Black Rock Deep Wet Well Clean

We recently completed a full deep clean of the Black Rock waste pumping station for our customer Southern Water.

This annual clean is part of our wet well programme for Southern Water.

Black Rock, near Brighton, is designed to take storm water out of the sewer network during heavy rain. There is a 40 metre shaft connected to a large storage tank that runs under the beach. The tank holds 150 million litres and is large enough to drive a double-decker bus through. The storm water is stored until the sewer levels reduce, protecting the city from flooding and preventing beach pollution.

Due to depth of the shaft, the cleaning work requires a crane to lower in special steel solid pipes which are able to cope with the weight and strain. The crane is also used with a man riding basket to allow the confined space entry crew to enter the wet well.

The entry crew are specially trained to deal with this kind of high risk work. Black Rock has poor line-of-sight for the entry teams due to its depth and our rescue crew are constantly in position in case of an emergency situation arising.

Rain is a danger to the crew working inside the well as it can fill with water in as few as 15 minutes in a downpour. We rely on communications from the Southern Water duty manager who will alert us to any rain in the surrounding area so our team can exit the wet well.

The MTS teams were on site for ten days, with the first four days spent pumping water out of the well to lower the levels in both the well and inlet tunnel. This was followed by six days of thorough cleaning work, successfully completed without any safety issues.

We used a combination of specialist equipment to successfully complete this high risk work including; a Disab industrial vacuum unit; a deep lifting super suction tanker; a tipping tanker and a pipe lorry.  

Read more about our confined space entry cleaning services.

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  • Rapid response

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    Our waste management services are available for both individual jobs and more complex packaged solutions. We offer a one-stop shop whatever your requirements and we are continuing to expand our range of services through innovation and investment.
  • Experienced and qualified team

    All management and staff receive full training and are qualified to demanding industry standards in their specialised disciplines. MTS invests in its people and, with low staff turnover, retains a considerable depth of experience to ensure Customers receive the best service. Email our team today at salesteam@mtscleansing.co.uk
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    MTS operates an integrated management system comprising the individual accreditations for ISO 9001 (Quality), 14001 (Environment) and 18001 (Health and Safety). Certified and regularly audited for compliance by BSI Customers are assured of rigorous processes and procedures supporting front line service delivery
  • Trusted service provider

    MTS is entrusted by major water companies across Southern and South East England to work safely to the highest performance standards under stringent environmental and financial control. Rail, airport and highway agencies similarly demand safe and secure services from MTS for the maintenance of critical infrastructure with minimum risk to the travelling public

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