News & Projects
Client: Maco Construction Onyx provided mechanical demolition for 2 large ex NHS buildings. Materials segregated selectively. All concrete and brick rubble was crushed and stockpiled for reuse on site.
Client: MEC Construction Carried out installation of 100mm up to 750mm foul and storm pipework up to 4m deep. Installed all manholes, and carried out air tests. Once completed we cut and capped roadways above.
Client: Undisclosed The job involved lowering the existing floors of a large basement in a stately home. To carry out this work, we had to use electric machinery including micro digger, tracked dumper and conveyors to remove spoil to outside the building. The use of electric machinery removed pollution and noise in a confined area making it safe for all…
Client: Sanctus We installed a new 6.5m deep manhole onto an existing combined sewer in the centre of a cross roads in a highly built up area in Bristol. The work was carried out from road level by using a 21t excavator with 3m extended clamshell grab. Before excavation commenced, we fitted a vacuum attachment to a 21T machine to…
Client: Sanctus Onyx Civils were contracted by Sanctus to supply and install a new storm and foul drainage system using the German made Funke thick-walled pipes, 150mm to 600mm diameter with varying depths of 1.5m to 3.5m. All manholes constructed were of the CPM Perfect Manhole system. This enabled us to deliver in a completely sealed system, in a timely…
Client: Galliford Try As part of the improvements at the Fordingbridge Sewerage Treatment Works, Onyx Civils is operating as a specialized sub-contractor for Galliford Try. Based in Dorset and accredited by both Wessex Water and CHAS, Onyx Civils brings localized expertise in groundworks and technical civil engineering to this project. Their role specifically supports the drainage and capacity objectives through:…
Client: Santus Industrial Site Remediation & RestorationThis project involved the precision excavation and off-site disposal of 25,000 cubic meters of asbestos-impacted soil under strict saturation and air-monitoring protocols to ensure zero fibre release. Following environmental clearance, the site was backfilled, contoured for drainage, and finished with a geotextile marker layer and native hydroseeding to transform the brownfield into a stabilized,…
Client: Kier Improvement project represents a vital investment in local safety and environmental resilience. This major civil engineering initiative focused on the construction of a new 200m flood defence wall, designed to safeguard the community while enhancing one of Somerset’s most cherished local nature reserves. To meet the highest modern safety standards, the project delivered a robust 200m flood defence…