GLOSSARY

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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BUCKLING

A structural deformation or failure often characterized by bending, twisting or bowing, typically as the result of overloading or swelling from moisture saturation.


BUILDING ENVELOPE

The elements of a building, including all eternal materials, windows and walls, which enclose internal spaces.


BUILDING REGULATIONS

A collection of rules and regulations adopted by local authorities, governing the design and construction of buildings, their alteration, repair, use and occupancy.


BUILDING RELATED ILLNESS

(BRI) – A term that refers to a diagnosable illness brought on as a result of exposure to air in a building with specific contaminants or pathogens, and with a traceable aetiology (unlike sick building syndrome).


BULK WATER

Excess or unabsorbed water resulting from a sudden water release. Bulk water usually is removed by draining, pumping or vacuuming.


BYPASS MOTOR

A wet/dry vacuum motor that employs fans and centrifugal force, and two sources of air; working or vacuum air and motor cooling air.