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2 years ago this week my city of 5,000 homes had 4-6 inches of rain in 90 minutes during the night and it backed up into everyone's basements. The sanitary and sewer are supposed to be separate but are crossed/broken on many homes (only tested when sold). We had over 2 feet of yucky water, sewage, etc. in our basement. We have since had a "sewer backup ...


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Probably. Depending on your roof size and what "heavy rain" means in your area. This chart says that the capacity of a 6" pipe with a 2% decline (2 ft per 100 ft or 1/4" inch per foot) is 105 gallons per minute. (I can't reproduce the chart here due to copyright) Heavy rain is defined as being more than 0.39 inches per hour (and violent rain is > 2 inches ...


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This is impossible to answer with the given information and the variability of nature. Will it survive most typical rains? Probably. Would it survive a "once in a 100 years" rainfall? Who knows, probably not. Often the cities trunk sewers can't keep up with these either so at that point, your small section of sewer is irrelevant. The best course of action ...


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There is no such thing as a "minor" leak in cast iron. If it is leaking, it means major corrosion is occurring. If you were to open the joint and look in, you would see the inside of the pipe is completely rotted. You could put a liner inside the pipe and pump it full of some kind of sealant, but it would be a lot of work to do that and it would be ...


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Concrete chainsaws can be rented. They would do all the cutting from above and simplify the excavation. Industrial sized hydraulic ones cut open doorways in poured concrete walls. Another option would be a flexible saddle tap..,which installs by drilling the concrete line with the proper coring bit. Fernco makes a wide line of drain fittings



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