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Case Studies
 
The Project
Southern Water is currently building a new water works in East Hoathly, East Sussex. Due to new regulations driven by the Environment Agency and drinking Water Inspectorate requirements driven by European Law, Southern Water is required to improve bathing water as well as tap water supplies. 4Delivery (4D), the company chosen to carry out the project management, design and delivery, is currently working at various sites on behalf of Southern Water to secure a high level of service quality.
The Problem
A new plant was needed in the area to cope with the sewage produced by the village of East Hoathly. Southern Water, who looks after the wastewater treatment across Kent, East and West Sussex, Hampshire and the Isle of Wight, has chosen Conical tanks to cope with the large and varying sewage flow. WPL has been chosen as framework supplier for Southern Water for the second five year period running within the Active Management Programme (AMP) as it complies with the general set needs and criteria.
The Solution
WPL's Conical range are high quality sedimentation tanks, offering treatment over a large surface area. They have a wide variety of applications where settlement or storage is required. Manufactured in Glass Reinforced Plastic (GRP), the units are custom made to satisfy the required treatment capabilities. The main benefits of Conical tanks is that they are resistant to almost all chemicals, they can be installed either below or above ground and have scope for customization.
The Conical Humus tanks have been installed in July and each installation required three days of work. Two PST (Package Sewage Treatment) Conical tanks have been installed at an earlier stage. Martin Wolf, 4D Site Manager commented “The tanks were easy to install after delivery. We craned them in, then levelled them and the coming month we will start commissioning. It is a good piece of kit and the service guys did a really good job, assisting us with all work required. The shiny surface of the Conical tank helps to easily determine leaks before the installation, and the material also assures us that no leakage will occur at a later stage.” The commissioning process will put the installed plant, which complies with Southern Water standards, through a range of test runs. Derek Brockwill, Asset Integration Manager, explains “After the testing is finalised, we will leave the plant running for 28 days and constantly screen the outcome. Afterwards 4D hands the plant to Southern Water and provides a 365 day warranty on it, which shows that we are confident about our work and the products we use.”
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