Amelioration services we provide to reverse damage to trees on construction sites. This includes soil contamination treatment, soil decompaction measures, soil improvement, root treatments and re-planting
This page is specifically for construction related damage to trees, please see our other pages for other damage we can help with.
If and when damage has occurred to trees on a development site, we provide very effective amelioration methods for revitalising tree roots that are damaged. We can also provide measures to re-create good soil structure & nutrient availability.
We can also provide methods for the removal of poor or contaminated soils around tree roots, without harm to them.
Air-spade
construction damage to tree roots
As part of our service we can utilise this tool, along with other processes to create improved rooting medium, where this rooting medium has been compacted, contaminated or even removed.
We also inoculate the damaged root system with a growth regulating substance, that stimulates accelerated root development and re-development. The treatments we have carried out to date have shown considerable success, through increased root density and re-generation and ultimately increased vigour of the crown.
Below is a photo of an excavated trench with the damaged roots exposed - despite claims that the ground worker never came across, or even saw a root when digging a 1.5 metre trench next to the exposed roots. This trench was then back-filled with a mixture of well rotted mulch and topsoil. The roots and infill were inoculated with a growth regulating/signalling substance.
When a development site has protected trees, or trees of value within or adjacent to it, particular care has to be taken around them. Normally a local authority will want to see that an arboriculturist has been consulted, before they'll grant consent to any development. Often the recommendations of the arboriculturist will become conditions attached to any consent given.
If planning permission has been granted, or even if planning permission is not required, damage to such trees will bring the attention of the local authority and will likely end in enforcement of adequate tree protection measures, the placing of a stop order on the site until the adequate measures are in place and possible prosecution, depending on the nature and extent of the damage.
damaged roots exoosed
High pressure water jet
A similar process can be undertaken using high pressure water jets, where the site conditions favour it. High pressure water is particularly effective when dealing with very compacted soils. It can be used in conjunction with an industrial soil vacuum.
High pressure air injection
Another method to combat mechanical soil compaction is the use of compressed air injections into the soil. This can be used on sites with certain soils to good effect, but has no beneficial effect on clay type soils. This device cannot be used to treat contaminated soils.
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Construction Industry Services 
