Pursuant to 11 DCMR § 3103.2, for variances from lot occupancy, nonconforming structure, accessory building height and story limitations, alley setback and rear yard coverage requirements under sections 403, 2001.3, 2300, 2301, 2500 and 2500.4, to allow the construction of a new two car garage serving a flat in the R-4 District at premises 21 Quincy Place, N.W. (Square 3101, Lot 104).