A diverse and multidisciplinary piling contractor

  • From the simple to the more advanced sheet pile installations.
Appleton Piling

Projects

Appleton Piling Ltd specialise in the many different sheet piling methods. The project profiles below are just some of the schemes we have completed recently. Appleton Piling Ltd offer advice to architects, structural engineers, contractors and developers to ensure the most cost effective steel sheet piling solution is utilised.

  • St Mary’s Roehampton

  • Principal Contractor : St James Group Ltd
  • Client : St James Group

Appleton Piling Ltd developed the temporary sheet piled cofferdam solution with St James to facilitate the construction of a basement car park for the prestigious luxury residential development.

The sheet piles were installed in close proximity to the Grade 1 Listed Roehampton House, one of only three Grade I listed buildings in SW15. In order to install the 400 No. sheet piles adjacent to the listed building Appleton Piling Ltd used the Kowan WP150 Silent and Vibration Free Pile Press.

The sheet piles will be extracted once the permanent works have been constructed.

St Mary’s Roehampton
  • Jersey House, The Bishops Avenue, London

  • Principal Contractor : Blenheim House Construction Ltd
  • Client : Fitzroy Ltd

180 No. sheet piles in lengths of 11.0m to 14.0m was designed and installed by Appleton Piling Ltd to form the permanent basement structure for a prestigious luxury residential development on The Bishops Avenue in North London.

On completion of the excavation works Appleton Piling Ltd carried out the welding works in the basement to provide a watertight basement structure.

The basement structure was designed to accommodate an indoor swimming pool, sauna, changing rooms, the plant room and a control room for the central heating and air conditioning systems.

Jersey House, The Bishops Avenue, London
Jersey House, The Bishops Avenue, London
  • Riggs Road, Ryton, Malton, North Yorkshire

  • Principal Contractor : Houseman and Falshaw Ltd
  • Client : North Yorkshire County Council

Appleton Piling Ltd supplied and installed 104 No. SX27 sheet piles, 15.0m long to construct two permanent sheet piled bridge abutment cofferdams. Inside each cofferdam Appleton Piling Ltd supplied and installed 6 No. 610mm diameter tubular bearing piles, 12.0m long.

All the steel piles were installed using resonance free hydraulic vibratory hammer and then back driven to the specified toe level using an HPH2400 hydraulic impact hammer, handled by an 80T capacity mobile crane.

Inside each cofferdam Appleton Piling Ltd supplied and fixed approximately 1,000 No. shear studs to the face of the tubular and sheet piles. The permanent works welding was tested on site using non destructive Magnetic Particle Inspection testing.

Riggs Road, Ryton, Malton, North Yorkshire
  • South Foreshore Banks, Bridlington

  • Principal Contractor : Construction Special Projects Ltd
  • Client : East Riding of Yorkshire Council

Appleton Piling Ltd developed the permanent sheet piled retaining wall solution with Hall Special Projects as part of the redevelopment of the South Foreshore Banks in Bridlington. The sheet piles were designed to act as the permanent retaining structure through and along the existing embankment. The sheet piles were then faced with concrete.

937 No. sheet piles, 5m to 10m long were installed using two Kowan WP150 Pile Press working along the existing embankment with the two crawler cranes positioned on excavator mats on South Marine Drive, at the top of the embankment.

South Foreshore Banks, Bridlington
South Foreshore Banks, Bridlington
  • The Shard, London

  • Principal Contractor : Mace Plus Ltd
  • Client : Sellar Property Group

On this very prestigious central London contract Appleton Piling Ltd were tasked with installing sheet piles to construct two temporary sheet pile cofferdams to allow the excavation and removal of existing concrete structures at depth. One cofferdam facilitated excavation to 4m deep and the other cofferdam was designed to allow excavation to 18m deep.

The gravel overlying the clay was preaugered in order to loosen the granular material prior to the installation of the sheet piles with the Kowan WP150 Pile Press. All piles were handled by the 55T Logicrane 55.38 hydraulic crawler crane.

The sheet pile installation was in close proximity to many services and structures, including the live railway and the Victorian structures of London Bridge Station. The very limited access into the site meant Appleton Piling Ltd had to strictly manage deliveries into the site. The majority of the deliveries of equipment and materials were made out of normal working hours or at weekends.

The sheet piles were extracted using the Kowan Silent Pile Press during night shift working.

