Also, don't forget to ask about deriming. And has the contractor remembered to suck out all the air from the box and replace it with a couple of bars of N2 after the perlite went in?
Careful with the connecting piping, no HC pockets (assuming oxygen is the product you're using).
Paul
> informative. i have routed it among the engineers here.
Received on Thu Jun 28 08:57:00 2001
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