Trial Digs & Investigative Excavation

Professional Trial Dig Services

Trial digs across Scotland are undertaken by Signet Group to expose foundations, locate underground utilities and confirm ground conditions before construction or civil engineering works begin.

Trial excavation exposing electric cables beside a Subststaion

Utility Trial Holes

Locate underground utilities safely and accurately with minimal disruption.

Foundation Exposure

Expose foundations to confirm their depth, condition and construction details for inspection by the client or appointed engineer.

Photographs & Measurements

Record the excavation with clear photographs, measurements and site findings to support the planning of subsequent works.

Our Process

From the initial site review through to reinstatement, our trial dig process is carefully planned to provide the required information while minimising disruption to the surrounding area.

Trial dig excavated to expose utilities

Site Review & Planning

Review the investigation locations, available utility information, access requirements and existing surface conditions.

Careful Excavation

Excavate the required trial holes by hand or suitable mechanical plant while carefully protecting existing services.

Record & Confirm Findings

Take photographs and measurements and provide the findings to the client or appointed engineer for confirmation.

Backfill & Reinstate

Backfill the excavation in suitable layers, compact the area and reinstate the existing surface where included within the agreed scope.

Our Service Areas

Based in Falkirk, Signet Group provides trial digs and investigative excavation across Scotland. Our coverage includes Stirling, Edinburgh, Glasgow, Fife, Perth, Dundee, Ayrshire and surrounding areas, with nationwide projects considered depending on the scope and programme.

Trial dig exposing an existing retaining wall foundation for inspectio

Falkirk & Stirling

Trial digs, foundation exposure and utility investigations across Falkirk, Stirling and the surrounding areas.

Trial dig exposing a gas service to confirm its route

Edinburgh, Glasgow & Fife

Investigative excavation support for commercial, utility and civil engineering projects throughout the Central Belt.

Two Signet Group operatives hand digging a trial excavation

Projects Across Scotland

Work further afield can be considered depending on the project requirements, programme and scope.