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Articles & Advice on Underground Utilities

Keep up to date with the latest Articles & Advice.

How to Set Up Utilities on a Construction Site in NZ: Power, Water, Comms and Access

21 October 2026

How to Set Up Utilities on a Construction Site in NZ: Power, Water, Comms and Access

Every build needs power, water and a way in before the first slab is poured, and most of the delays we see on new sites come from someone ordering those three things in the wrong order or too late. This guide walks through temporary and permanent utilities for a construction site in New Zealand, who you apply to, how long each one takes, what it typically costs, and how to sequence the trenching so you dig once.

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Hydro Excavation and Hydrovac Cost in NZ: When to Use It Instead of a Digger

21 October 2026

Hydro Excavation and Hydrovac Cost in NZ: When to Use It Instead of a Digger

A hydrovac truck costs more per hour than a digger, so people assume it is the expensive option. On the right job it is the cheaper one, because the hole is smaller, nothing gets struck and nobody waits for a repair crew. This guide explains what hydro excavation is, what actually drives its cost in New Zealand, how that compares with mechanical excavation, and the situations where each one wins, with examples from our own jobs.

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How to Find an Underground Water Leak in NZ: Signs, the Meter Test and Who to Call

15 October 2026

How to Find an Underground Water Leak in NZ: Signs, the Meter Test and Who to Call

Most underground water leaks start small and stay out of sight. By the time water shows at the surface it may have been running for weeks, and every litre has gone through your meter. This guide covers the signs we see most often across Auckland, Franklin and the Waikato, how to run the meter test that confirms a leak, how to work out which side of the meter it is on, and who to call for each situation.

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What Leak Detection Costs in NZ: What Affects the Price and Why One Crew Is Cheaper

15 October 2026

What Leak Detection Costs in NZ: What Affects the Price and Why One Crew Is Cheaper

People ring us wanting a price before anyone has seen the site, and that is fair. This guide gives you our straight answer on where leak detection starts, explains what makes one job take longer than another, and shows with real jobs why finding and fixing the leak with one crew usually costs less overall than hiring a detection company and then a separate digger or plumber.

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Who Owns the Pipe From the Street to Your House? Point of Supply, Responsibility and Leak Remissions in NZ

15 October 2026

Who Owns the Pipe From the Street to Your House? Point of Supply, Responsibility and Leak Remissions in NZ

When water starts pooling in the berm or the bill doubles, the first question is who has to fix it. The answer depends on which side of the point of supply the problem sits, and that line is drawn in a slightly different place on urban, rural, cross-lease and unit-title properties. This guide explains where it is, what the water supplier will and will not do, how shared pipes and tenancies work, and how to claim back some of the water a leak cost you.

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Plumber or Leak Detection Specialist? Who to Call for Which Leak in NZ

15 October 2026

Plumber or Leak Detection Specialist? Who to Call for Which Leak in NZ

You have a leak, or at least the signs of one. Do you ring your plumber or a leak detection company? Both are the right call in different situations, and knowing which is which saves time, money and a lot of unnecessary digging. This guide sets out what each trade does, what each typically costs, how to decide in two minutes, and how the two work together on the leaks that are genuinely hidden.

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Before You Dig in NZ: What beforeUdig Gives You and What It Doesn't

2 April 2026

Before You Dig in NZ: What beforeUdig Gives You and What It Doesn't

Everyone planning to dig in New Zealand is told to lodge a beforeUdig enquiry first, and they should. But the plans that come back are a starting point, not a mark-out. This guide explains what beforeUdig actually provides, where its plans fall short on real sites across Auckland and the Waikato, what professional service locating adds, and the sequence that keeps you, your crew and your budget out of trouble.

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How Accurate Is Ground Penetrating Radar in New Zealand Soil Conditions?

26 March 2026

How Accurate Is Ground Penetrating Radar in New Zealand Soil Conditions?

Ground penetrating radar is the tool people ask for when they want to see everything under a site, and it is the one most often oversold. How accurate it is depends almost entirely on what the ground is made of, and New Zealand ground varies from scoria that radar loves to saturated clay and peat that swallow the signal within half a metre. This guide sets out what GPR can realistically find in the soils around Auckland, Franklin, the Waikato and the Hauraki Plains, how accurate the positions and depths are, and how it fits with the other locating methods.

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Water Main Replacement Cost in NZ: Repair, Renewal or Replace?

5 March 2026

Water Main Replacement Cost in NZ: Repair, Renewal or Replace?

When a water main or lateral starts leaking, the first instinct is to patch it. Sometimes that is right. Often it is the first of several patches that together cost more than a new pipe would have. This guide sets out what repair, renewal and replacement each involve, what decides the cost of each in New Zealand, how to tell which one your pipe needs, and the pipe materials around Auckland and the Waikato that are past their time, with examples from our own jobs.

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Water Reticulation Systems for Subdivisions and Developments in NZ: Process, Consents, Costs and Timelines

26 February 2026

Water Reticulation Systems for Subdivisions and Developments in NZ: Process, Consents, Costs and Timelines

Water reticulation is the pipe network that carries water from the public main to every lot, unit or building on a site. Developers usually meet it late, when a consent condition or a Watercare approval holds up titles. This guide sets out what the network has to do, who approves it, what it typically costs, how long each step takes, and the mistakes that cause rework.

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Overhead to Underground Power Conversion in NZ: Cost, Process and Is It Worth It?

18 December 2025

Overhead to Underground Power Conversion in NZ: Cost, Process and Is It Worth It?

Most of the overhead lines you see in Auckland and the Waikato are the network's, and they are not going anywhere soon. The line from the street to your house is different. That one is usually yours, and it can be put underground. This guide covers what a conversion involves, who does which part, what decides the cost for a house, a lifestyle block and a subdivision, how long the lines company takes, and when it is worth doing.

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Installing Power to a Shed or Sleepout in Rural Auckland and Waikato: Cost, Cable, Consents and Process

4 December 2025

Installing Power to a Shed or Sleepout in Rural Auckland and Waikato: Cost, Cable, Consents and Process

Running power to a shed, sleepout, pump or workshop sounds like a day with a trencher and a reel of cable. The cable is the easy part. Getting the size right over a long rural run, keeping the trench legal and findable, deciding whether the building itself needs consent, and sequencing the electrician and the digger so nobody waits are what make the difference between a connection that works for forty years and one that trips every winter. This guide covers all of it, including what decides the cost in Auckland, Franklin and the Waikato.

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