Grammercy Park residents Mark Rabner and Avi Remper have gone the self-watering rooftop deck one better with a Manhatan rooftop shower:
According to Barbara Riccardi, a rooftop designer with no apparent vested interests, "professionally upgrading" a rooftop with a deck or garden can cost $40,000 to $150,000. The DIY alternative cited by Newsday runs only $5,000, but apparently results in, uhm, plastic plants.
· Fiddling On The Roof [Newsday]