A1_MTU SOW MDMC Final.pdf
PDF 149 KB Posted
- Attached to
- Restoration of engine crankcases and crankshafts
- Solicitation number
- M6700426Q0067
- Issued by
-
United States Marine Corps
About this file
This is a Statement of Work (SOW) for MTU 20V4000 Engine Block and Crankshaft Machining Services issued by Marine Depot Maintenance Command, Production Plant Barstow in Barstow, California.
The contractor shall provide comprehensive machining and restoration services for MTU 20V4000 diesel engine crankcases and crankshafts to restore components to original equipment manufacturer (OEM) serviceable condition. Required services include crankcase line bore machining, crankshaft inspection and polishing, installation of liner bore repair rings, and provision of associated replacement components. Optional services include crankcase deck machining, crankline machining repair, and crankshaft grinding, all performed in accordance with MTU/Rolls-Royce Solutions America OEM specifications and industry standards. The contractor must supply all labor, supervision, facilities, equipment, tooling, materials, and technical expertise necessary to complete the work. The Government will furnish MTU 20V4000 engine crankcases, crankshafts, and associated engine components as Government Furnished Property (GFP).
The contractor must complete all machining services within 90-120 days of receipt and maintain quality control procedures to ensure all repaired components meet OEM dimensional tolerances prior to return. Deliverables include an Inspection Report documenting inspections performed, a Dimensional Verification Report with measurements verifying OEM tolerances, and a Repair Certification certifying that repairs meet OEM specifications. The work is structured under seven contract line items: crankcase line bore machining, optional crankcase deck machining, optional crankline machining repair, crankshaft inspection and polishing, optional crankshaft grinding, spare components/associated parts, and liner bore repair rings. Inspection and acceptance shall be performed in accordance with FAR Part 46, and completed components shall be packaged using commercial best practices and returned to the Production Plant Barstow facility.
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Other files
| File | Type | Posted |
|---|---|---|
| A1 Brand Name JA Block Crank.pdf | ||
| D1_RFQ M67004-26-Q-0067.pdf |
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Text version
DISTRIBUTION: DoW COMMUNITY ONLY
STATEMENT OF WORK (SOW)
MTU 20V4000 Engine Block and Crankshaft Machining Services
Marine Depot Maintenance Command
Production Plant Barstow
Barstow, California
1.0 Background
Marine Depot Maintenance Command (MDMC), Production Plant Barstow performs depot-level maintenance and overhaul of equipment powered by MTU 20V4000 series diesel engines. Restoration of engine crankcases and crankshafts requires specialized machining procedures and tooling designed to meet original equipment manufacturer (OEM) specifications.
Due to the precision machining requirements and proprietary engineering specifications associated with MTU engines, certain machining services must be performed by an OEM-authorized service provider with the capability to restore engine components to OEM serviceable condition.
This requirement provides machining services necessary to restore MTU 20V4000 crankcases and crankshafts to OEM specifications.
2.0 Scope
The contractor shall provide all labor, supervision, facilities, equipment, tooling, materials, and technical expertise necessary to perform machining and restoration services for MTU 20V4000 engine crankcases and crankshafts.
Services shall be performed in accordance with MTU / Rolls-Royce Solutions America OEM specifications and industry standards applicable to precision diesel engine machining.
Work includes but is not limited to:
- Crankcase line bore machining
- Optional crankcase deck machining
- Optional crankline machining repair
- Crankshaft inspection and polishing
- Optional crankshaft grinding
- Installation of liner bore repair rings
- Provision of associated replacement components required to complete repairs
3.0 Applicable Documents
The contractor shall perform work in accordance with the most current revision of applicable technical documentation including but not limited to:
- MTU 20V4000 OEM maintenance manuals
- MTU machining and repair specifications
- OEM engineering drawings and tolerances
- Applicable industry machining standards
In the event of conflict between referenced documents, OEM specifications shall take precedence.
