Re: 90.08 degree elbow?

On Sep 21, 2004, at 9:20 AM, Rich Scotti wrote:

> Note that this is sent off-list. I notice that you come across
> aggressively on this issue (CAD Software and sloped pipe). Is this a
> topic of some specific concern to you? Do you have an issue with
> AutoPLANT software specifically?

Didn't mean to be aggressive--just sarcastic. The thread started out when someone asked about a construction detail to allow for slope. The flow would turn something like 90.08 deg instead of the theoretical 90 deg, and the question was how to specify a joint like that. Someone suggested a miter connection as I recall, and depending on the connection you could easily modify a standard elbow to make a 90.08 turn. I took fairly gentle exception to the notion proposed by someone that you simply use an AutoCAD trick to give the appearance of a designed detail, rather than actually doing the design. I still take exception to CAD tricks like that, because I've had to cope with too many of them. A CAD representation isn't just a lo0vely picture--it's intended to communicate design intent, so that the system can be made in a specific way to accomplish a specific job. Faking design details like the elbow is just as bad as moving a reservoir to make a building fit between the reservoir and the road.

Christopher Wright P.E. |"They couldn't hit an elephant at chrisw@skypoint.com | this distance" (last words of Gen.

...................................| John Sedgwick, Spotsylvania 1864)