Rehabilitation of Final Settling Tanks at the Port Richmond Wastewater Resource Recovery Facility (WRRF) with the following work to b done at the facility: • Replacement of the Final Settling Tank (FST) sludge collection mechanisms; • Rehabilitation of the FST interior tank structures, FST roof tees, and influent channels; • Improvements to related pumping systems; • Demolition of four (4) existing vents on roof of FST building; • Installation of lights under FST roof slabs; • Replacement of electrical and instrumentation components associated with the mechanical equipment, heating, ventilation, and air conditioning (HVAC) improvements; • Undertake code-related architectural improvements and • Exterior repair of the 96-inch effluent pipe which will require excavation above the existing pipe.