The 633d Contracting Squadron anticipates procuring services for the complete exterior cleaning (pressure or soft wash) of Facility 1302 located at Langley Air Force Base (586 Weyland Rd, Langley AFB,... The 633d Contracting Squadron anticipates procuring services for the complete exterior cleaning (pressure or soft wash) of Facility 1302 located at Langley Air Force Base (586 Weyland Rd, Langley AFB, VA 23665). The aim is to remove algae, mold, dirt, grime, mildew, and debris from the building?s visual surface, including brick, fa?ade, and windows, thus enhancing its appearance and maintaining the structural integrity.