Controllable Pitch Propeller Blade Set and Monoblock Propeller Overhauls

Amendment / Modification

This amendment addresses a vendor question regarding American Bureau of Shipping (ABS) certification requirements.

• The amendment clarifies the requirement for ABS certification in relation to the solicitation's technical standards for inspection and acceptance criteria.

• ABS certification is NOT required for the facility. Compliance with referenced ABS technical criteria, subject to U.S. Coast Guard SFLC Quality Assurance inspection and acceptance, is sufficient.

• A NAVSEA-certified employee is required, specifically for visual inspections (VPI: Visual Preservation Inspection, and VTI: Visual Technical Inspection).

• Vendors may provide ABS certification for additional documentation if they choose, in accordance with section L. on the technical evaluation criteria.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for the inspection, repair, and overhaul of U.S. Coast Guard 65' and 75' River and Construction Tender propellers to a serviceable, "A-condition".

• Inspect and overhaul Left-Hand (LH) and Right-Hand (RH) propellers.

• The government will provide propellers as Government Furnished Property (GFP).

• Workmanship must result in a polished, professional finish, free of defects.

• Inspections: Includes arrival, visual preservation (VPI), visual and technical (VTI), and geometrical/dimensional inspections.

• Geometrical/Dimensional Inspections: Must adhere to Coast Guard Drawing 75-WAGL-4400-003 and ISO 484/2, Class I standards. Specific measurements include blade radius length, section pitch, average blade pitch, blade section widths, maximum blade thicknesses, blade track, fairness, and surface finish.

• Surface Inspections: Visual and Non-Destructive Testing (NDT) using dye penetrant.

• Overhaul/Repair: Repairs must be made in accordance with specified tolerances (ISO 484/2, Class I and Drawing 75-WAGL-4400-003).

• Welding: Specific requirements for critical blade areas, with a warning regarding welding between 0.2 and 0.25 radii requiring prior KO approval. Welding must be documented.

• Surface Finish: Blade surfaces must achieve 63 micro inches Ra; hub exterior surfaces 125 micro inches Ra.

• Balancing: Single plane balancing required per MIL-STD-167-1A, including demonstration of balance machine sensitivity and documentation of final unbalance.

• Final Inspection and Report: Includes inspections on areas affected by repairs and provision of final inspection and test results.

• Stamping: Propellers must be stamped with repair facility name, completion date, serial number, RH/LH designation, material type, and weight.

• QA Inspection: Coast Guard QA inspection required post-KO acceptance.

• Photography: Required for various stages including initial receipt, damaged area repairs, NDT failures, in-process repairs, final inspection, and prior to packing/shipping.

• Not explicitly stated in this document, but implied to be at the contractor's facility.

• Adherence to numerous referenced standards and drawings (e.g., SFLC Std Spec 0740, ABS Rules, ASTM E1417, DOD-STD-2185, ISO 484/2, MIL-STD-167-1A, SAE-J-448A).

• Government Furnished Property (GFP) management.

• Detailed documentation and reporting requirements, including an Open and Inspect Report (OIR) and Final Inspection Report.

• Specific marking requirements for propellers.

• Section 4 forms are provided for convenience; contractors may use clearer forms.

• Post-repair/overhaul activities (preservation, packaging, packing, shipping) are detailed in the General Requirements work item, Section 5.

• Supplementary requirements in Section 5 take precedence over General Requirements in case of conflict.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the general requirements for conducting inspections, repairs, and overhauls of USCG Controllable Pitch Propeller (CPP) blades and Monobloc Propellers. The work is to be performed at commercial contractor facilities.

• General Requirements: All components serviced must adhere to these general requirements unless modified by individual work items.

• Requirements Precedence: Specific individual work item requirements take precedence over these general requirements in case of conflict.

• Work Responsibility: Contractors must provide all labor and materials for inspection, repair, or overhaul.

• Welding and Brazing: Must be performed in accordance with SFLC Std Spec 0740. Welder certifications must be available for review.

• Inspections: Includes Visual Preservation Inspections (VPI), Visual Technical Inspections (VTI), and geometrical/dimensional inspections. Personnel must be qualified via NAVSEA or equivalent.

