First, the answer to Vol. 12 (last week). Great answers! It seems like everyone was on the same page with this one! It was some type of blemish on the...

First, the answer to Vol. 11 (last week). When I arrived on-site, I first thought maybe the site was hit with an overnight rain shower! Conditions looked like the photo...

First, the answer to Vol. 10 (last week). Wow, there were a lot of great responses! Everyone had great observations and admittedly, I missed the fork-lift safety issue in the...

First, the answer to Vol. 9 (last week). Everyone nailed the water and electric combination!  A true hazard no matter how you look at it, especially with the junctions being...

Everybody remember when you had to read through a scenario and then answer questions at the end?  Well, there’s a bit of reading to this one followed by three questions...

First, the answer to Vol. 8 (last week). Surprisingly, the biggest issue here is not the flipped body of the articulated haul truck; it is the laborer working directly downslope...

First, the answer to Vol. 7 (last week). The biggie here is the overlap of the extrusion on extrusion. I suggested they cut all the extrusion out and used a...

First, the answer to Vol. 6 (last week). Here are 14 things I noted, in order of occurrence. Dirt stripes. Dirt stripes negatively impact seam quality. Dirt stripe on top...

For such a short video, there were several things that I identified. I’ll post them in the order that I identified them. No rub sheet to set the extrusion welder...

On Tuesday, March 4th a special session is being held at the GEOTECHNICAL Frontiers 2025 conference to discuss welding of geomembranes. It is scheduled for 1:30-3:00 pm. Panelists for the...