PALO ALTO (CBS SF) – Officials in Palo Alto asked a contractor to repair sidewalks, after complaints that the polished glass in the sidewalks has become a hazard for pedestrians.

According to Palo Alto Weekly, “glass aggregate” was recently installed on sidewalks at California Avenue, as part of a streetscape project.

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Resident Ronna DeVincenzi told the council pieces of glass have become loose, creating a hazard for people wearing sandals or who are barefoot. The resident also said the shards are also ending up on people’s shoes and possibly on pets’ paws.

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City officials said they found parts of where the glass was installed incorrectly and said the problem will be resolved when the glass is replaced, the newspaper reported.

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According to the city’s website (.pdf) the California Avenue streetscape project also includes upgraded crosswalks, enhanced bicycle parking and a new fountain.