• Arrival Inspections: Contractors must verify Government-Furnished Property (GFP) upon receipt and submit an Arrival Inspection Report within 5 business days.

• Open, Inspect and Report (OIR): Required within ten (10) days of GFP receipt, detailing estimated costs, findings, and recommendations (repair or Beyond Economical Repair - BER).

• Geometrical/Dimensional Inspections: Must use electronic, computer-aided equipment (e.g., CMM, Prop Scan) with a minimum accuracy of 0.001".

• Final Inspections: Detailed reports must be submitted to the KO for approval prior to Coast Guard QA verification inspection.

• Quality Assurance: Contractors must maintain an inspection system compliant with ANSI/ASQC Q9001.

• Calibration: Test equipment must be calibrated in compliance with ISO/IEC 17025.

• Corrective Action: Failures require reporting to the KO with a corrective action recommendation, subject to KO approval.

• Work is performed at commercial contractor facilities.

• Final QA inspections are conducted at the Contractor's facility prior to shipping.

• Shipping is to the US Coast Guard Surface Forces Logistics Center in Baltimore, MD.

• Preservation, Packaging, Packing, Marking, and Shipping: Detailed requirements are provided, including cleaning, preservation methods (SAE AMS-T-22085, MIL-DTL-2845E), packaging in reusable containers, specific markings (NSN, part number, serial number, etc.), and shipping procedures. All packaging and marking will be inspected by Coast Guard SFLC QA personnel.

• Government Furnished Property (GFP): Contractor is responsible for the care and security of all GFP received.

• Warranty: Standard manufacturer's warranty applies.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for the inspection and overhaul of U.S. Coast Guard 65' Light Harbor Tug right-hand propellers to a serviceable, A-condition.

• Inspect and overhaul one (1) U.S. Coast Guard 65' Light Harbor Tug right-hand propeller.

• The propeller is Government Furnished Property (GFP).

• The specific propeller is identified by National Stock Number (NSN) 2010-01-482-6135 and Part Number (P/N) 4B56Dx46P-RH.

• Workmanship: Propellers must have a polished, professional finish, free of dirt, grease, burrs, and sharp edges.

• Inspections: A comprehensive set of inspections are required, including:

  • Arrival Inspection
  • Visual Preservation Inspection (VPI)
  • Visual and Technical Inspections (VTI)
  • Geometrical/dimensional inspections (using Coast Guard Drawing 65B-WYT-4400-3 and ISO 484/2, Class II standards).
  • Surface inspections (visual and NDT - dye penetrant).

• Repair Tolerances: Must adhere to ISO 484/2, Class II and Coast Guard Drawing 65 WYTL 4400-3.

• Welding: Specific requirements for welding in critical blade areas, with a warning for welding between 0.2 and 0.25 radii requiring prior KO approval. All welding must be documented.

• Surface Finish: Blade surfaces from 0.2R to tip must achieve a finish of 63 micro inches Ra or better. Hub exterior surfaces require a finish of 125 micro inches Ra or better.

• Balancing: Single plane balancing in accordance with MIL-STD-167-1A is required. The contractor must demonstrate balance machine sensitivity and document the final actual unbalance.

• Residual Imbalance: Must not exceed the calculated value based on the provided formula.

• Not explicitly stated, but implied to be at the contractor's facility.

• Documentation: An Open and Inspect Report (OIR) must be submitted, including all inspection and measurement results. A Final Inspection Report is also required, including balancing data. Photo documentation is required for various stages of the process, including in-process repairs and final condition.

• Stamping: Each propeller must be stamped with specific information (repair facility, completion date, serial number, etc.).

• QA Inspection: A Coast Guard SFLC QA inspection must be scheduled following KO acceptance of the Final Inspection Report.

• References: The document references numerous Coast Guard drawings, publications, and industry standards (ABS, ASTM, DOD, ISO, MIL-STD, SAE).

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for the repair and overhaul of U.S. Coast Guard 87' Patrol Boat propellers.

• Repair and overhaul of U.S. Coast Guard 87' Patrol Boat propellers.

• Includes inspection, repair, and overhaul processes.

