0518__(REV_A)FWD_GLLEY_STEM_TBLE_DRIN_PIPE_REPIR_(18-008).pdf

USNS Mercy

( TAH 19 )

AUXILIARY MACHINERY CONTRACT NO. N32205-19-R-6502

ITEM NO. 0518 (REV A) CATEGORY "A" 2019-03-14

FWD GALLEY STEAM TABLE DRAIN PIPE

REPAIR (18-008)

Schumacher, Joe

0518 - 1

1. ABSTRACT

1.1. This item describes the requirements for the contractor to re-plumb steam table drains from the table tops to the deck drains in the MTF Galley.

2. REFERENCES/ENCLOSURES: None

3. ITEM LOCATION/DESCRIPTION

3.1. Location/Quantity

3.1.1. Location: MTF Galley (02-33-0)

3.1.2. Quantity: See Para 7.3

3.2. Quantities where stated are considered estimates. The contractor shall provide the exact quantities and additional material such as miscellaneous fittings, elbows, caps, valves, pipe hangers, weld material, cable hangers, cable tags, bus-work, etc., which are not included in the Bill of Materials, in order to install a fully functional system which meets the requirements of this specification.

4. GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES: None

5. NOTES

5.1. The contractor and all subcontractors, regardless of tier must consult the General Technical Requirements (GTR) to determine applicability to this work item. In performance of this work item, the contractor and all subcontractors regardless of tier must comply with the requirements of all applicable GTRs including but not limited to GTRs 1-7, 22, 23, 28, and 29.

5.2. The contractor and all subcontractors, regardless of tier are advised to review other work items under this contract to determine their effect on the work required under this work item. Many of the definitions relating to performance of this work item are found in Work Item 0001.

6. QUALITY ASSURANCE REQUIREMENTS

6.1. In addition to the contractor’s duties under 29CFR1910.147 or similar local safety regulation, the contractor shall comply with all requirements of equipment lock-out/tag-out (LOTO) program as established by MSC SMS procedure 2.1-004-ALL Lock-out/Tag-out. The Chief Engineer shall administer the program. Prior to the start of work, the contractor shall contact the MSCREP and / or the Chief Engineer to coordinate the implementation of the LOTO program for the entire performance period of this item. The prime contractor shall be responsible for compliance by both prime and subcontractor personnel.

7. STATEMENT OF WORK

7.1. Arrangements/Outfitting:

7.1.1. Provide all material and special equipment. Make all removals and restorations.

Remove and replace all interferences, rig and unrig, stage and unstage, make all disassemblies and subsequent reassemblies, provide and operate equipment, and

AUXILIARY MACHINERY CONTRACT NO. N32205-19-R-6502

ITEM NO. 0518 (REV A) CATEGORY "A" 2019-03-14

FWD GALLEY STEAM TABLE DRAIN PIPE

0518 - 2 supply all services and assistance to accomplish the following work. (Material, unless specifically stated as Government Furnished Material (GFM) shall be supplied by the contractor).

7.2. Mechanical/Fluids:

7.2.1. The following requirements apply to all of the piping repairs listed in this work item.

7.2.1.1. New pipe sections shall be targeted and templated from existing (as found required); and shaped, hung, fitted, and/or flanged as per existing arrangement.

7.2.1.2. Contractor shall install gasketed hard blanks and supporting hardware on all piping systems open for repairs listed in this work item.

7.2.1.3. Contractor shall replace existing hardware with new fasteners similar to existing as required for all new or repaired piping systems.

7.2.1.4. Contractor shall use Garlock Blue gasket material in all new and disturbed mechanical joints.

7.2.1.5. Contractor to provide new lagging for all renewed or modified piping sections requiring lagging.

7.2.1.6. Contractor to reuse all existing pipe hangers if available. Hangers are to be assembled using new lining material and new corrosion resistant hardware. Maximum spacing for piping hangers and supports for new piping shall be in approved by the MSCREP prior to installation.

7.2.1.7. All piping penetrations through class A bulkheads and decks shall be in accordance with the applicable ABS requirements for such penetrations.

7.2.2. Preparation of system for return to service: The contractor shall prepare the system for return to service once all work items are complete by performing the following:

7.2.2.1. Cleaning and flushing procedures shall be approved by the MSCREP prior to flushing.

7.2.2.2. All piping, piping appurtenances and applicable equipment affected by these modifications shall be cleaned after fabrication and prior to installation to remove loose particles, grease, dirt and oil. After complete shipboard installation, the affected portions of the system, including dead ended portions of system piping, shall be cleaned and flushed of all foreign matter.

7.3. Carry out the following piping repairs:

7.3.1. For each of the 12 steam tables in the MTF Galley (02-33-0), re-plumb the drain connections from each of two drains to the deck drains below. (Re-plumb the drains from the cutout valve on the steam well to the existing deck drain below the steam table. Ensure that there is a minimum of 1/8” per foot slope on the new drain pipes to ensure proper drainage). The steam tables have

AUXILIARY MACHINERY CONTRACT NO. N32205-19-R-6502

ITEM NO. 0518 (REV A) CATEGORY "A" 2019-03-14

FWD GALLEY STEAM TABLE DRAIN PIPE

0518 - 3 been replaced in the recent past and the location of the drains on the tables relative to the deck drains has changed.

7.3.1.1. Provide a condition report with a proposal outlining the route and arrangement of the drains for approval by the MSCREP prior to commencing work. A sketch of the proposed arrangement is sufficient.

7.4. Preparation of Drawings/Documentation:

7.4.1. Provide as-built drawings of the completed installation with a detailed Bill of Materials, use GTR 5 as guidance. Contractor to obtain MSC drawing numbers from the local MSCREP. Drawings are to be reviewed by local MSCREP prior to acceptance. Provide three hard copies, one electronic PDF, and one electronic (DWG AutoCAD) copy to the MSCREP.

7.5. Inspection/Test:

7.5.1. System piping shall be hydrostatically tested in accordance with the regulatory bodies. Test shall be completed in the presence of MSCREP and ABS/USCG inspectors. Care shall be taken to isolate system components that may be damaged by the hydrostatic test pressure. Allowable leakage is zero.

7.5.2. Piping penetrations through classed bulkheads and decks shall be tested in a manner to satisfy the ABS/USCG inspectors and the MSCREP that the classification of the boundary has not been compromised.

7.5.3. The system shall be functionally tested in the presence of the MSCREP and ABS/USCG inspectors.

7.6. Painting:

7.6.1. Mechanically clean, prime and paint all new and disturbed surfaces to match surrounding areas using the manufacturer’s product data sheets for guidance.

7.6.2. Renew and correct piping and valve marking labels affected by the system re-piping in the vicinity of the work.

7.7. Marking:

7.7.1. Install name plates, notices, cable tags, and markings for all new and modified systems.

7.8. Manufacturer’s Representative: None

8. GENERAL REQUIREMENTS

8.1. None additional.