Thanks for your responses. Since posting this question, I received word from the municipality that they don't permit ribbed pipe. So unfortunately it's a moot point for my application. But there may be an opportunity for me to ask them why...
I'm specifying sanitary sewers (between 200mm and 375mm) for a residential subdivision and have heard that some Ontario municipalities prohibit the use of ribbed ("ultra-rib") PVC pipe. Can anyone direct me to some literature (articles, standards, etc.) that sheds some light on why the use of...
What are the key differences between a "slip bore" and a "horizontal directional drill", in the context of pipe installation (for example, crossing under a watercourse)? Or are these 2 terms used interchangably?