N3904024Q0044 Attachment 4 SOW_Redacted.pdf
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- Attached to
- Manufacture Weld Mockup Blocks For PNS
- Solicitation number
- N3904024Q0044
About this file
This document is a Statement of Work (SOW) for a federal contract opportunity solicitation (N3904024Q0044) issued by the Department of the Navy Naval Sea Systems Command to manufacture 100 weld mockup base blocks.
The SOW requires the contractor to produce 18" long base blocks per drawing 149D1555 Revision K, PC16, with specific delivery timelines (initial lot of 10 blocks in 6 weeks, then 20 blocks per month until completion). The government will provide 825 lbs of weld wire. The contractor must comply with all material, testing, and manufacturing requirements outlined in the SOW and drawing. PNSY reserves the right to inspect the manufacturing process and perform chemical analysis to ensure compliance. The solicitation is a small business set-aside, with award to be made to the responsible vendor whose quote conforms to the solicitation requirements at the lowest technically acceptable price.
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Text version
JML DOC #: 3286V100
Statement of Work
RF‐3077 LIN 0004 Weld Mockup – 18” Long Base Block
1. Manufacture one hundred (100) RF‐3077 LIN 0004, 18” Long Base Blocks in accordance with drawing 149D1555, Revision K, Pc‐16 and the additional requirements listed below.
2. Portsmouth Naval Shipyard (PNSY) is providing weld wire, 0.045 diameter MIL‐EN82H, 25 Spools, 33 lb each, for a total of 825 lb of weld wire.
3. Delivery of initial lot quantity of ten (10) blocks is required within 6 weeks of contract award. Follow‐on delivery requirements are a minimum of twenty (20) blocks per month until contract completion.
a. Ten (10) blocks are required 6 weeks after contract awarded.
b. Twenty (20) blocks are required each month thereafter, until entire contract quantity has been delivered.
c. The final shipment will be Ten (10) blocks delivered 6 weeks plus 4 months after contract awarded.
4. The PNSY technical Point of Contact (POC) in requesting Code 138.2 is
( ) or for Code 2370 is ( ).
5. Code 138/2370 requires a technical review of contractor bid(s) prior to contract award.
6. The contractor will comply with all specifications and provide all penetrant testing certifications, material test reports (chemical and mechanical) for both base material and filler, as outlined in drawing 149D1555 Revision K and this statement of work.
7. PNSY reserves the right to inspect the manufacturing progress and facility at any time during contract period. A minimum, five (5) working day notice will be given to the contractor for unplanned visits by a PNSY representative.
8. ASTM A516, Grade 60, 65, or 70 is a suitable substitution for the ASTM A515 specified on the drawing.
9. Minimum cladding thickness specified by drawing note #1 and #2 shall be .3125” and shall comprise a minimum of three (3) complete, even thickness layers of EN/RN 82
Alloy 600 filler per MIL‐E‐21562 after final machining. The specified minimum number of cladding layers is required to ensure that Iron (Fe) diffusion from the base material is less than 10% into the top layer of cladding. PNSY reserves the right to complete
Chemical Analysis (e.g. X‐Ray Fluorescence (XRF)) non‐destructive testing upon any parts manufactured under this contract and reject any parts where the elemental composition of Iron (Fe) exceeds 10% in the top layer of cladding material.
10. Manufacturing tolerances and requirements are as follows:
a. Minimum required surface finish is 125 Ra‐in on all surfaces.
b. Provided blocks shall have a top (horizontal) clad surface flatness of 0.005 inches. Mechanical straightening methods after clad welding and finish machining is permitted. Flatness tolerance applies to parts as delivered.
c. All dimensions, tolerances, and limits of size, form and location, and related terminology and symbols shall be in interpreted in accordance with American
National Standards Institute (ANSI) Y14.5 (Dimensioning and Tolerancing).
Tolerances for Untoleranced Linear Dimensions
Dimensions Under 6” 6‐18” Over 18”
3‐Place Decimals +/‐ .005 +/‐.008 +/‐ .015
2‐Place Decimal +/‐ .02 +/‐.03 +/‐.06
11. Cleaning – All foreign material (e.g., cutting lubricant, dirt, etc.) and all displaced material (e.g., chips, burrs, etc.) either attached or loose shall be removed from all surfaces including holes, slots, and recesses.
12. Individually mark each manufactured item on the non‐critical, block end surface per drawing Note #4. Serial number format shall include the last five (5) digits of the awarding contract, followed by serial number ‐ “S/N XXXXX‐001 through 100”
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