4.0 Government Furnished Property (GFP)
The Government will furnish the following items:
- MTU 20V4000 engine crankcases
- MTU 20V4000 crankshafts
- Associated engine components requiring inspection or machining
The contractor shall safeguard Government furnished property while in its possession and report any damage or discrepancies immediately to the Contracting Officer.
5.0 Contractor Responsibilities
The contractor shall:
1. Receive and inspect Government furnished engine components.
2. Perform dimensional inspection to determine machining requirements.
3. Conduct machining operations necessary to restore components to OEM serviceable condition.
4. Perform machining using equipment and procedures consistent with OEM specifications.
5. Provide replacement components required to complete repair operations.
6. Maintain quality control procedures to ensure dimensional tolerances are achieved.
7. Protect Government furnished equipment from damage during handling and machining.
8. Package and return completed components to the Government.
6.0 Technical Requirements
6.1 Crankcase Line Bore Machining
The contractor shall perform line bore machining of MTU 20V4000 crankcases to restore crankshaft main bearing alignment and dimensional tolerances in accordance with OEM specifications.
6.2 Optional Crankcase Deck Machining
If required based on inspection results, the contractor shall perform crankcase deck machining to restore flatness and dimensional tolerances.
6.3 Optional Crankline Machining Repair
The contractor shall perform crankline machining repair to restore proper crankshaft alignment when inspection identifies deviation from OEM alignment requirements.
6.4 Crankshaft Inspection and Polishing
The contractor shall perform dimensional inspection and polishing of crankshaft journals.
6.5 Optional Crankshaft Grinding
If inspection determines crankshaft journals exceed allowable tolerances, the contractor shall perform crankshaft grinding in accordance with OEM specifications.
6.6 Liner Bore Repair Rings
The contractor shall install liner bore repair rings as required to restore cylinder liner seating surfaces.
7.0 Quality Assurance
The contractor shall maintain a quality control system to ensure all machining and repair operations meet OEM specifications.
Inspection records shall be maintained and made available to the Government upon request.
All repaired components shall meet OEM dimensional tolerances prior to return to the Government.
8.0 Government Quality Assurance Surveillance
The Government may monitor contractor performance through review of inspection reports, verification of dimensional inspection documentation, and inspection of completed work.
9.0 Inspection and Acceptance
Inspection and acceptance shall be performed in accordance with FAR Part 46. Acceptance will be based on verification that work was performed in accordance with OEM specifications and required documentation is provided.
10.0 Packaging and Shipping
The contractor shall package all completed components to prevent damage during transport. Packaging shall comply with commercial best practices for heavy precision-machined components.
Completed components shall be returned to Marine Depot Maintenance Command, Production Plant Barstow, Barstow, California.
11.0 Period of Performance
The contractor shall complete machining services within 90-120 days of receipt.
12.0 Contract Line Item Structure (CLIN)
0001 – Crankcase Line Bore Machining 0002 – Optional Crankcase Deck Machining 0003 – Optional Crankline Machining Repair 0004 – Crankshaft Inspection and Polishing 0005 – Optional Crankshaft Grinding 0006 – Spare Components / Associated Parts 0007 – Liner Bore Repair Rings
13.0 Deliverables
Inspection Report – Documentation of inspections performed Dimensional Verification Report – Measurements verifying OEM tolerances Repair Certification – Certification that repairs meet OEM specifications
| 1.0 Background |
| 2.0 Scope |
| 3.0 Applicable Documents |
| 4.0 Government Furnished Property (GFP) |
| 5.0 Contractor Responsibilities |
| 6.0 Technical Requirements |
| 7.0 Quality Assurance |
| 8.0 Government Quality Assurance Surveillance |
| 9.0 Inspection and Acceptance |
| 10.0 Packaging and Shipping |
| 11.0 Period of Performance |
| 12.0 Contract Line Item Structure (CLIN) |
| 13.0 Deliverables |
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