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2. INTRODUCTION
• The residential plumbing system have two sides
supply and the waste.
• A Good plumbing system provides an adequate
supply of water and removes waste without
affecting the living environment.
• There are three principal parts:
1.Water supply system.
2.Water and waste removal system.
3.Plumbing fixtures.
4. TRAPS
• Traps are used to prevent sewer odors
sewer gases from entering a the living or
work space, building and causing serious
illness or death.
• The trap most commonly used with
plumbing fixtures is the P-trap. The P-trap
gets its name because of its general shape-
that of the letter P.
• The term Trap Seal refers to the water
being held in the bent portion of a fixture
trap. The trap seal forms a seal against the
passage of sewer gases through the trap
and into the building.
7. PLUMBING PLANS
• The Plumbing Plan is a annotated diagram or schematics of
the complete plumbing system. The plumbing plan shows
the location, size, and type of all plumbing equipment.
• The plumbing plan should include:
• Waste lines and vent stacks.
• Drain and plumbing fixture locations.
• Size and type of pipe to be used.
• A plumbing fixture schedule.
• Symbols Legend.
• General notes.
• A plumbing plan is required for each floor of the house.
