123-16-001 - CHT TANK OPEN INSPECT.pdf

SHIP: YRBM(L) 57 (YRBM 57) ITEM NO: 123-16-001

COAR: 28 PCN: YRBM-L034

YRBM-L035

YRBM-L036

SWT FILE NO: 123-004 CMP: NONE

REVISED: 21 OCT 2024 PLANNER: LOFTIS, OLEN

SSP: YOKO-703-26 1 of 2 ITEM NO: 123-16-001

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. SCOPE:

1.1 Title: Sewage Collection, Holding Tank; open and inspect

1.2 Location of Work:

1.2.1 CHT TANK 2-30-1-Q

1.2.2 BULK LAUNDRY 01-57-3-Q

1.2.3 ENLISTED LAUNDRY 01-49-1-Q

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 NAVSEA Standard Items, (FY26 CH-1)

2.2 8921122_C, SEWAGE SYS DIAGRAM

2.3 S9086-T8-STM-010, Pollution Control

2.4 601-8921064, GENERAL ARRANGEMENT DRAWINGS

3. REQUIREMENTS:

3.1 Open, ventilate, empty, clean, render dry, and maintain CHT tank located in 1.2 including piping system where the scope of repairs will result in a need for certification during the performance of this Job Order in accordance with Reference 2.3

3.1.1 Each space must be certified "Safe for Man" and maintained throughout the availability via CERTIFIED Marine Chemist.

3.1.1.1 Each harmful vapor, fume, and mist must be ventilated to the exterior of the vessel.

3.2 Accomplish a visual inspection of CHT tank listed in 1.2 for existing structural integrity, coating deficiencies, deterioration, pitting, cracks, and areas of damage or distortion, including sounding tubes, tank vents, overflows, piping, TLI's, Floats, sensors, structural members and manhole cover.

3.2.1 Submit one legible copy, in hard copy or approved

transferrable media, of a report listing results of the requirements of 3.2 with sketches listing the type, amount and location of structural damage and deterioration to the SUPERVISOR.

3.3 Accomplish the requirements of 009-025 of 2.1 for air test of each tank listed in 1.2. Test pressure must be 2 PSIG. Maintain test pressure for 15 minutes for temperature stabilization prior to start of test. Hold test pressure for 5 minutes. Allowable drop in pressure: None.

3.4 Accomplish the requirements to replace existing Plumbing Drain PVC

SHIP: YRBM(L) 57 (YRBM 57)

SSP: YOKO-703-26 2 of 2 ITEM NO: 123-16-001

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.

drain pipes on Eyewash Stations at locations listed 1.2.2 and 1.2.3

3.4.1 Templet existing drain lines and fabricate new set to include a "p-trap".

3.5 Accomplish the requirements of 009-032 of 2.1 for each new and disturbed surface.

4. NOTES:

4.1 None.

5. GOVERNMENT FURNISHED MATERIAL(GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

5.3 KITTED MATERIAL:

1. None.