Ground level (or elevation) surrounding a building.

Welded framework of crossbars used in flooring of equipment platforms, platform walkways, catwalks and stair treads.

Non-shrinking sand and cement based mixture used under base plates to obtain a uniform bearing surface.

Steel stiffener plate used to help distribute load at a connection.

Pre-formed light gauge metal channel at the roof, along the sidewalls, or in valleys of multi-gabled roofs for the collection of rainwater.