Waste And Controls Flashcards
What is the purpose of sewage waste disposal?
Delivery of liquid refuse from any property to point of safe discharge.
What are some defenses against danger of raw sewage?
- Plumbing standards
- Adequate sanitation
- Protection of subsoil and waterways
- Monitoring and maintenance
- Knowledge
What are improved sources?
Piped water, borehole, protected well and spring, rainwater collection.
What are unimproved sources?
Unprotected dug well or spring, surface water
What are improved sanitation examples?
Sewer and septic system connections, pour- flush latrines, pit latrines with covered pits
What are examples of unimproved sanitation?
Pit latrines without slab, open pit, bucket latrines, open defamation.
What is an option for city sewage disposal?
Gravity fed sewage mains fed by property service drains
What are sewage disposal options for area or town?
Pumped sewer
What are sewage disposal option for individual properties?
Septic systems, mini treatment plants, holding talks, worm farms, composting systems.
What are the basics of sewage systems?
- Pipes join with tunnels and large pipes called trunk sewers.
- Sewers slope downwards so sewage can use gravity to flow along,
- Pumping stations bring sewage up to ground level for treatment.
What is trade waste?
Liquid waste used during business activities that is discharged into sewer systems
What does FOIs do?
- Reduce risk of sewer block
- Minimize food scraps, fat and oils in sewers
- Reduce fat blockage at treatment plants
- Reduce sewage spilling out into environment
What are some challenges regarding sewage networks?
- Growing population
- Outfall into waterways increasing
- More industrial areas so new substances
- Maintenance
