What is an SBR wastewater treatment system?

Posted by Callum Vallance-Poole, on October 26, 2020.

At GRAF, all our wastewater treatment products use SBR technology, which allows the water to be treated in batches at various points. Below we explain more about what an SBR wastewater treatment system is and how it works. What is an SBR wastewater treatment system? Sequencing batch reactors (SBR) or sequential batch reactors is a […]

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Trumpington Park and Ride, Cambridge

Posted by Callum Vallance-Poole, on October 21, 2020.

Graf UK stormwater system trumps the schedule at Trumpington  Attenuation tank enables county council to enlarge park and ride site by 10%. A “simple, green and quick to install” stormwater management system by European drainage specialists Graf UK has enabled Cambridge County Council to meet increased demand for its park and ride sites. Nearly, 29,000 […]

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How do you size a rainwater harvesting tank

Posted by Callum Vallance-Poole, on October 19, 2020.

If you are considering buying a rainwater harvesting tank you will have to figure out what size you will need. To ensure you make the right purchase we explain how to size a rainwater harvesting tank below. General sizing In general terms, the following sizes are usually a good guide for use in domestic environments: […]

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What’s a combined rainwater harvesting and stormwater tank?

Posted by Callum Vallance-Poole, on October 12, 2020.

Living in the UK means dealing with a fair amount of rain each year. Depending on where you live it can also create flooding issues, but with the right equipment this can be prevented and the rain used to your benefit around the home. In this article we explain how a combined rainwater harvesting and […]

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What’s a potable water tank?

Posted by Callum Vallance-Poole, on October 5, 2020.

If your home water is not supplied through the mains system you are likely to have access to local natural resources. This enables you to use spring water shafts to capture natural water that can be redirected into storage tanks. These are known as potable tanks and in this article we explain more about what […]

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What’s a firefighting water tank?

Posted by Callum Vallance-Poole, on September 30, 2020.

At GRAF we provide a comprehensive selection of firefighting water tanks that are available in range of sizes to suit almost any home. They are a great investment that increase protection of your property all year round. But if you are not sure what a firefighting tank is and how it can help you, read […]

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Adapting to the ‘new normal’ – Banbury business goes online and launches awareness for #H2OSAFE

Posted by Callum Vallance-Poole, on September 16, 2020.

This has been a crazy summer – of that there is no doubt! During the Covid pandemic, many businesses have struggled to keep the doors open, whilst others have adapted and are thriving by thinking outside of the box. Businesses who have previously relied on ‘in person’ contact have been relocating their face-to-face model to […]

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What’s new this month actually dates back to the Neolithic Age

Posted by Callum Vallance-Poole, on September 10, 2020.

It’s a shame that this subject fits most appropriately in our ‘what’s new’ article this month. However, the fact that it is deserving of an article outweighs the disappointment of it being ‘new’ rather than a regular feature in Water Matters. The subject is… rainwater harvesting. The reason it’s appropriate for our ‘what’s new’ article, […]

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What are the different types of flood defence systems in the UK?

Posted by Callum Vallance-Poole, on September 7, 2020.

Millions of homes in the UK face the threat of flooding every year, with much depending on seasonal weather conditions and water levels during that period. If you live close by to a river, or on the coastline, it makes sense to invest in fortifying your home wherever possible to minimise any issues created by […]

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Is rainwater safe to drink in the UK?

Posted by Callum Vallance-Poole, on August 31, 2020.

Water regularly falls from the heavens and so the idea of going out to buy it in bottles may seem pretty silly – water is water after all. However, while it all looks the same to the naked eye, there are reasons why some forms of water are better for us than others. If you […]

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Wastewater treatment systems must be serviced & maintained, but by who?

Posted by Callum Vallance-Poole, on August 27, 2020.

We’ve been providing 5-year maintenance contracts for rainwater harvesting systems for several years now. It’s a growing part of our business which now keeps many of our installers busy every month of the year. We’re working all over the UK providing annual and bi-annual visits to homeowners and housing associations to make sure their rainwater […]

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Kobe Bryant’s Mamba Mentality

Posted by Callum Vallance-Poole, on August 24, 2020.

Yesterday would have marked Kobe Bryant’s 42nd Birthday. He was one of basketball’s greatest ever athletes who we tragically lost earlier this year. During his illustrious career, players commonly referred to him as ‘black mamba’, which is a reference to Kill Bill and black mambas were the deadly assassins in the film. Kobe Bryant was renowned for his hard […]

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How can floods affect groundwater levels?

Posted by Callum Vallance-Poole, on August 24, 2020.

