Any help on this is much appreciated. I've tried everything I can, even calling the manufacturer for their PID settings and gotten no where on this. I took a Tenney TJR thermal chamber, removed the old Watlow controller and replaced it with a new Watlow F4T. The heating cycle practically took...
This is a picture of a large parking structure being built on the site next to the one I'm on right now. It has me puzzled because it's a concrete deck over a tunnel(about an 18' span) and it has the concrete beams on the topside of what I reckon is an 8"-12"" deck! The two downsides to this I...
All,
I have a curiosity question here. I've been to a few different recreational waterparks and seen the pumping systems that provide the ride waterflow. What I'm wondering is it correct to put the valve on the output or input side of a pump? Right now I'm in China and they're putting all the...
Any assistance with this question is much appreciated. I've been talking with two Ca. Civil P.E.'s about this connection and we still don't have a definite answer. What we have is two 10' bed sections being spliced together. The span is 20' and the splice is at the center of the span. One P.E...
