This Architectural Drawing is of basement floor duct work layout plan of Commercial building. A well-designed ductwork system should deliver maximum interior comfort at the lowest operating cost while also preserving indoor air quality. The chief requirements of an air conditioning duct system are. It should convey specified rates of air flow to prescribed locations. It should be economical in combined initial cost, fan operating cost and cost of building space. It should not transmit or generate objectionable noise. For more information and details download the drawing file.