• Government-furnished property (GFP) includes propellers and reusable shipping crates.

• Inspections:

  • Arrival inspection
  • Visual Preservation Inspection (VPI)
  • Visual and Technical Inspections (VTI)
  • Geometrical/dimensional inspections (including hub bore, surface finish, dye penetrant, and geometrical data like blade radii, pitches, widths, thickness, track, edge conditions, angular spacing, surface finish, hub bore inspections, material composition, balancing, and fairness).

• Workmanship: Propellers must have a polished, professional finish, free of dirt, grease, burrs, and sharp edges.

• Repair: Welding repairs must meet ABS Part 7 Appendix 1, Section 10 requirements. Material removal for balance must be from the suction face and not approach edges within 10% of blade width.

• Post-Repair: Includes re-doing affected inspections/tests, providing a final report with a written narrative, and ensuring proper markings.

• QA Inspection: A Coast Guard SFLC QA inspection is required before preservation, packing, and packaging.

Not explicitly stated in this document, but implies work performed by the contractor on government-furnished propellers.

• Adherence to U.S. Coast Guard Drawing 87 WPB 245-003 for baseline design criteria.
• Compliance with ISO 484/2, Class 1 for inspection processes and tolerances (unless otherwise noted).
• Dye penetrant inspection to be performed by a certified Level II NDT Technician.
• Photo documentation required for welding repairs and dye penetrant inspection discontinuities.
• No machining or grinding after final balance check.
• Refer to General Requirements work item for preservation, packaging, packing, and shipping requirements.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for inspecting and repairing Controllable Pitch Propeller (CPP) blades for the 270' Class to a serviceable, A-condition.

• Inspect and repair CPP blades.

• Perform general inspection, repair, and overhaul.

• Ensure polished, professional finish free of defects.

• Conduct arrival, visual preservation, and visual/technical inspections.

• Perform geometrical/dimensional inspections including:

  • Blade radius length
  • Section pitch
  • Blade pitch average
  • Blade section widths
  • Maximum blade thicknesses
  • Blade track
  • Fairness survey
  • Surface finish survey

• Conduct surface inspections (visual and NDT - dye penetrant).

• Measure bolt and dowel pin holes, dowel hole centers, and bolt hole contact faces.

• Perform palm dimension surveys and sealing surfaces surveys.

• Conduct overhaul/repair as authorized by a Change Request.

• Perform welding as per specified requirements, documenting all welds.

• Ensure specific surface finishes for blade surfaces (63 micro inches or better) and fillets/palms (125 micro inches or better).

• Single plane balance each blade set.

• Measure palm thicknesses around bolt shank holes.

• Restore sealing surfaces to 32 micro inches or better.

• All work must be accomplished in accordance with specified requirements and tolerances.

• Repair tolerances must align with NAVSEA S9245-AR-TSM-010/PROP, Table 6-1, Class II and Coast Guard Drawings 901 WMEC 245-004.

• Surface finishes must meet specified micro inch requirements.

• Residual imbalance must not exceed calculated values.

• Government Quality Assurance Representative will validate inspections and tests.

• Not explicitly stated in this document, but implies work on Government-furnished property (GFP) issued by the USCG Surface Forces Logistics Center, Baltimore, MD.

• Government-furnished property (GFP) includes specific blade sets and a dummy hub.

• Adherence to various Coast Guard and industry standards (e.g., SFLC Std Spec 0740, ASTM E1417, DOD-STD-2185).

• Welding on the pressure face in critical areas requires prior KO approval.

• Photo documentation is required for various stages of repair and inspection.

• Specific preservation, packaging, and bar coding requirements are detailed.

• Final Inspection Report required, including all unaffected pre-repair data.

• Blades must be stamped with specific information post-repair.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document defines the requirements for inspecting and repairing Controllable Pitch Propeller (CPP) blades for the 210 'B' Class vessels to a serviceable 'A' condition.

• Inspect and repair CPP blade sets (Left Hand and Right Hand).

• Utilize Government Furnished Property (GFP) including specific blade sets and dummy hubs.

• Perform various inspections including arrival, visual preservation, and visual/technical inspections.

