Older sewer mains can become dilapidated and they can end up being hazardous to have around your home if you don't replace them regularly. Older technologies are more often prone to failure, which can cause a number of issues for you. If the sewer main near your home is not kept in good repair, it can start to leak sewage into your property. This can have major negative consequences on the health of both you and the environment. Not all contractors who have experience with plumbing will be able to handle this work for you. Installing a sewer main is not a type of work that is similar to other types of plumbing work since it is far more construction-intensive. Due to this reality, it's important that you work with someone who has an understanding of how these systems work. Don't just assume that someone will be qualified to do this installation for you because they are a plumber. The next thing you should do is get a quote on the job from the contractor upfront. Getting a quote is very important because it helps set down a realistic number that you can expect to pay for the service. When you get the quote, you also need to keep a couple extra things in mind.