Polluted medium Ground water
Soil
Technical experience Chemical treatment
Extraction / recovery
Contract value (£) 580,000
Client Morgan Sindall
 
 

Challenge

Historic use of Millerhill Rail Depot, Edinburgh as a rail depot including maintenance yard, resulted in extensive and heavy contamination of soils and groundwater. The site was to be redeveloped as part of rail improvement works.

The key challenges in managing this project were the continued advancement of the construction project, collaboration with other stakeholders including construction personnel, establishing the extent of contamination to enable accurate design of remediation strategies, and providing a scope of works that met the requirements of the Client (Morgan Sindall and Network Rail), Local Authority (Midlothian Council) and Engineering Consultant.

Solution

In order to maximise the efficiency in soil removal and disposal, Soilutions completed additional soil and groundwater investigations to refine the understanding on the nature and delineation of contamination.

A combination of soil removal and treatment was established as the most practicable approach to mitigating the risk to the proposed development and the wider environment.

Following an initial groundwater treatment programme, skimming free product from near surface groundwater, an extensive soil excavation program was implemented and soils were disposed off-site or retained for use based on the results of the earlier delineation investigation.

During the excavation works, large foundations were uncovered and these were immediately incorporated into the mass excavations being supervised by Soilutions, to enable the development plans for the area.

Where mass excavations were not practicable, based on the development plans, a chemical treatment (Chemox) was applied to enhance natural degradation of residual hydrocarbons over time.

Result

The project successfully enabled the development of the new rail maintenance infrastructure. Notwithstanding the compressed timeframe, Soilutions completed the work on-time and due to methods employed during the works, the costs of the project were well within agreed budgets.


Challenge

Historic use of Millerhill Rail Depot, Edinburgh as a rail depot including maintenance yard, resulted in extensive and heavy contamination of soils and groundwater. The site was to be redeveloped as part of rail improvement works.

The key challenges in managing this project were the continued advancement of the construction project, collaboration with other stakeholders including construction personnel, establishing the extent of contamination to enable accurate design of remediation strategies, and providing a scope of works that met the requirements of the Client (Morgan Sindall and Network Rail), Local Authority (Midlothian Council) and Engineering Consultant.

Solution

In order to maximise the efficiency in soil removal and disposal, Soilutions completed additional soil and groundwater investigations to refine the understanding on the nature and delineation of contamination.

A combination of soil removal and treatment was established as the most practicable approach to mitigating the risk to the proposed development and the wider environment.

Following an initial groundwater treatment programme, skimming free product from near surface groundwater, an extensive soil excavation program was implemented and soils were disposed off-site or retained for use based on the results of the earlier delineation investigation.

During the excavation works, large foundations were uncovered and these were immediately incorporated into the mass excavations being supervised by Soilutions, to enable the development plans for the area.

Where mass excavations were not practicable, based on the development plans, a chemical treatment (Chemox) was applied to enhance natural degradation of residual hydrocarbons over time.

Result

The project successfully enabled the development of the new rail maintenance infrastructure. Notwithstanding the compressed timeframe, Soilutions completed the work on-time and due to methods employed during the works, the costs of the project were well within agreed budgets.


 
 
 
Enquire
 

Related entries

  • Soilutions: Environmental consultancy
    Environmental consultancy
    Soilutions
    We provide to our clients bespoke environmental consultancy services to meet with their internal and external challenges. Our advice is tailored to focus on the current situation(s) whilst considering long term commercial...
  • Soilutions: Groundwater remediation services
    Groundwater remediation services
    Soilutions
    Soilutions are experienced in all forms of groundwater remediation. Contamination may be present in groundwater at a site from on-site or off-site sources, alternatively the groundwater may be a source of on-going pollution.
  • Soilutions: Soil remediation services
    Soil remediation services
    Soilutions
    Soilutions can provide every type of soil remediation solution, from straight disposal to in-situ treatment and everything in between, including off-site treatment and ex-situ on-site treatments. Soil remediation, from an...

Also by Soilutions

Soilutions address and contact details

Soilutions Ltd
26 New Broompark
Edinburgh
EH5 1RS
Tel: 0800 020 9307
View on map
 
Follow Soilutions
 
Not found what you're looking for? View other options