Quadplex means four dwelling units on one lot or parcel. For permitting purposes, units may be attached vertically or horizontally or detached.

Qualified professional/individual means, for the purpose of preparing vegetation restoration or tree protection plans, assessing the health of trees or other similar activities, an individual approved by the City who through related training, or on-the-job experience, or both, possesses knowledge in one or more of the following subject areas: (1) arboriculture, (2) natural resources, including water resources and riparian restoration, and (3) urban interface fire protection.