Great Colonnade at Apamea as part of the intersection. The colonnade was further intersected by side streets at regular intervals of . The colonnade passed through the center of the city and several important buildings were clustered around it, including the baths, the agora, the Temple of Tyche, the nymphaeum, the rotunda, the atrium church and the basilica. The street within the colonnade was wide and paved with large polygonal limestone blocks. On either side of the street a wide colonnade ran its full length. The columns were high and in diameter. They stood on square bases of on a side and high. The
Architectural ironmongery diploma course and a Registered Architectural Ironmonger (RegAI) scheme. Architectural ironmongery Architectural Ironmongery or (Architectural Hardware) is a term used for the manufacture and wholesale distributor of items made from iron, steel, brass, aluminium or other metals, including plastics, for use in all types of buildings. The Architectural Ironmongery range includes door handles, closers, locks, cylinder pulls and hinges ("door furniture"), window fittings, cupboard fittings, iron railings, handrails, balustrades, switches and sockets. The term is sometimes used to distinguish between these items and retail of consumer goods sold in ironmongers' shops or hardware stores. Use of ironware in buildings has