This UFC provides design requirements and guidance for the design of ESS. It is not intended to create the requirement for an ESS, but rather to assist in designing systems that meet an established requirement and to give guidance to commanders, architects, and engineers on designing an ESS for new projects. Headquarters, Major Command, and installation physical security personnel should be consulted for DoD and Service directives outlining ESS requirements for asset protection. The ESS requirement may come from DoD policy, service policy, installation requirements, or user requirements. Projects may include new construction, additions, renovations, expeditionary, or temporary construction.