• Conduct geometrical/dimensional inspections using specified drawings and technical manuals.

• Perform overhaul/repair as authorized by a Change Request.

• Conduct final inspections and testing.

• Stamp repaired blades with required information.

• Coordinate with the Coast Guard QA for final inspection.

• Blades must achieve a polished, professional finish, free of defects.

• Surface finish requirements: 63 micro inches or better for blade surfaces, 125 micro inches or better for fillets and palms.

• Sealing surfaces require a finish of 32 micro inches or better.

• Specific tolerances for repairs are detailed in NAVSEA S9245-AR-TSM-010/PROP, Table 6-1, Class I.

• Balancing requirements include demonstrating machine sensitivity and achieving specified residual imbalance.

Not explicitly stated in this document, but implies work will be performed by the contractor.

• Adherence to numerous referenced documents including Coast Guard drawings, publications, and various industry standards (ABS, ASTM, DOD-STD, NAVSEA, SAE).
• Detailed requirements for welding, including alloy determination, zinc equivalent testing, and stress relieving for specific alloys.
• Extensive photo documentation requirements throughout the repair process, including in-process repairs and final condition.
• Specific preservation, packaging, packing, and shipping requirements are referenced.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document defines the requirements to inspect and repair Controllable Pitch Propeller (CPP) blade(s) for the 210 "A" Class to a serviceable, A-condition.

• Inspect and repair CPP blade(s).

• The government will furnish property (GFP) including blade sets (Left Hand and Right Hand) and a dummy hub.

• Detailed inspections include:

  • Visual Preservation Inspection (VPI)
  • Visual and Technical Inspections (VTI)
  • Geometrical/dimensional inspections (radius length, section pitch, blade pitch average, section widths, thickness, blade track, fairness, surface finish, bolt hole contact face measurements, sealing surfaces).
  • Surface inspections (visual, Nondestructive test - dye penetrant).
  • Material composition determination.
  • Palm bolt and dowel pin holes measurements.

• Overhaul/repair will be performed as authorized by the Contracting Officer (KO).

• Welding specifics include requirements for critical blade areas, patched pieces, and hot work repairs.

• Surface finish requirements: 63 micro inches or better for blade surfaces, 125 micro inches or better for blade fillets and palms.

• Balancing of blade sets using government-furnished dummy hub.

• Final inspection and stamping of repaired blades.

• All work must be accomplished in accordance with specified requirements and tolerances (NAVSEA S9245-AR-TSM-010/PROP, Table 6-1, Class I).

• Surface finish requirements (63 and 125 micro inches).

• Balancing requirements and residual imbalance limits.

• Final Inspection Report documenting all inspections, tests, and balancing data.

Not explicitly stated in this document excerpt, but implies a contractor facility for repair.

• Workmanship must result in a polished, professional finish, free of defects.
• Adherence to specific standards and publications (Coast Guard Drawings, SFLC Std Spec 0740, ABS Rules, ASTM E1417, DOD-STD-2185, NAVSEA Technical Manual, SAE-J-448A).
• Documentation requirements include Open and Inspect Report (OIR), Final Inspection Report, and photographic documentation of various stages.
• Specific preservation, packaging, and marking requirements are detailed in Section 5.

Form / Attachment / Pricing Sheet

This document contains compliance forms for propeller inspections, including initial and final inspection checklists. It details specific inspection points and requirements for various propeller components.

• Material Composition: Checks material compliance per ABS 7, Section 10, Type 4 (not applicable to overhaul and repair).
• Bolt Hole Inspections: Verifies threads fully engage using a go/no-go gauge and checks lifting hole threads.
• Hub Bore Inspection: Dimensional inspection against Coast Guard Drawing 87 WPB 245-003, including measurements for large and small end diameter, hub length, keyway width, and depth.
• Surface Finish: Requires measurements for various locations on the blades, hub, and bore/keyway, with specified Ra values.
• Balancing: Details requirements for mandrel/concentric ring TIR, RPMs, estimated propeller weight, and maximum residual unbalance.
• Surface Inspection: Requires documentation of defects found during dye penetrant inspection, with specific instructions for highlighting and annotating.
• Inspection Report Data: Includes detailed tables for propeller blade radii, local pitches, section pitches, mean pitch per blade, mean propeller pitch, blade section widths, and maximum thickness at prescribed stations.
• Track Deviation/Rake: Specifies requirements for track deviation and rake measurements.
• Angular Spacing of Blade Center Axis: Requires measurement of the angular spacing between blade center axes.
• Propeller Identification Markings: Checklist for verifying required markings on newly manufactured propellers.
• Photo Documentation: Instructions for providing photographs in accordance with specified sections.

