COLLAPSE OF TEXAS TOWER NO. 4 271 



TIME REQUIRED TO COMPUTE STRESS REANALYSIS 



Mr. Kuss. Of the stress in the various members, you mean ? 



Mr. Kendall. Yes, sir; such as you made in connection with the 

 installation of the above-water X-bracings. 



Mr. Kuss. Well, for each different condition, each different problem, 

 it might take a week. 



Mr. Kendall. How long did the analysis that you made take ? 



Mr. Kuss. I would say a week. 



Mr. Kendall. That is a complete stress reanalysis ? 



Mr. Kuss. Yes, sir. 



Mr. Kendall. Of the entire tower ? 



Mr. Kuss. Yes. 



Mr. Kendall. Now, as to the installation of this above-water X- 

 bracing, did you certify that the tower had been restored to the original 

 design strength ? 



Mr. Kuss. Yes. 



Mr. Kendall. Well, how could it have been restored to the original 

 strength when you admittedly had the deteriorated pin connections 

 below water and braces were not functioning correctly ? 



Mr, Kuss. Our analysis took in the fact that the pins were loose. 



Mr. Kendall. You considered, then, that it had been restored to 

 the original design strength ? 



Mr. Kuss. Yes, sir. 



Mr. Kendall. As a matter of fact, you put that X-bracing in the 

 area where the impact of the waves was the strongest ? 



Mr. Kuss. Yes, sir. 



Mr. Kendall. And that was a complete departure from the original 

 desi,gn concept ? 



Mr. Kuss. From the original design, yes. 



Mr. Kendall. And each storm that hit that X-bracing resulted in 

 cracks in it, didn't it ? 



Mr. Kuss. I don't know that. 



Mr. Kendall. Well, were there cracks in the X-bracing after 



X-BRACING SATISFACTORILY INSTALLED 



Mr. EuTLEDGE, While the X-bracing was being installed, when it 

 was partially installed, the contractor was facing the difficulty that 

 occurs in every welded connection, that with a partial welded con- 

 nection, if a storm hits, the connection isn't strong enough to take the 

 forces imposed and cracks occur. These occurred at least once, and 

 possibly twice, during the installation of the above- water bracmg, and 

 these are in the record of our resident engineer who was supervising 

 this work. When this entire bracing was completely installed, there 

 were no cracks in any of the connections. The contractor corrected 

 all of the cracking. 



Mr. Kendall. That bracing was completely installed in AugTist? 



Mr. Kutledge. In the early part of August the work was completed. 



Mr. Kendall. Well, after Hurricane Donna in September were 

 there a,ny cracks ? 



Mr. EuTLEDGE. Yes, sir ; but that was a different situation. 



Mr. Kendall. After the storm in December 1960, were there any 

 cracks ? 



