Plumbing Review 09Arch. A. M. Agusin, uap

Law/s governing the Plumbing for BuildingsNational Plumbing Code of the PhilippinesRA 1378

NATIONAL STANDARDS FOR DRINKING WATERWATER CODE OF THE PHILIPPINESPD 1067

COMPLETE ARCHITECTURAL AND ENGINEERING WORKING DRAWINGS ArchitecturalStructuralSanitary / PlumbingElectrical/ ElectronicsFire ProtectionMechanical

COLOR CODING OF PIPES:STEAM PIPING DIVISION: High Pressure White Exhaust System Buff

WATER PIPING DIVISION:Fresh water, low pressure BlueFresh water, high pressure BlueSalt water pipe Green

OIL PIPING DIVISION:Delivery Brass or BronzeDischarge Yellow

DEFINITION OF TERMS FOR SANITARY AND PLUMBINGBIBBAnother name for faucet.

BIDET A plumbing fixture designed to facilitate washing of the genital area.

BUILDING MAINWater supply piping beginning at the source of supply and ending at the first branch inside the building.

BUIDLING STORM DRAINDrainage piping which connects the storm sewer to a drainage system which collects rain water, ground water, and surface run-off.

CHASEA pipe chase. A space or recess in the walls of the building where pipes are run.

CHECK VALVEA device preventing backflow in pipes. Water can flow readily in one direction but any reversal of the flow causes the check valve to close.

CLEANOUTRemovable drainage fitting which permits access to the inside of drainage piping for the purpose of removing obstructions.

DOWNSPOUTA vertical pipe usually of sheet metal or plastic which carries water from the gutters to the ground or to a storm drain.

FIXTUREA device such as a sink, lavatory, bathtub, water closet or shower stall.

FLOOR DRAINA fitting which is located in the floor (generally concrete) to carry waste water into the drainage piping

GATE VALVEUsed to regulate the flow of water. When this is fully opened there is no obstruction in the flow of water.

LAVATORYA fixture designed for washing hands and face. This is generally installed in the bathroom.

SOIL PIPEA pipe conveying waste which contains fecal matter (human waste).

StackAny pipe or part thereof which is installed in a vertical position

WATER RISER PIPEAny water supply pipe which rises vertically form a horizontal pipe.

WATER CLOSETA flush plumbing fixture designed to receive human excrement.

VENTThe part of the drain, waste, vent piping which permits air to circulate and protects the seals and traps from siphonage or backflow.

SEPTIC TANKA 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.

ROOF DRAINA drains installed in a flat or nearly flat roof to receive water and conduct it to the leader, downspout or conductor.

POTABLE WATERWater which is satisfactory for drinking and for domestic purposes.

Battery of FixturesAny of two or more adjacent fixture which discharge into a common horizontal or soil branch.

Rough-inThe 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

2%Standard Horizontal Grade for Soil Pipes

45%Degree for change of direction for waste pipes/lines

Siphonage/ or SyphonageThe result of minus pressure in the drainage system.

Capillary actionA 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.

Fixture UnitsWater closet6 unitsUrinal5 unitsShower2 unitsFloor drain2 unitsLavatory2 units