Kimpton Hotels & Restaurants, San Francisco, says Wachovia Bank has agreed to lend $50 million to turn the Architect’s Building, 117 South 17th St., near Rittenhouse Square, into a 230-room Hotel Palomar, with a ground-floor restaurant and bar, to open in late 2009. Cushman & Wakefield Sonnenblick Goldman, New York, arranged the loan for Kimpton.