G03: Gutter Size Design

Ver. 3.1.00 2018/09/28 Version 3.1 released.

Ver. 3.0.05 2018/07/06 Hint on "Risk Factor" fixed.

Ver. 3.0.04 2018/05/23 Implemented ribbon control interface.

Ver. 2.6.03 2016/06/04 Fixed negative square root error when gutter overflows. Improved accuracy of Fs factor calculation at lower S/T values. Iteration procedure improved.

Ver. 2.6.02 2014/07/29 Fixed F1 key link to Help. Updated examples on Help menu. Corrected calculation of design rainfall intensity and other design results on Calcsheets.

Ver. 2.6.01 2014/03/19 Fixed error when opening data file from Windows Explorer.

Ver. 2.6.00 2012/12/05 Maintenance release.

Ver. 2.5.04 2012/10/02 Updated output in Calcsheet to be more intuitive.

Ver. 2.5.03 2012/07/09 Fixed occasional divide by zero error.

Ver. 2.5.02 2012/06/01 Occasional error in downpipe summary table in calcsheet fixed. Added option for Valley/Parapet/Eaves gutters with risk factoring. Improved formulas for calculating Fd factor in code BS12056-3:2000 Figure 5 for accuracy over a larger range.

Ver. 2.5.01 2011/02/18 Flow depth now symmetrical for symmetrical roofs with multiple downpipes.

Ver. 2.5.00 2010/07/05 New Release.

Ver. 2.4.05 2010/01/12 Width/depth ratio correction in calcsheets.

Ver. 2.4.04 2009/11/27 Error trapping added for 0 width downpipes.

Ver. 2.4.03 2008/09/18 Recompiled for compatibility with Linux servers.

Ver. 2.4.02 2008/07/21 Added split grid function for calcsheet.

Ver. 2.4.01 2008/06/20 Drop box and downpipe aspect ratios revised.

Ver. 2.4.00 2008/03/25 Maintenance release.

Ver. 2.3.01 2007/03/14 Roof pic updated, restricted status to OK.

Ver. 2.3.00 2007/03/14 Maintenance release.

Ver. 2.2.03 2006/08/25 Gutter failure flag fixed.

Ver. 2.2.02 2006/05/24 Updated flow depth display.

Ver. 2.2.01 2006/04/06 Updated Code: BS EN 12056-3.

Ver. 2.2.00 2005/12/15 Maintenance release.

Ver. 2.1.00 2004/09/14 Maintenance release.

Ver. 2.0.00 2003/05/08 New system library implemented. See Service Pack 2.0.00 for details.