Today I came to Michelle’s Renfrew area rental property to evaluate the sanitary sewer after back ups. Michelle has explained that when there is a heavy rain, the sewer backs up into the basement laundry. She had the city of Calgary come out and they found a broken pipe allowing root intrusions on Michelle’s property. Upon camera inspection today I found the interior cast iron piping is in relatively good condition. Once the pipe passes the homes footing it transitions to a concrete asbestos piping system. This connection is broken and allowing an extreme root intrusion. Because the pipe runs under the northern elevated deck, excavation replacement would require the removal of the deck. A better option is pipe lining which negates the need for excavation outside and the deck can stay intact. Michelle will consult with her insurance company and other parties involved before she makes a decision.