bi fold doors from the 50"s

A home owner from New York says:
Hello, I recently had a flood and during the demo someone removed and discarded the base pivot for my solid wood very heavy bi fold doors. These doors are very important to me so I am searching for a replacement base parts. The doors open in two sections with for panels. There is a heavy bolt that stick out at the bottom and there was a steel plate on each side screwed into the concrete floor that held them in place. I also need to have them cut down but no one seems to know if this is possible. I have gone on like but but the new base parts do not look like they will accommodate the bolt in the bottom, it looks like a octogen. I would greatly appreciate any help.
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Paul from SWISCO responded:


I associated two parts from the Paniflex Company that are very popular in NYC. The base plate, 23-105 , and the bottom adjusting pin and bracket, 23-101 . Take a look and compare our parts to your original hadware. 

Unfortunately, we don't know any service people in your area that could help you in cutting down the doors.

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