2623 O Street, NW
No objection to concept design development as shown in supplemental drawings dated 4 February 2010. Recommend siding on east facade of first floor projection beyond second floor and on west facade of second floor addition; expression of brick party wall at second floor; mechanical equipment located below deck; extension of west fence in front of addition; and resolution of the height of the east fence. Recommend against proposed skylight and transom on kitchen window. File new submission of working drawings, including dimensions and details, with permit application for review by the Commission when ready.