[AT] OT...Need some advice on old metal building

Steve W. swilliams268 at frontier.com
Fri Sep 14 11:21:52 PDT 2012


Mogrits wrote:
> Thanks for all the suggestions. We've tried variations of all of them.
> There are limitations to each method. The reality is its an occupied
> building and many of the exterior walls have been built against. Not to
> mention the roof. The purlins and girts are spaced 4' o.c. and the screws
> are 9"oc along them and the bldg is 50x120x20 so you can see there are
> literally thousands of screws w inaccessible nuts. We tried just peeling
> off the sheeting w a wrecking bar but the sheets are 22 ga!
> 
> My Super just called and said he may have found a way. He borrowed a
> powerful air chisel and a dull bit and knocked off 10 screw heads in 3
> mins. That's the production we need at a minimum .


Go find a flush cut off chisel. They are a solid tip with a bevel only 
ground to one side. Toss it in an air hammer and go to it.
Will shear a 1/4 - 20 with about 3 hits.


-- 
Steve W.



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