Application of VI 3629 T Street, LLC, as amended, pursuant to 11 DCMR Subtitle X, Chapter 9, for a special exception under Subtitle D § 5201 from the rear addition requirements of Subtitle D § 1206.4, to construct a three-story rear addition to an existing one-family dwelling in the R-20 Zone at premises 3629 T Street N.W. (Square 1296, Lot 804).