9506 7TH AVE SE 2025-04-08 - Laserfiche WebLink

Table 3 — General Mitigation Measures Potential Activities/Cause of Proposed Measures to Minimize Disturbance Disturbance Impacts • Wetland A is located north of the Lights • Roads east/west access road, so lights from • Residences vehicles will not be directed into the wetland. • The existing buffer is well vegetated, so lights are already blocked from the wetland. Buffer enhancement will further block light from reaching the wetland. • The proposed development will have four residences adjacent to the buffer. Residential yard lights will be manually controlled and used for short durations. Solid privacy fencing around the lots will minimize the amount of light reaching the wetland. • Noise from construction activities will be Noise • Construction temporary, during daylight hours. • Residences Machinery will be turned off when not • Vehicles actively in use. • Noise from the residences will be limited to residents and vehicle traffic, which will be lower than the ambient noise from 7th Avenue SE and the adjacent commercial developments. • During the clearing and grading activities, Untreated • Construction runoff will be collected and directed to a Runoff equipment temporary stormwater pond. • Roads • Erosion and sedimentation control measures will be in place while clearing, grading, and construction occurs. • Construction equipment will be kept outside of the wetland and its buffer. • All runoff from the proposed development will be collected and treated in a manner consistent with stormwater treatment standards and that will meet city and state water quality standards. • Hydrology in the wetland is provided by the stream. No changes to the stream are proposed, so the wetland will not be dewatered. Chelsea Heights 10 Critical Area Study &Buffer Enhancement Plan WRI#22101 October 10, 2022