Project Description
Barnes Arboretum Tree Protection
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Purpose
The Barnes Arboretum was recently acquired by St Joseph’s University and an integrated plan to better connect the two campuses was created to improve accessibility. This included the construction of a new sidewalk pattern that could adversely impact the critical root zones of several specimen quality heritage trees on the arboretum’s campus. We were hired to design and implement a tree protection system that involved tree protection trenching, root pruning, tree protection fencing and post construction rehabilitation.
Actions
Designed a tree protection system that protected the Critical Root Zone (CRZ) and allowed for construction to take place
Utilized an AirKnife to excavate root systems without damaging the roots
Pruned the root system and installed deep root barriers to prevent long term damage to the sidewalks
Installed fencing in the Tree Protection Zone (TPZ) to ANSI A300 BMP Standards
Continuous monitoring of site throughout construction
Post construction fence removal
Post construction care consisted of root zone improvements with aeration and a Biochar/Compost soil ammendment
