A Geotechnical Site Investigation was required by the London Borough of Southwark to confirm ground conditions at 12 residential terraced properties. These occupied residential dwellings belonged to local authority housing and were all experiencing various levels of wall cracking.
The geotechnical investigations were required to confirm the nature and properties of the underlying substrata, including groundwater levels and aggressivity of the soil and groundwater. The investigation was to provide sufficient information to enable the most economic underpinning options (if required) for the properties.
The investigation utilised a combination of hand dug foundation inspection trial pitting, windowless sampling, and environmental monitoring. Due to the access constraints of terraced residential properties, the investigation utilised a dismantle-able windowless sample rig which could be moved into small garden spaces. As the properties were occupied, our consultant communicated with the tenants to ensure they were informed during the process of the investigation works.
The findings of the intrusive works enabled Lustre Consulting to prepare a Geotechnical Assessment on the soil quality and existing foundations. Individual reports were prepared for each site with information on the geotechnical properties of underlying soils and foundation design considerations, including safe bearing capacity and settlement.
How we can protect your construction site from unnecessary delays and costs. If piling is part of your construction plans, a piling risk assessment could be a vital step to avoid potential problems that could disrupt your project, including: Piling risk assessments are now explicitly referenced within the Environment Agency’s Land Contamination Risk Management Guidance […]
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A surface water soakaway is used to capture then allow the infiltration and filtration of water runoff through a subsoil to the water table below. Your soakaway should provide sufficient short-term storage of surface water and allow the surface water to percolate into the surrounding ground. The National House-Building Council (NHBC) provides detailed guidance on […]
A surface water...
Working on a construction project can come with a long ‘to do’ list. Not only that, but you have to deal with the stress of navigating planning conditions as well as numerous building regulations. Acoustic issues don’t have to further complicate this process. Could an Acoustic Assessment be a requirement for your site? Of all […]
Working on a...
Contamination is not always something that can be seen; often contamination is invisible, buried below ground or is present in perfectly normal looking topsoil.
This is a question...
