Pursuant to 11 DCMR §§ 3104.1, 3103.2 and 1906.1, for a variance from the public space at ground level requirements under section 633, a variance from the lot occupancy requirements under section 634, and a variance from the rear yard setback requirements under section 636, and special exceptions from the setback requirements under subsection 1902.2 and the parking for historic structures requirements under subsection 2120.6, in the ARTS/CR District at premises 1921-1923 14th Street, N.W. 1925 14th Street, N.W., and 1351 Wallach Place, N.W. (Square 237, Lots 180, 196 and 806).