Download or read book Gravity Flow Pipe Design Charts written by David Butler and published by Thomas Telford. This book was released on 1987 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: These charts provide a rapid and accurate method for determining flow rates and velocities in pipes at any depth of flow. 44 charts covering 11 common pipe diameters (100mm-600mm) and four roughness types from smooth (K=0.06) to rough (K=6.0) simplify the design of sewers and help the user to an understanding of the design process.