List of Contributions

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. ...

Hi, I'm trying to gauge what are utilities using for their gravity sewer systems. How often is Vitrified Clay Pipe (VCP) still used? Has any utilities revised old standards to adopt modern materials, such as HDPE? Are other materials considered as a standard? I'm most interested in cities located ...

Hi everyone, First post on ASCE Collaborate. I don't see too much info regarding sewer systems, specifically lateral connections. I'm an engineer at San Francisco conducting research for collection system lateral configurations. As a very brief background, San Francisco is predominantly a combined ...