Lytag Ltd News
| The UK Concrete Show
| 6 February 2012
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Final preparations are underway for the UK Concrete Show being held on 22nd - 23rd at Ricoh Arena, Coventry.
Lytag Ltd are exhibiting on stand B8 and are looking forward to a successful show!
Register for your ticket now...http://www.concreteshow.co.uk/zone.html
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| Piano's Central St Giles is 'best of the best' at office awards
| 8 December 2011
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Renzo Piano and Fletcher Priest’s Central St Giles development has won the 'Best of the Best' category and the national award for 'Best Commercial Workspace' at The British Council for Offices (BCO) Awards 2011.
The 2011 National winners were announced on Tuesday 11 October to an audience of 1,300 BCO members and their guests in the Great Room at The Grosvenor House Hotel.
The vibrantly coloured Central Saint Giles, designed by Renzo Piano, is an exemplar of excellence in office-led, mixed-use development consisting of 400,000 sq ft of Grade A office space, 56 private apartments, 53 affordable homes and nine new restaurants and café bars arranged around a new courtyard piazza. It is home to NBC Universal, Google, Mindshare, Specific Media and Burson & Marsteller.
The judges said: "This truly cosmopolitan new space for London clearly shows the empathy between developers and the architects. The fact that the building is fully let is a testament to the adaptability and attractiveness of the floor space."
Lytag® LWA was utilised in the readymixed concrete for the composite floor slabs. This resulted in a reduction of the concrete weight by approximately 25% when comparing to standard weight concrete.
The scheme has achieved a BREEAM "Excellent" rating, as well as a Very Good EcoHomes rating. Lytag® LWA, (a wholly manufactured aggregate, made from a waste stream) can improve thermal insulation when compared to standard aggregates.
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| Andrew Cross joins Lytag Ltd as Technical and Quality Manager
| 6 December 2011
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Lytag Ltd, has appointed Andrew Cross to the role of Technical and Quality Manager. Andrew, who began the role in November 2011, is based at the business’ head office in North Yorkshire and is providing technical expertise for users of LYTAG lightweight aggregate (LWA) across the globe.
Andrew is an experienced materials technologist who holds a diploma in Advanced Concrete Technology. As well as expert knowledge of lightweight aggregate application, ready mixed concrete and precast concrete, he brings extensive experience to his new role. Andrew has worked in the aggregate and concrete industries for more than 15 years, and he joins Lytag Ltd following roles including National Technical Manager at Marshalls Plc and Technical Quality and Improvement Manager at CEMEX.
Gareth Moores, Managing Director of Lytag Ltd, comments: “Andrew’s experience and expert technical knowledge will help us to continue providing our customers with the very best service and support. Andrew will have an important role in the development of Lytag Ltd as the business continues to grow: as well as providing technical support and guidance for customers and the Lytag Ltd sales team, he will be involved in product development and maintaining our excellent quality, environmental and safety performance.”
Andrew Cross comments: “I am proud become part of the Lytag Ltd team that provides unique lightweight aggregate and concrete solutions for projects as varied as the Gherkin, Westminster Bridge and the Millennium Stadium. For me, environmentally responsible construction is a passion and I look forward to assisting specifiers and end users in realising the full potential of LYTAG LWA.”
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| Success for Lytag® LWA at the 2011 Concrete Society Awards
| 21 November 2011
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At the recent Concrete Society Award, the Angel Building designed by AHMM and structural engineer Adams Kara Taylor won the Rejuvenation Award as well as the Certificate of Excellence, recognising excellence in the use of concrete in the UK.
Judges’ Comments included: Stunning internal elevations with high-quality, self-finish in-situ concrete work – true craftsmanship. The load-bearing properties of concrete are fully and elegantly exploited. It shows careful and sustainable reuse of an existing concrete frame. We loved the crafted feel. Value is in the commercial success of the building and design and execution are key to this.
The Angel Building also won the BCIA Judges’ Special Award, for a project of any size which the judges consider to be particularly inspirational.
The building shows careful and sustainable reuse of an existing concrete frame. Much of the reuse made possible by the use of Lytag® LWA concrete enabling a reduction of around 25% in weight for structural concrete without compromise of strength.
The Civil Engineering Category Award went to the Riverside Resource Recovery Facility, Belvedere in London.
