Provision of Security Guards to provide security services to sites within the Nuclear Decommissioning Estate, including NRS Sites (including transferring AGR Sites), Dounreay Site, Nuclear Transport Services (Specifically Direct Rail Services), Nuclear Waste Services and Vulcan. Security Services include the delivery of Guarding services, CCTV / alarm monitoring, Control of Access & Security Passes, Emergency Response, Patrols, Management of Visitors & Passes, Key Holding, Canine Detection, Reception Services and Alarm Response Centres.