In-line Thermal Disinfection made easy
Via the incoming water supply and by retrograde contamination, Psuedomonas, Legionellae and other pathogens can colonise the last two metres of domestic water supply DWS pipework, including the outlet fitting (any TMV, tap or shower). This problem is specifically described in the Addendum to Health Technical Memorandum 04-01.
Our In-Line Thermal Disinfection Unit (ILTDU) with Horne EngineeringAi??facilitates periodic high temperature thermal disinfection using the readily available hot water supply. Now the thermal regime can be extended to the point of water discharge: therefore, the wetted surfaces of all downstream components, including the mixing valve and the outlet fitting, can be raised to system temperature.
For further information or to arrange a demonstration please do not hesitate in contacting us via 0121 502 2517
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As manufacturers of trench, perimeter and radiant heating systems, specialising in the design and development of HVAC products for over 20 years, Fraser Engineering have built an enviable reputation for precision, quality products.
Based in Ashford in Kent, all Fraser Engineerings products are manufactured by themselves, using materials and components sourced only from the U.K. or the E.U.
Fraser Engineering offer complete heating systems / solutions, such as trench, perimeter, radiant panel and fan coil casings etc. The opportunity to deal directly with the manufacturer has obvious cost benefits as many of our clients have discovered.
Fraser Engineering are regularly specified for major corporate and governmental buildings, as well as hospital / healthcare projects. Some of these projects include:
- E-INNOVATION, WOLVERHAMPTON UNIVERSITY……….200M SUPPLY & INSTALL TRENCH (NEW BUILD) – West Midlands
- D.V.L.A. BUILDING C, SWANSEA……..600M SUPPLY PERIMETER (REFURB) – South Wales
- NATIONAL ASSEMBLY FOR WALES……..216M SUPPLY HEAVY DUTY STAINLESS GRILLES (NEW BUILD) – South Wales
- NATIONAL ASSEMBLY FOR WALES………..90M SUPPLY PAINTED GRILLES (NEW BUILD) – South Wales
- ONE CRANMORE BOULEVARD, BIRMINGHAM………………..290M SUPPLY & INSTALL TRENCH (NEW BUILD) – West Midlands
- DERRIFORD HOSPITAL, PLYMOUTH………………..250M SUPPLY & INSTALL PERIMETER (NEW BUILD) – South West
- ASHLEY BUILDING, UNIVERSITY OF BIRMINGHAM………………300M SUPPLY & INSTALL PERIMETER (REFURB) – West Midlands
- GISBERT KAPP BUILDING, UNIVERSITY OF BIRMINGHAM…………….570M SUPPLY & INSTALL PERIMETER (REFURB) – West Midlands
- GISBERT KAPP BUILDING, UNIVERSITY OF BIRMINGHAM…………..130 SQ M SUPPLY AND INSTALL RADIANT PANELS (REFURB) – West Midlands
- UNIVERSITY OF PLYMOUTH……………SUPPLY 510M TRENCH (NEW BUILD) – South West
- DE MONTFORT UNIVERSITY……………SUPPLY 150M SPECIAL UNDER SEAT HEATING (NEW BUILD) – East Midlands
- PRINCESS YACHTS…………..SUPPLY 42 SQ M RADIANT PANELS (NEW BUILD) – South West
- LEICESTER UNIVERSITY LIBRARY………..SUPPLY 142M TRENCH (NEW BUILD) – East Midlands
- LEICESTER UNIVERSITY LIBRARY……….SUPPLY 165M PERIMETER (NEW BUILD) – East Midlands
- DUDLEY PCT…………..SUPPLY & INSTALL 55M FACETTED TRENCH (REFURB) – West Midlands
- PENRYN COLLEGE, CORNWALL……..SUPPLY 80 SQ M RADIANT PANELS (NEW BUILD) – South West
- DUDLEY PRIMARY CARE TRUST…….SUPPLY & INSTALL 416 M PERIMETER (REFURB) – West Midlands
- ESSEX & SUFFOLK WATER HQ…….SUPPLY & INSTALL 166M FAN ASSISTED TRENCH (NEW BUILD) – South East
- NEWCASTLE-UNDER-LYME COLLEGE…….SUPPLY 491 SQ M RADIANT PANELS (NEW BUILD) – West Midlands
- MALVERN COMMUNITY HOSPITAL…….SUPPLY 263 SQ M RADIANT PANELS (NEW BUILD) – West Midlands
- STAFFORD COUNCIL OFFICES…….SUPPLY 1,336 M TRENCH (NEW BUILD) – West Midlands
- NATIONAL TRUST CALKE ABBEY…….SUPPLY 60 M TRENCH (REFURB) – West Midlands
- SEVERN TRENT WATER, SHELTON…….SUPPLY & INSTALL 250 M TRENCH (NEW BUILD) – West Midlands
- TIVERTON HIGH SCHOOL…….SUPPLY 163 SQ M RADIANT PANELS (NEW BUILD) – South West
- NATIONAL FOOTBALL CENTRE…….SUPPLY 450M TRENCH (NEW BUILD) – East Midlands
- PROJECT VELOCITY BROOKLANDS…….SUPPLY 62M PASSIVE / FAN ASSISTED TRENCH (NEW BUILD) – West Midlands
We offer our assistance at each stage of a project, starting with architects / design consultants offering our selection assistance, attending site surveys and issuing technical drawings where necessary.