Costain is design-and-build contractor for this, the largest energy from waste plant under construction in Europe. The facility helps manage London’s waste, while keeping 100,000 HGVs off the roads annually. It also makes a real contribution to London’s ability to meet landfill targets and generates electricity for 66,000 homes.
Judges’ Comments included: The project was a huge logistical enterprise. The co-ordination of the concrete supply and works, not only for the slipform but also the infrastructure and ancillary construction, is impressive. Concrete in the form of in-situ and precast is the only material for this purpose.
Lytag® LWA concrete was employed in the ancillary areas of the project.
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| Retro Lytag® LWA Lightweight Concrete, 30 years on
| 9 November 2011
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The 600ft/183metres National Westminster Tower became Britain’s tallest building and it was anticipated it would become “the ultimate apotheosis” of the office tower. It was officially opened by the Queen on 11th of June 1981.
By any standards, the Tower, designed by Richard Seifert, engineered by Pell Frischmann and built by John Mowlem & Co as a new headquarters for the National Westminster Bank was a tremendous technical and design achievement. Springing from deep pilings underground, like the trunk of a tree, it was, at the time of its construction, the tallest unbraced building in the world. Its 47 office floors of which 42 are cantilevered are served by double-decker lifts and house approximately 2,500 office workers in computer-controlled comfort. The tower was constructed using Lytag® LWA concrete for the composite decking providing weight reduction and fire protection. The building was damaged by IRA bombs in 1992 and 1993.
It held the status of tallest building in the City of London for 30 years, until it was surpassed by the Heron Tower, also containing Lytag® LWA concrete in December 2009. The tower renamed Tower 42 after the bank vacated, it is now multi-tenanted.
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| Lytag® LWA concrete used for Channel 4 Grand Designs Project
| 26 October 2011
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Russell Gardens Mews in Kensington, London is a new build 2500 sq ft house on 5 levels including a large basement leisure area wrapped around a courtyard with fish pond and waterfall. It is designed to achieve Code for Sustainable Homes code 5.
The private house scheme is located at the end of an existing mews and the house has a contiguous piled basement and new ground floor slab, with a 2 storey Insulated Concrete Formwork build over the top. The project was filmed for the “Grand Designs” programme.
The Architect/Client was very keen to use Lytag® due to it being a secondary aggregate, manufactured from a waste stream together with its weight, thermal and acoustic properties. By considering the use of Lytag® at an early stage in the design process there was the potential to reduce the quantities of construction material required.
The Insulated Concrete Formwork used for the Mews was filled by using a concrete pump with Lytag® LWA LC 35/38 concrete. The concrete also included steel fibres and an internal waterproofer for the base pour of the walls.
For more information:
http://www.channel4.com/programmes/grand-designs/articles/kensington-suppliers
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| Lytag Ltd exhibiting at Ecobuild 20th – 22nd March 2012
| 20 September 2011
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Lytag Ltd will be exhibiting at Ecobuild on 20th to 22nd March 2012 at ExCel in London. Lytag Ltd will exhibit in the Concrete and Masonry Village in conjunction with British Precast. If you are attending please come and meet our team for a chat about the benefits of using LYTAG LWA. We look forward to seeing you there.
For more details please see www.ecobuild.co.uk
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| Lytag FZE exhibiting at Middle East Concrete 2011 21st – 24th November 2011
| 8 September 2011
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Lytag FZE are exhibiting at Middle East Concrete 2011 at the Big 5 on 21st – 24th November 2011 at the Dubai International Exhibition and Convention Centre.
Middle East Concrete is co-located with the region’s largest building and construction show – The Big 5. The show will feature non-stop demonstrations, interactive zones and the opportunity to engage with experts and share best practice.
Gareth Moores, Lytag Ltd’s Managing Director will also be presenting a paper on the Benefits of Lightweight Construction on 21st November 2011.
We look forward to your attendance at the seminar and meeting you at our stand MEC F87.
For more details please see www.middleeastconcrete.com
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| The Angel Building
| 28 July 2011
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The Angel Building designed by architects Allford Hall Monaghan Morris has been shortlisted for the RIBA Stirling Prize 2011.
The Building has already been awarded the BCO award for Refurbished and Recycled Workspace, RIBA Award for Architecture, the NLA New London Award and it was commended at the Civic Trust Awards 2011.
