SC 987 Improvements to Return Sludge Pumping Station No. 2 at The Patapsco Wastewater Treatment Plant

Remove and replace existing RAS pumps, discharge control valve, suction and discharge isolation discharge, electrical support devices, and all associated appurtenance within Return Sludge Pumping Station No. 2 (RSPS2). Provide new RAS pumps, check valves, suction and discharge isolation valves with electric actuators, variable frequency drives, and piping modification necessary to integrate new components. Integration of RAS system into the Plant Distributed Control System. Remove and replace existing WAS pumps, suction and discharge isolation valves, magmeters, electrical support devices, and all associated appurtenances within Return Sludge Pumping Station No. 2 (RSPS2). Provide new WAS pumps, check valves, suction and discharge isolation valves with electric actuators, variable frequency drives, and piping modification necessary to integrate new components. Integration of WAS system into the Plant Distributed Control System. Replacement of the polymer system, including wiring and integration onto the Plant Distributed Control System. Replacement of the sludge room and chemical room sump pump systems. Removal of existing dewatering pump systems. Cleaning and abandonment of the existing ferric chloride systems. Removal of Distribution Box aeration piping and diffuser system. Replacement of Distribution Box electric actuators and associated controls. Plumbing improvements to locker room drainage pipe replacement, replacement of existing eyewash and shower stations, and replacement of water supply piping. Ventilation improvements within the electrical and controls room. Roof inspection and repair in accordance with third party inspection report. Replacement of exterior personnel doors. Replacement of lighting. Structural, Electrical, and Instrumentation

Water Treatment Plant, Renovation.

Division 02 -	Existing Conditions, Geotechnical Investigations, Subsurface Drilling and Sampling.
Division 03 -	Concrete, Concrete Reinforcing, Cast-in-Place Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection, Weather Barriers.
Division 08 -	Openings, Doors and Frames, Windows, Hardware, Glazing.
Division 09 -	Finishes, Flooring, Painting and Coating.
Division 10 -	Specialties, Signage, Safety Specialties, Lockers, Flagpoles.
Division 11 -	Equipment, Laboratory Equipment.
Division 12 -	Furnishings.
Division 13 -	Special Construction.
Division 14 -	Conveying Equipment, Lifts.
Division 21 -	Fire Suppression, Fire-Extinguishing Systems.
Division 22 -	Plumbing.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Air Terminal Units.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Power Distribution Units, Lighting, Interior Lighting, Emergency Lighting, Exterior Lighting.
Division 27 -	Communications, Data Communications, Audio-Video Communications.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Video Surveillance, Fire Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Earthwork Methods.
Division 32 -	Exterior Improvements, Flexible Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Irrigation, Planting, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Water Utility Distribution Piping, Water Utility Distribution Equipment, Disinfecting of Water Utility Distribution, Water Utility Storage Tanks, Wastewater Utility Pumping Stations, Storm Drainage Utilities, Electrical Utilities, Communications Utilities.
Division 40 -	Process Integration, Water Process Piping, Instrumentation and Control for Process Systems.
Division 41 -	Material Processing and Handling Equipment, Bulk Material Processing Equipment, Bulk Material Conveying Equipment, Bulk Material Feeders, Conveyors, Cranes and Hoists.
Division 44 -	Pollution and Waste Control Equipment, Odor Treatment Equipment, Water Pollution Control Equipment, Water Pollution Containment and Cleanup Equipment.
Division 46 -	Water and Wastewater Equipment, Common Work Results for Water and Wastewater Equipment, Water and Wastewater Preliminary Treatment Equipment, Water and Wastewater Chemical Feed Equipment, Water and Wastewater Clarification and Mixing Equipment, Water and Wastewater Secondary Treatment Equipment, Water and Wastewater Advanced Treatment Equipment, Water and Wastewater Residuals Handling and Treatment.