This document serves as a detailed checklist and data recording form for propeller inspections. Bidders involved in propeller manufacturing, repair, or overhaul will need to understand these inspection criteria and data recording requirements to ensure compliance and successful completion of contract deliverables. It outlines the specific quality control and inspection processes that will be applied.

Form / Attachment / Pricing Sheet

This document contains compliance forms for the inspection of 154 (FRC) propellers, specifically for overhaul and repair.

• Initial and Final Inspection Fields: Includes spaces for serial numbers, dates, and contractor inspector names.
• Material Composition: Requires verification per ABS 7, Section 10, Type 4 (not applicable to overhaul and repair).
• Hub Bore Inspection: Details dimensional requirements for the large end diameter, hub length, bore taper, and helical groove depth. Includes a "Go/No-Go" for blue fit and draw.
• Surface Finish: Specifies required surface roughness (Ra Class 1) for various blade locations and the hub/bore, with options for providing sketches or photographs in lieu of measurements.
• Balancing: Requires static balancing per ISO 484/1 (Class 1).
• Surface Inspection: Mandates documentation of ALL defects found during dye penetrant inspection, with specific instructions for highlighting and annotating defects outside allowable parameters.
• Inspection Report Data: Includes detailed tables for measuring propeller blade radii, local pitches, section pitches, mean pitch per blade, mean propeller pitch, blade section widths, and maximum thickness at prescribed stations.
• Track Deviation/Rake: Requires measurement of track deviation and rake at specified points.
• Blade Center Axis Angular Spacing: Specifies a requirement of 60.0° +/- 0.5°.
• Propeller Identification Markings: A checklist for verifying markings on newly manufactured propellers, including serial number, ship class, rotation direction, NSN, design diameter, design pitch, manufacturer name/date, weight, and material grade.

This document outlines the specific inspection and compliance requirements that must be met for the overhaul and repair of 154 (FRC) propellers. Bidders involved in such services will need to adhere to these detailed measurement, testing, and documentation standards. The forms provide the framework for reporting compliance and will likely be a critical part of the deliverable or acceptance process.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document defines the requirements for the inspection and overhaul of U.S. Coast Guard 160' WLIC propellers to a serviceable, A-condition.

• Inspect and overhaul U.S. Coast Guard 160' WLIC propellers.

• The government will furnish the propellers as property.

• All work must be accomplished in accordance with the requirements within this work item.

• Workmanship must result in a polished, professional finish, free of defects.

• Specific dimensional and surface finish tolerances are detailed, referencing various standards (ISO 484/2, SFLC Std Spec 0740, ASTM E1417, DOD-STD-2185, MIL-STD-167-1A, SAE-J-448A).

• Balancing must be performed in accordance with MIL-STD-167-1A.

• Residual imbalance must not exceed calculated values.

• Not explicitly stated, but implies a contractor facility capable of propeller overhaul.

• Inspections: Includes arrival, visual preservation, visual and technical, and geometrical/dimensional inspections.

• Repairs: Must be performed if authorized by the Contracting Officer (KO).

• Welding: Specific requirements for critical blade areas, with a warning for welding between 0.2 and 0.25 radii requiring prior KO approval. Welding must be documented.

• Photography: Required for various stages including initial receipt, in-process repairs, final inspection, and pre-shipping.

• Reporting: Requires an Open and Inspect Report (OIR) and a Final Inspection Report.

• QA Inspection: Contractor must schedule a QA inspection by the Coast Guard SFLC QA Representative.

• Markings: Specific examples of required markings for left-hand and right-hand propellers are provided.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for the repair and overhaul of U.S. Coast Guard 154' FRC Patrol Boat propellers.

