You are definitely doing the right thing by looking into this now. Upgrading from old clay pipes to modern PVC is a night-and-day difference in terms of reliability, especially with the weather shifts we get here in Ontario. When we did our lateral line last year, I was surprised by how much the depth and the bedding material actually mattered for long-term stability. If the ground shifts and the slope isn't perfect, you’re just asking for standing water and clogs. I actually found a really comprehensive local guide recently that breaks down the entire process specifically for our region. It covers everything from the initial inspection to the final backfilling, which helped me ask my installers much better questions during the walkthrough. You should definitely check out this resource for Expert Sewer Line Installation in Mississauga before you sign any contracts. It’ll give you a much clearer picture of what a professional setup should actually look like