Case studies - to show you how ash was used... The UKQAA has produced a number of case studies over the years with contractors help and advice and often their pictures. We would like to thank them for their help. Case Study No. 1 - Llanelli: A case study of the use of PFA at the Millennium Llanelli Coastal Park project Case Study No. 2 - A case study of the use of PFA and fly ash in concrete used at the East Midlands airport Case Study No. 3 - Grouting Mons Hill Cavern: A case study of the use of PFA /fly ash for grouting a cavern in the West Midlands Case Study No. 4 - GFA on the A259 Ramsgate Tunnel: The use PFA in GFA for the access tunnels to Ramsgate Harbour Case Study No. 5 - PFA as a fill material at Packington on the A45, Near Coventry Case Study No. 6 - The use of PFA as a fill material on Selby Bypass, North Yorkshire Case Study No. 7 - Small Grouting Contracts: The use of PFA in grouts for smaller contracts Case Study No. 8 - Soil Stabilisation at Flixborough for North Lincolnshire Council. Case Study No. 9 - Pride Park, Derby: The use of PFA to reclaim derelict, industrial land at Pride Park, Derby Case Study No. 10 - Bilston Urban Village: The use of PFA grout to remediate land containing >100 mine shafts Case Study No. 11 - Northwich Salt Mines: The use of PFA grout in the largest contract in Europe Case Study No. 12 - Selby bypass CBM1A: The use of fly ash based CBM1A on Selby by-pass Case Study No. 13 - A52 Froghall: The first use of GFA in road construction on the A52 at Froghall, Staffs in 1997. Case Study No. 14 - Celtic Manor and the Ryder Cup 2010 - PFA has been used for landscaping. Case Study No. 15 - FABM at Ratcliffe Power Station - the builsing of a purpose built factory area adjacent to the power station Case Study No. 16 - Fill on the A421/M1 Junction - embankment fill on the A421/M1 near Milton Keynes Case Study No. 17 - FABM at Tixall C27 Holdiford Road, Tixall, Staffordshire. HAUC Info. Sheet 1: Information on the trench mix backfill trial carried out at Eardiston, Worcestershire HAUC Info. Sheet 2: Information on the trench mix backfill trial carried out at Tixall, Staffordshire