BERKELEY (CBS SF) — A victim of last year’s Berkeley balcony collapse is speaking out about the worst night of her life and what the state can do to prevent future catastrophes.

Aoife Beary spoke Wednesday morning in Sacramento to urge the passage of a bill that would help regulators identify bad contractors.

READ MORE: Evacuation Warnings Issued for San Mateo County Areas Burned by CZU Lightning Complex Fire

Six Irish students were killed in the collapse in June 2015. Beary had been celebrating her 21st birthday.

She suffered major injuries and says her birthday will forever be a reminder of the loss of her best friends.

READ MORE: Police Investigation of Shattered Vehicle Windows Temporarily Shuts Highway 17 Saturday

“I could never have imagined how it would have ended,” she said. “All our lives have been irrevocably changed and life will never be the same for us again.”

Investigators say poor waterproofing led to the collapse.

MORE NEWS: Russian River Rubber Dam Deflated Due to Impending Storm

It was later discovered that the contractor had paid out $26 million in defect settlements in the past three years.