Cap Plan Flashcards
Friable
Soil that is easily crumbled or reduced to powder.
Insulating Glass
Two sheets of glass with an air space between, to insulated against the passage of heat or sound. Also called double glazing.
rabbet
A groove cut into a member to receive another member.
wood
The hard fibrous substance lying beneath the pith and bark of a tree.
valley
The interior trough formed by the intersection of two sloping roof surfaces.
glazing
The work of installing glass in a frame.
Sealant
Material used to prevent the passage of liquid across a joint or opening.
Preservative
A substance that inhibits the development and action of fungi, borers and insects that deteriorate wood.
Hight-carbon Steel
Steel having carbon content over 0.5%. In general, increased carbon content increases strength and hardness but decreases ductility.
ASTM
American Society for Testing and Methods
Bulletproof glass
Glass which has four or more layers of glass laminated to three or more layers of plastic, used where strong impacts may occur.
Asphalt saturated felt
A roofing material applied in several layers to create a built-up composition roof.
Stile
The upright or vertical edge of a door or window.
Built-up roofing
Roofing made up of plies of saturated roofing felts alternated with layers of pitch or hot asphalt cement and surfaced with gravel or a cap sheet.
Weep hole
A small hole near the bottom of a retaining wall, usually backfilled with gravel, to allow water to drain the outside and thus avoiding hydrostatic pressure.
Unified Soil Classification System
The most widely used system for classifying soils. In this system, the soils are primarily classified as coarse-grained (grave & sand), fine-grained (silts and clays) and highly organic.
Plunger
The driving device of a hydraulic elevator. which is powered by liquid under pressure within a cylinder. Also called a ram.
Sill
The lower horizontal member, extending between jambs, which forms the bottom of a window or other frame.
hydraulic elevator
An elevator operated by fluid pressure from below, which raises or lowers the elevator car.
Baluster
A vertical support for a handrail.
Bullnose
A rounded exposed edge
Malleability
The ease with which metal can be shaped by hammering or by machine.
pith
The heart center of a log.
California bearing ratio (CBR)
A ratio used to determine the bearing capacity of a soil, based on a standard test.
Hoistway
A vertical shaft that accommodates one or more elevators, conveyors or dumbwaiters.
Cold joint
A joint formed when a concrete surface hardens before the next batch of concrete is placed against it.
Construction joint
The joint between two successive concrete pours. Construction joints are usually located where the shear is minimum, such as at a midspan of beams.
parging
The application of plaster tot he back of masonry walls.
hardness
A metal’s resistance to abrasion and penetration.
green
lumber that has not been seasoned and whose moisture content is close to that of the living tree.
K-value
Thermal conductivity of a material.
weatherstripping
Stripping applied to the exterior doors or windows to make them weathertight.
Cylinder test
A test to determine the compressive strength of concrete by subjecting a stander cylinder of hardened concrete to compression in a testing machine.
grade SW (severe weather)
The grade of brick used where hight resistance to freezing and thawing is required.
Dry pipe sprinkler
A sprinkler system whose pipes are normally pressurized with only air, thus being invulnerable to freezing temperatures. Upon actuation, the air is vented and supply pressure forces water through the system.
Cavity wall
A wall built of two or more wythes of masonry units with a continuous air space within the wall. The wythes must be tied together with noncorrosive metal ties.
Solid core door
A door that has a core of solid wood or other solid material.
galvanic action
The deteriorating reaction between dissimilar metals that are in contact in the presence of moisture. Also called electrolysis.
Softwood
The wood of various coniferous (cone-bearing) evergreen trees, such as cedars, pines and firs.
safety glass
Laminated glass, consisting of a thin sheet of transparent plastic laminated between two layers of clear glass. Also called shatterproof glass.
Elastomeric flooring
Synthetic resins applied in liquid form, producing a durable seamless floor surface.
cribbing
a cellular framework that is filled with rock or soil to retain an earth embankment.
soil
A natural material, formed of decomposed and disintegrated parer rock, that can support plant life.
earthwork
Removing and/or adding earth in order to bring the ground surface to a specified elevation or profile. Also called grading.
perm
The unit of permeability for a given material, expressing the resistance of the material to the penetration of moisture. One perm is equal to the flow of one grain of water vapor through one square foot of surface area per hour with a pressure difference of one inch of mercury.
elevator cab
The load-carrying unit of an elevator, including its platform, frame, enclosure, and door. Also called and elevator car.
