[Back to services] Construction Mitigation
 As a consequence of our growing urban population, there is an increase in the
construction of new homes, and the expansion and renovation of existing homes.
This is putting demands on our urban trees and landscapes in ways that are new
and unique.
Its becoming more common for new owners of urban residential property to
completely remove existing houses to construct the new home. This usually
affects the older trees growing on the property. Construction plans should take
into consideration the valuable assets that exist in these trees. Preservation
Tree Services is prepared to assist the property owner in providing for the
proper protection of trees during the construction phase.
We think that it is necessary to consider taking the following precautions when
beginning a construction project:
- Fencing of the tree-protection area
- Placement of off-limits signs on these areas
- Assigning dollar values to each tree within this parameter
- Minimizing soil contamination within the area. Solvents, paints, oil,
combustible materials and effluent run-off are sources of long-term tree
damage
- Minimizing soil compaction - By limiting traffic and specifying the
storage areas much of the damage caused by heavy equipment can be minimized.
Deep mulching the root zones of the trees near the construction areas is
extremely important.
- Minimizing excavation - Piling excavated dirt around the base of a tree
can injure its bark, starve the tree of nutrients, and introduce rot or
fungus. Using extra reinforcement to modify paving materials can reduce the
depth of cuts in the soil. Route utilities around trees. Combine utilities
in one path, preferably tunneling utilities, rather than digging a trench or
a ditch.
- Pruning on a necessity-only basis
- Delaying the planting of any new material until the construction project
is completed
- Watering regularly during summer construction. Feeding the trees before,
during, and after construction will promote growth and minimize shock.
If preserving your trees from damage during construction is a priority for
you, a similar commitment from your general contractor will be required.
Contractual penalties for tree damage can be a considerable incentive to
insuring your contractors cooperation. Will it add to the cost of your
construction? Yes, it probably will. But it will be far less than the costs to
repair, remove and replace injured or dying trees.
Some of the trees on your lot are probably older than most of us. With directed
care, they can continue to thrive as old friends, offering shade, beauty and
value for generations to come.
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