Week 5

Question 1

What design stages can be informed by sustainability?

Answer 1

All of them

problem
study and clarify the problem
generate potential solutions
identify most promising solution
develop and test solution
implement solution

Question 2

What is centralized water treatment?

Answer 2

A small number of plants produce drinking water that is then distributed to everywhere else

Same thing for waste water

Question 3

What are the advantages of centralized systems?

Answer 3

Easier to maintain
Easier to monitor
cost of water treated (by volume) is smaller

Question 4

What are the disadvantages of centralized systems?

Answer 4

The cost to set it up is huge (massive pipe system)
Very difficult to maintain as well
difficult to adjust the capacity of these systems

Question 5

What are semi-decentralized water treatments?

Answer 5

There are a lot of smaller water treatment plants, but in each region, water is still being treated centralized, just at a smaller scale

Question 6

What are fully decentralized systems?

Answer 6

Systems to treat water at each house, building, etc.

Point of entry system: water treatment at each building

point of use system: water treatment at each household / family

Question 7

what would centralized and decentralized systems refer to in module 6?

Answer 7

Centralized: shipping water by boat
decentralized: drawing water from lake, well, or even rain water collection systems