ACP Concrete Ltd

ACP (Concrete) Ltd manufactures precast concrete walling systems, beam & block flooring and precast stairs & lintels.  Part of the Thomas Armstrong Group of Companies based in north west Cumbria, which has been in business for over 180 years, ACP has been producing concrete products since the early 1980’s.  Using ISO 9001 quality assured concrete from the company’s own batching plant all products are designed to Eurocode 2 and CE Marked.

High strength and quick to install prestressed concrete wall panels have proven to be suitable for a wide range of construction applications. Available from 95mm thick, suitable for warehouse cladding, retail units and security walls, through 145mm and 180mm thick for bulk storage walls, retaining walls, push walls, silage clamps and tanks right up to 280mm thick for the highest load situations. Precast concrete panels are made in standard widths and in variable lengths to suit requirements. Wall panels are available as supply only or as a full design, supply and install service. Structural calculations can be provided by the company’s own engineer.

  1. BLUEMAC & ACP Concrete - A Successful Relationship
    7 September 2017

    Following on from the construction of the new MRF in 2014, and continuing a successful relationship, ACP Concrete have recently delivered pre-stressed concrete panels to BlueMAC (Manufacturing) Ltd as a component part of the new recycling plant that they are supplying & installing for R Collard Ltd at Eversley, Hampshire. The 180mm thick panels are made to measure to slot between the steel posts and ACP cast notches at the corners to enable the panels to fit neatly over the base plates.

    BlueMAC (Manufacturing) Ltd praised the quality of the ACP panels along with the service and delivery.

    BLUEMAC & ACP Concrete - A Successful Relationship
  2. ACP Arrow Panels Praised
    7 September 2017

    ACP’s freestanding Arrow Panels have been praised for their quality and speed of installation at Biffa’s new waste transfer facility at Weston Super Mare.  Following an initial enquiry in early December and despite the interruption caused by Christmas shutdown all the panels were manufactured and delivered to site by the second week of February.

    Last year North Somerset Council awarded Biffa Group the contract to manage its local household waste recycling centres (HWRC’s). North Somerset is one of England’s top recycling local authorities with a recycling rate of 60.1% in 2014-15.  Biffa are committed to maintaining and improving this still further, expanding the range of materials that can be accepted, with the aim of achieving an average waste diversion of 53% over the life of the contract, up from the current 42%. 

    As a result Biffa required a new recycling depot at Weston-super-Mare for dry recyclables and having previously worked with Livesey Contracting & Maintenance (LCM) looked to them to convert an existing building to provide the facility.

    With Christmas fast approaching LCM made an initial enquiry to ACP on 5th December for 123lin m of freestanding walling with 2 hour fire rating to provide 8 storage bays of varying sizes. With a handover date of 1st March time was of the essence and after a reviewing other products available LCM selected ACP based on the quality of the product, ease of installation and programme. The order for 128 nos 4m high Arrow Panels and 22 nos 3.6m high L-Arrows was placed on 22nd December, after ACP had closed for the Christmas break! However it was full steam ahead on the return to work on 9th January and 8 loads were delivered in the 3rd week of January with completion of deliveries by 9th February. The panels were quickly installed and the facility was handed over to Biffa on time and the project was praised for the early completion of the walls.  Rick Gray, Director of LCM said “We were very impressed with the level of service provided by ACP and would endorse their product for future projects. This is due to the quality of the product, speed of install and fast turnaround from order to delivery.”

    ACP’s Arrow Panels are freestanding, interlocking units designed to provide instant walls for dividing new or existing storage facilities. Available in 2.4m, 3m, 3.6m and 4m high they are easily moved using a forklift or telehandler and can be bolted down and the joints sealed if required.

