Architectural and Engineering Glossary
E
Same as face-bedded.
See beam.
A wood board that closes off the end of a cornice where there is no cornice return.
A grille through which air is exhausted from a conditioned space to the atmosphere.
An exhaust grille or any type of opening through which air is exhausted from a space.
An outlet duct from an exhaust fan through which foul air or gases are expelled to the atmosphere.
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The removal of foul air from a space by a mechanical means,such as a fan;fresh air is allowed to enter through available or controlled openings.
On drawings,abbr.for “existing.”
In regulations and in codes,a building which is already completed or which may be built under prior laws or regulations.
The grade 2 prior to excavation or filling.
That portion of a means of egress which is separated from the rest of a building by walls,floors,doors,or other means and which provides a reasonably protected path of escape for the occupants of a building in the event of fire.
That portion of a means of egress which leads to an exit.
A corridor or enclosed passageway connecting a stairway,fire tower,or other required exit with a street or alley or with an open space communicating with a street or alley.
A yard or court providing egress to a public way for one or more required exits.
See panic exit device.
That portion of a means of egress between the termination of the exit at the exterior of a building and the ground level.
A door that leads to an escape route to the exterior in case of fire;the door must carry an exit sign that conforms with the applicable code.
An illuminated sign used to identi an exit.
An enclosed means of egress connecting a required exit or exit court with a public way.
The narthex nearest the entrance,when two are present.
A loggia having a balcony.
Said of a reaction that occurs with the evolution of heat.
A plant that is not native to the locality or region in which it is being grown.
See expansive cement.
Clay which has been heated to a semiplastic condition and expanded to many times its original volume by the formation of internal gas;used as a lightweight aggregate.
A corner bead having wide expanded flanges that are easily flexed;provides increased reinforcement.
See foam glass.
A type of metal lath having an open mesh formed by slitting metal sheet;made in various patterns and metal thicknesses,with either a flat or an irregular surface.
Shale which has been heattreated so that it expands to many times its original volume;used as a lightweight aggregate.
Same as expansion bit.
Same as expansive cement.
A pile provided with a mechanical device at its lower end to expand the bottom so as to provide greater bearing and a higher resistance to uplift.
A conical vault.
The increase in length or volume of a material,or a body,caused by temperature,moisture,or other environmental condition.
An unfinished attic in a completed house,capable of being converted into livable area.
A support at the end of a span where provision is made for the expansion and contraction of the structure.
See expansion bend.
Same as expansion bolt.
A pipe sleeve which permits movement of the element that it houses.
