City, state, federal, county executive and county controller's offices will be open.
Federal courts will be open.
The Court of Common Pleas, Department of Court Records, sheriff, district attorney and county treasurer's offices will be closed.
Trash will be collected on schedule.
Post offices and state liquor stores will be open.
Source:
http://www.post-gazette.com/pg/10306/1099912-454.stm#ixzz1469E9pJF