plumbing review 09
TRANSCRIPT
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Plumbing Review 09
Arch. A. M. Agusin, uap
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Law/s governing the Plumbing for
Buildings National Plumbing Code of the
Philippines RA 1378
NATIONAL STANDARDS FOR
DRINKING WATER
WATER CODE OF THE PHILIPPINES PD 1067
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COMPLETE ARCHITECTURAL AND
ENGINEERING WORKING DRAWINGS
Architectural
Structural
Sanitary / Plumbing Electrical/ Electronics
Fire Protection
Mechanical
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COLOR CODING OF PIPES:
STEAM PIPING DIVISION:
High Pressure White
Exhaust System Buff
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WATER PIPING DIVISION:
Fresh water, low pressure Blue
Fresh water, high pressure Blue
Salt water pipe Green
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OIL PIPING DIVISION:
Delivery Brass or Bronze
Discharge Yellow
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DEFINITION OF TERMS FOR
SANITARY AND PLUMBING BIBB
Another name for faucet.
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BIDET
A plumbing fixture designed to facilitate
washing of the genital area.
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BUILDING MAIN
Water supply piping beginning at the
source of supply and ending at the first
branch inside the building.
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BUIDLING STORM DRAIN
Drainage piping which connects the storm
sewer to a drainage system which collects
rain water, ground water, and surface run-
off.
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CHASE
A pipe chase. A space or recess in the
walls of the building where pipes are run.
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CHECK VALVE
A device preventing backflow in pipes.
Water can flow readily in one direction but
any reversal of the flow causes the check
valve to close.
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CLEANOUT
Removable drainage fitting which permits
access to the inside of drainage piping for
the purpose of removing obstructions.
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DOWNSPOUT
A vertical pipe usually of sheet metal or
plastic which carries water from the gutters
to the ground or to a storm drain.
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FIXTURE
A device such as a sink, lavatory, bathtub,
water closet or shower stall.
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FLOOR DRAIN
A fitting which is located in the floor
(generally concrete) to carry waste water
into the drainage piping
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GATE VALVE
Used to regulate the flow of water. When
this is fully opened there is no obstruction
in the flow of water.
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LAVATORY
A fixture designed for washing hands and
face. This is generally installed in the
bathroom.
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SOIL PIPE
A pipe conveying waste which contains
fecal matter (human waste).
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Stack
Any pipe or part thereof which is installed
in a vertical position
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WATER RISER PIPE
Any water supply pipe which rises
vertically form a horizontal pipe.
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WATER CLOSET
A flush plumbing fixture designed
to receive human excrement.
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VENT
The part of the drain, waste, vent piping
which permits air to circulate and protects
the seals and traps from siphonage or
backflow.
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SEPTIC TANK
A water tight tank in a private disposal
system which receives household sewage.
Within the septic tank, solid matter is
separated from the water before the water
is discharged.
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ROOF DRAIN
A drains installed in a flat or nearly flat roof
to receive water and conduct it to the
leader, downspout or conductor.
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POTABLE WATER
Water which is satisfactory for drinking
and for domestic purposes.
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Battery of Fixtures
Any of two or more adjacent fixture which
discharge into a common horizontal or soil
branch.
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Rough-in
The installation of all pipes in the plumbing
system that are in partition and under
floors. It includes the plumbing work done
before the setting of the fixtures
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2%
Standard Horizontal Grade for
Soil Pipes
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45%
Degree for change of direction for waste
pipes/lines
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Siphonage/ or Syphonage
The result of minus pressure in the
drainage system.
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Capillary action
A kind of trap seal loss caused by a
suspension of a foreign object such as a
string, rags, strands of hair extended over
the outlet arm of the trap.
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Fixture Units
Water closet 6 units
Urinal 5 units
Shower 2 units Floor drain 2 units
Lavatory 2 units