Tree Inspection

a man in a highvis jacket approaching a tree which is being pica tested

The aim of a tree inspection is to identify any problems with the tree and/or trees that you are responsible for. This will allow you to manage the identified risk based on sound arboricultural information. All surveys are undertaken by qualified arboricultrual surveyors. The depth and extent of the tree inspection are highlighted below.

TREE CONDITION SURVEY

This is an in-depth Visual Tree Assessment (VTA) survey aimed at risk assessment and mitigation undertaken by our consultant. This type of survey is usually undertaken to meet the landowner’s legal obligation which are laid out in the Occupiers Liability Act (1984) and the Health and Safety at Work Act (1974)

Reference number of the tree
Species of the tree by scientific name
Stem diameter in centimetres, measured at least 1.5m above ground level
Branch spread
Height of tree
The age class of the tree such as young, semi-mature, mature, post mature or veteran
Structural condition and physiological condition of the tree such as healthy and vigorous, satisfactory, declining, poor or dead
Crown condition
Stem condition
Root condition
Management recommendations for the trees including pricing and timescales
The safe useful life expectance of the tree
Required further investigation (Resitograph, etc.)
All trees to be plotted on a site plan provided by the client.

Trees surveyed will have a stem diameter of 100 mm (4”) or more unless otherwise stated or requested. Any smaller trees will be marked with an 'X' on the supplied plan and observations given only if there is cause to. Small trees may be grouped if they are of similar size. This type of survey is site specific and quoted

TREE INVENTORY & MANAGEMENT INSPECTION

This is the most economical type of tree listing that aims to highlight the trees on site and the relevant works required. This is not a condition survey. This will include the following.

Reference number of the tree
Species of the tree by either the common or scientific name
Stem diameter in centimetres, measured at least 1.5m above ground level
The age class of the tree such as young, semi-mature, mature, post mature or veteran
Structural condition and physiological condition of the tree such as healthy and vigorous, satisfactory, declining, poor or dead
Management recommendations for the trees including pricing and timescales
All trees to be plotted on a site plan provided by the client.

PICUS TESTING

The testing procedure is undertaken by an Arborist with training and experience. The PICUS sonic tomograph is a system that measures the speed of sound travelling across timber. Because the speed of sound waves is constant in solid wood, a measurement can be taken from one point to another on the trunk of a tree. If there is decay between the test points then the speed of the sound waves are measured as slower data. The PICUS software calculates all data recorded in a complete test and creates an image called a tomograph. An Arborist can then make an interpretation of the tomograph, taking into account the tree itself and other surrounding features. Previous methods of decay detecting were invasive to the tree, i.e. increment bores created extensive damage to trees tested. The PICUS system is virtually totally non-invasive. The PICUS system only uses small nails to penetrate the bark to make contact with the timber.

We work in partnership with Ligna to simplify the process involved in the management of trees. Whether it be tree safety surveys or planning applications we are able to provide tailored design advise and produce vital planning documents whilst managing cost effective long term solutions. Below is an example of what we undertake

TREE REPORTS BS5837

There is a statutory duty under the Town & Country Planning Acts for local planning authorities to consider the protection of trees when planning applications are made. It is therefore a requirement of the Local Authority to ask for a tree survey to be submitted with a planning application, even if trees are not actually located on the site itself. The purpose of the BS5837 tree survey is to determine whether a development will have an impact on important trees within the landscape. The report will consider all trees on site and provided accurate information relating to the quality of the trees and the extent of their canopies and root systems. Accurate information my enable the developer or applicant to be made aware of any issues that may require alterations to be made to a layout or even prevent the development of the site.

Tree Surgery

Soft Landscaping

Maintenance

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Arboricultural Impact Assessments

This document is typically requested by a Local Planning Authority to determine the impact of a proposed development on existing trees within and adjacent to the site. This report includes a scaled tree protection plan showing trees for removal, retention, and the relevant protection measures.

Arboricultural Method Statement

The Local Planning Authority may request an AMS to state the methodology for the implementation of the tree protection measures on site. This may include the installation of ground protection, works within the RPA (root protection area) and replanting guidance.

This is the most economical type of tree listing that aims to highlight the trees on site and the relevant works required. This is not a condition survey and therefore will not make any comment on condition. This will include the following.

Reference number of the tree

Species of the tree by either the common or scientific name

Stem diameter in centimetres, measured at least 1.5m above ground level

The age class of the tree such as young, semi-mature, mature, post mature or veteran

Structural condition and physiological condition of the tree such as healthy and vigorous, satisfactory, declining, poor or dead

Management recommendations for the trees including pricing and timescales

All trees to be plotted on a site plan provided by the client.

Trees surveyed will have a stem diameter of 100 mm (4”) or more unless otherwise stated or requested. Any smaller trees will be marked with an 'X' on the supplied plan and observations given only if there is cause to. Small trees may be grouped if they are of similar size
This is an in-depth Visual Tree Assessment (VTA) survey aimed at risk assessment and mitigation undertaken by our consultant. This type of survey is usually undertaken to meet the landowner’s legal obligation which are laid out in the Occupiers Liability Act (1984) and the Health and Safety at Work Act (1974)

Reference number of the tree

Species of the tree by scientific name

Stem diameter in centimetres, measured at least 1.5m above ground level

Branch spread

Height of tree

The age class of the tree such as young, semi-mature, mature, post mature or veteran

Structural condition and physiological condition of the tree such as healthy and vigorous, satisfactory, declining, poor or dead

Crown condition

Stem condition

Root condition

Management recommendations for the trees including pricing and timescales

The safe useful life expectance of the tree

Required further investigation (Resitograph, etc.)

All trees to be plotted on a site plan provided by the client.

Trees surveyed will have a stem diameter of 100 mm (4”) or more unless otherwise stated or requested. Any smaller trees will be marked with an 'X' on the supplied plan and observations given only if there is cause to. Small trees may be grouped if they are of similar size. This type of survey is site specific and quoted
The testing procedure is undertaken by an Arborist with training and experience. The PICUS sonic tomograph is a system that measures the speed of sound travelling across timber. Because the speed of sound waves is constant in solid wood, a measurement can be taken from one point to another on the trunk of a tree. If there is decay between the test points then the speed of the sound waves are measured as slower data. The PICUS software calculates all data recorded in a complete test and creates an image called a tomograph. An Arborist can then make an interpretation of the tomograph, taking into account the tree itself and other surrounding features. Previous methods of decay detecting were invasive to the tree, i.e. increment bores created extensive damage to trees tested. The PICUS system is virtually totally non-invasive. The PICUS system only uses small nails to penetrate the bark to make contact with the timber.
The is an aerial inspection of the structural condition of larger trees where defects may not be visible from a ground level Visual Tree Assessment. All assessments are undertaken by a qualified arborist. A written report is produced containing the findings of the ATI.