Sound transmutation class STC
A single-number rating for the evaluation of a particular cross-section in terms of its transmission of airborne sound. The higher the STC rating, the more effective the contraction is at stopping airborne sound.
reinforcing steel
Round steel bars with surface deformations that are placed in the forms prior to casting of concrete and that primarily resist tension.
terne plate
steel coated with lead and tin, used for roofing and flashing.
bronze
an alloy of copper and tin
moving stairway
A continuously moving, power-driven mechanical device that transports passengers along an incline from one floor to an other. also referred to as an escalator.
water table
The level below which the subsoil is completely saturated with water Also called the groundwater level.
veneer
Masonry finish material which is attached, but not structurally bonded, to the backing. Also, a thin layer or sheet of wood produced by slicing or rotary cutting.
annealed glass
Ordinary window glass that has been cooled slowly to avoid locked-in thermal stresses.
water-cement ratio
the ratio of water to cement in a concrete mix, the main factor that determines concrete strength.
aggregate
The chemically inter element of concrete, usually consisting of sand, grave and/or granular material.
car bumpers
A device located at he bottom of an elevator hoist way, used to stop a cab’s overtravel at low speed, not to stop a free-falling cab. Also called a buffer.
compacted fill
Fill that has been densified by the application of pressure, usually by mechanical equipment, in order to increase its stregth and stability and reduce its settlement. Properly compacted fill is often suitable for the support of building footings.
plastic limit
The moisture content at which a soil starts to change from a semisolid to a plastic state.
sand
Granular material, ranging from 3/8” to 1/200”
bond
An arrangement of the elements of a masonry wall to provide strength by lapping the units. Also refers to the pattern formed by the exposed faces of the units.
heat-absorbing glass
Tinted glass that absorbs a percentage of solar radiation. Also called actinic glass.
mullion
A vertical member between windows or doors.
mastic
A permanently plastic waterproof adhesive material used in sealing joints.
bed joint
The horizontal bed mortar joint in masonry work.
air entrainment
The incorporation of tiny air bubble into concrete to improve its workability and resistance to frost.
expansive soil
A fine-grained cohesive soil that undergoes large volume changes with changes in moister content.
metal decking
Sheet steel in corrugated, ribbed or cellular form and used for structural load-carrying purposes in floor or roof construction.
concrete block
A hollow concrete masonry unit.
ledger
a horizontal member supporting joists.
sheepsfoot roller
a large-toothed roller used for the compaction of soil.
frost line
the maximum depth of frost penetration in the ground expected in a given area.
steel
an alloy of iron and carbon with a content between 0.1% and 1.7% (more than wrought iron and less than cast iron has)
architectural bronze
An alloy of copper, zinc, lead and tin used for moldings and forging.
batter boards
Reference points offset a given distance from the building line and set prior to excavation.
roof pitch
The sloe of incline of a roof expressed in degrees or as the ratio of a vertical rise to the horizontal run.
Threshold
A member beneath a door, to cover the floor joint or provide weather protection. Also called a saddle.
Masonry
Brick, block, tile, stone or similar materials bonded together with mortar.
double-acting door
A door having hardware that permits it to swing in either direction from the plane of its frame.
mandrel
A solid core used in driving a shell pile into the ground. When the driving is complete, it is removed and shell is filled with concrete.
bar chair
a device used to support reinforcing bars during the placing of concrete.
dry rot
timber decay due to fungus, in which pockets of dry powered develop.
split
Lengthwise separation of wood extending from one face through to the opposite face.
metal lath
Sheet metal or wire fabric into which a base coat of plaster is keyed.
wane
Bark or lack of wood on the edge or corner of a piece of wood.
brown coat
The second coat of plaster, in three-coat plastering, which is applied over the scratch coat and beneath the finish coat. The large proportion of sand in this mixture gives the coat its name.
buck
a door frame of wood or metal to which the finished frame is attached.
organic soil
soil with a high organic content (decomposed vegetable or animal matter). Organic soils are usually very compressible and have very low bearing capacity.
mortise lock
a lock installed in a rectangular opening cut in the door, rather than on the door’s surface
acoustics
The science of sound and sound control
clay
a fine-grained, cohesive, inorganic soil.
panic hardware
a door-latching assembly that will open the door if subjected to pressure.
winder
A step in a spiral stairway that is wedge-shaped, with its tread wider at one end than the other.
compression zipper gasket
A prefabricated strip of molded or extruded material used in a dry glazing process. Also referred to as a glazing gasket.
modular
Describing a system composed of standardized units or section used for simplified construction or flexibility.
epoxy
A synthetic reside having excellent adhesive properties.
alkyd
A synthetic resin used as a vehicle for paint.
leader
A vertical pipe used to conduct roof water tot he ground. Also called a downspout.