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Types of Plumbing

Water Supply

Drain-Waste-Vent
 Water Tower
 Removal of waste
 City Well
 ¼” – 1’
 Private Well
 Traps
 Pumps & Valves
 Clean outs
 Two kinds of water
 Gases/Fumes
lines (HOT/COLD)
Water Supply

Large City
 Lakes and Rivers
 Treatment plant
○ treated with
chemicals
○ Skimmed
○ Gravel and sand
○ Chlorine & fluoride
○ Held in storage tank
Water Supply

Small City
 Pumped 700’+ well
 Chlorine & fluorine
 Tower/Storage
 Burlington
Water Supply

Rural Locations
 Private well
 Groundwater
 Pressure tank
 Natural filtration
 Minerals create hard
water
 Softeners
 Twin Lakes
Private Well/Pressure Tank
Pressure Tank

Hydro pneumatic
 Part water/part air
 Water remains same
 Air added
 Pressurizes
Fixtures

Anything using water
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Bathtub
Shower
Sink
Lavatory
Water closet
Urinals
Water heater
Dish washer
Washing machine
Etc.
Emergency valve
Placed intermittently in supply system
 Before fixtures
 Sometimes at branches
 Shuts off water in case of

 Burst pipe
 Faulty fixture
 Replacing fixture
 Capped end
Drain-Waste-Vent
Removes sewage and
waste water
 ¼” – 1’
 PVC
 Traps
 Stack
 Delivers to wastewater
management plant

Wastewater Treatment

Step 1 - Preliminary
 Screening
 Grit tank – sand and heavy particles

Step 2 – Primary
 Sediment tanks – solids sink
 Oils and liquids rise

Step 3 – Secondary
 Aeration tank – bacteria
 Heavy sludge settles
Wastewater Treatment (Cont’)

Step 4 – Disinfection (sometimes last)
 Chlorine/Ultraviolet light
 Kills microorganisms

Step 5 – Advanced Treatment
 Removal of phosphorous & nitrogen
 Then returned to rivers/lakes
Wastewater Treatment Plant
Septic System
Rural setting
 Personal treatment “plant”

 Sewage pumped to tank
 Bacteria breaks down
○ Sludge
○ Scum
○ Effluent
 Sludge settles
 Scum floats
 Effluent runs to distribution box
 Box sends effluent to field
Septic System