Eurocode 7 (EN 1997-1:2004) mandates that shallow foundation design in Limerick account for the complex drift geology underlying the city. Limerick straddles Carboniferous limestone bedrock overlain by variable glacial tills and alluvial deposits from the River Shannon—materials whose bearing capacity can shift dramatically within a single site. Our approach integrates site investigation data with analytical and numerical methods to determine allowable bearing pressures that satisfy both ultimate limit state (ULS) and serviceability limit state (SLS) criteria. In areas near the Docklands or along the Canal Bank, soft estuarine silts often require careful assessment of differential settlement before finalizing footing dimensions. The CPT test provides near-continuous stratigraphic profiles in these low-strength deposits, while grain-size analysis confirms the drainage characteristics that influence consolidation rate predictions. Every design package includes a geotechnical interpretive report with bearing capacity factors derived from in-situ and laboratory testing, not just textbook correlations.
Bearing capacity in Limerick's glacial tills can exceed 200 kPa, yet the same formation a kilometer away may require ground improvement to reach 100 kPa—site-specific investigation is non-negotiable.
