Urban utility corridors: Cutting disruption with trenchless-first planning

Urban utility corridors, or utility tunnels, are important underground passages for housing multiple utility lines like water and electricity beneath towns and cities. During installation, however, they can often cause widespread disruption, including traffic congestion and loss of earnings for local businesses.

Stockton Group’s Director, Gearoid O’Connell, explains how trenchless drilling techniques can reduce this disruption by not disturbing ground above; slashing traffic management costs and helping keep stakeholders happy.

Decor Urban utility corridors: Cutting disruption with trenchless-first planning

How trenchless techniques reduce disruption in urban areas

Trenchless techniques, like Direct Pipe® and Horizontal Directional Drilling (HDD), reduce disruption in urban areas by removing the need for open-cut excavation, relying instead on smaller access pits to install infrastructure like electricity lines, phone lines, pipes, or other infrastructure in underground passageways.

These methods reduce the need for road closures, lowering traffic management costs and minimising impact on the general public and businesses, in turn keeping key project stakeholders happy. Trenchless projects can also be delivered faster than their open-cut counterparts, as they don’t require extensive excavation and expensive surface restoration.

Environmentally, trenchless techniques prevent damage to existing trees and green spaces, helping to preserve urban landscaping,  protecting local wildlife and keeping cities looking good.
HDD is widely used to cross under roads, railways, and rivers, completing long segments of tunnelling spanning hundreds of metres. Direct Pipe® can also be used in urban areas, acting as a single-step method where the borehole excavation and pipeline installation take place simultaneously.

When you work with trenchless experts, like our team at Stockton, your project requirements and restraints will be fully assessed to work out which trenchless technique will be best for your urban drilling needs.

How trenchless techniques reduce disruption in urban areas

Planning, permits, and communications needed for work in urban areas

Working on a trenchless drilling project in an urban area in the UK requires extensive planning to manage deep underground infrastructure, tight spaces, and disruption to the public.

In dense urban areas, a detailed utility mapping survey is needed to avoid hitting existing gas, water, or electricity lines. As with any drilling project, you’ll also need a geotechnical survey to assess ground conditions, which will dictate the drilling technique and the management of drilling fluids.

Here at Stockton, we manage this for you, as well as obtaining any necessary permits from councils and the Environment Agency. If the works impact traffic, you’ll need a temporary traffic regulation order (TTRO) to manage street closures, while for larger projects, you may need to hold a public consultation before you start any work.

If permits aren’t secured well ahead of drilling taking place, you risk delays to your project, increasing shareholder frustration and disrupting the public further.

Planning, permits, and communications needed for work in urban areas

Why the trenchless market is growing

Ageing water and gas infrastructure, paired with a greater focus on environmental considerations during drilling projects, is driving more people to turn to trenchless techniques.
Lots of the UK’s water and gas infrastructure was built 50–100 years ago, meaning upgrades have been prioritised to meet the needs of increasing urban populations, without disrupting day-to-day road and foot traffic.

Trenchless drilling techniques, like Direct Pipe® and HDD, have been selected for these infrastructure upgrades, thanks to the environmental and logistical advantages they offer over open-cut trenching.

By working with a trenchless specialist using Direct Pipe® or HDD, contractors and councils can save money and time while preserving road infrastructure and green areas in towns and cities.

If you’re planning an infrastructure upgrade project in an urban area, working with a trenchless specialist like Stockton Group will help you keep your costs lower, while reducing disruption to the people and wildlife in your town or city. Get in touch with our expert team to learn how we can bring a more sustainable approach to your drilling needs.

Why the trenchless market is growing

Frequently Asked Questions