Stakeholder - Three Shires

Three Shires delivers Knotweed solution for Morrisons Bedford

Three Shires delivers Knotweed solution for Morrisons Bedford

When Morrisons Supermarkets allocated space for its brand new store in Bedford there were a number of assessments needed on the site.

Main Contractor McLaren Construction instructed Three Shires Ltd to carry out the ecological aspect of the site. The site consisted of industrial units which had been demolished and areas of scrubland/woodland.

Seven areas of Japanese Knotweed growth were found by the site survey which Three Shires’ dedicated invasive solutions division Herpetosure Invasive Weed Solutions (H.I.S) carried out. These eradication areas covered a total of 5930q m of the site.

Morrisions and McLaren construction had a tight timescale for the proposed build which resulted in Three shires working quickly and effectively to draw up a management plan, allowing the site disruption to be kept to a minimum. The company undertook the Site Root Burial of the rhizome as suggested by the Knotweed code of Practice 2006. This method was deemed most cost and time effective for the client and the development itself and included three phases.

The first phase saw Three Shires implement a fencing system surrounding the infected area with a 5m buffer zone, placement of warning and information signs and initial herbicide application. This was followed with a second phase excavation of all Japanese Knotweed and stock piled root barrier membranes in the designated areas and installation of the Herpetosure Root Stop membrane around the edge of the site to prevent an future infestation. Phase three involved the excavation of suitable site cell burial along with the containment of 2000cu of contaminated material within the Herpetosure Root Stop Japanese Knotweed Barrier which was carried out with consent from the Environment Agency.

Due to the fast and effective work carried out by H.I.S Morrisons Supermarkets were able to continue the development of the site to form car parking for its new store.

Due to the works carried out by Three Shires dedicated Invasive solutions division, H.I.S, the client was able to continue with their development of the site which included a car parking area for the new Supermarket.

Contact Us

Three Shires Ltd

Piper Hole Farm

Eastwell Road



LE14 4SS

T: 01664 444 604

F: 01664 444 605

E: [email protected]


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To say we have been pleased with Three Shires is an understatement. James and his team have impressed throughout with their professional approach, speed and ability to resource a project of this size within the tight timescale set. We looked at many products on the market and I must say that this is the best we have seen.

Dan Murray, ST James Security

Herpetosure were recommended by our ecological consultant, Ray Gemmell of ERAP, and after a site visit it became clear that their product was ideal. Clearly a great deal of thought has gone into the design of the fencing material and as a result an extremely durable fence system is installed very quickly. Without the speed of installation of the HERPETOSURE® fencing and the experience of Three Shires there would, almost certainly, have been a delay in the commencement of pitfall trapping and a subsequent delay in the development programme.

Andrew Roberts, MD Tustin Developments
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