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Designers propose traffic‑rated planters and sandstone outcrops to protect library and admin building; commissioners press on cost, maintenance, liability
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Summary
Designers presented a two-part safety barrier for the county administration building and Aspen library: movable traffic-rated planters and a serpentine sandstone outcrop sculptural wall. Commissioners raised questions about bike parking, maintenance costs, child-safety liability, and CDOT/City review requirements.
Designers and county staff presented a safety-barrier concept on April 14 to protect critical entrances at the Pitkin County administration building and the Aspen library.
Patrick Raleigh of Raleigh Design Planning described the design intent: “the goal is to enhance safety and protect life and property with thoughtfully designed site-specific solutions that are minimally invasive,” he said, explaining the team sought materials and forms that tie to local architecture and allow maintenance and snow removal.
The concept has two principal elements: (1) traffic‑rated planters that use mass rather than bolts or excavation to stop a vehicle while preserving existing snow-melt infrastructure, and (2) a serpentine stone outcrop sculpture — stacked, triangular sandstone blocks at varying bumper and seating heights intended both to deter vehicles and to serve as a landscape/amenity element. Designers said the planters will sit on the existing concrete so they can be moved for maintenance; they also proposed increasing bike parking depth in some locations and adding additional racks in the tree lawn subject to CDOT licensing.
Commissioners and trustees pressed designers on several points. Multiple board members questioned maintenance and long‑term costs if planters require annual planting and irrigation, and whether planters would sit empty much of the extended winter. One commissioner also voiced liability concerns about pointed sandstone elements where children might play, saying, “I can just see a kid coming out with their arms full of books, tripping and falling,” and urging attention to edges and heights. Designers said they would balance the library board’s request for lower features with safety needs, and would orient and detail the blocks to avoid creating ramps or drive-over opportunities.
Board members also questioned the visual treatment and the use of sandblasted pavers across lawn areas and noted that sandblasting and cutting slabs near snow-melt piping could cause freeze‑thaw and maintenance issues. Designers responded that the plan is intentionally noninvasive where snow-melt piping exists and that visual continuity could be achieved with sandblasted patterns rather than invasive cuts in all locations.
On approvals, the team said the City of Aspen would review the PUD amendment and community development director would handle review conditions rather than a public vote; CDs and ROW encroachments may require a revocable license from CDOT. Designers proposed matching sandstone colors to existing local materials (lion’s red sandstone and prairie gold) and said they would return with final selections if the board wished.
What’s next: staff said the library board approved the concept in February; designers said they can advance the 50% design-development package and, if the board is comfortable, proceed to ordering materials and move toward implementation while addressing the board’s maintenance and liability concerns.
