Convert 2 dwelling units (d.u.) to 4 d.u. add new d.u. in basement, new 3rd floor conversion unit to be duplexed with 4th floor, erect new rear 2 story with basement addition, new 3rd and 4th story additions to existing 2 story frame building with basement, new rear open metal porch, front porch replacement same size and location, fully sprinklered (under separate permit) building, work includes: architecture, plumbing, hvac & electric. as per architect's plans. **certified plans corrections: conditional permit subject to field inspections ** (new brick 2 car garage rear coach house with 2 parking spaces and roof top deck under permit number 101081600)