PWS_B52_Magnesium_Brakes_Oct_2016.pdf

PERFORMANCE-BASED WORK STATEMENT

FOR

B-52 MAIN BRAKE HOUSING RESIN IMPREGNATION

31 October 2016

PERFORMANCE-BASED WORK STATEMENT

TABLE OF CONTENTS

SECTION PAGE

1 DESCRIPTION OF SERVICES 3

2 BASIC SERVICES 3

3 SERVICES SUMMARY 4

4 GOVERNMENT FURNISHED PROPERTY AND SERVICES 4

5 QUALITY 5

6 APPENDICES 6

B-52 MAIN BRAKE HOUSING RESIN IMPREGNATION

1.0 DESCRIPTION OF SERVICES. The contractor shall perform a chromate coating application and resin impregnation of Air Force supplied magnesium B-52 brake housings. The work will be performed at the contractor’s facility in support of the 309th Commodities

Maintenance Group (309 CMXG) at Hill Air Force Base (AFB), Utah. The chromate coating is applied as a paint base and for corrosion protection. The resin impregnation is applied to prevent hydraulic fluid leakage through the porosity in the magnesium casting.

2.0 BASIC SERVICES. The contractor shall receive, treat, and return the brake housings to

Hill AFB within 14 calendar days. Lot sizes will range from 5 to 10 brake housings per shipment with no more than one lot shipped per week. Orders issued under this contract will be based upon our known requirements for the year and individual orders mayb be up to the full estimated amount for the year. The brake housings have no protective coating. In order to protect from humid air or shop environment that may accelerate corrosion, the contractor shall ensure to unpack just prior to processing. The contractor shall prevent damage to or the change to dimensions of machined surfaces. The contractor shall ensure that the internal housing passages remain free from contamination during the following treatment steps. Each housing weighs around 30 pounds. The alloy is AZ92 magnesium. The housings contain steel pins. Processing with the pins installed is authorized. The housings will be sent to the Contractor stripped of all coatings. They will be packaged dry with a desiccant and shipped to the contractor.

2. The following specific requirements apply:

2.1 Degrease and clean as necessary.

2.2 The contractor shall perform an initial dimension check on all brake housings per AMS-

M-3171 Para. 4.5.5.

2.3 Immerse in chrome pickle per paragraph 3.4.1 of AMS-M-3171 for 2 to 10 minutes and rinse. Mechanical cleaning per AMS-M-3171 Para. 3.2.2 is not authorized. The chromic acid pickle, paragraph 3.4.1 is the only pickling solution authorized. The acid fluoride or hydrofluoric acid treatments that are part of the Type III treatment are not considered as pickling solutions.

2.4 The contractor shall inspect dimension change on all brake housings per AMS-M-3171

Para. 4.5.5 using any convenient uniform surface. Dimension change shall be within tolerance of

AMS-M-3171 Table 2.

2.5 Apply a Type III coating in accordance with AMS-M-3171 Para. 3.6.3.

2.6 Resin impregnate in accordance with TO 4B-1-32 section 3.30 with the following exceptions. Use impregnating material qualified to MIL-I-17563C Class 1 or Class 3 rated for service at 400 degrees Fahrenheit. A suitable substitute to the Impco Desolve 292 product may be used if required to strip cured resin as called out in Paragraph 3.30 d. (3) (g). Metal stamping per paragraph TO 4B-1-32 Paragraph 3.30 d. (3) (h) is only required for magnesium housings that do not already have the “IMP” designation stamped on them.

2.7 Delivery/Shipment information. Shipment of parts to the Contractor will be the responsibility of Hill AFB. The contractor shall treat the brake housings and return to Hill AFB within 14 calendar days after receipt. The Contractor shall be responsible for return of the parts back Freight On Board (FOB) Hill AFB. Parts shall be packaged for return in the same containers and packaged the same as they were received from Hill AFB. Parts shall be returned to the following address:

532 CMMXS /MXDXAB

5760 Southgate Ave. (Bldg 507)

Hill AFB UT 84056-5228

Attn: Henry San Nicolas, (801) 777-7646

2.8 Data Deliverables.

2.8.1 A copy of the shop routing document certifying the completion of each process with an identifying stamp, signature, or initial and the date and the results of the dimension change per paragraph 4.5.5 of AMS-M-3171. (CDRL 001).

3.0 SERVICES SUMMARY

4. GENERAL INFORMATION

4.1 Government Furnished Property and Services

The Government will provide magnesium B-52 brake housings shipped in lots. Each lot will comprise a quantity ranging from 5 to 10 brake housings. The brake housings will be

# Performance Objective Paragraph Performance Threshold

A copy of the shop routing document certifying the completion of each process with an identifying stamp, signature or initial, and the date and the date and the results of the dimension change per paragraph 4.5.5 of

AMS-M-3171. (A001).

