Displaying items by tag: Hanson

UK: Hanson has delivered its 10,000th load of Regen ground granulated blast furnace slag (GGBFS) from its Port Talbotsite in Neath Port Talbot to the building site of the upcoming Hinkley Point C power plant in Somerset. The GGBFS will be used in concrete production there. The latest batch brings the company’s total deliveries to the project to over 230,000t of GGBFS.

Head of nuclear operations Stewart Cameron said “Around 200,000t of CO₂ has been saved in reaching this milestone Regen GGBS load. It is a credit to all those involved as we continue to meet the standards expected of this high-profile project.”

UK: Hanson’s Regen Ground Granulated Blast furnace Slag (GGBS) product is being used by BAM Nuttall and Network Rail in the first and second phase of building a new sea wall in Dawlish, Devon. So far 4600m³ has been supplied to the project that is intended to protect a railway line from the sea. The bespoke mix being utilised for the project uses Regen GGBS to create a pumpable low carbon concrete that is strong enough to withstand erosion, waves and storm winds while reducing the amount of carbon generated by two-thirds.

“From the earliest phase of this project, we have considered how this scheme can limit its environmental impact without compromising the strength and resilience of the structure. The final design uses piles buried deep in the bedrock to create stability for the structure. Those piles are protected by prefabricated facing panels created off-site and reinforced by concrete poured in behind the visible section of wall,” said Jack Brookes, site agent for BAM Nuttall.

The project has also had to face difficult logistical, technical and operational challenges created by pouring large amounts of high specification concrete up to 200m through the night in very short tidal windows. Hanson plans to supply a further 4500m³ of concrete to the project.

UK: Hanson supplied its Regen ground granulated blastfurnace slag (GGBS) product for use on part of the Thames Tideway Tunnel super sewer project in Wapping, London. The product was used to overcome difficult ground conditions. Around 5700t tonnes of Regen, supplied from its Purfleet grinding plant in Essex, was used with 3000t of Ketton cement to create a binder to stabilise soil so work to construct a combined sewer overflow could progress and provide a connection to the main east tunnel.

Costain, VINCI Construction Grands Projects and Bachy Soletanche worked with Hanson in laboratory trials to test the performance of the system and suitability of the selected mix design. Deep soil mixing, a technique that enhances the characteristics of weak soils by combining them with a cementitious binder, was chosen as the final stabilisation method.

The Thames Tideway sewer network expansion is due for completion in 2024 and is happening across 24 construction sites in London, spanning from Acton in West London to Beckton in the east of the city.

UK: Fairport Engineering has revealed details on its work on Hanson’s 1Mt/yr Purfleet ground granulated blast furnace slag (GGBS) grinding plant. The plant includes two closed circuit ball mills and a vertical roller mill. Fairport Engineering worked on a project to improve the raw material intake facilities at the unit to replace a storage bunker with a new feed hopper and ramp. In the next phase the bunker is likely to be removed and replaced with a second feeding system.

The new system includes a reinforced concrete access ramp that will allow front-end loaders to deposit raw material into a 30t capacity Hardox lined hopper before being metered, at up to 200t/hr, by a vibrating feeder, onto an exiting conveyor belt that feeds the GGBS plant. The entire installation was completed in six weeks.

UK: HeidelbergCement’s subsidiary Hanson is supplying its Regen GGBS (ground granulated blastfurnace slag) cement replacement for a project to build a new tidal barrier across the New Cut River in Ipswich. The Euro24m project is being managed by the Environment Agency to protect properties at risk of flooding.

The work is being carried out by VBA, a joint venture between VolkerStevin, Boskalis Westminster and Atkins, and is due to be fully operational by September 2018.

UK: Hanson has re-opened its ground granulated blast-furnace slag (GGBS) grinding plant at Teesport Docks in Middlesbrough. Euro2.4m has been spent on starting up the plant again and 20 new jobs have been created.

The plant was mothballed in 2009 following the financial crisis in 2007. A continuing upturn in construction activity prompted Hanson to return to the site in 2016 and prepare it for re-opening. Slag for the plant will now be imported following the closure of a local steel plant.

“It has taken nine months to get up and running again. One of the main problems we had to overcome was to replace all the copper wiring, which had been meticulously stripped out by thieves,” said site manager Duncan Felgate.

Hanson sells its ground granulated blast furnace slag under the Regen brand name and operates a further two UK production plants at Purfleet in Essex and Port Talbot in south Wales.

UK: The Competition and Markets Authority (CMA) has welcomed the sale of plants by Lafarge Tarmac and Hanson.

In the Competition Commission's (CC) market investigation published in January 2014, the CC had ordered Lafarge Tarmac to sell one of two cement plants and Hanson to sell one of its ground granulated blast furnace slag (GGBS) plants to enhance competition in the cement and GGBS markets in the UK. Lafarge Tarmac appealed the CC's decision to the Competition Appeal Tribunal. However, in December 2014, the European Commission cleared the merger between Lafarge and Holcim, provided it divest certain assets to a new market entrant. In accordance with those commitments, the Lafarge Tarmac business in the UK, with the exception of the Cauldon cement plant, was sold to CRH and the legal challenges brought by Lafarge Tarmac to the CC have been withdrawn.

In addition, Hanson completed the sale of its GGBS plant in Scunthorpe, as required by the CC's report, to Francis Flower on 31 July 2015. This news means that the Competition and Markets Authority (CMA) has completed the divestment remedies arising from the CC's report.

UK: Mineral resources company Francis Flower has announced the acquisition of the Scunthorpe ground granulated blast furnace slag (GGBS) plant from Hanson Cement.

The business is capable of producing more than 500,000t/yr of GGBS and supplies customers in the Midlands and north of England. GGBS complements Francis Flower's existing range of high quality powdered minerals, which originate as by-products from various industries. This reduces the need for mineral extraction and landfill, delivering sustainable environmental solutions for its customers. The acquisition reflects both Francis Flower's commitment to developing its range of products and services in this sector and the credibility it has for making the most of mineral resources.

"We are absolutely delighted and very excited to announce this new acquisition. GGBS is an excellent fit to our existing product range and will help further our longstanding relationships in this sector," said Adrian Willmott, Chairman and CEO of Francis Flower. "We have a proven track record of making the most of mineral resources, reducing the need for mineral extraction as well as landfill and delivering sustainable solutions for our customers. We are very much looking forward to working with the team in Scunthorpe and developing the opportunities in the GGBS market as the UK construction sector continues to grow."