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Absoa2mfk thanks for the reminder, thats exactly what i need to do first. The home was built back in 1989, so I'm sure there are no records of the site prep and foundation. ExcelEngineering- Are you suggesting that the property needs to be leveled? If so, I appreciate your concern, but I know...

Thanks EngineeringEric, underpinning is definitely a viable option. I would have to cut a sections along the foundation out, along the crack first, but thats not problem because i'm certian that there are plumbing issues as well. I just don't see any way around it than to remove the bad soil...

Home Foundation Split Along Middle Causing Cracks All along Please respond to this if you've ever experienced an issue similar and have been successful in addressing it, or if you have advise on how to address it. The home you see in the photo has several foundation issues. The main issue...

Thanks, really appreciate it.

*2,466 ft^3 at 145psig

zdas- when I calculate using your first explanation I get 1 cylinder. I agree with RobinHandy, the req'd volume to bring the 170ft^3 system from 68psig to 130 psig is 716 ft^3. If I convert the 250ft^3 cylinder at 2000psig to standard condition it yields 34,013 ft^3. If I calculate that same...

What we are looking for is the amount of 250 cubic feet cylinder at 2000 psig that we need to purchase to make up the difference between the instrument air (68 psi expected) and the test pressure of 130 psi. The sytems total volume is 170 cu. ft. Medium is air. Temp will not be a factor. How...

Thanks for the prompt response desertfox.. that's in line with what i was thinking, just wanted confirmation.

I AM TRYING TO DETERMINE IF THERE IS A HUGE DIFFERENCE IN STRENGTH WHEN COMBINING TWO PLATES OF STEEL VS. USING A SOLID PLATE OF STEEL. THEY BOTH WILL BE EQUAL THICKNESS AND WOULD BE MADE FROM THE SAME MATERIAL. TO ILLUSTRATE- I AM FILLING A 42” DIA. PIPE WITH WATER FOR HYDROTESTING PURPOSES...