Arsenic Filter Media Replacement for Luke AFB

Provide new replacement arsenic filter media, remove and dispose old media, and install new filter media at it's water treatment facility. There are two (2) 12'H x 6'W verticle single cell absorber vessels that will require 754 cubic feet of new arsenic filter media and 226 cubic feet of silica sand for this service. Contractor shall provide all supplies, equipment and labor necessary. The contractor shall remove the existing filter media and sand by using vacuum equipment. The contractor will exercise caution in not to break or crack the porous plate system below the sand. The government will inspect the porous plate system once old filter media is removed from each vessel. The contractor may only take down one sand filter at a time for repair and may not start the second filter until the first filter passes an operational test. The contractor shall install new filter media and silica sand. After filter media is installed, the contractor shall perform the startup and the initial backwash of the newly installed filter vessels. An evaporation pond will be prepared by base personnel for the back wash material. This will be performed after both filters are completed to determine if it is operational. After the filter media has been removed, the contractor shall be responsible for disposal of used media.

Water Treatment Plant, Renovation.

Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Air Terminal Units.
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 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.