■  Expertise

Engineering expertise, built around your project

Civil and structural Chartered Professional Engineers, from design and calculations through to consents, construction supervision and certification.

Worker in hi-vis in the Papakura Water Treatment Plant pump hall

01 / Overview

Practical engineering. Proven experience.

Every project brings its own opportunities, constraints and challenges. We combine technical expertise with practical thinking to develop solutions that work for the site, the people involved and the long-term needs of the project.

Since 1974, ACH has provided structural, civil and environmental engineering across residential, commercial, industrial and public-sector projects, from small alterations and individual homes to multi-storey buildings and essential public infrastructure.

Infrastructure that works hard and stays out of sight.

02 / civil engineering

From small sites and coastal locations to large infrastructure, emergency works and difficult ground, our civil team designs services that are functional, unobtrusive and, where possible, a positive feature of your development.

02.1

Three waters icon

Three waters

Stormwater, wastewater and water supply design, from private connections to new and upgraded public networks and water assets.

Talk to Brett Chick

  • Public reticulation upgrades & extensions

  • Water treatment plants & infrastructure

  • Stormwater detention, soakage, rain gardens & wetlands

  • On-site wastewater & remediation of failed systems

02.2

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Land development

Engineering for subdivisions and commercial land development, designed to meet the requirements of the Resource Management Act.

  • Earthworks & site contouring

  • Public & private roads and car parks

  • Stormwater treatment & flood attenuation

  • Drainage & water reticulation

Talk to Marnu Strydom

02.3

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Retaining

Temporary and permanent retaining structures that turn difficult sites into buildable ones.

Talk to Andrew Gill

  • Segmental reinforced earth walls

  • Steel & timber and precast concrete walls

  • Strengthening or replacing existing walls

  • Advice for property owners & insurers

Robust design, without sacrificing aesthetics.

03 / structural engineering

From residential alterations to multi-storey buildings, seismic strengthening and specialist product certification, our structural engineers deliver buildable solutions tailored to each client and site.

03.1

Building icon

New & existing building

Structural design for homes, alterations, schools, commercial and multi-storey buildings.

Talk to Ying Li

  • New build structural design

  • Alterations & renovations

  • Education & community buildings

  • Marine & coastal structures

03.2

Seismic

Seismic icon

Seismic assessment, analysis and strengthening design for building owners, insurers and lenders, and seismic design for new structures.

Talk to Ying Li

  • Initial seismic assessment (ISA)

  • Detailed seismic assessment (DSA)

  • Strengthening design

  • Post-earthquake support

03.3

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Civil structures

Structural design for the water and transport infrastructure communities rely on, built to perform for decades.

Talk to Michael Barnes

  • Reservoirs and water tanks

  • Pump stations

  • Road and foot bridges

  • Culverts and outfalls

03.4

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Temporary works

Safe, cost-efficient temporary works, with quick, informed decisions that let the contractor get on with the job.

Talk to Michael Barnes

  • Shoring, shafts & excavation support

  • Formwork & falsework

  • Thrust blocks & pipe jacking

  • Safety structures

03.5

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Poles & towers

Structural design for poles and towers, from street lighting to telecommunications.

Talk to Michael Barnes

  • Monopoles

  • Lighting columns

  • Antenna structures

  • Foundations and design certification

■ Not sure where you fit?

Most projects need more than one discipline.

Tell us about your site and what you’re planning, and we’ll bring the right engineers together.

From first sketch to final sign-off.

04 / how we work

We can support your project all the way through.

01

Concept & feasibility

Understanding the site, the constraints and the options early.

02

Design & calculations

Robust, buildable design backed by detailed analysis.

03

Consents & plans

Drawings, specifications, resource and building consents.

04

Tender & construction

Tendering support and construction supervision on site.

05

Certification

Producer statements and sign-off when the work is complete.

Across the built environment.

05 / sectors

Selected examples of where our civil and structural teams work.

Their approach, that completes difficult work, in a smart manner, efficiently is what we value.

Mike Cooper, KiwiRail

Speak to the engineer who’ll do the work.

06 / talk to a specialist

Our directors and team leaders head each discipline. Get in touch directly, or call the office on 09 839 7050.


Not sure who to talk to? Send us a message and we’ll point you to the right person.