Cloghan Wind Farm

Civil Balance of Plant works for Cloghan Wind Farm County Offaly.

Project Summary

Civil Balance of Plant works for Cloghan Wind Farm County Offaly.

Project Detail

Adman were appointed by Statkraft as Main Contractor and PSCS to undertake all Civil Balance of Plant works for Cloghan Wind Farm which is located outside Cloghan, County Offaly.

Our scope of works involved the design and construct of 9 no. V136 Vestas WTGs with all associated infrastructure including access tracks, crane hardstands, associated drainage works and public road. The project was located on an area of bogland (still used for peat harvesting), improved bogland and agricultural land.

The site contained sections blanket bog, with varying depths throughout ranging from 1m to over 3m with very soft silts and gravel underneath. We strategically used the existing cut banks, which had peat removed by landowners over the years, as natural Peat Disposal Areas.  We worked closely with our Client and site landowners (9no) to facilitate ongoing agricultural activities and turbary peat extraction.

The job specific requirements included:

  • Design & construction (WTG delivery route modifications, WTG Foundations (Buoyant and Piled), Piles, Piling Platform, hard standings, RMU Platform, PMM, permanent & temporary works, Bridge widening to TII specification, collector circuit)
  • PSCS Role: Fulfilment of the role of PSCS – In accordance with the Safety, Health and Welfare at Work (Construction) Regulations 2013) for the complete project up to the delivery of the first turbine component
  • Construction of reinforced concrete foundations for 9 no. V136 Vestas WTG’s including. 8no Buoyant and 1no Piled Foundation;
  • 4,780m of new minimum 5.0m wide site tracks using imported aggregate and geotextiles.
  • Installation of all permanent and temporary SUDS drainage systems
  • Works for over 5000m of Cable Trenching including open cut excavation, cable and duct installations, backfill with marker tape, compaction of suitable fill material, top soiling and grass seeding
  • 9 no. 1625m2 crane pads and blade areas constructed using imported stone filling and geotextiles.
  • Water Quality and turbidity monitoring and testing
  • Widening of the N62 Crancreagh Bridge to TII specification