BBC tv’s Fifteen Billion Pound Railway
BBC tv’s documentary “The Fifteen Billion Pound Railway”, which follow the construction of London’s Crossrail project, is back on our screens.
Episode 1 of the new series shows our team pumping heavyweight concrete at Farringdon Station to form a sound deadening track slab underneath the Barbican theatre and concert hall. The programme explains the construction of the floating track slab in some detail but what it doesn’t tell you is that our pipeline was 1,000m long!
It is available to watch on the BBC iPlayer until the third week of June 2017 and will doubtless be repeated at some time in the future.
We will be exhibiting at Railtex 2017 at the NEC, Birmingham. The show runs from 9th to 11th May 2017. Please come and visit us on Stand N81 in Hall 3. We will be showing a small Schwing mobile boom pump, ideal for setting up on tight sites, and a high pressure Putzmeister static pump, built to pump long pipelines – 1,000 metres plus.
As previously reported, Crossrail now has a Learning Legacy website dedicated to “the collation and dissemination of good practice, lessons learned and innovation from the Crossrail construction programme”. The material, consisting of case studies, technical papers, documents, templates and datasets, is being “shared for use by other major projects and is relevant to clients, corporates, and suppliers from main contractors to small and medium enterprises.”
Recently a technical paper was published on the Learning Legacy website about the design, detailing and construction of the Moorgate shaft base slab – a 1750 m3 pour carried out using Camfaud pumps.
Moorgate shaft base pour
The technical paper makes for fascinating reading, especially in regard to the pour preparations. As the paper concludes: “Careful planning of the concrete pour from reinforcement detailing through to road closures to give access to a constrained site in the heart of the City of London, the contingency measures for disrupted concrete supply and the control of concrete temperature led to the successful execution of what was at that time Crossrail’s largest concrete pour.”
Crossrail C610 – Heavyweight concrete pumping
The February 2017 edition of the Concrete Society’s magazine Concrete, has an article about placing heavyweight concrete to form part of the Crossrail track slab in central London. The joint venture contractor installing the track on this project is ATC jv (Alstom, TSO and Costain), the concrete is supplied by London Concrete and the concrete pumping is being carried out by Camfaud.
Heavyweight concrete was considered the best option for this section of track bed in order to minimise the noise and vibration generated by the Elizabeth line when it is in service, especially in noise sensitive areas with recording studios above.
The heavyweight concrete used contains MagnaDense, a natural aggregate which is approximately twice as dense as normal aggregate. MagnaDense from LKAB Minerals is formed of black ferrimagnetic natural iron oxide (magnetite) and is mined in Kiruna and Malmberget in northern Sweden.
As the article notes, Camfaud Concrete Pumps chose a Putzmeister BSA2110HP static pump as the main pump, with another high-pressure pump being used as a backup and also to clean the lines using a water wash-out system. The concrete has been pumped through 1100m of pipeline, during which time there was approximately 40 tonnes of material contained in the line.
The same edition of Concrete magazine has an article about the new Medway valley crossing, built by BAM Nuttall to give access to the new 1000 home, Peters Village. Camfaud carried out the concrete pumping on this project too and further information about Camfaud’s work on this innovative bridge construction can be found here.
FORS Gold Award
We are pleased to announce that we have recently been awarded the Fleet Operator Recognition Scheme (FORS) Gold membership.
The Fleet Operator Recognition Scheme (FORS) is a voluntary accreditation scheme that promotes best practice for commercial vehicle operators. FORS encompasses all aspects of safety, efficiency, and environmental protection by encouraging and training fleet operators to measure, monitor and improve performance.
Congratulations are due to Richard Clark, our Plant & Transport manager, who manages the scheme for Camfaud, and to all of our pump operators, truck drivers and the drivers of our company vans and cars for their commitment to maintaining the highest driving standards.
For more information about this award, please visit the case study on the FORS website.