TANGINANG UTILITIES 2 Flashcards
smaller in size than the soil pipe
Waste pipe
- Any pipe that receives and convey discharges of water closet
- Have at least one soil stack extended above the roof not less than 30 cm long and 75 cm diameter
SOIL PIPE
receives discharges of all soil and waste stacks
HOUSE DRAIN
4 TYPES OF HOUSE DRAIN
- COMBINED DRAIN - receives of sanitary waste as well as storm drain
- SANITARY DRAIN - receives the discharges of sanitary
- STORM DRAIN - conveys all storm clear water
- INDUSTRIAL DRAIN - receives discharges from industrial equipment
barrier and prevents the gases coming from the public sewer
HOUSE TRAP
prevent the reversal of flow
BACK FLOW VALVE
consists of a running trap to protect it from freezing and to drain basement entryways
AREA DRAIN
used to receive water to be drained from the floor
FLOOR DRAIN
used to catch surface water
YARD CATCH BASIN
convey wastes from garage into the house drain
GARAGE CATCH BASIN
portion of the horizontal drainage system
HOUSE SEWER
a line financed and maintained by the government
MAIN SEWER
to maintain a balance atmospheric pressure inside the system
VENTS
Types of vents
- MAIN SOIL VENT - portion of the soil pipe stack
- MAIN VENT - the terminal of the smallest forms of trap ventilation
- INDIVIDUAL VENT - portion of the vent pipe which serves a single trap
- UNIT VENT - ventilates two fixture traps
- CIRCUIT OR LOOP VENT - employed where two or more fixture traps are installed on a horizontal soil or waste branch.
- RELIEF VENT - ventilates soil and waste pipe other than the fixture traps.
- YOKE OR BY-PASS VENTILATION - installed at 3 to 5 floor intervals
designed to allow water to enter or exit through holes or slots along the pipe
PERFORATED PIPE
commonly known as conductor or downspout. connects the roof terminal to the storm drain
ROOF LEADER
Types of Sewage Disposal System
- CESSPOOL - a hole in the ground to allow raw contaminated sewage to leach into the soil
- PRIVY - wooden shelter constructed for the collection of raw sewage
- SEPTIC TANK - a receptacle used to expedite the decomposition of the elements contained in a raw sewage waste
- PUBLIC SEWER LINE - public sewage system, operated and maintained by the government
serves as man’s access for inspection, cleaning and repair
MANHOLE
Semi-liquid substance formed from sedimentation of removed suspended solid of the sewage
SLUDGE
Floating substance formed from solids in the septic tank
SCUM
Transforms sludge and scum into liquid and gases
ANAEROBIC BACTERIA
solid matter reduced in sizes and consequently changed in character
DIGESTION
Process in the presence of material oxygen
AEROBIC BACTERIA
Functions in the absence of free oxygen
ANAEROBIC BACTERIA
functions even with or without free oxygen
FACULTATIVE BACTERIA
Decomposition caused by anaerobic bacteria
PUTREFACTION
A sewage that turns dark and smell unpleasant due to anaerobic decomposition
SEPTIC
A watertight receptacle which receives the discharge of a sanitary plumbing system
SEPTIC TANK
