List of Contributions

Hi ASCE Community, I want to inquire - is this pipe spot lineable in your opinion? There is a lot of utility conflicts above to open cut, so I'm wondering if this is lineable. In my opinion, yes it appears to be lineable since there's nothing obstructing the lining apparatus. I am not looking for perfection ...

Thank you! ------------------------------ Michael Tran P.E., M.ASCE San Francisco Public Utilities Commission San Francisco CA (415)695-7372 ------------------------------

Hi Michael, Thanks for sharing your experience. I'm curious whether there was a specific defect threshold that shifted your asset from a spot repair or localized fix to a full MH‑to‑MH liner. Are you incorporating any newer assessment technologies-such as MSI, drones, or robotic platforms-in addition ...

Hi everyone, I'm looking to compare gravity sewer renewal and replacement practices across different utilities, and I'd really appreciate any insights from your programs. A few specific questions: What ratio of renewal vs. full replacement do you typically see in your program? How much ...

Just wanted to bring this back up and see if there's any additional feedback. Thanks! ------------------------------ Michael Tran P.E., M.ASCE San Francisco Public Utilities Commission San Francisco CA (415)695-7372 ------------------------------