Roman army of the mid-Republic x 700m = ca. 50 hectares). Along the perimeter, a ditch ("fossa") would be excavated, and the spoil used to build an earthen rampart ("agger") on the inside of the ditch. On top of the rampart was erected a palisade ("vallum") of cross-hatched wooden stakes with sharpened points. Within this precinct, a standard, elaborate plan was used to allocate space, in a pre-set pattern, for the tents of each of the various components of the army: officers, legionary infantry (split into "hastati", "principes" and "triarii") and legionary cavalry, Italian allied infantry and cavalry, "extraordinarii" and non-Italian allies. The idea was
Perimeter fence Ornamental metal railings have also been employed. Perimeter fence Demarcation of a perimeter, when the protection of assets, personnel or buildings is required, is normally effected by the building of a perimeter fence system. The level of protection offered varies according to the threat level to the perimeter. Different types of perimeter fencing include: Since the 2000s, welded wire mesh fencing has become one of the most popular types of perimeter fence around the world. It is used in commercial projects, industry, in sports, in schools, and in airports. Domestic and residential projects have since the 1990s featured timber fencing