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 fusion cap for better weld quality. Nothing is in the CQA Plan or specifications that prevents this type of poor-quality welding or minimizing extrusion welding, so the engineer allowed this. Other notes:
- Extrudate purge balls on sandbag – not on textile or liner so good – they just need to be picked up as does the scrap liner.
- Water was seeping from textile – they controlled it for welding and destruct in wet area passed.
- ATV was approved by engineer.
- Operator slightly angling extrusion gun – reduces pressure.
- This item was on my punch-list for days or longer – tracking the failed destruct but crew kept putting it off. Always check paperwork daily and maintain daily punchlist!!! Again, engineer was reluctant to stop installer since seam was already surveyed prior to textile placement.
In these blog posts, Do You See What Glen Sees, I will present a photograph or short video related to earthwork or geosynthetics construction and have you identify the significance of what you’re seeing.
It could be things being done correctly or incorrectly. Primarily, these will be things that impact quality.
In addition to my blog, I’ll post this content on X and LinkedIn. You can post your response on one of those two.
I’ll give you my thoughts on each photo or video when I post the next installment.
Do you see what I see? Or did you find something I missed? I’m excited to find out!
Here is the next installment. Take a good look. Do You See What Glen Sees?
The digital age sure makes retaining photographs much simpler (although finding them again can be difficult).
I sure wish I had copies of all the photographs I took during the first 12 years of my career (before starting my own company)! This one dates back a decade and a half.
Let me know what you see, and your quality/safety concerns!
Post your response on X or LinkedIn.
