Page 345 - directory final 2014/2015

Professional Service Providers - Quantity Surveyors

WIRE SIZE - Conductors for building wiring are available in AWG (American Wire Gauge) sizes ranging from No. 14 to
4/0. The larger the number size, the smaller the diameter. For example #10 is smaller than #8. The larger the diameter of a
wire, the lesser the resistance.
WOOD FIBER PLASTER - Consists of calcified gypsum integrally mixed with selected coarse cellulose fibers which
provide bulk and greater coverage. It is formulated to produce high-strength base coats for use in highly fire-resistant ceiling
assemblies.
WORK LIFE – The time during which a curing sealant (usually two compounds) remains suitable for use after being mixed
with a catalyst.
WYTHE - A continuous vertical section of masonry one unit in thickness. A wythe may be independent of, or interlocked
with, the adjoining wythe(s). A single wythe of brick referred to as a veneer.
Z
ZONE DAMS – Internal dams in curtain wall framing systems at the both ends of horizontal mullions, usually rubber plugs
installed at the union of horizontal framing to vertical framing, and designed to confine any water infiltration to each glass
lite, weeping the infiltrated water to the exterior via weep slots.
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Chamber of Construction Industry Sri Lanka Service Providers