Pursuant to 11 DCMR Subtitle X, Chapters 9 and 10, for a special exception under Subtitle E § 5201, from the lot occupancy requirements of Subtitle E § 304.1, and the rear yard requirements of Subtitle E § 306.1, and a special exception from the RF-use requirements of Subtitle U § 320.2, and a variance from the maximum number of dwelling unit requirements of Subtitle E § 302, to construct a rear deck addition and convert a flat to an apartment house in the RF-1 Zone at premises 1361 Oak Street, N.W. (Square 2835, Lot 73).