• Repair and overhaul of U.S. Coast Guard 154' FRC Patrol Boat propellers.

• Includes inspections, repairs, and overhaul processes.

• Government-furnished property (GFP) includes Right Hand and Left Hand propellers, and a reusable shipping crate.

• All work must be accomplished in accordance with specified requirements, including Coast Guard drawings and ISO 484/2, Class 1 standards for inspection processes.

• Workmanship must result in a polished, professional finish, free of dirt, grease, burrs, and sharp edges.

• Specific inspections include: Arrival, Visual Preservation (VPI), Visual and Technical (VTI), and Geometrical/dimensional inspections.

• Dye penetrant inspection required on 100% of blade, fillet, and hub surfaces.

• Balancing must be conducted via static balance test unless visual inspection indicates an obvious out-of-balance condition.

• Welding repairs must meet ABS Part 7 Appendix 1, Section 10 requirements.

Not explicitly stated in this document, but implied to be at the contractor's facility.

• Adherence to "Limited Rights Notice" on specific Coast Guard drawings.
• Use of specific Coast Guard Drawings (154 WPC 245-303, 154 WPC 245-304, 154 WPC 245-901) and publications.
• Compliance with ABS Rules, ASTM E1417, and ISO 484-2 standards.
• Documentation of all inspections and repairs using 154 (FRC) Propeller Compliance Forms.
• Photo documentation required for welding repairs and dye penetrant inspection results.
• Post-repair/overhaul activities (preservation, packaging, marking, shipping) refer to General Requirements work item, Section 5.
• Final QA inspection by Coast Guard SFLC is required.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for the Contractor to receive, store, inspect, repair, test, preserve, package, pack, and mark NiAlBr ABS type 4 Z-drive propellers used on 175FT WLM Coastal Buoy Tenders.

• Repair of two specific propeller types: Right Hand 5 Blade WLM Z-Drive (NSN: 2010-01-F07-1222) and Left Hand 5 Blade WLM Z-Drive (NSN: 2010-01-F07-1221).

• Contractor is responsible for all labor, equipment, and materials for refurbishment to a serviceable condition.

• "Serviceable condition" means capable of functioning as a new propeller, though not necessarily appearing new.

• Propellers must be refurbished to meet specific tolerances outlined in ISO 484/1 Class II (medium accuracy) and USCG Drawing 175-WLM-245-002, Rev A.

• If Class II is not achievable, Class III tolerances may be acceptable with notation.

• Surface finish requirements: 63 micro inches or better for blade surfaces, 125 micro inches or better for blade fillets.

• Single plane balancing in accordance with MIL-STD-167-1A, paragraph 5.2.2.

• Final inspection reports are required for dimensional, balancing, visual, and dye penetrant inspections.

• Not explicitly stated, but implies performance at the Contractor's facility.

• Government-furnished property (GFE) and Government-furnished equipment (GFP) must be stored securely (closed, dry, locked when unattended) and handled safely.

• Contractor must determine propeller alloy by chemical composition analysis prior to repairs.

• Detailed inspection and testing requirements, including visual, dye penetrant, and dimensional inspections.

• Welding procedures, qualifications, and welder performance qualifications must be certified and submitted for approval.

• ABS certification for weld repairs in Severity Zone A is required.

• Photo documentation is required at various stages of the process.

• Specific packing, marking, and shipping instructions are provided, including bar coding requirements.

• Quality assurance system must meet ISO 9001 requirements and be available for review.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for the inspection and overhaul of U.S. Coast Guard 75' F River Tender propellers to a serviceable, "A-condition".

• Inspect and overhaul Left-Hand (LH) and Right-Hand (RH) propellers.

• The propellers are government-furnished property (GFP).

• Workmanship must result in a polished, professional finish, free of defects.

• Inspections:

  • Arrival inspection
  • Visual Preservation Inspection (VPI)
  • Visual and Technical Inspections (VTI)
  • Geometrical/dimensional inspections using Coast Guard Drawing 75-WLR-F-245-003 and ISO 484/2, Class I standards.
  • Surface inspections (visual and NDT - dye penetrant).

