Tree Survey - GRITIT Tree Works


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A tree survey should be carried out on a three year cycle to ensure all trees on site are in a healthy and safe condition. A GRITIT tree survey ensures that your trees grow in the right shape and direction, and that branches are always monitored to be cleared to 2.4m over paths, 5m over roads, 1m from all street lighting, traffic signs, traffic lights, street name plates and 2m from windows or adjacent premises.  
 

A GRITIT tree survey is an important landscape survey that is performed every three years on your trees. The goal of this survey is to provide useful information so that facility managers can make informed decisions - ie what to do with the trees. A tree survey usually works with the British Standard BS5837. This standard determines which trees should be retained, and which trees should be removed. 

In fact, in some regions, a tree survey is mandatory. This is to prevent a protected tree with a TPO from being cut down accidentally (based on the Wildlife and Countryside Act). The information retrieved from a tree survey also has commercial validity. For instance, your grounds manager may decide to keep some trees so as to increase the overall value of the property. Those that cannot be removed by law, can be incorporated into the design so that they look as part of the overall landscape. In addition, a tree survey can also point out certain hazards. For example, a GRITIT tree survey will identify trees that may fall any moment (especially when there is a strong wind or foul weather) due to fungal decay. In this case, it is better to have the tree removed. These are safety aspects that need to be taken care of. All trees will be tagged with special tags and numbers. These numbers can be cross referenced with a special summary table, which reveals the meanings of these tags and numbers. Only after a tree survey should actual work start on the trees in the grounds of your premises.


Why Have A GRITIT Tree Pruning Plan?

There are many good reasons to have a regular tree pruning plan from GRITIT in place:

  • Pruning to prevent liability
    • Dead, broken, weak or split branches, or low hanging branches which might be a hazard to people, vehicles or buildings, create liability and require attention.
  • Pruning at planting time
    • After transplanting, tree tops should be pruned back to compensate for the loss of roots and to begin training the tree, but this pruning will not exceed one-third of the plants total top growth.

  • Pruning to train your trees
    • to develop a strong framework to withstand winds, a tree should be pruned to a few strong limbs spaced well apart, up, down and around the trunk.
    • to develop a beautiful social gathering shade tree with limbs coming off the trunk at a height greater than 1.6 to 2.4m, low branches should be pruned off. Ideally pruning should be done over an extended period of time as part of the long-term GRITIT pruning plan as the tree grows in height. If done all at once this can result in a weak, spindly tree that needs staking. 

  • Pruning for your tree's health
    • We prune to eliminate limbs with weak crotches that arise from the trunk at acute angles.
    • We prune to eliminate limbs that cross each other or compete for the same space in the trees crown.
    • We prune to eliminate dead and diseased branches to improve the appearance of the tree and prevent entrance and spread of diseases and insects.
    • We prune to revitalize older trees by pruning out part of the crown of the tree, reducing the leaf area that the root system has to supply. 
    • We prune to increase air circulation through the tree both for the trees benefit and to increase air flow into the landscape. More sunlight gets through the tree which is beneficial for lawn growth below.

GRITIT Grounds Services

GRITIT grounds services cover your facility throughout the year. The same team takes care of your site in the winter and summer, and will also


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