Page 215 - directory final 2014/2015

Steel

PHOTO-OXIDATION - Oxidation caused by rays of the sun.
PITCH - A term frequently used to designate coal tar pitch.
PLAN SUBMITTAL - Submission of construction plans to the city or county in order to obtain a Building Permit.
PLANS - See Blue Prints.
PLASTER – cementitious wall, soffit, or ceiling finish system typically consisting of a expanded metal lathe attached to
backup structure/substrate, scratch coat, brown coat, and finish coat of cement, sand, water, and color.
PLAT - A map of a geographical area as recorded by the county.
PLATE LINE - The top horizontal line of a building wall upon which the roof rests.
PLATFORM FRAMING/PLATFORM CONSTRUCTION - The process of constructing a building in one or more consecu-
tively installed platforms. (Usually one story constitutes a platform.)
PLENUM CHAMBER - Chamber or container for moving air under a slight positive pressure to which one or more ducts are
connected.
PLOT PLAN - A bird’s eye view showing how a building sits on the building lot, typically showing setbacks (how far the
building must sit from the road), easements, rights of way, and drainage.
214 PLYWOOD -Wooden panels formed by gluing thin sheets of wood together, with the grain of adjacent layers arranged at
right angles.
POCKET (CHANNEL) – A three-sided, U-shaped opening in a sash or frame to receive glazing infill. Contrasted to a rabbet,
which is a two-sided, L-shaped sections as with face glazed window sash.

See page 223

Chamber of Construction Industry Sri Lanka Product & Material Suppliers