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Nomenclature

Anchor Bolt Plan


A plan view of a building(s) foundations showing all dimensions and sections required to properly locate the anchor bolts, including the projections of the bolts above the concrete surface, required recess, etc. Column reactions (magnitude and direction), and base plate dimensions are also included.

Anchor Bolts


Bolt used to anchor structural members to a concrete floor, foundation or other support. Usually refers to the bolts at the bottom of all columns and door jambs.

Approval Drawings


Drawings sent to the customer to verify design and dimensions and to verify the sales contract description of materials and services the manufacturer has agreed to furnish.

Approval Drawings


The endplate of a column which rests on the supporting substructure surface.

Bay


The space between the center lines of frames or primary supporting members in the longitudinal direction of the building. (Also called Bay Spacing or Bay Length.)

Brace Rods/Cables


Rods or Cables placed diagonally in the roof and walls for the purpose of transferring wind loads to the foundation and longitudinally stabilizing the building.

Building Width


The lateral width of the building measured from out to out of sidewall steel lines.

Canopy


An overhanging or projecting roof structure, below the eave level, supported at one end only.

Down spots


Cold‐formed sheet metal section used to carry water from the gutter of a building to the ground or storm drainage system.

Eave Height


The vertical dimension from the finished floor level to the top of the eave strut.

Eave


A line along the side wall formed by the intersection of the inside faces or planes of the roof and the sidewall panels.

Erection Drawings


Drawings and erection instructions which identify all the individual components in sufficient detail to permit the proper assembly of all parts of the metal building system furnished by the seller.

Erection


The onsite assembling of Pre‐fabricated components to form the complete structure.

Fascia


An accessory whose function is to enhance the appearance of a wall and also used to cover the eave or gable of building.

Flashing


A sheet metal closure used to provide weather‐tightness in a structure.

Framing


Primary and secondary members (columns, rafters, girts, purlins, brace cables, etc) which when connected together make up the skeleton of a structure to which the covering can be fastened.

Girt


Secondary horizontal member attached to the main frame columns. Girts normally support wall panels. It can be z section or c section.

Gutter


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

Louver


A wall opening provided with slanted blades, fixed or movable, to allow flow of air inside the building.

Mezzanine


An intermediate floor with in a building above the ground floor that occupies all or part of the building floor area and consists of columns, beams, joists, deck panels and edge trims to receive reinforced concrete.

Panel


A piece of roof or wall sheeting.

Purlin


A horizontal secondary structural member, bolted to the rafters, which transfers the roof loads from the roof covering to the primary frames. This is mostly Z section

Ridge Frame


A structural frame consisting of members joined together with rigid (or moment) connection so as to render the frame stable with respect to imposed loads, without the need for bracing in its plane

Ridge Ventilator


The Ventilator use at the ridge line. Roll‐Up Shutter: A door which opens vertically and is supported on a shaft or drum and runs along vertical tracks.

Roll‐Up Shutter


A door which opens vertically and is supported on a shaft or drum and runs along vertical tracks.

Roof Extension


An extension of the roof beyond the endwall and / or sidewall of a building. Roof Monitor: Raised gable, or portion of the main building, located at the ridge, to allow lighting and ventilation.

Roof Monitor


Raised gable, or portion of the main building, located at the ridge, to allowlighting and ventilation.

Sag Rod


A tension member used to limit the movement of a girt or purlin in the direction of its weak axis before the installation of sheeting.

Sheeting


The exterior cover for a building, generally light gage metal, which has been cold formed into a configuration having appearance, weatherproofing and structural qualities.

Sky Lights


At translucent panel at the roof/wall to transmit natural light. It is usually made of fiberglass.

Sliding door


A single or double leaf door which opens horizontally by means of overhead trolleys or bottom wheels.

Span


In Pre‐engineered Building distance between interior columns.

Wind Column


A vertical member supporting a wall system designed to withstand horizontal wind loads usually at end walls.