PART $2$: SEWERS & OPEN CHANNEL FLOW

$(10$ marks total$)$ In the diagram below, identify the two valves circled $(1$ mark each$).$

Of the water line or the sewer service line, which one is the homeowner responsible for all the way to X the main? $(1$ mark$)$

Explain your answer $(2$ marks$)$

Identify $3$ problems in your sewer service line $($from home to the main$)$ that can result in a backup $(3$ marks$)$

What piece of equipment can you use to determine what type of problem may exist with your sewer $(1$ mark$)?$

Where does storm water normally go in this type of development? $(1$ mark$)$