20221116-004: 1703 N River Hills Rd Marina Reconstruction, SP-2022-0167D dredge variance recommendation — original pdf

Recommendation

1 ENVIRONMENTAL COMMISSION MOTION 20221116-004 Date: November 16, 2022 Subject: 1703 N. River Hills Road Marina Reconstruction (W/R SP-2020-0307D) SP-2022-0167D Seconded by: Kevin Ramberg Motion by: Jennifer L. Bristol RATIONALE: WHEREAS, the Environmental Commission recognizes the applicant is requesting Variance request is as follows: Request to vary from LDC 25-8-368(E) to allow more than 25 cubic yards of dredging in Lake Austin.; and WHEREAS, the Environmental Commission recognizes the site is located in the Lake Austin Watershed, Water Supply Rural Classification, Drinking Water Protection Zone; and WHEREAS, the Environmental Commission recognizes that Staff recommends this variance, having determined the findings of fact to have been met. THEREFORE, the Environmental Commission recommends this variance with the following conditions: Staff conditions: 1) Install sediment boom to minimize sediment disturbance 2) Install temporary orange construction fencing around the entire boundaries of the wetland CEF not included in the LOC to prevent encroachment into the wetland CEF. 3) Provide additional mitigation, beyond the requirements for wetlands (32 plantings of American water willow (Justicia americana), giant cutgrass (Zizaniopsis miliacea), or other herbivory resistant obligate wetland species emerged in the water along the shoreline). VOTE 7-3 For: Ana Aguirre, Perry Bedford, Jennifer Bristol, Haris Qureshi, Kevin Ramberg, and Melinda Schiera Against: Rick Brimer, Pam Thompson, Rachel Scott Abstain: None Recuse: None Absent: Audrey Barrett Bixler  Approved By: Kevin Ramberg, Environmental Commission Chair 2