PERFORMANCE STATEMENT REV A 3-24-001 SEA CHESTS GFM 2024 MTA _.docx
DOCX document 35 KB Posted
- Attached to
- USNS YUMA - SEA CHESTS
- Solicitation number
- N3220526Q0089
About this file
This is a Performance Statement (Revision A) for the manufacture and delivery of sea chests for the USNS NEWPORT (TEPF 12), a U.S. Navy vessel, under Contract No. 3-24-001, with a required shipment date of no later than December 1, 2023.
The contractor must manufacture six sea chest kits constructed entirely from domestic 5086-H116 aluminum alloy plate and seamless 5086 pipe, with all welds performed by ABS-certified welders and inspected by an ABS representative. The configuration includes two 10-inch and four 12-inch sea chests. Each kit shall be delivered as components without nozzles or flanges installed (except for top and bottom flanges and covers, which are undrilled). Horizontal nozzles are to be shipped separately, manufactured from 5086 pipe with machine-finished ANSI flanges, and fabricated approximately 300 millimeters longer than specified drawings to accommodate field connection by the prime contractor. Each sea chest kit must include one stainless steel (316) basket and material certifications from the supplier. The contractor shall coordinate with the Navy point of contact (Melissa Gooch, PPE, 912-996-0682) regarding pickup by MSC shipping and provide material status updates. Bayou Metals Supply is listed as a recommended source. All work must comply with referenced drawings and ABS standards for domestic materials.
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USNS NEWPORT
( TEPF 12 )
| 2027 SEA CHESTS ROH MATERIAL |
| CONTRACT NO. |
ITEM NO. 3-24-001
29 Mar 2026
| REPLACEMENT SEA Chests REV A |
| Gooch, Melissa |
ABSTRACT
Manufacture 6 Each Sea chests; each sea chest will be manufactured from domestic 5086 ABS certified materials (Domestic…or DFARS if it is not made in the USA). Fully welded out with ABS certified Welders and witnessed by ABS inspector. All 5086 materials are in stock and readily available.
Main bottom 10” or 12” Flanges respective to the Sea chest will be installed on the sea chest. The horizontal nozzles will be shipped loose, manufactured out of 5086 pipe, and ANSI flanges matching the existing Sea chest configurations. See the separate attached Nozzle drawings. Use 5086 Pipe, not bump rolled and welded pipe in the nozzles (as identified in the previous sets)
REFERENCES;
REF 8443038_D
2.2 3420 10in FFSO
2.3 3420 12in FFSO
2.4 Sea Chests A-F
ITEM LOCATION/DESCRIPTION
Location/Quantity -6- Item Description/Manufacturer’s Data:
GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICE: None.
NOTES; None additional QUALITY ASSURANCE REQUIREMENTS: Provide material ABS certs with shipment and also provide electronic copy to Port Engineer.
STATEMENT OF WORK REQUIRED
Manufacturer six (6) sea chest kits out of a single alloy 5086-H116 plate and seamless 5086 Pipe. All welds with ABS certified welders, ABS procedures and approved by local ABS representative. (2) 10 Inch and 4 (12) inch Manufacture the six sea chest’s components without installing nozzles or flanges except for top / bottom flange and cover – The top flange and cover for each sea chest shall be undrilled-installed as per DWG. Material certs shall be included in each sea chest kit – Manufacture IAW REF 2.1, 2.2 and 2.3
7.2.1 Main bottom 10” or 12” Flanges respective to the Sea chest will be installed on the sea chest. The horizontal nozzles will be shipped loose, manufactured out of 5086 pipe, and ANSI flanges matching the existing Sea chest configurations. See the separate attached Nozzle drawings REF 2.2 and 2.3
7.2.2 Each nozzle and flange for each chest shall be constructed with a machine finished flange (undrilled) and approx 300MM longer than the dwg states to allow for nozzle connection to sea chest by the prime KTR during or just prior to installation.
7.2.3 Provide each sea chest kit with one (1) ea sea chest basket constructed of 316 stainless steel as per REF 2.1.
Package the material listed in 7.1 for international shipping. Notify Melissa Gooch, PPE 912-996-0682 or melissa.a.gooch2.civ@us.navy.mil as soon as the material is ready to be picked up by the MSC shipping company.
Recommended sources:
Bayou Metals Supply Jim Sebastian, Business MGR Slidell, LA 70460 | 60042 Cabiran Rd | 888-201-6417 | 985-707-6821 (direct) Preparation of Documents
7.4.1 Provide material updates to MSC, track closely as material is needed ready for shipment NLT 01 Dec 2023
7.5 Reports: None.
7.6 Painting: None.
7.7 Preparation of Drawings: None.
3-24-001 - 4
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