ABUTMENTMasonry, timber, or timber and earth
structures supporting the end of a bridge or an arch.
ACOUSTICAL TILEAny tile composed of
materials that absorb sound waves.
ALLIGATORINGA defect in a painted surface,
resulting from the application of a hard finish coat
over a soft primer. The checked pattern is caused by
the slipping of the new coat over the old coat. The
old coat can be seen through the cracks.
ANCHOR BOLTSBolts used to fasten columns,
girders, soleplates, or other members to concrete or
ANCHORSDevices giving stability to one part of a
structure by securing it to another part, such as
toggle bolts holding structural wood members to a
masonry block wall.
AS-BUILT DRAWINGSDrawings made during or
after construction, illustrating how various
elements of the project were actually installed.
ASPHALT SHINGLEA type of composition
shingle made of felt and saturated with asphalt or
ASTRAGALA closure between the two leaves of a
double-swing or double-slide door to close the
joint. This can also be a piece of molding.
BEARING PILEA pile carrying a superimposed
BERMAn artificial ridge of earth.
BINDERHot melted pitch (or asphalt) applied
between the layers of a built-up roof to bind the
layers of felt together.
BIRDS-MOUTHA notch cut in the lower edge of
a rafter, to fit over the top wall plate. Formed by a
level line and a plumb cut.
BREAKWATERA barrier constructed to shield the
interior waters of a harbor from wave forces.
BRIDGING-Crossed or solid supports installed
between joists (floor or ceiling) to help evenly
distribute the load and brace the joists against side
BULKHEADA retaining wall, generally vertical.
CAISSONA watertight box structure surrounding
work below water.
CANTILEVERA projecting beam supported only at
CASINGThe trim around doors and windows.
CHASEA vertical recess in a wall for pipes.
COFFERDAMA watertight enclosure.
COMPOSITE PILESPiles formed of one material
in the lower section and another in the upper.
CONCRETE PILESPiles made of concrete, either
cast in place or precast.
CORNICEThe area under the eaves where the roof
and sidewalls meet.
CREOSOTEA coal tar distillate used for preserving
CRIPPLEAny frame member shorter than a regular
CROWNThe outside curve of a twisted, bowed, or
DOLPHINA group of piles in water driven close
(clustered) together and tied so that the group is
capable of withstanding large lateral forces from
vessels and other floating objects.
DRESSINGTrimming or planing; usually applied to
DRY ROTFungus growth making wood soft or
DRYWALLA system of interior wall finish
sheets of gypsum board and taped joints.