Hello, Sorry for cross-posting. Could anyone direct me to information concerning local headlosses in various types of manholes in gravity sewers? Many thanks in advance. Eran Friedler -- ==================================================================== Dr. Eran Friedler Department of Civil and Environmental Engineering Division of Environmental and Water Resources Engineering Technion - Israel Institute of Technology -------------------------------------------------------------------- Haifa 32000, Israel Phone: +972-4-8292633 Mobile: +972-52-222355 Fax: +972-4-8228898 --------------------------------------------------------------------