Architectural and Engineering Glossary

F

Festoon Lamp

A small incandescent lamp having a tubular bulb and a base at each end.

Festoon Lighting

Lighting by festoons of lamps connected by flexible electric wire.

Festoon Staining

A form of pattern staining on exterior walls of a building;is usually caused by differences in the flow of rainwater over the surface. 

Festoontab

A diagonally drawn festoon curtain.

FG

1.Abbr. for “flat (slash) grain.” 2.Abbr. for “fine grain.”

FH

1.Abbr. for “fire hose.” 2.Abbr. for “flat head.”

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FHA

Abbr. for Federal Housing Administration.

FHC

Abbr.for “fire-hose cabinet.”

FHWA

Abbr.for “Federal Highway Administration.”

Fiber House

Same as brush house.

Fiber Optical System

A system for conveying light through optical fiber cable,usually by the transmission of coherent light.

Fiber Saturation Point

When drying or wetting wood,the point at which the wood fibers are saturated but there is no water in the cell cavities.

Fiber Stress

The longitudinal compressive or tensile stress in a member,such as a beam.

Fiber-reinforced Concrete

See fibrous concrete.

Fibered Plaster

Gypsum plaster containing fibers of hair,glass,nylon,or sisal.

Fiberglas

A proprietary name for fiberglass.

Fiberglass Cloth

See glass cloth.

Fiberglass,fibrous Glass,glass Fiber

Filaments of glass,formed by pulling or spinning molten glass into random lengths;either gathered in a wool like mass or formed as continuous thread-like filaments having diameters in the range of 10 to 30 m.The wool-like material is processed into many forms of varying densities for use as thermal and acoustical insulation.The continuous-filament type is used for textiles,glass fabrics,and electrical insulation and as reinforcement for other materials.

Fibrous Concrete

Concrete containing asbestos,spun glass,or other fibers to reduce unit weight and improve tensile strength.

Fibrous Glass

See fiberglass.

Fibrous Plaster, Stick-and-rag Work

Cast plaster which has been reinforced with canvas,excelsior,etc.

Fiducial Mark

In surveying,an index line or point,used as a basis of reference.

Fief

In feudal England,the tenure of land or an estate subject to the feudal obligation of service and homage to the lord of the estate.

Field

1.The central portion of a panel that is thicker than its edges, so that it projects above the surrounding frame or wall surfaces.2.That
portion of the upper part of a wall between the cornice and dado or between the frieze and dado.
 

Field Concrete

Concrete delivered to,or mixed,placed,and cured on the job site.

Field Drain

Same as agricultural pipe drain.

Field Engineer

A term used by certain governmental agencies to designate their representative at the project site.Also see project representative. 

Field House

A large,long span structure used for athletic activities such as basketball or track events.
 

Field Joint

A connection between adjoining members or parts,made at the time of installation.

Field Order

A written order effecting a minor change in the work,1 not involving an adjustment in the contract sum or an extension of the contract time,issued by the architect to the contractor during the construction phase.

Field Painting

The painting of structural steel or other metals after they have been erected and are in their final positions in the construction.

Field Report

A report that is prepared by the architect,or his or her appointee,following a periodic inspection at the job site during construction;includes written information on the progress of the job,and sketches and photographs where appropriate.Also see punch list. 

Field Rivet

A rivet driven into a steel structure during its erection.

Field Supervision

That portion of the architect’s supervisory work which is done at the construction site.
 

Field Tile

Same as drain tile.

Field Work

Work done at the job site.

Fielded Panel

See raised panel.

Figure Abrupt

curly figures in wood,particularly maple and mahogany,caused by undulations in fiber alignment.

Figure Dimension

A dimension that is indicated numerically on a drawing.

Figured Glass

Translucent sheet glass,rolled with a pattern in bas relief on one face;light transmission is high;degree of obscurity varies,depending on pattern.

FIIC

Abbr.for field impact insulation class.

Filament

An incandescent lamp filament whose form and construction are designated by a letter:S,straight wire;C,coil;CC,coiled coil.

Filigree

Ornamental metal openwork of intricate design.

Fill Lighting

Supplementary illumination used to reduce shadows or the range of contrasts.

Fill Pump

A pump that supplies water to a gravity tank or to a pressurized storage tank;is usually of the centrifugal type because this type is readily available in a wide range of characteristics.

Fill Type Insulation

Same as fill insulation.

Fill Wire

Same as shute wire.

Filled Cell Masonry

Wall construction made with hollow masonry units in which all vertical cells and voids are filled by pouring grout,1 into them.

Filler Block

A concrete masonry unit used to fill in between joists or beams,providing a platform for a cast in place concrete slab.

Filler Coat

A coat of paint,varnish,etc.used as a primer.