There are many places in the UK at high risk of flooding, with the Environment Agency stating that almost 5.9 million properties in England and Wales (one in six homes) constantly face the threat of rising water.  This includes places such as Merseyside, Yorkshire, Cumbria, Somerset, Kent and Cornwall, with a combination of coastlines, floodplains […]

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How do you size a sewage treatment plant?

Posted by Callum Vallance-Poole, on August 17, 2020.

If you are considering installing an off-mains drainage system such as a sewage treatment plant, there are a number of things to take into consideration. Before any building work can begin you need to assess the size required to suit the requirements of the property. Below we explain in more detail how you size a […]

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Simple methods of wastewater treatment

Posted by Callum Vallance-Poole, on August 10, 2020.

Upon first sight the difference between a cesspool and a septic tank may not be easy to pinpoint. However, there are some crucial differences between the two systems and by understanding how each one works, you can make the right choice for your property and land.  Cesspools and septic tanks are two simple methods of […]

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A Job Done To The Maxx

Posted by Callum Vallance-Poole, on August 6, 2020.

We always try to avoid starting an attenuation tank installation on a Friday, especially when we know it’s going to take more than 1 day to finish. However, sometimes it’s unavoidable. Especially when the job is supposed to start on the Monday prior but when the excavation is being carried out and the contractor finds […]

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How Do I Install A Rainwater Harvesting System

Posted by Callum Vallance-Poole, on August 3, 2020.

If you are considering buying a rainwater harvesting system, below we explain what they are, how they work and how to install one in your property.  What is a rainwater harvesting system? Rainwater harvesting systems come in a variety of shapes and sizes but all serve the same purpose. Regardless of their size, it is […]

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How To Save Water Whilst You’re Washing Your Hands 54 Times a Day

Posted by Callum Vallance-Poole, on July 30, 2020.

Are you struggling to wash your hands without singing “Happy Birthday” in your head or counting to 20 seconds?! How much more vigorously and consciously are you washing your hands these days? I’ve never thought about it quite as much as I do now. I saw a video on LinkedIn which was great for showing […]

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Fighting Fires

Posted by Callum Vallance-Poole, on July 24, 2020.

If you follow any of our Company pages on social media (LinkedIn, Facebook, Twitter or Instagram), then you may have already seen these photos of the 52,000 litre Carat XXL tank that we recently supplied to a project in Loughton, Essex. Here’s a little more information about the project in case we can help you […]

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More than just an underground tank

Posted by Callum Vallance-Poole, on July 23, 2020.

Approximately 6 weeks ago we unveiled a new room within our head office at Banbury. As a few of our closest customers have now seen it first-hand, I’m excited to share details of it so we can sort out a date for you to come and see it for yourself!  We’re using it mainly for […]

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What is the difference between a direct and an indirect rainwater harvesting system?

Posted by Callum Vallance-Poole, on July 20, 2020.

When it comes to using rainwater for domestic purposes, there are two types of systems that you will have to consider. A direct feed and an indirect feed. Both supply a property with precious rainwater and both include a mains water back up, however they feed the appliances in two completely different ways. A direct […]

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How To Install a Stormwater Attenuation Tank

Posted by Callum Vallance-Poole, on July 7, 2020.

A stormwater attenuation tank is designed to collect and store surface water run-off as a result of a storm event. The stormwater is then released from the storage tank at a controlled rate, usually by a flow control, which means that the surface water run-off will be slowly released into a local water course like […]

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What is the difference between a cesspool, a septic tank and a sewage treatment plant?

Posted by Callum Vallance-Poole, on June 30, 2020.

When it comes to building a property one thing you will need to consider is, where is my waste going to go? In most cases you can just simply connect to the mains sewer network however this may be too expensive to do, or the sewer is too far away for you to connect to. […]

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Water & Oranges

Posted by Callum Vallance-Poole, on June 29, 2020.

Are you excited about the future? Or anxious and apprehensive?  Are you worried about the economy? Or do you feel confident in your position & your ability to succeed? As we approach the half-way point of 2020, I’m encouraging my team to think about their current position, and reflect on it, as if they would […]

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What are the benefits of rainwater harvesting?

Posted by Callum Vallance-Poole, on June 22, 2020.

Rainwater harvesting is a simple idea. It’s not complicated. For many, many years people all over the world have been collecting rainwater and putting it to good use. The key is to do it well and plan what kind of system you want and what you want to use the water for, before installing it. […]

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What is a stormwater attenuation tank?

Posted by Callum Vallance-Poole, on June 15, 2020.

