Forth and Tay members
Igne Group Limited
Business type: Professional Services
Contact: Peter Widdowson, Director Business Development
Address: Whistleberry Road, Blantyre, Hamilton ML3 0HP
Email:
Countries worked in: Scotland, England and Wales.
Igne Group provide a range of consultancy and contracting services delivering pre-construction surveys and well drilling. We focus on reducing the below ground risk of any project and have vast experience in the renewable energy sector. Raeburn Drilling & Geotechnical (trading as Igne), based in Hamilton, are able to deliver onshore and near-shore geotechnical investigations bringing together experts in geology, geochemical and geotechnical engineering as well as in house materials testing, consultancy and unexploded ordnance risk assessments, surveys and clearance. Our engineers and BDA audited drillers and assistant drillers are our greatest assets who go above and beyond to understand your site and deliver the information required using our owned plant including CP, rotary and sonic drilling rigs.
Capabilities
Established supplier with significant experience supplying the sector
- Pre-Construction Development Phase (DEVEX): Onshore Surveys
- Pre-Construction Development Phase (DEVEX): UXO Management
- CAPEX - Balance of Plant - Manufacture / Supply Services: Civils support services including plant hire & QS services
Capabilities to supply, but no/limited experience in the sector
- Pre-Construction Development Phase (DEVEX): Geophysical Surveys
- Pre-Construction Development Phase (DEVEX): Geotech Surveys
Ambitions to diversify in the sector
- Pre-Construction Development Phase (DEVEX): Survey Vessels
Other services offered
- On shore and near shore Geotechnical Investigation, including materials testing in-houseUXO risk assessment, survey and clearance onshore and offWater well drilling for temporary or permanent supply in remote locations
Case studies
White Cross Offshore Wind Farm comprises 7 floating wind turbine generators located approximately 50km off the North Devon coast. The cable landfall site is at Saunton Sands beach car park, a popular surfing destination and particularly busy during the works. The cable route then heads South for around 8km, through Braunton Burrows, a sensitive environmental site, a golf course, both arable and livestock farmland, and under the estuary of the River Taw, before connecting to the existing or a new substation, at Yelland.
Contract type: Amended
Value: 280,000 (specialist package)
Igne were appointed to undertake ground investigation for the cable landing and onshore cable route for the project. Site works included 18 sonic boreholes to a depth of 20m. Using the sonic rigs' high quality, continuous soil samples were recovered from the superficial deposit, before switching to Geobor-S to obtain 100mm diameter Class 1 samples of the underlying rock formation. Six of the boreholes were installed with 50mm diameter standpipes to allow ongoing monitoring. The remainder of the boreholes were backfilled. Seventeen mechanically excavated trial pits were dug to collect additional samples of the shallow deposits. Finally, 5 electrical resistivity tests were performed to assist in the design of the cable. To provide further information on the ground conditions in the inter-tidal zone, a non-intrusive geophysical study was completed. A series of seismic studies were undertaken to determine both the nature of the superficial deposits and the depth to rockhead.
The project involves the extension of the existing Strathy Wind Farm in the Scottish Highlands. The windfarm was expanded by the installation of 35 new wind turbines along with associated infrastructure. The location of the site was in the remote and inhospitable far North of Scotland during the autumn to winter seasons, providing the same conditions and terrain as expected for the landfall and on shore section of offshore wind farms.
Contract type: Amended
Value: 1,260,000 (specialist package)
Igne was commissioned to act as Principal Contractor and provide a detailed intrusive ground investigation to identify both ground and groundwater conditions for the proposed substation platform, construction compound, turbine positions, water crossings, cable routes, access tracks and lidar stations. The ground investigation included rotary open hole and core drilling at 100 boreholes with standard penetration tests throughout, 554 peat probes, 344 trial pits, 84 in-situ thermal resistivity tests, 14 dynamic cone penetrometer tests and 12 plate load tests. All testing on site in laboratory was completed in-house.
