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How Duct System Design and draw in autocad?

When work in project you have to design duct system

how you reach a best design

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Question added by Mohammed Kamal Ibrahim , Mechanical Engineer , Arab Contractors Company
Date Posted: 2015/08/15
Muhammad Arsalan Siddiqui
by Muhammad Arsalan Siddiqui , Associate Director (MEP) , JLL

Design of duct is based of following parameters

Equal friction 

Velocity

Pressure

 

We need to balance these parameters to get the required flow and noise limits to size a duct.

In Auto CAD normally2d is used to make lines or polylines to draw ducts but in3d Version or revit type soft wares can make3d Ducts which are more in detailed but need expertise in these softwares and they are capable to make x-sections and may b BOQ as well at any point

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