Great care has been taken with the design of the details of the building, from the flooring to the finish of the Lytag® LWA lightweight concrete, as smooth as silk, creating a building of quality and functionality. The high quality concrete finish, designed to a light even grey with the tie holes and pour lines exposed is a main feature, these materials enclose elegant spaces that provide the perfect working environment.
The Stirling Prize recognises the single building that has made the most significant contribution to architecture over the last 12 months and this is the third time AHMM has been shortlisted for this prestigious award.
The Angel Building is one of six shortlisted projects and the winning scheme will be announced on Saturday 1st October at Magna Science Adventure Centre in Rotherham and will be broadcast on a special edition of BBC TWO’s The Culture Show on Sunday 2nd October.
Good luck with your entry.
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| Lytag® concrete supports Bodleian library
| 6 June 2011
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The Bodleian Libraries of the University of Oxford form the largest university library system in the United Kingdom. They include the Bodleian Library, which has been a library of legal deposit for 400 years. The combined library collections number more than 11 million printed items.
The existing Underground Bookstore (UBS), originally constructed between 1909 and 1912 underneath Radcliffe Square is undergoing conversion to become an open-access library. A fire assessment was carried out by the Fire Engineers which included a reconsideration of the fire strategy and level of risk with higher occupation
Close to the tunnel entrance on the north side of the upper USB is an existing access stair which has been retained and enlarged. Lytag® lightweight aggregate concrete was used and cast in-between an existing steel joist floor to provide a solid floor deck and fire protection to the steels. The enclosed space also forms a fire refuge lobby within this grade 1 listed building.
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| Angel building wins RIBA award and Civic Trust awards
| 24 May 2011
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The Angel building, designed by Allford Hall Monaghan Morris and completed in September 2010 has just been awarded a RIBA award.
The Royal Institute of British Architects (RIBA) announced the winners of the 2011 RIBA Awards on Thursday May 19th.
The building is an office development with retail at ground level, opening onto a new public realm in Islington and Barking Central. It is a mixed-use scheme including residential apartments, a learning centre, hotel and a new town square.
The building has also received a Civic Trust Awards Commendation 2011
To allow alterations to the old structure and tie in with the new, a lightweight concrete was required and supplied to produce a concrete with an effective reduction in dead load of approximately 25% over normal weight concrete.
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| Lytag Ltd at Precast 2011, 18th May 2011, Leicester
| 5 April 2011
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LYTAG Ltd will be an exhibitor at Precast 2011, organised by British Precast, at the Ramada Grand Hotel, Leicester, on 18th May 2011 from 9.30 am.
LYTAG Sales and Technical personnel will be available all day to present and discuss LYTAG lightweight aggregates, specifically designed and manufactured to meet all the requirements of modern construction practice providing greater opportunities in architectural and structural design with significant advantages in production techniques and logistics.
We look forward to seeing you on the 18th May to discuss how we can benefit your business.
LYTAG Ltd details can be found at www.lytag.net or contact Philip West, Sector Manager Concrete & Precast on 07970 835839 or 01904 727922, e-mail located on our contacts page
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| Lytag FZE at The Arabian Construction Week, Abu Dhabi.
| 2 March 2011
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LYTAG FZE, Lytag Ltd's sister company in the UAE, will be exhibiting at The Arabian Construction Week at the National Exhibition Centre (ADNEC) in Abu Dhabi, UAE from the 28th to 30th March 2011. If you are attending please come and see us for a chat. LYTAG FZE can be found at stand 8602 in Future Build area. ACW is 3 exhibitions in one, Green Building, Future Build and Civil Engineering. Future Build is a platform to showcase the latest technological solutions for existing and future construction and building projects within the Middle East. For more information or to register for the event follow the link http://www.arabianconstructionweek.com We look forward to seeing you there.
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| Lytag® LWA screeds at exclusive One Hyde Park
| 24 January 2011
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London’s most exclusive address and the world’s most expensive residential apartments at One Hyde Park were officially unveiled on Wednesday January the 19th by the property duo, the Candy brothers. Prices for the apartments at the Knightsbridge project start at £6.5m for a simple one-bedroom flat and soar to £140m for one of the penthouses. Lytag® LWA no fines screed was used to reduce the weight of the screed and was used on all floors of the 86 apartment development.