• Overhaul/Repair:

  • Repairs must adhere to ISO 484/2, Class I and Coast Guard Drawing 75-WLR-F-245-003.
  • Specific welding requirements and documentation are detailed.

• Surface Finish:

  • Blade surfaces: 63 micro inches Ra (0.2R to tip).
  • Hub exterior surfaces: 125 micro inches Ra.
  • Removal of imperfections from keyways, glands, hubs, flanges, and mating surfaces.

• Balancing:

  • Single plane balancing in accordance with MIL-STD-167-1A.
  • Specific procedures for demonstrating balance machine sensitivity and documenting residual imbalance.

• Final Inspection and Report:

  • Conduct final inspections and tests.
  • Submit a Final Inspection Report including balancing data.

• QA Inspection:

  • Schedule a Coast Guard SFLC QA inspection after Final Inspection Report approval.

Not explicitly stated in this document; refer to the main solicitation or contract.

• Documentation: Submit an Open and Inspect Report (OIR) for all inspections and measurements. Provide photo documentation of repairs, NDT findings, and final condition.
• Markings: Specific markings for LH and RH propellers are detailed, including Stock Number, Part Number, Serial Number, Contract Number, Shipping Weight, and Condition Code.
• References: The document references numerous Coast Guard drawings, publications, and industry standards (ABS, ASTM, ISO, MIL-STD, SAE).

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for inspecting and repairing Controllable Pitch Propeller (CPP) blade sets for the 225' WLB Class of vessels to a serviceable, A-condition.

• Inspect and repair of 225' Class CPP blade sets.

• Includes visual, technical, and geometrical/dimensional inspections.

• Repair and overhaul of blades as needed.

• Balancing of blade sets.

• Stamping of repaired blades with required information.

• All work must be accomplished in accordance with specified requirements and standards.

• Workmanship must result in a polished, professional finish, free of defects.

• Specific surface finish requirements for blade surfaces, fillets, palms, and sealing surfaces (e.g., 63 micro inches, 125 micro inches, 16 micro inches, 32 micro inches).

• Residual imbalance limits for corrected blades.

Not explicitly stated in this document, but implies work will be performed by a contractor.

• Government Furnished Property (GFP) will be provided (Blade Set, Propeller, Right Hand and Dummy Hub, Propeller RH).
• Adherence to numerous referenced documents including Coast Guard Drawings, Specifications, and various industry standards (ABS, ASTM, DOD, NAVSEA, SAE).
• Detailed requirements for inspections, measurements (e.g., blade radius length, pitch, width, thickness, track, fairness), welding, surface finish, and balancing.
• Photo and written documentation requirements throughout the process, including pre-repair, in-process, and final inspection.
• Specific marking and labeling requirements for repaired blades and containers, including "REUSABLE CONTAINER – DO NOT DESTROY".
• Bar coding requirements for containers.
• Quality Assurance (QA) inspection by the Coast Guard.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document defines the requirements for the inspection and overhaul of U.S. Coast Guard 140 WTGB propellers to a serviceable, A-condition.

• Inspect and overhaul one (1) Right-Hand (RH) propeller, National Stock Number (NSN) 2010-01-078-8216, Part Number (P/N) 101WYTM-245-001.

• The propeller is Government Furnished Property (GFP) managed by the USCG Surface Forces Logistics Center (SFLC), Baltimore MD.

• All inspections, repairs, and overhaul must meet the requirements within this work item.

• Workmanship must result in a polished, professional finish, free of dirt, grease, burrs, and sharp edges.

• Specific measurements and tolerances are detailed, referencing ISO 484/2 Class I and Coast Guard Drawing 101-WTGB-245-001.

• Surface finish requirements: 63 micro inches Ra for blade surfaces (0.2R to tip) and 125 micro inches Ra for hub exterior surfaces.

• Balancing must be performed in accordance with MIL-STD-167-1A, with specific residual imbalance limits.

• Not explicitly stated, but implied to be at the contractor's facility.

• Inspections: Includes arrival inspection, Visual Preservation Inspection (VPI), Visual and Technical Inspections (VTI), and Geometrical/dimensional inspections.

