The site security guard controls all vehicles and visitors to the construction site; logs the listing of all vehicles, deliveries and visitors on the construction site; as well as escorts visitors to the construction office, and secure entrance during non-operating hours.
There are three main types of security officers working for private and public businesses and individuals: government, in-house, and those working contractually for private security firms. Within those three main types, there are even more options – armed and unarmed, plainclothes or uniformed, on-site or remote.