Part of Calgary's downtown Plus 15 network was closed early Monday morning as water gushed from a damaged sprinkler pipe in the ceiling.
Tanya Colwell happened upon the scene at about 7:50 a.m. as she exited a nearby parkade on her way to work.
"The security guard said, 'Don't worry. We have everything under control, but you'd better get out because the ceiling is about to collapse,'" she said. "So that was quite a surprise."
Colwell said the elevated walkway in the 700 block of Fifth Avenue S.W. had already been closed in other directions, except for the entrance from the parkade that she used to access it.
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Fire crews arrived shortly afterward and crews used a sump pump to drain water into the alley outside, before leaving the building in the hands of management.