Ridley Creek Sewage Treatment Plant Upgrade and Expansion
Pennoni was responsible for the design and permitting of the upgrade and expansion of a 0.4 MGD extended aeration facility to a 0.75 MGD sequencing batch reactor (SBR) facility. The modifications to the plant included installation of a new influent grinder with a fine screen; increased influent lift station capacity; a new four tank SBR system; two rotating disc filters; ultraviolent (UV) disinfection units; a new SBR equipment building; and the replacement of the existing belt press with a dewatering centrifuge. Pennoni was responsible for all facets of design, including treatment process, mechanical, structural, HVAC, plumbing, electrical, and instrumentation and control. Pennoni also provided bidding and construction engineering and inspection services.