2.8.1

98% of brake housings with no verified deficiencies

2 The contractor shall treat the brake housings and return to Hill AFB within 14 calendar days after receipt.

2.7

90% of lots delivered within 14 calendar days after receipt

3 Dimension change shall be within tolerance of AMS-3171 Table 2

2.4 98% of brake housings with no verified deficiencies identified at the task order level on the Serialized Government Furnished Property Form

(Attachment A).

4.2 Quality Control: The contractor shall provide a complete Quality Control Program

(QCP) (CDRL A002) via a Qual ity Control Plan to ensure the requirements of this contract are met as specified. The contractor's quality management program shall demonstrate how it maintains quality by adhering to applicable Air Force T.O.s, drawings and 16PR 15601 and provide procedures to correct quality deficiencies . This quality program shall also demonstrate how the contractor has implemented FOD prevention procedures. The QCP is to be delivered with the contractor’s proposal. Three copies of a comprehensive written QCP shall be submitted to the CO, COR, and SME within 5 working days when changes are made thereafter. After acceptance of the quality control plan the contractor shall receive the contracting officer's acceptance in writing of any proposed change to his QC system.

4.2.1 Quality Assurance: The government shall evaluate the contractor's performance under this contract in accordance with the Quality Assurance Surveillance Plan. This plan is primarily focused on what the Government must do to ensure that the contractor has performed in accordance with the performance standards. It defines how the performance standards will be applied, the frequency of surveillance, and the minimum acceptable defect rate(s).

4.2.2 Contracting Officer Representative (COR): The (COR) will be identified by a separate letter. The COR monitors all technical aspects of the contract and assists in contract administration. The COR is authorized to perform the following functions: assure that the Contractor performs the technical requirements of the contract: perform inspections necessary in connection with contract performance: maintain written and oral communications with the Contractor concerning technical aspects of the contract; monitor

Contractor's performance and notifies both the Contracting Officer and Contractor of any deficiencies; coordinate availability of government furnished property, and provide site entry of Contractor personnel. A letter of designation issued to the COR, a copy of which is sent to the Contractor, states the responsibilities and limitations of the COR, especially with regard to changes in cost or price, estimates or changes in delivery dates. The COR is not authorized to change any of the terms and conditions of the resulting order.

4.3 Labor Hours Reporting:

4.3.1 The contractor shall report ALL contractor labor hours (including subcontractor labor hours) required for performance of services provided under this contract for the B-

52 Brake Housings via a secure data collection site. The contractor is required to completely fill in all required data fields at http://www.ecmra.mil.

4.3.2 Reporting inputs will be for the labor executed during the period of performance for each Government fiscal year (FY), which runs 1 October through 30 September. While inputs may be reported any time during the FY, all data shall be reported no later than 31

October of each calendar year. Contractors may direct quest ions to the CMRA help desk.

http://www.ecmra.mil/

4.3.2.1 Uses and Safeguarding of Information: Information from the secure web site is considered to be proprietary in nature when the identified contract number and contractor are associated with the direct labor hours and direct labor dollars. At no time will any data be released to the public with the contractor name and contract number associated with the data. User Manuals: Data for Air Force service requirements must be input at the Air Force CMRA link. However , user manuals for government personnel and contractors are available at the Army CMRA link at http://www.ecmra.mil.

4.4 Mishap Notification:

4.4.1 Provide protection to Government property to prevent damage during the period of time the property is under the control or in possession of the contractor.

4.4.2 Include a clause in all subcontracts to require subcontractors to comply with the safety provisions of this contract as applicable, including subcontractor cooperation and assistance in accident reporting and investigations.

4.4.3 Record and report promptly (within one hour) to the Contracting Officer (CO) or designated Government representative, all available facts relating to each instance of damage to Government property or injury to either contractor or Government personnel.

4.4.4 In the event of an accident/mishap, take reasonable and prudent action to establish control of the accident/mishap scene, prevent further damage to persons or property, and preserve evidence until released by the accident/mishap investigative authority through the contracting officer.

4.4.5 Cooperate fully and assist Government personnel should the Government elect to conduct an investigation of an accident/mishap. This cooperation will last until the conclusion of the investigation.

5. APPENDICES

A. Acronyms & Abbreviations List

B. References http://www.ecmra.mil./

APPENDIX A - ACRONYMS AND ABBREVIATIONS LIST

Acronym/Abbreviation Definition

AFB Air Force Base

CDRL Contract Data Requirements List

CO Contracting Officer

COR Contracting Officer Representative

CMXG Commodities Maintenance Group

CMMXS Commodities Maintenance Squadron

FOB Freight On Board

FY Fiscal Year

PWS Performance-Based Work Statement

QASP Quality Assurance Surveillance Plan

TO Technical Order

APPENDIX B - REFERENCES

AMS-M-3171, Processes for Pretreatment and Prevention of Corrosion on Magnesium Alloy

MIL-I-17563C, Impregnates for Cast or Powder Metal Components

T.O. 4B-1-32, Maintenance and Overhaul Instructions for all type Aircraft Brakes