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LGS - Is the Supplier Liable???[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "Seaoc@Seaoc. Org" <seaoc(--nospam--at)seaoc.org>
- Subject: LGS - Is the Supplier Liable???
- From: "Dennis S. Wish" <wish(--nospam--at)cwia.com>
- Date: Wed, 25 Mar 1998 16:24:23 -0800
Before I was hired by my client, they constructed over 300 homes in Light Gauge Steel framing. The homes were allowed to be constructed without professional steel within the county. I assume that the homes were considered either HUD compliant or in compliance with some of government standard. These were constructed to be low income subsidized housing through the Department of Agriculture. I discovered a problem. The load bearing headers (site built box beams with flange to flange rather than web to web)were constructed using 8" and 12" deep sections of 20 gauge steel. The manufacturer does not list these sections in his catalog since the H/t ratio is exceed beyond web crippling ratio of 200. The remedial work may be extensive now that the problem is discovered. I have noticed that once the garage header is loaded (with only 5'-0" of tributary roof load 20 psf) the web exhibits a slight outward distortion. I believe that the manufacture was responsible to notify the client that a section ordered was not a stock item and exceeded the recommended web crippling ratio before every supplying the materials. They claim that they simply supplied what was ordered and did not question if an engineer calculated the member or not. My experience has been that reputable suppliers look for problems such as this and bring it to the clients attention. In this case the fact that a non-standard and non-conforming section was ordered and the manufacture shipped is suspicious. Any comments? Dennis Wish PE La Quinta, California wish(--nospam--at)cwia.com ICQ# 6110557 http://wwp.mirabilis.com/6110557 "Silence is the virtue of fools." Francis Bacon
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