Fraser Engineering also offer a full installation service by their own trained specialist installers if required.
If you are interested in, or would benefit from a visit please do not hesitate to contact us, where we look forward to continue offering our assistance and building service solutions.
Our working relationship with Horne Engineering and their wonderful range of products has evolved year on year, whilst keeping up to date with current legislations, customers requirements and new products. Horne Engineering themselves have been at the forefront of the design, manufacture and distribution of thermostatic valves since 1909. They have always supplied direct to end users, the people utilising their products, and this close relationship allows us / them to understand our markets and tailor our expertise to each individual requirement. Quality, innovation, reliability and efficiency are the core values behind all of their products.
With continued changes in guidelines and legislations, Horne Engineering continue to look forward and push the boundaries of their technology. They design all of their products to enable easy installation and maintenance so that they can operate over a maximised lifespan. Many essential components, such as check valves and isolating valves, are integrated with the thermostatic mixing valve to reduce installation times and costs. These additional components also aid in simplyfying maintenance procedures thus making their products highly cost-effective and dependable.
Horne Engineering is an independent, privately-owned company that was started in Glasgow back in 1909. Some of their early products included thermostatic steam traps, which were subsequently developed into thermostatic temperature control valves. These rapidly gained a reputation for accurate and reliable performance, something they continue to maintain. All of their designs are based on robust and sound engineering principles, developed over decades of manufacturing products to meet our customersai??i?? needs.
Their temperature control valves were first developed for domestic hot water storage heaters, which were commonly used in kitchens and laundries, as well as baths and showers, and so required the hot water to be stored at 60C. This creates a risk of scalding, so they began developing blending valves to supply water at safe, comfortable temperatures for bathing. In the early 1920s, they developed the first hot water blender and since then we have continued to develop innovative and specific thermostatic mixing valves for institutional and commercial use.
In recent years, they have added an extensive range of surface mounted shower panels to their portfolio, for use in healthcare, education, leisure and secure environments. Horne Engineering continue to maintain their reputation for high-quality, leading edge products that are safe, reliable, easy to use, efficient and ecologically friendly.
Their most recent development is the award-winning Optitherm thermostatic tap, which is a TMV, hot tap and cold tap in one complete unit. It has been developed specifically for clincal and surgical handwashing in healthcare facilities.
We have developed relationships with a number of hospital trusts, end users, design consultants and contractors based on not only the true engineering value of Horne Engineering’s product range, but also the reliability of their products and service.
Did you know that we offer free of charge certified maintenance training sessions? The session cover’s commissioning, testing, maintenance and full valve refurbishment of all Horne point of use products, i.e. Thermostatic Mixing Valves, Thermostatic Showers and Taps. We can also assist from a design point of view with Horne Engineering’s Valve Selector for Thermostatic Mixing Valves. This is to ensure the correct thermostatic mixing valve is sized and selected on each individual project’s design parameters, including hot & cold water pressures, hot and cold water temperatures, flow rates and pressure drops.
To aid with our technical sales, customers approval and samples of our product being viewed we can now deliver Horne Engineering’s range of surface mounted shower panels, the Optitherm thermostatic tap and thermostatic mixing valves straight to your office door! To help specifiers and end-user clients to visualise a Horne installation, we have a new display van – fully fitted out with IPS panelling and Horne products as they might appear in a real installation. Seen in context, shower panels look smaller and sleeker and their ease of installation and maintenance is demonstrable. Their award-winning Optitherm thermostatic tap – mounted over a 500mm clinical basin – is easy to operate (ergonomic motion), clean and maintain and without the need to remove any wall panelling. Its installation and commissioning can also be phased: install spigot, flush water supplies, install and commission the tap body at final fix stage.