    ACP Arrow Panels Praised
  3. Precast Firewalls and Fuel Store Walls Installed at Snetterton Biomass Power Plant
    5 December 2016

    Working for Burmeister Wain Scandinavian Contractor (BWSC) ACP Concrete recently completed installation of the precast walls at Snetterton Biomass Energy Plant.  Since starting on site in September 2015 ACP have manufactured and installed 2700m² of 180mm thick concrete firewall panels to the Boiler House, Turbine Hall and Fuel Store. The 44.2KW biomass energy plant will be fuelled annually by 250,000 tonnes of baled straw supplied by local farmers, as well as woodchips.  The main part of the power plant is a boiler from BWE which is said to be the world’s largest water-cooled vibrating grate straw-fired boiler.  The boiler installation date was critical and the project was hampered by high winds which led to a delay erecting the steel frame. However  the challenge  brought out the best in the production and fitting teams who managed to complete each phase on time working at heights of 24m and coordinating installation of the prestressed concrete cladding with the steel frame erection team. Flexibility was key to success.

    The final phase was the slag store installed in September this year. The innovative construction was designed by Ramboll and manufactured and installed by ACP. The giant 3D concrete jigsaw had no supporting steel frame and required a complex system of props during construction. It demanded precision manufacture to ensure that the precast concrete pieces fitted together and the whole structure was brought together with the installation of the roof and the screed topping. The installation took 20 days from start to finish to the satisfaction of all involved.  The first steam blowing was successfully conducted recently and it is anticipated that the power plant will be operational in 2017.

    Precast Firewalls and Fuel Store Walls Installed at Snetterton Biomass Power Plant
    9 February 2016

    ACP Concrete Ltd supplied and installed the precast concrete panels that formed the cooling labyrinth at the £30 million Big Data Institute, which is phase 2 of the Li Ka Shing Centre for Health Information and Discovery at the University of Oxford.  Funded by the UK Government and a £20 million donation from the Li Ka Shing Foundation, the building has been nominated for the BE&E awards rewarding innovation and achievement in energy efficiency in buildings across the UK.

    The Big Data Institute, opening in November 2016, will be an international centre of excellence for the analysis of very large and complex biomedical data sets. Here data will be stored, analysed and processed with the aim of providing new insights into illnesses and treatments worldwide.

    Central to the concept of the building designed by architects, Make, is the use of passive design, which is based on achieving energy savings without the use of a power plant or mechanical equipment, and using natural ventilation principles wherever possible. As part of this strategy a subterranean labyrinth is located beneath the lower ground floor which draws in air through the light-well and uses the thermal mass of the ground to cool it before circulating it to the main roof top plant room. This air is then distributed via a floor plenum as part of an assisted natural ventilation strategy and extracted via the atrium using the stack effect.

    Mace, the main contractors for the project, employed MH Getjar Ltd, specialist reinforced concrete frame and groundwork specialists to supply and install the basement including the concrete cooling labyrinth. Getjar Ltd in turn chose ACP (Concrete) Ltd to design a precast solution for the internal baffle walls and roof within the insitu basement. The project posed challenges on a number of fronts:

    - The air needs to move slowly around the labyrinth to maximise the cooling effect. To aid this the normal smooth surface of the panels was textured using a mould liner on one side and a brushed finish on the other to increase the surface area.

    - Adding to the surface area in the labyrinth, the roof was constructed using interlocking prestressed concrete panel units which were mastic sealed as work progressed to ensure that no rainwater could percolate into finished areas.

    - A tight programme required a vertical build sequence with resulting issues for safety of the workforce building below. A method was devised to ensure that once the roof panels had been fitted that there was no need for the installation team to go back to these areas, thus removing the risks of working in confined spaces.

    - The close proximity of the baffle walls to one another meant that the usual propping during installation was not possible so ACP’s Jeremy Nash developed a system whereby the precast units were positioned over and fixed to cast-in holding down bolts, using a wall shoe arrangement, before the crane was released, thus avoiding the need for props and temporary works whilst improving safety. This required high accuracy during manufacture and precision on site but proved to be a successful innovation.

    - The site was congested so deliveries were required to be ‘just in time’ and all vehicles had to meet both CLOCS and FORS requirements.

    Despite these challenges the construction of the labyrinth was completed on programme and on budget to the satisfaction of all involved. The Institute is due to open in November later this year.


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