cast iron fitting with thread [Street Elbow)TRAPprevents backflow of foul air/methane gasTRAP ARMbetween trap and ventTRAP SEAL(Seal, Water Seal)TUBEconduit/conductor (O.D.)
UNCONFINED SPACEvol. equal to 1.4 cu.mUNIT VENT(common vent; dual vent)VACUUM(siphonage)VACUUM BREAKER(Backflow Preventer)VENT PIPEfor ensuring circulation of airVENT STACK(Main Vent)VENT SYSTEMprotect trap seals from siphonage/backpressure
VERTICAL PIPEnot more than 45° with vertical lineWASTE(Liquid Waste; Industrial waste)WASTE PIPEfree from fecal matterWATER TREATMENTremove suspended solids by filtrationWATER DISTRIBUTING PIPE(Distributing Main)WATER MAIN(Main Water Line; Main Water Supply, Main Water Source, Street Main)
WATER SUPPLY SYSTEMwater service pipe, water supply line, water distributing pipe, branch pipes, fittings, valves, appurtenancesWET VENTvent pipe w/c liquid waste flowsWELDED JOINT/SEAMjoining of metal parts in plastic molten state
WYEhose connection; two-gated outletsYOKE VENTfor preventing pressure changes in the stacks
Taken from UST Architecture exams by Arch. Rafael AlliRecommended review material for UST Preboard ExamPrepared by: arkireviewph.multiply.com
Change in directionHighest horizontal distanceInside the building near the connection between the building drain and building sewer Outside the building at the lower end of the building drain and extended to gradeHorizontal drain serving sinks and urinalsEach run of piping more than 15m./50 ft.(8 possible locations accdg to exam -haven’t found other answers)
ShowerBathroom floorGarageNear water closetLaundry areaNear urinalKitchen?
A strong, rigid and economical plastic pipe. It resists a wide range of acids and bases but may be damaged by some solvents and chlorinated carbons.
A type of pipe manufactured from low expansion borosilicate having low alkali content; primarily used for the drainage of various corrosive liquids. It is very brittle and should be used when some measure of protection is provided against damage.
A valve that permits the flow of liquid in a pipe in one direction only and closes automatically to prevent backflow.