Tools for low carbon design

At Onyx Geo, we see a world where engineering solutions are sustainable, innovative, and accessible to all. Our goal is to lead the way in creating a better future through engineering excellence.  We have developed a range of tools for supporting carbon design for groundworks and the built environment, to use our foundation tool please click Flint Foundation below. 

We have also worked with the AGS to produce a free carbon tool for calculating the carbon impact of site investigation work. 

Click on the flint logos below to access the tools. A log in is required to access the tools. To request access please email Emma. 

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 flint SI was developed through collaboration with Onyx Geo Consulting Ltd and the AGS. The tool assesses the embodied carbon used in site investigation activities. It currently includes three site investigation techniques, cable percussion boreholes, windowless boreholes and trial pit investigations. 

At present the embodied carbon is evaluated for the following: 

Transport of machinery to site 

Drilling/excavation onsite 

Transport of personnel to site 

Assets of the machinery (based upon site time). 

The embodied carbon is calculated as total carbon dioxide equivalent (tCO2e) and includes carbon dioxide and other greenhouse gas emissions. For a process or product, this is typically calculated by multiplying the quantity of a material by a carbon factor for the process or production, i.e. 

Embodied carbon (tCO2e) = Material quantity (t) x carbon factor (tCO2e/t) 

More detailed analysis is required for site activities such as drilling. 

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