09/16/2009 AT 01:25 PM EDT
The State of Virginia isn't horsing around when it comes to Chris Brown
's debt to society for his assault on Rihanna
Brown, 20, wearing a reflective vest and a red cap, was seen cleaning the grounds in and around a Virginia police horse stable Wednesday, part of his six-month community labor sentence
The singer, who has repeatedly apologized
for his crime, Tweeted Wednesday: "On my way to community service."
Brown's sentence, which amounts to more than 1,400 hours, will also include graffiti removal, washing cars, and cleaning and maintaining other grounds.
He will also serve a five-year probation sentence, attend a year of domestic violence classes and pay fines. Plus, he is also forbidden from contacting Rihanna for the next five years.