YFNX-20 Errata 4.pdf

THIS PERMANENT CHANGE UPDATES THE SPECIFICATION BID PACKAGE.

SHIP: YFNX-20 (RMC 22747)

SERM-024-24

ERRATA NUMBER:

SPECIFICATION NUMBER:

THE FOLLOWING ITEMS ARE REPLACED:

593-11-001

DATED: 9/25/2023 1:19:11PMPage 1 of 1

SHIP: YFNX-20 (RMC 22747) ITEM NO: 593-11-001 (E4)

COAR: 28 PCN: SERM-L017

SERM-L003

BWST FILE NO: 000-001 CMP: NONE

REVISED: 05 APR 2019 PLANNER: KRIMMER, DAVID

BRIDGER, WRAY

SSP: SERM-024-24 1 of 4 ITEM NO: 593-11-001

ERRATA NO. 4

EXPORT CONTROLLED DATA: This document contains technical information whose export is governed by U.S.

International Traffic in Arms Regulation (ITAR). This information must not be transferred to a foreign person/entity without proper authorization of the U.S. Government. Violations may result in administrative, civil, or criminal penalties.

1. SCOPE:

1.1 Title: Collection, Holding, and Transfer (CHT) System; repair

1.2 Location of Work:

1.2.1 Throughout the Ship

1.3 Identification:

1.3.1 Quantity (One EA), Pump, Centrifugal, Sewage, 3 Inch Inlet, 3 Inch Outlet, Barnes Model NSS3232-3, Piece No. 2 of 2.3

2. REFERENCES:

2.1 Standard Items

2.2 S9086-T8-STM-010/CH-593 Rev 7, Pollution Control

2.3 516-5911034 Rev B, YFNX 20 CHT & Potable Water System Installation Details

2.4 S9086-RK-STM-010/CH-505 Rev 6, Piping Systems

2.5 MIL-STD-777F, Change 2, Schedule of Piping, Valves, Fittings, and Associated Piping Components for Naval Surface Ships

2.6 S9AA0-AB-GOS-010 Rev 10, General Specifications for Overhaul of Surface Ships (GSO)

3. REQUIREMENTS:

3.1 Accomplish each sanitary and hygienic procedure in accordance with Paragraph 593-8.3.7.4.3 of 2.2.

3.2 Accomplish a flush static head pressure test of the CHT sewage piping system, to include each sink,black water shower, and toilet,grey water drain piping, using clean, fresh water for a to minimum ensure of piping 30 system minutes.is leak free. Allowable external leakage: None.

(E4)

3.2.1 Accomplish an operational test of each black water and grey water drain piping for proper operation and unobstructed flow.

(E4)

3.2.2 Submit one legible copy, in hard copy or approved

transferrable media, of a report listing results of the requirements of 3.2 to the SUPERVISOR.

(E4)

3.3 Accomplish a preliminary operational test of each component listed in General Note 30.a and 30.b of 2.3, and Valve List of 2.3. Allowable binding and external leakage: None.

3.3.1 Cycle each valve from full closed to full open to full closed 4 times. Allowable sticking, binding or leakage: None.

SSP: SERM-024-24 2 of 4 ITEM NO: 593-11-001

EXPORT CONTROLLED DATA: This document contains technical information whose export is governed by U.S.

International Traffic in Arms Regulation (ITAR). This information must not be transferred to a foreign person/entity without proper authorization of the U.S. Government. Violations may result in administrative, civil, or criminal penalties.

3.3.2 Submit one legible copy, in hard copy or approved

transferrable media, of a report listing results of the requirements of 3.3 to the SUPERVISOR.

3.4 Accomplish the requirements of Paragraph 593-8.3.4.1 of 2.2 for sewage holding tank inpsection.

3.4.1 Disassemble and remove the in-tank overflow strainer (Piece No. F65, Sheet 30 of 2.3), using 2.3 for guidance.

3.4.1.1 Clean each exposed part free of debris and foreign

matter, leaving no residue or injurious effect.

3.4.2 Accomplish a visual inspection of the CHT tank for existing structural integrity, deterioration, pitting, cracking, and area of damage or distortion, including each sounding tube, tank vent, overflow, piping, structural member and manhole cover.

3.4.3 Accomplish a borescope inspection of each internal surface of the CHT sewage piping system for buildup of calcium upon completion of flushing. Ensure level of cleanliness that results in a surface that is reasonably free of contamination and any remaining residue on the surface does not interfere with system operation or damage system components.

