Online WES spillway design Formula: X n = K Hd n-1Y Design discharge Q, in m [or ft] Crest length L, in m [or ft] The upstream water surface elevation, in m [or ft] The channel floor elevation, in m [or ft] K and n are parameters which depend on WES spillway shape INPUT DATA:       [Description]       [Sample Input/Output]     Project (optional):           Select Units:      SI (metric) U.S. Customary Discharge Q :           Warning: Undefined variable $dischargeunits in /var/www/html/ponce/onlinewesspillway.php on line 1168 [ Q > 0 ] Crest Length L :         Warning: Undefined variable $lengthunits in /var/www/html/ponce/onlinewesspillway.php on line 1175 [ L > 0 ] Upstream Water Surface Elevation Ews :         Warning: Undefined variable $elevationunits in /var/www/html/ponce/onlinewesspillway.php on line 1182 Channel Floor Elevation Ecf :          Warning: Undefined variable $elevationunits in /var/www/html/ponce/onlinewesspillway.php on line 1187 WES spillway shapes :     A. 0 H : 3 V (Shape 1) B. 1 H : 3 V (Shape 2) C. 2 H : 3 V (Shape 3) D. 3 H : 3 V (Shape 4) [ Click on top of the figure to display ]   OUTPUT: Point X Y 0 0 0   Your request was processed at  09:26:06 am on April 4th, 2025   [ 250404  09:26:06 ]. Thank you for running   online_WES_spillway   Please call again.   [191030 10:55]