SOW_6_ACU_SCA_Processor_Board_S100-1A2A1-2_14_Nov_2022-R.docx

STATEMENT OF WORK 6 – ACU PROCESSOR

Statement of Work Repair and Recondition: Automated Surface Observing System (ASOS) ASOS VGMD G3/G4 Power PC Based VME Bus Single Board Computer (ACU, SCA Processor Board)

ASN: S100-1A2A1-2, NSN: 5895-01-519-4485

Version: November 20, 2024

Description: The Contractor shall repair and recondition the Processor Board to "Like New" operating condition, including cosmetic appearance in accordance with this Statement of Work (SOW), National Weather Service (NWS) specification drawing, or other specification document. The repair and reconditioning price shall include the parts, materials, labor, inspection, and return shipping necessary to return the Processor Board to operational specifications. Repair materials or specifications differing from the NWS source specification must be approved by the National Weather Service prior to use.

Definition:

(a) Supplies: includes but is not limited to raw materials, components, intermediate assemblies, end products, and various supplies.

(b) Repair and Reconditioning: As outlined in Description of Work paragraph below.

(c) “Like New” Condition means reconditioned to the listed specification to meet all applicable electrical, mechanical, and cosmetic specifications and engineering documentation, including the replacement of damaged, missing, or non-functioning parts.

Government Furnished Equipment: If necessary, the SMON chip (firmware version 5.2.26) and the test procedure to run diagnostics using this chip will be supplied. NRC will supply the latest .hex file for firmware 3.10 if required.

Government Furnished Data: Test Procedure to run diagnostics on the Processor Board with the SMON Chip.

Vendor Furnished Equipment: Vendor shall provide all parts, supplies, and test equipment as required to accomplish the repair and reconditioning actions.

Recommended Equipment and Supplies: None.

Description of Work: All equipment will be inspected and/or evaluated when received for operational performance and physical appearance. Each Processor Board will be cleaned, repaired and reconditioned to ensure that it is able to pass all factory acceptance tests established by the OEM, as well as, system operational checks within the ASOS system for which the National Weather Service utilizes the board. Soldering and circuit board repair shall be in accordance with DOD-STD-2000 or commercial equivalent. Processor Boards being repaired will also be reconditioned to ensure they are in “Like New” condition in accordance with specifications.

Warranty Terms: The Contractor will provide a 1-year warranty against material workmanship and against faults occurring during operation. This 1-year warranty will begin after passing the final equipment inspection and acceptance for stock.

NRC Final Acceptance: All repaired and reconditioned Processor Boards are subject to Performance Quality Assurance testing/inspection and will be returned for corrections if discrepancies are found. All repaired and reconditioned Processor Boards will be inspected for material workmanship and tested for operational performance at the NRC in accordance with the listed specifications. To meet the material workmanship requirements, the Processor Boards will need to be in a “Like New” operating condition for example the unit’s connectors and associated hardware. All soldering connections and connectors/pins will be inspected to ensure no corrosion is present and the correct parts are installed. Soldering and circuit board repair shall be in accordance with DOD-STD-2000 or commercial equivalent. The NRC’s Inspection Branch will verify the Processor Boards will pass diagnostics tests and communicates properly with other components in an operational representative ASOS system. They will verify the Processor Board is using the current firmware (3.10) and includes a sticker on the unit indicating the current version of firmware loaded and a Processor Board with a daughter board will have a minimum battery backup voltage of 3.0 Volts. The Processor Board must then perform all normal processing using the ASOS operating and applications software in a live ASOS system with operational sensors. Any inspected item that does not meet the acceptance criteria will be returned to the vendor for rework at no additional cost to the government.

Deliverables: Each repaired and reconditioned Processor Board, by serial number, shall be supplied with a Repair Report documenting the repair, reconditioning and inspection to include results of all tests and failure analysis.

Shipping Address:

NATIONAL RECONDITIONING CENTER (NRC)

14200 MERRITT RD.

GRANDVIEW, MO. 64030

Transportability: Vendor is responsible for returning repaired products in a shipping container designed to withstand the vibration and shock encountered during transportation by ship, rail, truck, and aircraft. The units shall be packaged to prevent damage to include: physical, electrical, mechanical, cosmetic, and the units shall not be damaged or lose performance capability.

Final Note: When unforeseen problems arise, that may need clarification, please contact the Contracting Official immediately. If the unit has any problem that prevents a quality repair, do not work on the item until the issue can be resolved.

NRC Reviewed:

WSRB Repair Branch Review: Marcus Stevenson, Branch Chief, November 20, 2024 TI&MR Branch Review: Gregory Flores, Branch Chief, November 20, 2024

ASOS ACU / SCA PROCESSOR TEST PROCEDURE

BEFORE TESTING:

1. Replace all batteries.

2. Check Fuse and EMI filter along the face plate.

TEST PROCEDURE:

1. Verify that jumpers are installed at J902 / middle four pins. J902 is located at the bottom left corner of board (when holding the board by the face plate).

2. Install the SMON 5.2.26 Chip.

3. Install the ACU processor board into the THIRD SLOT of the tester.

4. Install the FLAT cable into the TOP connector on the front of the ACU processor board.

5. Install the ROUND cable into the BOTTOM connector on the front of the ACU processor board.

6. At the computer select PROCOM.

7. Turn ON tester.

8. WAIT 60 sec.

9. Select the PROBE button at the bottom of the screen.

10. Install jumper J02K (FIRST PIN).

11. Press RESET on tester.

12. Select F-DIAG button.

13. At end of test, follow Dialog Box.

14. Turn power OFF on tester.

15. Press OK. Observe timer at bottom of screen (5 min. countdown).

16. Turn power ON at tester.

17. Press OK. Wait for Dialog Box.

18. If the test FAILS, remove and replace the Daughter Board.

19. Enter board SERIAL NUMBER.

20. Wait 15 MINUTES or sometimes longer. Run again if test fails.

21. Follow instructions at WARNING.

22. Remove jumper and WAIT.

23. At pop ups press OK.

24. Observe the test for ERASING / PROGRAMING / VERIFING.

25. Press RESET button to reboot.

26. At the ASOS> CYCLE power at tester.

27. At the ASOS> turn power OFF at tester and wait 2 MINUTES.

28. Turn power ON at tester and allow test to run for 15 MINUTES.

29. Turn power OFF and remove the FUSE and SMON chip.

30. Turn power ON and wait 30 MINUTES.

31. If test passes, turn power OFF AND exit ProComm.

32. TEST COMPLETE.

33. Verify the 3.1 Sticker on the front of board.

34. Place FUSE and 3 SCREWS in a bag.