This document provides details regarding a pre-solicitation for the Security System Design and Integration II contract opportunity with the Department of Transportation Federal Aviation Administration. The FAA requires a complete technical refresh of security systems at staffed facilities, including replacement of integrated physical access control, surveillance, and perimeter intrusion detection systems. Access control systems must meet HSPD-12 and NIST FIPS requirements and be on the GSA approved parts list. All facilities must be accessible for remote monitoring by the FAA's Physical Security Enterprise Management System. This is a follow-on contract to the incumbent, Versar Security Systems, LLC. The acquisition strategy will be unrestricted competition under NAICS code 561621, Security System Services, with a size standard of $20.5 million. Interested parties must register in SAM and agree to document security requirements to obtain further solicitation documents. Comments are due by August 3, 2017 in response to this pre-solicitation notice.