3.4.3.1 Submit one legible copy, in hard copy or approved

transferrable media, of a report listing results and each photo, date and time stamped of the requirements of 3.4 to the

SUPERVISOR.

3.4.4 Assemble and install the strainer removed in 3.4.1, using 2.3 for guidance.

3.5 Accomplish the requirements of 009-32 of 2.1, including Table 4, Line 15 or 16, for the interior surface of the CHT tank, to include the manhole cover. Accomplish surface preparation utilizing SSPC SP-11 in lieu of SSPC SP-10.

3.6 Accomplish the following repairs to the CHT system, in accordance with 2.2 and 2.3, as designated by the SUPERVISOR.

3.6.1 Remove existing and install new the equipment listed in 1.3, in accordance with 2.3.

3.6.2 Disassemble and remove the in-flow strainer (Piece No. F52, Sheet 32 of 2.3), using 2.3 for guidance.

3.6.2.1 Clean each exposed part free of debris and foreign

matter, leaving no residue or injurious effect.

3.6.2.2 Assemble and install the strainer removed in 3.6.2, using 2.3 for guidance.

3.6.3 Template exact size, configuration, and location from each existing onboard condition.

3.6.4 Vee-out and weld a total of one linear foot of pitted tank weld for the CHT tank.

3.6.5 Remove existing and install new a total of 20 linear feet of 4

SSP: SERM-024-24 3 of 4 ITEM NO: 593-11-001

EXPORT CONTROLLED DATA: This document contains technical information whose export is governed by U.S.

International Traffic in Arms Regulation (ITAR). This information must not be transferred to a foreign person/entity without proper authorization of the U.S. Government. Violations may result in administrative, civil, or criminal penalties.

inch, 20 linear feet of 2 Inch piping and each associated fitting.

3.6.6 Accomplish the requirements of 009-12 of 2.1, including Table One, Columns A and B, Lines One through 10.

3.6.7 Accomplish the requirements of 009-12 of 2.1, including Table 3, Column D, Lines One through 7.

3.6.8 Align the piping to each component. Piping must be supported independently and must not impose a strain. Accomplishment of alignment by adjustment of the first adjacent hanger is to be considered within the scope of the work.

3.7 Provide 5 mandays of labor and 1,000 dollars of material to accomplish work not previously identified in the Work Item, as directed by the SUPERVISOR. If the total costs are less than the authorized manday and dollar amounts, remaining funds will be subject to recoupment.

The contractor is not authorized to exceed these limits.

3.8 Restore each mating surface exposed by disassembly of piping system.

Repair by removing each high spot, burr, abrasion, and foreign matter, where removal can be accomplished by a hand tool.

3.9 Install new each gasket for each disturbed joint conforming to 2.5, including Category and Group R-3 and R-4.

3.10 Accomplish the requirements of 009-71 of 2.1 for new and disturbed piping.

3.10.1 Ensure operating test pressure is 10 PSIG, using clean, freshwater, in accordance with Section 593h 2.6 for sewage pump discharge piping, .

3.11 Accomplish the requirements of 009-25 of 2.1 for a completion air test of the CHT tank. Test pressure must be 2 PSIG. Hold test pressure for 10 minutes. Allowable drop in pressure: None.

3.11.1 Accomplish unobstructed airflow test of air escape and overflow piping.

(V)(G) "SYSTEM OPERATIONAL TEST"

3.12 Accomplish an operational test of each component listed in General Note 30.a and 30.b of 2.3, in accordance with 2.3. Verify proper operation.

3.13 Accomplish the requirements of 009-32 of 2.1 for each new and disturbed surface.

4. NOTES:

4.1 Engineering Service Request SERM-12-323-23266 authorizes change of surface preparation SSPC SP-11 in lieu of SSPC SP-10.

5. GOVERNMENT FURNISHED MATERIAL(GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

SSP: SERM-024-24 4 of 4 ITEM NO: 593-11-001

EXPORT CONTROLLED DATA: This document contains technical information whose export is governed by U.S.

International Traffic in Arms Regulation (ITAR). This information must not be transferred to a foreign person/entity without proper authorization of the U.S. Government. Violations may result in administrative, civil, or criminal penalties.

1. None.

5.3 KITTED MATERIAL:

1. None.