Rapt
I totally agree with your comments. These people "engineers" that responded to the emails are try to measure elongations to the nearest 1/64th inch. It is impossilbe. They where saying since there are out of tolerence 7.111% then something was wrong. Contractor ERROR
By the way the...
The question, I have is how many of you have inspected a tensioning operation. I am not talking about looking at the records but stood there watched the gauge and measured the elongation. I have watched tensioning operations in 42 states, Canada and Mexico.
Also most of the SKILLED people...
I see no one is responsing, so I will.
SCC is nothing more then a SUPER SUPER platicized concrete that does not segrate. The workiblity and flowable of the mix can be adjusted. Consolidation methods have to be change based on the mix's spread.
EX. 18 to 22" spreads light vibration
22...
I did not take the time to read all of responses, but I have work as a PCI auditor and am also a design engineer. The problem you are talking about is typical of elongations that are very small.
IT IS IMPOSSIBLE to except the contractor to hold to such a tolerence. YOU must consider the...
2X12 22 feet long should be availbe by special order at any contractor's yard. My family has a few building supply yards and I have commonly work with members 22ft even up to 26 feet. I work in Nashville and the supply yards here commonly have it in stock.
As a designer, I would be concern...
I would use the latest adopted state code, which appears to be IBC 2003.
http://www.iccsafe.org/government/adoption.html
Just a thought, look to see if the county is listed after you click on the state of Iowa.
I may also, call the codes department again and again to verify their requirements...
As far as lifting the existing framing, I would defer to the contractor as a means a methods. I feel the top of steel can be raised by the following
A. Provide 8" tall Reinforced concrete pedestals at the base of the columns.
B. Shore the existing framing, cut the steel columns and full pen a...
