I do not know if it is suitable in this situation but,I have utilized
precast Double Tees as walkways in many WWTP's. I take a typical 8' wide
section and cut it to 5 feet wide. I put handrail 4 feet apart(centered in
This serves as an economical way to span long distances.
Russ Engineering Group, Inc.
Baton Rouge, La.
From: KSP <lvtakp(--nospam--at)yahoo.com>
To: seaint <seaint(--nospam--at)seaint.org>
Date: Thursday, May 04, 2000 8:51 AM
Subject: "Delta Truss"?
>We have been asked to design an elevated walkway at a
>sewage treatment plant. The span is about 55' and the
>walkway is about 3' wide. The new structure will be
>replacing a structure consisting of steel joists which
>are badly deteriorated. The Owner would like to use
>stainless steel. We are considering designing a
>triangular shaped truss out of pipes - similar to what
>I see for some highway sign structures. (Someone here
>called it a delta truss but I am not familiar with
>that name.) Do any of you have experience with these
>types of trusses for this type of application? Any
>things to watch out for? Any published design
>Thanks for your help,
>Ken Peoples, P. E.
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