Navigating the Diversion of Underground Services in Construction

In the construction industry, the diversion of underground services is a critical and often challenging part of any major construction project. Whether you're working on a new residential development or a large-scale highway project, understanding how to effectively manage the diversion of these essential services—such as water, gas, electricity, and telecommunications—is essential. This AKN blog post is designed to help construction project managers, engineers, and students navigate the complexities of this task, ensuring safety and efficiency on the job site.

The Importance of Diversion of Underground Services

Diversion of underground services is crucial for preventing damage to existing utilities, which can cause costly delays, safety hazards, and service disruptions. Effective management of this process supports uninterrupted construction and ensures that infrastructure projects adhere to legal and regulatory standards. Generally speaking, diversions are prepared before the construction phase begins, however, sometimes unexpected utility is found and needs to be diverted after the construction phase has started.

Step 1: Identify and Map Existing Utilities

The first step in the diversion process is accurately identifying and mapping all existing underground utilities. This involves:

  • Conducting thorough geotechnical surveys to detect and locate services.

  • Utilising advanced technologies such as Ground Penetrating Radar (GPR) or electromagnetic locators.

  • Consulting with utility companies and local authorities to obtain existing utility maps and records.

The accuracy of this information is imperative to plan effective diversions without any unexpected encounters.


Step 2: Assess the Impact

Once the underground utilities have been mapped, assess the impact of the planned construction on these services:

  • Determine which utilities are affected by the proposed construction activities.

  • Evaluate the feasibility of diversion versus protection in place.

  • Coordinate with utility providers to understand their requirements and constraints.

This assessment will guide your planning and decision-making process, ensuring all factors are considered.

Step 3: Plan the Diversion

Planning the diversion involves several critical steps:

  • Design the diversion routes considering the most efficient and least disruptive paths.

  • Obtain necessary permits and approvals from local authorities and utility providers.

  • Prepare a detailed diversion plan including timelines, resources, and contingencies.

Effective planning is essential to be sure all diversions are carried out smoothly and within regulatory compliance.

Step 4: Implement Safety Measures

Safety must be the top priority when diverting underground services. Implement comprehensive safety measures:

  • Conduct risk assessments to identify potential hazards associated with the diversion work.

  • Establish clear signage and barriers around construction sites to prevent accidents.

  • Train all personnel on safety protocols specific to working with and around underground utilities.

These safety practices not only protect the workforce but also the public and the environment.

Step 5: Execute the Diversion

With all preparations in place, proceed with the execution of the diversion:

Coordinate with construction teams and utility providers: to ensure all parties are informed and prepared.

Monitor the progress of the diversion: closely to address any issues promptly.

Adjust the plan as necessary: based on real-time conditions and feedback from the teams on the ground.

Effective execution relies on constant communication and flexibility to adapt to any unforeseen challenges.

Step 6: Documentation and Review

After the diversion is complete, it's important to document the entire process and review it for any lessons learned:

Update as-built drawings: to reflect the new locations of diverted services.

Conduct a post-project review: to evaluate the success of the diversion and identify areas for improvement.

Share feedback with all stakeholders: to enhance future diversion efforts.


Ensuring Seamless Progress in Construction Projects

The diversion of underground services is a complex but crucial component of construction project management. By following these structured steps, construction professionals can ensure that these activities are carried out efficiently, safely, and in compliance with all regulatory requirements. Remember, successful management of underground services not only supports the seamless progress of construction projects but also lays the groundwork for future developments to thrive.

At AKN Engineering we specialise in precise setting out services that meet the unique needs of your construction project.

Contact us today to learn how we can help you achieve construction success through precision and accuracy.

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