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Applicant to request waivers for stormwater and alley sight‑distance at 615617 South Walnut
Summary
The project team said it will request waivers for a stormwater infiltration bed located within the typical setback and for sight‑distance at an alley intersection (cannot meet 175‑ft standard while retaining on‑street parking); the team will document improvements and proposed mitigations in the next submission.
Project representatives told the commission they plan to submit two additional waiver requests with the next application package for 615617 South Walnut. The first waiver covers stormwater infrastructure: the proposed infiltration bed sits closer to a building than the typical 10‑foot standard; the consultant said the applicant will propose an impervious liner and other engineered measures to mitigate risk and will request the waiver with supporting calculations.
The second waiver concerns sight‑distance at an alley crossing. Engineering reviewers said a 25‑mph sight‑distance standard (175 ft) is required but existing parking reduces the measurable sight distance to approximately 18–19 ft; the team said redesign and parking reconfiguration improve sight distance to an estimated ~88 ft but cannot reach 175 ft without removing on‑street parking. The applicant plans to document existing conditions and propose targeted improvements, and staff flagged both waiver requests for inclusion in the forthcoming submission to the Smart Growth and ZHB processes.
Commissioners asked for clear documentation on how the proposed mitigation will perform and requested plan callouts showing before/after sight‑distance diagrams and stormwater details; applicants agreed to revise the plan set and to bring engineered responses to the Aug. 10 voting session.