With more and more developments in the UK being built on green fields it is important to think about how to deal with the increase in surface water run-off and minimise flood risk, as rainwater will not be able to drain into the ground as the land will be covered with impermeable surfaces like, buildings, […]

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What is a sewage treatment plant?

Posted by Callum Vallance-Poole, on June 8, 2020.

The definition of sewage (wastewater) is both grey water which is water used in private houses from toilets, dishwashers, sinks, baths and showers and black water which is any water from toilets. This foul water can be treated by using either biological matter to break down the waste or physical treatment using aeration to treat […]

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The One Thing

Posted by Callum Vallance-Poole, on May 26, 2020.

Have you ever tried to convince yourself that you can multitask?  Do you think you’re good at multitasking?  Do you enjoy the juggling of many balls at the same time? Or having many plates spinning all at once?  Whichever metaphor you prefer, juggling lots of balls and spinning several plates, all at the same time, […]

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Lessons from the 2020 Rich List

Posted by Callum Vallance-Poole, on May 18, 2020.

Did you read the 2020 Rich List this past Sunday? I find it a fascinating, inspirational read when they release it each year. Especially this year, as it wasn’t just about growth, after growth, after growth. Quite the opposite, due to the economic effects of Covid-19, reducing the overall wealth of the richest 1000 people […]

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underground firefighting water tanks

Firefighting tanks installed for a new hospital in Austria

Posted by Callum Vallance-Poole, on May 18, 2020.

The new state-of-the-art hospital specialises in neurological and orthopaedic rehabilitation. As many as 227 patients are looked after in single and double rooms. The extension and conversion work that was completed in September 2019 required firefighting tanks. PORR Bau GmbH, the full service general contractor who was commissioned to do the work, decided to install […]

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Thanks for ringing…

Posted by Callum Vallance-Poole, on May 14, 2020.

How often do you thank your customers for their business? How often do you thank your customers for calling you and getting in touch? How often do you thank your customers for the opportunities they bring to you? I don’t think we do it enough, but I’m sure we’re not alone in this. It’s too […]

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rainwater harvesting system

What is rainwater harvesting?

Posted by Callum Vallance-Poole, on May 13, 2020.

Rainwater harvesting, also sometimes known as rainwater recycling, is the collection of rainwater with the purpose of putting it to good use. Rainwater that falls freely from the sky can be used for many things. We don’t need to use mains water for everything! In fact, rainwater can actually be better than mains water for […]

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Engineer is overwhelmed by Graf UK system’s underload capabilities

Posted by Callum Vallance-Poole, on May 11, 2020.

A town in Cornwall is fast becoming a model of wastewater treatment best practice, thanks to a mechanical engineer who has become an ardent fan of Graf UK’s sewage treatment plants. Bryan Gynn runs Kernick Motors in the town of Launceston, on the Devon/Cornwall border, as well as Higher Kernick Farm, a large holiday cottage […]

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Can We Help?

Posted by Callum Vallance-Poole, on April 15, 2020.

Like a lot businesses at this time, we at GRAF UK want to help the national fight against the coronavirus. As a plastics manufacturer within the water management market, we have looked through our product range to see what we have that could help in any way. Following discussions with our colleagues in Germany and […]

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Why Compost?

Posted by Callum Vallance-Poole, on April 14, 2020.

With so many of us now temporarily working from home and in some cases, spending more time in our homes than we ever have before, many people have chosen to spend time working on their garden. It’s a win-win after all – you get some fresh air and time outside of your house (whilst behaving […]

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Sam Walton: Made in America

Posted by Callum Vallance-Poole, on April 6, 2020.

What a story! I never read fiction books, but at times this autobiography of Sam Walton – the founder of Wal-Mart – felt more fiction than fact. That’s simply because what Sam Walton achieved was quite unbelievable.  This table will give you an idea of why his achievements could be described as unbelievable.  Year: Year: […]

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Be careful of the stories

Posted by Callum Vallance-Poole, on March 31, 2020.

Do you love a good story? Do you tell a good story? Can you keep an audience engaged and on the edge of their seat? Can you captivate emotions and feelings as you take your listener on a journey? Can you remember a story someone told you where you hung on to every word, desperately […]

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Before and After

Posted by Callum Vallance-Poole, on March 30, 2020.

Do you like ‘before & after’ photos? You may have seen some that people have shared with you, or you may even have some of your own?  They can be of anything. Before & after… Losing weight  Decorating or renovating a home  Changing your haircut  A garden makeover Whatever the before & after photos may […]

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company wide zoom call

It’s never a lack of resources that stop you; it’s a lack of resourcefulness

Posted by Callum Vallance-Poole, on March 23, 2020.

