Sonic tomography, where a series of sensors are placed around the tree trunk or limb. 

Each sensor is tapped, which sends a stress wave across the wood to the other sensors, in order to develop a detailed 2D or 3D picture of the internal condition of trees.  

This allows us to ascertain the presence, extent and significance of internal decay and possible implications for tree safety. 

We also use additional software for determination and comparative evaluation of windload and the the safety effect of reduction prunin, stability reduction by deteriorations in trunk/branch cross-sections, tipping-stability reduction by root decay and/or trenching.

Signs and symptoms of decay, might be obvious cavities, areas of wounded tissue, or areas of response growth such as unusual ribs of wood on limbs or the trunk, or simply the presence of fungal fruiting bodies. 

Next the surveyor considers how these factors might interact and decides where on the tree a reading might be taken to confirm the presence or absence of decay. 

Using the Resistograph®, data can then be collected and analyzed. In some cases, drilling points will be at the sensor locations used in tomography as a means of confirming the tomogram image. Decay detection testing involving the Resistograph is used in order to measure the thickness of the residual wall of trees with internal defects such as cavities or decay invasively.  

Microsecond Timer is a rapid tree safety assessment tool, that works in conjunction with a mobile app to help you investigate tree defects. Testing takes a matter of seconds even on large diameter trees, with no heavy equipment or computers. Using just two sensors specially designed to allow the tree to repair quickly making it safe, fast and effective. 

The Microsecond Timer, presents the time taken for a sound wave to travel between probes, simply put: 

• Short time = Normal Tree
• Long time = Defective Tree 

The Microsecond Timer is prefect for individual, walk through risk surveys and climbing inspections

Should defects/ weakness in the root system be suspected, we can conduct preliminary assessment of primary root condition using the ARBORADIX® system. 

The unit is set up as for the ARBOTOM®, however the sound impulses are applied not to the stem but to the ground above the root zone. Because no excavation is required the testing is quick to perform.

The resulting tomogram can be sufficient to indicate whether the tree has significant weakness in the root system. Confirmation by excavation and inspection of some or all of the structural roots is recommended when the roots system is indicated to be severely weakened.

It is accepted across the Arboricultural industry that undertaking tree inspections from ground level is appropriate in the majority of cases. However, in some instances specific defects in the canopy or the presence of old cable braces may necessitate the need for closer inspection. 

Using safe and efficient rope access techniques, our qualified tree climbers can access all aerial parts of the tree and undertake assessments to fully inform management decisions.

Arborcheck is a cost effective system providing arboricultural professionals with a convenient method of assessing the impact of stress on overall tree vitality. 

The system consists of 2 hand-held instruments which test different physiological characteristics of the leaf providing a detailed evaluation of the physiological performance of the tree. 

Results may be used as an indication of the early stages of decline due to stress or as supporting evidence for the findings of Visual Tree Assessments