Statement of Work 04-23-18 - Slip Ring.docx

Statement of Work Repair and Refurbish: NEXRAD Contact (Slip Ring) Electrical Ring Assembly

ASN: R400-2A1A2, NSN: 5977-01-388-6312

Version: April 23, 2018

Description: The Contractor shall repair and refurbish the Slip Ring Assembly to "Like New" operating condition, including external appearance in accordance with National Weather Service specification drawing no. 1213618 Revision F and NWS EHB 6-518 insert. The repair and refurbishment price shall include the parts, materials, labor, inspection and return shipping necessary to return the Slip Ring Assembly to operational specifications. Repair materials differing from the source specification are deemed suitable if cost benefits are shown, National Weather Service approved and performance is not negatively impacted.

Government Furnished Equipment: For each Slip Ring Assembly, the government will furnish one Power Block Assembly (R400-2A1A2A1), two Odd Number Signal Block Assemblies (R400-2A1A2A2) and two Even Number Signal Block Assemblies (R400-2A1A2A3).

Government Furnished Data: specification drawing no. 1213618 Revision F and NWS EHB 6-518 insert (when requested).

Vendor Furnished Equipment: As required to accomplish repair and refurbishment actions.

Recommended Equipment and Supplies: None

Frist Article: Please check the Purchase Order (SF1449) for any First Article requirements. If First Articles are required, they will need to be inspected and accepted by the NRC’s Inspection Branch before you will be given the “Notice to Proceed” from the Contracting Officer for the remaining units.

Description of Work – Work Procedures:

Refurbish the Slip Ring Assembly to “like new” condition which may include clean, paint, repair, connectors, and replace faulty internal items; therefore, the refurbished Slip Ring Assembly will meet the specification in drawing no. 1213618 Revision F and NWS EHB 6-518 insert.

NRC Final Acceptance: All repaired and refurbished Slip Ring Assemblies are subjected to Performance Quality Assurance checks and will be returned for corrections if discrepancies are found.

All repaired and refurbished Slip Ring Assemblies will be inspected for material workmanship and tested for operational performance at the NRC. To meet the material workmanship requirements, the assemblies will need to be in a like new condition and good appearance which will include surfaces which are normally painted be painted. The NEXRAD Inspection Unit will verify units meet operational requirements by testing each unit for proper and accurate functionality on a test fixture. Tests performed on the units will include a resistance check of the Slip Ring Assembly, testing the breakaway torque of the assembly, and verifying all operational levels and signals are present and at the proper level per specification drawing no. 1213618 Revision F and NWS EHB 6-518 insert.

Deliverables: A repaired and refurbished “like new” condition Slip Ring Assembly which will pass all inspection criteria. Each repaired and refurbished Slip Ring Assembly, by serial number, shall be supplied with a Repair Report documenting the repair and refurbishment actions taken including the probable or most likely cause of the Slip Ring Assembly malfunction.

Final Note: When unforeseen problems arise that may need clarification, please contact the NRC Jeffery Sickels at (816) 926-3157. If the unit has a major problem that prevents a quality repair, do not work on the item until the issue can be resolved.

NEXRAD Repair Branch: April 23, 2018; Jeffery Sickels TI&MR Branch Review: April 23, 2018; Gregory Flores