Sip is the newest resident of a gleaming new residential building on Madison Street which looks across the street to the Koolhaas library. They carry more than 250 wines from around the world, including 70 by-the-glass options. But the best thing about this soon-to-open wine bar is its oasis of a patio, spotted weeks ago from the top of the Columbia Tower. You’ll have to wait months to get full use of it, though. “Landscaping and fire pits are on the way,” says Andrea Courtney of Randall PR, which represents the wine bar, “but construction is on hold for now, because of the weather.” The restaurant doesn’t open officially until this tomorrow, but today, a $20 entrance fee gets you into the grand opening (5-9 p.m.). Wine will be flowing, and the apps are free. Expect a crowd. All proceeds from the opening will benefit Saint Jude Children’s Research Hospital.Date/Time: Thurs., Nov. 19, 5-9 p.m.Location: Sip at the Wine Bar and Restaurant, 909 Fifth Ave., 682-2779. Price: $20.