Tree pits should be as large as possible to allow for ample growing space for tree roots and
crown, and to prevent future sidewalk lifting. Optimal tree pit size would be 4 feet by 10 feet or
5 feet by 10 feet. The overall width of a sidewalk can limit the size of a tree pit. Please refer to
the Sample Tree Pit Configuration Sheet on page 19 for a range of possible tree pit sizes.
Parks encourages continuous tree pits whenever possible, and designs that call for continuous
pits may be given more flexible spacing requirements by the Agency representative.
If the recommended tree pit size does not match the approved site plan, the plan must be
revised.