Replace Filter Media in Arsenic Absorbent Vessels Luke AFB SOW.pdf

STATEMENT OF WORK

REPLACE FILTER MEDIA IN ARSENIC ABSORBENT VESSELS

LUKE AFB, ARIZONA

13 Feb 25

INSTALLATION AND LOCATION

Luke AFB, Arizona, Building 1396 & 1397

USER

56th Civil Engineer Squadron, Operations Flight, or 56th CES/CEOIA. The water plant NCOIC/Shop Personnel will serve as the manager of this project.

1. SUMMARY STATEMENT OF WORK. The Contractor shall provide and install filter media in two (2) filter vessels in a potable water system.

2. DESCRIPTION. The Contractor shall provide all labor, equipment and materials to perform the following tasks to complete this statement of work:

2.1. 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.

2.2. The contractor shall install new filter media and silica sand. The contractor shall provide all the materials according to the manufacturer specifications. The contractor shall follow the manufacturer media installation guide, see Attachment I. Manufacturer specifications include the following:

- Arsenic filter media, which will be 754 cubic feet of GRANULAR FERRIC HYDROXIDE (GFH) or equivalent/superior.

2.3. After filter media is installed, the contractor shall perform the startup and the initial backwash of the newly installed filter vessels. The contractor will follow procedures outlined in Attachment II. 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.

3. PERIOD OF PERFORMANCE. The contractor shall complete all work with 30 days after date contract. Work days shall start no earlier than 0700 or another time determined by the water plant NCOIC/Shop Personnel.

4. RESPONSIBILITY FOR WORK SITE. The contractor shall be responsible for all damages to persons and property that occur as a result of the Contractor’s fault or negligence in connection with the required work, and shall save and hold the Government free from all claims and suits arising from such damage. The contractor shall clear all debris at the site and stow all equipment at the end of each work day.

5. DEVIATION FROM SCOPE OF WORK. The contractor shall not depart from nor perform work outside of this Statement of Work and criteria on which the SOW is based without the written direction of the Contracting Officer (CO). If the contractor performs such work without written approval, it does so at its own risk. Any changes to this SOW will be coordinated with 56 CES/CEOIU/CEOIA as well as the WFSM supervisor.

6. ACCEPTANCE OF WORK. The water plant NCOIC will approve and accept all work.