This is a presolicitation notice only, not a request for quotes or proposals, and the government is not seeking submissions at this time. The requirement involves the removal and installation of dormitory mailboxes at Travis Air Force Base. Work will be performed at Buildings 1355, 1353, 1352, 1334, 1309, 1308, 1305, and 1304. Specific details are provided in the attached Statement of Work. No budget or performance timeline is specified in this notice.