The Shard, London
  • Greenwich Commercial, Greenwich, London

  • Principal Contractor : CJ O’Shea Ltd
  • Client : Galliard Homes Ltd

Appleton Piling Ltd worked closely with the Principal Contractor and the Structural Engineer to develop an economic permanent basement solution for the residential and commercial development. Over 730 No. sheet piles were installed in lengths from 7.5m to 13.0m long to construct a large permanent steel intensive basement and three permanent sheet pile retaining walls. The sheet piles were installed to facilitate the temporary excavation and to form the permanent part of the steel intensive basement structure.

The gravel overlying the clay was preaugered, using a CM600 Auger Rig, to loosen the ground prior to the pile installation using the Kowan WP150 Silent and Vibration Free Pile Press, with all piles handled by the 55T Logicrane 55.38 hydraulic crawler crane.

The sheet pile installation was in close proximity to many services and structures, as well as an existing river, and the live Docklands Light Railway on one elevation of the site.

The cofferdam, in the temporary case, was propped using several temporary welded steel tubular struts, bolted to the concrete capping beam.

Appleton Piling Ltd carried out approximately 2,000 linear metres of clutch welding to seal the sheet piles. Shear studs and a continuous steel profile plate water bar were welded to the internal face of the sheet piles at the sheet pile/concrete slab interface within the proposed basement slab.

Greenwich Commercial, Greenwich, London
  • 39 Hampstead Lane, Highgate, London

  • Principal Contractor : Talbot Construction Ltd
  • Client : Fitzroy Ltd

A permanent basement cofferdam utilising 220  No. sheet piles in lengths of 7.0m to 11.0m was designed and installed by Appleton Piling Ltd for a prestigious luxury residential development in Highgate in North London.

On completion of the excavation works Appleton Piling Ltd carried out the welding works in the basement to provide a watertight basement structure.

The basement was designed to accommodate an indoor swimming pool, plant room and a control room for the central heating and air conditioning systems.

39 Hampstead Lane, Highgate, London
  • Avenue Road, London

  • Principal Contractor : Blenheim House Construction Ltd
  • Client : Swiss Cottage 38 & 40 Properties Ltd

Appleton Piling Ltd designed and installed the temporary cofferdam utilising 260 No. PU28-1 sheet piles in lengths from 12.0m to 16.0m.

Appleton Piling Ltd also designed, fabricated and installed the temporary steel propping system. Approximately 220T of UB and tubular members were utilised to fabricate the propping system. The upper and lower frames consisted of single and twin waling systems with tubular steel struts of maximum 914mm diameter.

The temporary works allowed excavation inside the cofferdam to a maximum depth of 10m below ground level as part of the permanent basement structure for a prestigious luxury residential development in Avenue Road, Swiss Cottage, London.

Avenue Road, London
  • Flood Alleviation Scheme, Shrewsbury

  • Principal Contractor : Morrison Construction Ltd
  • Client : Environment Agency

Temporary sheet piles 8.0m long were installed to construct a sacrificial temporary sheet pile retaining wall as part of the flood alleviation works along the River Severn in Shrewsbury town centre.

Due to the extremely restricted access, and close the proximity of the existing residential structures Appleton Piling Ltd worked from the river with a personnel frame attached to the Kowan WP150.

The Logicrane 55.38 was utilised as there was insufficient space to rig a traditional lattice boom crawler crane. The elevating cab on the Logicrane gave improved lines of sight for the operator, giving improved control of lifting operations close to the residential structures.

To minimise the environmental risk to the existing watercourse and flora/fauna, biodegradable hydraulic oils were used in all equipment, with spill kits and control booms kept at each area of work.

Project Profile
  • Wigan Flood Alleviation Scheme, Wigan

  • Principal Contractor : Morrison Construction Ltd
  • Client : Environment Agency

A permanent sheet pile retaining wall 105 linear metres long was installed as part of the River Douglas Flood Alleviation Works carried out in Wigan town centre.

Due to the extremely restricted nature of the access, the proximity of the new sheet pile retaining wall to existing residential structures, and the unstable nature of the existing river bank, the 9.0m long sheet piles were installed using the Kowan WP150 Silent and Vibration Free Pile Press, with all the piles handled by a 50T hydraulic crawler crane positioned on the opposite bank of the river.