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| Lytag Ltd at CONCRETE The UK Concrete Show 2011
| 12 January 2011
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LYTAG Ltd will be attending The Concrete Show at the Ricoh Arena in Coventry on 23 & 24 February 2011. If you are attending please come and see us for a chat. On Thursday at 10.00 in Seminar Theatre 2 we will also be holding a seminar on: The Specification and Design of Lightweight Concrete and Screed. The object of the seminar is to discuss lightweight aggregates, specifically designed and manufactured to meet all the requirements of modern construction practice and their advantages, giving wider opportunities in architectural and structural design. We look forward to seeing you there. LYTAG Ltd can be found at stand B7
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| It's official: Shard now tallest building in UK
| 29 November 2010
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One Canada Square (also known as the Canary Wharf Tower), which was famous for being the tallest building in the United Kingdom since 1991, standing at 230m and containing 50 floors, has been surpassed by The Shard which now holds the record as the UK's tallest building after the concrete core passed the 235m mark.The tower when completed will stand at 310m tall and have 72 floors, plus 15 further radiator floors in the roof. The entire building has been designed with an irregular triangular shape from the base to the top. The tower will be clad entirely in glass and will be used for mixed-use purposes, including offices, residential apartments and a hotel. The Shard now joins Canada square, Tower 42, The Broadgate Tower and the Swiss Re Building as the tallest buildings in London. All of these buildings contain Lytag® LWA concrete in their structures.
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| National Grid Wormington to Sapperton pipeline
| 22 November 2010
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National Grid needed to expand its network of high-pressure (75 bar) natural gas pipelines in Gloucestershire to help meet growing demand for reliable gas supplies in the south west of England. The pipeline is 900mm in diameter and runs for 44km, connecting the compressor station at Wormington, near Broadway, to the above-ground installation at Sapperton, near Cirencester. Lytag ltd's Geo fill® civil engineering bulk fill L2, a structural grade secondary aggregate, was an ideal material to help reduce the soil to pipe friction ratio by reduction of the soil overburden over 1200m on a steep (10-20degree) slope, where there was significant spring water present. The particle size and shape of Lytag ltd Geo fill® civil engineering bulk fill also gives it excellent hydraulic conductivity properties.Lytag ltd Geo fill® civil engineering bulk fill is manufactured from a waste stream material therefore the need to extract virgin materials to obtain aggregate is also negated.
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| New Lizard RNLI Lifeboat Station
| 10 November 2010
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Construction of a state-of-the-art Royal National Lifeboat Institution (RNLI) station has begun at the Lizard, England's most southerly point, ready for the arrival of its Tamar-class all-weather lifeboat in 2011. The new building is constructed on the same site as the former lifeboat house that was constructed during the 1960s. The building will reuse the old substructure which has a slipway containing 27 piles. Reinforced Lytag® LWA precast concrete slipway transoms (cross head beams spanning between pairs of the circular steel piles) were installed. The transoms brace the pile heads and provided a surface on which to fix the steel-framed slipway bays. Lytag® LWA material was used to produce LC45/50 precast concrete for the transoms suitable for use in a "Marine Environment". The reduced unit weight also aided crane lifting requirements. The transoms were manufactured off-site by Cornish Concrete of Truro. When work completes in autumn 2011, The Lizard's new lifeboat station will house the charity's latest Tamar Class high speed all-weather lifeboat, and provide vital sea rescue services off the Cornish coast.
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| The world's largest Apple shop has opened in London's Covent Garden
| 6 September 2010
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Covent Garden is a magnet for locals and tourists, especially on weekends when street entertainers provide a show. The space in front of the Apple store is typically a sea of people on Saturdays. The store was the firms’ 300th and most historic store and opened its doors on Saturday 7th of August 2010. The retail space occupies about 30,100 square-feet, including stock in the basement. Substantial restorations have been made to the Grade II listed building on The Piazza. Historic features that had deteriorated or disappeared were all under the supervision of an independent heritage specialist. In order to work with and retain historic features and structural components within the building, an LC35/38 Lytag® lightweight course and fines aggregate concrete was designed to comply with the maximum specified dry density requirement of 1520kg/m3. Concrete containing Lytag granular and Lytag fines can achieve an oven dry density class D1.6 (1400 – 1600 kg/m3) depending on mix and is used generally where there is the requirement for a very low concrete density such as in historic buildings or long span structures with a high ratio of dead to live loading.
