Our Services
Typically, our groundworks and civil engineering projects include the following services. However, the list is not exhaustive, and we are happy to discuss any specific requirements not listed.
Off Mains Drainage Design, Building and Management
In order for wastewater to be taken away from your property, it will be connected either to a network of pipes leading to a main sewer, or to its own private drainage system, also known as off mains drainage. It is estimated that approximately 4% of properties in the UK have off mains drainage systems, and these properties are typically situated in more rural locations where a connection to a main sewer is not possible. At G Force Drainage and Construction Ltd we have extensive knowledge with installing, maintaining, and planning drainage systems to suit your properties requirements. Our experienced engineers provide a professional & reliable service with minimal disruption. For every project we deploy the most appropriate well maintained plant and equipment, ensuring our performance and efficiency is always reliable and effective. We engage and develop quality, experienced and well-trained operatives, whose focus is always to deliver the right solutions on time and within budget For more information or to book a site visit please contact our friendly staff.
Drainage Rehabilitation, Patch Lining and Full Lining of Existing Drain Lines
Patch lining is usually used where there is localised damage to a pipe. It can either be installed as a single i.e., to cover a hole or over a particular joint which may have water ingress, or they can be installed sequentially in the middle of a drainage run to cover a series of joints. They are made from chopped strand matting (glass fibre matting) cut to various lengths and impregnated with a silicate resin. This makes them extremely strong structurally and due to the resin, it is an effective water barrier. How we install patches at G-Force: •Pre CCTV Survey Before any Patch is installed a pre-CCTV survey must be undertaken to check any reasons this work cannot take place. •Measure We measure out the distance needed to install the Patch using our CCTV System •Mix We mix the 2 resin compounds together to create the hardener •Coat We then layout our glass fibre sheeting and coat with the mixture •Wrap We wrap our coated glass fibre matting around the Packer •Place We push the deflated packer through the run using rods •Inflate We inflate the packer to 2 Bar, to take the shape of the pipe •Cure The cure time will depend on external temperature. Normal lead time is 2 Hours. •Deflate We release the air from the packer, which will allow us to safely remove the packer from the line. •Inspect We will then do a quick look with the CCTV System to make sure that there are no defects or hanging bits of matting which may cause an issue. •Clean If for any reason, there are any loose bits of matting, we will use what’s called a Picote Sanding Unit to sand down any edges or remove any defects. •Post CCTV survey Once all patches are completed and the engineer is happy with the install, a post CCTV survey will be completed to show that all the works have been completed. Case Study These works are already being used throughout the country and are Thames Water approved. For every project we deploy the most appropriate and well maintained, plant and equipment, ensuring our performance and efficiency is always reliable and effective. We engage and develop quality, experienced and well-trained operatives, whose focus is always to deliver the right solutions on time and within budget. For more information or to book a site visit please contact our friendly staff.
Sewage Treatment Plants
We can: •Supply •Install •Commission •Mainatain At G Force Drainage and Construction Ltd, we are happy to visit your property and provide you with a no obligation quote on the above services. We can advise on the many different types of sewage systems that would be suitable for your property and household. Our experienced engineers provide a professional & reliable service with minimal disruption. Technological developments have led to the arrival of sewage treatment plants – the most sophisticated and advanced option of an off mains drainage tank. A sewage treatment plant is essentially a self-contained unit that cleans all wastewater which enters the system and allows for a typical rating of 97% clean water. Unlike that of a septic tank, this can safely be discharged into a ditch, stream, or soakaway system without the environmental concern of contamination. The process is very basic, with three dividing chambers put in place: 1.The primary settlement chamber – separates the solids and moves the water to the second chamber 2.The second being the secondary reactor - known as the biological zone, pumps compressed air into the system via a ‘blower unit’. This aeration process encourages naturally occurring bacteria and breaks down the wastewater, removing contaminants. 3.Final chamber for discharge - acts as a holding cell for the treated wastewater until it meets its capacity and then discharges out of the system. The main benefits are that the sewage is treated to a higher quality than other systems, replacing mains methods, and the effluent has little to no impact on the surrounding environment. The only disadvantage being the necessity for a mains electrical connection. Due to the new legislation that came in 2020, sewage treatment plants are the only option we install. Sewage treatment plant legislation 2020: If you have a septic tank then you’ll no doubt be aware of all the rules and regulations that come along with them. Ultimately, the Environment Agency is keen to make sure that whatever flows into these tanks stays in them – ensuring against any risk of unwanted discharge downstream. Septic tanks are installed to collect wastewater at a property that isn't connected to the main sewer network. It is made up of two chambers and installed underground where it treats the water that is stored. The wastewater enters the first chamber where it begins to separate - with the solids settling at the bottom and forming a compact base layer. Oils and greases will remain on top of the wastewater. The middle cleaner wastewater then moves into the second chamber where there is also an outlet for discharge from the tank. The effluent is then discharged from the tank. Until now, there have been two ways that separated wastewater from within the septic can be discharged: 1.To a soakaway system or drainage field – where infiltration will be used. The effluent will percolate through the soil and is broken down by natural bacteria 2.To a watercourse – the wastewater would flow through a sealed pipe straight into a local watercourse such as stream or river. The new legislation that came into play in 2020 will no longer allow septic tank discharge to a watercourse. This regulation isn't completely new, for some years now, property owners have not been allowed to install new septic tanks and discharge into a watercourse. However, if you already had a one installed, you were OK to continue to do so (unless the Environmental Agency identified that it was causing pollution). This legislation will mean that these older tanks must be either updated or removed. Site Visit A site visit will be required for you to establish that installing off mains drainage is the best course of action, legislation stipulates if there is a mains drainage run within 30m of the property we are to connect onto that if possible, instead of installing off mains drainage. If installing off mains drainage is established as the next course of action you will need to establish where the percolation testing will be carried out ensuring the correct area is tested meeting all current legislations. The below diagram shows the legislations we must meet when installing Sewerage Treatment Plants. For more information or to book a site visit please contact our friendly staff.
