ACO Polymer Products, Inc. introduced the concept of modular trench drains to North America over 30 years ago. Today ACO in North America is a multi-site manufacturing and sales operation using a variety of materials for its extensive range of drainage products for all aspects of building and construction.
ACO in the USA is a sales and marketing company with its own strong manufacturing bases. Today, ACO USA supports its business with all the elements of a diverse company. In addition to modern manufacturing facilities for its product lines, ACO offers field support for all aspects of the business - from specification advice to installation expertise. ACO is the recognized CES provider for architects and engineers on surface drainage education.
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Buildcalc help needed
I just started working with buildcalc and I'm finding it to be somewhat difficult to understand. I've downloaded the manual and found it to be rather useless.
It took a while but I finally got a simple set of stairs inputted. I've got a pretty pdf drawing of the rough stringer, but I don't really need one LOL. I'll have
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Development of the Tetrahedron modeling a Hip Roof or a Compound Angle
[QUOTE=kpatrix;420282]... I would like to hear a detailed approach to solving these angles without using any trig, just basic geometry and sketching.[/QUOTE]
A tetrahedron composed of four right triangles models the angles in a Hip-Valley roof, or the compound angle on a stick of rectangular cross section, as shown in the last four links in . Since all the triangles
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