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A Stonbury Milestone - Our first new build reservoir

As the Reservoir Refurbishment Framework Contractor for South Staffordshire Water, we proudly acquired the opportunity to tender for the design and build of a 10Mg potable water storage point at SSW’s Outwoods site, on the outskirts of Burton on Trent The site had earlier planning permission in 2014 for a new build reservoir on the footprint of Reservoir No 1, which had passed its life and was beyond economic repair, however the demolition and construction project of this tank was postponed due to other operational priorities within the South Staffordshire network. The option of the construction of an alternative Reservoir was considered and chosen to ensure the continued supply of potable water to the local area. The tender process involved a high level of optioneering of all possible solutions, including temporary tanks, steel tanks, GRP tanks and the preferred, a hybrid solution for a reinforced concrete structure, which included pre-cast concrete columns and roof structure. This was offered as the most cost effective solution regarding whole life costs and design life, delivered to a very challenging programme. Stonbury were delighted to be awarded the contract and have subsequently completed the detailed design stage which developed the outline design, submitted at tender stage. After a very quick mobilisation on site, we have made a very impressive start to the scheme with the excavation and preparation for the floor slab completed in a matter of weeks. Our Delivery Director responsible for South Staffordshire Water, Jonathan Perryman, comments “to meet such a challenging return to service date of the beginning of July 2017, it was critical to build on the already strong relationship held between Stonbury and South Staffordshire Water. It is wonderful to see the Outwoods delivery team growing from strength to strength on what seems a daily basis and all with the same common goal at the heart of the team. This will enable, I have no doubt, the successful delivery of South Staffordshire’s ultimate business needs of supplying continued wholesome drinking water to their clients – the public.” Due to the residential nature of the site location, South Staffordshire Water have undertaken letter drops and meetings with local businesses and schools to keep them informed. The project delivery team have also set up a Community Portal system, this allows members of the public to follow the scheme and to communicate directly with the delivery team, asking any questions they may have. The Community Portal address is for those that are interested in following this exciting and challenging project. Key Facts 10MG Storage Requirement Return to Service date of cell is early July 2017 and including all site works and overall programme of 28 weeks Over 350 tonnes of reinforcement in construction Over 2000 tonnes of concrete in construction Over 15000 tonnes of spoil removal in construction, 100% of which will remain on site and reinstated over the new reservoir once completed and set to grass

Stonbury rise to the challenge

Over the years almost every one our clients at one time or another have had issues with their assets that require urgent assistance at extremely short notice. Recently we were asked by one of our clients for help to work within a reservoir that had not been drained for many years due to supply issues that arise when the tank is out of service An internal inspection had revealed the existing joint material was breaking down and as such the asset was not able to be immediately returned to service. Plans were put in place on a Thursday to mobilise 9no men to work both Saturday and Sunday to prepare and lay approaching 500m of overbanding material. Despite initial problems on the Saturday morning with plant deliveries, we were able to fulfil our obligation and complete the work as required. Heating was also installed within the tank to strictly control the temperature within the structure to ensure that the shortest possible timescale was required before the tank could be returned to service to minimise risk to the water supply to the surrounding area. This included overnight security to ensure that the tank remained secure and the equipment was not tampered with which would potentially affect the cure of the materials. Emergencies such as this are a constant reminder that the dedication and hard work of all our staff ensures our clients can have the peace of mind that when help is needed, it is always available no matter what the circumstances.

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