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1/8 inch fall for every foot of run is the ICC code minimum, but I would prefer 1/4 inch fall.

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Q: What is minimum fall for 4 inch soil pipe?
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Can you cut into cast iron soil pipe with plastic soil pipe?

You can put up to a 2 inch pipe into a 4 inch. If you are putting 4 inch to 4 inch, either take out a section of the cast and put the PVC in or cut out a section and connect the PVC to the cast with rubber sleeves meant for this. You can use a saddle clamp for the 2 inch. It is a half round piece of PVC with a 2 inch connection in it. It is held on with two U bolts that go around the cast pipe. Put it where you need it and mark the 2 inch hole on the cast. Drill a series of 1/8 inch holes around this circle. when you get them all drilled, you can break out the plug. Try to keep it from falling into the cast pipe. Put the saddle clamp on and connect the PVC pipe as needed. Seal the saddle clamp to the cast pipe with plumbers putty.


Can the soil stack be installed in 2 inch pipe where it goes through the roof?

Nope, should be 4" to prevent hoarfrost


How far will one inch of rain fall go into the soil?

one foot


What is the definition of pipe-to-soil potential?

Pipe-to-soil potential is the potential of a pipeline at a given location.


Where does a pipe rust faster above soil or below soil?

What kind of pipe? Is this area exposed to acid rain?


What is a pipe extended above the roof level called?

A pipe extended above the roof level is a soil pipe.


How much does 1 square inch of soil weigh?

The weight of 1 square inch of soil can be any positive number. It simply depends on how high the 1 square inch column of soil is.


How does a soil pipe and a waste pipe differ?

Soil pipes and waste pipes differ in their purpose and the type of waste they handle. A soil pipe is designed to carry human waste and toilet paper from toilets to the sewer system or septic tank. A waste pipe, on the other hand, is designed to carry other types of waste, such as water from sinks, showers, and washing machines. Waste pipes can also carry food waste and other debris from garbage disposals. Additionally, waste pipes are typically smaller in diameter than soil pipes.


Can a toilet be plumbed into the house stench pipe?

No, that is why it is called a vent pipe not a soil line


When moving a toilet 8 feet how much of an angle does the soil pipe need to be to take the waste away without building up and blocking?

Minimum 1/8" per foot grade.


What is the minimum depth that the soil stakes have to be driven into the soil?

36 inches


What is the minimum fertilizer requirement for a capsicum plant?

Application before seeding and before transplanting, in the fall or spring and per soil analyses describes the minimum fertilizer requirement for capsicum plants. Peppers grow nicely when compost or fertilizer is mixed into the soil during the seeding or transplanting stages. They respond well to autumnal or spring treatments as long as nitrogen is low in the soil and per the results of soil nutrient analyses.