Case Study
Portland, ME –Step Screen Replaced By Headworks Mahrbar Screen
Project Name East End WWTP Owner/Engineer Scott Firmin Operations Engineer Portland Water District 225 Douglass Street Portland, Maine, U.S.A 04104 Channel Width 4.50 feet / 1.37 m Channel Depth 7.38 feet / 2.25 m Flow 40 MGD / 1.75 m3/sec Portland, ME – STEP SCREEN REPLACED BY HEADWORKS ® MAHR ® BAR SCREEN In May 2008, Portland Water District installed 3 step screens in each of their 3 channels and in only 7 years of use, were facing main