Adrian St.John, BEng (Hons) Eur Ing FICE CEng - BAM Ferrovial Kier

Photo of Adrian St John

Adrian St.John is a Fellow of the Institution of Civil Engineers and a Supervising Civil Engineer. He has spent most of his 24 year career working on major infrastructure and tunnelling projects in the UK and overseas, including the Brighton Stormwater tunnel and High Speed 1 at St Pancras. He spent 6 years as Chief Engineer for BFK Joint Venture who were the main contractor on Crossrail contracts C300, C410 and C435, and is the Design Director for Carillion Eiffage Kier (CEK) Joint Venture bidding for the forthcoming HS2 main civil works.

Summary
Publication Date
Crossrail Farringdon Station SCL Tunnels: delivering value through innovation and best practice
Crossrail Farringdon Station SCL Tunnels: delivering value through innovation and best practice

Crossrail Farringdon station stands amongst the most geotechnically challenging tunnelling projects in the UK with approximately 1km long sprayed c...

Delivering a Safe Integrated SCL Design: The Challenges and Successes of Crossrail Contract C300/C410
Delivering a Safe Integrated SCL Design: The Challenges and Successes of Crossrail Contract C300/C410

The design delivery for the sprayed concrete linings (SCL) for Crossrail contract C300/C410 Western Running Tunnels and Station Caverns has involve...

03/11/2014
Geotechnical Risk Management for Sprayed Concrete Lining Tunnels in Farringdon Crossrail Station
Geotechnical Risk Management for Sprayed Concrete Lining Tunnels in Farringdon Crossrail Station

The proposed Crossrail station will comprise two ticket halls, two escalator/concourse tunnels, two platform tunnels, numerous cross passages and v...

03/11/2014
Stabilisation of soil pillar adjacent to Eastern Ticket Hall at Bond Street Crossrail Station
Stabilisation of soil pillar adjacent to Eastern Ticket Hall at Bond Street Crossrail Station

Sprayed concrete lining (SCL) tunnelling alongside the secant pile walls forming the Eastern Ticket Hall (ETH) box at Bond Street station left a na...

03/11/2014
Temporary Sprayed Concrete Lining Tunnels in Farringdon Crossrail Station
Temporary Sprayed Concrete Lining Tunnels in Farringdon Crossrail Station

Two additional temporary sprayed concrete lining (SCL) structures were designed in addition to the base design, and constructed for Crossrail at Fa...

07/09/2015
Figure 20: Excavation of top heading during enlargement of precast concrete pilot tunnel to full platform size (11m wide x 10m high).
Use of TBM pilot tunnels for large diameter SCL caverns: the benefits, challenges and successes of Crossrail contract C300/C410

A key bid-winning innovation introduced by BAM Ferrovial Kier (BFK) joint venture on the combined Crossrail Contract C300/C410 was the change of se...

07/09/2015
Management of Obstructions and Adverse Ground Conditions During SCL Tunnelling Works at Bond Street and Tottenham Court Road Stations for Crossrail Contract C300/410
Management of Obstructions and Adverse Ground Conditions During SCL Tunnelling Works at Bond Street and Tottenham Court Road Stations for Crossrail Contract C300/410

During construction of the sprayed concrete lined tunnels at Bond Street and Tottenham Court Road Crossrail stations, a number of challenging condi...

31/08/2016
Sprayed Concrete Lining Falls and Exclusion Zone Management
Sprayed Concrete Lining Falls and Exclusion Zone Management

Falling ground or immature concrete within sprayed concrete lined tunnels is a major safety risk to personnel, which has complex inter-relationship...

31/08/2016
Taking the strain, coping with pressure or shooting targets? An objective comparison between monitoring solutions within sprayed concrete lined tunnels at Crossrail Farringdon Station, London
Taking the strain, coping with pressure or shooting targets? An objective comparison between monitoring solutions within sprayed concrete lined tunnels at Crossrail Farringdon Station, London

Methods of monitoring the structural behaviour of tunnels during construction traditionally rely on in-tunnel displacement monitoring, with designe...

31/08/2016
Design and construction of Fisher Street crossover cavern on Crossrail contract C300/C410, London
Design and construction of Fisher Street crossover cavern on Crossrail contract C300/C410, London

Creating a complex sprayed concrete lined (SCL) crossover between the Crossrail running tunnels at Fisher Street presented the project team with ma...

31/08/2016