Percolation tests
A percolation test will need to be carried out to qualify the suitability of the land for a discharge system. Changes in legislation mean that septic tanks that dispose of water directly to a watercourse or ditch are legally obliged to ensure the water is clean enough to not cause pollution. This is most likely to result in being upgraded to a sewage treatment plant. A percolation test (colloquially called a perc test) is a test to determine the water absorption rate of soil (that is, its capacity for percolation) in preparation for the building of a septic drain field (leach field) or infiltration basin. The results of a percolation test are required to properly design a septic system. In its broadest terms, percolation testing is simply observing how quickly a known volume of water dissipates into the subsoil of a drilled hole of known surface area. While every jurisdiction will have its own laws regarding the exact calculations for the length of line, depth of pit, etc., the testing procedures are the same. In general, sandy soil will absorb more water than soil with a high concentration of clay or where the water table is close to the surface. We carry out Percolation Testing over 2 days, testing a minimum of 3 trial holes and a maximum of 6 trial holes to confirm if the ground is suitable for the installation of a new Sewerage Treatment Plant. Percolation Testing will be completed in line with the current legislation. Percolation testing is mandatory to be carried out before the installation of any Sewerage Treatment Plant to ensure the ground will sufficiently allow wastewater to pass into it. The percolation test measures the rates the water passes into the ground. A failed percolation test would be when the water passes too slowly or too quickly into the ground. If the percolation test was to fail, further investigations would be required to be completed to determine if there are any other areas of potential suitability. If no further areas are deemed suitable further guidance will be given on how to proceed. Please note percolation testing cannot be carried out during periods of heavy rainfall, if heavy rainfall does occur we would be required to reschedule your appointment. For every project we deploy the most appropriate well maintained, plant and equipment, ensuring our performance and efficiency is always reliable and effective. We engage and develop quality, experienced and well-trained operatives, whose focus is always to deliver the right solutions on time and within budget For more information or to book a site visit please contact our friendly staff.
Basement & Concrete Structures
We can provide: •Reinforced concrete •Formwork •Foundations •Ground beams •Retaining walls & structures Our experienced engineers provide a professional & reliable service with minimal disruption. For more information or to book a site visit please contact our friendly staff.
Driveway Resurfacing: Tarmac/Concrete/Resin
For every project we deploy the most appropriate well maintained, plant and equipment, ensuring our performance and efficiency is always reliable and effective. We engage and develop quality, experienced and well-trained operatives, whose focus is always to deliver the right solutions on time and within budget. For more information or to book a site visit please contact our friendly staff
TESTIMONIALS
What Our Satisfied Clients Are Saying
I had the pleasure of working with G-Force recently and I must say, their expertise in drainage management is truly commendable. Not only did they resolve the issues efficiently, but their team was also incredibly fast and friendly throughout the process. It was a seamless experience from start to finish, and I highly recommend G-Force for all your drainage needs.
Chris Dixon
G-Force provides an exceptional drainage clearance service. Their team is not only fast and efficient, but also incredibly helpful throughout the process. I recently had an urgent issue with my drainage system and they were quick to respond and resolve the problem. I highly recommend G-Force for all your drainage needs!
Shaun Gilbert
G-Force's expertise and work was exactly what we needed for the reinstatement of our yard. Not only did they do an outstanding job, but they also completed the project in record time. What impressed me the most was their friendly and approachable nature throughout the entire process. It was a pleasure working with G-Force, and I highly recommend their services for any restoration needs.
Mark Adams
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