Plumbing Review 09

Arch. A. M. Agusin, uap

Law/s governing the Plumbing for Buildings

• National Plumbing Code of the PhilippinesRA 1378

• NATIONAL STANDARDS FOR DRINKING WATER

• WATER CODE OF THE PHILIPPINES– PD 1067

COMPLETE ARCHITECTURAL AND

ENGINEERING WORKING DRAWINGS

• Architectural

• Structural

• Sanitary / Plumbing

• Electrical/ Electronics

• Fire Protection

• Mechanical

COLOR CODING OF PIPES:

• STEAM PIPING DIVISION: – High Pressure – White – Exhaust System – Buff

WATER PIPING DIVISION:

• Fresh water, low pressure – Blue

• Fresh water, high pressure – Blue

• Salt water pipe – Green

OIL PIPING DIVISION:

• Delivery – Brass or Bronze

• Discharge – Yellow

DEFINITION OF TERMS FOR SANITARY AND PLUMBING

• BIBB– Another name for faucet.

BIDET

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

BUILDING MAIN

• Water supply piping beginning at the source of supply and ending at the first branch inside the building.

BUIDLING STORM DRAIN

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

CHASE

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

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.

CLEANOUT

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

DOWNSPOUT

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

FIXTURE

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

FLOOR DRAIN

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

GATE VALVE

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

LAVATORY

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

SOIL PIPE

• A pipe conveying waste which contains fecal matter (human waste).

Stack

• Any pipe or part thereof which is installed in a vertical position

WATER RISER PIPE

• Any water supply pipe which rises vertically form a horizontal pipe.

WATER CLOSET

• A flush plumbing fixture designed to receive human excrement.

VENT

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

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.

ROOF DRAIN

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

POTABLE WATER

• Water which is satisfactory for drinking and for domestic purposes.

Battery of Fixtures

• Any of two or more adjacent fixture which discharge into a common horizontal or soil branch.

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

2%

• Standard Horizontal Grade for Soil Pipes

45%

• Degree for change of direction for waste pipes/lines

Siphonage/ or Syphonage

• The result of minus pressure in the drainage system.

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.

Fixture Units

• Water closet 6 units

• Urinal 5 units

• Shower 2 units

• Floor drain 2 units

• Lavatory 2 units