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Commissioners press developer on permeable driveways, noise and maintenance at Gutenberg Street discussion
Summary
Commissioners and staff reviewed landscaping and driveway materials for the Gutenberg Street project; landscape architect Bruce Chan described unit pavers and permeability while commissioners raised concerns about noise and long‑term maintenance costs, and the sponsor said added permeable turf block would increase costs substantially.
Commissioners used an agendized discussion item to revisit landscaping and driveway conditions for a proposed development on Gutenberg Street.
Commissioner Fung led a line of questioning about the noise impact of permeable surfacing used at shared driveways adjacent to existing homes. Landscape architect Bruce Chan described unit pavers set on a compacted gravel base as permeable and said pavers can dissipate sound compared with smooth concrete. Chan provided a cost comparison, saying turf‑stone suitable for emergency vehicle loads could cost roughly 2.5 times as much as asphalt for a particular roadway length (estimated incremental cost in the discussion was roughly $150,000–$175,000 on a $100,000 asphalt base for a 2,800‑square‑foot section).
Project sponsor Jayesh Patel and representative Brett Gladstone said the project is already tightly budgeted and that additional construction and irrigation costs and long‑term maintenance obligations borne by a homeowners association would make turf stone economically difficult. Commissioners voiced sympathy both for cost pressures on the sponsor and for long‑term maintenance and stormwater goals. Several commissioners indicated support for softer permeable surfaces and asked staff to request that the sponsor consider alternatives; staff noted that formally amending conditions of approval would require re‑noticing and a full hearing.
Outcome: Because the agenda item was non‑action (discussion only), commissioners asked staff to encourage the sponsor to consider softer permeable options and to provide clarification about stormwater treatment and feasibility rather than taking a formal vote.
