Amended Espec Item No 176-01-001.pdf

GAS FREE CERTIFICATION REQUIRED

SAFE FOR HOT WORK CERTIFICATE

SAFE FOR PERSONNEL TO ENTER

SHIP: USS NEW MEXICO (SSN 779) ITEM NO: 176-01-001

COAR: 26 PCN: SERV-L070

CMP: NONE

PLANNER: MATTOX, JAMES

WILLIAMS, JEFFERY

SSP: NNSYN-003-22 1 of 4 ITEM NO: 176-01-001

1. SCOPE:

1.1 Title: Collection, Holding, and Transfer (CHT) Tank #One and #2;

clean

1.2 Location of Work:

1.2.1 Sanitary Tank One (2,201 Gallons, Grey Water), Frame 61-64, Starboard

1.2.2 Sanitary Tank 2 (2,216 Gallons, Grey Water), Frame 61-64, Port

1.3 Identification:

1.3.1 Not Applicable

1.4 Security Classification of Equipment, Components, Spaces and Documents: The Equipment, Space or Document is classified and subject to the applicable provisions of the National Industrial Security Program Operating Manual, DOD 5220.22M (0584-LP-179-6400). The ship is responsible for providing escorts for personnel during Sanitary tank cleaning.

1.4.1 Not Applicable

2. REFERENCES:

2.1 Standard Items, (FY23)

2.2 Occupational Safety and Health Administration (OSHA) 29 CFR, Part

2.3 National Fire Protection Association Standard 312

2.4 (CNV d/004), National Fire Protection Association Standard 306

2.5 UIPI 0593-901C, Change-1, NNSY Release-2, Submarine Sewage System Sanitary Tank, Cleaning Of

2.6 S9086-T8-STM-010/Chapter 593 Rev 7, NSTM, Pollution Control

2.7 NAVSEAINST 5510.2D, NAVSEA Command Access and Movement Control Instruction, Dated 8 Nov 2018; Includes NAVSEA M-5510.2, NAVSEA Access and Movement Control Manual, Dated November 2018

2.8 528-7066610 Rev XA, NSSN Class Submarine, Piping In Tanks, Sanitary One, 2 and 3, AMR

2.9 126-7066271 Rev XB, NSSN Class Submarine, Auxiliary Machinery Room Tank Complex

2.10 Systems and Specifications, SSPC Painting Manual, Volume 2

2.11 222-0129, Code 222 Sketch 222-0166, VIRGINIA Class Cleaning Manhole

SHIP: USS NEW MEXICO (SSN 779)

SSP: NNSYN-003-22 2 of 4 ITEM NO: 176-01-001

Covers for San #One, #2 & #3

3. REQUIREMENTS:

3.1 Accomplish the requirements of 009-09 of 2.1 for this Work Item.

Process Control Procedures (PCP) are to be delivered to the SUPERVISOR for review and routing to Norfolk Naval Shipyard (NNSY) Code 106 seven

(7) days prior to start of Work Item.

3.1.1 Notification from the SUPERVISOR of PCP distribution/approval is required prior to commencement of this Work Item.

3.2 Ensure the pre-requisite list (noted on 4.1.1) requirements and signatures are complete prior to start of work detailed on this Work Item via the SUPERVISOR.

3.3 Prior to entering any confined space, Contractor competent person must certify the space "SAFE FOR WORKERS" in accordance with 2.1 and 2.2.

3.4 Accomplish all material handling and disposal to support pumping and cleaning of each tank listed in 1.2 in accordance with the requirements of Work Item 042-11-001.

3.5 Empty, clean, gas free and Marine Chemist certify "SAFE FOR WORKERS" and "SAFE FOR HOT WORK" each tank listed in 1.2 in accordance with 2.1 through 2.6. Utilize 2.8 and 2.9 for guidance in tank and piping identifications.

3.5.1 Each tank is at low suction.

3.5.2 Ensure no fumes or offensive odors are allowed to escape into berthing compartments or messing areas.

3.5.3 Provide Safety Data Sheet (SDS) for chemical cleaning products to the Ship's Topside Watch and NNSY Shift Test Engineer (STE) via the SUPERVISOR. A copy of the SDS must remain on the job site at all times.

3.5.4 Provide and install all required temporary and cleaning covers and equipment to support cleaning of tank listed in 1.2 using 2.11 for guidance in cleaning cover fabrication when required.

3.5.4.1 When directed by NNSY Code 246 via the SUPERVISOR, accomplish an air test for required temporary side mounted covers. An air test must be capable of supporting a satisfactory tightness test of 12 PSIG. If questions arise, Code 920 will evaluate adequacy of covers.

3.5.4.2 Provide consumable material; wash down and pumping

materials, aeration equipment and cleaning materials to support work.

