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Re: PT Construction

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I don't think in this case it was a problem with either lack or knowlege or quality of inspection.  It was just a question of mistakes can happen.  There's always a lot of confusion on a job site,  great ideas turn out to be not so great if they increase the confusion.
 
No one really knew what happened,   they just lost track of the fact one beam hadn't been stressed.  It was record keeping, more than anything else.  Maybe they stopped for lunch or switched stressing crews. 
 
Wedges are initially hand-seated by tapping them into the anchorage.  Unless you are looking closely,  you could think that the tendons had already been stressed because they had the wedges in.
 
Gail Kelley
 
 
 
In a message dated 5/2/2005 10:46:12 AM Eastern Daylight Time, awilliams(--nospam--at)gwsquared.com writes:
Is the problem with the inspection or with the lack of construction knowledge on the part of the contractor, or both?
 
Thanks
 
Arvel
-----Original Message-----
From: GSKWY(--nospam--at)aol.com [mailto:GSKWY(--nospam--at)aol.com]
Sent: Monday, May 02, 2005 9:23 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: PT Construction

In a message dated 5/2/2005 10:11:13 AM Eastern Daylight Time, GSKWY(--nospam--at)aol.com writes:
Unfortunately,  this is really not a standard way of doing things and people got confused.  One tendon didn't get stressed at all; but since the wedges had been hand-seated, the tendons got cut off.  The beam cracked all to hell within about 10 minutes after the shoring was removed.
Actually,  this was a monostrand installation - all nine of the tendons in one beam didn't get stressed.