Technical Dictionary

P-TrapCurved, "U" section of drain pipe that holds a water seal to prevent sewer gasses from entering the home through a fixtures water drain. PC Item      See Prime Cost item. PCB    Any of a family of industrial compounds produced by chlorination of bi-phenyl, noted primarily as an environmental pollutant that … [Read more...] about P – Technical Dictionary

Obelisk           A tall pillar, square in cross-section, tapering upwards and with a pyramidal top. Occasional Table       A small table that can be moved from room to room and used for different purposes. Occupancy Permit     Issued by building authorities … [Read more...] about O – Technical Dictionary

NATANational Association of Testing Authorities. The national body that test laboratories are registered with. To have NATA registration requires a test laboratory to meet and maintain stringent test standards.  NURB surfaceNon-uniform rational B-spline. A mathematical model commonly used in computer graphics for representing and generating curves and … [Read more...] about N – Technical Dictionary

Maintenance   Process undertaken to keep the construction works in the same condition as at the end of the Creation Process or to restore it to that condition. Maintenance Manual Document that contains advice on care and servicing requirements of a construction works. Make Good    To restore new or existing work after being damaged; … [Read more...] about M – Technical Dictionary

Labelled Door (or Frame)      A door or frame that conforms to all the applicable requirements, in respect to fire resistance, of nationally recognised testing authority, and bears a label designating that fire rating. Also known as Fire-Rated Doors. Ladder-Back Chair    A chair made with a back of horizontal rails between … [Read more...] about L – Technical Dictionary

K-Value                                                    The measurement of the ability of the glass to transmit heat through its thickness when the difference between the temperature of the air on two sides is one degree. The lower the K-Value the … [Read more...] about K – Technical Dictionary