The rooftop tower is yet to come, but it is in the sketches, as well as secret passageways and a spy hole hidden in a painting.
The Conch Shell Drop at Sloppy Joe's Bar, the old Hemingway hangout at 201 Duval Street, (305) 294-8759 or www.sloppyjoes.com, features a six-foot plastic-foam conch lowered from a rooftop tower as giant champagne bottles spray the crowd with confetti.
And it will be planted 14 stories in the air, at the doorstep of his new home in the base of a turreted rooftop tower designed in 1928 by Emery Roth to hide a wooden water tank at the Devonshire House, on East 10th Street and University Place.
Even their rooftop towers are different: No. 770's is trim and smooth, No. 778's more robust, like a garden temple.
Like other fans of white brick, Ms. Bollack and Chris Fogarty, also an architect, talk approvingly of the buildings' simple lines and unadorned exteriors, the trim gray window frames, the rooftop towers enclosed with decorative brick, the setbacks lined with terraces, the glazing that was supposed to have made the buildings self-cleaning.
Built between 1883 and 1888, the building highlights several influences, particularly a Moorish influence, which is evident in the rooftop towers.
Since being awarded this public commission in 1996, Whiteread has completed an acclaimed transparent cast of a rooftop water tower in New York, which stood on the skyline with other water towers, advertising signs, satellite dishes and aerials.
Climbers that they were, the firefighters had attached a TV antenna to their rooftop radio tower.
The rooftop water tower painted to suggest Necco's pastel candy wafers, a familiar Cambridge landmark, will be retained.
Jorge Colombo sketches a rooftop water tower, which is also this week's cover of the magazine, using Brushes, an application for the iPhone.
Its offices fill an airy, art-filled, atticlike space directly under the building's rooftop clock tower, giving the impression of a well-appointed garret.
