Alternatively, solarize viable plant material by placing it in sealed black plastic bags and leaving them in direct sunlight for 1-3 weeks. A Japanese knotweed site survey and remediation options appraisal is essential in determining accurate development costs for a site. It is classed as ‘controlled waste’ under the Environmental Protection Act 1990 and requires disposal by a licensed waste carrier, who will ensure it is disposed of at a licensed landfill site. To move soil in the Republic of Ireland that contains Japanese knotweed will require a license from NPWS. The local environment agency should be notified with the intention to bury Japanese Knotweed 7 days in advance. What Is Japanese Knotweed? Under no circumstances can you dispose of Japanese Knotweed in your compost, recycling, or waste bins, due to its fast spreading and growing nature. Japanese Knotweed Ltd was asked to assess a closed landfill site that had a large infestation of Japanese knotweed. The following points should help you through this process. The act stipulates that Japanese Knotweed can only be disposed of at landfills that are licensed to handle contaminated soil. Dispose of Japanese knotweed waste off-site. Site Capping is a fast way to eradicate Japanese Knotweed while keeping volumes of waste to a minimum. How long does it take to get rid of Japanese knotweed? We specialise in the removal and disposal of Japanese Knotweed from construction sites or any site that is being developed or remediated. Excavation of Japanese knotweed and removal of wastes to a landfill site is a frequent option where time and space don’t allow other treatment strategies. 5. • Japanese knotweed (Fallopia japonica) is an invasive plant that can cause damage to property, and is very difficult to control once established. This is then removed to an environment agency approved disposal site. And merely dumping it in the trash or into a landfill site is strictly forbidden. Removal to landfill: This method completely removes Japanese Knotweed material from site and is very quick to implement. Japanese knotweed can regenerate from very small fragments of rhizome (as little as 0.7 grams). Delays can be very costly. The waste can either be sent to landfill or buried on site. Minimised excavation . There are several approaches you can use to get rid of this plant, and it sometimes requires multiple attacks for complete eradication. Fallopia japonica, Reynoutria japonica and Polygonum cuspidatum, aka Japanese Knotweed is a rhizomatous perennial plant. A survey can safeguard a buyer who wishes to purchase a development site. With its red stems and deep green leaves, it’s not deemed an unattractive plant. Our site surveys identify and record the knotweed problem and accurately assess the risk category in accordance with the Royal Institute of Chartered Surveyors (RICS) guidelines. Using the instant eradication method the Japanese Knotweed company technicians will fully excavate the affected land, including Rhizomes. We have a team of highly qualified staff, who will be more than happy to discuss the process and options of dealing with Japanese Knotweed. If your municipality has a high-heat compost program, plants can be sent there. On-site burial. Whilst the landfill site is closed, it is in the interest of the property owner to control and manage Japanese knotweed on their land. Previous Environment Agency guidelines stated that excavation of Japanese knotweed should be undertaken within a 7 metre zone around plants and to a depth of 3 metres. Not all landfill sites are able to take Japanese knotweed contaminated material, which is regulated under Part 2 of the environmental Protection Act 1990 and the Hazard Waste Regulations 2005. • grows up to 3 m tall and can grow in dense patches • hollow stems with purple and red speckles • heart-shaped leaves, 3-10 cm long • clusters of small, greenish-white flowers in sprays along the stems • roots extend 3 m deep and 14 m or more from the plant WHY IS KNOTWEED BAD? Japanese Knotweed (Reynoutria japonica) ... Do not compost viable plant material at home or send to landfill. Japanese Knotweed Burial On-site. Indeed, the Wildlife and Countryside Act of 1981 decrees that planting or dumping knotweed in the wild is an offense punishable by a fine or imprisonment. Early detection and treatment of Japanese knotweed infestations is of paramount importance if remediation costs are to be kept to a minimum. Read our Japanese Knotweed FAQs to find out more about this invasive plant. Our landfill resources in the UK are dwindling and there are an increasingly limited number of landfills that will take Japanese knotweed material. Knotweed species in the region include: Japanese (Fallopia japonica), Bohemian (F. x Bohemicum), Giant (F. sachalinensis) and Himalayan (Persicaria wallichii). It is illegal to dispose of Japanese knotweed at a landfill site without informing the landfill site that the waste material is Japanese knotweed. You are only allowed to bury knotweed at authorised landfill sites, you are also required to call in advance to give them time to prepare. Contact a Japanese knotweed specialist. WHAT DOES JAPANESE KNOTWEED LOOK LIKE? Cut Knotweed material and soils contain rhizomes must be disposed of as a controlled waste if they are to be removed from their site. In Northern Ireland, Waste Transfer Notes are required by the licensed haulier to transport the material to the landfill site. Japanese Knotweed is also a controlled waste material and therefore must be disposed of via approved landfill sites only. Site Capping removes knotweed to the construction foundation level*, minimising the depth of excavation and the resulting volume of waste. 