July 17, 2015 @ 9:00 am - 1:00 pm Volunteer Work Day: Green Playces Northside Unnamed Venue Columbia Place, Pittsburgh Join us on our 1st Work Day to start building a fence around the site while prepping the area for a large work day on the 23rd of July. Come out and help us build an outdoor classroom for Propel: Northside. The vacant lot is located on Columbia Place, Pittsburgh, 15212.