12/08/2026
CASE STUDY: Agricultural Polytunnel Installation
Project Type: Industrial
Category: Agricultural
Location: Norfolk
The completed installation:
✅ 173 ground screws installed
✅ Completed in just 2 days
✅ Mixture of 1050mm & 1250mm ground screws
✅ Verified through on-site load testing
✅ Designed to meet the project’s structural requirements
✅ Suitable for Building Control approval
✅ Minimal ground disturbance with no concrete required
The project enabled the client to move straight into the construction phase, delivering a reliable foundation system while reducing installation time, site disruption and environmental impact.
The Challenge
Before installation, the project required confirmation that the ground conditions could safely achieve the structural load requirements. With varying load demands throughout the structure, selecting the correct ground screw lengths was essential to provide a compliant and efficient foundation solution.
Our Solution
The project commenced with an initial site visit to carry out on-site load testing, allowing GBGS to verify the ground conditions and confirm that the required design loads could be achieved.
Following successful testing, our installation team returned a few weeks later to complete the full installation. A total of 173 galvanised ground screws were installed, using a combination of 1050mm and 1250mm screw lengths to suit the varying structural load requirements across the development.
The Result
The complete installation was delivered in just two days, providing the client with a fast, clean and engineered foundation solution without the need for traditional concrete foundations.
