic Retrofit

Self Drilled Hollow Bar

Shotcrete

Soil Nails

Temporary Ground Anchors

Timber Pole Walls

Geohazard Mitigation

Capabilities:

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Active Mesh Stabilisation

Debris Flow Barriers

Design and Build

Devegetation

Drill and Blast

Erosion Control

Geotechnical Inspection & Instrumentation

Rockfall Assessments and Investigation

Rockfall Attenuators

Rockfall Barriers

Rockfall Mesh Drapes

Rockfall Modelling

Scaling and Block Removal

Shallow Landslide Barriers

Ground Anchors

Capabilities:

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Ground Anchor Inspection

Ground Anchor Lift Off Test

Permanent Multistrand Ground Anchors

Platipus Anchors

Post Grouted Ground Anchors

Pregrouted Ground Anchors DCP

Removable Ground Anchors

Restressable Ground Anchors

Self Drilled Hollow Bar Anchors

Temporary Multistrand Ground Anchors

Ground Support

Capabilities:

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Active Mesh Stabilisation

Bulk Infil Grouting

Cable Bolts

Drill and Blast

Geotechnical Inspection & Instrumentation

Rockfall Assessments and Investigation

Highwall Stabilisation

Longwall Stabilisation

Portal Protection

Rock Bolting

Rockfall Barriers

Rockfall Mesh Drapes

Rockfall Modelling

Scaling and Block Removal

Retaining Structures

Capabilities:

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Active Mesh Stabilisation

Design and Build

Drill and Blast

Geotechnical Inspection & Instrumentation

Rock Bolting

Rock Bolting

Rockfall Attenuators

Rockfall Barriers

Rockfall Mesh Drapes

Rockfall Modelling

Scaling and Block Removal

Rockfall Protection

Capabilities:

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Active Mesh Stabilisation

Design and Build

Drill and Blast

Geotechnical Inspection & Instrumentation

Rock Bolting

Rock Bolting

Rockfall Attenuators

Rockfall Barriers

Rockfall Mesh Drapes

Rockfall Modelling

Scaling and Block Removal

Rope Access

Capabilities:

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Emergency Response

Geotechnical Instrumentation

Supervised Inspections

Slope Stabilisation

Capabilities:

 

Active Mesh Stabilisation

Devegetation

Erosion Control

Ground Support

Retaining Walls

Rock Bolting

Scaling and Block Removal

Shotcrete

Soil Nails

Tunnelling

Capabilities:

 

Canopy Tubes

Ground Anchors

Injection Grouting

Portal Protection

Rock Bolting

Shotcrete

© 2020 Geovert | Website Designed by Andrew Bui

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