(V)(G) "AIR TEST"

3.5.5 Prior to commencement of initial fill and tank cleaning for tanks utilizing temporary side mounted covers which require an air test, a satisfactory air test of installed temporary cover must be accomplished by Ship's Force with the assistance of NNSY Code 246 and Contractor.

3.5.5.1 Verification of satisfactory air test must be obtained from the SUPERVISOR.

3.6 Contractor is responsible for the health and training for all their

SSP: NNSYN-003-22 3 of 4 ITEM NO: 176-01-001 employees. Contractor must ensure their employees are adequately trained on the use of Contractor's provided breathing equipment, pressure washing equipment and pumping equipment. Contractor must ensure employees have received all necessary medical precautions to support potential contact with sewage or sewage contaminated equipment.

3.7 Provide services to spray wrap all Contractor cognizant fluid carrying system temporary service equipment in accordance with 2.5, 2.6 and the following:

3.7.1 Install spray protection at each mechanical joint in the fluid carrying removal system. Spray protection must consist of a minimum of 2 complete wraps of see through poly (minimum 5 mils thickness) around each joint and several wraps of tape. NNSY Temporary Service Manager or designated representative must inspect the spray protection prior to pressurizing the system.

3.7.1.1 Submit one legible copy, in hard copy or approved

transferrable media, of a report listing results of the requirements of 3.7 to the SUPERVISOR.

(I)(G) "TANK CLEANLINESS VERIFICATION"

3.8 Clean and disinfect each sewage tank listed in 1.2 in accordance with 2.5, 2.6 and the following additional requirements: Acceptance for tank cleanliness will be in accordance with the requirements of Surface Preparation Specification SSPC-SP-1 of 2.10. A visual water break test (ASTM F22/ASTM F21) on the surface may be used to validate SSPC-SP-1 of

2.10. All loose and flaking paint must be removed from the tank to the maximum extent possible taking care to minimize damage to existing intact tank preservation system during cleaning.

3.8.1 Contractor must be prepared to remove heavy, hard salt

deposits. Past experience has shown use of mechanical cleaning such as needle guns (pneumatic) may be required to remove these salt deposits.

3.8.2 Personnel must be posted at man-hole opening 24 hours per day during the bacteria culture cleaning, agitation, pumping and blowdown processes.

3.8.3 Accomplish chloride swipes within each tank listed in 1.2 in accordance with Paragraph 3.10.6.3 of 009-32 of 2.1. Chloride levels of surfaces within tanks must be acceptable to support preservation operations by NNSY.

3.8.4 NNSY Code 133 will perform a joint inspection for tank

cleanliness acceptance with the SUPERVISOR prior to acceptance and turnover of each tank to NNSY. Code 133 will also accomplish chloride swipes for surfaces of tanks.

3.8.5 Submit one legible copy, in hard copy or approved

transferrable media, of a report listing results of the requirements of 3.8 to the SUPERVISOR.

3.8.6 Contain and dispose of effluents associated with cleaning of CHT tanks.

3.8.6.1 Dispose of effluents containerized in trucks and/or

barges at a local agency or facility which is approved for treatment and disposal of CHT tank cleaning waste.

SSP: NNSYN-003-22 4 of 4 ITEM NO: 176-01-001

3.8.7 For bidding purposes, Contractor is expected to wash and rinse tanks an additional two times after final cleaning to achieve satisfactory chloride readings and cleanliness requirements.

4. NOTES:

4.1 SUPERVISOR, NNSY Tank Area Manager (TAM) and the Non-Nuclear CTE will develop a pre-requisite list to support opening and cleaning of each Sanitary Tank.

4.2 NNSY will provide temporary ventilation to tank openings and deodorizers to support cleaning.

4.3 NNSY will provide Tool air for Contractor's discharge pumps and aeration equipment.

4.4 NNSY will provide Fresh water and/or salt water services from pier connection for Contractor's pressure washer/flushing.

4.5 NNSY will provide Services to spray wrap all NNSY cognizant fluid carrying system mechanical joints as specified.

4.6 NNSY will provide Services to track-walk all NNSY cognizant and Contractor cognizant temporary service equipment when requested by the SUPERVISOR prior to use.

4.7 NNSY Project Temporary Service Manager or designated representative will provide training to Contractor's employees in the use of all temporary ventilation, tool air, fresh and salt water supply systems and required temporary service tags.

4.8 NNSY will provide Services to remove ships permanent tank manhole covers when requested by the Contractor via the SUPERVISOR. NNSY will provide Navy Competent Gas Free Engineer to support opening of Sanitary tanks for NNSY work.

4.9 NNSY will provide Interference removal as required to access fill and discharge points.

4.10 NNSY will provide Inspection services as necessary to verify cleanliness of tanks.

4.11 NNSY will provide Services to inspect and witness test of side-mounted temporary covers.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

5.3 KITTED MATERIAL:

1. None.