6. This will also ensure that any contractors on-site will treat Japanese knotweed appropriately. Burial pits should not be located under proposed buildings. This may involve either burying the waste on-site or removing it to a specialist landfill. Japanese knotweed is so tenacious that it has been known to grow through solid masonry foundations. • It is listed under schedule 9 of the Wildlife and Countryside Act 1981 and it is an offence to plant or cause this species to grow in the wild. Southwest Knotweed started its journey in 2011, 1st treating Japanese Knotweed in Cornwall and then, soon expanding across the South West, covering Devon, Somerset and Cornwall, offering bespoke solutions within the Invasive Weed Industry. As of the 2014 order People who fail to control the spread of invasive non-native plants such as Japanese Knotweed could be fined or receive anti-social behaviour orders. As well as harming the environment, Japanese Knotweed is able to grow through the smallest gaps in walls, pavements and structural foundations of buildings. Article 34. You must use a registered waste carrier and authorised landfill/disposal site if removed off site. Do an Internet search to find out the rules regarding Japanese knotweed disposal … The problem with Japanese Knotweed is that it can sprout from as little as 2mm of rhizome, meaning it is classed as “controlled waste” under the Environmental Protection Act of 1990 and must only be disposed of into licensed landfill sites to stop further spread. Companies building new houses will have to be creative with how they deal with contaminated land and be fully up to speed with ALL strategies available to them for dealing with Japanese Knotweed. Changes in legislation will I’m sure eventually lead to a refusal to accept Japanese Knotweed at landfill sites …and I’m sure this is on the current horizon. Japanese knotweed is a weed that can grow to over two metres high and spread rapidly. Why is knotweed a problem? Japanese Knotweed waste is classed as “controlled waste” and must be disposed of in line with the Duty of Care Regulations 1991 under the Environmental Protection Act 1990. ... cause the spread of Japanese knotweed and all waste which contains Japanese knotweed has to be disposed of at a licensed landfill site. But what’s the cost of removing Japanese knotweed? There are three ways to get rid of Japanese Knotweed; each has their pros and cons, and prices vary. Japanese Knotweed and contaminated soil can also be buried on site inside a heat sealed plastic membrane. We’ll reveal all below. Japanese Knotweed is one of the most common and problematic invasive weeds in the UK today due to its resilience, rapid growth rate and difficulty to fully remove. • Plant material is a ‘controlled waste’ under the Environmental Protection Act 1990. Sometimes, though, the properties attacked by Japanese knotweed are brand new. When we are called to site where Japanese Knotweed has been fly-tipped we work with the landowner to remove the problem. Japanese knotweed can also be burnt as a method of eradication – if the waste belongs to a business rather than a private individual, the EA and local Environmental Health Officer must be notified at least a week in advance (.GOV.UK, 2017). Japanese Knotweed Site Survey. In Northern Ireland it is illegal to dispose of Japanese knotweed, or knotweed contaminated soil, at a landfill site without informing the landfill site that the waste material is Japanese knotweed. Japanese Knotweed A Brief History of an Invasive Weed – What is it? Only registered waste carriers should transport this material and relevant insurance policies should be in place. 4. Any attempts to remove Knotweed should therefore be carried out by licensed professionals. Known for its destructive capabilities, the Japanese knotweed is an invasive plant which can severely damage buildings and construction sites if left unchecked. You should also call the landfill before you transport the waste, as it must have the correct environmental permit to deal with the knotweed. However, as the Japanese knotweed spreads rapidly, it can be a severe problem for homeowners. Get in touch for legal help! Because Japanese knotweed is classified as “controlled waste” by the 1990 Environmental Protection Act, many places, like the United Kingdom, require you to dispose of it at a licensed landfill site. If you have it growing in your garden, you’ll want to get it removed as soon as you can. By minimising the amount of controlled waste, we’re actively helping to reduce landfill levels. The time it takes to get rid of Japanese knotweed depends on the size of the infestation and the techniques used to combat it. And as Japanese knotweed is classed as “controlled waste” under the Environmental Protection Act 1990, both vegetation and soil must disposal at licensed landfill sites. Environet has filed a patent application for the method and apparatus used to convert Japanese knotweed waste into biochar, thereby locking in carbon and eliminating the need for landfill. The individual or organisation that has collected the knotweed is responsible for identifying a licensed landfill and transporting the knotweed to the licensed handler. Japanese Knotweed identification. This is ideal where no construction work has begun and the site can be fully excavated to make a hole deep enough to contain the Japanese Knotweed. As part of buying, selling or re-mortgaging a property you may be required to undertake a Japanese knotweed survey. The vast majority of Japanese knotweed waste currently ends up in landfill sites where it rots, producing damaging landfill gases such as carbon dioxide and methane. • Japanese knotweed - 1.5 m to 2.5 m tall, multiple branches, mottled purple/brown • Giantknotweed-3 mto6 tall,fewornobranches, mottled purple/brown • Himalayanknotweed-2 mto3 tall,branchedat upper half, reddish in color Rhizomes: At maturity, rhizomes are thick and woody, and can spread up to 20 m laterally. As we have mentioned above, disposing of Japanese knotweed at a licenced landfill is the easiest way to make sure you are staying within the law. Is Japanese knotweed dangerous? ... you must use a registered waste carrier to transport your contaminated soil to a licensed landfill site. 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