200 X 200 Duct requires a 150 offset at 380 long: 150 x 200 / 380 = 78.94. The total now has to be divided into 2 = 39.47
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o.w.l. method
o.w.l. method
Illustrated here is a typical example where an offset is to be manufactured on site, either design error or to avoid the Duct clashing with other services. OWL (offset x width /length) is often used, but in many cases will NOT produce the desired product.
Illustrated here is a typical example where an offset is to be manufactured on site, either design error or to avoid the Duct clashing with other services. OWL (offset x width /length) is often used, but in many cases will NOT produce the desired product.
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