Wednesday, January 26, 2011

Revit Design Adventures: Plywood and Drywall Quantity Take-offs (12)

We're taking a little detour in our design adventure. Suppose we are asked to provide a quantity take-off for the plywood used on the roof, or drywall on walls? In my opinion quantity take-offs are usually best done using an algorithm in a Revit schedule. This is a better long term and live solution. Problem is, it's not always visual and takes some practice to get formulas tested and working. Specifically for the use of plywood on a wood framed roof you can use the following method...

Copy the model.
Make a System Panel called Plywood.
Make a Sloped Glazing Roof type called Plywood Takeoff.
Convert the roof to the Plywood Takeoff style you've just made.
Make Panel Schedule, filter the name for Plywood. Apply a Conditional Format for 32 sq.ft. this will at least identify your full pieces.

This same idea can be applied to walls for other 'panelized' takeoffs.

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