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Damper - A baffle used to open or close
the throat of ventilators.
Dead Load - The weight of the metal
building system construction, such as roof, framing, and covering
members.
Deflection - The displacement of a structural member or
system under load.
Design Loads - The loads expressly specified
in the contract documents which the metal building system is designed to
safely resist.
Diagonal Bracing - See "Brace Rods". Diaphragm
Action - The resistance to racking generally offered by the panels,
fasteners, and members to which they are attached.
"Dogleg" - An
extension of an end post that is welded onto the outside flange of the
column.
Door Guide - An angle or channel guide used to stabilize
or keep plumb a sliding or rolling door during its
operation.
Downspout - A conduit used to carry water from the
gutter of a building.
Drift Pin - A tapered pin used during
erection to align holes in steel members to be connected by bolting.
Eave - The line along the side wall formed
by the intersection of the planes of the roof and wall. Eave Gutter- See
"Gutter".
Eave Height - The vertical dimension from finished
floor to the eave.
Eave Strut - A structural member located at
the eave of a building which supports roof and wall
paneling.
Elastic Design - A design concept utilizing the
proportional behavior of materials when all stresses are limited to
specified allowable values.
End Bay - The bays adjacent to the
end walls of a building. Usually the distance from the end wall to the
first interior primary frame measured parallel to the ridge.
End
Frame - A frame located at the end wall of a building which supports
the loads from a portion of the end bay.
End Post - See "End
Wall Column".
End Wall - An exterior wall which is perpendicular
to the ridge of the building.
End Wall Column - A vertical
member located at the end wall of a building which supports the girts. In
beam and column end frames, end wall columns also support the
beam.
End Wall Overhang - The projection of the roof past the
end wall.
Erection- The on-site assembling of fabricated components to
form a complete structure.
Erection Plan - See "Framing
Plans".
Expansion Joint - A break or space in construction to
allow for thermal expansion and contraction of the materials used in the
structure.
Exterior Framed - A wall framing system where the
girts are mounted on the outside of the columns.
Fabrication - The manufacturing process
performed in a plant to convert raw material into finished metal building
components. The main operations are cold forming, cutting, punching,
welding, cleaning, and painting.
Facade - Architectural
treatment given to the front or any exterior surface of a
building.
Fascia - A decorative trim or panel projecting from
the face of a wall.
Field - The "job site", "building site’, or
general marketing area.
Filler Strip - See "Closure".
Film
Laminating Coil - Coil metal that has a corrosion resistant film
laminated to it prior to the forming operation.
Fixed Base - A
column base that is designed to resist rotation as well as horizontal or
vertical movement.
Flange - The projecting edge of a structural
member.
Flange Brace - A bracing member used to provide lateral
support to the flange of a beam, girder, or column.
Flashing - A
sheet metal closure which functions primarily to provide weather tightness
in a structure and secondarily to enhance appearance.
Flush
Frames - A wall framing system where the outside flange of the girts
and the columns are flush.
Footing - A pad or mat, usually of
concrete, located under a column, wall, or other structural member, that
is used to distribute the loads from that member into the supporting
soil.
Foundation - The substructure which supports a building or
other structure.
Frame - Primary structural member (columns and
rafters) which support the secondary framing.
Framed Openings -
Jambs, headers, and flashing which surround an opening in the wall of a
metal building.
Framing - The skeleton parts of a building which
provide structural support and stability.
Framing Plans - Roof
and wall framing (erection) plans that identify individual components and
accessories furnished by the manufacturer in sufficient detail to permit
proper erection of the metal building system.
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