Level monitoring is an advanced method used to precisely track the movement of a building’s foundation. While it is a more costly option compared to crack monitoring, it provides detailed insights into when, how, and how much a structure is shifting.

Accurate Digital Surveys

Our surveys are conducted using the latest Topcon 500 series digital levels, following the standards outlined in BRE Digest 386. This method delivers an exceptional accuracy of 0.1mm, ensuring reliable data for effective decision-making.

Strategic Monitoring Point Placement

We install level monitoring points evenly spaced around the building’s footprint, typically about 300mm above ground level. These points act as fixed markers that move with the structure, allowing us to measure any shifts over time.

Each monitoring point is referenced to a stable datum point. Datums may include unaffected parts of the building, deep sewer drains, or specially installed deep datums located at least 6-8 meters below any root networks to ensure stability.

Long-Term Monitoring & Reporting

After establishing baseline readings, we schedule follow-up visits every 4 to 8 weeks over a monitoring period of 6 to 12 months. This regular data collection helps us track trends in movement, enabling timely and precise recommendations for repairs or further investigation.