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yes it can use
Yes, there are things that you can do to stop the sewer from backing up in a rainstorm. For example, you can use a floor drain standpipe, a backup valve, a floor drain plug or an overhead sewer.
Use fittings.
In Tulsa Oklahoma you can, but i would still use 4 in.
because the pipes don't rust as easy, and silver and gold are too expensive. That is another persons answer. Here are the main 3 reasons plumbers use copper pipes. Copper pipes are relatively non-toxic-unlike lead. Copper pipes do not suffer corrosion-as iron does. Copper pipes are relatively soft and easy to work with-unlike both iron and lead. However more and more homes are now using the plastic pipe such as Pvc and Cpvc which seems to serve the same purpose and are also safe, although both can be used, you still need to find out what code calls for in your city or town an abide by it.
Technically you could use any forms of a meter. But since it is of a whole city, the easiest would be kilometers.
Absolutely not
Concrete and cast Iron pipes are made of cast iron and plastic piping systems normally use plastics
to measure inside diameters of pipes
to measure the flow in any pipes
the traps designed use was to hold a " plug " of water, to help stop sewer odors from backing up the pipes.
To scour them use a water Jetter as it removed years of build up soap scum and grease deposits and scale.
I use the Pipe Friendly Tape Measure by TekForce. It makes measuring pipes easier and faster.
Sewer cameras can be rented from an aerating or roto rooting company (most of the time, sometimes this is not offered). They are placed deep down into pipes in order to see what they are like from the inside. They work similar to pipe snakes that unclog clogs.
Every community has a Waste Water Treatment plant/facility. When you flush a toilet, waste goes through pipes in the house. Those pipes lead to either city sewer pipes, or if not hooked to the city, to a private septic tank on each person's property. The waste plant collects sewer water from rain runoff and from industries too. The waste water is treated, and returned as pure water plus the chemicals used to make it pure(r). We again use that purified water for bathing, drinking, cooking, washing clothes, etc. If in a septic tank, chemicals can be added to break down the waste but eventually, the tank needs emptied. The home owner hires a waste company to pump out the septic tank, and use of the toilet begins again.
The sewer is under City Park, and you can get there by going through one of the public restrooms. Ratman is hiding there with his rats and stinging flies. (see related question)
According to the Home Depot website one of the most trusted ways to keep your sewer clean is through the use of copper sulfate. They recommend 2 Ilbs of copper sulfate for a 300 Ilb septic tank a few times a year. If that does not work you can also try a sewer snake, but be careful, if done improperly this can damage your pipes.