List of Contributions

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 ------------------------------

Hi everyone, Thanks so much for your responses and feedback. We are considering to open the standard specifications to other materials. As a slight background, our standard specifications are several decades old. It allows for nearly exclusive use of Vitrified Clay Pipe and RCP for larger diameters. ...