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| Lytag® Geo fill® used to stabilise bridge embankment
| 29 July 2010
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Network Rail commissioned the Contract for the Cleeve Overbridge Embankment Stabilisation. The upgrading work has enabled the embankments to support the subsiding road leading up to the bridge. This will help cope with the increased road haulage traffic-flow travelling to and from the surrounding industrial estates. The 10 week period embankment strengthening and stabilisation project involved stripping and piling the four embankments leading to the bridge. Some areas also received mass concrete footings prior to installation of pre-cast concrete and in-situ concrete sheer retaining walls. Drainage has been improved by installing Lytag® Geo fill® L2. Lytag® Geo fill® is a strong and ideal medium for land drainage. Its particle size, rounded shape and regular grading give excellent hydraulic conductivity. Lytag® Geo fill® aggregate also reduced the dead load and lateral pressures on both foundations and retaining walls due to being approximately 50% of the weight of ‘normal’ aggregate. The spherical shape of the aggregate minimises required compaction. Following the work the embankment was re-profiled.
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| The Construction News "Quality Award for Project over £50m"
| 2 July 2010
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The Construction News “Quality Award for Project over £50m” goes to the project team of Balfour Beatty Civil Engineering for the Northern Ticket Hall, Kings Cross St Pancras underground station. The new Northern Ticket Hall at Kings Cross and St Pancras Underground station was opened on the 2nd December 2009 The concrete slabs for the three storey concrete box / hall was designed and cast using a 40N/mm2 Lytag® Lightweight aggregate concrete, to reduce the overall concrete weight, with a U2 & F4 finish. The 4000m2 hall significantly increases the station capacity and provides a boost to passenger movement between mainline services at Kings Cross and St Pancras international stations and the London Underground network. The hall opened within time and budget. Congratulations Balfour Beatty
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| Lytag® LWA screed at the Savoy
| 13 May 2010
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The famous Art Deco doors of London’s Savoy Hotel were closed in December 2007 for the most expensive hotel renovation project in British history to date. The hotel will reopen this summer. The 120-years old building on The Strand has been completely stripped back and with such a huge restoration a series of small obstacles have had to be taken care of and corrected. This included the need for some lightweight floor screeds. To aid with this part of the restoration project Lytag ltd supplied bagged lightweight aggregate in nominal 12.2kg bags, which is equivalent to approximately 25kg of normal weight aggregate. The use of Lytag® lightweight aggregate (LWA) in screeds can reduce the dead weight by up to 50%. The weight reduction of the material in small bags also assists with manual handling. The bags were supplied on pallets containing 59 bags. Each pallet produces approximately 1m3 of finished screed. Lytag® LWA is widely used throughout the UK in floor and roof screeds giving lower densities, improved thermal and acoustic insulation and uses less cement than traditional cement sand screeds.
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| LYTAG now available in small bags
| 12 May 2010
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LYTAG 4/8mm lightweight aggregate is now available on pallets in small bags. Pallets holding sufficient material to make around 1m3 of finished screed is now available. Each pallet has 59 bags, each bag weighing approximately 12.2kgs, and is shrink wrapped. Ideal for those jobs with difficult access where material is to be handled, with each bag holding the same volume of material as a traditional 25kg bag but half the weight. It is also ideal for filling small voids where access requires material to be moved by hand, such as on upper floors. Further information is available from our sales office on 01904 727922
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| Success for LYTAG Ltd at the Civic Awards 2010.
| 19 March 2010
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Launched in 1959, the Civic Trust Awards is one of the oldest built environment award schemes in Europe. The Civic Trust Awards are unique and recognise the best in the built environment. This year, as in 2009, Lytag Ltd are proud to have been associated with two winning projects.
A Civic Trust ‘Special Award’ goes to the Hull Truck Theatre. Each year, a series of prestigious Special Awards are awarded to outstanding schemes. These are given to Award winning schemes which show excellence in a specific category or field. The aspirational new Hull Truck Theatre building acknowledges the Theatre Company’s forty-plus-year cultural contribution to Hull. The scheme comprises two main auditoria, public foyer and private back of house areas. Approximately 160m3 of 8:1 Lytag® LWA screed was installed.
A Civic Trust Award ‘Commendation’ goes to 7-10 Old Bailey. This contemporary, well designed building with a durably detailed exterior provides good quality workspace for its users. It is clear that accessibility and inclusive design has been considered and incorporated at an early stage of the design and development. Approximately 7,904m2 (8 floors) of Lytag® lightweight aggregate concrete with STRUX 90/40 structural fibres was placed on RLSD Holorib steel decking.
