System Design & Layout A distribution system layout in which all ends of the mains are connected to eliminate dead ends. Tags: Certification Exam Prep, Distribution System, Grid System, Water Treatment Read more articles Previous PostAdvanced Treatment Next PostCoagulation & Flocculation You Might Also Like How to Study for Water Treatment License Exams – Part 5 of 10 October 1, 2018 How to Calculate Organic Loading – Wastewater Math July 19, 2017 Disinfection February 9, 2017 Post author: Post published:February 4, 2017 Post category:Blog / Certification Exams