A burst sprinkler head caused by cold pipes in a parking garage prompted the evacuation — and possible multi-day closing — of St. Paul’s Rondo library Thursday.

About 1 p.m., a sprinkler burst in a non-public area containing staff members’ desks and lockers, and everyone in the library was evacuated.

Library spokeswoman Phoebe Larson said she did not know if there was any damage to materials, but noted the affected area was not typically used to store books.

The library has some apartments above it; those apartments are on a separate plumbing system and are unaffected by the burst, Larson said.

Staff members waited in a nearby grocery or in the lobby of the upstairs apartment complex as firefighters arrived. Related Articles St. Paul district reports enrollment drop as pandemic moves school online

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A preliminary investigation determined that a pipe in the residents’ above-ground parking garage — which sits directly above the staff area — froze, causing the sprinkler head to burst.

Larson said Thursday afternoon that damage to the building was still being assessed and the library could potentially be closed for the next couple days while repairs are made. Updates will be posted on the library’s website and Facebook page.