“50 years of experience & innovation in plastic”
How much does a wastewater treatment system cost?
Posted by Callum Vallance-Poole, on January 25, 2021.
So, you’ve realised that you need a wastewater treatment system for your property and you’re wondering, how much will it cost? Perhaps this is for your new build property that cannot be connected to mains drainage. Perhaps you’re replacing an old system that is no longer working and needs an upgrade. Perhaps you’re being forced […]Read more
Does a sewage treatment plant need a soakaway?
Posted by Callum Vallance-Poole, on January 18, 2021.
When you are installing a sewage treatment plant you will need to thing about where the effluent is going to go once it has been treated inside the system. There are 3 mains methods of discharge that are available. Discharging into a soakaway This is the most common method as it is a tried and […]Read more
What does a sewage treatment plant do?
Posted by Callum Vallance-Poole, on January 11, 2021.
A sewage treatment plant is simply an off-mains drainage system that deals with a property’s waste on site. It’s job is to treat the wastewater to quality that it can be safely discharged into a local watercourse or groundwater reserves without damaging the environment or eco-system. What size treatment do you need? For a domestic […]Read more
What are the different types of sewage treatment plants available and the benefits of each system
Posted by Callum Vallance-Poole, on January 4, 2021.
If you are looking to build a property that cannot be connected to the main sewer network, then you will need to install some form of sewage treatment system to process the wastewater into a form that can be safely drained into your local water course or can be discharged into a soakaway The more […]Read more
Graf UK expands its training offering
Posted by Callum Vallance-Poole, on December 28, 2020.
Specifiers, merchants and distributors set to join installers in learning about Graf UK systems. At a time when many drainage systems manufacturers’ training offer extends to one-hour CPDs, Graf UK is investing a minimum of a half-day training to ensure customers are kept abreast of ever-evolving regulations and the wide variety of options available. The […]Read more
Graf UK One2Clean scores highly on a sensitive SEPA site
Posted by Callum Vallance-Poole, on December 21, 2020.
Wastewater treatment system One2Clean proves the one to go to. A new-generation One2Clean wastewater treatment plant from Graf UK has beaten the competition to meet the super-stringent requirements of the Scottish Environment Protection Agency (SEPA). A Graf UK One2Clean tank, which uses a Sequencing Batch Reactor (SBR) system, has been installed at a new private […]Read more
Carl finds waste not, want not, with Graf UK
Posted by Callum Vallance-Poole, on December 17, 2020.
Demand to join Graf UK’s nationwide network of accredited service providers is growing exponentially, even during lockdown. Here, one contractor explains what the benefits to him have been of linking up with Graf UK. Becoming an ambassador for Graf UK wastewater treatment systems has not only made life easier for Carl Pickess but also more […]Read more
What are the Different Types of Discharge from a Sewage Treatment Plant?
Posted by Callum Vallance-Poole, on December 14, 2020.
Properties that are not connected, or have access to, a local sewer will need a sewage treatment plant in order to safely discharge of household waste. If you currently use a septic tank to discharge waste this will have to be upgraded due to recent changes to the law. In this article we explain the […]Read more
When Would You Need a Potable Water Tank?
Posted by Callum Vallance-Poole, on December 7, 2020.
Potable tanks offer a variety of benefits for homeowners who live in remote areas. But when do you need a potable tank and how can it help? Read on to find out more. What is a potable tank? A potable tank is a storage unit able to hold thousands of litres of rainwater that can […]Read more
What’s the benefits of installing a combined rainwater harvesting and stormwater tank?
Posted by Callum Vallance-Poole, on November 30, 2020.
A combined rainwater harvesting and storm attenuation tank allows you to store rainwater for reuse while also offering better flood protection measures in the event of a storm. Below we explain the benefits of installing a combined rainwater harvesting and storm attenuation tank and why it plays an important role in meeting SuDS regulations. What […]Read more
How to size a stormwater attenuation tank
Posted by Callum Vallance-Poole, on November 23, 2020.
Before a stormwater attenuation tank can be installed there are a number of things to take into consideration. In this article we discuss the main factors that go into deciding how to size a stormwater attenuation tank. Geographical location Where you are located will dictate the amount of rainfall you experience during the year. For […]Read more
What is a Flow Control?
Posted by Callum Vallance-Poole, on November 16, 2020.
How does a stormwater tank prevent downstream flooding during periods of heavy rainfall? It’s all down to a flow control device that manages the release of water to ensure drainage happens at a rate that protects the local environment. We explain more about flow controls below. What is a flow control? A flow control device […]Read more
What are the benefits of a Firefighting tank?
Posted by Callum Vallance-Poole, on November 9, 2020.
A fire can happen when you least expect, its ignition starting from any number of sources. That’s why it’s important to protect your home as much as possible and investing in a firefighting tank allows you to do just that. Below we explain the benefits of a firefighting tank to help you decide if installing […]Read more
How to carry out a percolation test
Posted by Callum Vallance-Poole, on November 2, 2020.
If you are thinking about installing a soakaway or sewage treatment on your land you will have to first conduct a percolation test. Below we explain what this involves and how to carry out a percolation test to produce accurate results. What is a percolation test? A percolation test is used to determine the water […]Read more
How To Avoid a War Over Water
Posted by Callum Vallance-Poole, on October 28, 2020.
By Matthew Rolph, managing director at Graf UK, Europe’s rainwater harvesting champion and leading sustainable manufacturer of wastewater and storm water management systems. Every cloud has a silver lining and if there was ever a positive to come out of Covid it is a greater appreciation of what clouds bring us – rainwater. Research conducted […]Read more
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 […]Read more
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 […]Read more
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: […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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, […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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. […]Read more
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 […]Read more
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. […]Read more
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, […]Read more
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 […]Read more
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, […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more
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 […]Read more