Despite often being so small, fixings are probably the most important aspect of any structure. From the smallest screw to the biggest bolt, fixings are the glue that holds a structure together. It’s very easy to overlook the extreme loads...
Our geotechnical team have been hard at work in London this week carrying out a plate load test. A plate load test (sometimes known as a plate bearing test) is an in-situ test performed to assess the ground’s ability to...
If, like us, you work in the construction industry, you’ll have heard countless times to be wary of asbestos. We won’t go into the dangers of asbestos here because that’s a blog for another time. You’ve also probably heard all...
Window and windowless sampling are methods of soil extraction that retain the various horizons of the soil, so that they may be analysed, measured and profiled. To achieve this steel tubes (typically 1 metre in length) are pounded into the...
Structural investigation forms a major part our building surveying workload. The determination of how a structure was built is the prime purpose of structural investigation, with defects analysis secondary. With plots for new builds becoming ever more expensive, developers are...
This week we’re going to be looking back at a job we undertook in 2019. This particular job was interesting because it highlighted the challenges of working in old buildings. Constructive Evaluation was instructed to assess the ground conditions underlying...
Electromagnetic and GPR concrete scanning has become the preferred method of non-destructive reinforcement determination and inspection throughout the construction industry. To maintain structural and seismic integrity, engineers are frequently requesting that embedded reinforcement be avoided when cutting or coring through...
Constructive Evaluation was commissioned back in February to carry out a Site Investigation to an island situated on the River Thames. The purpose of this investigation was to provide detailed lithology and soil strength parameters for the substrata at two...
In August 2016 Constructive Evaluation Limited were instructed by Hockley and Dawson on behalf of their client, Historic Royal Palaces, to undertake a testing regime to the proposed Polyamide material to be used for the replacement of 72 dragons that...