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| Eurocodes
| 23 February 2010
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As the time approaches when the Structural Eurocodes will replace British Standards, many engineering practices are reluctant to embrace the new codes. The Structural Eurocodes are a set of harmonized European standards for the design of buildings and civil engineering structures. They will replace existing British Standards, which are due to be withdrawn on 31 March 2010 when full implementation of the Eurocodes will take place. The Lytag® Technical Manual has been updated to reflect the impending changes. Section 4 - Design Guidance for Lytag LWAC (concrete) was updated last year to ensure that the relevent information was available for those starting to use the new codes. Used in conjunction with the Eurocodes, Lytag® lightweight aggregate concrete can be designed for structures meeting the new standards. To download section 4 follow the link below. Please register your details before downloading the document. Lytag® Technical Manual Section 4 - Design Guidance for Lytag LWAC (concrete)
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| The Heron Tower
| 22 February 2010
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The Heron Tower, also referred to as 110 Bishopsgate became, on February the 19th, the first building within the 2000 year history of the City of London, and only the second building in the United Kingdom to surpass and top out beyond the 200 metre threshold. It has surpassed the 183 meter high Tower 42 and stands at 202.5 metres. The steel frame structure contains Lytag® LWA concrete floors.> The building will be completed and habitable sometime during 2011 and support a yet to be constructed nearly fifty metre spire. The tower will then soar to 246 meters even beating the height of 1 Canada Square.
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| Civic Trust Shortlist contains Lytag® LWA
| 19 January 2010
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The Civic Trust shortlist was unveiled by the Architect’s Journal on 18th of January. Two projects containing Lytag® LWA have been shortlisted to receive either an award or commendation.
7-10 Old Bailey, London Redevelopment of a site in the City of London adjacent and on the east boundary of the Central Criminal Courts within the Ludgate Hill Conservation Area. Approximately 7,904m2 (8 floors) of Lytag® lightweight aggregate concrete with structural fibres was placed on Holorib steel decking.
The Hull Truck Theatre, Hull The theatre on Ferensway has a main auditorium and smaller studio theatre. It also contains education spaces, large foyers and cafe-bars.Lytag® 8:1 lightweight no fines screed was used to reduce the dead weight on the roof precast plank system. The announcements will be made at the 2010 Civic Trust Awards Ceremony on Friday 12 March at St George’s Hall, Liverpool. Good luck with your entries!
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| New RNLI life boat Station, Bembridge, Isle of White.
| 14 December 2009
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The Bembridge RNLI lifeboat station is strategically situated in the Solent, home to one of the busiest shipping lanes in our waters used by over 100,000 commercial ships per annum. Since the station was first built in 1867, over 900 lives have been saved. The all-weather lifeboat house originally constructed in 1922 survived until 2009 when it was demolished. The supporting stilts and walkway were old and crumbling away and waves could dangerously crash over the walkway and anyone on it. The RNLI investigated the viability of further repairs and alterations to the station but it was found to be cheaper to build a new station. The new station is due for completion in 2010 and will cost approximately £10,000,000. Lytag® lightweight aggregate was used to produce LC 45/50 lightweight precast concrete for the slipway and walkway units, suitable for use in a marine environment, in a value engineering exercise. The reduction in weight also helped with the crane lifting requirements.
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| New Kings Cross northern ticket hall
| 2 December 2009
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The new Northern Ticket Hall at Kings Cross and St Pancras Underground station was opened on the 2nd December 2009. The concrete slab for the hall was designed and cast using a 40N/mm2 Lytag® Lightweight aggregate concrete, to reduce the overall concrete weight, with a U2 & F4 finish. The 2000m2 hall significantly increases station capacity and provides a boost to passenger movement between mainline services at Kings Cross and St Pancras international stations and the London Underground network. In addition to the new Hall, ten new escalators and five lifts were installed. 300m of new tunnels were also dug to link with the Northern, Victoria and Piccadilly platforms.
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| The world's largest Audi centre
| 20 November 2009
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The world's largest Audi centre and probably the largest single car ‘emporium’ in Europe opened in October 2009. It is located on one of the UKs most prominent roadsite sites, on the A4 Great West Road between central London and Heathrow Airport. The building contains 5 storeys above and 2 below ground with in excess of 17000 square metres of floor space, a sizeable proportion of which will be dedicated to sales. The basement floors include car parking and 32 service bays. The building also features a mezzanine floor approximately 50m wide and fully suspended from a series of 12-degree raking rods supported from the first floor main beams. Lytag® LWA was used in the readymixed concrete, reducing the hardened concrete weight, allowing thinner slabs and fewer supports in the design, providing a more versatile space.
