Title
NR 18-08 and US 18-02: Natural Resource Overlay District and Geologic Hazard Review for existing patio and related improvements at 1st Avenue between Jerome and Miller Streets in Canemah
Body
RECOMMENDED ACTION (Motion):
Staff recommends approval with conditions.
BACKGROUND:
According to the applicant, the previous owners of the property, located between the Willamette River and 510 1st Avenue in Canemah, constructed a dock, concrete block stairway, concrete block retaining walls, a rock retaining wall, a graded gravel patio with a concrete block fire pit, and a concrete patio in 2013. The applicant requested approval for the aforementioned development with the Natural Resource Overlay, Geologic Hazard Overlay, and Floodplain overlay districts.
Natural Resource Overlay District: The development created 848 square feet of disturbance area within the Natural Resource Overlay District. It is not clear how much of the area was previously impervious, but the applicant errored on the side of caution and considered all of the development as disturbance. The applicant proposed mitigation on the portion of the property they control through an easement, however, the site area is too small for the full 2:1 ratio of mitigation. Thus, the applicant requested an adjustment to allow a smaller area and has requested to count the existing native plants on the site towards the required mitigation. Staff recommended conditions of approval to meet the full planting quantity requirements, not counting existing plants, and has provided four options for the applicant to increase mitigation area to meet the standard.
Geologic Hazard Overlay District: Stormwater treatment and Geologic Hazard review are waived by the City because the impervious surfaces, heights, and amounts of cuts and fills fall under the City’s thresholds.
Flood Management Overlay District: The applicant estimated that 12.1 cubic yards of fill was brought in during the construction of the patio. However...
Click here for full text