A woman who struck and killed an Ottawa teen while he rode his bike home from work last fall was sentenced to six years in prison Friday.

Samira Mohamed Daoud, 40, is also banned from driving for 10 years.

Daoud was arrested with more than three times the legal blood alcohol limit in her system the night 16-year-old Alex Hayes was killed. Witnesses said she visited at least two bars that night and then got behind the wheel, driving erratically for hours.

Daoud, who has a lengthy criminal record involving alcohol, pleaded guilty to impaired driving causing death in December.

However, Hayes' step-father says her sentence is not tough enough.

"She will be able to carry on with her life. I'm scarred for life; my family is scarred for life," said Mark Lesaux.

"I walk by his bedroom everyday; I see his pictures everyday; I'm always going to be lost without him, that's never going to change anything."

Hayes was riding his bike home from his part-time job at a grocery store in Greely, in south Ottawa, when he was struck by a vehicle and thrown into a ditch last September.

His parents reported him missing and his body was found three hours later.

The teen's family wore T-shirts to Daoud's sentencing hearing last month to push for a tough sentence. The shirts read: "More time for the crime: In memory of Alex Hayes 1994-2010".

Friends who attended Daoud's sentencing on Friday wore the same T-shirts to the courthouse. However, they were told to remove or cover them up because they created an inappropriate atmosphere in the courtroom that could be viewed as a political protest.

With a report from CTV Ottawa's Kristy Kirkup