Specifications include, but are not limited to: • Modifications to the Train 1 Primary Sludge Building and installation of one new primary sludge pump. • Installation of variable frequency drives to the existing Train 1 and Train 2 Primary sludge pumps. • Demolition of existing WAS pumps and related appurtenances. • Installation of new WAS pumps and related appurtenances • Demolition of existing Centrifuges and all related equipment. • Installation of two new Rotary drum thickeners. • Installation of odor control system. • Miscellaneous yard piping.