One of our Company Values within GRAF UK is that we will always ‘Find a way’. It helps us to remember firstly, that there is always a way, and most importantly, that we should never give up. Sometimes it’s not easy and it can take a long time to find a way, but when one […]

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Urging early design involvement for long-term gains

Posted by Callum Vallance-Poole, on March 9, 2020.

David Stagg, technical product specialist for sustainable water management specialists Graf UK, is urging specifiers of wastewater treatment plants to think long term and life cycle to avoid landing clients with unplanned and unsupported servicing and maintenance. Graf UK is currently heavily involved in helping specifiers, installers and end users meet new septic tank regulations […]

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Taking the waste out of wastewater

Posted by Callum Vallance-Poole, on March 2, 2020.

With new regulations governing the use of septic tanks in force, our wastewater treatment expert David Stagg discusses potential options for compliance. Anybody building a property off the mains sewage network needs to be aware of this change – which is a bid by the Environment Agency to reduce the level of pollution from sewage […]

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The Greatest Salesman In The World

Posted by Callum Vallance-Poole, on February 24, 2020.

Here’s a question for you… “Are you in sales?” Even if not directly, i.e. your job doesn’t involve you literally selling something to someone, chances are you’re still in sales. We all are. The cash tills may not be ringing and the denomination may not be £’s, but it’s time, attention, effort, energy, commitment, those types […]

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Environmental Minister Opens New Recycling Centre

Posted by Callum Vallance-Poole, on February 19, 2020.

On Friday, our parent company Otto Graf GmbH unveiled the GRAF Competence Centre for Raw Materials in Herbolzheim in the presence of Baden-Württemberg’s Environment Minister, Franz Untersteller, and the Mayor of Herbolzheim, Thomas Gedemer, accompanied by numerous guests. The Competence Centre for Raw Materials is an essential component of our strategy for the resource-friendly production […]

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What the All Blacks Can Teach Us About the Business of Business

Posted by Callum Vallance-Poole, on February 17, 2020.

I wrote this article for our Water Matters newsletter back in November 2015 after the Rugby World Cup. It’s been helpful for me to read back over and I think it could be for you too. I hope it’s as much of a useful reminder to you as it was to me. Here it is… […]

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People want to help you

Posted by Callum Vallance-Poole, on February 11, 2020.

Back in April 2016, the lead article in our monthly Water Matters newsletter was about my friend Mitesh who I had met the previous year at a Tony Robbins Business Mastery course in London. As you will see below, the article explains what an impact meeting Mitesh had on me back in 2015. He inspired […]

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Are you trying anything new in 2020?

Posted by Callum Vallance-Poole, on February 5, 2020.

Have you considered trying something new to mark the new year and new decade? Perhaps you try something new every year? In previous years I’ve talked a good game, but not necessarily followed through with action. I’ve thought about, and even said, I’m going to do some new things and then because I haven’t booked […]

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Oak View Primary School – Firefighting Water Tank

Posted by Callum Vallance-Poole, on January 22, 2020.

The 52,000-litre Carat XXL firefighting tank range makes its mark for Kier. When it came to finding an underground firefighting water tank big enough for the job there was only one manufacturer main contractor Kier could go to – Graf UK. The sustainable water management specialist, better known for its rainwater harvesting and wastewater treatment […]

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2020 General Binding Rules: Are you compliant with the latest change in Septic Tank legislation?

Posted by Callum Vallance-Poole, on January 1, 2020.

If you own, live in, or are building a property off the mains sewage network it’s important you’re aware of the change in legislation regarding septic tanks. In a bid to tackle water pollution, the Environment Agency has set out General Binding Rules, which means you must have plans to upgrade or replace your existing […]

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Rainwater tanks with a touch of history

Posted by Callum Vallance-Poole, on July 29, 2019.

“Antique Amphora” rainwater tanks Products from the Antique Amphora range don’t just look like Greek amphoras – they also serve the same purpose of their historical cousins. They store precious liquids – between 250 and 600 litres depending on the version – in a space-saving manner. Antique Amphora tanks are part of the new Exclusive […]

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The rainwater tank that fits in with your furniture

Posted by Callum Vallance-Poole, on July 29, 2019.

The Sunda wall-mounted rainwater tank The Sunda rainwater tank deserves a place on your terrace! Its modern design fits in extremely well with the wicker-look garden furniture which is so popular at present. The shape is discreet and restrained and complements both round and square-edged furniture. The tank is part of Graf’s Exclusive Line, which […]

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