GDL cleans up



On site in Sighthill.


Ground Developments Ltd, the earthworks and soil stabilisation contractor, is working in Glasgow to remediate sites that make up part of one of the biggest projects of its kind in the UK.

The 28-week job for Glasgow City Council and principal contractor Morgan Sindall Infrastructure is in the Sighthill Transformational Regeneration Area.

The over-all Sighthill scheme includes proposals for 1,000 homes, a school, shops and a pedestrian bridge into the city centre. Most of the site has already been remediated and GDL is now tackling areas that were not part of the initial programme because of the presence of buildings which have now been demolished.

GDL’s contract includes excavation of contaminated materials, screening and picking of deleterious materials to retain as much material as possible on site, and modifying site-won materials where possible for re-use.

Managing director Kevin Mackenzie said: “Soil stabilisation is a key focus and consideration for earthworks projects such as this one, especially as environmental regulations continue to play a significant role in how many strategic regeneration projects are delivered.”


The Wirtgen stabilisation mixer.


The Whitburn company has been spending heavily on specialist plant for soil stabilisation, working with suppliers such as Marubeni-Komatsu, Wirtgen Group, Streumaster and Hydrema.

The introduction of a new Wirtgen WR240i stabilisation mixer with an integrated binder spreader from Streumaster, which is mounted on a customised Hydrema chassis, allows GDL to offer increased capacity to the soil stabilisation market.

Mackenzie added: “As we look ahead to major infrastructure projects such as HS2, we need to ensure that we can provide the most up-to-date modern plant in order to effectively manage the requirements of these types of complex strategic projects.

“We’re constantly looking at ways in which we can deliver innovative ground improvement and our experience over the years has allowed us to work directly with manufacturers such as Wirtgen and Hydrema to create our own bespoke and preferred spreading solution.

“As environmental regulations continue to swing in our favour, forcing greater consideration to be given to the maximum re-use of material on-site, we envisage that soil stabilisation will be a mainstream consideration for any UK earthworks project.”

The GDL fleet includes dozers and excavators up to 55 tonnes with GPS machine control, heavy compaction equipment, dumptrucks up to 30 tonnes, high horsepower tractors, and crushers and screeners. And just arrived in the yard are new Komatsu PC210LCi (right) and PC26MR-3 excavators.


♦ GDL recently completed a nine-week enabling contract for Miller Homes on a site for 88 properties in Clydebank.

The work included a cut and fill operation of 10,000m³ as well as the over excavation and replacement of 8,000m³ to provide a competent strata to construct the housing platforms.  Site-won material was screened and the fines modified to re-engineer material that was previously designated for landfill to remain on site.

Nearly 18,000 tonnes of non-hazardous soils were diverted from landfill, lorry movements were reduced by 900 journeys and standard strip foundations were placed on modified soils without the need for trench fill.


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©Scottish Plant.  Article posted 30/6/2019