Specifications include, but are not limited to: The San Francisco Housing Authority (Authority) is soliciting proposals (RFP) from qualified firms to provide Security Services at its sites. In general, this contract will be to provide various types of security services at Authority properties under a multi-year contract which will have options to extend service for up to five (5) years. Services shall consist of, but is not limited to, the following: ongoing security services and ongoing security services; armed, unarmed, mobile security, monitoring services, building access control, patrol services, package screening, parking control, incident investigation, communication with outside law enforcement agencies, execution of emergency procedures, security surveillance and any other security related service.