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That’s great , thank you very much. It’s for treated waste water, evaporation ponds. Workmanship is not great despite coaching prior to laying.

Thank you for the input. 👍

That’s the typical standard of workmanship….I did direct the contractor to pull it tighter as it was being placed…

Ooops…no sand or soil …just HDPE lined ponds.

There will be sand or soil covering the lining. That is just dune sand that’s blown in to the pond.

I’d appreciate some feedback on the acceptable standards for these ponds. It’s in the Middle East, so temperatures are in the mid 50’s Celsius in summer. I’m expecting expansion. However there is a lot of excess material here. Please advise based on international standards. Thank...

Thank you Ron, careful handling and shipping will be the order of the day !

Gents, Ladies, need clarification on section 11 of ASTM C31 for transporting specimens to lab for testing. My interpretation is the 4 hour limit on transporting fresh cyclinder samples is particular to the 8 hour setting period only for a fresh cyclinder. 7 and 28 day cylinder samples are not...

Gents, Ladies, need clarification on section 11 of ASTM C31 for transporting specimens to lab for testing. My interpretation is the 4 hour limit on transporting fresh cyclinder samples is particular to the 8 hour setting period only for a fresh cyclinder. 7 and 28 day cylinder samples are not...