N

Same as cogging joint. 

A notice contained in the bidding requirements informing prospective bidders of the opportunity to submit bids on a project and setting forth the procedures for doing so.
 

Written communication issued by the owner to the contractor authorizing him to proceed with the work,1 and establishing the date of commencement of the work. 

Flooring which is laid in an unusual pattern.
 

See drop siding.

1.The projecting part of a faucet,or the end of a pipe or hose.2.A welding nozzle.3.In a fire sprinkler system,a sprinkler which provides a special water discharge pattern,directional spray pattern,or other unusual characteristic.

On drawings,abbr.for nipple.

On drawings,abbr.for “nominal pipe size.”

See noise reduction.

Abbr.for noise reduction coefficient.

Abbr.for nit.

Abbr.for “net weight.”

Abbr. for “not to scale.”

In ancient construction,the internal part of the flooring,consisting of a strong cement,over which the pavement was laid,bound with mortar.

In seam welding,spot welding,or projection welding,the weld metal which joins the parts.

The width or diameter of a nugget,measured in the plane of the interface between the pieces which are joined.

1.A public nuisance is said to exist in a building,structure, or premise:(a) if it is insufficiently cleaned,drained,lighted,or ventilated for the intended usage,(b) if it poses conditions detrimental to public health or dangerous to human life,and/or (c) if its air or water supplies are unwholesome.2.A continuing legal wrong,usually committed by an owner or occupant of property on neighboring persons or property.

A quadrant shaped detail on decorative moldings,esp.in Jacobean architecture.

A convent for females.

A seating area in a church which  is reserved for nuns attending mass.

Prehistoric round towers and agglomerations of stone huts peculiar to Sardinia.

In a hospital,an electrically operated system by which patients or personnel can summon a nurse from a bedside station or from a duty station.

1.A room or place set apart for small children.2.A place where plants,shrubs,and small trees are grown,usually for transplanting elsewhere.

A school for children of about 3 to 5 years of age.

A building or part thereof used for the lodging,boarding,and nursing care,on a 24-hr basis,of four or more persons who,because of mental or physical incapacity,may be unable to provide for their own needs and safety without the assistance of another person; provides facilities and services primarily for in patients who require nursing care and related medical services less intense than those given in a general hospital or an extended care facility.

A short metal block having a central hole which is threaded to receive a bolt,screw,or other threaded part.(See illustraion p. 670.)

A common ornamental feature of Early English work in the north of England,resembling a half a nutmeg.

A generic name for a family of polyamide resins of extreme toughness;used to make fibers and fabrics.

A room decorated with plants,sculpture,and fountains (often decorated with nymphs),and intended for relaxation.