PWS_23Q0174.doc

Performance Work Statement (PWS) Aberdeen Proving Ground (APG)

Preventative & Software Maintenance of X-ray CT Scanner 24 August 2023

C.1. BACKGROUND

The Army Research Directorate (ARD) within the United States Army Research Laboratory (ARL) requires the service and maintenance of the one (1) North Star Imaging, Inc. (NSI) X5500 w/Gulmay HPX-450/11 & Comet FXE-225.48-3 (x-ray tubes) computerized tomography (CT) scanner that they currently own. The CT scanner’s initial maintenance was purchased under contract W911QX-18-P-0140 and expires on 8/29/23. This CT scanner combines a series of X-ray images taken from different angles and uses computer processing to create 3D cross-sectional images of material. The 3D cross sectional image information is used to determine internal structures of materials used in experiments.

C.2. OBJECTIVE

The Contractor shall perform the necessary work to ensure the NSI X5500 w/Gulmay HPX-450/11 & Comet FXE-225.48-3 CT scanner is properly serviced and maintained annually under a one (1) base year and four (4) option year agreement.

C.3. REQUIREMENT

C.3.1. The Contractor shall contact the assigned Contracting Officer’s Representative (COR) once every four (4) months starting four (4) months from contract award to schedule each of the three (3) annual Preventative Maintenance (PM) on-site service visits for the calendar year. The Contractor shall provide their availability for the next four weeks and the Government will select a date and time that is mutually acceptable.

C.3.2. The Contractor shall provide all tools, equipment, and parts to perform preventative maintenance on the scanner’s mechanical motion control, x-ray tubes and systems, general system components, and software issues required for the equipment to perform at full capability.

C.3.3. The Contractor shall follow all ARL-APG facility installation and facility access procedures provided by the Government security escort on the facility prior to the Contractors commencement of work at three (3) times per year.

C.3.4. Within each Preventative Maintenance on-site visits, the Contractor shall perform an eleven (11) point inspection to include the following:

C.3.4.1. The Contractor shall clean and inspect two (2) X-Ray Tubes, and replace O-rings for adjusting to manufacturers specifications.

C.3.4.2. The Contractor shall clean, inspect, and reapply dielectric grease to High Voltage (HV) cables and set compression.

C.3.4.3. The Contractor shall clean, inspect, and lubricate manipulator.

C.3.4.4. The Contractor shall clean cooler and test flow and temperature switches.

C.3.4.5. The Contractor shall clean and verify adjustments on the High Tension (HT) generators to prolong tube filament life.

C.3.4.6. The Contractor shall test and adjust Safety Interlocks and Safety Lamps.

C.3.4.7. The Contractor shall test power supplies and adjust to factory specifications.

C.3.4.8. The Contractor shall test and adjust one (1) 450 kilovolt (kV) x-ray tube shutter.

C.3.4.9. The Contractor shall service vacuum system.

C.3.4.10. The Contractor shall inspect and test for proper cable drape to ensure unnecessary strain has not developed within any cables.

C.3.4.11. The Contractor shall inspect and test the emergency stop button on the auxiliary electric cabinet.

C.3.5. The Contractor shall perform software upgrades as needed which will be determined by the Government.

C.3.6. The Contractor shall provide unlimited telephone and remote technical support for the length of the contract.

C.4 Deliverables

C.4.1 The Contractor shall provide a maintenance report detailing all work accomplished within 30 days after completion of the service visit in Contractor format.

C.5. ANTI-TERRORISM /OPERATIONAL SECURITY (AT/OPSEC):

C.5.1. Access and general protection/security policy and procedures. This standard language is for contractor employees with an area of performance within Army controlled installation, facility, or area. Contractor and all associated sub-contractor’s employees shall provide all information required for background checks to meet installation access requirements to be accomplished by installation Provost Marshal Office, Director of Emergency Services or Security Office. Contractor workforce must comply with all personal identity verification requirements (FAR clause 52.204-9, Personal Identity Verification of Contractor Personnel) as directed by DOD, HQDA and/or local policy. In addition to the changes otherwise authorized by the changes clause of this contract, should the Force Protection Condition (FPCON) at any individual facility or installation change, the Government may require changes in contractor security matters or processes.

C.5.2. For contractors that do not require CAC, but require access to a DoD facility or installation. Contractor and all associated sub-contractors employees shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index (NCIC-III) and Terrorist Screening Database (TSDB) (Army Directive 2014-05/AR 190-13), applicable installation, facility and area commander installation/facility access and local security policies and procedures (provided by government representative), or, at OCONUS locations, in accordance with status of forces agreements and other theater regulations.

C.6. DISTRIBUTION STATEMENT:

C.6.1. Determination of the PWS document:

Distribution Statement A: Approved for public release, distribution is unlimited C.6.2. Determination for Information generated from Contract:

Distribution Statement A: Approved for public release, distribution is unlimited Contracting Officer: