767_SOW_551-11-002.doc

WORK STATEMENT

SHIP

USS Hampton (SSN-767)

COAR:

001-15SET COAR

001-15 26-001

ITEM/JSN: 551-11-002 / EA01-7259/6796

SURVEYOR:

Tom Loepfe

1. SCOPE:

1.1 TITLE: Nitrogen/Oxygen Reducer Valve, ; In-place Clean, Repair, Set and Test

1.2 LOCATION OF WORK:

1.2.1 AMR

1.3 Identification:

1.3.1 Quantity (One) Each; N-9, Nitrogen System Reducing Manifold Relief Valve, Level-1, O2 Clean, APL # 887355386, Manufacture: VACCO 1.3.2 Quantity (One) Each; O-7, Valve Assembly Pressure Reducing, Level-1, O2 Clean, APL # 887095254, Manufacture: Marotta Controls Inc.

2. REFERENCES:

2.1 NAVSEA Standard Items 2.2 M/S 5520-081-006 Rev. D, CHG-4, Inspect; Repair Nitrogen System Reducing Manifold (N-9).

2.3 VACCO Dwg. S1E10034 Rev. P, Pressure Reducing Manifold Assembly (N-9)

2.4 M/S 5520-081-034 Rev. -, CHG-2, Test Nitrogen System Relief Valve Setpoints; Adjust as Necessary.

2.5 S9558-AA-IEM-010, Ships Valve Tech Manual Chapter - 2.6 Marotta Dwg # 281770-0001 Rev. G. Valve Assembly Pressure Reducing 2.7 MIL-STD 1330 Rev. D, Standard Practice for Precision Cleaning and Testing of Shipboard Oxygen, Helium, Helium-Oxygen, Nitrogen and Hydrogen Systems

3. REQUIREMENTS:

3.1 Accomplish the requirements of 009-90 of 2.1 for the Technical Representation (OEM) of each equipment listed in 1.3.1 and 1.3.2.

3.2 Accomplish the requirements of 009-27 of 2.1 for each equipment listed in 1.3.1 and 1.3.2.

3.2.1 Submit one legible copy, in hard copy or approved electronic media, of a report listing the results of 3.2 to the SUPERVISOR.

3.3 Set-up an enclosure capable of maintaining an Oxygen (O2) clean environment throughout the duration of repairs to each equipment listed in 1.3.1 and 1.3.2 in accordance with 2.7.

3.3.1 Submit one legible copy, in hard copy or approved electronic media, of a report listing the results of 3.3 to the SUPERVISOR.

3.4 Perform in-place repair of each equipment listed in 1.3.1 using 2.2 and 2.3 for guidance.

3.4.1 Accomplish Relief valve adjustments of each equipment listed in 1.3.1 in accordance with 2.4. Attach a metal tag annotating Company Name, Date and Set pressure.

3.4.2 Submit one legible copy, in hard copy or approved electronic media, of a report listing the results of 3.4.1 to the SUPERVISOR.

3.5 Perform precision cleaning of component internals for each equipment listed in 1.3.2 using 2.5, 2.6 and 2.7 for guidance.

(V) (G) IN-SYSTEM OPERATIONAL TEST

3.6 Perform an Operational Test of each equipment listed in 1.3.1 using 2.2, 2.3 and 2.4 for guidance.

3.6.1 Submit one legible copy, in hard copy or approved electronic media, of a report listing the results of 3.6 to the SUPERVISOR.

3.7 Perform an Operational Test of each equipment listed in 1.3.2 using 2.5 and 2.6 for guidance.

3.7.1 Submit one legible copy, in hard copy or approved electronic media, of a report listing the results of 3.7 to the SUPERVISOR.

4. NOTES:

4.1 S/F POC is the 3MC.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 None

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