• Repairs: Must be performed in accordance with authorized Change Requests.

• Welding: Critical blade areas require specific procedures; welding between 0.2 and 0.25 radii requires prior KO approval. All welding must be documented.

• Documentation: Requires an Open and Inspect Report (OIR) including all inspection and measurement results. Photo documentation is required for in-process repairs, NDT findings, and final condition.

• Stamping: Each propeller must be stamped with specific information (serial number, ship class, NSN, design diameter, etc.).

• Final Inspection: Includes final inspection, test results, and balancing data provided in a Final Inspection Report.

• QA Inspection: Contractor must schedule a Coast Guard SFLC QA inspection prior to preservation, packing, and packaging.

• Photography: Detailed requirements for photographs at various stages (receipt, pre-repair, in-process, post-inspection, packing, shipping).

Forms / Attachments / Pricing Sheets

This document is a pricing schedule for the opportunity, detailing estimated hours, loaded labor rates, unit prices, estimated units, and total costs for various contract line items (CLINs) across multiple years (Base Year, Option Year 1, Option Year 2, Option Year 3, Option Year 4).

• Base Year, Option Years 1-4: Each sheet outlines CLINs for different types of propellers (e.g., IBCT, WLIC-WLR, WTGB, WPB, WPC, MEC) with associated National Item Identification Numbers (NIINs) and Specification Groups.
• CLINs: Include labor hours, loaded labor rates, unit prices, estimated number of units, and total CLIN prices. Specific CLINs cover main tasks (e.g., 0001A, 1001A) and material costs (e.g., 0001B).
• Contingency Items: Separate CLINs are listed for "Replace shipping container" and "Return Beyond Economic Repair (BER) propeller" with associated units and totals.
• Estimated Totals: Each sheet provides an "Estimated Total" for that year.

This pricing schedule is crucial for bidders to understand the estimated costs associated with the various propeller types and services. It provides the structure for how pricing should be presented and is essential for developing a competitive proposal. Bidders should carefully review the estimated hours, units, and types of propellers to ensure their pricing is accurate and reflects the scope of work.

Solicitation / RFP / RFQ

This solicitation is for the overhaul of Controllable Pitch Propeller (CPP) blade sets and monobloc propellers. It is a firm-fixed-price indefinite delivery indefinite quantity (IDIQ) contract.

• Overhaul of Controllable Pitch Propeller (CPP) blade sets and monobloc propellers.

• Compliance with SFLC Standard Specification 0740 for welding procedures.

• Visual Inspection (including PPPM) and Certification of USCG propellers and/or blades by NAVSEA-certified personnel.

• Use of NAVSEA S9245-AR-TSM-010 and/or ISO-484-4 and -2.

• Compliance with ISO/IEC 17025 for test-equipment calibration program.

• In-use inspection system meeting ANSI/ASQC9003 requirements.

• Computer-aided inspection system for geometrical and dimensional inspections.

• Balancing equipment for propeller and blade set overhauls (dynamic and/or static).

• Contract Type: Requirements-Type Contract

• Period of Performance: One (1) Base Year with four (4) 12-month Option Years.

• Total Minimum Guarantee Amount: $15,000.00 per awardee.

• Total Not-To-Exceed Contract Ceiling: TBD

• Proposals are due by 02/23/2026, 12:00 PM.

• Offers must be submitted via email to the Contracting Officer and Contract Specialist.

• Evaluation factors include Technical Acceptability, Past Performance, and Price.

• Technical Acceptability requires a detailed narrative of the overhaul process, proof of calibration programs, inspection systems, and capability statements.

• Past Performance will be evaluated based on recent and relevant contracts (within 3 years).

• Price evaluation will determine reasonableness and ability to perform.

• Award will be made on a best-value tradeoff basis.

• This acquisition is UNRESTRICTED.

• NAICS Code: 331529

• Size Standard: 500 Employees

• Offerors must be the original equipment manufacturer (OEM) or an authorized dealer/agent.

• Standard commercial warranty terms and conditions must be submitted.

• A subcontracting plan is required.

• Offerors must complete representations and certifications electronically in SAM or via the provided forms.