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| Lytag® LWA moved by DISAB boom and snorkel system
| 4 November 2009
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Lytag Ltd together with JK Environmental were asked by Balfour Beatty to demonstrate how Lytag® LWA could be moved over some distance. A demonstration was held using a DISAB suction unit. Material was moved using the boom and snorkel system and discharged using the ‘high tip’ and the ‘blowing system’ using the distribution box. The demonstration distance was set at 100 meters. The trial was conducted successfully and demonstrates that Lytag® LWA can easily be moved over some distance by such a system. For a video demonstation please follow the link. http://www.youtube.com/watch?v=Ryqu5uq49HI
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| Lytag® LWA used in Belvedere EFW plant
| 5 October 2009
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The Riverside Resource Recovery energy-from-waste Facility in Belvedere, London is currently under construction by Costain. Supplied ready mixed, concrete containing Lytag® LWA was supplied to reduce the deadweight on the office floor slabs, allowing a required increase in the overall slab thickness. When completed the facility will be able to process 585 KT of waste per year and provide 66MW of electricity, sufficient to power around 66,000 homes making it one of the largest in the UK. Completion is expected mid 2011.
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| Lytag® Technical Manual updates
| 13 September 2009
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Lytag® Ltd has updated a number of Sections in their Technical Manual. Sections 1, 2, 4, 5 and 6 have been updated primarily to reflect changes in European and British Standards, and to update information for designers working to the new Eurocodes which are replacing such documents as BS 8110. The updated sections are avialable in the Technical Info area of the website
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| Lytag® LWA used in flood defences
| 3 September 2009
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Flood defences in the Cliffe area of Lewes are being strengthened and improved. The town lies within the floodplains of the River Ouse which makes it vulnerable to flooding. Lytag® LWA is utilised in the concrete on the project which includes the construction of several new flood protection walls. Lytag® LWA is specifically used to reduce the bearing pressure. The project is expected to be completed late 2009.
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| The Institution of Structural Engineers shortlist for the 2009 Structural Awards
| 4 August 2009
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The Institution of Structural Engineers shortlist for the 2009 Structural Awards has been announced. Three Lytag® LWA supplied projects are on this list. 201 Bishopsgate and the Broadgate Towers are entered for the Award for Commercial or Retail Structures category. Lytag® LWA was supplied for concrete. The Darwin Centre Phase Two is entered in the Award for Arts or Entertainment Structures category. Lytag® LWA was supplied for lightweight screed. The Wimbledon Centre Court Roof is entered for the Award for Sports or Leisure Structures. Lytag® LWA supplied for precast concrete and screed. Good luck with your entries!
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| The 35 storey “Broadgate Tower’ makes it one, two and three for LYTAG Ltd.
| 28 July 2009
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The Broadgate Tower is the third tallest building in the City of London standing at 178m. It joins the tallest building in the City, the ‘Tower 42’ (formerly the Nat West Building) which is followed in second place by the ‘Swiss Re’ Building (30 St Mary Axe). All three buildings contain Lytag® LWA concrete in their structures. Currently the tallest building in London is the ‘One Canada Square’ building standing at 235m high. Here too Lytag® LWA concrete was employed in the structure. For more information read the full Project Profile.
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| Ross Swing Bridge Penzance
| 16 July 2009
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The Ross Swing Bridge in Penzance, which allows access to and from the dry dock, has had the existing timber deck replaced with lightweight precast concrete panels using Lytag® lightweight aggregate. Using lightweight concrete as opposed to timber will require less maintenance and reduce lifecycle costs. For more information read the full Project Profile.
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| Lytag LWA used for undersea pipeline supports
| 7 July 2009
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A new underwater gas pipeline from Spain to Algeria required bridging supports. Lytag® lightweight course and fine aggregates were selected to manufacture 40N/mm2 precast concrete cradles/supports which have now been placed in this aggressive marine environment. The units were produced in Dundee and transported by road to Spain. The concrete supports were then taken offshore by an installation vessel and lowered to the seabed where they now rest at 1945m below see level. For more information read the full Project Profile
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