The van provides an excellent opportunity to see mock-up installations conveniently at your office, or on site. It is also large enough to accommodate small groups – even doubling as a project team meeting venue.
If you are interested in, or would benefit from a visit with our display van, the certified maintenance training sessions and / or require any assistance with the selection and sizing of thermostatic mixing valves please do not hesitate to contact us, where we look forward to continue offering our assistance and building service solutions.
Pipework expansion may be a difficult thing to understand.
For over 28 years Dave Tickle has been recognised as one of the Building Services Industry Expansion experts and we act as Technical Sales Representatives for Pipe Solutions Limited.
A bit of history…
Whilst working as a Building Services Project Manager, involved heavily in steam and condense projects, Dave met a gentleman called Geoffrey Peter Day. Peter was, at the time, the Industry expert for pipework expansion advice and Dave worked closely with him for many years.
It was through this involvement that, when Peter was looking to retire and find a replacement he approached Dave to suggest that he take over in the East/West Midlands, South West and South Wales Areas.
Dave’s many years experience working with Geoffrey Peter Day and for Haden Young, specialising in Steam, Condense and Heating Pipework systems, project engineering and management, gave him the perfect grounding for being able to take on this mantle. He was fully proficient in assessing the needs of each Project and able to give reliable, financially viable, technically sound advice.
So from 1985 up to present day Clients contact Dave and Hurlstones at many stages of a project. We sometimes get calls from Consultants, very early in the design process, who require some assistance. Other times we will get a call from Contractors and installers who have a fully installed system and they need some adviceai??i??quickly!
Regardless of the requirement or timing we are able to visit Customers at their offices, on site or we can work remotely using emailed or posted drawings, which we mark up and return.
If there are components that need to be installed, to facilitate the correct movement of the Pipework as it expands and contracts, we will arrange for a quotation to be sent from Pipe Solutions Limited. This includes options for slide guides, brackets, anchors and many other items which are sometimes required.
Most of the time our expertise allows us to suggest ‘natural flexibility’ be utilised. This process involves installation of correctly positioned ‘loops’ or ‘cold draw’.
One of the reasons we are so popular is due to how we often receive drawings full of expansion provision components…and, using our knowledge of natural flexibility, we remove most (if not all) of them!
We then make ourselves available for an on site ‘sign off’ inspection once the Pipework and components are installed.
This knowledge and experience is part of our heritage. In fact it is part of our business philosophy to make ourselves available to assist clients in any way we can.
We will shortly be employing Daves protege, Lee Mason to take over in the East/West Mildands and South Wales Areas (Dave will continue to look after the South West Area).
In a very interesting twist of fate, Lee is a similar in age to Dave, when he was approached by Peter Day. He has similar experience in Project management, engineering, steam, condense and heating pipework expansion.
We also think they look a bit similar too!..but we will let our Customers decide that!!
Please do let us know if we can help in anyway with either Pipework Expansion problems or by offering many of the other Solutions we have in our Product Range. We look forward to being of assistance.
The preferred method (HTM 04-01 refers) of Legionella control is by utilising a temperature regime: keep the hot supply above 60Ai??C to kill bacteria and maintain the cold water supply below 20Ai??C (Legionella is dormant at these temperatures) and ensure regular turnover of water to avoid stagnation.
Regular water system flushing, which reduces biofilm, should be employed to maintain water quality and reduce the opportunity for bacterial colonisation downstream. Disinfection of the terminal fittings also aids this process and this is easily achieved using the Optitherm’s Thermal Disinfection Adaptor.
The Thermal Disinfection Adaptor (Part No. 5963) allows the internal surfaces and mechanisms of the Optitherm thermostatic tap to be fully disinfected by hot water at its supply temperature, usually around 60Ai??C. The adaptor reroutes the hot water supply to the cold port of the mixing valve, through the valve mechanism, which reacts by further opening the cold port, and is then discharged at the tap outlet. The heat from the water rapidly spreads, by conduction, throughout the tap’s entire metal body pervading all areas and killing any bacteria present. L8 – Control of Legionella Approved Code of Practice recommends a running time of 5 minutes for complete disinfection.
This disinfection process is illustrated in a narrated animation.