WI YR30-L243 - CHT TANK OPEN and INSPECT.pdf
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- Solicitation number
- N62664926RA042
About this file
This is a Job Order for the YRB 30 naval vessel requiring maintenance and inspection of a sewage collection holding tank (CHT TANK 2-20-2-E). The scope of work includes opening, ventilating, emptying, cleaning, and rendering dry the tank and associated piping system. All work must be performed in accordance with pollution control standards and requires certification by a CERTIFIED Marine Chemist to ensure each space is maintained as "Safe for Man" throughout the availability, with all harmful vapors, fumes, and mists ventilated to the vessel's exterior.
The specific technical requirements include: (1) a complete visual inspection of the tank for structural integrity, coating deficiencies, deterioration, pitting, cracks, damage or distortion to all components including sounding tubes, tank vents, overflows, piping, tank level indicators, floats, sensors, structural members, and manhole covers, with results submitted in a written report with sketches detailing the type, amount, and location of all defects; (2) an air pressure test at 2 PSIG with a 15-minute stabilization period followed by a 5-minute hold with zero allowable pressure drop; and (3) surface treatment requirements for all new and disturbed surfaces per NAVSEA Standard Items 009-025 and 009-032. No government-furnished materials, push materials, or kitted materials are provided for this job order. The document contains ITAR-controlled technical information requiring proper authorization for any foreign transfer.
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Text version
SHIP: ITEM NO:
COAR:
YR30-L243
SWT FILE NO: CMP:
REVISED:
YRB 30 (YRB 30)
PLANNER:
NONE
PETTY, A.
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 2-20-2-E
1.3 Identification:
1.3.1 Not Applicable
2. REFERENCES:
2.1 NAVSEA Standard Items, (FY26 CH-1)
2.2 5591708_A, CHT INSTALL DWG
2.3 S9086-T8-STM-010, Pollution Control
2.4 NAVSEA DWG YRB 30-845-8337290, 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.
SHIP: YRB 30 (YRB 30)
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.
3.4 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.
File details come from the government source that posted it. Updated .