List of Contributions

I'll try to be brief, but one could write a book on this subject. The following is based on my experience in upstate NY, which has similar climate to Chicago, where I assume the garage in question is located. There are many potential reasons why the spalling has occurred. Freeze-thaw is a definite ...

I live in upstate NY and have noticed occasions where asphalt concrete deteriorates badly along lane and edge striping. This has occurred on major state highways and interstates. It appears to have something to do with the interaction of the striping and asphalt concrete materials. I don't believe it ...

Sorry Will, I don't have a framework but want to emphasize that profiles provide benefits in identifying potential underground conflicts (e.g. sewer crossings), and are invaluable in the future, especially when accurate as-built plans are prepared. I understand the short term cost vs. benefit issue, ...

I don't have any reference but one approach would be to determine equivalent depth of soil cover for the pressure under the tracks. For 120 PCF unit soil weight and if my math is correct this works out to be 34.7 ft. ------------------------------ David Kennicutt P.E., M.ASCE SR PROJECT MNGR Delta ...

Assuming these pipes are vertical balusters, i.e. numerous elements. Would attaching chain link fabric to the outside of the railing work? ------------------------------ David Kennicutt P.E., M.ASCE SR PROJECT MNGR Delta Engineers, Architects & L.S., P.C. Endwell NY ------------------------- ...