Just want to (try to) prompt some discussion here on the recent NCHRP report "On-Bridge Stormwater Treatment Practices: A Guide".
https://nap.nationalacademies.org/catalog/27904/on-bridge-stormwater-treatment-practices-a-guide
Wondering if anyone has any thoughts on the...
I am working on the design to enlarge an existing trapezoidal drainage ditch (to obtain greater capacity). The current alignment of the ditch is not straight and does not have even curves. Also, the longitudinal, transverse, and side slopes vary along its length. I am restricted to expanding one...
I am wondering what other firms’ standard practice is when obtaining outside services for site surveys and soils reports? From my experience its typical for the design firm to subcontract these services, but I am concerned about potential liability my firm could be exposing itself to when hiring...