plumbing code

Alley-

any public space, publicpark or thoroughfare less than 3mbut not less than 2m in widthdedicated or deeded for publicuse.

AIRBREAK-

a physical separation, whichmay be a low inlet into the indirect wastereceptor from the fixture, appliance ordevice indirectly connected.

AIRGAP,DRAINAGE-

the unobstructed verticaldistance through the free atmosphere between the lowest opening from any pipe or faucetconveying potabl

BACKFLOW

- the flow of water or otherliquids, mixtures or substances into thedistributing pipes of a potable supply of waterfrom any source other than from its intendeduse.

BACKFLOW CONNECTION-

condition orany arrangement whereby reverse flow canoccur.

BACKPRESSURE BACKFLOW-

occursdue to an increased reverse pressureabove the supply pressure. This may bedue to pumps, boilers, gravity or othersources of pressure.

BACKFLOW PREVENTER-

device ormeans to prevent flow of liquid fromreturning to the source of supply. Alsocalled vacuum breaker.

BACK- SIPHONAGE-

the flowing backedof used, contaminated or polluted waterfrom a plumbing fixture or vessel into awater supply pipe due to a negativepressure in such pipe.

BACKWATER VALVE

a device installed ina drainage system to prevent reverse flow.

BACKVENT PIPE-

the part of vent line,which connects directly and extends tothe branch or main vent pipe at any pointhigher than the fixture or fixture traps itserves. This sometimes called individualvent.

BALL COCK

- a valve opened and closedby the fall and rise respectively, of anattached ball floating on the surface of theliquid.

BATTERY OF FIXTURES-

Any of two ormore similar adjacent fixtures whichdischarge into a

FLANGE-

projecting flat rim, collar, or ribon an object, serving to strengthen orattach or (on a wheel) to maintain positionon a rail.

BLOW OFF

– a controlled outlet of apipeline to discharge liquid or detritus.

BUILDING DRAIN –

that part of the lowesthorizontal piping of a drainage system whichreceives the discharge from soil, waste and otherdrainage pipes inside the walls of a building andconveys it to the building sewer beginning 0.6moutside the building wall.

BUILDING SUBDRAIN –

that portion of anunderground system, which cannot drain by thegravity into the building sewer.

CAULKING.

Plugging an opening with oakum, lead orother materials that are pounded into theannular space. Also, the material poundedinto the annular opening

CESSPOOL .

– a non-watertight line excavationin the ground which receives the discharge of asanitary drainage system

CORPORATION COCK-

A stop valve placed at the connection ofthe water service pipe to the water main.

CONDUCTOR/DOWNSPOUT

Vertical rainwater.pipe to convey

FAUCET

valve located at the end of a water pipethrough of which water be drawn from or heldwithin the pipe .

GREASE INTERCEPTOR ➢

an interceptor of at least 3 cubic meterscapacity to serve one or more fixtures andwhich is remotely located

LATRINE –

➢a water closet consisting of a continuoustrough containing water. The trough extendsunder two or more adjacent seats. Prohibitedby health installations.

OAKUM ➢ .

hemp or old hemp rope soaked in oil or tar to make it waterproof

Polybutylene

The cross-sectional shape is normally oval

Polyethylene

The cross-sectional shape is circular

PRESSURE

The normal force exerted by a homogeneousliquid or gas, per unit of area on the wall of thecontainer.

STATIC PRESSURE

➢The pressure existing without anyflow motion.

RESlDUAL PRESSURE ➢

The pressure available at the fixture orwater outlet; allowance is made forpressure drop due to friction loss, head,meter and other losses in the systemduring maximum demand period.

.PRIVY

outhouse or structure used forthe deposition of excrement

SEWAGE

➢ any wastewater containing animal orvegetable matter in suspension orsolution and may include liquidscontaining chemicals in solution .

SEWER.

➢a pipe or conduit for carryingsewage and wastewater

TAILPIECE ➢

the pipe or tubing that connectsthe outlet of a plumbing fixture tothe trap.

TRAP ARM ➢

That portion of a fixturedrain between a trap and thevent.

TRAP SEAL ➢

The maximum vertical depth of liquid that atrap will retain.