Case Studies

Fluoride Dosing

Sheers recently completed another successful Fluoride installation.  Sheers are specialists in the design, build, installation and commissioning of hexafluorosilicic acid (H2SiF6) dosing and control systems, and have installations with numerous UK water utilities.  Fluoride is added to the water supply in many parts of the UK, to improve dental health.

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SHEERS SBB – Portable Chemical Dosing System

Sheers identified that there was a requirement of our clients in the Water Utility, Industrial and Energy Sectors for a high quality PORTABLE chemical dosing system. Our engineers were tasked with development of a product that was safe, suitable for use with a wide range of water treatment chemicals, inherently

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Polymer - Poly-electrolyte dosing pumps - waste water treatment - Sheers Limited

Polyelectrolyte (Polymer) Dosing

Waste Water Treatment Plant Sheers’ Client owned a Polyelectrolyte (Polymer) Dosing system which required re-design to allow safe access and maintenance. The plant supplied controlled dosing of polymer to four belt thickener units at a waste water treatment site.   Two issues were identified by the client as requiring correction. Access

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Sewerage Treatment Works

Mechanical Screening A Sewage Treatment Works had 20 year old screens which were providing poor screening of the incoming works flow causing major problems with the works machinery and allowing carry over of rags to the final effluent.  As part of a continuing programme of improvements and development the client

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Chlorine Gas Drumstore - Large Drums - 1000 kg

Chlorination Upgrade

Sheers were contracted to upgrade the disinfection facility at a water treatment works operated by Essex & Suffolk Water. The scope of the works included a full upgrade of the two chlorine drum storage rooms and the chlorinator room as well as modifications to the site motive water system. The

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Water Disinfection Systems

Nalco Limited Sheers were appointed by Nalco Limited to install chlorine dioxide generators and control systems at a site in the UK. The systems installed were to assist in compliance with HSE guidance booklet HS(G)70: The control of legionellosis including legionnaires’ disease and the associated document, The Approved Code of Practice

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UV Disinfection - Ultra Violet Disinfection - Crypto - Cryptosporidium

UV Disinfection

NWL Fowberry WTW The scope of works included the design and installation of a UV disinfection system suitable for potable water, compatible with the raw water parameters, sized to treat the full works design flows of 3.2Ml/d. The physical dimensions of the specified unit needed to allow for the installation

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Chlorine Gas Drugstore and Crane Hoist - Primary Chlorination - disinfection Drinking Water Treatment Works

Chlorine Gas Dosing

Northumbrian Water Chlorine Gas is used as the primary means of disinfection of drinking (potable) water at many Water Treatment Works in the UK. In 2009, Sheers were appointed as Designer and Principal Contractor (under CDM Regulations) to design, supply and install a new chlorine gas system for a large

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