633 3rd Street, NW
No objection to the final design for modifications to existing penthouse- and roof-mounted cellular antenna arrays, per materials received 1 September 2022. Scope of work includes removal of 4 existing antennas and installation of 9 new antennas; replacement of 9 existing amplifiers with 6 remote radio heads; installation of 3 cabinets to the existing platform; and new cabling and electrical support equipment. All antennas would be painted to match the building facade. Refer to DC Historic Preservation Office.