Shrewsbury Flood Alleviation Scheme, Shrewsbury
  • Reading Central One, Reading

  • Principal Contractor : Kier Build Ltd
  • Client : Kier Properties

Appleton Piling Ltd developed the sheet piling installation methodology with Kier Build Ltd on the Arup designed permanent sheet pile retaining wall which formed part of the permanent basement structure for a large mixed use development in Reading city centre. Box piles up to 24.0m long were designed to carry vertical loads within the multi-storey commercial development.

The box piles were installed in two sections and butt welded together in situ. After thorough on site weld testing the 24.0m long pile was back driven to the final level using a hydraulic impact hammer suspended from the crawler crane.

Welding of the sheet pile interlocks to provide a watertight seal within the basement retaining structure.

Fabrication and installation of horizontal interface plates, designed to accommodate the structural transition from steel box piles to concrete superstructure, to the top of the box piles.

Installation of a specific protective paint system to the exposed sheet/box piles within the permanent basement structure. The paint system used comprises of a white paint colour in order to maintain a bright surface finish, whilst the semi gloss finish avoids problematic glare from car headlights using the finished underground car park.

Reading Central One, Reading
Reading Central One, Reading
  • Abford House, Victoria, London

  • Principal Contractor : Carillion plc
  • Client : Heron International

Appleton Piling Ltd designed and installed the temporary cofferdam utilising 235 No. L606 sheet piles in 12.0m and 13.0m long piles. The sheet piles were installed using the Kowan WP150 from the existing basement level approximately 4.0m below existing street level to form the cofferdam next to the Apollo Theatre.

Theatre performances continued whilst the sheet piles were installed by Appleton Piling Ltd on the construction site next door.

Appleton Piling Ltd fabricated and installed the temporary steel propping system. Approximately 200T of UB and tubular members were utilised to fabricate the propping system. The upper and lower frames consisted of single and twin waling systems with tubular steel struts of maximum 610mm diameter.

The temporary works allowed excavation inside the cofferdam to construct a double basement structure for a prestigious commercial development in Victoria, London.

Abford House, Victoria, London
Abford House, Victoria, London
  • Project : Graincliffe WTW, Bingley

  • Principal Contractor : JN Bentley Ltd
  • Client : Yorkshire Water

Temporary cofferdam 45m x 35m, constructed using PZC18 sheet piles 8.0m long, with a large temporary welded steel frame using tubular steel diagonal corner struts.

The stiff clay was preaugered prior to the installation of the sheet piles with the Telescopic Leader Rig c/w 600kN vibratory hammer.

Graincliffe WTW, Bingley
  • Project : St Martins-in-the-Fields, London

  • Client : Costain

Temporary sheet piles of lengths from 11m to 7.5m were installed, using the silent and vibrationless Kowan WP150 Still Worker pile press, with water jetting, adjacent to the listed St Martins-in-the-Fields church.

Piles were installed from ground floor level through slots cut in the brickwork vaults. Piles were also installed from the crypt level, parallel to the church wall.

The sheet piles, when propped, formed a cofferdam to facilitate the excavation of the existing vaults and construction of a new basement structure.

St Martins-in-the-Fields, London
  • Imperial College, London

  • Principal Contractor : Expanded Structures Ltd
  • Client : Laing O’Rourke

Temporary sheet piles, 12m long, were installed to construct a temporary retaining wall, using the silent and vibrationless Kowan WP150 Still Worker pile press, with water jetting, adjacent to the existing college building and local houses.

Imperial College, London
  • Drayton Park, London

  • Principal Contractor : CJ O’Shea Ltd
  • Client : Galliard Homes Ltd

644 No. permanent sheet piles of lengths from 11m to 5.5m were installed, using the silent and vibrationless Kowan WP150 Still Worker pile press, with water jetting, adjacent to a live railway and the Drayton Park Road.

The sheet piles retained the temporary excavation levels and then formed the permanent retaining structure of the basement when propped with the basement and ground floor slabs.

Drayton Park, London
  • Old Road Campus, Oxford

  • Client : Mace Plus

445 No. permanent sheet piles of lengths from 11m to 7.5m were installed. The dense granular material was preaugered and the sheet piles were installed using both the Telescopic Leader Rig with 600kN vibratory hammer and the silent and vibrationless Kowan WP150 Still Worker pile press.

The sheet piles retained the temporary excavation levels when propped with a temporary welded steel frame and then formed the permanent retaining structure of the basement when propped with the basement and ground floor slabs.

Old Road Campus, Oxford
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