Summary of Specifications:
The Tertiary Filter Building at the City of Ann Arbor WWTP houses six secondary effluent pumps and four variable frequency drives (VFD’s) that pump secondary effluent to the tertiary filters and/or the WWTP outfall. The Work includes the provision of all necessary permitting, construction, labor and materials to demolish five (5) existing vertical turbine wastewater pumps and related appurtenances; install, start-up, test six (6) new vertical turbine wastewater pumps that will be purchased and furnished by the City; furnishing and installation of two (2) new variable speed drives (VFDs) and the associated wiring and conduit, and setting up and starting the new VFDs; installation of a new PLC I/O module that will be provided by the City into the existing rack in CP-70, and the associated wiring and conduit; providing, installing and starting/debugging changes to the existing PLC Programming to the PLC in CP-70 as described in the Specifications; and providing, installing and starting/debugging Plant SCADA System application Programming changes as described in the Specifications to the existing Plant SCADA System. Services include WWTP staff training.
