Workers in safety gear tending a stabilised slope above a winding mountain road

Commercial

The specialist subcontractor for commercial ground works.

Earth Stability works with main contractors, engineers and asset owners as the specialist subcontractor on commercial programmes — slope stabilisation, ground anchoring and rock fall protection delivered reliably, safely and to programme.

We work alongside your project team from day one — complete design and build solutions from initial consultation through design, costing, consents, construction and landscaping. Our innovative construction methods, techniques, management and design routinely provide advantages such as the minimisation of costs and practical solutions for restricted access and environmentally and geologically significant sites.

  • Slope reinforcement / slope and rock face stabilisation
  • Ground anchoring
  • Retaining walls
  • Drilled horizontal drainage
  • Grouting
  • Piling, micropiling and drilling
  • Shotcrete (sprayed concrete)
  • Gabion retaining structures
  • Temporary works
  • Landscaping
  • Anchor testing
  • Rock fall barriers and catch fences
  • Confined space and rope access works
  • Sediment and erosion control
  • Underpinning
Earth Stability crews working on a volcanic rock face above a school sports field

Working with you

A specialist your programme can rely on.

We work alongside main contractors, engineers and asset owners as a trusted partner on specialised civil projects — slotting into your programme with clear planning, disciplined sites and open communication, so ground risk is handled before it reaches your critical path.

  • Early engagement with your design and engineering teams
  • Constructability advice that keeps solutions buildable and economic
  • Method statements, sequencing and traffic management planning
  • Works integrated with your health & safety and QA requirements
  • Self-sufficient crews, tidy sites and a protected public interface
  • Anchor testing, documentation and clean handover records

Reliability

Crews and plant that arrive when we say we will and hold programme — with access, sequencing and traffic management planned before we mobilise.

Quality

Award-winning workmanship backed by ISO 9001 quality and ISO 45001 health & safety systems, with structures built to specification and signed off for handover.

Efficiency

The right tool for the ground — modular rigs for tight and low-headroom sites, rope access where machines can't reach — keeping programmes short and disruption low.

Commercial projects

Anchored rock fall mesh across a reinforced cliff slope below a residential apartment building

Featured project

Pinesong Retirement Village

Stabilisation of a 30-metre cliff beneath a five-storey apartment complex, with extremely restricted access and residents in occupation throughout.

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  • Parnell Baths – Cliff Stability

    Stage-two rockfall protection works at Parnell Baths: soil nails, rockbolts, crest anchors and rockfall mesh, delivered during the baths' shutdown.

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  • Parnell Baths Rockfall Protection

    Stage-one rockfall protection beside Parnell Baths, comprising four debris catch fences and anchored protection along the public reserve below private homes.

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  • Sunkist Bay Slip Stabilisation Works

    Slip stabilisation in a public coastal reserve, including a tied-back timber pile wall, reinforced slopes, drainage, recontouring and native planting.

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  • East Coast Road slips

    Roading slip repairs.

  • Hillcrest Creek widening

    Downstream bank protection on a live watercourse, working from within more than 20 private residences through the peak of winter.

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  • South Yard cliff line works

    Stabilisation of the Devonport Naval Base cliff line above sensitive refuelling equipment and services, with no disruption to base operations.

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  • Norwood Road, Bayswater

    Slip repair works.

  • Huia Aqueduct

    Ground reinforcement works to infrastructure assets.

  • Pohutukawa Road

    Slope stabilisation works.

Talk to us about your next programme

Tell us about the site, the access constraints and the programme dates. We will set out a method, a cost and a construction sequence — and how we will fit in with your team.