What about the New zoning with increased FAR - I thought this was in one of the new zones?
http://www.phila.gov/Map?#id=757bbd2...84a1e88ca681c9
Based on the above map this would appear to be CMX-5 with a FAR of like 20 or something - that would probably mean zoned for up to like 600-700 (maybe even more) based on Walnut street I would think