Professional PIA Surveys

A successful fibre network installation starts with a thorough survey. At Sissons Construction, we carry out both intrusive and non-intrusive Physical Infrastructure Access (PIA) surveys, helping communications providers assess existing duct and pole infrastructure before network deployment. Working across the West Midlands and beyond, we provide accurate survey data that supports efficient planning, reduces delays and helps identify potential issues before construction begins.

Our experienced surveyors assess existing telecommunications infrastructure, including underground ducts, chambers and overhead pole routes, providing clear, reliable information to support fibre network design. Whether you’re planning a new FTTP rollout, expanding an existing network or carrying out remedial works, we deliver comprehensive PIA surveys that help projects progress with confidence. Physical Infrastructure Access (PIA) enables communications providers to use existing Openreach ducts and poles to deploy their own fibre networks, reducing the need for new civil engineering works.

Intrusive & Non-Intrusive Infrastructure Surveys

Every fibre deployment is different, which is why selecting the right survey method is essential for accurate planning.

Our non-intrusive PIA surveys involve visual inspections of ducts, poles and chambers without disturbing the existing infrastructure, making them ideal for initial route assessments. Where greater investigation is required, intrusive surveys allow us to inspect underground duct conditions, identify blockages, assess chamber accessibility and confirm route suitability before construction begins. By identifying potential obstacles early, we help minimise costly delays during fibre network deployment.

Contact Sissons Construction today to discuss intrusive and non-intrusive PIA surveys for your next fibre network project.

PIA Surveys (Intrusive & Non-Intrusive)

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Frequently Asked Questions

A Physical Infrastructure Access (PIA) survey assesses existing telecommunications infrastructure, including ducts, poles and underground chambers, before a fibre network is installed. The survey helps determine whether existing infrastructure can be utilised safely and efficiently, reducing the need for extensive excavation and speeding up network deployment.

A non-intrusive survey is a visual inspection of existing infrastructure without opening ducts or carrying out excavation. An intrusive survey involves physically accessing chambers or ducts to inspect their condition, identify blockages, confirm available capacity and assess whether remedial work is required before fibre installation begins.

PIA surveys are commonly carried out for telecommunications contractors, communications providers, fibre network operators and developers planning Full Fibre (FTTP) network deployments. They provide essential information for route planning, network design and project delivery while helping reduce unexpected issues during construction.

Our surveys assess underground ducts, joint boxes, chambers, overhead poles and existing network routes. We record infrastructure condition, identify obstructions, check accessibility and highlight any defects or remedial work that may be required before installation, helping clients make informed decisions before construction starts.

We combine practical telecoms experience with detailed surveying to deliver accurate, reliable information that supports successful fibre network deployments. Our comprehensive reporting helps clients identify risks early, improve project planning and reduce delays, ensuring network builds progress as efficiently as possible.

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